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HomeMy WebLinkAboutWQ0012690_Regional Office Historical File Pre 2018 Construction Documents for: NC Division of • Parks & Recreation Water and Sewer Repairs at Mt. Mitchell State Park Submitted to: • Ms.Carolyn McCaskill DEM-Permits and Engineering P.O.Box 29535 Raleigh,NC 27626-0535 • • { Submitted by: Barrett Kays & Associates 224 FAYETTEVILLE STREET MALL • SUITE 100,P.O.BOX 2979 . RALEIGH,NC 27602-2979 • TELEPHONE 919 828-1903 FACSIMILE 919 828-0365 na a (7 Fc, 11 V OCT1 1 1995 I .. September 19,1995 Environmental Sciences Civil Engineering Environmental Engineering DBarrett Kays & Associates Planning Landscape Architecture September 19, 1995 Ms. Carolyn McCaskill DEM -Permits and Engineering P.O. Box 29535 Raleigh,NC 27626 - 0535 RE: Non-Discharge Permit Application Mt. Mitchell State Park Facility ID #4393164016A BKA Project#9409004 w cn Dear Ms. McCaskill: . rrl • C r,J Enclosed are one original and four copies of the non-discharge permit application along with a,6 five sets of the construction package for your review. f? - If you have any questions,please call me at(919) 828-1903. Sincerely, BARRETT KAYS &ASSOCIATES, C1 / Christian Medins, P.E. Project Engineer CM:amd cc: Barrett L. Kays, Ph.D. '224 ,FAYETTEVILLE STREET MALL SUITE 100, P.O. BOX 2979 RALEIGH, NORTH CAROLINA 27602-2979 TELEPHONE 919 828-1903 h:\clients\ncpark\949004\corresp\cm001 a I, FACSIMILE 919 8 2 8-0 3 6 5 TABLE OF CONTENTS Non-Discharge Permit Application and Existing Permit 1 Project Summaries 2 Soil Evaluations for Wastewater Renovations at Mt. Mitchell and Duke Power State Parks 3 Monthly Soil Moisture Balance Calculations 4 Technical Specifications 5 -i- Barrett Kays&Associates,P.A h:\stparks\p9409004\contents.doc. I . State of North Carolina Department of Environment, Health and Natural Resources. Division of Environmental Management Non-Discharge Permit Application Form (THIS FORM MAYBE PHOTOCOPIED FOR USE AS AN ORIGINAL) DRIP IRRIGATION DISPOSAL SYSTEMS I. GENERAL INFORMATION: 1. Applicant's name(please specify the name of the municipality,corporation,individual,etc.): NCDEHNR- Division of Parks and Recreation 2. Print Owners or Signing Official's name and title(the person who is legally responsible for the facility and its compliance): Mr.Alan Jeffreys,Park Engineer 3. Mailing Address: 12700 Bayleaf Church Road City: Raleigh State: NC Zip: 27614 Telephone Number: ( 919 )846-9991 rT 4. Project Name(subdivision, facility, or establishment name-should be consistent with project name on plans, specificas, letters of flow acceptance,Operational Agreements,etc.): IV • ��_ Mt.Mitchell State Park Facility 5. Location of Drip Irrigation Facility(Street Address): Route 5,Box 700cro ft1 C Ci City: Burnsville State: NC Zip: 28714 _ _,. .' 6. Latitude: 35°45'30"N ;Longitude 82°16'20"W of Drip Irrigation Facility 7. Contact person who can answer questions about application: Name: Christian Medins Telephone Number: ( 919 ) 828- 1903 8. Application Date: September 19, 1995 9. Fee Submitted:$ 400 [The permit processing fee should be as specified in 15A NCAC 2H.0205(c)(5).] 10.County(ies)where project is located: Yancey II. PERMIT INFORMATION: * 1. Application No.(will be completed by DEM): 2. Specify whether project is: X new; renewal*; modification *Specify renewals, complete only sections I, II, and applicant signature(on page 7). Submit only pages 1,2, and 9 (original and three copies of each).Engineer's signature not required for renewal without other modifications. 3. If this application is being submitted as a result of a renewal or modification to an existing permit, list the existing permit number and its issue date 4. Specify whether the applicant is X public or private. -- *Permit use dates:May 1 through October 30. FORM: SIDS 06/94 Page 1 of 8 III. INFORMATION ON WASTEWATER: 1. Nature of Wastewater: 100 %Domestic; %Commercial; %Industrial; %Other waste(specify): 2. Please provide a one or two work description specifying the origin of the wastewater, such as school, subdivision,hospital, commercial,industrial,apartments,etc.: State Park residences,camping 3. If wastewater is not domestic in nature, what level of pretreatment has been provided to ensure protection of the receiving wastewater treatment facility: 4. Volume of wastewater generated by this project: 1,800 gallons per day 5. Explanation of how the wastewater volume was determined: Based on size of current system 6. Brief project description: The project consists of the installation of a recirculating sand filter and surface applied drip irrigation system to provide for effluent disposal from the existing septic tank/dosing tank; for use from May 1 to October 30. IV. FACILITY DESIGN CRITERIA FOR SINGLE FAMILY SPRAY IRRIGATION 1. Number of bedrooms:_x 120 GPD per bedroom= gallons(minimum 240 GPIS design flow per home). 2. Dimensions of baffled septic tank: ft.by ft.by ft. 3. Volume of baffled septic tank: gallons. 4. Check the categories that apply for the sand filter: surface; subsurface; single; dual; in series; in parallel; recalculating; pressure dosed. 5. a) Primary sand filter dimensions: ft.by ft= square feet. b) Sand filter surface loading rate: GPI per square foot. 6. a) Secondary sand filter dimensions(if applicable) ft.by ft.=square feet. b) Secondary sand filter surface loading rate(if applicable) GPI per square foot. 7. Type of disinfection: Volume of contact tank: gallons;and detention time: minutes 8. Volume of storage provided: gallons; Storage time provided: days NOTE:A minimum of 5 days must be provided in the pump/storage tank. 9. Volume pump tank: gallons;numbers of pumps in pump tank 10.Capacity of pumps in pump tank: GPM 11.Specify which high water alarms have been provided: audible and visual; auto dial FORM: SIDS 06/94 Page 2 of 8 ' I 12.Specify the following information for the spray nozzles: psi; GPM 13.Specify the loading rate recommendation,as determined by the soils scientist: inches per hour; inches per week; inches per year 14.Specify the square footage of the wetted irrigation area: square feet, and the cover crop: 15.Specify the loading rate that will occur on the spray irrigation field: inches per hour; inches per week; inches per year 16.The project must conform to the following buffers(and all other applicable buffers): a) 400 feet between wetted area and any residence under separate ownership; b) 150 feet between wetted area and property lines,200 feet in coastal areas; c) 100 feet between wetted area and a potable well; d) 100 feet between wetted area and drainage ways or surface waters; e) 50 feet between wetted area and public right-of-ways; f) 100 feet between wastewater treatment units and a potable well; g) 50 feet between wastewater treatment units and property lines. 17.If any of the buffers specified in No. IV 16 above are not being met, please explain how the proposed buffers will provide equal or better protection of the Waters of the state with no increased potential for nuisance conditions: 18.NOTE: If the excavation into bedrock is required for installation of the septic tank or sand filter,the respective pit must be lined with at least a 10 mil synthetic liner.The engineer's signature and seal on this application acknowledges a commitment to meet this requirement. , 19.The spray irrigation field must be fenced with a minimum two strand barbed wire fencing.Briefly describe the fencing: V. FACILITY DESIGN CRITERIA FOR OTHER THAN SINGLE FAMILY SYSTEMS 1. Provide a brief listing of the components of this treatment and disposal system, including dimensions and capacities of tanks, pumping facilities, nozzles; high water alarms, filters, lagoons, package treatment units, disinfection facilities, irrigation system,etc.: 5000 Gal. pump tank with 3200 Gal. emergency storage and recirculating sand filter tied to the existing septic/dosing tank. Percrite model W30C filter assembly with 2-2HP pumps, each pump providing 23 GPM irrigation flow to 2-zone surface drip irrigation field with 0.44 acres of wetted area. 2. Name of closest downslope surface waters: Beech Nursery Creek 3. Classification of closest downslope surface waters: (as established by the Environmental Management Commission and specified on page 6 of 8 of this application). 4. If a power failure at the pump station could impact waters classified as WS,SA,B,or SB,describe which of the measures are being implemented to prevent such impact,as required in 15A NCAC 2H.0200: Sufficient storage capacity exists that no potential for overflow exists. I ' FORM: SIDS 06/94 Page 3 of 8 5. Specify the loading rate recommendations as determined by the soils scientist (The Division will consider higher loading rates in the dry months [June 1 - September 30] depending on the soils scientist recommendations). If only one loading rate will be proposed,that rate must be the most restrictive loading rate. Dry Months(June 1 -September 30) >0.20 GPD/SF Wet Months(October 1 -May 31) 0.20 GPD/SF Recommended Maximum 0.20 GPD/SF 6. For industrial wastewater, an analysis of nutrients, heavy metals totals, and synthetic organics must be provided along with appropriate calculations showing the loading rate, based on the most limiting constituent. The chemical analysis must include, but shall not be limited to: Total Organic Carbon, Biochemical Oxygen Demand, Chemical Oxygen Demand, Chlorides, Phosphorus, Ammonia, Nitrates, Phenol, Total Trihalomethanes, Toxicity Characteristic Leaching Procedure Analysis,Total Halogenated Compounds,Total Coliforms,and Total Dissolved Solids. What is the limiting non-hydraulic constituent for this waste? N/A pounds per acre per year of 7. Specify the square footage of the wetted irrigation area: 19,166 square feet, and the cover crop: existing pine/hardwood forest with leaf litter 8. Specify the hydraulic loading rate that will occur on the drip irrigation field: Dry Months(June 1 -September 30) 0.20 GPD/SF Wet Months(October 1 -May 31) 0.20 GPD/SF Maximum Application 0.20 GPD/SF N/A lbs.per acre per year of: (limiting constituent) 9. Is hydraulics the limiting constituent? X yes; No. 10.Specify the storage volume required by the water balance: None needed;see May 31, 1995 letter of soil scientist 11.Volume of storage provided: 5000 gallons and yields: days NOTE:Minimum thirty days required at the design flow rate. 12.If any of the applicable buffers noted in IV.16 are not being met,please explain how the proposed buffers will provide equal or better protection of the Waters of the State with no increased potential for nuisance conditions: 13.The treatment and spray irrigation facilities must be posted and secured in some fashion to prevent unauthorized entry. Briefly describe the measures being taken: Not required per Ms.Carolyn McCaskill 14.Is the treatment facility capable of treating the wastewater to at least secondary limits prior to storage(BOD5<_30 mg/L; TSS 5 30 mg/L;NH3 5 15 mg/L;Fecal Coliform_<200 colonies/100 ml)? X Yes No. If No, what level of treatment can be achieved? 15.Are treatment facility or spray fields located within 100-year flood plain? Yes X No. If Yes,briefly describe the protective measures being taken to protect against flooding. 16.List the Field Number of any spray fields that are locate in area where the seasonal high water table is less than 3 feet below the surface? None 17.Describe the disinfection facilities that are being provided if domestic wastewater: None required per Ms. Carolyn McCaskill • - FORM:. SIDS 06/94 Page 4 of 8 THIS APPLICATION PACKAGE WILL NOT BE ACCEPTED BY THE DIVISION OF ENVIRONMENTAL MANAGEMENT UNLESS ALL OF THE APPLICABLE ITEMS ARE INCLUDED WITH THE SUBMITTAL a. One original and four copies of the completed and appropriately executed application form. b. The appropriate permit processing fee,in accordance with 15A NCAC 2H.0205(c)(5). c. Five(5)sets of detailed plans and specifications signed and sealed by the North Carolina Professional Engineer.The plans must include a general location map,a topographic map,a site map which indicates where borings or hand auger samples were taken, a map showing the land application site,buffers,structures,and property lines;along with all wells,surface waters(100-year flood elevation),and surface drainage features within 500 feet of the land application site.Each sheet of the plans and the first page of the specifications must by signed and sealed. d. Five(5)copies of an Operational Agreement(original and 4 copies)must be submitted if the wastewater treatment and disposal facilities will be serving single family residences,condominiums,mobile homes,or town houses and if the subject facilities will be owned by the individual residents,a homeowners association,or a developer. e. Five(5)copies of all reports,evaluations,agreements,supporting calculations,etc.must be submitted as a part of the supporting documents which are signed and sealed by the NC Professional Engineer.Although certain portions of this required submittal must be developed by other professionals,inclusion of these materials under the signature and seal of a NC Professional Engineer signifies that he has reviewed this material and has judged it to be consistent with his proposed design. f. Five(5)copies of the existing permit if a renewal or modification. g. For Single Family Systems(a though f above plus g. 1, 2, 3) 1) A letter from the local health department denying the site for any permit that the health department has the authority to issue. 2) A soils scientist report(signed)which describes the soil type,color,texture through the B horizon,and recommended loading rates with supporting calculations. 3) A signed and notarized Operation and Maintenance Agreement. h. For Other Than Single Family (a through f above plus h. 1, 2, 3, 4, 5, 6) 1) A water balance analysis showing annual amount of wastewater that will need to be applied and the amount of land necessary to receive the wastewater at the given loading rate.Storage requirements must be addressed and supporting calculations provided. 2) A soils scientist report(signed)which includes texture,color,and structure of soils down to a depth of seven feet,depth, thickness and type of any restrictive horizons,hydraulic conductivity in the most restrictive horizon,Cation Exchange Capacity(CEC),depth of seasonal high water table,soil pH,and soils map(if applicable). 3) For systems treating industrial waste or any system with a design flow greater than 25,000 GPD a Hydrogeologic Report providing the extent and lithologic character of the unconfined aquifer,transmissivity and specific yield of the unconfined aquifer,thickness and permeability of the first confming bed,groundwater quality and direction of movement,and an evaluation of impacts of the disposal system on water levels,movement and quality. 4) An agronomist report(signed)which states the type of vegetation that is planned for the spray fields,along with management and harvest schedules. 5) Proposal for groundwater monitoring. 6) An analysis of the wastewater,including heavy metals totals and synthetic organics,along with calculations for the most limiting constituents. - FORM: SIDS 06/94 Page 5 of 8 This form must be completed by the appropriate DEM regional office and included as part of the project submittal information. INSTRUCTIONS TO NC PROFESSIONAL ENGINEER: The classification of the downslope surface waters(the surface waters that any overflow from the facility would flow toward) in which this spry irrigation system will be constructed must be determined by the appropriate DEM regional office. Therefore,you are required,prior to submittal of the application package,to submit this form,with items 1 through 7 completed,to the appropriate Division of Environmental Management Regional Water Quality Supervisor(see page 8 of 8). At a minimum,you must include an 8.5"by 11"copy of the portion of a 7.5 minute USGS Topographic Map which shows the location of this spray irrigation system and the downslope surface waters in which they will be located.Identify the closed downslope surface waters on the attached map copy.Once the regional office has completed the classification, reincorporate this completed page and the topographic map into the complete application form and submit the application package. 1. Applicant(specify name of the municipality,corporation,individual,etc.): DEHNR Division of Parks and Recreation 2. Name&complete address of engineering firm: Barrett Kays&Associates,P.A. P.O.Box 2979 224 Fayetteville Street Mall,Suite 100 Raleigh,NC 27602-2979 Telephone number: ( 919 ) 828-1903 3. Project Name: Mt.Mitchell State Park Facility 4. Name of closest downslope surface waters: Beech Nursery Creek 5. County(ies)where the spray irrigation system and surface waters are located: Yancey 6. Map name and date: Mt.Mitchell Quad 1946 7. NC Professional Engineer's Seal,Signature,and Date: ,`ollllfllll!!/��� ,``` C O f,• oragmOF /p s9 s ci 1 •• SEAL. 20869 o '10 ,•l,Illf{,11\ TO: REGIONAL WATER QUALITY SUPERVISOR *Faxed to Asheville Regional office on 9/20/95. Please provide me with the classification of the watershed where these sewers will be constructed,as identified on the attached map segment: Name of surface waters: Classification(as established by the Environmental Management Commission): Proposed classification,if applicable: Signature of regional office personnel: Date: (All attachments must be signed) FORM: SIDS 06/94 Page 6 of 8 Name and Complete Address of Engineering Firm: Barrett Kays&Associates,P.A. P.O.Box 2979,224 Fayetteville Street Mall,Suite 100 City: Raleigh State: NC Zip: 27602-2979 Telephone Number:( 919 ) 828-1903 Professional Engineer's Certification: I, Christian Medins ,attest that this application for Mt.Mitchell State Park Facility has been reviewed by me and is accurate and complete to the best of my knowledge.I further attest that to the best of my knowledge the proposed design has been prepared in accordance with the applicable regulations.Although certain portions of this submittal package may have been developed by other professionals,inclusion of these materials under my signature and seal signifies that I have reviewed this material and have judged it to be consistent with the proposed design. North Carolina Professional Engineer's Seal,Signature,and Date: ,t`%19llllllleeje`' �.�`�g'(H CA?0 00•"0,0 lid �&Es%•�a 2 9 'wall:::'. ").�ERkt Applicant's Certification: I, Alan Jeffreys ,attest that this application for Mt.Mitchell State Park Facility has been reviewed by m u ' :ccurate and complete to the best of my knowledge.I understand that if all required parts of this ! application are not •el 'leted and i at if all required supporting information and attachments are not included,this application - package will re s ed t 1 me as' complete. ' Signature „!� 4/Li'1/ [/ f' Date #,Ar doOP Applicant's Certification: I, ,attest that this application for has been reviewed by me and is accurate and complete to the best of my knowledge.I understand that if all required parts of this application are not completed and that if all required supporting information and attachments are not included,this application package will be returned to me as incomplete. Signature Date FORM: SIDS 06/94 Page 7 of 8 • DIVISION OF ENVIRONMENTAL MANAGEMENT REGIONAL OFFICES (11/93) Asheville Regional WQ Supervisor Washington Regional WQ Supervisor Raleigh Regional WQ Supervisor 59 Woodfm Place Post Office Box 1507 Post Office Box 27687 Asheville,NC 28801 Washington,NC 27889 Raleigh,NC 27611 (714)251-6208 (919)946-6481 (919)571-4700 Fax(704)251-6452 Fax(919)975-3716 Fax(919)571-4718 Avery Macon Beaufort Jones Chatham Nash Buncombe Madison Bertie Lenoir Durham Northampton Burke McDowell Camden Martin Edgecombe Orange Caldwell Mitchell Chowan Pamlico Franklin Person Cherokee Polk Craven Pasquotank Granville Vance Clay Rutherford Currituck Perquimans Halifax Wake Graham Swain Dare Pitt Johnston Warren - Haywood Transylvania Gates Tyrell Lee Wilson Henderson Yancy Greene Washington Jackson Hertford Wayne Hyde Fayetteville Regional WQ Supervisor Mooresville Regional WQ Supervisor Wilmington Region. WQ Supervisor Wachovia Building,Suite 714 919 North Main Street 127 Cardinal Drive Extension Fayetteville,NC 28301 Mooresville,NC 28115 Wilmington,NC 28405-3845 (910)486-1541 (704.)663-6040 (910)395-3900 ' Fax(910)486-0707 Fax(704)663-6040 Fax(910)350-2004 Anson Moore Alexander Mecklenburg Brunswick New Hanover --- Bladen Robeson Cabarrus Rowan Carteret Onslow Cumberland Richmond Catawba Stanly Columbus Pender Harnett Sampson Gaston Union Duplin Hoke Scotland Iredell Cleveland Montgomery Lincoln Winston-Salem Regional WQ Supervisor 8025 North Point Boulevard, Suite 100 Winston-Salem,NC 27106 (910)896-7007 Fax(910)896-7005 Alamance Rockingham Alleghany Randolph Ashe Stokes - Caswell Surry Davidson Watauga Davie Wilkes I Forsyth Yadkin Guilford FORM: SIDS 06/94 Page 8 of 8 YORKSHIRE CNTR-NC PARK "Fax:919-870-6843 Sep 20 '95 13:32 P.01/01 „is `• , - .. !`f 7f State of North Carolina '` ' ;44. Department Environment, :�_.� i '! : •�:,,' Health and N tural Resource r.:.{•:•: `e, '1 •IF i r t A_,.i,. Division of Parks & Recreation �:�::��,+,�;^�.:• ���f°' -----... i. 4f .I,•. 's � :__! James B. Hunt,Jr„Governor �}'. l Jonathan B. Howes,Secretary .I`� �: _ "_ ' s` Dr. Philip K. McKnelly, Director ••I,,. .I S1 ill eptember.2.0;:a9 5 Mr. Barrett Kays i1:7.; : : :°3 I !•s::: Barrett Kays & Associates :,.,:'It • • ' •,a.'t. 224 Fayetteville Street Mall • i `1I::'" ': �'} ' i' Suite 100, Post Officei Box 2979 lit I •` . . ,• ' Raleigh, North Carolina 27602-2979 .'.I a` •i' !., :. Subject: Mount Mitchell and Date.*wer J ; State{ :rks L Sewer and Waterr ;•• '• _"" . Rcpa�i •:.�. a: Code: I9476 Fund: •4':l.481 ..aind:C:• ` 149316 Fund: 4016 Dear Mr. Kays: '` '�; ,, j y copy of this letter, the Division o P':4ics•:°alndtion hereby authorizes you to sign the permit.applications on behalf of the div!iion.:for:the e : • ve subject projects. Our division.will • reimburse you for thepermit fees. :I•I -'i'1 Ili If you should have anyj questions, pleaselcal1;me ait'84 •'.9.91. Sincerely, .i: • > .;1 • ! i..2--(-34,— (..,-..,--' / 2 r----- !...1:::if..1•:‘1.''';,.1!•,:•;!t,':1 ir,...• . • Alan Jeffreys '••''la' ;:'`.: .- Park Engineer i, I=i!u` I.1. AJJ .Note • 7671 late pot • !? • Page s •!;: : v a . .I From St -14 P. S •CoJp9pt•I : Co •!!!' `,Phorto:lt•i # :`I•''', I. -`!�,. Phone p •' I•.:1::. lialinITIFIMMEIM Fax It ;I....' .p. . . i' •I! .i j. .•:• ..l. P.O.Box 27687.Raleigh. North Carolina' !7.f'11; 687•: ?el,e,lIpl ttno 919-733.4181 FAX 919-715-3085 . .. . . ..•... ..n___.• •. .. �...::il +.__ •.`�lM.W�'...—..,.,•,J,inn, ---L ......w........ n.r n. MT. MITCHELL WATER& SEWER REPAIRS Drip Irrigation System Project Description and Engineering Rationale: The project consists of a non-discharge disposal system for Mount Mitchell State Park camping, maintenance and personnel barracks complex. The existing sewage treatment system will be augmented with the installation of drip irrigation system that will provide for septic tank effluent disposal during the period May 1 through October 30. The existing subsurface disposal system would be operated during the period November 1 through April 30 when the park is closed to visitors and consequently flow is at a minimum. The facility would involve a recirculating sand filter, effluent tank, Perc-Rite pump and controls, and Perc-Rite surface drip irrigation field. Design Capacity The design capacity of 1800 GPD for the proposed system is based on historical flow records. Recirculating Sand Filter The application rate for the recirculating sand filter will be 5GPD/SF. Septic tank effluent will — be applied to the sand bed using pressure compensating drippers to ensure uniform distribution. Surface Application Rate The surface application rate of 0.20 GPD/sq. ft. is based on recommendations given in the enclosed report(Tab 2) entitled"Soil Evaluations for Wastewater System Renovations at Mt. Mitchell and Duke Power State Parks",December 2, 1994. Effluent Storage Capacity The proposed system includes 5,000 gallon effluent tank which will provide sufficient storage capacity for the system, should the system become inoperable for a short period of time. The enclosed Monthly Soil Moisture Balance Calculations (Tab 3) for Mt. Mitchell State Park and Duke Power State Park Wastewater Systems indicated that there was no need for additional storage capacity due to wet weather conditions that may be anticipated. Contract Documents and Specifications: Attached (Tab 4) are the contract documents and specifications. Construction Cost Estimate: The construction cost estimates are attached(Tab 5). Drawings: Attached are working drawing sheets 1 - 8. • MT. MITCHELL WATER& SEWER REPAIRS Water System Repairs Project Description and Engineering Rationale: The project consists of replacing the water supply line that connects the upper and lower water storage tanks at the Mount Mitchell State Park camping, maintenance and personnel barracks complex. The project involves re-routing of the pipeline in the vicinity of the maintenance buildings and reconnecting existing service connections. Contract Documents and Specifications: Attached are contract documents and specifications. Drawings: Attached are working drawing sheets 1 - 8. I • SOIL EVALUATIONS FOR WASTEWATER SYSTEM RENOVATIONS AT MT. MITCHELL AND DUKE POWER STATE PARKS to N.C. DIVISION OF STATE PARKS I1 December 2, 1994 BARRETT RAYS AND ASSOCIATES, P.A. 304 E. Jones Street Raleigh, NC 17601 • • PART I. SOILS EVALUATION FOR WASTEWATER SYSTEM ` MT. MITCHELL STATE PARK MAINTENANCE AREA A. INTRODUCTION Purpose A soils evaluation was performed on November 23, 1994 at Mt. Mitchell State Park Maintenance area in order to determine siting requirements for renovations to the existing failing system for the maintenance/campsite portion of the park. The current septic field has periodic surfacing problems that are thought to be associated with lateral seepage of perched waters at or near the land surface. Site Location The site is located west of the maintenance area and across the park road. There are two parts of the site. The first part of the site is the existing septic field. It lies just off the west side of the park road and on a 25 percent slope. It is approximately 0.8 acres. The second part of the site is a forested area of live, dead and felled trees downslope of the first part. .This area is approximately 2.5 acres. B. NORTH CAROLINA DIVISION OF ENVIRONMENTAL HEALTH SOIL EVALUATION Procedures The procedure for soils evaluation was taken from the NC DEHNR Division of Environmental Health and is in accordance with North Carolina Administrative Code T15A.18A (.1901-.1968) . These procedures are outlined in the previous section. Descriptions of soil profiles were prepared for 13 pits located within the second part of the site. The 13 pits (1-4 previously evaluated by the North Carolina Division of Environmental Health (DEH) , 4-13 excavated by Barrett Kays and Associates) were approximately 24. 0-30.0 in deep or to an UNSUITABLE characteristic. The profiles descriptions include information on the following soil characteristics: 1. topography and landscape position; 2. soil characteristics/soil morphology; 3. soil, wetness; 2 4 . soil depth; and 5. restrictive horizons. The soil morphology investigation included in the soil profiles included: 1. texture 2 . structure; 3. depth of horizons; 4 . matrix colors; 5. mottles; and 6. soil consistency. The characteristics were compiled on the soil profile sheets (Appendix A) . A surface evaluation of the entire site was also performed in order to assess surface runoff characteristics, vegetative cover, slope, site location, building., trail, and campsite locations. Some of this information is being prepared as a separate document by D.S. Alantic, P.A. and will consist of site topographic map and location of off-site features. Site evaluations were made in accordance with Rules .1940 through .1948 of North Carolina Administrative Code T15A.18A (.1901-.1968) . Findings The Soil Evaluation sheets show that pits 1,5.,8,9,11,12 and 13 are UNSUITABLE for subsurface sewage disposal. Pits 2,3,4,6,7, and 10 are also UNSUITABLE but can be reclassified to PROVISIONALLY SUITABLE with use of a shallow placement and fill system._ However, it is likely that such an approach would create seasonal surfacing of effluent. • Due to severe soil limitations and the steep slope, subsurface application of effluent is not recommended. C. NORTH CAROLINA DIVISION OF ENVIRONMENTAL MANAGEMENT SOIL EVALUATION Procedure The NC DEHNR Division of Environmental Management Administrative Code Section. 15A NCAC 2H .0200 requires a soil evaluation for surface applied trickle irrigation systems by a certified soil scientist. Soil profiles were performed on 13 pits located within the second part of the site. The 13 pits (1-4 excavated by DEH, 4-13 excavated by Barrett Kays and. Associates) were approximately 24. 0- 30.0 in•depth or to an unsuitable characteristic. Deeper borings � J • were- advanced to seven feet or to auger refused for pits. The profiles included information on the following soil characteristics-.-- 1. topography and landscape position; 2. soil characteristics/soil morphology; 3. soil wetness; 4. soil depth; 5. restrictive horizons; and 6. available space. The soil morphology evaluation included: 1. texture 2. structure; 3. depth of horizons; 4. matrix colors; 5. mottles; 6. soil consistency. Findings • The soils on the site consistently have at least 12 inches of provisionally suitable _ soils for a surface applied trickle irrigation system. The saturated hydraulic conductivity is estimated to be about 0.2 in/hour in the subsoil. The CEC of the --- ; subsoil is estimated to be approximately 5 meq/100 gm of soil. Recommendations The findings of the soil evaluation indicate that a surface applied trickle irrigation :system. could. be -used to dispose of septic system ' I effluent. The recommended application rate is 0.20 GPD/sq ft of field area. This rate has been selected sufficiently low such that effluent could be applied daily during the camping season without • detention storage. �.1 • PART II. SOILS EVALUATION FOR WASTEWATER SYSTEM DUKE POWER STATE PARK CAMPSITE AREA A. INTRODUCTION Purpose A soils evaluation was performed on November 29, 1994 at the Duke Power State Park Campsite Area in order to determine siting requirements for renovations to an existing wastewater treatment plant within the campsite portion of the. park. The current wastewater treatment system is a wastewater treatment plant and discharge to Lake Norman and is located south and down slope of the campsite area. DSP wants to eliminate the discharge to surface waters and to install a non-discharge system. Site Location The site is located at the southern end of the park along Lake Norman Reservoir. The northern portion of the site is located • ii across from the road from the camp bathhouse, and is situated between two campsites. The northern half of the site has an approximate slope of 6 percent and the southern half has,_ approximately 0-2 percent slopes. The site is approximately 3.0 ac and is heavily forested with Pine and Hardwoods. B. NORTH CAROLINA DIVISION OF ENVIRONMENTAL HEALTH SOIL EVALUATION Procedures The procedure for soils evaluation was taken from the NC DEHNR Division of Environmental Health and is in accordance with North Carolina Administrative Code T15A.18A (.1901-.1968) . Descriptions of soil profiles were recorded on 10 pits located within the site. The 10 pits (excavated by Barrett Kays and Associates) were approximately 24.0-36.0 inches in depth or to an UNSUITABLE characteristic. The profiles included information on the following soil characteristics: 1. topography and landscape position; 2. soil characteristics/soil morphology; 3. soil wetness; 4. soil depth; and 5. restrictive horizons. The soil morphology investigation included: - I ' I ' • 1. texture; 2. structure; 3. depth of horizons; 4. matrix colors; 5. mottles; and 6. soil consistency. The characteristics were compiled on soil profile sheets (Appendix B) . A surface evaluation of the entire site was also performed in order to assess surface runoff characteristics, water body locations, vegetative cover, slope, site location, building, trail, and campsite locations. Some of this information is being prepared as a separate document by D.S. Alantic, P.A. and will consist of a site topographic map and location of off-site features. Findings The Soil Evaluation sheets show that pits 1,2,5 and 7 are PROVISIONALLY SUITABLE for subsurface sewage disposal. Pits 3,4,5,6, 8 and 10 are UNSUITABLE due to shallow depth of soil but can be reclassified at PROVISIONALLY SUITABLE with shallow placement of trenches. Pits 1,2,3,4,9 and 10 have very sticky ■ subsoils and may have CEC of approximately 16 meq/100 gm which is trending away from Kaolinitic clays in the subsoil. C. NORTH CAROLINA DIVISION OF ENVIRONMENTAL MANAGEMENT SOIL EVALUATION Procedure The NC DEHNR Division of Environmental Management Administrative, Code Section 15A NCAC 2H .0200 requires a soil evaluation for surface applied trickle irrigation systems by a certified soil scientist. Soil profiles were performed on 10 pits located within the site. The 10 pits were approximately 24.0-36.0 inches in depth or to an UNSUITABLE characteristic. Deeper borings were advanced seven feet or to auger refused. The profiles included information on the following soil characteristics: 1. topography; 2. soil characteristics/soil morphology; 3. soil wetness; 4. soil depth; and II 5. restrictive horizons. The soil morphology investigation included: 1. texture; 1 6 2. structure; 3. depth of horizons; 4. matrix colors; 5. mottles; and 6. soil consistency. Findings The soils on site consistently have at least 12 inches of provisionally suitable soils for a surface applied trickle irrigation system. The saturated hydraulic conductivity is estimated to be about 0.20 in/hour in the subsoil. The CEC of the subsoil is estimated to be approximately 16 meq/100 gm of soil for pits 1,2,3,4,9, and 10 and approximately 5 meq/100 gm of soil for pits 5,6,7, and 8. Recommendations The findings of the soil evaluation indicates that a surface applied trickle irrigation system chould be used to dispose of wastewater treatment plant effluent. The recommended application rate is 0.20 GPD/sq ft of field area. Although a subsurface system is allowable under the regulations, it will be substancially more expensive than the trickle irrigation system. I !A\\\\:s 7 PART III. SOILS EVALUATION FOR WASTEWATER SYSTEM DUKE POWER STATE PARK SWIM AREA jl A. INTRODUCTION Purpose A soils evaluation was performed on November 29, 1994 at Duke Power State Park Swim area in order to determine .siting requirements for renovations .to an existing wastewater plant within the swimming area portion of the park. DSP wants to eliminate the discharge to surface waters and to install a non-discharge system. Site Location The site is located along the main park road. It is approximately 0.48 mi from the park entrance and across from the swim area parking lot. The entrance to the site is a dirt road with a park gate across it. The site is approximately 4.0 ac, and is heavily forested with Hardwood, Pine and felled trees. B. NORTH CAROLINA DIVISION OF ENVIRONMENTAL HEALTH SOIL EVALUATION Procedures - The procedure for soils evaluation was taken from the NC DEHNR Division of Environmental Health and is in accordance with North Carolina Administrative Code T15A.18A (.1901-.1968) . Descriptions of soil profiles were recorded on 9 pits located within the site. The pits (excavated by Barrett Kays and Associates) _were. approximately 24.0-36.0 in deep or to an UNSUITABLE characteristic. The profiles included information on the following soil characteristics: 1. topography and landscape position; 2. soil characteristics/soil morphology; 3. soil wetness; 4. soil depth; and 5. restrictive horizons. The soil morphology investigation included: 1. texture; 2. structure; 3. depth of horizons; 4. matrix colors; 5. mottles; and 6. soil, consistency. 8 The characteristics were compiled on soil profile sheets -(Appendix C) . A surface evaluation of the entire site was also performed in order to assess surface runoff characteristics, water body locations, vegetative cover, slope, site location, building, trail, and campsite locations. Site evaluations were made in accordance with Rules .1940-.1948 of NC Administrative Code T15A.18.A ( .1901- .1968) . Findings The Soil Evaluation sheets show that pits 1,2,3,4,7 and 8 are UNSUITABLE for subsurface sewage disposal due to soil depth, but can be reclassified to PROVISIONALLY SUITABLE with shallow placement of trenches and fill systems. Pits 5,6, and 9 are UNSUITABLE for subsurface disposal due to soil depth but can be • reclassified to PROVISIONALLY SUITABLE with shallow .placement of trenches. C. NORTH CAROLINA DIVISION OF ENVIRONMENTAL. MANAGEMENT SOIL EVALUATION Procedure > The NC DEHNR Division of Environmental Management Administrative Code Section 15A NCAC 2H .0200 requires a soil evaluation for surface applied trickle irrigation systems by a certified soil scientist. Soil profiles were performed on 9 pits -located within the site. . The 9 pits were approximately 24.0-36.0 inches in depth or to an UNSUITABLE characteristic. Deeper borings were advanced seven feet•. or to auger refusal. The profiles included information on the ' following soil characteristics: - 1. topography; 2. soil characteristics/soil morphology; 3. soil wetness; 4. soil depth; and 5. restrictive horizons. The soil morphology investigation included: 1. texture; 2. structure; 3. depth of horizons; 4. matrix colors; 5. mottles; and 6. soil consistency. 9 Findings All pits in the evaluation have at least 12 inches of PROVISIONALLY SUITABLE soils for a surface applied trickle irrigation system. The saturated hydraulic conductivity is estimated to be about 0.20 in/hour in the subsoil. The CEC of the subsoil is estimated to be approximately 5 meq/100 gm of soil. Recommendations The findings of the soil evaluation indicates that a surface applied trickle irrigation system should be used to dispose of sewage waste. The recommended application rate is 0.20 GPD/sq ft of field area. �_i J $OIL PROFILE DESCRIPTION Date: 11/23/94 Soil Type: Boring No. :1 Classification:Typic Humaquepts Site Name:Mt. Mitchell Maint. Area Slope:32% Moisture: Moist Cover Condition:Mature Hemlock forest Landscape Pos. :West Slope Surface Condition: Ferns Disturbance Class: Drainage Class: Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl.. Ty.. Sz. Ab. Consis... A 0-6" 10YR 3/1 st.sil w f gr I ' ! ; vfr' B . 6-15" 10YR 4/4 st.sil w f sbk fr C 15-38" common st.sil w f sbk fr sapro ti 1 p .SOIL PROFILE, DESCRIPTION Date: 11/23/94 Soil Type: Boring No. :2 • Classification:Typic Humaquepts Site Name:Mt. Mitchell Maint. Area Slope:30% Moisture: Moist: Cover Condition:Mature Hemlock forest Landscape Pos. :West Slope ' Surface Condition: Ferns • Disturbance Class: Drainage Class: Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A/O 0-5" l0.YR 3/1 o.sil w f gr vfr. B 5-12" 10YR 4/4 sir w f sbk • •vfr BC 12-22" 10YR 3/4 . gr.sil w f sbk fr C 22-36" 10YR 3/4 st.sil w f sbk SOIL PROFILE DESCRIPTION Date: 11/23/94 Soil Type: Boring No. :3 Classification:Histic Humaquepts Site Name:Mt. Mitchell Maint. Area Slope:28% Moisture: Moist Cover Condition:Mature Hemlock forest Landscape Pos. :West Slope Surface Condition: Ferns Disturbance Class: Drainage Class: • • Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. , Sz. Ty. Cl. Ty. Sz. Ab. Consis. A '0-10" 10YR 3/1 o.sil w f . gr vfr BC 10-23" 2.5Y 4/4 common st. w f sbk fr sapro• car. pil. • C 23-39" 2.5Y 4/4 . dom. gr.sil w f . sbk fr sapro • • • • • • SOIL PROFILE DESCRIPTION Date: 11/23/94 Soil Type: Boring No. :4 Classification:Histic Humaquepts Site Name:Mt. Mitchell Maint. Area Slope:30% Moisture: Moist Cover Condition:Mature Hemlock forest Landscape Pos. :West Slope Surface Condition: Ferns Disturbance Class: Drainage Class: Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A 0-12" 10YR 3/1 o.sil w f gr vfr B 12-27" 2.5Y 4/4 common st.sil w f sbk fr sapro • • p • • SOIL PROFILE DESCRIPTION • Date: 11/23/94 Soil Type: Boring No. : 5 Classification:Typic Humaquepts Site Name:Mt. Mitchell Maint. Area Slope:35% Moisture: Moist Cover Condition:Mature Hemlock forest Landscape Pos. :West Slope Surface Condition: Ferns Disturbance Class: Drainage Class: • Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A 0-12" 10YR 2/2 sil w f gr v.fr. B 12-16" 10YR 3/4 st.scl w f sbk fr • BC 16-24" 10YR 3/4 scl w m sbk fr SOIL PROFILE DESCRIPTION Date: 11/23/94 Soil Type: Boring No. :6 Classification:Histic Humaquepts Site Name:Mt. Mitchell Maint. Area Slope:27% Moisture: Moist Cover Condition:Mature Hemlock forest Landscape Pos. :West Slope Surface Condition: Ferns Disturbance Class: Drainage Class: Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A 0-18" 10YR 3/1 o.sil w f gr vfr B 18-24" 10YR 3/4 sil w f sbk fr C 24-34" 10YR 3/4 sapro sil w m sbk fr 2.5Y 3/2 C 34-49" 10YR 3/4 sapro scl w m sbk fr 2.5Y 3/2 R 49+" rock Note:Boring terminated due to rock at 49 inches. Seasonally high water table at 24 inches. f 1 • SOIL PROFILE DESCRIPTION Date: 11/23/94 Soil Type: Boring No. :6 Classification:Histic Humaquepts Site Name:Mt. Mitchell Maint. Area Slope:30% Moisture: Moist Cover Condition:Mature Hemlock forest Landscape Pos. :West Slope Surface Condition: Ferns Disturbance Class: Drainage Class: • Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles . Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. AO 0-20" 10YR 3/1 o.si w f gr vfr B 20-27" 10YR 3/4 few sil w f sbk • fr sapro frag. - • C 27-50" 10YR 3/4 • sapro sil w f sbk/ fr color mas. mottle R 50+" rock . • Note: Boring terminated due to rock at 50 inches. L SOIL PROFILEPESCRIPTION Date: 11/23/94 Soil Type: Boring No. :8 Classification:Lithic Medisaprists Site Name:Mt. Mitchell Maint. Area Slope:29% Moisture: Moist 'Cover Condition:Mature Hemlock forest Landscape Pos. :West Slope Surface Condition: Ferns Disturbance Class: Drainage Class: • Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. AO 0-14" 10YR 3/1 o.si w f gr vfr R 14+ • • • Note: Boring terminated due to rock at 14 inches. SOIL pROFILE DESCRIPTION Date: 11/23/94 Soil Type: Boring No. :9 Classification:Histic Humaquepts Site Name:Mt. Mitchell Maint. Area Slope:27% Moisture: Moist Cover Condition:Mature Hemlock forest Landscape Pos. :West Slope Surface Condition: Ferns Disturbance Class: Drainage Class: • Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A 0-7" 10YR 3/1 o.si w f gr vfr B 7-15" 10YR 4/3 sil w f sbk fr • • BC 15-27" 10YR 4/3 sil w f sbk fr • • • { I ----- - - - - ---- SOIL PROFILE pESCRIPTIO! Date: 11/23/94 Soil Type: Boring No. :10 Classification:Histic Humaquepts Site Name:Mt. Mitchell Maint. Area Slope:32% Moisture: Moist Cover Condition:Mature Hemlock forest Landscape Pos. :West Slope Surface Condition: Ferns Disturbance Class: • Drainage Class: Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. , Cl.. Ty. Sz. Ab. Consis. A 0-12" 10YR 3/1 o.si w f gr vfr B 12-24" 2.5Y 3/4 sil w f sbk fr • • • • • • SOIL PROFILE DESCRIPTION • Date: 11/23/94 Soil Type: Boring No. : 11 Classification:Histic Humaquepts Site Name:Mt. Mitchell Maint. Area Slope:31% Moisture: Moist Cover Condition:Mature Hemlock forest Landscape Pos. :West Slope Surface Condition: Ferns Disturbance Class: Drainage Class: Note:located below large rock outcropping, clay buildup on top of rock. Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A 0-8" 10YR 3/1 o.si w f gr vfr B 8-19" 2.5Y 3/4 sil w f sbk fr R 19+" Note:Boring terminated due to rock at 19 inches. SOIL PROFILE DESCRIPTION Date: 11/23/94 Soil Type: Boring No. :12 Classification:Histic Humaquepts Site Name:Mt. Mitchell Maint. Area • Slope:33% Moisture: Moist • Cover Condition:Mature Hemlock forest Landscape Pos. :West Slope Surface Condition: Ferns Disturbance Class: Drainage Class: • • Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A 0-11" 10YR 3/1 o.si w f gr fr B 11-20 2.5Y 4/4 sil w f sbk fr •R 20+" • • Note: Boring terminated due to rock at 20 inches. • • SOIL PROFILE DESCRIPTION Date: 11/23/94 Soil Type: Boring No. :13 Classification:Lithic Medisaprists Site Name:Mt. Mitchell Maint. Area Slope:27% Moisture: Moist Cover Condition:Mature Hemlock forest Landscape Pos. :West Slope Surface Condition: Ferns Disturbance Class: Drainage Class: Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. AO 0-16" 10YR 3/1 O.si w f gr vfr R 16+" Note: Boring terminated due to rock at 16 inches. • { r --t SOIL PROFILE PESCRIPTIOII Date: 11/29/94 Soil Type:Cecil Series Boring No. :1 Classification:Typic Kandiudults Site Name:Duke Power Camp Site Slope:2% Moisture: Moist Cover Condition:Pine/Hardwood Forest Landscape Pos. :Upland Divide Surface Condition: Disturbance Class: Drainage Class: Structure Dist. Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A 0-16" 2.5YR sl w f gr v.fr. 4/3 • B 16-36" 2.5YR c m m sbk v.st. 4/8 . . • • • C 36-40" 2.5YR 10YR • c m m. ang fi 4/8 6/8 • • • • • r SOIL PROFILE DESCRIPTION • Date: 11/29/94 Soil Type:Cecil .Series Boring No. :2 Classification:Typic Kandiudults • Site Name:Duke Power Camp Site Slope:3% Moisture: Moist Cover Condition:Pine/Hardwood Forest Landscape Pos. :Upland Divide Surface Condition: Disturbance Class: Drainage Class: Structure Dist. Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A 0-16" 2.5YR sl w f gr fr. 4/3 B 16-36" 2.5YR q m m sbk v.st. 4/8 C 36-40" 2.5YR c m m ang fi. 4/8 SOIL PROFILE DESCRIPTION • Date: 11/29/94 Soil Type:Cecil Series Boring No. :3 Classification:Typic Kandiudults Site Name:Duke Power Camp Site Slope:2% Moisture: Moist Cover Condition:Pine/Hardwood Forest Landscape Pos. :Upland Divide Surface Condition: Disturbance Class: Drainage Class: • Structure Dist: Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A 0-9" 2.5YR sl w f gr fr. • 4/a • B 9-34" 2.5YR c - . m m sbk v.st. • • 4/8 • C 34-40" 2.5YR c m m ang fi. 4/8 • • • • SOIL PROFILE DESCRIPTION Date: 11/29/94 Soil Type:Cecil Series Boring No. :4 Classification:Typic Kandiudults Site Name:Duke Power Camp Site Slope:3% Moisture: Moist Cover Condition:Pine/Hardwood Forest Landscape Pos. :Upland Divide Surface Condition: Disturbance Class: Drainage Class: Structure Dist. Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis.. A 0-12" 2.5YR sl w f gr fr. 4/3• B 12-32" 2.5YR c - m m sbk v.st. 4/8 C 32-40" 10YR 6/8 c m m ang. v.st. L - r l 1 SOIL PROFILE DESCRIPTION Date: 11/29/94 Soil Type:Cecil Series Boring No. :5 Classification:Typic Kandiudults Site Name:Duke Power Camp Site Slope:3% Moisture: Moist Cover Condition:Pine/Hardwood Forest Landscape Pos. :Upland Divide Surface Condition: Disturbance Class: . Drainage Class: Structure Dist. Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Conss. A 0-10" 2.5YR si w f gr v.fr. 4/3 _ B 10-36" 2.5YR c , m m sbk fr. 4/8 1 SOIL PROFILE DESCRIPTION Date: 11/29/94 Soil Type:Cecil Series • Boring No. : 6 Classification:Typic Kandiudults Site Name:Duke Power Camp Site Slope:3% Moisture: Moist Cover Condition: Pine/Hardwood Forest Landscape Pos. :Upland Divide Surface Condition: Disturbance Class: Drainage Class: Structure Dist.. Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. 'Cl. Ty. Sz. Ab. Consis. A 0-4" 2.5YR sl w f gr v.fr. 4/3 B 4-35" 2.5YR c m m sbk fr. 4/8 SOIL PROFILE DESCRIPTION Date: 11/29/94 Soil Type:Cecil Series Boring No. :7 Classification:Typic Kandiudults Site Name:Duke Power Camp Site Slope:2% Moisture: Moist Cover Condition:Pine/Hardwood Forest Landscape Pos. :Upland Divide Surface Condition: Disturbance Class: Drainage Class: Structure Dist.. Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. . Consis. A 0-7" 2.5YR sl w f gr fr. 4/3 B2 7-27" 2.5YR c m m sbk fr. 4/8 B3 27-36" 2.5YR c w f sbk - fr. 4/8 1 _ 1 � . I L - • SOIL PROFILE DESCRIPTION Date: 11/29/94 Soil Type:Cecil Series Boring No. :8 Classification:Typic Kandiudults Site Name:Duke Power Camp Site Slope:3% Moisture: Moist Cover Condition:Pine/Hardwood Forest Landscape Pos. :Upland Divide • Surface Condition: Disturbance Class: Drainage Class: • Structure Dist. Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. .Sz. Ty. Cl. Ty. Sz. Ab.. Consis.. A 0-1" 2.5YR sl w f gr fr. 4/3' • B2 1-22" 2.5YR c - m m sbk fr. • • 4/8 • B3 • 22-32" 2.5YR C w. m sbk fi. 4/8 • SOIL PROFILE DESCRIPTION • Date: 11/29/94 Soil Type:Cecil Series Boring No. :9 Classification:Typic Kandiudults Site Name:Duke Power Camp Site Slope:3% Moisture: Moist Cover Condition:Pine/Hardwood Forest Landscape Pos. :Upland Divide Surface Condition: Disturbance Class: Drainage Class: Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A 0-1" 2.5YR sl ; w f gr fr: 4/3* B2 1-21" 2.5YR c m m sbk st. 4/8 B3 21-36" 2.5YR c w m sbk. 4/8 • • SOIL PROFILE DESCRIPTION Date: 11/29/94 Soil Type:Cecil Series Boring No. :10 Classification:Typic Kandiudults Site Name:Duke Power Camp Site Slope:3% . Moisture: Moist Cover Condition: Pine/Hardwood Forest Landscape Pos. :Upland Divide Surface Condition: Disturbance Class: Drainage Class: Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A 0-3" 2.5YR sl w f gr fr.. 4/3 B 3-31" 2.5YR 10YR c m m sbk st. 4/8 4/3 C 31-36" 2.5YR 10YR c w m sbk fi. 4/8 6/8 • p Ref.#325 SOIL PROFILE DESCRIPTION Date: 11/29/94 Soil Type:Pacolet Series Boring No. :1 Classification:Typic Kandiudults Site Name:Duke Power Swim Area Slope:6% • Moisture: Moist Cover Condition:Pine/Hardwood Forest Landscape Pos. :Upland Divide Surface Condition: Disturbance Class: Drainage Class: Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A 0-5" 2.5YR scl w f gr v.fr. 4/3 B 5-22" 2.5YR c in m sbk fr. 4/8 C 22-36" 2.5YR cl w in sbk/ fi. 4/8 mas. Ref.#320 SOIL PROFILE DESCRIPTION Date: 11/29/94 Soil Type:Pacolet Series Boring No. :2 Classification:Typic Kandiudults Site Name:Duke Power Swim Area Slope:6% Moisture: Moist Cover Condition:Pine/Hardwood Forest Landscape Pos. :Upland Divide Surface Condition: Disturbance Class: Drainage Class: Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A 0-4" 2.5YR scl w f gr v.fr. 4/3 B 4-20" 2.5YR c in in sbk fr. 4/8 C 20-36" 2.5YR cl w m sbk/ fi. 4/8 mas. ' Ref.#342 • SOIL PROFILE DESCRIPTION • Date: 11/29/94 Soil Type:Pacolet Series Boring No. :3 Classification:Typic Kandiudults Site Name:Duke Power Swim Area Slope:6% Moisture: Moist Cover Condition:Pine/Hardwood Forest Landscape Pos. :Upland Divide Surface Condition: Disturbance Class: Drainage Class: Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A 0-1" 2.5YR scl w f gr v.fr. 4/3 . • • B 1-18" 2.5YR: 10YR c • m m sbk fr. 4/8 6/8 C 18-30" 2.5YR 10YR • cl w m sbk/ fi. 4/8 6/8 pas. SOIL PROFILE DESCRIPTION Date: 11/29/94 Soil Type:Pacolet Series Boring No. :4 Classification:Typic Kandiudults Site Name:Duke Power Swim Area Slope:6% Moisture: Moist Cover Condition:Pine/Hardwood Forest Landscape Pos. :Upland Divide Surface Condition: Disturbance Class: Drainage Class: Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A 0-3" 2.5YR scl w f gr v.fr. 4/3 B 3-18" 2.5YR c m m ang. fr. 4/8 C 18-30" 2.5YR cl w m ang. fi. 4/8 /mas l__ I • Ref.#384 SOIL PROFILE DESCRIPTION Date: 11/29/94 Soil Type:Pacolet Series Boring No. :5 Classification:Typic Kandiudults Site Name:Duke Power Swim Area Slope:6% . Moisture: Moist Cover Condition:Pine/Hardwood Forest Landscape Pos. :Upland Divide Surface Condition: Disturbance Class: Drainage Class: Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. End. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A 0-6" 2.5YR scl w f gr v.fr. 4/3 . • B 6-25" 2.5YR • c m m sbk fr. 4/8 • C 25-36" 2.5YR c w f sbk fi. 4/8 _• Ref.#374 • • SOIL PROFILE DESCRIPTION Date: 11/29/94 Soil Type:Pacolet Series Boring No. :6 Classification:Typic Kandiudults Site Name:Duke Power Swim Area Slope:6% . Moisture: Moist • Cover Condition:Pine/Hardwood Forest • Landscape Pos. :Upland Divide Surface Condition: • Disturbance Class: Drainage Class: • Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A 0-6" 2.5YR scl w f gr v. fr. 4/3 . B 6-26" 2.5YR c in in sbk fr. 4/8 C 26-32" 2.5YR c m m ang. fi. 4/8 • • • • • Ref. #373 SOIL PROFILE DESCRIPTION Date: 11/29/94 Soil Type:Pacolet Series Boring No. :7 Classification:Typic Kandiudults Site Name:Duke Power Swim Area Slope:6% Moisture: Moist Cover Condition:Pine/Hardwood Forest Landscape Pos. :Upland Divide Surface Condition: Disturbance Class: Drainage Class: Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A 0-5" 2.5YR scl w f gr v.fr. 4/3 B 5-22" 2.5YR c m m sbk fr. 4/8 C 22-31" 2.5YR c w m sbk/ fi. 4/8 mas. Ref. #353 • SOIL PROFILE DESCRIPTION Date: 11/29/94 Soil Type:Pacolet Series Boring No. :8 Classification:Typic Kandiudults Site Name:Duke Power Swim Area Slope:6% Moisture: Moist Cover Condition:Pine/Hardwood Forest Landscape Pos. :Upland Divide Surface Condition: Disturbance Class: Drainage Class: Structure Dist.Fragments Horiz. Depth Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab.. Consis. A 0-6" 2.5YR scl w f gr v.fr. 4/3 . B 6-18" 2.5YR c m m sbk fr. 4/8 C 18-32" 2.5YR c w m sbk/ fi. 4/8 mas. 3 — 1 1 i' a , • • • Ref.#329 SOIL PROFILE DESCRIPTION Date: 11/29/94 Soil Type:Pacolet Series Boring No.:9 Classification:Typic Kandiudults Site Name:Duke Power Swim .Area Slope:6% Moisture: Moist Cover Condition:Pine/Hardwood Forest Landscape Pos. :Upland Divide • Surface Condition: • Disturbance Class: Drainage Class: • • Structure Dist.Fragments Horiz. Depth • Matrix Co. Mottles Tex. Bnd. Gr. Sz. Ty. Cl. Ty. Sz. Ab. Consis. A 0-5" 2.'5YR scl w f gr v.fr.. 4/3 • B2 5-17" 2.5YR c - m m sbk fr. • 4/8 • • . B3 17-27" 2.5YR c w f sbk/ fi. 4/8 mas. C 27-37" 2.5YR cl 'was. fi. 4/8 1 D 3vw State of North Carolina 1 ; Department of.Environment, 4,\?R 2 4 1995 = ` • '`• } '' Health and Natural Resources • • Division of Environmental Management James B. Hunt, Jr., Governor; — Jonathan B. Howes, Secretary _1 E Fl A. Preston Howard, Jr., P.E., Director C April 20, 1995 Mr. David Misenhimer,P.E. Barrett Kays&Associates 304 East Jones Street Raleigh, NC 27601 Subject: Wastewater Spray Irrigation Systems Minimum Design Criteria Storage Requirements Dear Mr.Misenhimer: The purpose of this letter is to clarify the Division's policy on minimum storage requirements for wastewater spray irrigation systems. It shall also serve as written verification of the information regarding this matter which has been previously discussed between you and Division representatives over the phone and in conference. The Division requires that a mass water balance be utilized to indicate the minimum amount of storage which is necessary for a given system. There is no absolute minimum or maximum limit; the requirement is specific to the individual system's design,location, etc. Each spray irrigation system will be considered on an individual basis so that any unique design parameters may be considered on their merits. If you have any further questions on this matter,feel free to contact me at(919) 733-5083, extension 549. S. ere /1/ J. ay ox E viro ental Engineer • State Engineering Review Group cc: SERG , P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone 919-733-7015 FAX 919-733-2496 An Equal Opportunity Affirmative Action Employer 50% recycled/10%post-consumer paper Barrett Kays & Associates Civil Engineering/Environmental Engineering/Environmental Assessment May 31, 1995. Mr. David Misenhimer, P.E. Barrett Kays &Associates, P.A. 304 E. Jones St. Raleigh,NC 27601 RE: Project#9409004 - Monthly Soil Moisture Balance for Mt. Mitchell St. Park and Duke Power St. Park Wastewater Systems Dear Mr. Misenhimer: Please find enclosed three tables of estimated monthly soil moisture balance. The recommended application rate of 0.20 GPD/sq. ft. represents 0.32-inch daily application. The tables indicate that. all three sites can handle in excess of 0.32-inch daily application in an unsaturated state. Therefore,no storage requirement is needed for the field portion of the system. In fact all three sites have sufficient storage capacity to allow for wastewater application during the most severe daily_ rainfall event on record and not produce surface runoff leaving the wastewater site. The saturated daily capacity is approximately one order of magnitude greater for Mt. Mitchell and two orders of magnitude greater for Duke Power State Park. Therefore,I have recommended a low and conservative application rate based upon unsaturated flow so that the site will have sufficient capacity to avoid runoff during the most adverse rainfall events. The Mt. Mitchell system is planned to operate from May 1st to October 30th each year when the park is open for visitors. This avoids operation during freezing periods. The Duke Power systems should be set to not operate during period of freezing temperatures. Also find enclosed the climatic data that was used to prepare this analysis. Please note that the data for Mt. Mitchell is from the new weather station actually on Mt. Mitchell. Please contact me if you have any questions or need further elaboration. Sincerely, B '414 KAYS & ASSOCIATES, P.A. .re 'h.D. 'rt, .essional Soil Scientist 304 East Jones Street/ Raleigh, North Carolina 27601 Telephone: 919-828-1903 Fax: 919-828-0365 Table #1 Estimated Monthly Soil Moisture Balance for Burton Soils, Forest Maintenance Area Wastewater Site, Mt. Mitchell State Park, NC MONTHLY DAILY MONTH MEAN MONTHLY DOWNWARD TOTAL HYDRAULIC MONTHLY MEAN POTENTIAL POTENTIAL EVAPOTRANSPIRATION° HYDRAULIC REDISTRIBUTION` PRECIPITATION° EFFECTIVE EFFECTIVE , • REDISTRIBUTION° APPLICATION` APPLICATION' _ inches . _ _ _ May 4.65 26.04 30.69 8.04 22.65 0.73 June 5.10 25.20 30.30 6.18 24.12 0.80 July 4.96 • 26.04 31.00 6.67 24.33 0.78 August 4.34 26.04 30.38 8.04 22.34 0.72 • September 3.60 25.20 28.80 5.47 23.33 0.78 October 2.17 26.04 28.21 6.57 21.64 0.70 • (a) Mean monthly evapotranspiration from vegetation in moist soils after"Weather and Climate in North Carolina,"Agri. Exp. Stat. Bull. 396,NCSU,Table 4. (b) Redistribution calculated from estimated saturated conductivity of 0.35 inches/hour for restrictive horizon;use 1/10 value for estimated unsaturated conductivity. (c) Summation of evapotranspiration and downward hydraulic redistribution. . (d) Mean monthly precipitation for Mt:Mitchell Station,NC,National Climatic Data Center. (e) Difference between total hydraulic redistribution and precipitation. (f) Monthly potential effective application divided by number of days per month. 1 9409004 May 23, 1995 Barrett L. Kays, Ph.D.,C.P.S.S. • Table #2 Estimated Monthly Soil Moisture Balance for Cecil Soils, Forest Swimming Area Wastewater Site, Duke Power State Park, NC MONTHLY DAILY MEAN MONTHLY DOWNWARD TOTAL HYDRAULIC MONTHLY MEAN POTENTIAL POTENTIAL MONTH EVAPOTRANS- HYDRAULIC REDISTRIBUTION° PRECIPITATION' EFFECTIVE EFFECTIVE PIRATION° REDISTRIBUTIONb APPLICATION° APPLICATION' inches _ _ • January .93 51.17 52.10 3.40 48.70 1.67 February 1.68 46.22 47.90 3.79 44.11 1.58 March 2.79 51.17 53.96 4.43 49.53 1.60 April 3.60 49.52 53.12 3.06 50.06 1.67 May 4.65 51.17 55.82 4.41 51.41 1.66 June 5.10 49.52 54.62 4.57 50.05 1.67 July 4.96 51.17 56.13 3.79 52.34 1.69 August 4.34 51.17 - 55.51 3.97 51.54 1.66 . September 3.60 49.52 53.12 3.85 49.27 1.64 October 2.17 51.17 53.34 3.67 49.67 1.60 November • 1.50 49.52 51.02 3.31 47.71 1.59 • December .93 51.17 52.10 3.87 48.23 1.56 Yearly Totals 36.25 602.49 638.74 46.12 592.62 (mean) 1.63 (a) Mean monthly evapotranspiration from vegetation in moist soils after"Weather and Climate in North Carolina,"Agri. Exp. Stat. Bull.396,NCSU,Table 4. (b) Redistribution calculated from estimated permeability of 17.47 cm/hour for Cecil clay subsoil horizon;Sudbury Type#2 using 1/100 of K sat. for K unsat. (c) Summation of evapotranspiration and downward hydraulic redistribution. (d) Mean monthly precipitation for Statesville 2 NNE Station,NC,National Climatic Data Center. 9409004 (e) Difference between total hydraulic redistribution and precipitation. May 23, 1995 (f) Monthly potential effective application divided by number of days per month. Barrett L. Kays,Ph.D.,C.P.S.S. t i 7 [ i_�- 'L-- - l L C_= 1 L_- L. ' .1 --t_ {- Table #3 Estimated Monthly Soil Moisture Balance for Cecil Soils, Forest Camping Area Wastewater Site, Duke Power State Park, NC MONTHLY DAILY MEAN MONTHLY DOWNWARD TOTAL HYDRAULIC MONTHLY MEAN POTENTIAL POTENTIAL MONTH EVAPOTRANS- HYDRAULIC REDISTRIBUTION` PRECIPITATION' EFFECTIVE EFFECTIVE PIRATION° REDISTRIBUTION' APPLICATION` APPLICATION' - inches • January .93 51.17 52.10 3.40 48.70 1.67 February 1.68 46.22 47.90 3.79 44.11 1.58 March 2.79 51.17 53.96 4.43 49.53 1.60 April 3.60 49.52 53.12 3.06 50.06 1.67 May 4.65 51.17 55.82 4.41 51.41 1.66 June 5.10 49.52 54.62 4.57 50.05 1.67 July 4.96 51.17 56.13 3.79 52.34 1.69 August 4.34 51.17 55.51 3.97 51.54 1.66 September 3.60 49.52 53.12 3.85 49.27 1.64 October 2.17 51.17 53.34 3.67 49.67 1.60 November • 1.50 49.52 51.02 3.31 47.71 1.59 December .93 51.17 52.10 . 3.87 48.23 1.56 Yearly Totals 36.25 602.49 638.74 46.12 592.62 (mean) 1.63• (a) Mean monthly evapotranspiration from vegetation in moist soils after"Weather and Climate in North Carolina,"Agri. Exp. Stat.Bull.396,NCSU,Table 4. (b) Redistribution calculated from estimated conductivity of 17.47 cm/hour for Cecil clay subsoil horizon;Sudbury Type#2 using 1/100 of K sat.for K unsat, (c) Summation of evapotranspiration and downward hydraulic redistribution. (d) Mean monthly precipitation for Statesville 2 NNE Station,NC,National Climatic Data Center. 9409004 (e) Difference between total hydraulic redistribution and precipitation. .l May 23, 1995 (f) Monthly potential effective application divided by number of days per month. Barrett L. Kays, Ph.D.,C.P.S.S. i O.S. OF COMMERCE NATIONAL DATA RTMENT NATICNALAOCEANIC AND ATMOSPHERIC ADMINISTRATION ANNUAL CLIMATOLOGICAL SUMMARY FEDER FEDERAL BUILDING LLLDINHCCAROtINAHTER 260001 STATION IDENTIFICATION 31015923 MOUNT MITCHELL NORTH CAROLINAELEVATION 6240 FT. ABOVE SEA LEVEL LAT. 35 46N LONG. 82 16 DATE TEMPERATURE ( ° F ) PRECIPITATION ( INCHES ) NUMBER OF DAYS SNOW. SLEET NO. OF D OEPART. HEATING COOLING OCPART. GREATEST MAN MEAN MEAN FROM DEGREE DEGREE MAX MAX MIN NIN TOTAL FACM OBSERKO DATE TOTAL mAx DATE TR. MO. maximum MINIMUM *ANAL DAYS DAYS HIGHEST DATE LCAEST DATE L ye < 32° < 32° < °° NORM. DAY FALL DEPTH !.10 :.SO . ' 88 1 M 88 2 M 88 3 M 88 4 M ' 88 • 5 M 88 6 M 88 7 M 88 8 M 88 9 M , 88 10 M 88 11 M • 88 12 40.2 21 .5 30.9 1052 0 50 28• ' -6 18 0 8 25 1 2.37 PI .75 31 9.5 4 9 8 1 'ANN' M M M II M OM 8M 25M 1M M .75MOEC 9.5M 4MDEC 8M 1M M MISSING OATH. APPEARS HIT',MONTHLY •OCCURRED ON ONE DR 1101E PREVIOUS II ADJUSTE0 TONTHLT OR AIA.11L VALUE DATA WEN LESS THAN 10 DAYS ARE DATES DURING THE MONTH. TOTN.CONTAINS ESTIMATED YALUELSI MISSING. NC IT APPEARS ALONE IF FOR MISSING DATA. 10 OR 101E DAYS ARE MISSING. IT APPEARS NUN AOM. DATA. WEN T TRACE A AMOUNT PRECIPITATION NAY INCLUDE DERIYEO FROM MONTHS S1ITH MISSING PRECIPITATION THAT OCCURRED OURIN6 DATA. V INCLUDES TOTAL FOR PREVIOUS MONTH. THE PREVIOUS MONTHS. ,i • U.S. DEPARTMENT OF COMMERCE NATIONAL CLIMATIC DATA CENTER NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION ANNUAL CLIMATOLOGICAL SUMMARY AFEDERAL SHEYILLE�,ILORTH CAROLINA 28901 STATION IDENTIFICATION 31015923 MOUNT MITCHELL NORTH CAROLINAELEVATION 6240 FT. ABOVE SEA LEVEL LAT. 35 46N LONG. 82 II DATE TEMPERATURE ( ° F ) PRECIPITATION ( INCHES ) NUMBER OF DAYS SNOW, SLEET NO. OF 0 DEPART. HEATING COOLING DEPART. GREATEST MEAN MEAN t£NI IROM DUKE DEGREE NM 'Mx MIN PIN TOTAL MR OSSERYED DATE TOTAL JMx DATE . YR. 110. MAxIMxt MINIMUM NORMAL OATS , DAYS HIGHEST DATE LREST DATE a '°m < 32d c 3f : p® NORMAL DAT CALL DEPTH >.10 :.SO 89 1 44.7 27.2- 36.0 894 0 53 29 • 6 4 0 0 19 0 4.50 ' M .70 13 5.0 4 10 12 3~ 89 2 39.9 23.3 31 .6 928 0 62 15 -8 9 0 7 17 3 8.00 M 1 .40 27 38.0 24 28 14 6 89 3 50.0 32.5 41 .3 729 0 65 28 1.6 0 0 1 15 6 6.00 M .85 23 .OT 16 1 12 5 1 89 4 50.0 32.6 41 .3 . . 703 0 70 27* 14 II. 0 6 12 0 6.24 M 1 .27 15 20.0 18 9 8 6. 89 5 55.0' 38.4 46.7 560 0 • 72 25 19 7 0 1 10 0 6.51 M 1 .40 1 3.0 2 7 11 5 • 89 6 64.4 50.6 57.5 216 0 74 2 42 17 0 0 0 0 10.95 M 2.80 21 .0 0 19 6 89 7 66.1 53.2 59.7 159 2 .74 12+ 44 3 0 0 0 '0 10.01 M 2.55 4 .0 _0 14 7 89 8 65.5 51 .5 58.5 199 5 74 5 35 9* 0 0 0 0 5.43 M 1 .37 15 .0 0 13 3 . 89 9 60.3 48.5 54.4 312 0 68 11 33 24 0 0 0 0 16.07 M 5.40 22 .0 0 17 9 89 10 57.0 39.8 48.4 . 507 0 67 11 15 2.1* 0 0 4 0 7.43 . M 2.82 1 3.0 2 20 7 4 89 11 44.2' 28.4 36.3 855 0 58 13* 5 17 0 3 18 0 5.86 M 2.62 16 6.0 4 17 7 2 89 12 31 .2 14.8 23.0 1294 0 49 . 6 -7 23 ' 0 15 29 4 5.42 M 1.83 8 24.0 9 17* 10 3 ' S2.4 36.7 44.6 7356 7 74 AUG* -8 E8 0 33 124 7 �92.42 M`5.40 SEP 99.0 24 FEB 144 59 M HISSING DATA. APPEARS WITH MOiTHLY • OCCURRED ON ONE CO MORE PREVIOUS 0 AOMTED MCNTHLT R1 AM.JAL YAWS DATA HEN LESS THAN 10 OATS ME DATES DURING THE MONTH. TOTAL CONTAINS ESTIMATED VALUEISI MISSING. NO IT APPEARS ALOE If . FOR PISSING DATA. t0 0R MORE DAYS ARE MISSING. IT APPEARS WITH ANNUAL DATA. NKN I TRACE A AMOUNT PRECIPITATION MAT 1NCLUOE DERIVED FROM MOUTHS WITH MISSING PRECIPITATION THAT CCCIJRAEO DURING DATA. Y INCLUDES TOTAL FOR PREVIOUS NONTM. THE PREVIOUS MONTHS. . R - - L_ �-- L- i ( • U.S. DEPARTMENT OF COMMERCE NATIONAL CLIMATIC DATA CENTER NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION ANNUAL CLIMATOLOGICAL SUMMARY FEDERAL BUILDING ASHEVILLE, NORTH CAROLINA 28801 STATION IDENTIFICATION 31015923 MOUNT MITCHELL NORTH CAROLINAELEVATION 6240 FT. ABOVE SEA LEVEL . LAT. 35 46N LONG. 82 1E DATE TEMPERATURE ( ° F ) PRECIPITATION ( INCHES ) _ i NUMBER OF DAYS SNOW. SLEET NO. OF D DEPART. HEATING COOLING - DEPART. GREATEST NQA1N MEAN MEAN FROM DEGREE • DEGREE MAX MAX MIN MIN TOTAL FROM OOSERYEO DATE TOTAL MAX DATE YR. M3. MAXIMUM MINIMUM NORMAL DAYS DAYS HIGHEST DATE LO CST DATE ) 100 c 32o c 320 C 0' fNOzMMAL DAY FALL DEPTH >.10 I.50 90 1 42.3 25.1 33.7 962 0 51 31 3 13 0 1 23 0 6.08 M 1 .12 25 10.5 4 26+ 13 5 90 2 44.6 26.5 35.6 818 0 57 2• -5 25 0 2 20 1 9.05 M 3.25 16 3.0 3 24 8 5 90 3 47.8 32.3 40.1 766 0 64 12 8 20 0 0 16 0 9.52, M 3. 9 17 4.0 2 3 11 5 90 4 50.8 32.5 41 .7 694 0 67 26 11 7 0 2 13 0 3.65 M 1 .29 28 2.0 OT 30+ 7 3 90 5 59.6 41 .9 50.8 433 0 67 .17+ 26 11+ 0 O 3 O 9.55 M 2.18 10 .0T OT 31+ 13 5 90 6 64.9 49.6 57.3 224 0 71 8+ 40 5 0 0 0 0 2.14. M .82 9 ' .0 0 4 2 90 7 66.5 52,7 59.6 158 0 74 7 46 16+ 0 0 0 0 9.35 M 4.76 14 .0 0 11 4 90 8 67.2 53.0 60.1 145 3 74 28 46 11 0 0 0 0 9.63 M 3.05 31 .0 0 9 5 90 9 63.2 47.3 55.3 285 0 73 8+ 26 24 0 0 1 0 2.55 M .71 11 .0 0 5 - 2 90 10 55.8 40.2 48,0 521 0 65 8+ 17 26 0 1 6 0 14.51 M 4.39 12 12,4 11 25 12 7 90 11 50.3 33.2 41 .8 690 0 65 2 13 30 0 0 12 0 2.85 M 1 .09 10 .0T 01 30+ 6 2 90 12 44.4 28.1 36.3 884 0 52 1 5 26+ 0 3 22 0 8.58 M 1 .66 23 2.5 1 7 15 5 54.8 38.5 46.7 6580 3 74 1AUG•1 -5 FE8 0 9 116 1 87.46 M 4.76 JUL 34.4 1 11 OCT 114 50 M MISSING DATA. APPEARS WITH MAINLY • OCCURRED ON ONE OR MORE PREVIOUS 8 ADJUSTED M7NTILY OR ANNUAL VALUE • DATA MEN LESS THAN 10 DAYS ARE DATES DURING THE MONTH. TOTAL CONTAINS ESTIMATED YALUEISI FGR MISSING DATA. MISSING. ARQ lT APPEARS ALONE IF 10 OR MORE DAYS ARE MISSING. IT A ANOINT PRECIPITATION MAY INCLUDE APPEARS M1TN ANNUAL DATA. MEN T TRACE PRECIPITATION THAT OCCURRED DURING DARNED FROM MONTIRS WITH MISSING THE PREVIOUS MONTHS. DATA. V lIHCLUDES TOTAL FOR PREVIOUS MONTH. 1 ----- --- - - - RATIONAL CLIMATIC DATA CENTER U.S. DEPARTMENT OF COMMERCE NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION ANNUAL CLIMATOLOGICAL SUMMARY FEDERAL BUILDING ASHEVILLE. NORTH CAROLINA 28801 STATION IDENTIFICATION 31015923 MOUNT MITCHELL NORTH CAROLINA ELEVATION 6240 FT. ABOVE SEA LEVEL LAT. 35 46N LONG. 82 16 DATE TEMPERATURE ( ° F ) PRECIPITATION ( INCHES ) NUMBER OF DAYS SNOW, SLEET NO. OF DI DEPART. MAIM COOLING - DEPART. GREATEST MEAN MEAN MEAN FROM DEGREE DEGREE MAX MAX M1N MITI TOTAL FROM OBSERVED DATE TOTAL MAX DATE o NORMAL DAY FALL DEPTH �,10 ?.50 • YR. MO. MAXTMut MINIMUM NORMAL DAYS OATS HIGHEST DATE LOWEST DATE > 900 320 320 0 91 1 38.3 23.7 31 .0 1045 0 49 2 -3 22 0 8 23 1 5.32 M 1 .62 11 6.0 4 21 12 2 91 2 39 .5 23.8 31 .7 927 0 52 3 -16 16 0 4 19 2 4.90 M 1 .52 18 30.0 20 17 10 3 91 3 45.7 26.0 36.9 865 0 62 22 8 10 0 2 20 0 10.72 M 3.75 29 10.0 6 10+ 12 6 • H 3.72 19 .OT 0T 30+ 13 4 91 4 53.9 38.2 46.1 562 0 65 28 22 1 0 1 8 0 7.22 91 5 61 .4 47.7 54.6 315 0 69 31 30 7 0 0 2 0 4.64 N .70 19 .0 0 15 2 91 6 62.3 49.9 56.1 259 0 71 1 38 7 0 0 0 0 5.26 ri 1 . 14 20 .0 0 13 4 91 7 67.5 54 .5 61 .0 121 2 74 3+ 50 15 0 0 0 0 6. 15 M 1 .26 25 .0 0 `% 4 n 2.65 26 .0 0 14 8 91 8 63.9 51 .7 57.8 217 0 73 7 44 22 0 0 0 0 10. 19 4 91 9 60.7 48.2 54.5 307 0 71 15 31 27 0 0 2 0 3.17 M 1 .26 2 .0 0 5 8 91 10 55.3 38.7 47.0 550 0 64 19+ 19 7 0 0 3 7 0 1 . 12 M .39 16 .0 0 0 . 91 11 43.9 28.4 36.2 859 0 56 15+ 7 25 0 5 16 0 6.36 n 3.69 22 5.0 4 10 5 3 91 12 42.0 26.4 34.2 948 0 54 2- ' 2 19 0 2 23 0 8.02 n 1 .65 3 ,Ori OT 31 + 10 6 ANN. M 3,75 MAR 51 ,OM 20 FEB 121 45 52.9 38.3 45.6 6975 2 74 JUL -16 FEB 0 22 120 3 73 .97 + OCCURRED ON ONE OR MOUE PREVIOUS 8 ADJUSTED MONTHLY OR ANNUAL VALUE M MISSING 111 L, APPEARSWITHMONTHLY DATES DURING TOE MONTH. TOTAL CONTAINS ESTIMATED VALUEISI DATA WENN LESS T THAN 10 DDAYS A ARE RE FOR MISSING DATA. MISSING, ANO IT APPEARS ALONE IF • 10 DR MORE DAYS ARE MISSING. IT T TRACE A ANOINT PRECIPITATION MAY INCLUDE DEREVE WITH ANNTAL DA, WHEN PRECIPITATION THAT OCCURRED OURING DERIVED FROM MONTHS WITH MISSING THE PREVIOUS MONTHS. V INCLUDES TOTAL FOR PREVIOUS MONTH. DATA. O.S. DEPARTMENT OF COMMERCE NATIONAL CLIMATIC DATA CENTER NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION ANNUAL CLIMATOLOGICAL SUMMARY FEDERAL ASHEVILLEUINORTH CAROLINA 28801 STATION IDENTIFICATION 31015923 MOUNT MITCHELL NORTH CAROLINA ELEVATION 6240 FT. ABOVE SEA LEVEL LAT. 35 46N. LONG. 82 16 DATE TEMPERATURE ( ° F ) PRECIPITATION ( INCHES ) NUMBER OF DAYS SNOW, SLEET NO. OF DE DEPART. HEATING COOLING , DEPART. GREATEST MEAN MEAN MEAN FROM DEGREE DEGREE MAX MAX MIN MIN TOTAL FROM OBSERVED DATE TOTAL MAX DATE YR. MO. MAXIMUM MINIMUM NORMAL DAYS DAYS HIGHEST DATE LOWEST DATE a 90° c 32° c 12° c 00 NORMAL DAY FALL DEPTH ?.10 1%50 • 92 1 37.2 21 .1 29.2 1104 0 49 7 -10 16 0 7 27 1 5.87 M 2.58 3 17.5 6 3 6 4 92 2 41 .0 24.7 32.9 928 0 52 3 4 3 0 3 22 0 5.73 H 1 .37 15 9.0 3 17 8 4 92 3 40.0 23.5 31 .8 1023 0 58 2 1 11 0 12 22 0 7.47 M 2.41 6 29.5 10 27 15 3 92 4 48.0 32.2 40.1 739 0 61 23+ 7 3 0 5 13 0 9.39 M 4.19 20 11 .0 3 5+ 11 2 92 5 53.5 38.6 46.1 580 0 _ 66 24 22 7 0 1 7 0 11 .95 M 3.56 8 30.0 24 9+ 13 7 92 6 59.3 46.6 53.0 353 0 68 - 8+ 35 1 0 0 0 0 9.81M M 3.88 4 .0, 0 10 5 92 7 65.7 50.6 58.2 205 0 74 13+ 38 8 0 0 0 0 3.31 M .98 23 .0 0 8 2 92 8 61 .8 50.2 56.0 273 0 71 11 39 29 0 0 0 0 11 . 12 M 3.53 28 .0 0 13 5 92 9 62.0 48.9 55.5 277 0 69 10 36 24 0 0 J 0 3.01 M .73 27 .0 0 7 3 92 10 52.5 36.2 44.4 631 0 .64 16: • 17 19 0 1 6 0 7.73 M 2.41 4 1 .0 OT 31+ 7 4 92 11 44. 1 30.8 37.5 817 0 53 10+ , 12 16 0 5 14 0 13.46 M 2.75 22 .OT OT 30+ 12 7 92 12 39.0 23.4 31 .2 1040 0 56 30 4 6 0 9 23 0 6.61 M 2.21 17 14.5M 10 11 9 6 Ate' 50.3 35.6 43.0 7970 0' 74 'JUL -10 JAN 0 43 134 1 95.46MI M 4.19 APR 112.5M 24 MAY 119 52 i • M MISSING DATA. APPEARS WITH MONTHLY • OCCURRED ON ONE OR MORE PREVIOUS 8 ADJUSTED MONTHLY OR ANNUAL VALUE DATA WHEN LESS THAN 10 DAYS ARE DATES DURING THE MONTH. TOTAL CONTAINS ESTIMATED VALUE'S{ MISSING, ANO IT APPEARS ALONE IF FOR MISSING DATA. 10 OR MORE DAYS ARE MISSING. 1T - APPEARS WITH AMAIAL DATA, WHEN T TRACE A AMOUNT PRECIPITATION MAY INCLUDE DEI.IYEO FROM MONTHS WITH MISSING PRECIPITATION THAT OCCURRED DURING . DATA. V INCLUDES TOTAL FOR PREVIOUS MONTH. THE PREVIOUS MONTHS. - _ - � - k s I • U.S. DEPARTMENT OF COMMERCE NATIONAL CLIMATIC DATA CENTER NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION ANNUAL I IL CLIMATOLOGICAL I SUMMARY) Q I I FEDERAL BUILDING ASHEVILLE. NORTH CAROLINA 28801 STATION IDENTIFICATION 31015923 MOUNT MITCHELL NORTH CAROLINA ELEVATION 6240 FT. ABOVE SEA LEVEL LAT. 35 46N--LONG. 82 16 DATE . TEMPERATURE ( ° F ) PRECIPITATION ( INCHES ) NUMBER OF DAYS SNOW, SLEET NO. OF DI DEPART. HEATING COOLING DEPART. GREATEST - MEAN MEAN MEAN FROM DEGREE DEGREE MAX MAX MIN MIN TOTAL FROM OBSERVED DATE TOTAL MAx DATE YR. $3. MAXIMUM MINIMRM NORMAL OATS OATS HIGHEST DATE LOWEST DATE > 900 < 32° < 32° I OP NORMAL DAY FALL DEPTH _.10 !.SO 93 1 40.2 26.8 33.5 970 0 52 1 10 25 0 4 21 0 6.90 M 1 .79 5 .6.011 3 17 10 5 93 2 35.2 18.6 26.9 1059 0 50 9 -2 19 0 12 28 1 4.07 M 1 .91 12 20.5 8 26 7 2 93 3 37.1 22.8 30.0 1081 0 54 31+ -7 14 0 8 24 2 12.40 M 3.60 13 64.5 50 14 15 6 93 4 49.7 30.8 40.3 735 0 62 14 11 22 0 1 16 0 5.52 M 1 .46 10 21 .0 14 6 10 4_ 93 5 58.2 43.0 50.6 440 0 65 25+ 27 22 0 0 3 0 7.54 M 4.98 4 .0T 01 31+ 10 3 • 93 6 66.1 50.3 58.2 195 0 74 9 38 1 0 0 0 0 2.75 M .93 12 .0 0 5 2 93 7 72.1 56.1 64.1 42 17 75 25+ 45 31 0 0 0 0 4.55 M 1 .96 17 .0 0 10 2 93 8 66.8 53.1 60.0 151 0 73 29+ 47 10 0 0 0 0 3.83 M 1 .40 6 .0 0 8 2 • 93 9 64.0 47.8 55.9 268 0 72 1 24 30 0 0 2 0 2.53 M 1 . 10 9 .0 0 5 2 93 10 57,9 38.4 48.2 515 0 67 19 18 31 0 0 6 ' 0 2.05 M .97 30 2.0 2 31 6 1 93 11 47.0 29.4 38.2 796 0 58 24 12 1 0 1 20. 0 4.28 M 2.53 27 3.0 3 1 6 2' 93 12 35.3 19.9 27.6 1152 0 47 10+ -3 26 0 11 20 2 7.73M M 2.77 5 47.0 29 26 12 7 AMN' 52.5 36.4 44.5 7404 17 75 JUL -7 MAR 0 37 148 5 64.15M M 4.98 MAY 164.0M 50 MAR 104 38 I MISSING DATA. 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VVN.D .O.OV+ JV02 000+ O'v0J 3 • - • • TV wQ W0 +N WO ++De, p'Ulaa• Avfm+ 0.000 00 0+ 0 0m0 OOmN W WOO CO rn n.T VIa' N+ ANO0 O'mW+ Z.DONv OVNN NW+V1 WwA+ Q`0 a'.0 A00,1 • - MAY-22=95 MON 11 :59 NAT'L CLIMATIC DATA FAX NO.. 7042714876 P, 09 NORTH CAROLINA PRECIPITATION NORMALS ( INCHES ) STATION JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN ROCKY MOUNT 6 SW NORMAL 3.78 3.68 3.98 2.95 3.87 4.26 4,19 4.75 3.71 2.85 2.94 3.2B 44.24 MEDIAN 3.72 3.99 3.80 2.62 3.73 3.94 3.59 3.96 2.95 2.47 2.28 • 3.14 43.51 ROCKY MOUNT 8 ESE NORMAL 3.90 3.86 4.13 3.21 3.89 4.36 4.89 4,77 3.77 2.81 2.78 3.32 45.69 MEDIAN 3.64 3.92 4.10 2.95 3.50 3.85 4.80 4.39 3.43 1.88 2.48 3.39 45.88 ROSMAN NORMAL 6.46 6.37 8.02 5.74 7,09 6.86 7.29 7.36 6.25 6.42 6.72 7.27 81.85 MEDIAN 6.03 6.93 7.31 5.66 5.91 5.33 6.86 5.74 5.79 5.67 6.58 6.68 78.92 ROUGEMONT NORMAL 3.68 3.41 4.09 3.19 4.17 3.69 4.35 4.07 3,22 3.56 3.29 3.28 44.00 MEDIAN 3.29 3.73 3.94 3.27 3.92 3.06 3,87 3.69 3.10 3.31 2.51 3.33 43.93 ROXBORO NORMAL 3.64 3.50 3.83 2.93 3.81 3.77 4.59 4.50 3.49 3.66 3.26 3.36 44.34 MEDIAN 3.34 3.54 3.55 2.91 3.72 3,62 3.95 4.13 3.14 3.39 2.85 3.21 45.01 SALISBURY NORMAL 3.33 3.91 4.13 3.16 3.92 4.20 4.02 3.65 3.35 3.76 3.11 3.47 44.01 MEDIAN 3.21 3.93 3.86 3.27 3.73 3.34 3.44 3.22 3.45 2.95 2.83 3.42 42.43 SALISBURY 9 WNW NORMAL 3.43 3.58 4.21 3.15 4.17 4.32 3.61 3.74 3.64 3.93 3.21 3.48 44.47 MEDIAN 3.21 3.62 3.96 3.16 3.83 4.13 3.48 3.07 3.45 3.28 2.88 3.26 45.13 SCOTLAND NECK NORMAL 4.04 3.84 3.99 3.19 3,93 4.54 4.69 4.47 3.96 3.05 2.86 3.31 45.87 MEDIAN 3.81 4.14 4.06 2.93 3.66 3.51 3.82 4.78 3.41 2.20 2.43 3.00 46.51 SHELBY 2 NNE NORMAL 3.86 3.94 4.74 3.31 4.35 4.31 4.25 4.42 3.77 3.75 3.39 3.98 48.07 MEDIAN 3.50 4.45 4.41 2.73 4.16 3.91 4.24 4.23 3.95 2.84 3.13 3.26 48.26 SILER CITY 2 S NORMAL 4.01 3.97 4.37 3.17 4.50 3.95 4,85 4.81 3.52 3.72 3.19 3.46 47.52 e MEDIAN 4.02 4.11 4.22 2.93 3.99 3.29 3.88 4.33 2.90 3.79 2.40 3.35 46.30 SMITHFIELD NORMAL 3.97 3.98 4.30 3.14 4.12 3.97 5.48 4.52 4.06 3.11 3.04 3.24 46.93 MEDIAN 3.85 4.18 4.18 2.93 3.87 3.42 4.79 4.54 3.62 2.16 2.49 3.33 47.60 SOUTHPORT 5 N NORMAL 4.73 4.37 4.44 3.04 4.01 4.89 6.93 7.10 6.83 3.31 3.30 4.07 57.02 MEDIAN 4.67 4.08 4.09 2.48 3.72 5.08 6.65 7.06 5.28 3.33 2.30 4.00 58.95 SPARTA 3 SSW NORMAL 3.26 3.84 4.88 4.20 5.27 3.98 4.59 4.43 4.26 4.75 4.43 3.42 51.31 MEDIAN 2.70 3.87 4.06 3.89 4.79 3.02 3.87 3.98 3.42 3.93 4.55 3.06 50.45 STATESVILLE 2 NNE NORMAL 3.40 3.79 4.43 3.06 4.41 4.57 3.79 3.97 3.85 3.67 3.31 3.87 46.12 MEDIAN 3.03 3.70 4.53 3.31 4.13 4.08 4.00 3.93 4.14 3.13 3.13 3.95 45.73 SWANNANOA 2 E NORMAL 3.03 3.50 4.42 3.44 4.49 3.90 4.78 3.93 3.70 3.47 3.48 3.01 44.55 MEDIAN 2.90 3.58 3.80 3.38 4.29 3.63 3.98 3.12 3.45 2.91 3.17 2.82 44.35 TAPOCO NORMAL 5.24 5.22 6.15 4.72 5.35 5.00 6.39 5.04 4.08 3.42 4.29 4.99 59.89 MEDIAN 4.93 5.59 5.38 4.83 5.13 4.48 5.85 4.84 3.92 2.77 4.38 4.49 59.51 TARBORO 1 S NORMAL 3.99 3.86 4.06 3.08 3.92 4.14 4.57 5.12 3.98 2.90 2.76 3.24 45.62 MEDIAN 3.57 4.00 4.28 2.93 3.70 3.49 4.36 4.73 3.70 2.03 2.45 3.33 45.13 TRANSOU NORMAL 3.49 4.04 5.23 4.40 5.42 4.62 4.87 4.50 4.71 '5.06 4.55 3.84 54.73 MEDIAN 3.48 4.08 4.52 4.33 4.55 3.99 4.53 .3.77 4.40 4.07 4.67 3.62 -53746 TRENTON NORMAL 4.48 3.77 4.07 3.55 4.51 5.24 6,41 6.40 4.48 2.82 2.94 3.55 52.22 MEDIAN 4.46 3.41 3.94 3.21 4.60 4.71 6.96 5.88 3.84 2.32 2.49 3.56 53.79 TRYON NORMAL 5.22. 5.44 6.51 4.69 5.89 5.71 5.30 5.91 5.39 5.36 4.77 5.12 65.31 MEDIAN 4.87 5.70 6.17 3.91 6.00 5.60 4.78 4.64 4.38 4.44 4.50 4.70 62.79 r TURNERSBURG NORMAL 3.58 3.87 4.34 3.10 4.62 4.35 4.06 4,28 3.86 3.96 3.17 3.70 46.89 MEDIAN 3.32 4.22 4.30 3.18 4;81 4.31 3.49 4.24 4.21 3.51 3.08 3.65 48.50 WADESBORO NORMAL 4.22 4.03 4.51 2.65 3.96 4.28 5.26 4.67 3,74 3.42 2.92 3.45 47.11 MEDIAN 3.98 4.14 4.33 2.48 4.01 4.28 4.53 4.10 3.46 2.25 2.70 3.35 45.30 WARSAW 5 3 NORMAL 4.03 3.72 4.17 3.37 4.73 4.79 6.94 5.98 4.05 2.88 3.00 3.40 51.06 MEDIAN 4.06 3.88 3.96 3.31 4.35 4.36 6.96 5.79 3.47 2.30 2.68 3.47 52.69 NASHINGTON MAIN ST NORMALI 3.87 3.90 3.90 3.44 4.36 4.59 5.46 5.74 4.09 2.36 2.91 3 3.13 .28 51.38 WATERVILLE 2 NORMAL 3.39 3.79 4.59 3.89 4.69 4.48 5.28 4.43 3.58 2.60 3.22 3.46 47.40 MEDIAN 3.17 4.08 4.14 3.78 4.51 4.13 5.09 4.13 3.28 2.05 3.30 3.34 47.66 WAYNESVILLE 1 E NORMAL 3.88 4.40 5.28 3.61 4.26 3.56 3.98 4.15 3.40 2.97 3.56 4.14 47.19 MEDIAN 3.78 4.79 4.59 3.17 4.16 3.15 3.34 4.04 3.30 2.57 3.44 4.10 47.51 WHITEVILLE 7 NW NORMAL 3.82 3.76 4.41 3.03 4.56 5.08 6.07 4.86 4.35 2.73 2.90 3.16 48.73 MEDIAN 3.75 3.68 4.03 3.02 4,50 4.98 5.59 4.43 4.02 1.95 2.56 3.30 49.08 WILKESBORO 2 W NORMAL 3.61 3.92 4.73 3.89 4.56 4.95 4.55 4.88 4.31 4.13 3.57 3.58 50.68 MEDIAN 3.55 4.14 4.37 3.16 4.77 4.64 4.19 4.23 4.13 3,38 3.29 3.36 50.10 WILLARD 4 SW NORMAL 4.26 3.76 4.18 3.00 4.63 5.36 8.02 6.23 4.73 2.65 2.95 3.27 53.04 MEDIAN 3.92 3.75 3.98 3.18 4.57 4.27 7.93 5.46 4.37 2.31 2.39 3.42 53.83 WILLIAM 0 HUSKE L & 0 NORMAL 3.76 3.63 4.34 2.72 3.66 4.36 6.09 5.74 4.29 2,78 2.89 3.28 47.54 MEDIAN 3.63 3.88 4.19 2.43 3.56 4.48 5.55 5.64 3.47 2.01 2.83 2.85 47.64 NILLIAMSTON 1 E NORMAL 4.08 3.59 3.98 3.21 4.44 4.37 5.46 5.38 4.31 3.34 2.78 3.13 48.07 MEDIAN 3.95 3.57 3.81 3.11 4.43 3.98 4.43 4.26 3.84 2.53 2.56 3.25 47.44 WILMINGTON WS0 AP NORMAL 3.87 3.70 3.88 2.87 4.43 5.98 8.13 6.94 5.04 2.69 3.11 3.63 54.27 MEDIAN 3.80 3.63 3.77 2.30 3.81 5.30 B.18 5.65 4.83 1,71 2.23 3.58 57.06 WILMINGTON 7 N NORMAL 4.32 3.89 4.24 3.18 4.70 5.41 8.30 7.40 5.11 2.68 3.12 3.80 56.15 MEDIAN 4.28 3.44 3.92 3.27 4.66 4.98 8.49 6.31 4.65 2.37 2.53 3.73 55.31 WILSON 3 SW NORMAL 3.88 3.83 4.21 3.18 4.10 4.29 5.22 5.20 3.73 2.79 3.05 3.48 46.96 MEDIAN 3.61 4.01 4.17 3.15 3.78 3.73 4.58 4.54 3,75 1.89 2.64 3.50 46.78 YADKIN COLLEGE NORMAL 3.60 3.53 4.17 3.15 4.31 3.84 '3.81 3.47 3.10 3.80 3.04 3.43 43.25 MEDIAN 3.17 3.60 3.81 3.11 3.86 3,78 3.50 3.18 2.86 3.05 2.82 2.98 42.36 ARQ 1 a, ot.",*,5slp7 �4CaL J a ise 5 TABLE OF CONTENTS POP��O-8t��,quail±+: V°�`%`�! Section 01000 - General Scope of the Work 1 Section 01001 - General Requirements 2 Section 02050 - Demolition 13 Section 02100 - Site Preparation 16 Section 02200 -Earthwork 19 Section 02221 -Excavation,Backfilling and Compacting for Structure 25 Section 02222 -Excavation, Backfilling and Compacting for Utilities 29 Section 02229 -Rock Removal 33 Section 02230 -Aggregate Base Course 35 Section 02510 -Asphaltic Concrete Pavement Patch 44 Section 02660 - Water Distribution Systems 47 Section 02730 - Sanitary Sewer 51 Section 02740 -Pumping System 53 Section 02743 - Septic Tank and Dosing Tank 57 Section 02745 -Drip Irrigation Equipment 59 Section 02930 - Seeding 61 SECTION 01000 GENERAL SCOPE OF THE WORK 1.01 SCOPE OF WORK A. The project consists of the construction of a waste water drip irrigation disposal system, and improvements to the existing sewage collection and disposal systems, and replacements of the existing 2"water main at Mt. Mitchell State Park,North Carolina. All work shown and specified in the drawings and specifications shall be furnished and installed complete in place,ready for use. B. All work shall be done in strict accordance with: 1. The Contract. 2. The drawings, including approved shop drawings. 3. The Specifications and addenda. 4. The "General Conditions". 5. The change orders and directives issued by the Owner and/or Designer. 6. The North Carolina State Building Code, all governing laws, ordinances, rules,permits, regulations and directives from governing authorities having jurisdiction over the work. 1 SECTION 01001 GENERAL REQUIREMENTS PART 1 GENERAL 1.01 SCHEDULE OF VALUES A. Submit schedule on contractor's standard form, or electronic media printout will be considered. B. Submit Schedule of Values in duplicate within seven days after date of Owner- Contractor Agreement. 1.02 APPLICATIONS FOR PAYMENT A. Submit two copies of each application. B. Content and Format: Utilize Schedule of Values for listing items in Application for Payment. Format shall be as per Article 31 of the General Conditions of the contract. C. Payment Period: Monthly, as per Article 31 of the General Conditions of the contract. 1.03 CHANGE PROCEDURES A. See Article 19 of the General Conditions of the contract. B. Change Order Forms: Form OC-24. 1.04 ALTERNATES A. Alternates quoted on Bid Forms will be reviewed and accepted or rejected at the Owner's option. B. Coordinate related Work and modify surrounding Work as required. C. Schedule of Alternates: See Item 6 of the Supplementary General Conditions. 1.05 COORDINATION A. Coordinate scheduling, submittals, and Work of the various sections of specifications to ensure efficient and orderly sequence of installation of interdependent construction elements. 2 B. Verify utility requirement characteristics of operating equipment are compatible with building utilities. C. Coordinate space requirements and installation of mechanical and electrical work which are indicated on Drawings. Follow routing shown for pipes, ducts, and conduit, as closely as practicable. D. In finished areas, conceal pipes, ducts, and wiring within the construction. 1.06 FIELD ENGINEERING A. Employ a Land Surveyor to locate a reference datum and to protect survey control points and reference points. B. Establish elevations, lines, and levels and certify that elevations and locations of the Work conform with the Contract Documents. C. Verify that field measurements are as indicated on shop drawings or as instructed by the manufacturer. 1.07 PRECONSTRUCTION MEETINGS A. The Designer will schedule a preconstruction meeting after Notice of Award for all affected parties. B. When required in individual specification section, convene a preinstallation meeting at Project site prior to commencing work of the section. 1.08 PROGRESS MEETINGS A. See Article 14, item d., of the General Conditions of the contract. 1.09 CUTTING AND PATCHING A. Employ a skilled and experienced installer to perform cutting and patching new Work. B. Execute cutting, fitting, and patching to complete Work, and to: 1. Fit the several parts together, to integrate with other Work. 2. Uncover Work to install or correct ill-timed Work. 3. Remove and replace defective and non-conforming Work. 4. Remove samples of installed Work for testing. 5. Provide openings in elements of Work for penetrations of mechanical and electrical Work. 3 C. Cut masonry and concrete materials using masonry saw or core drill. Restore Work with new Products in accordance with requirements of Contract Documents. D. Fit Work tight to adjacent elements. Maintain integrity of wall, ceiling, or floor construction; completely seal voids. E. Fit Work tight to pipes, sleeves, ducts, conduit, and other penetrations through surfaces. F. Refinish surfaces to match adjacent finishes. 1.10 SUBMITTAL PROCEDURES A. Submittal form to identify Project, Contractor, Subcontractor or supplier; and pertinent Contract Document references. B. Apply Contractor's stamp, signed or initialed, certifying that review, verification of Products required, field dimensions, adjacent construction Work, and coordination of information is in accordance with the requirements of the Work and Contract Documents. C. Identify variations from Contract Documents and Product or system limitations which may be detrimental to successful performance of the completed Work. D. Revise and resubmit submittals as required; identify all changes made since previous submittal. 1.11 CONSTRUCTION PROGRESS SCHEDULES A. Submit initial progress schedule in duplicate within 30 days after award date for Designer review. B. Submit revised schedules with each Application for Payment, identifying changes since previous version. Indicate estimated percentage of completion for each item of Work at each submission. 1.12 PROPOSED PRODUCTS LIST A. Within 15 days after date of Notice to Proceed, submit list of major Products proposed for use, with name of manufacturer, trade name, and model number of each product. 1.13 PRODUCT DATA 4 A. Product Data for Review: 1. Submitted to the Designer for review for the limited purpose of checking for conformance with information given and the design concept expressed in the contract documents. B. Product Data For Information: 1. Submitted for the Designer's benefit as contract administrator or for the Owner. C. Product Data For Project Close-out: 1. Submitted for the Owner's benefit during and after project completion. D. Submit the number of copies which the Contractor requires,plus two copies which will be retained by the Designer. E. Mark each copy to identify applicable products,models, options, and other data. Supplement manufacturers' standard data to provide information unique to this project. 1.14 SHOP DRAWINGS A. Shop Drawings For Review: 1. Submitted to the Designer for review for the limited purpose of checking for conformance with information given and the design concept expressed in the Contract Documents. B. Shop Drawings For Information: 1. Submitted for the Designer's benefit as contract administrator or for the Owner. C. Shop Drawings For Project Close-out: 1. Submitted for the Owner's benefit during and after project completion. D. Submit the number of opaque reproductions which Contractor requires,plus two copies which will be retained by the Designer. 1.15 SAMPLES A. Samples For Review: 1. Submitted to the designer for review for the limited purpose of checking for conformance with information given and the design concept expressed in the contract documents. B. Samples for Information: 5 1. Submitted for the Designer's benefit as contract administrator or for the Owner. C. Samples For Selection: 1. Submitted to the Designer for aesthetic, color, or finish selection. 2. Submit samples of finishes from the full range of manufacturers' standard colors,textures, and patterns for the Designer's selection. D. Submit samples to illustrate functional and aesthetic characteristic of the Product. E. Submit samples of finishes from the full range of manufacturers' standard colors, textures, and patterns for the Designer's selection. 1.16 MANUFACTURER INSTALLATION INSTRUCTIONS A. When specified in individual specification sections, submit manufacturer printed instructions for delivery, storage, assembly, installation, start-up, adjusting, and finishing, in quantities specified for Product Data. 1.17 MANUFACTURER CERTIFICATES A. When specified in individual specification sections, submit certifications by manufacturer to the Designer, in quantities specified for Product Data. B. Indicate material or Product conforms to or exceeds specified requirements. Submit supporting reference data, affidavits, and certifications as appropriate. 1.18 QUALITY ASSURANCE - CONTROL OF INSTALLATION A. Monitor quality control over suppliers, manufacturers, Products, services, site conditions, and workmanship, to produce Work of specified quality. B. Comply with manufacturers' instructions. C. Comply with specified standards as minimum quality for the Work except when more stringent tolerances, codes, or specified requirements indicate higher standards or more precise workmanship. 1.19 EXAMINATION A. Verify that existing site conditions and substrate surfaces are acceptable for subsequent Work. Beginning new Work means acceptance of existing conditions. 4 6 B. Verify that utility services are available, of the correct characteristics, and in the correct location. 1.20 PREPARATION A. Clean substrate surfaces prior to applying next material or substance. B. Apply manufacturer required or recommended substrate primer, sealer, or conditioner prior to applying new material or substance in contact or bond. 1.21 TOLERANCES A. Monitor fabrication and installation tolerance control of installed Products over suppliers,manufacturers, Products, site conditions, and workmanship, to produce acceptable Work. Do not permit tolerances to accumulate. B. Comply fully with manufacturers' tolerances. 1.22 REFERENCES A. Conform to reference standards by date of issue current as of date of Contract Documents. B. Should specified reference standard conflict with Contract Documents,request clarification from the Designer before proceeding. 1.23 INSPECTION AND TESTING LABORATORY SERVICES A. See General Conditions of the Contract, Article 13. 1.24 MANUFACTURERS' FIELD SERVICES AND REPORTS A. When specified in individual specification sections, require material or Product suppliers or manufacturers to provide qualified staff personnel to observe site conditions and to initiate instruction when necessary. B. Report observations and site decisions or instructions that are supplemental or contrary to manufacturers' written instruction. 1.25 TEMPORARY ELECTRICITY A. Contractor shall provide and pay for power service required from source. B. Provide power outlets for construction operations, branch wiring, distribution boxes, and flexible power cords as required. 7 1.26 TEMPORARY LIGHTING FOR CONSTRUCTION PURPOSES A. Provide and maintain temporary lighting for construction operations. B. Provide branch wiring from power source to distribution boxes with lighting conductors,pigtails, and lamps as required. 1.27 TEMPORARY HEAT A. Provide heating devices and heat as needed to maintain specified conditions for construction operations. B. Maintain minimum ambient temperature of 50 degrees F in areas where construction is in progress, unless indicated otherwise in specifications. 1.28 TEMPORARY VENTILATION A. Ventilate enclosed areas to assist cure of materials,to dissipate humidity, and to prevent accumulation of dust, fumes, vapors, or gases. 1.29 TELEPHONE SERVICE A. Provide,maintain and pay for telephone and telephone facsimile service to field office at time of project mobilization. Allow the Designer incidental use. 1.30 TEMPORARY WATER SERVICE A. Provide, maintain and pay for suitable quality water service required. 1.31 TEMPORARY SANITARY FACILITIES A. Provide and maintain required facilities and enclosures. B. Maintain in clean and sanitary condition. 1.32 BARRIERS AND FENCING A. Provide construction fencing to prevent unauthorized entry to construction areas and to protect existing facilities and adjacent properties from damage. 1.33 WATER CONTROL A. Maintain excavations free of water. Provide, operate, and maintain pumping equipment. 8 B. Provide erosion control. 1.34 EXTERIOR ENCLOSURES A. Provide temporary weather tight closures to exterior openings to permit acceptable working conditions and protection of the Work. 1.35 PROTECTION OF INSTALLED WORK A. Protect installed Work and provide special protection where specified in individual specification sections. B. Prohibit traffic or storage upon waterproofed or roofed surfaces. 1.36 SECURITY A. Provide security and facilities to protect Work and existing facilities, and Owner's operations from unauthorized entry, vandalism, or theft. 1.37 ACCESS ROADS A. Existing on-site roads shall be used for construction traffic. 1.38 PARKING A. Arrange for temporary parking areas to accommodate construction personnel. 1.39 PROGRESS CLEANING AND WASTE REMOVAL A. Collect and maintain areas free of waste materials, debris, and rubbish. Maintain site in a clean and orderly condition. 1.40 REMOVAL OF UTILITIES, FACILITIES, AND CONTROLS A. Remove temporary utilities, equipment, facilities, materials,prior to Final Application for Payment review. B. Clean and repair damage caused by installation or use of temporary work. C. Restore existing facilities used during construction to original condition. Restore permanent facilities used during construction to specified condition. 1.41 PRODUCTS 9 A. Products: Means new material, machinery, components, equipment, fixtures, and systems forming the Work, but does not include machinery and equipment used for preparation, fabrication, conveying and erection of the Work. Products may also include existing materials or components specifically identified for reuse. B. Do not use materials and equipment removed from existing premises, except as specifically identified or allowed by Contract Documents. C. Provide interchangeable components of the same manufacture for components being replaced. 1.42 TRANSPORTATION, HANDLING, STORAGE AND PROTECTION A. Transport, handle, store, and protect Products in accordance with manufacturer's instructions. 1.43 SUBSTITUTIONS A. Designer will consider requests for Substitutions only within 15 days after date established in Notice to Proceed. No substitutions will be allowed for the Perc Rite equipment and dripper line. 1.44 STARTING SYSTEMS A. Provide seven days notification prior to start-up of each item. B. Ensure that each piece of equipment or system is ready for operation. C. Execute start-up under supervision of responsible persons in accordance with manufacturers' instructions. D. Submit a written report that equipment or system has been properly installed and is functioning correctly. 1.45 DEMONSTRATION AND INSTRUCTIONS A. Demonstrate operation and maintenance of Products to Owner's personnel two weeks prior to date of final review. B. Demonstrate start-up, operation, control, adjustment,trouble-shooting, servicing, maintenance, and shutdown of each item of equipment at agreed-upon times, at equipment location. 1.46 CONTRACT CLOSE-OUT PROCEDURES 10 A. Submit written certification that Contract Documents have been reviewed, Work has been inspected, and that Work is complete in accordance with Contract Documents and ready for the Designer's inspection. B. Submit final Application for Payment identifying total adjusted Contract Sum/Price, previous payments, and amount remaining due. 1.47 FINAL CLEANING A. Execute final cleaning prior to final inspection. B. Clean interior and exterior surfaces exposed to view. Vacuum carpeted and soft surfaces. C. Clean debris from site,roofs, gutters, downspouts, and drainage systems. D. Clean/Replace filters of operating equipment. E. Remove waste and surplus materials, rubbish, and construction facilities from the site. 1.48 ADJUSTING A. Adjust operating Products and equipment to ensure smooth and unhindered operation. 1.49 PROJECT RECORD DOCUMENTS A. Maintain on site one set of Contract Documents to be utilized for record documents. B. Record actual revisions to the Work. Record information concurrent with construction progress. C. Specifications: Legibly mark and record at each Product section a description of actual Product installed. D. Record Documents and Shop Drawings: Legibly mark each item to record actual construction. E. Submit documents to the designer with claim for final Application for Payment. 1.50 OPERATION AND MAINTENANCE DATA 11 A. Submit two sets prior to final inspection,bound in 8-1/2 x 11 inch(216 x 279 mm)text pages,three D side ring binders with durable plastic covers. B. Prepare binder cover with printed title "OPERATION AND MAINTENANCE INSTRUCTIONS" and title of project. C. Internally subdivide the binder contents with permanent page dividers, logically organized, with tab title clearly printed under reinforced laminated plastic tabs. D. Contents: 1. Part 1: Directory, listing names, addresses, and telephone number of Designer, Contractor, Subcontractors, and major equipment suppliers. 2. Part 2: Operation and maintenance instruction, arranged by system. 3. Part 3: Project documents and certificates. 1.51 SPARE PARTS AND MAINTENANCE MATERIALS A. Provide Products, spare parts, maintenance and extra materials in quantities specified in individual specification sections. B. Deliver to Project site and place in location as directed; obtain receipt prior to final payment. 1.52 WARRANTIES A. Provide duplicate notarized copies. B. Execute and assemble transferable warranty documents from Subcontractors, suppliers, and manufacturers. C. Submit prior to final Application for Payment. PART 2 PRODUCTS Not Used. PART 3 EXECUTION Not Used. END OF SECTION 12 SECTION 02050 DEMOLITION PART 1 GENERAL 1.01 SECTION INCLUDES A.. Demolition of designated site structures, retaining walls, foundations, and removal of materials from site. B. Disconnecting and capping or removal of identified utilities. C. Filling or removal of underground tanks and piping. D. Filling voids in subgrade created as a result of removals or demolition. 1.02 PROJECT RECORD DOCUMENTS Accurately record actual locations of capped utilities, and subsurface obstructions. 1.03 REGULATORY REQUIREMENTS A. Conform to applicable local code for demolition of structures, safety of adjacent structures, dust control and runoff control. B. Obtain required permits and licenses from authorities. Pay associated fees including disposal charges. The cost of these permits shall be included in the contract amount. 1.04 JOB CONDITIONS A. Conditions existing at time of inspection for bidding purposes will be maintained by Owner in so far as practicable. B. Items of salvageable value to Contractor may be removed from structure. Storage or sale of removed items on site will not be permitted and shall not interfere with other work specified in the contract documents. C. Explosives shall not be brought to site or used without written consent of authorities having jurisdiction. Such written consent will not relieve Contractor of total responsibility for injury to persons or damage to property due to blasting operations. The performance of any required blasting shall comply with governing regulations. 13 PART 2 PRODUCTS 2.01 FILL MATERIALS PART 3 EXECUTION 3.01 PREPARATION A. Provide, erect, and maintain temporary barriers. B. Protect existing landscaping materials, appurtenances and structures which are not to be demolished. Repair damage caused by demolition operations at no cost to Owner. C. Prevent movement or settlement of adjacent structures. Provide bracing and shoring. D. Mark location of utilities. Protect and maintain in safe and operable condition the utilities to remain. Prevent interruption of existing utility service. 3.02 DEMOLITION REQUIREMENTS A. Conduct demolition to minimize interference with adjacent structures or pavements. B. Cease operations immediately if adjacent structures appear to be in danger.Notify designer. Do not resume operations until directed. C. Conduct operations with minimum interference to public or private access. Maintain access and egress at all times. D. Sprinkle Work with water to minimize dust. Provide hoses and water connections for this purpose. E. Comply with governing regulations pertaining to environmental protection. F. Clean adjacent structures and improvements of dust, dirt, and debris caused by demolition operations. Return adjacent areas to condition existing prior to start of work. 3.03 DEMOLITION A. All asphalt pavement to be removed shall be sawcut on a straight line ine along the contact line with the existing pavement to remain. 14 B. All existing landscaping within the limits of the removal area is to be removed and disposed off-site, except as indicated on the plans. 3.04 FILLING BASEMENTS AND VOIDS A. Completely fill below grade areas and voids resulting from demolition or removal of structures using approved select fill materials consisting of stone, gravel, and sand, less than 6" in diameter, and free from debris,trash, frozen materials,roots, and other organic matter. B. Insure that areas to be filled are free of standing water, frost, frozen, or unsuitable material, trash, and debris prior to fill placement. C. Place fill materials in horizontal layers not exceeding 8"in loose depth and compact each layer at optimum moisture content of fill material to 85%maximum density. D. Grade surface to match adjacent grades and to provide flow of surface drainage after fill placement and compaction. 3.05 DISPOSAL OF DEMOLISHED MATERIALS A. Remove from site debris, rubbish, and other materials resulting from demolition operations. B. No burning of any material, debris, or trash on-site or off-site will be allowed. C. Transport materials removed from demolition operations with appropriate vehicles and dispose off-site to areas which are approved fro disposal by governing authorities and appropriate property owners. Loads of materials shall be trimmed to prevent dropping along the route to and from the site. END OF SECTION 15 SECTION 02100 SITE PREPARATION PART 1 GENERAL 1.01 SECTION INCLUDES: A. Cleaning site of debris, grass, trees and other plant life in preparation for building excavation work. B. Protection of existing structures,trees or vegetation into the limits of the project and where so indicated on the construction drawings. 1.02 ENVIRONMENTAL REQUIREMENTS A. Construct temporary erosion control systems as shown on the plans or as directed by the engineer to protect adjacent properties and water resources from erosion and sedimentation. 1.03 JOB CONDITIONS A. Conditions existing at time of inspection for bidding purposes will be maintained by owner in so far as practical. B. Variations to conditions or discrepancy in actual conditions as they apply to site preparation operations are to be brought to the attention of the owner prior to the commencement of any site work. PART 2 PRODUCTS Not applicable. PART 3 EXECUTION 3.01 PREPARATION A. Verify that existing plant life and clearing limits are clearly tagged, identified and marked in such a manner as to insure their safety throughout construction operations. 3.02 PROTECTION A. Locate all existing underground utilities and protect them from damage. 16 B. Protect trees, plant growth and features designated to remain as final landscaped. C. Conduct operations with minimum interference to public or private accesses and facilities. Maintain access and egress at all times and clean or sweep any roadways daily or as required by the governing authority. At such times as deemed necessary by the owner, dust control shall be provided with sprinkling systems or equipment provided by the contractor. D. Protect bench marks,property corners and all other survey monuments from damage or displacement. If a marker needs to be removed it shall be referenced by a licensed land surveyor and replaced, as necessary, by the same. E. Provide traffic control as required, in accordance with the US Department of Transportation "Manual of Uniform Traffic Control Devices" and the state highway department requirements. 3.03 CLEARING A. Clear areas required for access to site and execution of work. B. Unless otherwise indicated on the drawings,remove trees, shrubs, grass, other vegetation, improvements, or obstructions interfering with installation of new construction. Removal includes digging out stumps and roots. Depressions caused by clearing and grubbing operations are to be filled to subgrade elevation to avoid water ponding. Satisfactory fill material shall be placed in horizontal layers not exceeding 8"loose depth, and thoroughly compacted per fill requirements of this section and Section 02200. C. Remove grass, trees, plant life, stumps and all other construction debris from the site to a dump site that is suitable for handling such material according to state laws and regulations. 3.04 TOPSOIL EXCAVATION A. Strip topsoil from areas that are to be filled, excavated, landscaped or regraded to such a depth that it prevents intermingling with underlying subsoil or questionable material. B. Cut heavy growths of grass from areas before stripping and remove with the rest of the cleared vegetative material. C. Topsoil shall consist of organic surficial soil found in depth of not less than 6". Satisfactory topsoil is reasonably free of subsoil, clay lumps, stones and other objects over 2" in diameter, weeds,roots, and other objectionable material. 17 D. Stockpile topsoil in storage piles in areas shown or where directed. Construct storage piles to freely drain surface water. Cover storage piles as required to prevent windblown dust. Dispose of unsuitable topsoil as specified for waste material, unless otherwise specified by owner. Excess topsoil shall be removed from the site by the Contractor unless specifically noted otherwise on the Drawings. END OF SECTION 18 SECTION 02200 EARTHWORK PART 1 GENERAL 1.01 SECTION INCLUDES A. Protection, modification and/or installation of utilities as sitework progresses paying particular attention to grade changes and any necessary staging of work. B. Cutting, filling and grading to required lines, dimensions, contours and proposed elevations for proposed improvements. C. Scarifying, compaction, drying and removal of unsuitable material to ensure proper preparations of areas for fills or proposed improvements. 1.02 REFERENCE STANDARDS A. American Society for Testing and Materials (ASTM) latest edition. D 698 Test for Moisture-Density Relations of Soils Using 5.5 lb. (2.5 kg) Rammer and 12-inch (304.8 mm) Drop (Standard Proctor) D 1556 Test for Density of soil in Place by the Sand Cone Method D 1557 Test for Moisture-Density Relations of Soils Using 10-1b. (4.5 kg) Rammer and 18-inch(457 mm) Drop (Modified Proctor) D 2167 Test for Density of Soil in Place by the Rubber Balloon Method D 2922 Tests for Density of Soil and Soil-Aggregate in Place by Nuclear Methods Shallow Depth) D 4318 Test for Plastic Limit, Liquid Limit, and Plasticity Index of Soils B. American Association of State Highway and Transportation Officials (AASHTO) latest edition T 88 Mechanical Analysis of Soils 1.03 ENVIRONMENTAL REQUIREMENTS A. Construct temporary erosion control systems as shown on the plans or as directed by the engineer to protect adjacent properties and water resources from erosion and sediment damage. 1.04 QUALITY ASSURANCE • 19 A. At the discretion of the Designer, an Independent Testing Laboratory selected and paid for by the owner, shall be retained to perform construction testing on site based on the following: 1. Building Subgrade Areas, including 10'-0" Outside Exterior Building Lines: In cut areas, not less than one compaction test for every 2,500 square feet. In fill areas, same rate of testing for each 8" lift(measured loose). 2. Areas of Construction exclusive of building subgrade: In cut areas, not less than one compaction test for every 10,000 square feet. In fill areas, same rate of testing for each 8" lift(measured loose). B. If compaction requirements are not complied with at any time during construction process, remove and recompact deficient areas until proper compaction is obtained at no additional expense to owner. C. At the discretion of the Designer, the following tests will be performed on each type of on-site or imported soil material used as compacted fill as part of construction testing requirements. 1. Moisture and Density Relationship: ASTM D 698 or ASTM D 1557. 2. Mechanical Analysis: AASHTO T-88 3. Plasticity Index: ASTM D 4318 D. At the discretion of the Designer, field density tests for in-place materials will be performed according to one of the following standards as part of construction testing requirements. 1. Sand-Cone Method: ASTM D 1556 2. Balloon Method: ASTM D 2167 3. Nuclear Method: ASTM D 2922 (Method B-Direct Transmission) E. Independent Testing Laboratory shall prepare test reports that indicate test location, elevation data, and test results. Owner, engineer, and contractor shall be provided with copies of reports within 96 hours of time test was performed. In event that any test performed fails to meet these Specifications, owner and contractor shall be notified immediately by independent testing laboratory. F. All costs related to retesting due to failures shall be paid for by the contractor at no additional expense to owner. Owner reserves the right to employ and 20 Independent Testing Laboratory and to direct any testing that is deemed necessary. Contractor shall provide free access to site for testing activities. 1.05 SUBMITTALS: NOT APPLICABLE 1.06 SCOPE A. Work Specified In This Section: Furnish all labor, material, equipment and services, and perform all operations in connection with providing all earthwork complete, as shown and specified. The work includes, but is not necessarily limited to the following: 1. Surveying, staking and layout. 2. Barricades, warning signs and lights. 3. Excavation, fill and backfill. 4. Removal and disposal of unsuitable and excess materials. 5. Erosion control, including temporary drain pipe. 6. Draining,pumping and disposing of water. 7. Dust control. 1.09 SOILS AND FOUNDATION INVESTIGATION A. Neither Engineer nor Owner makes any representations as to the character of the material at the site or the conditions to be encountered. No extra compensation will be allowed because of actual conditions encountered. B. Any information given the Contractor by the Owner or Engineer concerning the soil or geological condition of the site is not guaranteed as being uniformly representative of the conditions which may be encountered during construction. C. The Contractor shall investigate the conditions at the side and assume full responsibility as to all visible and available information concerning the character of earth,rock and other items that may be encountered during the course of the work. PART 2 PRODUCTS 2.01 MATERIALS 21 A. Excavated and re-used material for subsoil fill as specified herein. B. Aggregate fill as specified in Section 02227. C. Imported subsoil material approved by the owner and specified herein. D. Topsoil fill as specified in Section 02100. E. Acceptable stabilization fabrics as Geogrids: 1. Mirafi 500X or 600X 2. Phillips 66 Supac 6WS 3. Dupont Typar 3401 and 3601 4. Trevira S 1114 and S 1120 5. Tensar SS-1 and SS-2 6. Exxon GTF-200 or 350 F. Filter/Drainage Fabrics 1. Mirafi 14ONS 2. Phillips 66 Supac 4NP 3. Dupont Typar 3341 PART 3 EXECUTION 3.01 PREPARATION A. Identify required lines, levels, contours and datum. B. Locate all existing utilities and protect them from damage. C. Protect plant life, lawns, fences, existing structures, sidewalks,paving and curbs from excavating equipment and vehicular traffic. D. Protect benchmarks,property corners and all other survey monuments from damage or displacement. If a marker needs to be removed it shall be referenced by a licensed land surveyor and replaced, as necessary, by the same. 22 E. Remove from site material encountered in grading operations that, in opinion of owner or owner's representative, is unsuitable or undesirable for backfilling subgrade or foundation purposes. Dispose of in a manner satisfactory to owner. Backfill areas with layers of suitable material and compact as specified. 3.02 EXCAVATION FOR FILLING AND GRADING A. Classification of Excavation: Contractor by submitting bid acknowledges that he has investigated site to determine type, quantity, quality, and character of excavation work to be performed. Excavation shall be considered unclassified excavation. B. Perform excavation using capable, well-maintained equipment and methods acceptable to owner and governing agencies. C. When performing grading operations during periods of wet weather,provide adequate drainage and ground water management to control moisture of soils. D. Shore,brace, and drain excavations as necessary to maintain safe, secure, and free of water at all times. E. Excavated material containing rock or stone greater than 6" in largest dimension is unacceptable as fill to within the proposed building and paving area. F. Rock or stone less than 6"in largest dimension is acceptable as fill to within 24" of surface of proposed subgrade when mixed with suitable material. G. Rock or stone less than 2"in largest dimension and mixed with suitable material is acceptable as fill within the upper 2' of proposed subgrade. 3.03 FILLING AND SUBGRADE PREPARATION A. Fill areas to contours and elevations shown with unfrozen materials. B. Place in continuous lifts specified herein. C. Refer to Section 02221 for filling requirements for structures. D. Refer to Section 02223 for filling requirements for pavements. • E. Areas exposed by excavation or stripping and on which subgrade preparations are to be performed shall be scarified to minimum depth of 8" and compacted to minimum of 95% of optimum density, in accordance with ASTM D 698 (or 92% of optimum density, in accordance with ASTM D 1557), at moisture content of not less than 1%below and not more than 3% above the optimum moisture 23 content. These areas shall then be proofrolled to detect any areas of insufficient compaction. Proofrolling shall be accomplished by making a minimum of two (2) complete passes with a fully loaded tandem-axle dump truck, or approved equivalent, in each of the two perpendicular directions under the supervision and direction of a field geotechnical engineer. Areas of failure shall be excavated and recompacted as stated above. F. Fill materials used in preparation of subgrade shall be placed in lifts or layers not to exceed 8" loose measure and compacted to a minimum density of 95% of optimum density, in accordance with ASTM D 698, (or 92% of the optimum density, in accordance with ASTM D 1557) at a moisture content of not less than 1%below and not more than 3% above the optimum moisture content. 3.04 MAINTENANCE OF SUBGRADE A. Finished subgrades shall be verified to ensure proper elevation and conditions for construction above subgrade. B. Protect subgrade from excessive wheel loading during construction, including concrete trucks and dump trucks. C. Remove areas of finished subgrade found to have insufficient compaction density to depth necessary and replace in a manner that will comply with compaction requirements by use of material equal to or better than best subgrade material on site. Surface of subgrade after compaction shall be hard, uniform, smooth, stable, and true to grade and cross-section. 3.05 FINISH GRADING A. Grade all areas where finish grade elevations or contours are indicated on Drawings, other than paved areas and building, including excavated areas, filled and transition areas, and landscaped areas. Graded areas shall be uniform and smooth, free from rock, debris, or irregular surface changes. Finished subgrade surface shall not be more than 0.10 feet above or below established finished subgrade elevation, and all ground surfaces shall vary uniformly between indicated elevations. Finish ditches shall be graded to allow for proper drainage without ponding and in a manner that will minimize erosion potential. B. Correct all settlement and eroded areas within one year after date of completion of project at no additional expense to owner. Bring grades to proper elevation. 3.06 ROCK EXCAVATION (See Section 02229 Rock Removal) END OF SECTION 24 • SECTION 02221 EXCAVATION,BACKFILLING AND COMPACTING FOR STRUCTURE PART 1 GENERAL 1.01 SECTION INCLUDES A. Excavate to line, grade and configuration as shown in the plans and specifications for proposed structures. B. Fill to line, grade and configuration as shown in the plans and specifications for proposed structures. C. Compacting for materials in an acceptable manner as stated herein. 1.02 REFERENCE STANDARDS A. American Society for Testing and Materials (ASTM) latest edition. D 698 Test for moisture-density relations of soils using 5.5 lb. (2.5 kg) Rammer and 12 inch(304.8 mm) drop (Standard Proctor). D 1557 Test for moisture-density relations of soils using 10 lb. (4.5 kg) Rammer and 18-inch(457 mm) drop (Modified Proctor). B. American Association of State Highway and Transportation Officials (AASHTO) latest edition. T 88 Mechanical Analysis of Soils. 1.03 SUBMITTALS: NOT APPLICABLE PART 2 PRODUCTS 2.01 MATERIALS A. Fill material from on-site as specified in section 02200 and approved by the owner or owner's representative. B. Fill material from off-site as specified in section 02200 and approved by the owner or owner's representative. PART 3 EXECUTION 3.01 PREPARATION 25 A. Identify all lines, elevations and grades necessary to construct building subgrades as shown in the plans and specifications. B. Carefully protect bench marks,property corners, monuments or other reference points. C. Over-excavate and properly prepare areas of subgrade that are not capable of supporting the proposed systems. These areas are to be stabilized by using acceptable backfill materials placed and compacted as specified, filter fabrics and/or aggregate materials. 3.02 EXCAVATION A. Excavate building areas to line and grade as shown in the plans and specifications being careful not to over excavate beyond the elevations needed for building subgrades. B. Engage all suitable material into the project fill areas as specified in Section 02200. C. Unsuitable excavated material is to be disposed of in a manner and location that is acceptable to the owner and local governing agencies. D. Perform excavation using capable,well-maintained equipment and methods acceptable to the owner and the project document requirements. 3.03 FILLING AND SUBGRADE PREPARATION A. Building area subgrade pad shall be that portion of site directly beneath and ten feet(10')beyond the building and appurtenances including the limits of any future building expansion areas as shown on the civil site drawings. B. The building area subgrade pad shall be prepared in strict accordance with the "foundation subsurface preparation"as shown on the civil-site drawings and/or the architectural-structural drawings whichever is more stringent. Rock larger than six inches (6"0) shall not be part of building subgrade fill. C. Areas exposed by excavation or stripping and on which building subgrade preparations are to be performed shall be scarified to a minimum depth of 8" and compacted to a minimum of 95% of the optimum density, in accordance with ASTM D 698, (or 92%of the optimum density, in accordance with ASTM D 1557) at a moisture content of not less than 1%below and not more than 3% above the optimum moisture content. These areas shall then be proofrolled to detect any areas of insufficient compaction. Proofrolling shall be accomplished . by making a minimum of two (2) complete passes with a fully loaded tandem-axle 26 dump truck, or approved equivalent, in each of the two perpendicular directions under the supervisions and direction of a field geotechnical engineer. Areas of failure shall be excavated and recompacted as stated above. D. Fill materials used in preparation of building subgrade shall be placed in lifts or layers not to exceed 8" loose measure and compacted to a minimum density of 95% of optimum density, in accordance with ASTM D 698 (or 92% of the optimum density, in accordance with ASTM D 1557), at a moisture content of not less than 1%below and not more than 3% above the optimum moisture content. Unless specifically stated otherwise in the "foundation subsurface preparation" on the Drawings, the following table stipulates maximum allowable values for plasticity index(PI) and liquid limit(LL) of suitable materials to be used as fill in the specified areas: Location PI LL Building area, below upper four feet 30 60 Building area, upper four feet 12 40 3.04 COMPACTION A. Maintain optimum moisture content of fill materials to attain required compaction density. B. All materials shall be tested in accordance with Section 02200. C. Compaction tests will be as specified in Section 02200 together with the following for building subgrade areas including 10'-0"outside exterior building lines: In cut areas,not less than one compaction test for every 2,500 square feet. In fill areas, same rate of testing for each 8" lift(measured loose). D. If compaction requirements are not complied with at any time during construction process, remove and recompact deficient areas until proper compaction is obtained at no additional expense to the owner. 3.05 MAINTENANCE OF SUBGRADE A. Finished subgrades shall be verified to ensure proper elevation and conditions for construction above subgrade. B. Protect subgrade from excessive wheel loading during construction, including concrete trucks and dump trucks. 27 C. Remove areas of finished subgrade found to have insufficient compaction density of depth necessary and replace in a manner that will comply with compaction requirements by use of materials equal to or better than best subgrade material on site. Surface of subgrade after compaction shall be hard, uniform, smooth, stable and true to grade and cross-section. 3.06 FINISH GRADING A. Finish grading shall be in accordance with Section 02200 and as more specifically stated herein. B. Grading of building areas shall be checked by string line from grade stakes (blue tops) set at not more than 50' centers. Tolerance of 0.10 feet, more or less,will be permitted. Contractor to provide engineering and field staking necessary for verification of lines, grades, and elevations. 3.07 ROCK EXCAVATION (SEE SECTION 02229 ROCK REMOVAL) END OF SECTION 28 SECTION 02222 EXCAVATION,BACKFILLING AND COMPACTING FOR UTILITIES PART 1 GENERAL 1.01 SECTION INCLUDES A. Excavating trenches for the installation of utilities B. Backfilling trench with bedding material as specified and indicated and finishing filling trench with suitable material to proposed subgrade. C. Compacting backfill materials in an acceptable manner. 1.03 REFERENCE STANDARDS A. American Society for Testing and Materials (ASTM) Latest Edition D 698 Test for Moisture-Density Relations of Soils Using 5.5-lb. (2.5 kg) Rammer and 12-inch(304.8 mm) Drop (Standard Proctor) D 1557 Test for Moisture-Density Relations of Soils Using 10-1b.(4.5 kg) Rammer and 18-inch(457 mm) Drop (Modified Proctor) D 1559 Test Method for Resistance to Plastic Flow of Bituminous Mixtures Using Marshall Apparatus D 2216 Laboratory Determination of Moisture Content of Soil D 2487 Classification of Soils for Engineering Purposes D 2922 Test for Density of Soils and Soil-Aggregate in Place by Nuclear Methods (Shallow Depth) D 3017 Test for Moisture Content of Soil and Soil-Aggregate in Place by Nuclear Methods (Shallow Depth) D 4318 Test for Plastic Limit, Liquid Limit, and Plasticity Index of Soils C 25 Chemical Analysis of Limestone, Quicklime and Hydrated Lime C 110 Physical Testing for Quicklime and Hydrated Lime, Wet Sieve Method C 618 Specification for Fly Ash and Raw or Calcined Natural Possolan for Use as a Mineral Admixture in Portland Cement Concrete C 977 Quicklime and Hydrated Lime for Soil Stabilization B. American Association of State Highway and Transportation Officials (AASHTO) latest edition T 88 Mechanical Analysis of Soils 1.04 SUBMITTALS: NOT APPLICABLE 1.05 PROJECT RECORD DOCUMENTS 29 A. Accurately record actual locations of all subsurface utilities, structures and obstructions encountered. PART 2 PRODUCTS 2.01 MATERIALS A. Bedding Material: Shall be#67 stone (conforming to NCDOT Standard specifications for roads and structures) B. Backfill material from site as specified in Section 02200 and approved by the designer. PART 3 EXECUTION 3.01 PREPARATION A. Set all lines, elevations, and grades for utility and drainage system work and control system for duration of work, including careful maintenance of bench marks,property corners, monuments, or other reference points. B. Maintain in operating condition existing utilities and drainage systems encountered in utility installation. C. Verify location, size, elevation, and other pertinent data required to make connections to existing utilities and drainage systems as indicated on Drawings. Contractor shall comply with local codes and regulations. D. Over excavate and properly prepare areas of subgrade that are not capable of supporting the proposed systems. These areas are to be stabilized by using acceptable backfill materials placed and compacted as specified and additional bedding material. E. Install dewatering systems that will be required to construct the proposed utilities in a manner that is described herein. 3.02 EXCAVATION A. The local utility companies shall be contacted before excavation shall begin. Dig trench at proper width and depth for laying pipe, conduit, or cable. Cut trench banks practically and remove stones as necessary to avoid pointbearing. Over excavate wet or unstable soil, if encountered, from trench bottom as necessary to provide suitable base for continuous and uniform bedding. 30 B. All trench excavation side walls greater than 5 feet in depth shall be sloped, shored, sheeted, braced or otherwise supported by means of the sufficient strength to protect the work men within them in accordance with the applicable rules and regulations established for construction by the Department of Labor, Occupational Safety and Health Administration(OSHA), and by local ordinances. Lateral travel distance to an exit ladder or steps shall not be greater than 25 feet in trenches 4 feet or deeper. C. Perform excavation as indicated for specified depths. During excavation, stockpile materials suitable for backfilling in orderly manner far enough from bank of trench to avoid overloading, slides, or cave-ins. D. Remove excavated materials not required or not suitable for backfill or embankments and waste as specified. Any structures discovered during excavation(s) shall be disposed of as specified. E. Prevent surface water from flowing into trenches or other excavations by temporary grading or other methods, as required. Remove accumulated water in trenches or other excavations by pumping or other acceptable methods. F. Open cut excavation with trenching machine or backhoe. Where machines other than ladder or wheel-type trenching machines are used, do not use clods for backfill. Dispose of unsuitable material and provide other suitable material at no additional cost to Owner. G. Accurately grade trench bottom to provide uniform bearing and support for each section of pipe on bedding material at every point along entire length, except where necessary to excavate for bell holes, proper sealing of pipe joints, or other required connections. Dig bell holes and depressions for joints after trench bottom has been graded. Dig no deeper, longer, or wider than needed to make joint connection properly. H. Trench width requirements below the top of the pipe shall not be less than 12"nor more than 18"wider than outside surface of any pipe or conduit that is not to be installed to designated elevations and grades. All other trench width requirements for pipe, conduit, or cable shall be least practical width that will allow for proper compaction of trench backfill. I. Trench depth requirements measured from finished grade or paved surface shall meet the following minimum requirements or applicable utility company codes and ordinances: 1. Sanitary Sewer, Water: 3' of cover. 2. Storm Sewer: 1' of cover. 31 J. Provide sheeting and bracing, when necessary, in trenches and other excavations where protection of workmen required. Sheeting may be removed after sufficient backfilling to protect against damaging or injurious caving. 3.03 PIPE BEDDING A. Accurately cut trenches for pipe or conduit that is installed to designated elevations and grades to line and grade from 4"below bottom of pipe and to width as specified. Place 4" of bedding material, compact in bottom of trench, and accurately shape to conform to lower portion of pipe barrel or as otherwise required by the utility company, codes and ordinances. 3.04 BACKFILLING A. Criteria: Trenches shall not be backfilled until required tests are performed and the utility systems comply with and are accepted by applicable governing authorities. Backfill trenches as specified. If improperly backfilled, reopen to depth required to obtain proper compaction. Backfill and compact, as specified to properly correct condition in an acceptable manner. B. Backfilling: After pipe or conduit has been installed, bedded, and tested as specified,backfill trench or structure excavation with specified material placed in 8"maximum loose lifts. C. Backfill trenches to the contours and elevations shown on the plans with unfrozen materials. D. Systematically backfill on each side of pipe to avoid displacement. Do not backfill over porous,wet, frozen or spongy subgrade surfaces. 3.05 COMPACTION A. Exercise proper caution when compacting immediately over top of pipes or conduits. Water jetting or flooding is not permitted as method of compaction. B. Maintain optimum moisture content of fill materials to attain required compaction density. C. Compact to minimum density of 95% of optimum density in accordance with ASTM D 698 (or 92% of optimum density in accordance with ASTM D 1557). D. All materials used for backfill shall be tested in accordance with Section 02200. END OF SECTION 32 SECTION 02229 ROCK REMOVAL PART 1 GENERAL 1.01 SECTION INCLUDES A. Removal of identified and discovered rock during excavation. B. Use of explosives to assist rock removal C. Incorporating removed rock into fills and embankments. 1.02 REFERENCE STANDARDS A. NFPA 495 - Code For Explosive Materials 1.03 ENVIRONMENTAL REQUIREMENTS A. Determine all environmental effects associated with proposed work and safeguard those concerns as regulated by law and all others by reasonable and practiced methods. 1.04 JOB PAYMENT A. Rock removal will be payed at the contract unit price. 1.05 QUALIFICATIONS A. Contractor to remove rock by blasting shall submit records of documented experience to the Engineer and Owner. PART 2 PRODUCTS 2.01 MATERIALS A. Explosives, delay device and blast mat materials shall be the type recommended by the explosive firm that will comply with the requirements of this section. PART 3 EXECUTION 3.01 PREPARATION 33 • A. Verify site conditions and not subsurface conditions affecting work of this section. B. Identify required lines, levels and elevations that will determine the extent of the proposed removals. 3.02 ROCK EXCAVATION A. Rock Excavation--definition--Igneous, metamorphic or sedimentary rock that cannot be removed by rippers or other mechanical methods and; therefore, requires drilling and blasting. Cut rock to form level bearing at bottom of trench. In utility trenches, excavate to 6" below invert elevation of pipe. Remove shaled layers to provide sound and unshattered base for footings or foundations. Reuse excavated materials on-site in accordance with Section 02200, if applicable. B. Comply with all laws,rules, and regulations of Federal, State and local authorities and insurer which govern storage, use, manufacture, sale, handling, transportation, licensing, or other disposition of explosives. Take special precautions for proper use of explosives to prevent harm to human life and damage to surface structures, all utility lines, or other subsurface structures. Do not conduct blasting operations until persons in vicinity have had ample not and have reached positions of safety. C. Contractor shall save harmless owner, engineer, and owner's representative from any claim growing out of use of such explosives. Removal of materials of any nature by blasting shall be done in such a manner and such time as to avoid damage affecting integrity of design and to avoid damage to any new or existing structure included in or adjacent to work. It shall be contractor's responsibility to determine method of operation to ensure desired results and integrity of completed work. D. Perform rock excavation in a manner that will produce material of such size as to permit it being placed in embankments in accordance with Section 02200. Remove rock to limits as indicated. Remove loose or shattered rock overhanging ledges and boulder which might dislodge. E. Use lean concrete or suitable materials to replace rock overblast or over excavation in building area and in expansion area to facilitate placement of utilities and future footings. END OF SECTION 34 SECTION 02300 CONCRETE PART 1 GENERAL 1.01 SCOPE A. Work Specified In This Section: Furnish all labor, material, equipment and services, and perform all operations in connection with providing site concrete work, complete in place, as shown and specified. The work includes but is not necessarily limited to the following: 1. Poured-in-place slab. 2. Surveying and staking. 3. As-built drawings. 1.02 GENERAL A. Materials and equipment specified by reference to standard specifications,trade association publications, and manufacturer's catalogs and installation recommendations, shall refer to the latest issue in effect at the date of contract, except where building codes refer on specific items to an earlier issue. All referenced standard specification as if repeated in full herein. B. Abbreviations, when used hereinafter shall have the following meanings: ACI American Concrete Institute ASTM American Society for Testing Materials ANSI American National Standards Institute AASHTO American Association of State Highway and Transportation Officials. AWS American Welding Society APWA American Public Works Association CS Commercial Standards FS Federal Specifications PS National Bureau of Standards Product Standards R U.S. Department of Commerce Simplified Practice Recommendations C. In case of conflict of the project specifications with the referenced specifications, the project specifications shall govern. In case of conflict between the referenced 35 specifications and standards,the one having the most stringent requirements shall govern. D. All work shall meet the requirements of all governing codes, ordinances, laws, regulations, safety orders and directives, etc.,relating to the work. PART 2 PRODUCTS 2.01 MATERIALS A. General: The Contractor shall deliver to the Engineer signed certificates from the suppliers of materials and manufactured items stating that such materials and manufactured items conform to the standards set forth in this section of the specifications. B. Portland Cement: ASTM C150, Type II or Type V unless specified otherwise. C. DELETED. D. Concrete Aggregates: 1. General: ASTM C33. 2. Fine Aggregate: Clean, hard, strong, durable, natural sand. 3. Coarse Aggregate: Hard, durable, uncoated crushed stone, or gravel. a. Maximum size of aggregate shall be 1/5 of narrowest dimension between forms of the concrete member or 3/4 of minimum clear spacing between reinforcing bars. b. Shall conform with paragraph 90-3, of Standard Specification for Public Works Construction, latest Edition. Use No. 1-1/2 gradation except as limited by the above maximum size. 4. Fine and coarse aggregate shall be stored separately. E. Mixing Water: Potable F. Steel Reinforcement: 1. Reinforcing Bars: ASTM AG15, Grade 40, deformed. 36 2. Metal Accessories: Include all spacers, chairs,ties, and other devices necessary for properly placing, spacing, supporting and fastening reinforcement in place. G. Admixtures: 1. Air Entraining Admixtures: ASTM C260, air content not to exceed 4%. 2. Water Reducing, Retarding and Accelerating Admixtures: ASTM C494. H. Base Material Under Concrete Slabs on Grade: 1. Where shown, base under exterior concrete slabs shall be washed natural sand or unwashed manufactured sand, screened to pass at least 90 percent through a#4 sieve and not more than 2 percent to pass a#100 sieve. 2. Bases shall be compacted by rolling with a heavy roller. J. Curing Materials: 1. Paper: Non-staining reinforced waterproof curing paper, conforming to ASTM C171. 2. Membrane Forming Curing Compounds: ASTM C309, Type 1. K. Joint Materials: Self-expanding corkboard conforming to ASTM D 1752, or performed bituminous per ASTM D 1751. Joint fillers shall extend full depth of slab or joint and be of thickness and length indicated on the drawings. PART 3 EXECUTION 3.01 PROPORTIONING CONCRETE MIXES A. Strength: Except as otherwise shown, concrete shall have a minimum compressive strength at 28 days of 4,000 psi. B. Mix Design: 1. All concrete mixtures except for lean concrete shall be signed by a testing laboratory approved by the Engineer. All mixes shall be verified by actual test on cylinders prior to placing concrete, and compression tests shall show values at least 25 percent greater than minimum strength indicated. All mixes shall conform to governing building code requirements and to current American Concrete Institute Standard. All mix designs shall be approved by 37 the Engineer prior to their use. The Contractor shall pay the testing laboratory for all cost incurred for the mix design. 2. The amount of fine and coarse aggregates shall be so proportioned with respect to each other and with respect to the water content, that the concrete placed without segregation, but in case shall the volume of in aggregates be less than 35 percent of the sum of volumes of fine and coarse aggregates when measured in loose, dry volumes before being combined. The amount of aggregates before combining shall not exceed 6-1/2 cubic feet per each sack of cement. 3. Water, including any moisture contained in the aggregate, shall not exceed the amounts specified in Table 502 (a) of the ACI Building Code 318-63. 4. The minimum cement content for concrete shall be 5-1/2 sacks per cubic yard, or more as determined by testing laboratory. C. Admixtures: 1. Air entraining admixtures shall be used for all concrete, with amount of entrained air to be 3 to 6 percent by volume and tested by air meter in accordance with ASTM C 173. Admixtures for air entraining shall be used in strict accordance with manufacturer's printed recommendations and shall be adjusted at the batch plan by the manufacturer's representative for correct entrainment. 2. Water Reducing Agent: In order to reduce total water content,the Contractor may use a water reducing agent, approved by the Engineer, in strict accordance with manufacturer's recommendations. The reduced water content must be taken into consideration when proportioning materials, except that the minimum requirements stated above must be maintained. 3. Retarding and accelerating admixtures shall not be used unless approved by the Engineer. 4. All admixtures shall be included in the design test cylinders. 5. Admixtures must be compatible and retain full efficiency, and shall have no deleterious effect on the concrete or on the properties of each other. 6. Calcium chloride shall not be used. 3.02 BATCHING AND MIXING 38 A. General: Except as otherwise specified, concrete shall be ready-mixed or job- mixed at the Contractor's option, and in accordance with requirements of the governing building code and in accordance with ACI-318. B. Job-Mixed Concrete: Concrete shall be mixed dry in a machine batch mixer with a peripheral speed of 200 feet per minute and for at least 3 minutes after addition of water and until mass is uniform and homogeneous. Capacity of mixer shall be such that it will handle one or more full sack batches. Split batches will not be permitted. Mixers shall not be operated beyond rated capacity as given in manufacturer's catalog, and shall be thoroughly cleaned between batches. C. Ready-Mixed Concrete: 1. Ready-mixed concrete shall conform to these specifications and shall be mixed and delivered to the point designated by the means and standards set forth by ASTM C94. 2. Water shall not be added on the job unless authorized by the Engineer;the amount of water, if added, shall be recorded on all copies of the delivery ticket hereinafter required. If water is permitted to be added to mixed concrete upon arrival at the job, an additional mixing of 20 revolutions of the drum shall be required. 3. With each load of concrete delivered to the job there shall be furnished by the ready-mixed concrete producer duplicated delivery tickets, one for the Contractor and one for the Engineer. Delivery tickets shall provide the following information: a. Date. b. Name of ready-mixed concrete plant. c. Job location. d. Contractor. e. Type and brand name of cement. f. Class and specified cement contents in bags per cubic yard of concrete. g. Truck number. h. Time dispatched and time unloaded. i. Amount of concrete in load in cubic yard. 39 j. Admixtures in concrete, if any. k. Maximum size of aggregate and amount of aggregate of each size per cubic yard. 1. Water added at job, if any. 3.03 FORMWORK A. Materials: 1. Plywood: Shall be 5-ply, 5/8-inch thick minimum,moisture resistant "Plyform" as manufactured by a member of the Douglas Fir Plywood Association. 2. Lumber For Formwork: Shall be construction grade Douglas Fir. B. Methods of Construction 1. Forms shall be designed, constructed, and erected in accordance with "Recommended Practice for Concrete Formwork",ACI-346. 2. Construction tolerances shall not exceed those suggested in ACI-347. 3. Reuse of form materials shall be contingent upon the condition of such materials after stripping and their ability to produce concrete finishes a required. C. Form Coating: The Contract surface of all forms shall be treated with an approved chemical release agent. 3.04 REINFORCING STEEL A. Bending and Placing: 1. All bars shall be bent cold and bars with bends not shown on plans and/or schedules shall not be used. 2. The minimum clear distance between parallel bars shall be not less than the nominal diameter of the bars not less than 1-1/3 times the maximum size of the coarse aggregate, or one inch minimum, except where otherwise noted. 3. Splices for reinforcement shall be made in accordance with ACI-318 except where otherwise noted. 40 3.05 CONVEYING AND PLACING A. Preparations: Before placing concrete, all debris, water and ice shall be removed from the places to be occupied by the concrete. Wood forms shall be thoroughly wetted or oiled, and the reinforcement cleaned of ice or other coatings. B. Placing: The placing of all concrete shall be done in accordance with requirements of the ACI-318. C. Weather Conditions: Concrete when deposited shall have a temperature not below 50 degrees F. and not above 85 degrees F. Concrete shall not be placed during freezing weather. D. Construction Joints: 1. Construction joints shall be formed as indicated on the drawings, or as approved or directed by the Engineer. Dowels and keys shall be used where indicated or required. 2. The rate and method of placing concrete and the arrangement of construction joint bulkheads shall be such that the concrete between construction joints shall be placed in continuous operation. 3. Joints shall be perpendicular to the axis or surface of the member jointed. 4. Before concreting is resumed, the surfaces of previously placed concrete shall be roughened, cleaned by vigorous wire brushing or sandblasting, wetted and slushed with grout immediately before additional concrete is placed. Grout shall be 1 part portland cement and 2 parts sand. E. Concrete Slabs on Grade: Installation of underground and embedded items shall be approved before slabs are placed. Pipes, ducts, and conduits shall be placed below the concrete unless otherwise detailed. Fill required to raise the subgrade shall be installed as specified under Section"Earthwork" of these specifications. Concrete shall be compacted, screeded to grade, and prepared for the specified finish.- Fiberboard joints shall be made with a strip of 1/8 inch thick hard-pressed fiberboard in as long lengths as practicable. The slab shall be floated and finished as specified, using an edging tool on each side of the inserted joint. Concrete joints shall be filled with jointfilling compound. F. Weather Conditions: 1. Concrete when deposited shall have a temperature not below 50 degrees F. and not above 85 degrees F. 41 2. The methods and recommended practice in ACI Standard 605-59 shall be followed for hot weather concreting. 3. The use of salt, chemicals or other foreign materials shall not be mixed with the concrete. 4. Admixtures intended to accelerate the hardening of the concrete or to produce higher than normal strength at early periods will not be permitted unless specified or prior approval is obtained from the Engineer. 5. Records shall be kept by the Contractor to show the date of placements, the mix used and air temperature at time of concreting for the various portions of the work. These records shall be available to Engineer when requested. G. Installation of Anchorage Items: 1. Anchor bolts for steel column bases shall be set in the forms and cast into the concrete. Bolts will be furnished under Division 5 of the specifications. 2. Grouting of Bases: All bases shall be grouted with approved pre-mixed non- shrinking grout to which only water is added at the job. The amount of water added shall be in strict accordance with the manufacturer's recommendations. The grout shall be worked under the bases completely filling the space between base and concrete. 3. Provide for installation of inserts, conduit,pipe sleeves, drains,hangers, metal ties, shelf angle supports, anchors, bolts, angle guards, dowels, thimbles anchor slots, metal reglets, nailing strips, blocking, grounds and other fastening devices required for attachment of other work. Properly locate in cooperation with other trades and secure in position before concrete is poured. 4. Where openings are left in concrete for the passage of ducts,the openings shall be made slightly larger than the duct size as directed by the Engineer, unless dimensioned on structural drawings. 3.06 FINISH OF CONCRETE A. Exposed concrete, surfaces shall be given a smooth trowel finish, unless otherwise noted. 3.07 PROTECTION OF FINISH 42 A. The Contractor shall fully protect all finished parts against damage from whatever cause during the progress of the work and until final acceptance. 3.08 CURING A. Concrete shall be cured by coating with a sealing curing compound; the compound used must meet Engineer's approval. Compound shall be applied in two (2) separate coats in accordance with manufacturer's directions and using the maximum quantity recommended. Curing compound shall be applied as soon as surface water has disappeared from concrete surfaces. END OF SECTION 43 SECTION 02510 ASPHALTIC CONCRETE PAVEMENT PATCH PART 1 GENERAL 1.01 SECTION INCLUDES A. Asphalt concrete pavement patch PART 2 PRODUCTS 2.01 MATERIALS A. Prime coat shall be asphalt grade MC-30 or RC-30 conforming to Article 1020-3 or 1020-2 of the NCDOT Standard Specifications for Roads and Structures. B. Bituminous concrete surface course,type I-2, shall conform to Articles 645-2, 3 of the NCDOT Standard Specifications for Roads and Structures. PART 3 EXECUTION 3.01 TRANSPORTATION AND DELIVERY OF SURFACE COURSE, TYPE I-2. A. The mixture shall be transported from the mixing plant to the point of use in vehicles having tight metal bodies previously cleaned of all foreign materials. Each load shall be covered with canvas or other suitable material of sufficient size and thickness to protect it from the weather. Bodies shall be lightly oiled to prevent mixture from adhering thereto. No loads shall be sent out so late in the day as to prevent completion of the spreading and compaction of the mixture during daylight. The mixture shall be delivered at a temperature between 225 degrees and 325 degrees F. and within 25 degrees F. of the temperature set at the mixing plant. 3.02 PLACING PRIME COAT A. Install prime coat on the base. Application of the prime coat shall be to the requirements of Articles 600-3, 4, 6, 7, 8, and 9 of the NCDOT Standard Specifications for Roads and Structures. 3.03 PLACING SURFACE COURSE A. The surface course shall be spread by means of a mechanical self-powered paver, capable of spreading the mixture to the proper line, grade and crown. It shall be capable of spreading the mixtures, without segregation,to the required grade and 44 confine the mixtures to true lines without the use of stationary side forms. The term"Screed"includes a"strike-off" device operated by cutting, crowding, or other practical action which is effective on the mixtures at workable temperature without tearing, shoving, or gouging and which produces a finished surface of the evenness and texture specified. B. After the surface course mixture has been spread and before roller compaction is started,the mixture shall be spread and screeded by hand. Straight edging and backpatching shall be done after initial compaction while material is still workable. C. On areas where it is impossible to use mechanical spreading and finishing equipment,the mixture shall be spread and screeded by hand. Straight edging and backpatching shall be done after initial compaction while material is still workable. D. The Contractor shall provide and have ready for use at all times enough tarpaulins or covers for use in case of rain, chilly wind, or delay for the purpose of covering or protecting any material dumped but not spread. E. Asphaltic material shall not be placed at temperatures less than 40 degrees F. Temperatures shall be 40 degrees F. and rising before placement of asphaltic material. 3.04 COMPACTING OF SURFACE COURSE A. After placing,the mixture shall be thoroughly and uniformly compacted with tandem rollers of eight or ten ton model weighing not less than 250 pounds per inch width of roller thread. Each roller shall be in the charge of a competent, experienced operator and must be kept in continuous operation as neatly as practicable. Rolling shall start longitudinally at the out edges and proceed toward the center of the pavement, overlapping on successive trips by at least 1/2 the width of the roller. The speed of the roller shall at all times be slow enough to avoid displacement of the hot mix as a result of reversing. Any displacement shall be immediately corrected. Rolling shall proceed at a rate not in excess of 500 square yards per hour per roller and shall continue until no further visible compaction is obtainable and all roller marks have been eliminated. Rolling shall compact the mixture to at least 94 percent of the theoretical maximum density. Rolling shall be started as soon as the mixture will bear the roller without undue misplacement or hair cracking. Delays in rolling hand raked mixture will not be tolerated. B. To prevent adhesion of the mixture to the roller,the wheels shall be kept slightly oiled or moistened. Places not accessible to the roller shall be thoroughly compacted with hand tamps. 45 C. When edges are not protected,planks of the same thickness shall be placed adjacent to longitudinal or transverse joint until the surface course is completed. Sections of newly finished pavement shall be protected from traffic until they have become properly hardened by cooling. END OF SECTION 46 SECTION 02660 WATER DISTRIBUTION SYSTEMS PART 1 GENERAL 1.01 SECTION INCLUDES Furnishing and installing a 2"water main with services. 1.02 REFERENCES A. ANSI/ASME B16.18 - Cast Copper Alloy Solder Joint Pressure Fittings. B. ANSI/ASME B16.22 - Wrought Copper and Copper Alloy Solder Joint Pressure Fittings. C. ANSI/AWWA C509 - Resilient Seated Gate Valves 3 in through 12 in NPS, for Water and Sewage Systems. D. ASTM B88 - Seamless Copper water Tube. 1.03 SUBMITTALS Product Data: Provide data on pipe materials,pipe fittings,valves and accessories. 1.04 PROJECT RECORD DOCUMENTS A. Accurately record actual locations of piping mains, valves, connections, and invert elevations. B. Identify and describe unexpected variations to subsoil conditions or discovery of uncharted utilities. 1.05 REQUIREMENTS A. The contractor shall install the new main the same trench as the existing main. Abandon the existing main. B. The contractor shall not disrupt water service during installation of the water line. The contractor shall make the final tie-ins to the existing system with a maximum 4-hour loss of water service. C. The contractor shall take great care not damage the existing waterline while still in service. At no additional cost to the owner,the contractor shall repair any damage he causes with a maximum 2-hour loss of service. Should the contractor 47 not restore service within 12-hours, he will be assessed liquidated damages of $100; an additional $100 will be assessed for additional 12-hour increments water service has not been restored. PART 2 PRODUCTS 2.01 PIPE A. Pipe sizes less than 3"that are installed below grade and outside building shall comply with one or combination of following: 1. Seamless Copper Tubing: Type"K"roll From to comply with ASTM B88-62 and installed with wrought copper(95-5 Tin Antimony solder joint) fittings in accordance with ASTM B 16.22. 2. 2" Main shall be 2"galvanized steel 2.02 GATE VALVES -2 Inches and Over A. Manufacturers: Mueller Resilient Seat Gate Valves or approved equal. B. ANSI/AWWA C509, Iron body, bronze mounted double disc, parallel seat type, non-rising stem with square nut, single wedge, resilient seat, flanged or mechanical joint ends, control rod, post indicator where indicated on plans, extension box and valve key. 2.03 ACCESSORIES A. Concrete for Thrust Blocks: Place thrust blocking consisting of 2,500 psi concrete to provide sufficient bearing area to transmit unbalanced thrust from bends,tees, caps, or plugs to undisturbed soil as shown on the plans. PART 3 EXECUTION- per NCDOT requirements 3.01 EXAMINATION A. Verify locations of existing building service connections. 3.02 PREPARATION A. Ream pipe and tube ends and remove burns. B. Remove scale and dirt, on inside and outside, before assembly. 48 3.03 BEDDING A. Excavate pipe trench in accordance with Section 02222 for work of this Section. Hand trim excavation for accurate placement of pipe to elevations indicated. B. Place bedding material at trench bottom, level fill materials in one continuous layer not exceeding 8 inches compacted depth, compact to 95 percent maximum density. C. Back fill around sides and to top of pipe with fill,tamped in place and compacted to 95 percent maximum density. 3.04 INSTALLATION -PIPE A. Maintain separation of water main from sanitary and storm sewer piping in accordance with state or local code. B. Install pipe to indicated elevation to within tolerance of 1 inch. C. Install pipe to allow for expansion and contraction without stressing pipe or joints. D. Install access fittings to permit disinfection of water system performed under this Section. E. Connections with Existing Pipelines: Where connections are made between new work and exiting piping,make connection using suitable fittings for condition encountered. Make each connection with existing pipe at time and under conditions which least interfere with operation of existing pipeline. F. Form and place concrete for thrust blocks at each elbow or change of direction of pipe main. G. Establish elevations of buried piping to ensure not less than 36 in. of cover over the top of pipe: In cold climates, establish elevations of buried piping to ensure 6 inches between top of pipe and frost line. H. Backfill trench in accordance with Section 02222. 3.05 INSTALLATION-VALVES A. Install gate valves as indicated on Drawings and supported on concrete pads with valve stem vertical and plumb. Install valve boxes in a manner that will not transmit loads, stress, or shock to valve body. Center valve box over operating nut of valve vertical and plumb. Securely fit valve box together leaving cover flush with finished surface. 49 3.06 DISINFECTION OF DOMESTIC WATER PIPING SYSTEM Sterilize distribution system with chlorine before acceptance for domestic operation. Amount of chlorine shall be such as to provide dosage of not less than 50 parts/million. Thoroughly flush lines before introduction of chlorinating materials and after contact period of not less than 24 hours, system shall be flushed with clean water until residual chlorine content is not greater than 1.0 part/million. Open and close valves in lines being sterilized several times during contact period. After sterilization,take water and bacteriologically test in accordance with AWWA specifications. Do not place distribution system in service until approval is obtained from applicable governing authorities. 3.07 SERVICE CONNECTIONS Finish and install water services to individual residences. Work shall conform to state requirements. 3.08 FIELD QUALITY CONTROL Test water distribution system pipe in accordance with following procedures: 1. All pipework shall be tested at the pressure and leakage tests equal to the design working pressure of the pipe and maintain said pressure for not less than two hours. 2. Furnish, install, and operate the necessary connections,pump, meter, and gauges. Leakage shall not exceed that permitted by AWWA Specifications C600-64 for mechanical joint and push-on joint pipe. Prior to running any filed test, meter shall be tested, sealed, and approved by applicable governing authority at Contractor's expense. 3. Locate and repair all leaks and repeat tests until test results are satisfactory and in compliance with this section. 4. Furnish copy of results of meter test and hydrostatic pressure test to Designer upon Completion of water distribution backfilling operations. END SECTION 50 SECTION 02730 SANITARY SEWER PART 1 GENERAL 1.01 SECTION INCLUDES A. Requirements for both providing and installing sanitary sewer mains. PART 2 PRODUCTS 2.01 MATERIALS A. Sanitary sewer piping shall be schedule 40 PVC conforming to ASTM D1785. Couplings and Fittings shall be of PVC compounds (ASTM D1784, Type I, Grade I). PART 3 EXECUTION 3.01 GRAVITY SEWER REPLACEMENT A. Contractor shall replace existing gravity sewer and manholes as indicated on plans. B. Contractor shall provide for continuing sewer service by by-passing pumping or other approved methods. 3.02 EXCAVATION A. The Contractor is responsible for the location and protection of all existing utilities. Excavation shall be to lines and grades set by the Engineer in the plans. When excavation is in rock,the trench shall be dug 6"below the pipe grade, and filled back to grade with selected material or washed stone, at the Engineer's discretion. When unsuitable bearing material is encountered at the trench bottom, it shall be excavated and filled back with either select material or washed stone, at the Engineer's discretion. Contractor shall provide bracing to comply the OSHA requirements. No trench shall be left open when the Contractor is not at the side (such as at the end of the working day). 3.03 PIPE LAYING 51 A. The bottom of the trench shall be smoothed to allow a maximum bearing for the entire pipe, less the bell. Pipe shall be thoroughly cleaned, gently lowered into trench, and properly aligned and homed, with the bell end in the direction of laying. Manufacturers installation guide shall apply for the manner in which joints are secured, and for the maximum amount of deflection permissible. B. As soon as the pipe is laid, it shall be secured in place by hand placing bedding, free from rocks,under the haunches and around the sides of the pipe. This bedding shall be continuously hand-tamped as it is placed, using appropriate tamping tools to tamp under the sides of the pipe. Compact to 95%maximum density. Maintain optimum moisture content of bedding to attain required compaction density. C. Install pipe, fittings, and accessories in accordance with the manufacturer's instructions. Seal joint watertight. D. Establish pipe inverts as indicated on drawings. 3.04 BACKFILLING AND COMPACTION A. From a point one foot above the pipe zone to the top of the trench, backfilling may be with mechanical equipment. Backfill material shall contain no rocks larger than 4"in size. Backfill material shall be mechanically compacted to at least 95% of maximum soil density, as determined by AASHTO T-99. Compaction tests will be run at the discretion of the Engineer. All successful test shall be paid for by the Owner; all unsuccessful tests shall be paid for by the Contractor. 3.05 CONCRETE BLOCKING: FORCE MAIN A. Pipe fittings shall be blocked to resist thrust movement as per the drawings. Blocking shall be with 2500 psi concrete placed between the fitting and the natural solid ground on the side of the ditch. 3.06 PAVEMENT CUTTING A. Where force mains are to be installed in paved areas, the pavement shall be cut in neat, straight lines. The top 12" of ditch shall be backfilled with 10" of type ABC stone compacted to 95%maximum density, and 2" of I-2 asphalt. END OF SECTION 52 SECTION 02740 PUMPING SYSTEM PART 1 GENERAL 1.01 SECTION INCLUDES A. Furnishing, installing, testing, and placing into service the complete pumping system for the drip irrigation system. 1.02 SUBMITTALS A. Five (5) sets of shop drawings for all mechanical equipment and major materials including piping,pump tanks, and all the accessories shall be furnished to the designer for approval. B. Manufacturer's product date for the pumps and filtration equipment. PART 2 PRODUCTS 2.01 MATERIALS A. Major system components including controls,pumps, valves, filters, solenoid valves, dripper line and meter shall be supplied by Wastewater Systems, Inc., Lilburn, Georgia. The pumping system shall be furnished as a package and shall be supplied pre-piped and skid mounted. B. Precast pump tank shall be as shown on the plans. It shall be approved by the Division of Environmental Health of NC DEHNR and shall have the approval number imprinted on the delivered tank. Opening or inserts shall be cast in during manufacture. Concrete shall have a minimum compressive strength of 4,000 psi @ 28 days. C. The pump building shall be as shown on the plans. Where piping through the building floor is depicted, all such openings shall be formed or casings installed prior to pouring of the floor, including conduit. All electrical work shall be in accordance with applicable building codes. The Contractor, at his expense, shall obtain all necessary building and electrical permits for construction of the building. D. Pump discharge piping shall be schedule 40 PVC conforming to ASTM D 1785. All couplings and fittings shall be of polyvinylchloride compounds (ASTM D1784, Type I, Grade I). 53 E. Gate Valves: Gate valves shall be iron or bronze body,parallel seat type bronze fitted with double disc and wedges shall comply with ASSA C-500 designed for 150 psi. All valves shall open left(counter clockwise) and have wheel operators. F. Swing Check Valves: Swing check valves shall be flow control PVC swing check valves with rubber flapper and PVC cap as supplied by Wastewater System, Inc. G. Controls: 1. The system shall contain a pumping tank with mercury switch settings allowing the water level to rise to a pre-determined elevation where a mercury float switch shall close activating a logic sequence in the microprocessor controller that determines whether the system had dosed within the previous six hours. If it has dosed within the previous six hours, it shall begin a time delay for pump operation until the (six hours)time has been satisfied, or upon reaching the alarm elevation,the system shall override the time delay and begin the dosing action. The system shall log for later retrieval the time the "ON"pump float switch was activated and also the time the alarm"ALM" switch was activated. Upon receiving a legitimate signal to start dosing operation, the system will activate the designated pump. The system shall contain two pumps receiving alternate signals for pumping cycles. The lead pump shall operate delivering a pre-determined dose to the designated ground absorption field. Effluent shall pass through a flow meter equipped with pulse activator that will transmit pulsed signals to microprocessor that will reduce received data to gallons and also gallons per minute. The microprocessor, upon recognition of the pre-determined volume having been processed, shall shut-off the operating pump. The pump shall also shut off it the low water level pump switch is activated. 2. If the high water level "alarm" float switch is activated,the microprocessor shall select the next sub-field to be dosed, by field solenoid valves to direct flow to the field, begin its process of delivering the pre-determined dose volume, and shall activate the telephonic auto-dialer, audible and flashing alarm systems. Once energized, the flashing and audible alarm units may be shut-off manually. 3. The microprocessor shall also control the periodic backwashing of the filters and flushing operation of the sub-field laterals. Filter backwashing shall occur either by the microprocessor receiving a signal from a pressure differential sensor that will measure pressure loss across the system filters (normally upon reaching a 4 PSI difference) or by recognition of a pre-set elapsed time since last system flush (usually 24 hours). The system shall be configured to allow for manual operation of backwashing filters or sub-field system flushing. 54 4. System lateral flushing shall occur when the microprocessor sensor recognition of a preset elapsed time since last system flush(usually 28 days). 5. The microprocessor shall also control the sequential alteration of the ground absorption sub-fields by the proper operation of field control (solenoid) valves. The microprocessor shall log and record for later retrieval or transmission,the times of operating in gallons per operating cycle to individual sub-fields,the average flow rate during cycle in"Gallons Per Minute", date and time of filter backwash, date and time of system flushing and the time and nuture of any alarm condition. 6. The pump control panel shall include, but not be limited to a"General" system control switch, stop-start switch for each non-resetable elapsed time meter for each pump, and individual pump run lights. 7. The pump control panel shall be a NEMA 4x enclosure. All control units, if not housed within the main pump panel, shall be a separate NEMA 4x enclosures. PART 3 EXECUTION 3.01 PRECAST PUMP TANK A. The Contractor shall install precast pump tanks in the configuration shown on the plans. All tank components and connections to tanks shall be made waterproof by use of mastic joint sealer and concrete mortar on both sides of all joints on the tanks and manholes. All bolt and pipe connection to the tanks shall be through smooth round holes made during casting of the tanks. B. After installation and sealing, the Contractor shall perform an infiltration test on each tank, and said tanks shall have no greater infiltration than 25 gallons per tank over a 24 hour period. C. Excavation for tank installations shall be extended three (3) feet horizontally beyond maximum outside dimension of tank configuration and four(4) inches vertically below the proposed bottom of the tanks. Stockpiling of excavated material shall be coordinated so as not to interfere with the supplier's placement of tanks. D. Prior to placement of tanks a four(4) inch leveling coarse of Number 57 washed stone shall be placed in the excavation and shaped to accommodate tanks at the design elevations. E. After making all connections and ensuring watertightness of each by infiltration testing,backfilling and tamping operations shall take place in layers not to exceed 55 eight(8) inches in depth so as to provide a thoroughly compacted backfill around and above each tank. 3.02 PUMPING EQUIPMENT A. Installation shall conform to applicable building codes. B. Leakage Testing 1. The water for testing purposes can be taken from the nearest available water main under the supervision of the Designer and leakage will be measured by the Designer with a meter furnished by the Contractor. 2. If openings are not available for the purposes of expelling air,the Contractor shall provide air release of sufficient size. 3. The test pressure will be 150 psi at the low point of the section under test. 4. Allowable leakage will be determined by Table 6, AWWA C-600 as by the formula L = 0:000083 SD where the length of pipe is under test and D is pipe diameter. Allowable leakage for each lateral connection is 0.0050 gal./hr. END OF SECTION 56 SECTION 02743 SEPTIC TANK AND DOSING TANK PART 1 GENERAL 1.01 SECTION INCLUDES A. Furnishing and installing a 3000 Gallon septic tank to replace the existing septic tank. 1.02 SUBMITTALS B. Five sets of shop drawings for the septic tank. PART 2 PRODUCTS 2.01 PRECAST CONCRETE SEPTIC TANK A. It shall be approved by the Division of Environmental Health of NCDEHNR and shall have the approval number imprinted on the delivered tank. Openings or inserts shall be cast in during manufacture. Concrete shall have a minimum compressive strength of 4000 psi @ 28 days. PART 3 EXECUTION 3.01 INSTALLATION A. All connections of tank components and tank and pipe components shall be made waterproof by use of rubber joints or mastic joint sealer and concrete mortar on both sides of all joints on the tanks and manholes. B. After installation and sealing the Contractor shall perform an infiltration test on septic tank and said tank shall have no great infiltration than one hundred and fifty (150) gallons over a twenty-four(24)hour period. C. Excavation for the septic tank shall be extended three (3) feet horizontally beyond the maximum outside dimensions of the tank and eight (8) inches vertically below the proposed bottom of the tank. Stockpiling of excavated material shall be coordinated so as not to interfere with the supplier's placement of tanks. D. Prior to placement of tanks, an eight(8) inch leveling coarse of Number 57 washed stone shall be placed in the excavation and shaped to accommodate tanks at the design elevations. 57 E. After making all connections and ensuring watertightness by infiltration testing, backfilling and tamping operations shall take place in layers not to exceed eight (8) inches in depth so as to provide a thoroughly compacted backfill around and above each tank. END OF SECTION 58 SECTION 02745 DRIP IRRIGATION EQUIPMENT PART 1 GENERAL 1.01 SECTION INCLUDES A. Furnishing and installing drip irrigation lines and equipment. PART 2 PRODUCTS 2.01 MATERIALS A. Drip irrigation lines shall be flexible 1/2 inch diameter polyethylene with turbulent flow labyrinth emitters uniformly spaced at 24 inches with each emitter rated at 0.61 gph. The emitter tubing shall be manufactured by NETAFIM Irrigation, Inc., 548 N. Douglas Avenue, Altamonte Springs, Florida 32714, telephone (407) 758-6352. B. Solenoid valves: Electrically activated sub-field control valves shall be PVC. Suitable for 24 volt AC operation. Throttling adjustment and flushing switch shall be integrated for flow and pressure control. Valves shall be Galcon Model manufactured by Dorot, Inc. or equal. PART 3 EXECUTION 3.01 PREPARATION A. Thin and remove trees (above ground portion only)that are less than four(4) inches in diameter. Remove cut trees and properly dispose of off-site. Do not disturb or remove leaf litter. No heavy equipment shall be brought onto the drip irrigation field. After clearing is completed, the Contractor shall contact the Designer for a site inspection. The Contractor shall then stake the location of the dripper lines as shown on the plans in the presence of the Engineer and adjustments in alignment of individual dripper lines will be made as necessary based on actual field conditions and major tree location. 3.02 INSTALLATION A. The Contractor shall install the distribution manifolds and the connections and adapters for the dripper lines. The dripper lines will then be placed in alignment on the ground surface in accordance with the details on the plans. The Contractor • shall also install the solenoid valves in the locations shown on the plans and the air release valves. 59 B. The Contractor shall exercise extreme care during installation of the dripper lines to avoid disturbance of the ground surface over drip irrigation fields. Disturbed areas shall be returned to a"natural" condition immediately. END OF SECTION 60 SECTION 02930 SEEDING PART 1 GENERAL 1.01 SECTION INCLUDES A. Seeding of Disturbed Areas. 1.02 REFERENCES A. North Carolina Seed Law B. North Carolina Fertilizer Laws 1.03 ALL DISTURBED AREAS SHALL BE SEEDED AS PER THIS SPECIFICATION PART 2 PRODUCTS 2.01 MATERIALS A. Fertilizer shall be of 1-1-1 ratio such as 10-10-10 commercial fertilizer and shall conform to State Fertilizer Laws. It shall be uniform in composition, dry, and free flowing. It will be deliver to the site in original unopened containers, each bearing the manufacturer's guaranteed analysis. B. Seed must meet the requirements of North Carolina Seed Law and be labeled to certify that they have been tested by a state or commercial seed testing laboratory not more than six months prior to date of planting. The percent purity and germination will be no less than shown below: Minimum Total Minimum Legumes % Purity % Germination Lespedeza Annual 97 85 Sericea(Scarified) 98 85* (Unscarified) 98 85** (In the hull) 80 85*** * May include 20%hard seed ** May include 50%hard seed Minimum Total Minimum Annuals % Purity % Germination 61 Millet 98 85 Rye 98 85 Ryegrass--Annual 98 90 Sudangrass--sorghum hybrids 98 85 Seed containing prohibited noxious weed seed or amounts of restricted noxious wee greater than allowed by the rules, regulations, definition and standards of the North Carolina Seed Law as adopted by the North Carolina Board of Agriculture in effect at the time of sampling shall not be acceptable. All seed will be subject to testing by an authorized representative of the North Carolina Department of Agriculture. Seed shall not contain, singly or collectively, more than 5% of other crop seed. C. Mulch shall conform to the specifications as follows: 1. Grain Straw and Tame Hay--mulches shall contain no more than a minimum of grain or foreign seed and be free from an excessive amount of restricted noxious weeds as defined by the North Carolina Board of Agriculture at the time of use of the mulch; also,there shall be compliance with all applicable state and federal domestic plant quarantines. Must be air dry,threshed and free of clumps. Straw or hay mulch cut with a rotary type cutter will not be acceptable. 2. Jute Matting--shall be of a uniform open plain weave of single jute yard, 48" in width plus or minus 1". The yarn shall be of a loosely twisted construction and shall not vary in thickness by more than one-half its normal diameter. There shall be 78 warp ends,plus or minus 2,per width of the matting; 41 weft ends,plus or minus 1,per linear yard; and the weight shall average 1.22 pounds per linear yard of the matting with tolerance of plus or minus 5 percent. PART 3 EXECUTION 3.01 PREPARATION A. Rip or till all areas to be seeded to a depth of five inches. When adverse conditions are encountered due to rocky surfaces or other soil conditions,the engineer may direct or permit modification to be made, in the depth of ripping. Ripping or tillage tools must not be spaced more than 12 inches apart. All land preparation must be done across the slope. 62 B. Apply fertilizer at a rate of 1000 lbs./acre and 20% super phosphate at a rate of 500 lbs./acre, and uniformly mix into the top three inches of the soil. Spreader truck will not be approved for use on slopes over 10% C. Complete land preparation by smoothing the seedbed with a tandem disk, spike- tooth harrow, or other equipment approved by the Engineer. 3.02 SEEDING A. Shoulders, side ditches, slopes (max 3:1) Aug 15-Nov 1 Tall Fescue 150 lbs./acre Nov 1-Mar 1 Tall Fescue and 150 lbs./acre Abruzza Rye 25 lbs./acre Mar 1-Apr 15 Tall Fescue 150 lbs./acre Apr 15-Jun 30 Hulled Common Bermudagrass 30 lbs./acre Jul 1-Aug 15 Tall Fescue and 150 lbs./acre ***Browntop Millet 35 lbs./acre *** or Sorghum-Sudan Hybrids 30 lbs./acre Slopes (3:1 to 2:1) Mar 1-Jun 1 Sericea Lespedeza(scarified) 50 lbs./acre (Mar 1-Apr 15) Add Tall Fescue 120 lbs./acre (Mar 1-Jun 30) Or Add Weeping Lovegrass 10 lbs./acre (Mar 1-Jun 30) Or Add Hulled Common Bermudagrass 25 lbs./acre Jun 1-Sep 1 ***Tall Fescue and 120 lbs./acre ***Browntop Milled 35 lbs./acre ***Or Sorghum Sudan Hybrids 30 lbs./acre Sep 1-Mar 1 Sericea Lespediza(unhulled-unscarified) 70 lbs./acre and Tall Fescue 120 lbs./acre (Nov 1-Mar 1) Add Abruzzi Rye 25 lbs./acre ***Temporary--Reseed according to optimum season for desired permanent vegetation. Do not allow temporary cover to grow 12" in height before mowing, otherwise fescue may be shaded out. B. Consult Conservation Engineer or Soil Conservation Service for additional information concerning other alternative for vegetation of denuded areas. The above vegetation rates are those which do well under local conditions; other seeding rate combinations are possible. C. Seed shall be sowed only after the prepared seedbed, to which lime and fertilizer have been added as specified above, have been thoroughly settled by rainfall or artificial watering. Immediately before any seed is to be sown, the ground surface 63 shall be scarified as necessary to a depth of one inch and shall be raked until the surface is smooth, friable, and of uniformly fine texture. The areas shall be seeded evenly with a mechanical spreader using the seed/rate combination herein before specified and lightly raked. 3.03 MULCHING A. Gravel road ditch shall be lined with jute matting. B. All other areas shall be covered with grain straw unless otherwise noted on the plan. The rate of application of grain straw shall be at least two tons per acre. It is essential that distribution of the mulch be uniform. C. Where a delay in the establishment of permanent vegetation is desirable due to adverse weather or seeding conditions, a temporary mulch cover will be required by the Engineer. D. Tie-down mulch by uniformly spraying emulsified asphalt at a rate of 300 gallons per acre. END OF SECTION 64 Construction Documents for: NC Division of Parks & Recreation Water and Sewer Repairs at Mt. Mitchell State Park Submitted to: \Ir. Dan \lot ra . ConSultinu Service, Section State Construction Office 3(11 N. Wiltninuton Street 12:11eiah, t• 27601 • :114r, Submitted by: Barrett Kays & Associates, P.A. ..0 .7)a 224 FAYETTEVILLE STREET MALL --- SUITE 100,P.O.BOX 2979 FI - NAL DE SIGN co RALEIGH,NC 27602-2979 NOT RELEASED FOR CONSTRUCTION TELEPHONE 919 828-1903 FACSIMILE 919 828-0365 2 OWRI j1, 26 July 17, 1996_ WATER QUALITY SECTIOIV ASkIEVILLE ftEGIONAL OFFICE TABLE OF CONTENTS Project Summaries 1 Contract Documents and Specifications 2 Barrett Kays& Associates, P.A h:\clients\ncparks\9409004\reports\m_toc l.doc MT. MITCHELL WATER & SEWER REPAIRS Drip Irrigation System Project Description and Engineering Rationale: The project consists of a non-discharge disposal system for Mount Mitchell State Park camping, maintenance and personnel barracks complex. The existing sewage treatment system will be augmented with the installation of drip irrigation system that will provide for septic tank effluent disposal during the period May 1 through October 30. The existing subsurface disposal system would be operated during the period November 1 through April 30 when the park is closed to visitors and consequently flow is at a minimum. The facility would involve a recirculating sand filter, effluent tank, pre-manufactured pump and control assembly, and installation of a surface drip irrigation field. Design Capacity The design capacity of 1800 GPD for the proposed system is based on historical flow records. Recirculating Sand Filter The application rate for the recirculating sand filter will be 3 GPD/SF. Septic tank effluent -, will be applied to the sand bed using pressure compensating drippers to ensure uniform distribution. Effluent Storage Capacity -,f r The proposed system includes 5,000 gallon effluent tank which will provide sufficient storage ;i? w"r capacity for the system, should the system become inoperable for a short period of time. Contract Documents and Specifications: Attached are the contract documents and specifications. Drawings: Attached are working drawing sheets. Barrett Kays&Associates, P.A. 1 h:\clients\ncpark\9409004\reports\m_summ.doc MT. MITCHELL WATER & SEWER REPAIRS Water System Repairs Project Description and Engineering Rationale: The project consists of replacing the water supply line that connects the upper and lower water storage tanks at the Mount Mitchell State Park camping, maintenance and personnel barracks complex. The project involves re-routing of the pipeline in the vicinity of the maintenance buildings and reconnecting existing service connections. Contract Documents and Specifications: Attached are contract documents and specifications. Drawings: Attached are working drawing sheets. Barrett Kays&Associates, P.A. 2 h:\clients\ncpark\9409004\reports\m_summ.doc NOTICE TO BIDDERS SECTION 302-NOTICE TO BIDDERS NOTICE TO BIDDERS Sealed proposals will be received by the Mt. Mitchell State Park (Board and/or Institution or Department), Route 5 Box 700 (City), Burnsville , N.C., in the office of Park Superintendent , up to 3:00 p.m., , 19 and immediately thereafter publicly opened and read for the furnishing of labor, material and equipment entering into the construction of Water and sewer repairs at Mt. Mitchell State Park. (enumerate the separate bids to be received, if any). Complete plans, specifications and contract documents will be open for inspection in the office of Park Superintendent (Owner) in the offices of Barrett Kays & Associates (Designer) in the offices of the Associated General Contractors, Carolinas Branch, Raleigh and Charlotte, in the local North Carolina offices of F.W. Dodge Corporation, Raleigh and Charlotte, and in the local North Carolina Offices of CONSTRUCTION MARKET DATA, or may be obtained by those qualified and who will make a bid, upon deposit of Fifty dollars ($ 50.00 ) in cash or certified check. The full plan deposit will be returned to contractors submitting bids provided all documents are returned in good condition within ten (10) days after the bid date. The full plan deposit will be returned to contractors not submitting bids provided all documents are returned in good condition at least ten(10) days prior to the bid date. The work will require approximately: installation of a new drip irrigation system for wastewater disposal, complete with pumps, filters, controls, drip lines 5000 gallon pump tank and the replacement of approximately 160' of 2" water line. "A single prime combined bid for all work will be received for...(General, Plumbing. Mechanical and Electrical)...prime contracts." All proposals shall be lump,sum. If a contractor is bidding both as a single prime contractor and as a prime contractor in the separate prime category, he must submit the bids on separate forms and in separate envelopes. Bidders should clearly indicate on the outside of the bid envelope which contract(s) they are bidding. All contractors are hereby notified that they must have proper license under the state laws governing their respective trades. General contractors are notified that Chapter 87, Article 1, General Statutes of North Carolina, will be observed in receiving and awarding general contracts. General contractors submitting bids on this project must have general license classification for Public Utilities. All electrical work related to the pumps, controls, and pump house wiring shall be done by a licensed electrician. Plumbing and heating contractors are notified that Chapter 87, Article 2, General Statutes of North Carolina, will be observed in receiving and awarding plumbing and heating contracts. Barrett Kays&Associates, P.A. h:\clients\ncpark\9409004\reports\m_302.doc Electrical contractors are notified that provisions of Chapter 87, Article 4, General Statutes of North Carolina, will be observed in receiving and awarding electrical contracts. Each proposal shall be accompanied by a cash deposit or a certified check drawn on some bank or trust company, insured by the Federal Deposit Insurance Corporation, of an amount equal to not less than five percent (5%) of the proposal, or in lieu thereof a bidder may offer a bid bond of five percent (5%) of the bid executed by a surety company licensed under the laws of North Carolina to execute the contract in accordance with the bid bond. Said deposit shall be retained by the owner as liquidated damages in event of failure of the successful bidder to execute the contract within ten days after the award or to give satisfactory surety as required by law. A performance bond and a payment bond will be required for one hundred percent (100%) of the contract price. Payment will be made on the basis of ninety-five percent (95%) of monthly estimates and final payment made upon completion and acceptance of work. No bid may be withdrawn after the scheduled closing time for the receipt of bids for a period of 30 days. The owner reserves the right to reject any or all bids and to waive informalities. A pre-bid meeting for the contractors will be scheduled ten days before bid opening to review the project and discuss questions. • Signed: • Alan Jeffrey's, Building Systems Engineer Name and Title NCDEHNR Division of Parks & Recreation Institution or Department Raleigh,NC Location Designer: Barrett Kays & Associates 224 Fayetteville Street Mall, Suite 100 Raleigh. NC 27602 Barrett Kays&Associates, P.A. h:\clients\ncpark\9409004\reports\m_302.doc INSTRUCTION FOR BIDDERS AND GENERAL OPTIONS INSTRUCTIONS TO BIDDERS AND GENERAL CONDITIONS OF THE CONTRACT STANDARD FORM FOR CONSTRUCTION PROJECTS STATE CONSTRUCTION OFFICE NORTH CAROLINA DEPARTMENT OF ADMINISTRATION Form OC-15 This document is intended for use on state capital construction projects and shall not be used on any project that is not reviewed and approved by the State Construction Office. Twenty-Second Edition - May 1995 INSTRUCTIONS TO BIDDERS For a proposal to be considered it must be in accordance with the following instructions: 1. PROPOSALS Proposals must be made in strict accordance with the Form of Proposal provided therefor, and all blank spaces for bids, alternates and unit prices shall be properly filled in. When requested alternates are not bid, the proposal may be considered incomplete. The bidder agrees that bid on Form of Proposal detached from specifications will be considered and will have the same force and effect as if attached thereto. Photocopied or faxed proposals will not be considered. Numbers shall be stated both in writing and in figures for the base bids and alternates. Any modifications to the Form of Proposal (including alternates and/or unit prices) will disqualify the bid and may cause the bid to be rejected. The contractor shall fill in the Form of Proposal as follows: a. If the documents are executed by a sole owner, that fact shall be evidenced by the word "Owner" appearing after the name of the person executing them. b. If the documents are executed by a partnership, that fact shall be evidenced by the word "Co-Partner" appearing after the name of the partner executing them. c. If the documents are executed on the part of a corporation, they shall be executed by either the president or the vice president and attested by the secretary or assistant secretary in either case, and the title of the office of such persons shall appear after their signatures. The seal of the corporation shall be impressed on each signature page of the documents. d. If the proposal is made by a joint venture, it shall be executed by each member of the joint venture in the above form for sole owner, partnership or corporation, whichever form is applicable. e. All signatures shall be properly witnessed. f. If the contractor's license is held by a person other than an owner, partner or officer of a firm,then the licensee shall also sign and be a party to the proposal. The title "Licensee" shall appear under his/her signature. Proposals shall be addressed as indicated in the Advertisement for Bids and shall be delivered enclosed in an opaque sealed envelope, marked "Proposal" and bearing the title of the work, name of the bidder, and the bidder's license number, if required. Bidders shall clearly mark on the outside of the bid envelope which contract(s) they are bidding. For projects bid in the single-prime alternative, the names and license numbers of major subcontractors shall be listed on the proposal form. It shall be the specific responsibility of the bidder to deliver his bid to the proper official at the appointed place and prior to the announced time for the opening of bids. Later delivery of a bid for any reason, including delivery by the United States Postal Service, shall disqualify the bid.. • Modifications of previously deposited bids will be acceptable only if delivered in writing or by telegram or fax to the place of the bid opening prior to the time for opening bids. Telegraphic and fax modifications must be confirmed in writing within 72 hours of the opening of bids. Unit prices quoted in the proposal shall include overhead and profit and shall be the full compensation for the contractor's cost involved in the work. See General Conditions, Article 19c-1. 2. EXAMINATION OF CONDITIONS It is understood and mutually agreed that by submitting a bid the contractor acknowledges that he has carefully examined all documents pertaining to the work, the location, accessibility and general character of the site of the work and all existing buildings and structures within and adjacent to the site, and has satisfied himself as to the nature of the work, the condition of existing buildings and structures, the conformation of the ground, the character, quality and quantity of the material to be encountered, the character of the equipment, machinery, plant and any other facilities needed preliminary to and during prosecution of the work, the general and local conditions, the construction hazards, and all other matters, including, but not limited to, the labor situation which can in any way affect the work under the contract, and including all safety measures required by the Occupational Safety and Health Act of 1970 and all rules and regulations issued pursuant thereto. It is further mutually agreed that by submitting a proposal the contractor acknowledges that he has satisfied himself as to the feasibility and meaning of the plans, drawings, specifications and other contract documents for the construction of the work and that he accepts all the terms, conditions and stipulations contained therein; and that he is prepared to work in cooperation with other contractors performing work on the site. Reference is made to contract documents for the identification of those surveys and investigation reports of subsurface or latent physical conditions at the site or otherwise affecting performance of the work which have been relied upon by the designer in preparing the documents. The owner will make copies of all such surveys and reports available to the bidder upon request. Each bidder may, at his own expense, make such additional surveys and investigations as he may deem necessary to determine his bid price for the performance of the work. Any on-site investigation shall be done at the convenience of the owner. Any reasonable request for access to the site will be honored by the owner. 3. BULLETINS AND ADDENDA Any addenda to specifications issued during the time of bidding are to be considered covered in the proposal and in closing a contract they will become a part thereof. It shall be the contractor's responsibility to ascertain prior to bid time the addenda issued and to see that his bid includes any changes thereby required. Should the bidder find discrepancies in, or omission from, the drawings or documents or should he be in doubt as to their meaning, he shall at once notify the designer who will send written instructions in the form of addenda to all bidders. Notification should be no later than seven (7) days from the date set for receipt of bids. Neither the owner nor the designer will be responsible for any oral instructions. All addenda shall be acknowledged by the bidder(s) on the Form of Proposal. 4. BID SECURITY Each proposal shall be accompanied by a cash deposit or a certified check drawn on some bank or trust company insured by the Federal Deposit Insurance Corporation, or a bid bond in an amount equal to not less than five percent (5%) of the proposal, said deposit to be retained by the owner as liquidated damages in event of failure of the successful bidder to execute the contract within ten (10) days after the award or to give satisfactory surety as required by law (G.S. 143-129). Bid bond shall be conditioned that the surety will, upon demand, forthwith make payment to the obligee upon said bond if the bidder fails to execute the contract. The owner may retain bid securities of any bidder(s) who may have a reasonable chance of award of contract for the full duration of time stated in the Notice to Bidders. Other bid securities may be released sooner, at the discretion of the owner. All bid securities (cash or certified checks) shall be returned to the bidders promptly after award of contracts, and no later then seven (7) days after expiration of the holding period stated in the Notice to Bidders. Standard Form of Bid Bond is included in these specifications (Section 304). 5. RECEIPT OF BIDS Bids shall be received in strict accordance with requirements of the General Statutes of North Carolina. Bid security shall be required as prescribed by statute. Prior to opening of any bids on the project, the bidder will be permitted to change or withdraw his bid. Guidelines for opening of public construction bids are available from the State Construction Office. 6. OPENING OF BIDS Upon opening, all bids shall be read aloud. Once any bid is opened, there shall not be any withdrawal of bids by any bidder and no bids may be returned by the designer to any bidder. After the bid opening, a bidder may request that his bid be withdrawn from consideration without forfeiture of his bid security in accordance with the provisions of the North Carolina General Statute 143-129.1. After the opening-of bids, no bid may be withdrawn, except under the provisions of General Statute 143-129.1, for a period of thirty days unless otherwise specified. Should the successful bidder default and fail to execute a contract, the contract may be awarded to the next lowest and responsible bidder. The owner reserves the unqualified right to reject any and all bids. Reasons for rejection may include, but shall not be limited to, the following: a. If the Form of Proposal furnished to the bidder is not used or is altered. b. If the bidder fails to insert a price for all bid items, alternate and unit prices requested. c. If the bidder adds any provisions reserving the right to accept or reject any award. d. If there are unauthorized additions or conditional bids, or irregularities of any kind which tend to make the proposal incomplete, indefinite or ambiguous as to its meaning. e. If the bidder fails to complete the proposal form where information is requested so the bid may be properly evaluated by the owner. f. If the unit prices contained in the bid schedule are unacceptable to the owner and the State Construction Office. g. If the bidder fails to comply with other instructions stated herein. 7. BID EVALUATION The award of the contract will be made to the lowest responsible bidder as soon as practical. The owner may award on the basis of the base bid and any alternates the owner chooses. Before awarding a contract, the owner may require the apparent low bidder to qualify himself to be a responsible bidder by furnishing any or all of the following data: a. The latest financial statement showing assets and liabilities of the company or other information satisfactory to the owner. b. A listing of completed projects of similar size. c. Permanent name and address of place of business. d. The number of regular employees of the organization and length of time the organization has been in business under present name. e. The name and home office address of the surety proposed and the name and address of the responsible local claim agent. f. The names of members of the firms who hold appropriate trade licenses, together with license numbers. Failure or refusal to furnish any of the above information, if requested, shall constitute a basis for disgnnlification of any bidder. In determining the lowest responsible bidder, the owner shall take into consideration the past performance of the bidder on construction contracts for the state with particular concern given to completion times, quality of work, cooperation with other contractors, and cooperation with the designer and owner. Should the owner adjudge that the apparent low bidder is not the lowest responsible bidder by virtue of the above information, said apparent low bidder will be so notified and his bid security shall be returned to him. 8. PERFORMANCE BOND • The successful bidder, upon award of contract, shall furnish a performance bond in an amount equal to 100 percent of the contract price. See Article 35, General Conditions. 9. PAYMENT BOND The successful bidder, upon award of contract, shall furnish a payment bond in an amount equal to 100 percent of the contract price. See Article 35, General Conditions. 10. PAYMENTS Payments to the successful bidders (contractors) will be made on the basis of monthly estimates. See Article 31, General Conditions. GENERAL CONDITIONS OF THE CONTRACT The use or reproduction of this document or any part thereof is authorized for and limited to use on projects of the State of North Carolina, and is distributed by, through and at the discretion of the State Construction Office, Raleigh, North Carolina, for that distinct and sole purpose. TABLE OF CONTENTS ARTICLE TITLE PAGE 1 Definitions 11 2 Intent and Execution of Documents 12 3 Clarifications and Detail Drawings 13 4 Copies of Drawings and Specifications 13 5 Shop Drawings, Submittals, Samples, Data 13 6 Working Drawings and Specifications at the Job Site 14 7 Ownership of Drawings and Specifications 14 8 Materials, Equipment, Employees 14 9 Royalties, Licenses and Patent 15 10 Permits, Inspections, Fees, Regulations 15 11 Protection of Work, Property and the Public 16 12 Sedimentation Pollution Control Act of 1973 17 13 Inspection of the Work 17 14 Construction Supervision 18 15 Separate Contracts and Contractor Relationships 20 16 Subcontracts and Subcontractors 20 17 Contractor and Subcontractor Relationships 21 18 Designer's Status 22 19 Changes in the Work 23 20 Claims for Extra Cost 24 21 Minor Changes in the Work 26 22 Uncorrected Faulty Work 26 23 Time of Completion, Delays, Extension of Time 26 • 24 Partial Utilization: Beneficial Occupancy 27 25 Final Inspection and Acceptance 28 26 Correction of Work Before Final Payment 28 27 Correction of Work After Final Payment 29 28 Owner's Right to Do Work 29 29 Annulment of Contract 29 30 Contractor's Right to Stop Work or Terminate the Contract 30 31 Requests for Payments 30 32 Certificates of Payment and Final Payment 31 33 Payments Withheld 32 34 Insurance Minimum Requirements 32 35 Performance Bond and Payment Bond 34 36 Contractor's Affidavit 34 37 Assignments 34 38 Use of Premises 34 39 Cutting, Patching and Digging 34 40 Utilities, Structures, Signs 35 41 Cleaning Up 36 42 Guarantee 36 43 Codes and Standards 37 44 Indemnification 37 45 Taxes 37 46 Equal Opportunity Clause 38 47 Employment of the Handicapped 39 48 Asbestos-Containing Materials (ACM) 39 49 Minority Business Participation 39 ARTICLE 1 - DEFINITIONS a. The contract documents consist of the Notice to Bidders; Instructions to Bidders; General Conditions of the Contract; special conditions if applicable; Supplementary General Conditions; the drawing and specifications, including all bulletins, addenda or other modifications of the drawings and specifications incorporated into the documents prior to their execution; the proposal; the contract; the performance bond; the payment bond; insurance certificates; the approval of the attorney general; and the certificate of the Office of State Budget and Management. All of these items together form the contract. b. The owner is the State of North Carolina through the agency named in the contract. c. The designer(s) are those referred to within this contract, or their authorized representatives. The designer(s), as referred to herein, shall mean architect and/or engineer. They will be referred to hereinafter as if each were of the singular number, masculine gender. d. The contractor, as referred to hereinafter, shall be deemed to be either of the several contracting parties called the "Party of the First Part" in either of the several contracts in connection with the total project. Where, in special instances'hereinafter, a particular contractor is intended, an adjective precedes the word "contractor," as "general," "heating," etc. e. A subcontractor, as the term is used herein, shall be understood to be one who has entered into a direct contract with a contractor, and includes one who furnishes materials worked to a special design in accordance with plans and specifications covered by the contract, but does not include one who only sells or furnishes materials not requiring work so described or detailed. f. Written notice shall be defined as notice in writing delivered in person.to the contractor, or to a partner of the firm in the case of a partnership, or to a member of the contracting organization, or to an officer of the organization in the case of a corporation, or sent to the last known business address of the contracting organization by registered mail. g. Work, as used herein as a noun, is intended to include materials, labor and workmanship of the appropriate contractor. h. The project is the total construction work to be performed under the contract documents by the several contractors. i. Project expediter, as used herein, shall be that contractor so designated in the contract documents. The project expediter shall have the following responsibilities: 1. Schedule the work of all contractors. 2. Maintain a project progress schedule for all contractors. 3. Give adequate notice to all contractors to ensure efficient continuity of all phases of the work. 4. Notify the designer of any changes in the project schedule. j. Change order, as used herein, shall mean a written order to the contractor subsequent to the signing of the contract authorizing a change in the contract. The change order shall be signed by the contractor, designer and the owner, and approved by the State Construction Office, in that order (Article 19). k. Time of completion, as stated in the contract documents, is to be interpreted as consecutive calendar days measured from the date established in the written Notice to Proceed, or such other date as may be established herein (Article 23). 1. Liquidated damages, as stated in the contract documents, is an amount reasonably estimated in advance to cover the losses incurred by the owner by reason of failure of the contractor(s) to complete the work within the time specified. m. Surety, as used herein, shall mean the bonding company or corporate body which is bound with and for the contractor, and which engages to be responsible for the contractor and his acceptable performance of the work. ARTICLE 2 - INTENT AND EXECUTION OF DOCUMENTS a. The drawings and specifications are complementary, one to the other. That which is shown on the drawings or called for in the specifications shall be as binding as if it were both called for and shown. The intent of the drawings and specifications is to establish the scope of all labor, materials, transportation, equipment, and any and all other things necessary to provide a complete job. In case of discrepancy or disagreement in the contract documents, the order of precedence shall be: Form of Contract, specifications, large-scale detail drawings, small-scale drawings. b. The wording of the specifications shall be interpreted in accordance with common usage of the language except that words having a commonly used technical or trade meaning shall be so interpreted in preference to other meanings. c. The contractor shall execute each copy of the proposal, contract, performance bond and payment bond as follows: 1. If the documents are executed by a sole owner, that fact shall be evidenced by the word "Owner" appearing after the name of the person executing them. 2. If the documents are executed by a partnership, that fact shall be evidenced by the word "Co-Partner" appearing after the name of the partner executing them. 3. If the documents are executed on the part of a corporation, they shall be executed by either the president or the vice president and attested by the secretary or assistant secretary in either case, and the title of the office of such persons shall appear after their signatures. The seal of the corporation shall be impressed on each signature page of the documents. 4. If the documents are made by a joint venture, they shall be executed by each member of the joint venture in the above form for sole owner, partnership or corporation, whichever form is applicable to each particular member. 5. All signatures shall be properly witnessed. 6. If the contractor's license is held by a person other than an owner, partner or officer of a firm, then the licensee shall also sign and be a party to the contract. The title "Licensee" shall appear under his/her signature. be signed by the contractor, designer and the owner, and approved by the State Construction Office, in that order (Article 19). k. Time of completion, as stated in the contract documents, is to be interpreted as consecutive calendar days measured from the date established in the written Notice to Proceed, or such other date as may be established herein (Article 23). I. Liquidated damages, as stated in the contract documents, is an amount reasonably estimated in advance to cover the losses incurred by the owner by reason of failure of the contractor(s) to complete the work within the time specified. m. Surety, as used herein, shall mean the bonding company or corporate body which is bound with and for the contractor, and which engages to be responsible for the contractor and his acceptable performance of the work. ARTICLE 2 -INTENT AND EXECUTION OF DOCUMENTS a. The drawings and specifications are complementary, one to the other. That which is shown on the drawings or called for in the specifications shall be as binding as if it were both called for and shown. The intent of the drawings and specifications is to establish the scope of all labor, materials, transportation, equipment, and any and all other things necessary to provide a complete job. In case of discrepancy or disagreement in the contract documents, the order of precedence shall be: Form of Contract, specifications, large-scale detail drawings, small-scale drawings. b. The wording of the specifications shall be interpreted in accordance with common usage of the language except that words having a commonly used technical or trade meaning shall be so interpreted in preference to other meanings. c. The contractor shall execute each copy of the proposal, contract, performance bond and payment bond as follows: 1. If the documents are executed by a sole owner, that fact shall be evidenced by the word "Owner" appearing after the name of the person executing them. 2. If the documents are executed by a partnership, that fact shall be evidenced by the word "Co-Partner" appearing after the name of the partner executing them. 3. If the documents are executed on the part of a corporation, they shall be executed by either the president or the vice president and attested by the secretary or assistant secretary in either case, and the title of the office of such persons shall appear after their signatures. The seal of the corporation shall be impressed on each signature page of the documents. 4. If the documents are made by a joint venture, they shall be executed by each member of the joint venture in the above form for sole owner, partnership or corporation, whichever form is applicable to each particular member. 5. All signatures shall be properly witnessed. 6. If the contractor's license is held by a person other than an owner, partner or officer of a firm, then the licensee shall also sign and be a party to the contract. The title "Licensee" shall appear under his/her signature. 7. The bonds shall be executed by an attorney-in-fact. There shall be attached to each copy of the bond a certified copy of power of attorney properly executed and dated. 8. Each copy of the bonds shall be countersigned by an authorized individual agent of the bonding company licensed to do business in North Carolina. The title "Licensed Resident Agent" shall appear after the signature. 9. The seal of the bonding company shall be impressed on each signature page of the bonds. 10. The contractor's signature on the performance bond and the payment bond shall correspond with that on the contract. ARTICLE 3 - CLARIFICATIONS AND DETAIL DRAWINGS a. In such cases where the nature of the work requires clarification by the designer, such clarification shall be furnished by the designer with reasonable promptness by means of written instructions or detail drawings, or both. Clarifications and drawings shall be consistent with the intent of contract documents, and shall become a part thereof. b. The contractor(s) and the designer shall prepare, if deemed necessary, a schedule fixing dates upon which foreseeable clarifications will be required. The schedule will be subject to addition or change in accordance with progress of the work. The designer shall furnish drawings or clarifications in accordance with that schedule. The contractor shall not proceed with the work without such detail drawings and/or written clarifications. ARTICLE 4 - COPIES OF DRAWINGS AND SPECIFICATIONS The designer shall furnish free of charge to the contractors copies of plans and specifications as follows: a. General contractor - Up to twelve (12) sets of general contractor drawings and specifications, up to six (6) sets to include drawings and specifications of all other contracts. b. Each other contractor - Up to six (6) sets of the appropriate drawings and specifications, up to three (3) sets to include drawings and specifications of all other contracts. c. Additional sets shall be furnished at cost, including mailing, to the contractor upon request by the contractor. This cost shall be stated in the bidding documents. d. For the purposes of a single-prime contract, the contractor shall receive up to 30 sets of drawings and specifications. ARTICLE 5 - SHOP DRAWINGS, SUBMITTALS, SAMPLES, DATA a. The contractor shall submit to the designer all shop or setting drawings, descriptive data, samples, color charts, etc., required for the work. All shop drawings shall be reviewed by the contractor and shall bear the contractor's stamp of approval before being forwarded to the designer. Shop drawings shall be submitted in triplicate in time to avoid delay of the work or any part thereof. The designer shall review the shop drawings promptly, noting desired corrections, if any, and shall return two copies to the contractor within twenty (20) calendar days after receipt from the contractor. The contractor shall furnish corrected drawings in triplicate to the designer. Two copies of approved drawings shall be returned to the contractor. b. Approval of shop drawings by the designer shall not be construed as relieving the contractor from responsibility for compliance with the design or terms of the contract documents nor from responsibility for errors of any sort in the shop drawings, unless such lack of compliance or errors first have been called in writing to the attention of the designer by the contractor. ARTICLE 6 - WORKING DRAWINGS AND SPECIFICATIONS AT THE JOB SITE a. The contractor shall maintain, in readable condition at his job office, one complete set of working drawings and specifications for his work including all shop drawings. Such drawings and specifications shall be available for use by the designer or his authorized representative. b. The contractor shall maintain at the job office, a day-to-day record of work-in-place that is at variance _with the contract documents. Such record is to be provided in full to the designer upon completion and acceptance of the project. ARTICLE 7 - OWNERSHIP OF DRAWINGS AND SPECIFICATIONS All drawings and specifications are instruments of service and remain the property of the State of North Carolina. The use of these instruments on work other than this contract without permission of the owner is prohibited. All copies of drawings and specifications other than contract copies shall be returned to the owner upon request after completion of the work. ARTICLE 8 -MATERIALS, EQUIPMENT, EMPLOYEES a. The contractor shall, unless otherwise specified, supply and pay for all labor, transportation, materials, tools, apparatus, lights, power, heat, sanitary facilities, water, scaffolding and incidentals necessary for the completion of his work, and shall install, maintain and remove all equipment of the construction, other utensils or things, and be responsible for the safe, proper and lawful construction, maintenance and use of same, and shall construct in the best and most workmanlike manner, a complete job and everything incidental thereto, as shown on the plans, stated in the specifications, or reasonably implied therefrom, all in accordance with the contract documents. b. All materials shall be new and of quality specified, except where reclaimed material is authorized herein and approved for use. Workmanship shall at all times be of a grade accepted as the best practice of the particular trade involved, and as stipulated in written standards of recognized organizations or institutes of the respective trades except as exceeded or qualified by the specifications. c. Upon notice, the contractor shall furnish evidence as to quality of materials. d. Products are generally specified by ASTM or other reference standard and/or by manufacturer's name and model number or trade name. When specified only by reference standard, the Contractor may select any product meeting this standard, by any manufacturer. When several products or manufacturers are specified as being equally acceptable, the Contractor has the option of using any product and manufacturer combination listed. However, the contractor shall be aware that the cited examples are used only to denote the quality standard of product desired and that they do not restrict bidders to a specific brand, make, manufacturer or specific name; that they are used only to set forth and convey to bidders the general style, type, character and quality of product desired; and that equivalent products will be acceptable. Substitution of materials, items or equipment of equal or equivalent design shall be submitted to the architect or engineer for approval or disapproval; such approval or disapproval shall be made by the architect or engineer prior to the opening of bids. e. Each contractor shall obtain written approval from the designer for the use of substitute products, materials or equipment claimed as equal to those specified. Such approvals must be obtained as soon after contract awards as possible and before any materials are ordered. Applications for approvals shall be made by the contractor and not by subcontractors or material suppliers. The contractor shall submit within twenty (20) days following award of contract a complete list of materials proposed for the job. When this list is approved, no further substitutions will be permitted except in unusual or extenuating circumstances. If no list is submitted, the contractor shall supply materials specified. f. The designer is the judge of equality for proposed substitution of products, materials or equipment. g. If at any time during the construction and completion of the work covered by these contract documents, the conduct of any workman of the various crafts be adjudged a nuisance to the owner or designer, or if any workman be considered detrimental to the work, the contractor shall order such parties removed immediately from grounds. ARTICLE 9 - ROYALTIES, LICENSES AND PATENTS It is the intention of the contract documents that the work covered herein will not constitute in any way infringement of any patent whatsoever unless the fact of such patent is clearly evidenced herein. The contractor shall protect and save harmless the owner against suit on - account of alleged or actual infringement. The contractor shall pay all royalties and/or license fees required on account of patented articles or processes, whether the patent rights are evidenced hereinafter. ARTICLE 10 -PERMITS, INSPECTIONS, FEES, REGULATIONS a. The contractor shall give all notices and comply with all laws, ordinances, codes, rules and regulations bearing on the conduct of-the work under this contract. If the contractor observes that the drawings and specifications are at variance therewith, he shall promptly notify the designer in writing. See Instructions to Bidders, Paragraph 3, Bulletins and Addenda. Any necessary changes required after contract award shall be made by change order in accordance with Article 19. If the contractor performs any work knowing it to be contrary to such laws, ordinances, codes, rules and regulations, and without such notice to the designer, he shall bear all cost arising therefrom. Additional requirements implemented after bidding will be subject to equitable negotiations. b. All work under this contract shall conform to the North Carolina State Building Code and other state, local and national codes as are applicable. The cost of all required inspections and permits shall be the responsibility of the contractor. c. Projects constructed by the State of North Carolina or by any agency or institution of the state are not subject to inspection by any county or municipal authorities and are not subject to county or municipal building codes. The contractor shall, however, cooperate with the county or municipal authorities by obtaining building permits. Permits shall be obtained at no cost. d. Projects involving local funding (community colleges) are subject to county and municipal building codes and inspection by local authorities. These permits and inspections shall be paid by the contractor. ARTICLE 11 -PROTECTION OF WORK, PROPERTY AND THE PUBLIC a. The contractors shall be jointly responsible for the entire site and the building or construction of the same and provide all the necessary protections, as required by the owner or designer, and by laws or ordinances governing such conditions. They shall be responsible for any damage to the owner's property, or of that of others on the job, by them, their personnel, or their subcontractors, and shall make good such damages. They shall be responsible for and pay for any claims against the owner. All contractors shall have access to the project at all times. b. The contractor shall provide cover and protect all portions of the structure when the work is not in progress, provide and set all temporary roofs, covers for doorways, sash and windows, and all other materials necessary to protect all the work on the building, whether set by him, or any of the subcontractors. Any work damaged through the lack of proper protection or from any other cause, shall be repaired or replaced without extra cost to the owner. c. No fires of any kind will be allowed inside or around the operations during the course of construction without special permission from the designer. d. The contractor shall protect all trees and shrubs designated to remain in the vicinity of the operations by building substantial boxes around same. He shall barricade all walks, roads, etc., as directed by the designer to keep the public away from the construction. All trenches, excavations or other hazards in the vicinity of the work shall be well barricaded and properly lighted at night. e. The contractor shall provide all necessary safety measures for the protection of all persons on the job, including the requirements of the A.G.C. Accident Prevention Manual in Construction, as amended, and shall fully comply with all state laws or regulations and North Carolina State Building Code requirements to prevent accident or injury to persons on or about the location of the work. He shall clearly mark or post signs warning of hazards existing, and shall barricade excavations, elevator shafts, stairwells and similar hazards. He shall protect against damage or injury resulting from falling materials and he shall maintain all protective devices and signs throughout the progress of the work. f. The contractor shall adhere to the rules, regulations and interpretations of the North Carolina Department of Labor relating to Occupational Safety and Health Standards for the Construction Industry (Title 29, Code of Federal Regulations, Part 1926, published in Volume 39,Number 122, Part II, June 24, 1974, Federal Register), and revisions thereto as adopted by General Statutes of North Carolina 95-126 through 155. g. The contractor shall designate a responsible member of his organization as safety inspector, whose duties shall include accident prevention on the work project. The name of the safety inspector shall be made known to the designer at the time the work is started. h. In the event of emergency affecting the safety of life, the protection of work, or the safety of adjoining properties, the contractor is hereby authorized to act at his own discretion, without further_authorization from anyone, to prevent such threatened injury or damage. Any compensation claimed by the contractor on account of such action shall be determined as provided for under Article 19(c). ARTICLE 12 - SEDIMENTATION POLLUTION CONTROL ACT OF 1973 a. Any land-disturbing activity performed by the contractor(s) in connection with the project shall comply with all erosion control measures set forth in the contract documents and any additional measures which may be required in order to ensure that the project is in full compliance with the Sedimentation Pollution Control Act of 1973, as implemented by Title 15, North Carolina Administrative Code, Chapter 4, Sedimentation Control, Subchapters 4A, 4B and 4C, as amended (15 N.C.A.C. 4A, 4B and 4C). b. Upon receipt of notice that a land-disturbing activity is in violation of said act, the contractor(s) shall be responsible for ensuring that all steps or actions necessary to bring the project in compliance with said act are promptly taken. c. The contractor(s) shall be responsible for defending any legal actions instituted pursuant to N.C.G.S. 113A-64 against any party or persons described in this article. d. To the fullest extent permitted by law, the contractor(s) shall indemnify and hold harmless the owner, the designer and the agents, consultants and employees of the owner and designer, from and against all claims, damages, civil penalties, losses and expenses, including, but not limited to, attorneys' fees, arising out of or resulting from the performance of work or failure of performance of work, provided that any such claim, damage, civil penalty, loss or expense is attributable to a violation of the Sedimentation Pollution Control Act. Such obligation shall not be construed to negate, abridge or otherwise reduced any other right or obligation of indemnity which would otherwise exist as to any party or persons described in this article. ARTICLE 13 - INSPECTION OF THE WORK a. It is a condition of this contract that the work shall be subject to inspection during normal working hours by the designer, designated official representatives of the owner, and those persons required by state law to test special work for official approval. The contractor shall therefore provide safe access to the work at all times for such inspections. b. All instructions to the contractor will be made only by or through the designer or his designated project representative. Observations made by official representatives of the owner shall be conveyed to the designer for review and coordination prior to issuance to the contractor. c. Where special inspection or testing is required by virtue of any state laws, instructions of the designer, specifications or codes, the contractor shall give adequate notice to the designer of the time set for such inspection or test, if the inspection or test will be conducted by a party other than the designer. Such special tests or inspections will be made in the presence of the designer, or his authorized representative, and it shall be the contractor's responsibility to serve ample notice of such tests. d. All laboratory tests shall be paid by the owner unless provided otherwise in the contract documents except the general contractor shall pay for laboratory tests to establish design mix for concrete, and for additional tests to prove compliance with contract documents where materials have tested deficient except when the testing laboratory did not follow the appropriate ASTM testing procedures. e. Should any work be covered up or concealed prior to inspection and approval by the designer, such work shall be uncovered or exposed for inspection, if so requested by the designer in writing. Inspection of the work will be made promptly upon notice from the contractor. All cost involved in uncovering, repairing, replacing, recovering and restoring to design condition, the work that has been covered or concealed will be paid by the contractor involved. f. If any other portion of the work has been covered which the designer has not specifically requested to observe prior to being covered, the designer may request to see such work and it shall be uncovered by the contractor. If such work be found in accordance with the contract documents, the cost of uncovering and replacement shall, by appropriate change order, be charged to the owner. If such work be found not in accordance with the contract documents, the contractor shall pay such costs unless it be found that this condition was caused by the owner or a separate contractor as provided in Article 15, in which event the owner or the separate contractor shall be responsible for the payment of such costs. ARTICLE 14 - CONSTRUCTION SUPERVISION a. Throughout the progress of the work, each contractor shall keep on the job a competent superintendent or supervisory staff satisfactory to the designer. The superintendent shall not be changed without the consent of the designer unless said superintendent ceases to be employed by the contractor or ceases to be competent. The superintendent shall have authority to act on behalf of the contractor, and instructions, directions or notices given to him shall be as binding as if given to the contractor. However, important directions, instructions and notices will be confirmed in writing to the contractor as will all such items if requested by the contractor. b. The contractor shall examine and study the drawings and specifications and fully understand the project design, and shall provide constant and efficient supervision to the work. Should he discover any discrepancies of any sort in the drawings or specifications, he shall report them to the designer without delay. He will not be held responsible for discrepancies in the drawings and/or specifications, but shall be held responsible to report them should they become known to him. c. All contractors shall be required to cooperate and consult with each other during the construction of this project. Each contractor shall lay out and execute his work so as to cause the least delay to other contractors. Each contractor shall be responsible for any damage to other contractor's work, and each contractor shall be financially responsible to the another contractors for undue delay caused by him to other contractors on the project. d. The contractor is required to attend monthly job site progress conferences as called by the designer. The contractor shall be represented at these job progress conferences by both home office and project personnel. These representatives shall have authority to act on behalf of the contractor. These meetings shall be open to subcontractors, material suppliers and any others who can contribute toward maintaining required job progress. It shall be the principal purpose of these meetings, or conferences, to effect coordination, cooperation and assistance in every practical way toward the end of maintaining progress of the project on schedule and to complete the project within the specified contract time. Each contractor shall be prepared to assess progress of the work as required in his particular contract and to recommend remedial measures for correction of progress as may be appropriate. The designer or his authorized representative shall be the coordinator of the conferences and shall preside as chairman. e. The contractor(s) shall, if required by the Supplementary General Conditions, employ a registered engineer or registered land surveyor to lay out the work and to establish a bench mark nearby in a location where same will not be disturbed and where direct instruments sights may be taken. f. The designer shall designate a project expediter on projects involving two or more prime contracts. The project expediter shall. be designated in the Supplementary General Conditions. g. It shall be the responsibility of the project expediter to cooperate with and obtain from the several contractors on the job their respective schedules and to integrate them into a project progress schedule that will show graphically, by a detailed bar chart, CPM or other acceptable and approved methods, the projected progress of the job from start to finish and within the allotted time frame. All contractors shall review the proposed progress schedule and approve same in writing to the designer and the project expediter. h. The progress schedule shall be presented to the designer no later than thirty (30) days after written notice to proceed. No application for payment will be processed until this schedule is received. i. The schedule will be distributed to all contractors and displayed at the job site. j. The several contractors shall be responsible for their schedule and must notify the project expediter of any changes or adjustments to their schedule. The project expediter shall maintain the progress schedule, making monthly adjustments, updates, corrections, etc., that are necessary, keeping all contractors and the designer fully informed. Failure to provide an updated schedule may be grounds for withholding reduction of retainage as set forth in Article 31. k. The project expediter shall notify each contractor of such events or time frames that are critical to the progress of the job. Such notice shall be timely and reasonable. Should the progress be delayed due to the work of any of the several contractors, it shall be the duty of the project expediter to immediately notify the contractor(s) responsible for such delay, the designer, the State Construction Office and other prime contractors. The designer shall notify the bonding company that the progress is not being maintained and shall make a recommendation to the owner regarding further action. 1. Designation as project expediter entails an additional project control responsibility and does not alter in any way the responsibility of the contractor so designated, nor the responsibility of the other contractors involved in the project. ARTICLE 15 -SEPARATE CONTRACTS AND CONTRACTOR RELATIONSHIPS a. Chapter 143, Article 8, General Statutes of North Carolina, requires separate contracts to be awarded for the general construction, heating and ventilating and air conditioning, plumbing, and electrical installations. The owner reserves the right to prepare separate specifications, receive separate bids, and award separate contracts for such other major items of work as may be in the best interest of the state. Chapter 143, Article 8, was amended June 28, 1989, to allow public contracts to be bid in the alternative as multi- prime or single-prime contracts. b. All contractors shall cooperate with each other in the execution of their work, and shall plan their work-in such manner as to avoid conflicting schedules or delay of the work. See Article 14, Construction Supervision. c. If any part of contractor's work depends upon the work of another contractor, defects which may affect that work shall be reported to the designer in order that prompt inspection may be made and the defects corrected. Commencement of work by a contractor where such condition exists will constitute acceptance of the other contractor's work as being satisfactory in all respects to receive the work commenced, except as to defects which may later develop. The designer shall be the judge as to the quality of work and shall settle all disputes on the matter between contractors. d. Any mechanical or electrical work such as sleeves, inserts, chases, etc., which is located in the work of the general contractor shall be built in by the general contractor. The respective mechanical and electrical contractors shall set all sleeves, inserts and other devices built into the structure in cooperation and under the supervision of the general contractor. The responsibility for the exact location of such items shall be that of the mechanical and/or electrical contractor. e. Should a contractor cause damage to the work or property of another contractor, he shall be directly responsible, and upon notice, shall promptly settle the claim or otherwise resolve the dispute. ARTICLE 16 -SUBCONTRACTS AND SUBCONTRACTORS a. Within fourteen (14) days after award of the contract, the contractor shall submit to the designer and to the State Construction Office a list giving the names and addresses of subcontractors and equipment and material suppliers he proposes to use,.together with the scope of their respective parts of the work. Should any subcontractor be disapproved by the designer, the designer shall submit his reasons for disapproval in writing to the State Construction Office for its consideration with a copy to the contractor. If the State Construction Office concurs with the designer's recommendation, the contractor shall submit a substitute for approval. The designer shall act promptly in the approval of subcontractors, and when approval of the list is given, no changes of subcontractors will be permitted except for cause or reason considered justifiable by the designer. b. The designer will furnish to any subcontractor, upon request, evidence regarding amounts of money paid to the contractor on account of the subcontractor's work. c. The contractor is and remains fully responsible for his own acts or omissions as well as those of any subcontractor or of any employee of either. The contractor agrees that no contractual relationship exists between the subcontractor and the owner in regard to the contract, and that the subcontractor acts on this work as an agent or employee of the contractor. d. The owner reserves the right to limit the amount of portions of work to be subcontracted as hereinafter specified. ARTICLE 17- CONTRACTOR AND SUBCONTRACTOR RELATIONSHIPS The contractor agrees that the terms of these contract documents shall apply equally to each subcontractor as to the contractor, and the contractor agrees to take such action as may be necessary to bind each subcontractor to these terms. The contractor further agrees to conform to the Code of Ethical Conduct as adopted by the Associated General Contractors of America, Inc., with respect to contractor-subcontractor relationships, and that payments to subcontractors shall be made in accordance with the.provisions of G.S. 143-134.1 titled Interest on final payments due to prime contractors: payments to subcontractors. a. On all public construction contracts which are let by a board or governing body of the state government or any political subdivision thereof, except contracts let by the Department of Transportation pursuant to G.S. 136-28.1, the balance due prime contractors shall be paid in full within 45 days after respective prime contracts of the project have been accepted by the owner, certified by the architect, engineer or designer to be completed in accordance with terms of the plans and specifications, or occupied by the owner and used for the purpose for.which the project was constructed, whichever occurs first. Provided, however, that whenever the architect or consulting engineer in charge of the project determines that delay in completion of the project in accordance with terms of the plans and specifications is the fault of the contractor, the project may be occupied and used for the purposes for which it was constructed without payment of any interest on amounts withheld past the 45day limit. No payment shall be delayed because of the failure of another prime contractor on such project to complete his contract. Should final payment to any prime contractor beyond the date such contracts have been certified to be completed by the designer or architect, accepted by the owner, or occupied by the owner and used for the purposes for which the project was constructed, be delayed by more than 45 days, said prime contractor shall be paid interest, beginning on the 46th day, at the rate of one percent (1%) per month or fraction thereof unless a lower rate is agreed upon on such unpaid balance as may be due. In addition to the above final payment provisions, periodic payments due a prime contractor during construction shall be paid in accordance with the payment provisions of the contract documents or said prime contractor shall be paid interest on any such unpaid amount at the rate stipulated above for delayed final payments. Such interest shall begin on the date the payment is due and continue until the date on which payment is made. Such due date may be established by the terms of the contract. Funds for payment of such interest on state-owned projects shall be obtained from the current budget of the owning department, institution or agency. Where a conditional acceptance of a contract exists, and where the owner is retaining a reasonable sum pending correction of such conditions, interest on such reasonable sum shall not apply. b. Within seven days of receipt by the prime contractor of each periodic or final payment, the prime contractor shall pay the subcontractor based on work completed or service provided under the subcontract. Should any periodic or final payment to the subcontractor be delayed by more than seven days after receipt of periodic or final payment by the prime contractor, the prime contractor shall pay the subcontractor interest, beginning on the eighth day, at the rate of one percent (1%) per month or fraction thereof on such unpaid balance as may be due. c. The percentage of retainage on payments made by the prime contractor to the subcontractor shall not exceed the percentage of retainage on payments made by the owner to the prime contractor. Any percentage of retainage on payments made by the prime contractor to the subcontractor that exceeds the percentage of retainage on payments made by the owner to the prime contractor shall be subject to interest to be paid by the prime contractor to the subcontractor at the rate of one percent (1%) per month or fraction thereof. d. Nothing in this section shall prevent the prime contractor at the time of application and certification to the owner from withholding application and certification to the owner for payment to the subcontractor for unsatisfactory job progress; defective construction not remedied; disputed work; third-party claims filed or reasonable evidence that claim will be filed; failure of subcontractor to make timely payments for labor, equipment and materials; damage to prime contractor or another subcontractor; reasonable evidence that subcontract cannot be completed for the unpaid balance of the subcontract sum; or a reasonable amount for retainage not to exceed the initial percentage retained by owner. ARTICLE 18 -DESIGNER'S STATUS a. The designer shall provide general administration of the performance of construction contracts, including liaison and necessary inspection of the work to ensure compliance with plans and specifications. He is the agent of the owner only for the purpose of constructing this work and to the extent stipulated in the contract documents. He has authority to stop work or to order work removed, or to order corrections of faulty work where such action may be necessary to assure successful completion of the work. b. The designer is the impartial interpreter of the contract documents, and, as such, he shall exercise his powers under the contract to enforce faithful performance by both the owner and the contractor, taking sides with neither. c. Should the designer cease to be employed on the work for any reason whatsoever, then the owner shall employ a competent replacement who shall assume the status of the former designer. d. The designer will make periodic inspections of the project at intervals appropriate to the stage of construction. He will inspect the progress, the quality and the quantity of the work. e. The designer and the owner shall have access to the work whenever it is in preparation and progress during normal working hours. The contractor shall provide facilities for such access so the designer may perform his functions under the contract documents. f. Based on the designer's inspections and evaluations of the project, the designer shall issue interpretations, directives and decisions as may be necessary to administer the project. His decisions relating to artistic effect and technical matters shall be final, provided such decisions are within the limitations of the contract. ARTICLE 19 - CHANGES IN THE WORK a. The owner may have changes made in the work covered by the contract. These changes will not invalidate and will not relieve or release the contractor from any guarantee given by him pertinent to the contract provisions. These changes will not affect the validity of the guarantee bond and will not relieve the surety or sureties of said bond. All extra work shall be executed under conditions of the original contract. b. Except in an emergency endangering life or property, NO CHANGE SHALL BE MADE BY THE CONTRACTOR EXCEPT UPON WRITTEN ORDER FROM THE DESIGNER, COUNTERSIGNED BY THE OWNER AND THE STATE CONSTRUCTION OFFICE AUTHORIZING SUCH CHANGE. AND NO CLAIM FOR ADJUSTMENTS OF THE CONTRACT PRICE SHALL BE VALID UNLESS THIS PROCEDURE IS FOLLOWED. c. In determining the values of changes, either additive or deductive, contractors are restricted to the use of the following methods: 1. Where the extra work involved is covered by unit prices quoted in the proposal, the value of the change shall be computed by application of unit prices based on quantities, estimated or actual as agreed of the items involved. 2. The contracting parties shall negotiate and agree upon the equitable value of the change prior to issuance of the change order, and the change order shall stipulate the corresponding lump sum adjustment to the contract price. d. In the event of emergency endangering life or property, the contractor may be directed to proceed on a time and material basis whereupon the contractor shall proceed and keep accurately on such form as may be required, a correct account of costs together with all - proper invoices, payrolls and supporting data. Upon completion of the work the change order will be prepared as outlined under either Method "c(1)" or Method "c(2)" or both. e. Under Methods "c(2)" and Paragraph "d" above, the allowances for overhead and profit combined shall not exceed twenty percent (20%) of net cost except where the change involves a subcontractor, allowance shall not exceed fifteen percent (15%) for the subcontractor, and ten percent (10%) for the prime contractor. Under Method "c(1)", no additional allowances shall be made for overhead and profit. In the case of deductible change orders, under Method "c(2)" and Paragraph "d" above, the contractor shall include no less than ten percent (10%) profit, but no allowances for overhead. f. The term "net cost" as used herein shall mean the difference between all proper cost additions and deductions. The "cost" as used herein may include all items of material and labor, rental value of power tools and equipment, bond adjustments and sales tax. The allowance for labor burden which includes such items of cost as workmen's compensation insurance, unemployment insurance, special insurance, Social Security and old age benefit, and fringe benefits shall be actual costs not to exceed thirty-five percent (35%) of total labor cost. Overtime and extra pay for holidays and weekends may be a cost item only to the extent approved by the owner. g. The following items shall be considered as overhead: insurance other than mentioned above, supervision, superintendents, timekeepers, clerks, expediters, watchmen, small tools, incidental job burdens and general office expense, and all other items not included in "cost" as above defined. h. Should concealed conditions be encountered in the performance of the work below grade, or should concealed or unknown conditions in an existing structure be at variance with the conditions indicated by the contract documents, the contract sum and time for completion may be equitably adjusted by change order upon claim by either party made within thirty (30) days after the condition has been identified. The cost of such change shall be arrived at by one of the foregoing methods. ALL CHANGE ORDERS SHALL BE SUPPORTED BY A BREAKDOWN SHOWING METHOD OF ARRIVING AT NET COST AS DEFINED ABOVE. i. In all change orders, normal procedure will be for the designer to obtain quotations and supporting data, and verify correctness. The designer shall prepare the change order, secure the contractor's signature, certify the change order by his signature, and forward the change order and all supporting data to the owner for the owner's signature. The owner will forward the change order to the State Construction Office for final approval. All change orders shall be properly executed and forwarded to the State Construction Office within fourteen (14) days of the contractor's signature. The State Construction Office shall act on the change order within seven (7) days. Upon approval by the State Construction Office, one copy remains with the State Construction Office, one copy is sent to the owner, and the remaining copies are sent to the designer for distribution to the contractor(s) and the surety. In case of emergency or extenuating circumstances, approval of changes may be obtained verbally by telephone or field orders approved by all parties,then shall be substantiated in writing as outlined under normal procedure. j. At the time of signing a change order, the contractor shall be required to certify as follows: "I certify that my bonding company will be notified forthwith that my contract has been changed by the amount of this change order, and that a copy of the approved change order will be mailed upon receipt by me to my surety." k. A change order, when issued, shall be full compensation, or credit, for the extra work included, omitted or substituted. It shall show on its face the adjustment in time for completion of the project as a result of the change in the work. I. If, during the progress of the work, the owner requests a change order and the contractor's terms are unacceptable, the owner without prejudice, with the approval of the State Construction Office, may perform or have performed that portion of the work requested in the change order. ARTICLE 20 -CLAIMS FOR EXTRA COST a. Should the contractor consider that as a result of any instructions given in any form by the designer, he is entitled to extra cost above that stated in the contract, he shall give written notice thereof to the designer within seven (7) days without delay, and shall not proceed with the work affected until further advised, except in emergency involving the safety of life or property, which condition is covered in Article 19(d) and Article 11(h). No claims for extra compensation will be considered unless the claim is so made. The designer shall render a written decision within seven (7) days of receipt of claim. b. THE CONTRACTOR SHALL NOT ACT ON INSTRUCTIONS RECEIVED BY HIM FROM PERSONS OTHER THAN THE DESIGNER, AND ANY CLAIMS FOR EXTRA COMPENSATION OR EXTENSION OF TIME ON ACCOUNT OF SUCH INSTRUCTION WILL NOT BE HONORED. The designer will not be responsible for misunderstandings claimed by the contractor of verbal instructions which have not been confirmed in writing, and in no case shall instructions be interpreted as permitting a departure from the contract documents unless such instruction is confirmed in writing and supported by a properly authorized change order. c. Should a claim for extra compensation by the contractor be denied by the designer or owner, and cannot be resolved by a representative of the State Construction Office, the contractor may pursue his claim in accordance with the provisions of G.S. 143-135.3 and the following: 1. A contractor who has not completed a contract with a board for construction or repair work and who has not received the amount he claims is due under the contract may submit a verified written claim to the director of the State Construction Office of the Department of Administration for the amount the contractor claims is due. The director may deny, allow or compromise the claim, in whole or in part. A claim under this subsection is not a contested case under Chapter 150B of the General Statutes. 2. (a) A contractor who has completed a contract with a board for construction or repair work and who has not received the amount he claims is due under the contract may submit a verified written claim to the director of the State Construction Office of the Department of Administration for the amount the contractor claims is due. The claim shall be submitted within sixty (60) days after the contractor receives a final statement of the board's disposition of his claim and shall state the factual basis for the claim. (b) The director shall investigate a submitted claim within ninety (90) days of receiving the claim, or within any longer time period upon which the director and the contractor agree. The contractor may appear before the director, either _ in person or through counsel, to present facts and arguments in support of his: - claim. The director may allow, deny or compromise the claim, in whole or in part. The director shall give the contractor a written statement of the director's decision on the contractor's claim. (c) A contractor who is dissatisfied with the director's decision on a claim submitted under this subsection may commence a contested case on the claim under Chapter 150B of the General Statutes. The contested case shall be commenced within sixty (60) days of receiving the director's written statement of the decision. (d) As to any portion of a claim that is denied by the director, the contractor may, in lieu of the procedures set forth in the preceding subsection of this section, within six (6) months of receipt of the director's final decision, institute a civil action for the sum he claims to be entitled to under the contract by filing a verified complaint and the issuance of a summons in the Superior Court of Wake County or in the superior court of any county where the work under the contract was performed. The procedure shall be the same as in all civil actions except that all issues shall be tried by the judge,without a jury. ARTICLE 21 -MINOR CHANGES IN THE WORK The designer will have the authority to order minor changes in the work not involving an adjustment in the contract sum or time for completion, and not inconsistent with the intent of the contract documents. Such changes shall be effected by written order, copied to the State Construction Office, and shall be binding on the owner and the contractor. ARTICLE 22 - UNCORRECTED FAULTY WORK Should the correction of faulty or damaged work be considered inadvisable or inexpedient by the owner and the designer, the owner shall be reimbursed by the contractor. A change order will be issued to reflect a reduction in the contract sum. ARTICLE 23 -TIME OF COMPLETION, DELAYS, EXTENSION OF TIME a. The time to be allowed for construction is stated in the Supplementary General Conditions and in the Form of Proposal. The project expediter, Article 1(i) and Article 14, upon notice of award of contract, shall confer with other contractors, prepare a construction schedule based on the allowed time, and submit such a schedule to the other contractors for approval and coordination with a copy to the designer for comment. When the schedule has been approved by all contractors, the project expediter shall distribute copies to all contractors, the designer and the owner. All contractors shall maintain progress in accordance with the schedule and with terms of the construction contract. The progress schedule shall be revised as required by the project expediter in cooperation with other contractors and the designer. See Article 14. b. The contractors shall commence work to be performed under this agreement on a date to be specified in a written order from the designer and shall fully complete all work hereunder within the number of consecutive calendar days stated. For each day in excess of the above number of days, the contractor(s) shall pay the owner the sum stated as liquidated damages reasonably estimated in advance to cover the losses to be incurred by the owner by reason of failure of said contractor(s) to complete the work within the time specified, such time being in the essence of this contract and a material consideration thereof. c. The designer shall be the judge as to the division of responsibility between the contractor(s), based on the construction schedule, weekly reports and job records, and shall apportion the amount of liquidated damages to be paid by each of them, according to delay caused by any or all of them. d. If the contractor is delayed at any time in the progress of his work by any act or negligence of the owner or the designer, or by any employee of either; by any separate contractor employed by the owner; by changes ordered in the work; by labor disputes at the project site; by abnormal weather conditions not reasonably anticipated for the locality where the work is performed; by unavoidable casualties; by any causes beyond the contractor's control; or by any other causes which the designer and owner determine may justify the delay, then the contract time may be extended by change order for the time which the designer and owner may determine is reasonable. Time extensions will not be granted for rain, wind, snow or other natural phenomena of normal intensity for the locality where work is performed. For purpose of determining extent of delay attributable to unusual weather phenomena, a determination shall be made by comparing the weather for the contract period involved with the average of the preceding five (5) year climatic range during the same time interval based on the National Oceanic and Atmospheric Administration National Weather Service statistics for the locality where work is performed and on daily weather logs kept on the job site by the contractor reflecting the effect of the weather on progress of the work and initialed by the designer's representative. Time extensions for weather delays do not • entitle the contractor to "extended overhead" recovery. e. Request for extension of time shall be made in writing within twenty (20) days following cause of delay. In case of continuing cause for delay, only one claim is necessary. f. The contractor shall notify his surety in writing of extension of time granted. g. No claim shall be allowed on account of failure of the designer to furnish drawings or instructions until two (2) weeks after demand for such drawings and/or instructions. See Article 3. ARTICLE 24 - PARTIAL UTILIZATION BENEFICIAL OCCUPANCY a. The owner may desire to occupy all or a portion of the project when the work is substantially complete. b. Prior to the final payment, the owner, with the approval of the State Construction Office, may request the contractor(s) in writing, through the designer if applicable, to permit him to use a specified part of the project which he believes he may use without significant interference with construction of the other parts of the project. If the contractor(s) agree, the designer will schedule a beneficial occupancy inspection, with the approval of the State Construction Office, after which the designer may issue a certificate of substantial completion. The certificate shall include the following documentation: 1. Date of substantial completion. 2. A tentative list of items to be completed or corrected before final payment. 3. Establishing responsibility between contractor and owner for maintenance, heat, utilities and insurance. 4. Establishing the date for guarantees and warranties under terms of the contract. 5. Consent of surety. 6. Endorsement from insurance company permitting occupancy. c. The owner shall have the right to exclude the contractor from any part of the project which the designer has so certified to be substantially complete, but the owner will allow the contractor reasonable access to complete or correct work to bring it into compliance with the contract. d. Occupancy by the owner under this article will in no way relieve the contractor from his contractual requirement to complete the project within the specified time. The contractor will not be relieved of liquidated damages because of beneficial occupancy. The designer may prorate liquidated damages based on the percentage of project occupied. ARTICLE 25 - FINAL INSPECTION AND ACCEPTANCE a. The designer shall determine when the work is completed and ready for final inspection and shall schedule a final inspection at a time and date acceptable to the owner, contractor(s) and State Construction Office. b. When contractors finish their work prior to completion by other contractors, these contracts shall be closed out through the final inspection, acceptance and final payment process on recommendation of the designer and approval of the State Construction Office. c. At the final inspection, the designer shall, if job conditions warrant, record a list of items that are found to be incomplete or not in accordance with the contract documents. At the conclusion of the final inspection, the designer shall make the following determinations: 1. That the project is completed and accepted. 2. That the project is accepted subject to the list of discrepancies (punch list). All punch list items must be completed within thirty (30) days of acceptance or the owner may invoke Article 28, Owner's Right to Do Work. 3. That the project is not complete and another date for a final inspection will be established. d. The date of acceptance will establish the following: 1. The beginning of guarantees and warranties period. 2. The date on which the contractor's insurance coverage for public liability, property damage and builder's risk may be terminated. 3. That no liquidated damages (if applicable) shall be assessed after this date. 4. The termination date of utility cost to the contractor. ARTICLE 26 - CORRECTION OF WORK BEFORE FINAL PAYMENT a. Any work, materials, fabricated items or other parts of the work which have been condemned or declared not in accordance with the contract by the designer shall_be promptly removed from the work site by the contractor, and shall be immediately replaced by new work in accordance with the contract at no additional cost to the owner. Work or property of other contractors or the owner, damaged or destroyed by virtue of such faulty work, shall be made good at the expense of the contractor whose work is faulty. b. Correction of condemned work described above shall commence within twenty-four (24) hours after receipt of notice from the designer, and shall make satisfactory progress until completed. c. Should the contractor fail to proceed with the required corrections, then the owner may complete the work in accordance with the provisions of Article 28. ARTICLE 27 - CORRECTION OF WORK AFTER FINAL PAYMENT See Article 35, Performance Bond and Payment Bond, and Article 42, Guarantee. Neither the final certificate, final payment, occupancy of the premises by the owner, nor any provision of the contract, nor any other act or instrument of the owner, nor the designer, shall relieve the contractor from responsibility for negligence, or faulty material or workmanship, or failure to comply with the drawings and specifications. He shall correct or make good any defects due thereto and repair any damage resulting therefrom which may appear during the guarantee period following final acceptance of the work except as stated otherwise under Article 42, Guarantee. The owner will report any defects as they may appear to the contractor and establish a time limit for completion.of corrections by the contractor. The owner will be the judge as to the responsibility for correction of defects. ARTICLE 28 - OWNER'S RIGHT TO DO WORK If, during the progress of the work or during the period of guarantee, the contractor fails to prosecute the work properly or to perform any provision of the contract, the owner, after fifteen (15) days' written notice sent by certified mail, return receipt requested, to the contractor from the designer, may perform or have performed that portion of the work. The cost of the work may be deducted from any amounts due or to become due to the contractor, such action and cost of same having been first approved by the designer. Should the cost of such action of the owner exceed the amount due or to become due the contractor, then the contractor or his surety, or both, shall be liable for and shall pay to the owner the amount of said excess. ARTICLE 29 - ANNULMENT OF CONTRACT If the contractor fails to begin the work under the contract within the time specified, or the progress of the work is not maintained on schedule, or the work is not completed within the time above specified, or fails to perform the work with sufficient workmen and equipment or with sufficient materials to ensure the prompt completion of said work, or shall perform the work unsuitably or shall discontinue the prosecution of the work, or if the contractor shall become insolvent or be declared bankrupt or commit any act of bankruptcy or insolvency, or allow any final judgment to stand against him unsatisfied for a period of forty-eight (48) hours, or shall make an assignment for the benefit of creditors, or for any other cause whatsoever shall not carry on the work in an acceptable manner, the owner may give notice in writing, sent by certified mail, return receipt requested, to the contractor and his surety of such delay, neglect or default, specifying the same, and if the contractor within a period of fifteen (15) days after such notice shall not proceed in accordance therewith, then the owner shall, declare this contract in default, and, thereupon, the surety shall promptly take over the - work and complete the performance of this contract in the manner and within the time frame specified. In the event the surety shall fail to take over the work to be done under this contract within fifteen (15) days after being so notified and notify the owner in writing, sent by certified mail, return receipt requested, that he is taking the same over and stating that he will diligently pursue and complete the same, the owner shall have full power and authority, without violating the contract, to take the prosecution of the work out of the hands of said contractor, to appropriate or use any or all contract materials. and equipment on the grounds as may be suitable and acceptable and may enter into an agreement, either by public letting or negotiation, for the completion of said contract according to the terms and provisions thereof or use such other methods as in his opinion shall be required for the completion of said contract in an acceptable manner. All costs and charges incurred by the owner, together with the costs of completing the work under contract, shall be deducted from any monies due or which may become due said contractor and surety. In case the expense so incurred by the owner shall be less than the sum which would have been payable under the contract, if it had been completed by said contractor, then the said contractor and surety shall be entitled to receive the difference, but in case such expense shall exceed the sum which would have been payable under the contract, then the contractor and the surety shall be liable and shall pay to the owner the amount of said excess. ARTICLE 30- CONTRACTOR'S RIGHT TO STOP WORK OR TERMINATE THE CONTRACT a. Should the work be stopped by order of a court having jurisdiction, or by order of any other public authority for a period of three months, due to cause beyond the fault or • control of the contractor, or if the owner should fail or refuse to make payment on account of a certificate issued by the designer within thirty (30) days after receipt of same, then the contractor, after fifteen (15) days' written notice sent by certified mail, return receipt requested, to the owner and the designer, may suspend operations on the work or terminate the contract. b. The owner shall be liable to the contractor for the cost of all materials delivered and work performed on this contract plus 20 percent overhead and profit and shall make such payment. The designer shall be the judge as to the correctness of such payment. ARTICLE 31 - REQUEST FOR PAYMENT a. Not later than the fifth day of the month, the contractor shall submit to the designer a request for payment for work done during the previous month. The request shall be in the form agreed upon between the contractor and the designer, but shall show substantially the value of work done and materials delivered to the site during the period since the last payment, and shall sum up the financial status of the contract with the following information: 1. Total of contract including change orders. 2. Value of work completed to date. 3. Less five percent(5%) retainage, provided however, that after fifty percent (50%) of the work has been satisfactorily completed on schedule, with approval of the owner and the State Construction Office and written consent of the surety, further requirements for retainage will be waived only so long as work continues to be completed satisfactorily and on schedule. 4. Less previous payments. 5. Current amount due. b. The contractor, upon request of the designer, shall substantiate the request with invoices of vouchers or payrolls or other evidence. c. Prior to submitting the first request, the contractor shall prepare for the designer a schedule showing a breakdown of the contract price into values of the various parts of the work, so arranged as to facilitate payments to subcontractors in accordance with Article 17, Contractor and Subcontractor Relationships. d. When payment is made on account of stored materials and equipment, such materials must be stored on the owner's property, and the requests for payments shall be accompanied by invoices or bills of sale or other evidence to establish the owner's title to such materials and equipment. Responsibility for such stored materials and equipment shall remain with the contractor regardless of ownership title. Such stored materials and equipment shall not be removed from the owner's property. Should the space for storage on-site be limited, the contractor, at his option, shall be permitted to store such materials. and/or equipment in a suitable space off-site. Should the contractor desire to include any such materials or equipment in his application for payment, they must be stored in the name of the owner in a commercial warehouse approved by the designer and the State Construction Office and located as close to the site as possible. The warehouse selected must be approved by the contractor's bonding and insurance companies; the material to be paid for shall be assigned to the owner and shall be inspected by the designer. Upon approval by the designer of the storage facilities and materials and equipment, payment therefore will be certified. Responsibility for such stored materials and equipment shall remain with the contractor. Such stored materials and equipment shall not be moved except for transportation to the project site. Under certain conditions, the designer may approve storage of materials at the point of manufacture, which conditions shall be approved by the designer, the owner and the State Construction Office prior to approval for the storage and shall include an agreement by the storing party which unconditionally gives the State absolute right to possession of the materials at anytime. Bond, security and insurance protection shall continue to be the responsibility of the contractor(s). e. In the event of beneficial occupancy, retainage of funds due the contractor(s) may be reduced with the approval of the State Construction Office to an equitable amount to cover the list of items to be completed or corrected. Retainage may not be reduced to less than two and one-half(2 1/2) times the estimated value of the work to be completed or corrected. Reduction of retainage must be with the consent and approval of the contractor's bonding company. ARTICLE 32 - CERTIFICATES OF PAYMENT AND FINAL PAYMENT a. Within five (5) days from receipt of request for payment from the contractor, the designer shall issue and forward to the owner a certificate for payment. This certificate shall indicate the amount requested or as approved by the designer. If the certificate is not approved by the designer, he shall state in writing to the contractor and the owner his reasons for withholding payment. b. No certificate issued or payment made shall constitute an acceptance of the work or any part thereof. The making and acceptance of final payment shall constitute a waiver of all claims by the owner except: 1. Claims arising from unsettled liens or claims against the contractor. 2. Faulty work or materials appearing after final payment. 3. Failure of the contractor to perform the work in accordance with drawings and specifications, such failure appearing after payment. 4. As conditioned in the performance bond and payment bond. c. The making and acceptance of final payment shall constitute a waiver of all claims by the contractor except those claims previously made and remaining unsettled (Article 20(c)). d. The designer will not authorize final payment until the work under contract has been certified by designer, and certificates of compliance issued (G.S. 133-1.1). e. Final certificate of payment shall be accompanied by the following: 1. Warranties and guarantees required by the contract. 2. Release and waiver of claim for prime contractors. 3. Affidavit of contractors of payment to material suppliers and subcontractors. (See Article 36.) 4. Certificates of state agencies required by state law. 5. Certificate of compliance by designer. 6. Consent of surety to final payment. ARTICLE 33 -PAYMENTS WITHHELD a. The designer with the approval of the State Construction Office may withhold payment for the following reasons: 1. Faulty work not corrected. 2. The unpaid balance on the contract is insufficient to complete the work in the judgment of the designer. 3. To provide for sufficient contract balance to cover liquidated damages that will be assessed. b. The secretary of the Department of Administration may authorize the withholding of payment for the following reasons: 1. Claims filed against the contractor or evidence that a claim will be filed. 2. Evidence that subcontractors have not been paid. c. When grounds for withholding payments have been removed, payment will be released. Delay of payment due the contractor without cause will make owner liable for payment of interest to the contractor as provided in G.S. 143-134.1. ARTICLE 34 -MINIMUM INSURANCE REQUIREMENTS The work under this contract shall not commence until the contractor has obtained all required insurance and verifying certificates of insurance have been approved in writing by the owner. These certificates shall contain a provision that coverages afforded under the policies will not be cancelled, reduced in amount or coverages eliminated until at least thirty (30) days after mailing written notice, by certified mail, return receipt requested, to the insured and the owner of such alteration or cancellation. a. Workmen's Compensation and Employer's Liability The contractor shall provide and maintain, during the life of the contract, workmen's compensation insurance, as required by law, as well as employer's liability coverage with minimum limits of$100,000. b. Public Liability and Property Damage The contractor shall provide and maintain, during the life of the contract, comprehensive general liability insurance, including coverage for premises operations, independent contractors, completed operations, products and contractual exposures, as shall protect such contractors from claims arising out of any bodily injury, including accidental death, as well as from claims for property damages which may arise from operations under this contract, whether such operations be by the contractor or by any subcontractor, or by anyone directly or indirectly employed by either of them and the minimum limits of such insurance shall be as follows: Bodily Injury*: $500,000 per occurrence Property Damage*: $100,000 per occurrence/$300,000 aggregate • *$500,000: Combined single limit shall satisfy both conditions. Such coverage for completed operations must,be maintained for at least two (2) years following final acceptance of the work performed under the contract. c. Property Insurance The contractor shall purchase and maintain property insurance during the life of this contract, upon the entire work at the site to the full insurable value thereof. This insurance shall include the interests of the owner, the contractor, the subcontractors and subsubcontractors in the work and shall insure against the perils of fire, extended coverage, and vandalism and malicious mischief. If the owner is damaged by failure of the contractor to purchase or maintain such insurance, then the contractor shall bear all reasonable costs properly attributable thereto; the contractor shall effect and maintain similar property insurance on portions of the work stored off the site when request for payment per articles so includes such portions. d. Deductible Any deductible, if applicable to loss covered by insurance provided, is to be borne by the contractor. e. Other Insurance The contractor shall obtain such additional insurance as may be required by the owner or by the General Statutes of North Carolina including motor vehicle insurance, in amounts not less than the statutory limits. f. Proof of Carriage The contractor shall furnish the owner with satisfactory proof of carriage of the insurance required before written approval is granted by the owner. ARTICLE 35 -PERFORMANCE BOND AND PAYMENT BOND a. Each contractor shall furnish a performance bond and payment bond executed by a surety company authorized to do business in North Carolina. The bonds shall be in the full contract amount. Bonds shall be executed in the form bound with these specifications (Section 307 and Section 308). b. All bonds shall be countersigned by an authorized agent of the bonding company who is licensed to do business in North Carolina. ARTICLE 36 - CONTRACTOR'S AFFIDAVIT The final payment of retained amount due the contractor on account of the contract shall not become due until the contractor has furnished to the owner through the designer an affidavit signed, sworn and notarized to the effect that all payments for materials, services or subcontracted work in connection with his contract have been satisfied, and that no claims or liens exist against the contractor in connection with this contract. In the event that the contractor cannot obtain similar affidavits from subcontractors to protect the contractor and the owner from possible liens or claims against the subcontractor, the contractor shall state in his affidavit that no claims or liens exist against any subcontractor to the best of his (the contractor's) knowledge, and if any appear afterward, the contractor shall save the owner harmless. ARTICLE 37-ASSIGNMENTS The contractor shall not assign any portion of this contract nor subcontract in its entirety. Except as may be required under terms of the performance bond or payment bond, no funds or sums of money due or become due the contractor under the contract may be assigned. ARTICLE 38-USE OF PREMISES a. The contractor(s) shall confine his apparatus, the storage of materials and the operations of his workmen to limits indicated by law, ordinances, permits or directions of the designer and shall not exceed those established limits in his operations. b. The contractor(s) shall not load or permit any part of the structure to be loaded with a weight that will endanger its safety. c. The contractor(s) shall enforce the designer's instructions regarding signs, advertisements, fires and smoking. ARTICLE 39- CUTTING, PATCHING AND DIGGING a. The contractor shall do all cutting, fitting or patching of his work that may be required to make its several parts come together properly and fit it to receive or be received by work of other contractors shown upon or reasonably implied by the drawings and specifications for the completed structure, as the designer may direct. b. Any cost brought about by defective or ill-timed work shall be borne by the party responsible therefor. c. No contractor shall endanger any work of another contractor by cutting, digging or other means.' No contractor shall cut or alter the work of any other contractor without the consent of the designer and the affected contractor(s). ARTICLE 40 - UTILITIES, STRUCTURES, SIGNS a. The project expediter shall provide necessary and adequate facilities and pay all costs for water, electricity, gas, oil, sewer and other utility services which may be necessary and required for completion of the project according to the contract documents. Any permanent meters installed shall be listed in the project expediter's name until his work is fully accepted by the owner. b. Meters shall be relisted in the owner's name on the day following completion and acceptance of the project expediter's work, and the owner shall pay for services used after that date. c. The owner shall be reimbursed for all metered utility service charges paid by or attributed to the owner after the meter is relisted in the owner's name and prior to completion and acceptance of the work of all contractors. Reimbursement shall be made by the contractor whose work has not been completed and accepted. If the work of two or more contractors has not been completed and accepted, reimbursement to the owner shall be paid by the contractors involved on the basis of assessments by the designer. d. All contractors shall have the permanent building systems in sufficient readiness for furnishing temporary climatic control at the time a building is enclosed. The HVAC systems shall maintain climatic control throughout the enclosed portion of the building sufficient to allow completion of the interior finishes of the building. A building shall be. _ considered enclosed when it has windows installed and when doorways and other - openings have protection which will provide reasonable climatic control. The appropriate climatic condition shall be jointly determined by the contractor(s) and the designer. Use of the equipment in this manner shall in no way affect the warranty requirements of the contractor(s). e. The electrical contractor shall have the building's permanent power wiring distribution system in sufficient readiness to provide power as required by the HVAC contractor for temporary climatic control. f. The electrical contractor shall have the building's permanent lighting system ready at the time the general contractor begins interior painting and shall provide adequate lighting in those areas where interior painting and finishing is being performed. g. Each prime contractor shall be responsible for his permanently fixed service facilities and systems in use during progress of the work. The following procedures shall be strictly adhered to: 1. Prior to acceptance of work by the owner, each contractor shall remove and replace any parts, of the permanent building systems damaged through use during construction. 2. Temporary filters shall be installed in each of the heating and air conditioning units during construction. New filters shall be installed in each unit prior to the owner's acceptance of the work. 3. Extra effort shall be maintained to keep the building clean and under no circumstances shall air systems be operated if finishing operations are creating dust in excess of what would be considered normal if the building were occupied. The designer may require that return grilles in the habitable space also be covered with filter media. The intent is to present the duct system in a clean condition at final inspection. 4. It shall be understood that any warranty on equipment presented to the owner shall extend from the day of final acceptance by the owner. The cost of warranting the equipment during operation in the finishing stages of construction shall be borne by the contractor whose system is utilized. 5. The electrical contractor shall have all lamps in proper working condition at the time of final project acceptance. h. The project expediter shall provide, if required and where directed, a shed for toilet facilities and shall furnish and install in this shed all water closets required for a complete and ,adequate sanitary arrangement. These facilities will be available to other contractors on the job and shall be kept in a neat and sanitary condition at all times. Chemical toilets are acceptable. i. The project expediter shall, if required by the Supplementary General Conditions and where directed, erect a temporary field office, complete with lights, telephone, heat and air conditioning. A portion of this office shall be partitioned off, of sufficient size, for the use of a resident inspector, should the designer so direct. j. The project expediter will erect one sign on the project if required. The sign shall be of sound construction, and shall be neatly lettered with black.letters on white background. The sign shall bear the name of the project, and the names of prime contractors on the project, and the name of the designer and consultants. Directional signs may be erected on the owner's property subject to approval of the owner with respect to size, style and location of such directional signs. Such signs may bear the name of the contractor and a directional symbol. No other signs will be permitted except by permission of the owner. ARTICLE 41-CLEANING UP The contractors shall keep the building and surrounding area reasonably free from rubbish at all times, and shall remove debris from the site from time to time or when directed to do so by the designer. Before final inspection and acceptance of the building, each contractor shall clean his portion of the work, including glass, hardware, fixtures, masonry, tile and marble (using no acid), clean and wax all floors as specified, and completely prepare the building for use by the owner, with no cleaning required by the owner. ARTICLE 42-GUARANTEE a. Where items of equipment or material carry a manufacturer's warranty for any period in excess of twelve (12) months, then the manufacturer's warranty shall apply for that particular piece of equipment or material. The contractor shall replace such defective equipment or materials, without cost to the owner, within the manufacturer's warranty period. b. The contractor shall unconditionally guarantee materials and workmanship against patent defects arising from faulty materials, faulty workmanship or negligence for a period of twelve (12) months following the final acceptance of the work and shall replace such defective materials or workmanship without-cost to the owner. c. Additionally, the contractor shall guarantee materials and workmanship against latent defects arising from faulty materials, faulty workmanship or negligence which is hidden or not readily apparent to the owner at the time of final acceptance and which is discovered by the owner within six (6).years following final acceptance of the work. The guarantee for latent defects related to the structural system shall be ten (10) years. The contractor shall replace such defective materials or workmanship without cost to the owner. d. Roof guarantees are stipulated in the roofing specification. ARTICLE 43 - CODES AND STANDARDS Wherever reference is given to codes, standard specifications or other data published by regulating agencies including, but not limited to, national electrical codes, North Carolina state building codes, federal specifications, ASTM specifications, various institute specifications, etc., it shall be understood that such reference is to the latest edition including addenda published prior to the date of the contract documents. ARTICLE 44 - INDEMNIFICATION To the fullest extent permitted by law, the contractor shall indemnify and hold harmless the owner, the designer and the agents, consultants and employees of the owner and designer, from and against all claims, damages, losses and expenses, including, but not limited to, attorneys' fees, arising out of or resulting from the performance or failure of performance of the work, provided that any such claim, damage, loss or expense (1) is attributable to bodily injury, sickness, disease or death, or to injury to or destruction of tangible property (other than the work itself) including the loss of use resulting therefrom, and (2) is caused in whole or in part by any negligent act or omission of the contractor, the contractor's subcontractor, or - the agents of either the contractor or the contractor's subcontractor. Such obligation shall not be construed to negate, abridge or otherwise reduce any other right or obligation of indemnity which would otherwise exist as to any party or person described in this article. ARTICLE 45 -TAXES a. Federal excise taxes do not apply to materials entering into state work (Internal Revenue Code, Section 3442(3)). b. Federal transportation taxes do not apply to materials entering into state work (Internal Revenue Code, Section 3475(b) as amended). c. North Carolina sales tax and use tax do apply to materials entering into state work (N.C. Sales and Use Tax Regulation, No. 42, Paragraph "A"), and such costs shall be included in the bid proposal and contract sum. d. Local option sales and use taxes do apply to materials entering into state work as applicable (Local Option Sales and Use Tax Act, Regulation No. 57), and such costs shall be included in the bid proposal and contract sum. e. Accounting Procedures for Refund of County Sales & Use Tax Amount of county sales and use tax paid per contractor's statements: Contractors performing contracts for state agencies shall give the state agency for whose project the property was purchased a signed statement containing the information listed in G.S. 105-164.14(e). The Department of Revenue has agreed that in lieu of obtaining copies of sales receipts from contractors, an agency may obtain a certified statement as of April 1, 1991 from the contractor setting forth the date, the type of property and the cost of the property purchased from each vendor, the county in which the vendor made the sale and the amount of local sales and use taxes paid thereon. If the property was purchased out-of- state, the county in which the property was delivered should be listed. The contractor should also be notified that the certified statement may be subject to audit. In the event the contractors make several purchases from the same vendor, such certified statement must indicate the invoice numbers, the inclusive dates of the invoices, the total amount of the invoices, the counties, and the county sales and use taxes paid thereon. Name of taxing county: The position of a sale is the retailer's place of business located within a taxing county where the vendor becomes contractually obligated to make the sale. Therefore, it is important that the county tax be reported for the county of sale rather than the county of use. When property is purchased from out-of-state vendors and the county tax is charged, the county should be identified where delivery is made when reporting the county tax. Such statement must also include the cost of any tangible personal property withdrawn from the contractor's warehouse stock and the amount of county sales or use tax paid thereon by the contractor. Similar certified statements by his subcontractors must be obtained by the general contractor and furnished to the claimant. Contractors are not to include any tax paid on supplies, tools and equipment which they use to perform their contracts and should include only those building materials, supplies, fixtures and equipment which actually become a part of or annexed to the building or structure. ARTICLE 46 -EQUAL OPPORTUNITY CLAUSE The non-discrimination clause contained in Section 202 (Federal) Executive Order 11246, as amended by Executive Order 11375, relative to equal employment opportunity for all persons without regard to race, color, religion, sex or national origin, and the implementing rules and regulations prescribed by the secretary of Labor, are incorporated herein. ARTICLE 47- EMPLOYMENT OF THE HANDICAPPED The contractors agree not to discriminate against any employee or applicant for employment because of physical or mental handicap in regard to any position for which the employee or applicant is qualified. The contractor agrees to take affirmative action to employ, advance in employment and otherwise treat qualified handicapped individuals without discrimination based upon their physical or mental handicap in all employment practices. ARTICLE 48 - ASBESTOS-CONTAINING MATERIALS (ACM) The State of North Carolina has attempted to address all asbestos-containing materials that are to be disturbed in the project.. However, there may be other asbestos-containing materials in the work areas that are not to be disturbed and do not create an exposure hazard. Contractors are reminded of the requirements of instructions under Instructions to Bidders and General Conditions of the Contract, titled Examination of Conditions. Statute 130A, Article 19, amended August 3, 1989, established the Asbestos Ha72rd Management.Program that controls asbestos abatement in North Carolina. The latest edition of Guideline Criteria for Asbestos Abatement from the State Construction Office is to be incorporated in all asbestos abatement projects for the Capital Improvement Program. ARTICLE 49 - MINORITY BUSINESS PARTICIPATION Statute 143, Article 8, amended June 28, 1989, established a goal of ten percent (10%) minority business participation in state-owned projects. The document Guidelines for Recruitment and Selection of Minority Businesses for Participation in State Construction Contracts and its Appendices A thru D are hereby made a part of this contract and its provisions are a requirement of this contract. I SUPPLEMENTARY GENERAL CONDITIONS INCLUDING MBE GUIDELINES SUPPLEMENTARY GENERAL CONDITIONS A. Time of Completion: 120 Calendar Days B. Liquidated Damages 1. Liquidated damages of $100/day will be assessed to the Contractor for an actual time of completion greater than 60 days. 2. Should the Contractor damage the existing water line, liquidated damages of $100 per 1/2 day we be assessed till the water line is repaired and water service is restored. C. Alternate Bids Alternate#1 Replace the existing septic/dosing tank. Alternate#2 Demolish and bury tank. Alternate#3 Replace gravity san. sewer line. Alternate #4 Install Agricultural Fence D. Listing of Drawings Sheet Title • 1 Cover 2 Location Map 3 Sewer Repair Site Plan 4 Gravity Sewer As-Built 5 Water Line Plan and Profile 6 Water Line Plan and Profile 7 Details 8 Details — Barrett Kays&Associates, P.A. h:\clients\ncpark\9409004\reports\m_302.doc • 1 (SCO-10/17189) . (Revised 2-2-90) (Revised 3-1-90,revisions in italics) GUIDELINES FOR RECRUITMENT AND SELECTION OF MINORITY BUSINESSES FOR PARTICIPATION IN STATE CONSTRUCTION CONTRACTS In accordance with G.S. 143-128 (SB 308 ratified June 28, 1989) these guidelines establish goals for minority participation in single-prime and separate-prime state construction contracts. The legislation provided that the state shall have a verifiable ten percent (10%) goal for participation by minority businesses in the total value of work for each project for which a contract or contracts are awarded. These guidelines are published to accomplish that end. SEUI ION 1: INTENT It is the intent of these guidelines that the State of North Carolina, as awarding authority for construction projects, and the contractors and subcontractors performing the construction contracts awarded shall cooperate and in good faith do all things legal, proper and reasonable to achieve the statutory goal of ten percent for participation by minority businesses in each construction project as mandated by SB 308. Nothing contained in these guidelines shall be considered to require awarding authorities to award contracts or to make purchases of materials or equipment from minority-business contractors who do not submit the lowest responsible bid or bids. SECTION 2: DEFINITIONS 1. Minority - a person who is a citizen or lawful permanent resident of the United States and who is: a. Black, that is, a person having origins in any of the black racial groups in Africa; b. Hispanic, that is, a person of Spanish or Portuguese culture with origins in Mexico, South or Central America, or the Caribbean Islands, regardless of race; c. Asian American, that is, a person having origins in any of the original peoples - of the Far East, Southeast Asia and Asia, the Indian subcontinent, the Pacific Islands; d. American Indian or Alaskan Native, that is, a person having origins in any of the original peoples of North America; or e. Female. 2. Minority Business - means a business: a. In which at least fifty-one percent (51%) is owned by one or more minority persons, or in the case of a corporation, in which at least fifty-one percent (51%) of the stock is owned by one or more minority persons; and b. Of which the management and daily business operations are controlled by one - or more of the minority persons who own it. 3. Owner - The State of North Carolina, through the Agency/Institution named in the contract. 4. Bidder - Any person, firm, partnership, corporation, association, or joint venture seeking to be awarded a public contract or subcontract. 5. Contract - A mutually binding legal relationship or any modification thereof obligating the seller to furnish equipment, materials or services, including construction, and obligating the buyer to pay for them. 6. Contractor- Any person, firm, partnership, corporation, association, or joint venture which has contracted with the State of North Carolina to perform construction work or repair. 7. Subcontractor - A firm under contract with the prime contractor for supplying — materials or labor and materials and/or installation. The subcontractor may or may not provide materials in his subcontract. Work subcontracted in an emergency and which could not have been anticipated is excluded as a part of this program. (SCO-10117/89) (Revised 2-2-90) • (Revised 3-1-90,revisions in italics) 8. Verifiable goal means: a. For purposes of separate-prime contract system, that the awarding authority has adopted written guidelines specifying the actions that will be taken to ensure a good faith effort in the recruitment and selection of minority businesses for participation in contracts awarded; and b. For purposes of single-prime contract system, that the awarding authority has adopted written guidelines specifying the actions that the prime contractor must take to ensure a good faith effort in the recruitment and selection of minority businesses for participation in contracts awarded; the required actions must be documented in writing by the contractor to the appropriate awarding authority. Section 3: RESPONSIBILITIES 1. Minority Business Program of the Division of Purchase & Contract, Department of Administration (hereafter referred to as Minority Business Program). The Minority Business Program will establish a program pursuant to which it shall certify to interested persons, businesses qualifying as Minority Business Enterprises (MBE). The information solicited from the applicant will be used by the Minority Business Program to: a. Determine MBE certification, i.e. that those certified are MBEs under GS 143-128 as a contractor and/or subcontractor. b. Identify those areas of work for which there are certified MBEs, as requested. c. Provide interested parties with a list of prospective certified MBE contractors and subcontractors. d. Assist in the determination of technical assistance in the certification program that needs to be provided. In addition to being responsible for the certification of those small and emerging businesses that want to participate in the state construction program, the Minority Business Program will: _ (1) Maintain a current list of certified MBEs and furnish the State Construction Office an updated list of those certified. The list furnished shall include the areas of work in which each MBE is interested. (2) From information furnished by the State Construction Office publicize the contracting and subcontracting opportunities available for each state construction project being advertised. (3) Work with the North Carolina Association of Minority Businesses, the Carolinas Branch AGC, the Carolinas Electrical Contractors Association and the North Carolina Association of Plumbing-Heating- Cooling Contractors in developing and implementing a certification - program intended to improve the ability of MBEs to compete in this program. 2. State Construction Office The State Construction Office will be responsible for the following: a. For contracts in excess of $500,000 in estimated cost, furnish to the Minority Business Program and the Minority Business Development Agency of the Department of Economic & Community Development a minimum of twenty- one days prior to the bid opening the following: 1 Project description and location; 2 Locations where bidding documents may be reviewed; 3 Name of a representative of the owner who can be contacted during the advertising period to advise who the prospective bidders are; • 4 Date, time and location of the bid opening. (5)• ) Date, time and location of prebid conference, if scheduled. The twenty-one day advance time period may be reduced to ten days for contracts in the range of$100,000 to $500,000 in the estimated cost. t (SCO-10/17/89) _ (Revised 2-2-90) (Revised 3-1-90,revisions in italics) b. The prebid conference, if scheduled, conducted by the representative of the owner, will be open to all known and anticipated prime contractors, subcontractors, material suppliers, and other bidders. During the conference, this program, including the bidders' responsibilities, will be fully explained. - c. Reviewing the apparent low bidders' compliance with the items listed in the proposal that must be complied with if the bid is to be considered as responsive. The State reserves the right to reject any or all bids and to waive informalities. 3. Owner Under the separate-prime contract system, the owner will: a. Attend the scheduled prebid conference. b. Identify or determine those work areas of a contract where MBEs may have an interest in performing contract work. . c. At least ten (10) days prior to the scheduled day of bid opening the owner will notify certified MBEs of potential contracting opportunities listed in the proposal. The notification will include the following: 1) A description of the work for which the bid is being solicited. 2 The date, time and location where bids are to be submitted. 3) The name of the individual within the agency/institution who will be available to answer questions about the project. 4 Where bid documents may be reviewed. 5) Any special requirements that may exist, such as insurance, licenses, bonds and financial arrangements. If there are more than three (3) certified MBEs in the general locality of the project who offer similar contracting or subcontracting services in the specific trade, the owner shall notify three (3), but may contact more, if the owner so desires. d. Maintain documentation of any contacts, correspondence or conversation with MBE firms made in an attempt to meet the goals. 4. Prime Contractor(s) Under the single-prime contract system and the separate prime contract system, the -- prime contractor(s)will: a. Attend the scheduled prebid conference. b. Identify or determine those work areas of a subcontract where MBEs may have an interest in performing subcontract work. c. At least ten (10) days prior to the scheduled day of bid opening, notify certified MBEs of potential subcontracting opportunities listed in the proposal. The notification will include the following: 1 A description of the work for which the subbid is being solicited. 2 The date, time and location where subbids are to be submitted. 3) The name of the individual within the company who will be available - to answer questions about the project. (4) Where bid documents may be reviewed. (5) Any special requirements that may exist, such as insurance, licenses, bonds and financial arrangements. If there are more than three (3) certified MBEs in the general locality of the project who offer similar contracting or subcontracting services in the specific trade, the contractor(s) shall notify three (3), but may contact more, if.the contractor(s) so • desires. d. During the bidding process, comply with the contractor(s) requirements listed in the proposal for minority participation. e. Submit with the bid a description of that portion of the work to be executed by MBEs expressed as a percentage of the total contract price. f. Upon being named the apparent low bidder, the Bidder shall provide the _ necessary documentation as listed in the contract documents. Failure to comply with procedural requirements as defined in contract documents may render that bid as nonresponsive and may result in rejection of the bid and award to the next lowest responsible and responsive bidder: 6 (SCO-10/17/89) _ (Rcviscd 2-2-90) (Rct iscd 3-1-90,rcrisions in italics) g. During the construction of a project, if it becomes necessary to replace an MBE subcontractor, advise the owner, State Construction Office and the Governor's Special Assistant of the circumstances involved. h. If during the construction of a project additional subcontracting opportunities become available, make a good faith effort to solicit subbids from MBEs. 5. Governor's Special Assistant on Minority Affairs The Governor's Special Assistant on Minority Affairs ("Governor's Special - Assistant") has agreed to be responsiblefor overseeing this MBE program by: a. Monitoring compliance with the program requirements. b. Assisting in the implementation of technical assistance programs. c. Reporting the results of this MBE program through the State Construction Office to the Secretary of the Department of Administration, the Secretary of Economic & Community Development, the Governor and the General • Assembly. 6. MBE Responsibilities While MBEs are not required to become certified in order to participate in this program, it is recommended that they become certified and should take advantage of the appropriate technical assistance that is made available. In addition, MBEs who. are contacted by owners or bidders must respond promptly whether or not they wish to submit a bid. Section 4: DISPUTE PROCEDURES - It is the policy of this state that disputes between an agency and another..person that involves a person's rights, duties or privileges, should be settled through informal procedures. To that end, MBE disputes arising under these guidelines should be resolved, if possible, by informal proceedings arranged by the Governor's Special Assistant for Minority Affairs and the Director of the State Construction Office. Section 5: These guidelines shall apply upon promulgation on state construction projects and shall expire on June 30, 1995. Copies of these guidelines may be obtained from the Department of - Administration, State Construction Office, Ste. 450, NC Education Building, Raleigh, North Carolina, 27601-2827, phone (919) 733-7962. Section 6: In addition to these guidelines, there will be issued with each construction bid package guideline provisions for contractual compliance providing MBE participation in the state • construction program. TECHNICAL SPECIFICATIONS TABLE OF CONTENTS Section 01000 - General Scope of the Work 1 Section 01001 - General Requirements 2 Section 02050 - Demolition 14 Section 02100 - Site Preparation 17 Section 02200 - Earthwork 20 Section 02221 - Excavation, Backfilling and Compacting for Structure 26 Section 02222 - Excavation, Backfilling and Compacting for Utilities 30 Section 02229 - Rock Removal 34 Section 02300 - Concrete 37 Section 02510 - Asphaltic Concrete Pavement Patch 46 Section 02660 - Water Distribution Systems 49 Section 02730 - Sanitary Sewer 55 Section 02740 - Pumping System 57 Section 02741 - Sand Filters 62 Section 02742 - Pump House Building and Wood Materials 64 Section 02743 - Septic Tank and Dosing Tank 66 Section 02744 - Chlorination Equipment 68 Section 02745 - Drip Irrigation Equipment 69 Section 02832 - Agricultural Fencing 71 Section 02930 - Seeding 72 SECTION 01000 GENERAL SCOPE OF THE WORK 1.01 SCOPE OF WORK A. The project consists of the construction of a waste water drip irrigation disposal system, and improvements to the existing sewage collection and disposal systems, and replacements of the existing 2" water main at Mt. Mitchell State Park,North Carolina. All work shown and specified in the drawings and specifications shall be furnished and installed complete in place, ready for use. B. All work shall be done in strict accordance with: 1. The Contract. 2. The drawings, including approved shop drawings. 3. The Specifications and addenda. 4. The "General Conditions". 5. The change orders and directives issued by the Owner and/or Designer. 6. The North Carolina State Building Code, all governing laws, ordinances, rules, permits, regulations and directives from governing authorities having jurisdiction over the work. The Contractor shall work with the Park Superintendent. The Contractor shall maintain access to the park, roadways and handle the construction activities in such a way so that public users of the park are not endangered in any way. Construction access to the site will be coordinated with the Park Superintendent. The construction area boundaries will be defined in the field with the Park Superintendent. The Contractor will take appropriate due care to protect the trees and other vegetation in the vicinity of the construction area. When working on the water and wastewater systems, it will be important to maintain service to the existing facilities in the area. -- END OF SECTION Barrett Kays&Associates, P. A. 1 h:\clients\n cpark\9409004\reports\m itchel l.doc SECTION 01001 GENERAL REQUIREMENTS PART 1 GENERAL 1.01 SCHEDULE OF VALUES A. Submit schedule on contractor's standard form, or electronic media printout will be considered. B. Submit Schedule of Values in duplicate within seven days after date of Owner- Contractor Agreement. 1.02 APPLICATIONS FOR PAYMENT A. Submit two copies of each application. B. Content and Format: Utilize Schedule of Values for listing items in Application for Payment. Format shall be as per Article 31 of the General Conditions of the contract. C. Payment Period: Monthly, as per Article 31 of the General Conditions of the contract. 1.03 CHANGE PROCEDURES A. See Article 19 of the General Conditions of the contract. B. Change Order Forms: Form OC-24. 1.04 ALTERNATES A. Alternates quoted on Bid Forms will be reviewed and accepted or rejected at the Owner's option. B. Coordinate related Work and modify surrounding Work as required. C. Schedule of Alternates: See Item 6 of the Supplementary General Conditions. 1.05 COORDINATION A. Coordinate scheduling, submittals, and Work of the various sections of specifications to ensure efficient and orderly sequence of installation of interdependent construction elements. Barrett Kays&Associates, P. A. 2 h:\clients\ncpark\9409004\reports\mitchell.doc B. Verify utility requirement characteristics of operating equipment are compatible with building utilities. C. Coordinate space requirements and installation of mechanical and electrical work which are indicated on Drawings. Follow routing shown for pipes, ducts, and conduit, as closely as practicable. D. In finished areas, conceal pipes, ducts, and wiring within the construction. 1.06 FIELD ENGINEERING A. Employ a Land Surveyor to locate a reference datum and to protect survey control points and reference points. B. Establish elevations, lines, and levels and certify that elevations and locations of the Work conform with the Contract Documents. C. Verify that field measurements are as indicated on shop drawings or as instructed by the manufacturer. D. The Contractor will not be required to have a field office for this project. The Contractor will need to provide a list of names and phone numbers of the key staff working on this so the Owner can contact a responsible agent to address issues or concerns that may come up during non-working hours. 1.07 PRECONSTRUCTION MEETINGS A. The Designer will schedule a preconstruction meeting after Notice of Award for all affected parties. B. When required in individual specification section, convene a preinstallation meeting at Project site prior to commencing work of the section. 1.08 PROGRESS MEETINGS A. See Article 14, item d., of the General Conditions of the contract. 1.09 CUTTING AND PATCHING A. Employ a skilled and experienced installer to perform cutting and patching new Work. B. Execute cutting, fitting, and patching to complete Work, and to: 1. Fit the several parts together, to integrate with other Work. Barrett Kays&Associates, P. A. 3 h:\clients\ncpark\9409004\reports\mitchelLdoc 2. Uncover Work to install or correct ill-timed Work. 3. Remove and replace defective and non-conforming Work. 4. Remove samples of installed Work for testing. 5. Provide openings in elements of Work for penetrations of mechanical and electrical Work. C. Cut masonry and concrete materials using masonry saw or core drill. Restore Work with new Products in accordance with requirements of Contract Documents. D. Fit Work tight to adjacent elements. Maintain integrity of wall, ceiling, or floor construction; completely seal voids. E. Fit Work tight to pipes, sleeves, ducts, conduit, and other penetrations through surfaces. F. Refinish surfaces to match adjacent finishes. 1.10 SUBMITTAL PROCEDURES A. Submittal form to identify Project, Contractor, Subcontractor or supplier; and pertinent Contract Document references. B. Apply Contractor's stamp, signed or initialed, certifying that review, verification of Products required, field dimensions, adjacent construction Work, and coordination of information is in accordance with the requirements of the Work and Contract Documents. C. Identify variations from Contract Documents and Product or system limitations which may be detrimental to successful performance of the completed Work. D. Revise and resubmit submittals as required; identify all changes made since previous submittal. 1.11 CONSTRUCTION PROGRESS SCHEDULES A. Submit initial progress schedule in duplicate within 30 days after award date for Designer review. B. Submit revised schedules with each Application for Payment, identifying changes since previous version. Indicate estimated percentage of completion for each item of Work at each submission. 1.12 PROPOSED PRODUCTS LIST Barrett Kays&Associates, P. A. 4 h:\clients\ncpark\9409004\reports\mitchell.doc A. Within 15 days after date of Notice to Proceed, submit list of major Products proposed for use, with name of manufacturer, trade name, and model number of each product. 1.13 PRODUCT DATA A. Product Data for Review: 1. Submitted to the Designer for review for the limited purpose of checking for conformance with information given and the design concept expressed in the contract documents. B. Product Data For Information: 1. Submitted for the Designer's benefit as contract administrator or for the Owner. C. Product Data For Project Close-out: 1. Submitted for the Owner's benefit during and after project completion. D. Submit the number of copies which the Contractor requires, plus two copies which will be retained by the Designer. E. Mark each copy to identify applicable products, models, options, and other data. Supplement manufacturers' standard data to provide information unique to this project. 1.14 SHOP DRAWINGS A. Shop Drawings For Review: 1. Submitted to the Designer for review for the limited purpose of checking for conformance with information given and the design concept expressed in the Contract Documents. B. Shop Drawings For Information: 1. Submitted for the Designer's benefit as contract administrator or for the Owner. C. Shop Drawings For Project Close-out: 1. Submitted for the Owner's benefit during and after project completion. D. Submit the number of opaque reproductions which Contractor requires, plus two copies which will be retained by the Designer. 1.15 SAMPLES A. Samples For Review: Barrett Kays&Associates, P. A. 5 h:\cl ients\ncpark\9409004\reports\mitchel 1.doc 1. Submitted to the designer for review for the limited purpose of checking for conformance with information given and the design concept expressed in the contract documents. B. Samples for Information: 1. Submitted for the Designer's benefit as contract administrator or for the Owner. C. Samples For Selection: 1. Submitted to the Designer for aesthetic, color, or finish selection. 2. Submit samples of finishes from the full range of manufacturers' standard colors, textures, and patterns for the Designer's selection. D. Submit samples to illustrate functional and aesthetic characteristic of the Product. E. Submit samples of finishes from the full range of manufacturers' standard colors, textures, and patterns for the Designer's selection. 1.16 MANUFACTURER INSTALLATION INSTRUCTIONS A. When specified in individual specification sections, submit manufacturer printed instructions for delivery, storage, assembly, installation, start-up, adjusting, and finishing, in quantities specified for Product Data. 1.17 MANUFACTURER CERTIFICATES A. When specified in individual specification sections, submit certifications by manufacturer to the Designer, in quantities specified for Product Data. B. Indicate material or Product conforms to or exceeds specified requirements. Submit supporting reference data, affidavits, and certifications as appropriate. 1.18 QUALITY ASSURANCE - CONTROL OF INSTALLATION A. Monitor quality control over suppliers, manufacturers, Products, services, site conditions, and workmanship, to produce Work of specified quality. B. Comply with manufacturers' instructions. C. Comply with specified standards as minimum quality for the Work except when more stringent tolerances, codes, or specified requirements indicate higher standards or more precise workmanship. 1.19 EXAMINATION Barrett Kays&Associates, P. A. 6 h:\clients\ncpark\9409004\reports\mitchell.doc I I A. Verify that existing site conditions and substrate surfaces are acceptable for subsequent Work. Beginning new Work means acceptance of existing conditions. B. Verify that utility services are available, of the correct characteristics, and in the correct location. 1.20 PREPARATION A. Clean substrate surfaces prior to applying next material or substance. B. Apply manufacturer required or recommended substrate primer, sealer, or conditioner prior to applying new material or substance in contact or bond. 1.21 TOLERANCES A. Monitor fabrication and installation tolerance control of installed Products over suppliers, manufacturers, Products, site conditions, and workmanship, to produce acceptable Work. Do not permit tolerances to accumulate. - B. Comply fully with manufacturers' tolerances. 1.22 REFERENCES A. Conform to reference standards by date of issue current as of date of Contract Documents. B. Should specified reference standard conflict with Contract Documents, request clarification from the Designer before proceeding. 1.23 INSPECTION AND TESTING LABORATORY SERVICES A. See General Conditions of the Contract, Article 13. 1.24 MANUFACTURERS' FIELD SERVICES AND REPORTS A. When specified in individual specification sections, require material or Product suppliers or manufacturers to provide qualified staff personnel to observe site conditions and to initiate instruction when necessary. B. Report observations and site decisions or instructions that are supplemental or contrary to manufacturers' written instruction. 1.25 TEMPORARY ELECTRICITY Barrett Kays&Associates, P. A. 7 h:\clients\ncpark\9409004\reports\mitchell.doc A. Contractor shall provide and pay for power service required from source. B. Provide power outlets for construction operations, branch wiring, distribution boxes, and flexible power cords as required. 1.26 TEMPORARY LIGHTING FOR CONSTRUCTION PURPOSES A. Provide and maintain temporary lighting for construction operations. B. Provide branch wiring from power source to distribution boxes with lighting conductors, pigtails, and lamps as required. 1.27 TEMPORARY HEAT A. Provide heating devices and heat as needed to maintain specified conditions for construction operations. B. Maintain minimum ambient temperature of 50 degrees F in areas where construction is in progress, unless indicated otherwise in specifications. 1.28 TEMPORARY VENTILATION A. Ventilate enclosed areas to assist cure of materials, to dissipate humidity, and to prevent accumulation of dust, fumes, vapors, or gases. 1.29 TEMPORARY WATER SERVICE A. Provide, maintain and pay for suitable quality water service required. • _ . 1.30 TEMPORARY SANITARY FACILITIES A. Provide and maintain required facilities and enclosures. B. Maintain in clean and sanitary condition. 1.31 BARRIERS AND FENCING A. Provide construction fencing to prevent unauthorized entry to construction areas and to protect existing facilities and adjacent properties from damage. 1.32 WATER CONTROL A. Maintain excavations free of water. Provide, operate, and maintain pumping equipment. Barrett Kays& Associates, P. A. 8 h:\clients\ncpark19409004\reports\mitchell.doc B. Provide erosion control. 1.33 EXTERIOR ENCLOSURES A. Provide temporary weather tight closures to exterior openings to permit acceptable working conditions and protection of the Work. 1.34 PROTECTION OF INSTALLED WORK A. Protect installed Work and provide special protection where specified in individual specification sections. B. Prohibit traffic or storage upon waterproofed or roofed surfaces. 1.35 SECURITY A. Provide security and facilities to protect Work and existing facilities, and Owner's operations from unauthorized entry, vandalism, or theft. 1.36 ACCESS ROADS A. Existing on-site roads shall be used for construction traffic. 1.37 PARKING • A. Arrange for temporary parking areas to accommodate construction personnel. 1.38 PROGRESS CLEANING AND WASTE REMOVAL A. Collect and maintain areas free of waste materials, debris, and rubbish. Maintain site in a clean and orderly condition. 1.39 REMOVAL OF UTILITIES, FACILITIES, AND CONTROLS A. Remove temporary utilities, equipment, facilities, materials, prior to Final Application for Payment review. B. Clean and repair damage caused by installation or use of temporary work. C. Restore existing facilities used during construction to original condition. Restore permanent facilities used during construction to specified condition. 1.40 PRODUCTS Barrett Kays&Associates, P. A. 9 h:\clients\ncpark\9409004\reports\mitchell.doc A. Products: Means new material, machinery, components, equipment, fixtures, and systems forming the Work, but does not include machinery and equipment used for preparation, fabrication, conveying and erection of the Work. Products may also include existing materials or components specifically identified for reuse. B. Do not use materials and equipment removed from existing premises, except as specifically identified or allowed by Contract Documents. C. Provide interchangeable components of the same manufacture for components being replaced. 1.41 TRANSPORTATION, HANDLING, STORAGE AND.PROTECTION A. Transport, handle, store, and protect Products in accordance with manufacturer's instructions. 1.42 SUBSTITUTIONS A. Designer will consider requests for Substitutions only within 15 days after date established in Notice to Proceed. No substitutions will be allowed for the Perc Rite equipment and dripper line. 1.43 STARTING SYSTEMS A. Provide seven days notification prior to start-up of each item. B. Ensure that each piece of equipment or system is ready for operation. C. Execute start-up under supervision of responsible persons in accordance with manufacturers' instructions. D. Submit a written report that equipment or system has been properly installed and ' is functioning correctly. 1.44 DEMONSTRATION AND INSTRUCTIONS A. Demonstrate operation and maintenance of Products to Owner's personnel two weeks prior to date of final review. B. Demonstrate start-up, operation, control, adjustment, trouble-shooting, servicing, maintenance, and shutdown of each item of equipment at agreed-upon times, at equipment location. Barrett Kays&Associates, P. A. 10 h:\clients\ncpark\9409004\reports\mitchell.doc C. Provide at least 8 hours of training on the maintenance and operation of the system for Park's staff. O&M manuals for the equipment will be provided by the contractor. D. An inventory of critical spare parts will be developed by the contractor, designer and owner and will be supplied to the owner at project close out. 1.45 CONTRACT CLOSE-OUT PROCEDURES A. Submit written certification that Contract Documents have been reviewed, Work has been inspected, and that Work is complete in accordance with Contract Documents and ready for the Designer's inspection. B. Submit final Application for Payment identifying total adjusted Contract Sum/Price, previous payments, and amount remaining due. 1.46 FINAL CLEANING A. Execute final cleaning prior to final inspection. B. Clean interior and exterior surfaces exposed to view. Vacuum carpeted and soft surfaces. C. Clean debris from site, roofs, gutters, downspouts, and drainage systems. D. Clean/Replace filters of operating equipment. E. Remove waste and surplus materials, rubbish, and construction facilities from the site. 1.47 ADJUSTING A. Adjust operating Products and equipment to ensure smooth and unhindered operation. 1.48 PROJECT RECORD DOCUMENTS A. Maintain on site one set of Contract Documents to be utilized for record documents. B. Record actual revisions to the Work. Record information concurrent with construction progress. Barrett Kays&Associates, P. A. 11 h:\clients\ncpark\9409004\reports\m i tchel I.doc C. Specifications: Legibly mark and record at each Product section a description of actual Product installed. D. Record Documents and Shop Drawings: Legibly mark each item to record actual construction. E. Submit documents to the designer with claim for final Application for Payment. 1.49 OPERATION AND MAINTENANCE DATA A. Submit two sets prior to final inspection, bound in 8-1/2 x 11 inch (216 x 279 mm) text pages, three D side ring binders with durable plastic covers. B. Prepare binder cover with printed title "OPERATION AND MAINTENANCE INSTRUCTIONS" and title of project. C. Internally subdivide the binder contents with permanent page dividers, logically organized, with tab title clearly printed under reinforced laminated plastic tabs. D. Contents: 1. Part 1: Directory, listing names, addresses, and telephone number of Designer, Contractor, Subcontractors, and major equipment suppliers. 2. Part 2: Operation and maintenance instruction, arranged by system. 3. Part 3: Project documents and certificates. 1.50 SPARE PARTS AND MAINTENANCE MATERIALS A. Provide Products, spare parts, maintenance and extra materials in quantities specified in individual specification sections. B. Deliver to Project site and place in location as directed; obtain receipt prior to final payment. 1.51 WARRANTIES A. Provide duplicate notarized copies. B. Execute and assemble transferable warranty documents from Subcontractors, suppliers, and manufacturers. • C. Submit prior to final Application for Payment. Barrett Kays&Associates, P. A. 12 h:\clients\ncpark\9409004\reports\mitchel l.doc • PART 2 PRODUCTS Not Used. PART 3 EXECUTION Not Used. END OF SECTION Barrett Kays&Associates, P. A. 13 h:\clients\ncpark\9409004\reports\mitchell.doc SECTION 02050 DEMOLITION PART 1 GENERAL 1.01 SECTION INCLUDES A.. Demolition of designated site structures,retaining walls, foundations, and removal of materials from site. B. Disconnecting and capping or removal of identified utilities. C. Filling or removal of underground tanks and piping. D. Filling voids in subgrade created as a result of removals or demolition. 1.02 PROJECT RECORD DOCUMENTS Accurately record actual locations of capped utilities, and subsurface obstructions. 1.03 REGULATORY REQUIREMENTS A. Conform to applicable local code for demolition of structures, safety of adjacent structures, dust control and runoff control. B. Obtain required permits and licenses from authorities. Pay associated fees including disposal charges. The cost of these permits shall be included in the contract amount. 1.04 JOB CONDITIONS A. Conditions existing at time of inspection for bidding purposes will be maintained by Owner in so far as practicable. B. Items of salvageable value to Contractor may be removed from structure. Storage or sale of removed items on site will not be permitted and shall not interfere with other work specified in the contract documents. C. Explosives shall not be brought to site or used without written consent of authorities having jurisdiction. Such written consent will not relieve Contractor of total responsibility for injury to persons or damage to property due to blasting operations. The performance of any required blasting shall comply with governing regulations. Barrett Kays&Associates, P. A. 14 h:\clients\ncpark\9409004\reports\mitchell.doc PART 2 PRODUCTS 2.01 FILL MATERIALS PART 3 EXECUTION 3.01 PREPARATION A. Provide, erect, and maintain temporary barriers. B. Protect existing landscaping materials, appurtenances and structures which are not to be demolished. Repair damage caused by demolition operations at no cost to Owner. C. Prevent movement or settlement of adjacent structures. Provide bracing and shoring. D. Mark location of utilities. Protect and maintain in safe and operable condition the utilities to remain. Prevent interruption of existing utility service. 3.02 DEMOLITION REQUIREMENTS A. Conduct demolition to minimize interference with adjacent structures or pavements. B. Cease operations immediately if adjacent structures appear to be in danger. Notify designer. Do not resume operations until directed. C. Conduct operations with minimum interference to public or private access. Maintain access and egress at all times. D. Sprinkle Work with water to minimize dust. Provide hoses and water connections for this purpose. E. Comply with governing regulations pertaining to environmental protection. F. Clean adjacent structures and improvements of dust, dirt, and debris caused by demolition operations. Return adjacent areas to condition existing prior to start of work. 3.03 DEMOLITION A. All asphalt pavement to be removed shall be sawcut on a straight line along the contact line with the existing pavement to remain. Barrett Kays&Associates, P. A. 15 h:\clients\ncpark\9409004\reports\mitchell.doc B. All existing landscaping within the limits of the removal area is to be removed and disposed off-site, except as indicated on the plans. 3.04 FILLING BASEMENTS AND VOIDS A. Completely fill below grade areas and voids resulting from demolition or removal of structures using approved select fill materials consisting of stone, gravel, and sand, less than 6" in diameter, and free from debris, trash, frozen materials, roots, and other organic matter. B. Insure that areas to be filled are free of standing water, frost, frozen, or unsuitable material, trash, and debris prior to fill placement. C. Place fill materials in horizontal layers not exceeding 8" in loose depth and compact each layer at optimum moisture content of fill material to 85% maximum density. D. Grade surface to match adjacent grades and to provide flow of surface drainage after fill placement and compaction. 3.05 DISPOSAL OF DEMOLISHED MATERIALS A. Remove from site debris, rubbish, and other materials resulting from demolition operations. B. No burning of any material, debris, or trash on-site or off-site will be allowed. C. Transport materials removed from demolition operations with appropriate vehicles and dispose off-site to areas which are approved fro disposal by governing authorities and appropriate property owners. Loads of materials shall be trimmed to prevent dropping along the route to and from the site. END OF SECTION Barrett Kays &Associates, P. A. 16 h:\clients\ncpark\9409004\reports\mitchel l.doc SECTION 02100 SITE PREPARATION PART 1 GENERAL 1.01 SECTION INCLUDES: A. Cleaning site of debris, grass, trees and other plant life in preparation for building excavation work. B. Protection of existing structures, trees or vegetation into the limits of the project and where so indicated on the construction drawings. 1.02 ENVIRONMENTAL REQUIREMENTS A. Construct temporary erosion control systems as shown on the plans or as directed by the engineer to protect adjacent properties and water resources from erosion and sedimentation. 1.03 JOB CONDITIONS A. Conditions existing at time of inspection for bidding purposes will be maintained by owner in so far as practical. B. Variations to conditions or discrepancy in actual conditions as they apply to site preparation operations are to be brought to the attention of the owner prior to the commencement of any site work. PART 2 PRODUCTS Not applicable. PART 3 EXECUTION 3.01 PREPARATION A. Verify that existing plant life and clearing limits are clearly tagged, identified and marked in such a manner as to insure their safety throughout construction operations. 3.02 PROTECTION A. Locate all existing underground utilities and protect them from damage. Barrett Kays&Associates, P. A. 17 h:\clients\ncpark\9409004\reports\mitchel l.doc B. Protect trees, plant growth and features designated to remain as final landscaped. C. Conduct operations with minimum interference to public or private accesses and facilities. Maintain access and egress at all times and clean or sweep any roadways daily or as required by the governing authority. At such times as deemed necessary by the owner, dust control shall be provided with sprinkling systems or equipment provided by the contractor. D. Protect bench marks, property corners and all other survey monuments from damage or displacement. If a marker needs to be removed it shall be referenced by a licensed land surveyor and replaced, as necessary, by the same. E. Provide traffic control as required, in accordance with the US Department of Transportation"Manual of Uniform Traffic Control Devices" and the state highway department requirements. 3.03 CLEARING A. Clear areas required for access to site and execution of work. B. Unless otherwise indicated on the drawings, remove trees, shrubs, grass, other vegetation, improvements, or obstructions interfering with installation of new construction. Removal includes digging out stumps and roots. Depressions caused by clearing and grubbing operations are to be filled to subgrade elevation to avoid water ponding. Satisfactory fill material shall be placed in horizontal layers not exceeding 8" loose depth, and thoroughly compacted per fill requirements of this section and Section 02200. C. Remove grass, trees, plant life, stumps and all other construction debris from the site to a dump site that is suitable for handling such material according to state laws and regulations. 3.04 TOPSOIL EXCAVATION A. Strip topsoil from areas that are to be filled, excavated, landscaped or regraded to such a depth that it prevents intermingling with underlying subsoil or questionable material. B. Cut heavy growths of grass from areas before stripping and remove with the rest of the cleared vegetative material. C. Topsoil shall consist of organic surficial soil found in depth of not less than 6". Satisfactory topsoil is reasonably free of subsoil, clay lumps, stones and other objects over 2" in diameter, weeds, roots, and other objectionable material. Barrett Kays&Associates, P. A. 18 h:\clients\ncpark\9409004\reports\mitchell.doc D. Stockpile topsoil in storage piles in areas shown or where directed. Construct storage piles to freely drain surface water. Cover storage piles as required to prevent windblown dust. Dispose of unsuitable topsoil as specified for waste material, unless otherwise specified by owner. Excess topsoil shall be removed from the site by the Contractor unless specifically noted otherwise on the Drawings. END OF SECTION Barrett Kays do Associates, P. A. 19 h:\clients\ncpark\9409004\reports\mitchel I.doc SECTION 02200 EARTHWORK PART 1 GENERAL 1.01 SECTION INCLUDES A. Protection, modification and/or installation of utilities as sitework progresses paying particular attention to grade changes and any necessary staging of work. B. Cutting, filling and grading to required lines, dimensions, contours and proposed elevations for proposed improvements. C. Scarifying, compaction, drying and removal of unsuitable material to ensure proper preparations of areas for fills or proposed improvements. 1.02 REFERENCE STANDARDS /A. American Society for Testing and Materials (ASTM) latest edition. D 698 Test for Moisture-Density Relations of Soils Using 5.5 lb. (2.5 kg) Rammer and 12-inch (304.8 mm) Drop (Standard Proctor) D 1556 Test for Density of soil in Place by the Sand Cone Method D 1557 Test for Moisture-Density Relations of Soils Using 10-1b. (4.5 kg) Rammer and 18-inch (457 mm) Drop (Modified Proctor) D 2167 Test for Density of Soil in Place by the Rubber Balloon Method D 2922 Tests for Density of Soil and Soil-Aggregate in Place by Nuclear Methods Shallow Depth) D 4318 Test for Plastic Limit, Liquid Limit, and Plasticity Index of Soils B. - American Association of State Highway and Transportation Officials (AASHTO) latest edition T 88 Mechanical Analysis of Soils 1.03 ENVIRONMENTAL REQUIREMENTS A. Construct temporary erosion control systems as shown on the plans or as directed by the engineer to protect adjacent properties and water resources from erosion and sediment damage. 1.04 QUALITY ASSURANCE Barrett Kays&Associates, P. A. 20 h:\clients\ncpark\9409004\reports\mitchel l.doc A. At the discretion of the Designer, an Independent Testing Laboratory selected and paid for by the owner, shall be retained to perform construction testing on site based on the following: 1. Building Subgrade Areas, including 10'-0" Outside Exterior Building Lines: In cut areas, not less than one compaction test for every 2,500 square feet. In fill areas, same rate of testing for each 8" lift (measured loose). 2. Areas of Construction exclusive of building subgrade: In cut areas, not less than one compaction test for every 10,000 square feet. In fill areas, same rate of testing for each 8" lift (measured loose). B. If compaction requirements are not complied with at any time during construction process, remove and recompact deficient areas until proper compaction is obtained at no additional expense to owner. C. At the discretion of the Designer, the following tests will be performed on each type of on-site or imported soil material used as compacted fill as part of construction testing requirements. 1. Moisture and Density Relationship: ASTM D 698 or ASTM D 1557. 2. Mechanical Analysis: AASHTO T-88 3. Plasticity Index: ASTM D 4318 D. At the discretion of the Designer, field density tests for in-place materials will be performed according to one of the following standards as part of construction testing requirements. 1: Sand-Cone Method: ASTM D 1556 2. Balloon Method: ASTM D 2167 3. Nuclear Method: ASTM D 2922 (Method B-Direct Transmission) E. Independent Testing Laboratory shall prepare test reports that indicate test location, elevation data, and test results. Owner, engineer, and contractor shall be provided with copies of reports within 96 hours of time test was performed. In event that any test performed fails to meet these Specifications, owner and contractor shall be notified immediately by independent testing laboratory. F. All costs related to retesting due to failures shall be paid for by the contractor at no additional expense to owner. Owner reserves the right to employ and Barrett Kays&Associates, P.A. 21 h:\clients\ncpark\9409004\reports\mitchell.doc Independent Testing Laboratory and to direct any testing that is deemed necessary. Contractor shall provide free access to site for testing activities. 1.05 SUBMITTALS: NOT APPLICABLE 1.06 SCOPE A. Work Specified In This Section: Furnish all labor, material, equipment and services, and perform all operations in connection with providing all earthwork complete, as shown and specified. The work includes, but is not necessarily limited to the following: 1. Surveying, staking and layout. 2. Barricades, warning signs and lights. 3. Excavation, fill and backfill. 4. Removal and disposal of unsuitable and excess materials. 5. Erosion control, including temporary drain pipe. 6. Draining, pumping and disposing of water. 7. Dust control. 1.09 SOILS AND FOUNDATION INVESTIGATION A. Neither Engineer nor Owner makes any representations as to the character of the material at the site or the conditions to be encountered. No extra compensation will be allowed because of actual conditions encountered. B. Any information given the Contractor by the Owner or Engineer concerning the soil or geological condition of the site is not guaranteed as being uniformly representative of the conditions which may be encountered during construction. C. The Contractor shall investigate the conditions at the site and assume full responsibility as to all visible and available information concerning the character of earth, rock and other items that may be encountered during the course of the work. PART 2 PRODUCTS 2.01 MATERIALS Barrett Kays& Associates, P. A. 22 h:\clients\ncpark\9409004\reports\mitchell.doc A. Excavated and re-used material for subsoil fill as specified herein. B. Aggregate fill as specified in Section 02227. C. Imported subsoil material approved by the owner and specified herein. D. Topsoil fill as specified in Section 02100. E. Acceptable stabilization fabrics as Geogrids: 1. Mirafi 500X or 600X 2. Phillips 66 Supac 6WS 3. Dupont Typar 3401 and 3601 4. Trevira S 1114 and S 1120 5. Tensar SS-1 and SS-2 6. Exxon GTF-200 or 350 F. Filter/Drainage Fabrics 1. Mirafi 14ONS 2. Phillips 66 Supac 4NP 3. Dupont Typar 3341 PART 3 EXECUTION 3.01 PREPARATION A. Identify required lines, levels, contours and datum. B. Locate all existing utilities and protect them from damage. C. Protect plant life, lawns, fences, existing structures, sidewalks, paving and curbs from excavating equipment and vehicular traffic. D. Protect benchmarks, property corners and all other survey monuments from damage or displacement. If a marker needs to be removed it shall be referenced by a licensed land surveyor and replaced, as necessary, by the same. Barrett Kays&Associates, P. A. 23 h:\clients\ncpark\9409004\reports\mitchell.doc E. Remove from site material encountered in grading operations that, in opinion of owner or owner's representative, is unsuitable or undesirable for backfilling subgrade or foundation purposes. Dispose of in a manner satisfactory to owner. Backfill areas with layers of suitable material and compact as specified. 3.02 EXCAVATION FOR FILLING AND GRADING A. Classification of Excavation: Contractor by submitting bid acknowledges that he has investigated site to determine type, quantity, quality, and character of excavation work to be performed. Excavation shall be considered unclassified excavation. B. Perform excavation using capable, well-maintained equipment and methods acceptable to owner and governing agencies. C. When performing grading operations during periods of wet weather, provide adequate drainage and ground water management to control moisture of soils. D. Shore, brace, and drain excavations as necessary to maintain safe, secure, and free of water at all times. E. Excavated material containing rock or stone greater than 6" in largest dimension is unacceptable as fill to within the proposed building and paving area. F. Rock or stone less than 6" in largest dimension is acceptable as fill to within 24" of surface of proposed subgrade when mixed with suitable material. G. Rock or stone less than 2" in largest dimension and mixed with suitable material is acceptable as fill within the upper 2' of proposed subgrade. 3.03 FILLING AND SUBGRADE PREPARATION A. Fill areas to contours and elevations shown with unfrozen materials. B. Place in continuous lifts specified herein. C. Refer to Section 02221 for filling requirements for structures. D. Refer to Section 02223 for filling requirements for pavements. E. Areas exposed by excavation or stripping and on which subgrade preparations are to be performed shall be scarified to minimum depth of 8" and compacted to minimum of 95% of optimum density, in accordance with ASTM D 698 (or 92% of optimum density, in accordance with ASTM D 1557), at moisture content of not less than 1% below and not more than 3% above the optimum moisture Barrett Kays&Associates, P. A. 24 h:\clients\ncpark\9409004\reports\mitchell.doc content. These areas shall then be proofrolled to detect any areas of insufficient compaction. Proofrolling shall be accomplished by making a minimum of two (2) complete passes with a fully loaded tandem-axle dump truck, or approved equivalent, in each of the two perpendicular directions under the supervision and direction of a field geotechnical engineer. Areas of failure shall be excavated and recompacted as stated above. F. Fill materials used in preparation of subgrade shall be placed in lifts or layers not to exceed 8" loose measure and compacted to a minimum density of 95% of optimum density, in accordance with ASTM D 698, (or 92% of the optimum density, in accordance with ASTM D 1557) at a moisture content of not less than 1% below and not more than 3% above the optimum moisture content. 3.04 MAINTENANCE OF SUBGRADE A. Finished subgrades shall be verified to ensure proper elevation and conditions for construction above subgrade. B. Protect subgrade from excessive wheel loading during construction, including concrete trucks and dump trucks. C. Remove areas of finished subgrade found to have insufficient compaction density to depth necessary and replace in a manner that will comply with compaction requirements by use of material equal to or better than best subgrade material on site. Surface of subgrade after compaction shall be hard, uniform, smooth, stable, and true to grade and cross-section. 3.05 FINISH GRADING A. Grade all areas where finish grade elevations or contours are indicated on Drawings, other than paved areas and building, including excavated areas, filled and transition areas, and landscaped areas. Graded areas shall be uniform and smooth, free from rock, debris, or irregular surface changes. Finished subgrade surface shall not be more than 0.10 feet above or below established finished subgrade elevation, and all ground surfaces shall vary uniformly between indicated elevations. Finish ditches shall be graded to allow for proper drainage without ponding and in a manner that will minimize erosion potential. B. Correct all settlement and eroded areas within one year after date of completion of project at no additional expense to owner. Bring grades to proper elevation. 3.06 ROCK EXCAVATION (See Section 02229 Rock Removal) END OF SECTION Barrett Kays&Associates, P. A. 25 h:\clients\ncpark\9409004\reports\mitchel I.doc • SECTION 02221 EXCAVATION, BACKFILLING AND COMPACTING FOR STRUCTURE PART 1 GENERAL 1.01 SECTION INCLUDES A. Excavate to line, grade and configuration as shown in the plans and specifications for proposed structures. B. Fill to line, grade and configuration as shown in the plans and specifications for proposed structures. C. Compacting for materials in an acceptable manner as stated herein. 1.02 REFERENCE STANDARDS A. American Society for Testing and Materials (ASTM) latest edition. D 698 Test for moisture-density relations of soils using 5.5 lb. (2.5 kg) Rammer and 12 inch (304.8 mm) drop (Standard Proctor). D 1557 Test for moisture-density relations of soils using 10 lb. (4.5 kg) Rammer and 18-inch(457 mm) drop (Modified Proctor). B. American Association of State Highway and Transportation Officials (AASHTO) latest edition. T 88 Mechanical Analysis of Soils. 1.03 SUBMITTALS: NOT APPLICABLE PART 2 PRODUCTS 2.01 MATERIALS A. Fill material from on-site as specified in section 02200 and approved by the owner or owner's representative. B. Fill material from off-site as specified in section 02200 and approved by the owner or owner's representative. PART 3 EXECUTION 3.01 PREPARATION Barrett Kays& Associates, P. A. 26 h:\clients\ncpark\9409004\reports\mitchel I.doc A. Identify all lines, elevations and grades necessary to construct building subgrades as shown in the plans and specifications. B. Carefully protect bench marks, property corners, monuments or other reference points. C. Over-excavate and properly prepare areas of subgrade that are not capable of supporting the proposed systems. These areas are to be stabilized by using acceptable backfill materials placed and compacted as specified, filter fabrics and/or aggregate materials. 3.02 EXCAVATION A. Excavate building areas to line and grade as shown in the plans and specifications being careful not to over excavate beyond the elevations needed for building subgrades. B. Engage all suitable material into the project fill areas as specified in Section 02200. C. Unsuitable excavated material is to be disposed of in a manner and location that is acceptable to the owner and local governing agencies. D. Perform excavation using capable, well-maintained equipment and methods acceptable to the owner and the project document requirements. 3.03 FILLING AND SUBGRADE PREPARATION A. Building area subgrade pad shall be that portion of site directly beneath and ten feet (10') beyond the building and appurtenances includiiig the limits of any future building expansion areas as shown on the civil site drawings. B. The building area subgrade pad shall be prepared in strict accordance with the "foundation subsurface preparation" as shown on the civil-site drawings and/or the architectural-structural drawings whichever is more stringent. Rock larger than six inches (6"0) shall not be part of building subgrade fill. C. Areas exposed by excavation or stripping and on which building subgrade preparations are to be performed shall be scarified to a minimum depth of 8" and compacted to a minimum of 95% of the optimum density, in accordance with ASTM D 698, (or 92% of the optimum density, in accordance with ASTM D 1557) at a moisture content of not less than 1% below and not more than 3% above the optimum moisture content. These areas shall then be proofrolled to detect any areas of insufficient compaction. Proofrolling shall be accomplished by making a minimum of two (2) complete passes with a fully loaded tandem-axle Barrett Kays&Associates, P. A. 27 h:\clients\ncpark\9409004\reports\mitchell.doc dump truck, or approved equivalent, in each of the two perpendicular directions under the supervisions and direction of a field geotechnical engineer. Areas of failure shall be excavated and recompacted as stated above. D. Fill materials used in preparation of building subgrade shall be placed in lifts or layers not to exceed 8" loose measure and compacted to a minimum density of 95% of optimum density, in accordance with ASTM D 698 (or 92% of the optimum density, in accordance with ASTM D 1557), at a moisture content of not less than 1% below and not more than 3% above the optimum moisture content. Unless specifically stated otherwise in the "foundation subsurface preparation" on the Drawings, the following table stipulates maximum allowable values for plasticity index (PI) and liquid limit (LL) of suitable materials to be used as fill in the specified areas: Location PI LL Building area, below upper four feet 30 60 Building area, upper four feet 12 40 3.04 COMPACTION A. Maintain optimum moisture content of fill materials to attain required compaction density. B. All materials shall be tested in accordance with Section 02200. C. Compaction tests will be as specified in Section 02200 together with the following for building subgrade areas including 10'-0" outside exterior building lines: In cut areas, not less than one compaction test for every 2,500 square feet. In fill areas, same rate of testing for each 8" lift (measured loose). D. If compaction requirements are not complied with at any time during construction process, remove and recompact deficient areas until proper compaction is obtained at no additional expense to the owner. 3.05 MAINTENANCE OF SUBGRADE A. Finished subgrades shall be verified to ensure proper elevation and conditions for construction above subgrade. B. Protect subgrade from excessive wheel loading during construction, including concrete trucks and dump trucks. Barrett Kays&Associates, P. A. 28 h:\clients\ncpark\9409004\reports\mitchel I.doc C. Remove areas of finished subgrade found to have insufficient compaction density of depth necessary and replace in a manner that will comply with compaction requirements by use of materials equal to or better than best subgrade material on site. Surface of subgrade after compaction shall be hard, uniform, smooth, stable and true to grade and cross-section. 3.06 FINISH GRADING A. Finish grading shall be in accordance with Section 02200 and as more specifically stated herein. B. Grading of building areas shall be checked by string line from grade stakes (blue tops) set at not more than 50' centers. Tolerance of 0.10 feet, more or less, will be permitted. Contractor to provide engineering and field staking necessary for verification of lines, grades, and elevations. 3.07 ROCK EXCAVATION (SEE SECTION 02229 ROCK REMOVAL) END OF SECTION Barrett Kays&Associates, P. A. 29 h:\clients\ncpark\9409004\reports\mitchel I.do c SECTION 02222 EXCAVATION, BACKFILLING AND COMPACTING FOR UTILITIES PART 1 GENERAL 1.01 SECTION INCLUDES A. Excavating trenches for the installation of utilities B. Backfilling trench with bedding material as specified and indicated and finishing filling trench with suitable material to proposed subgrade. C. Compacting backfill materials in an acceptable manner. 1.03 REFERENCE STANDARDS A. American Society for Testing and Materials (ASTM) Latest Edition D 698 Test for Moisture-Density Relations of Soils Using 5.5-lb. (2.5 kg) Rammer and 12-inch (304.8 mm) Drop (Standard Proctor) D 1557 Test for Moisture-Density Relations of Soils Using 10-1b.(4.5 kg) Rammer and 18-inch (457 mm) Drop (Modified Proctor) D 1559 Test Method for Resistance to Plastic Flow of Bituminous Mixtures Using Marshall Apparatus D 2216 Laboratory Determination of Moisture Content of Soil D 2487 Classification of Soils for Engineering Purposes D 2922 Test for Density of Soils and Soil-Aggregate in Place by Nuclear Methods (Shallow Depth) D 3017 Test for Moisture Content of Soil and Soil-Aggregate in Place by Nuclear Methods (Shallow Depth) D 4318 Test for Plastic Limit, Liquid Limit, and Plasticity Index of Soils C 25 Chemical Analysis of Limestone, Quicklime and Hydrated Lime C 110 Physical Testing for Quicklime and Hydrated Lime, Wet Sieve Method C 618 Specification for Fly Ash and Raw or Calcined Natural Possolan for Use as a Mineral Admixture in Portland Cement Concrete C 977 Quicklime and Hydrated Lime for Soil Stabilization B. American Association of State Highway and Transportation Officials (AASHTO) latest edition T 88 Mechanical Analysis of Soils 1.04 SUBMITTALS: NOT APPLICABLE 1.05 PROJECT RECORD DOCUMENTS Barrett Kays&Associates, P. A. 30 h:\clients\ncpark\9409004\reports\mitchel I.doc A. Accurately record actual locations of all subsurface utilities, structures and obstructions encountered. PART 2 PRODUCTS 2.01 MATERIALS A. Bedding Material: Shall be#67 stone (conforming to NCDOT Standard specifications for roads and structures) B. Backfill material from site as specified in Section 02200 and approved by the designer. PART 3 EXECUTION 3.01 PREPARATION A. Set all lines, elevations, and grades for utility and drainage system work and control system for duration of work, including careful maintenance of bench marks, property corners, monuments, or other reference points. B. Maintain in operating condition existing utilities and drainage systems encountered in utility installation. C. Verify location, size, elevation, and other pertinent data required to make connections to existing utilities and drainage systems as indicated on Drawings. Contractor shall comply with local codes and regulations. D. Over excavate and properly prepare areas of subgrade that are not capable of supporting the proposed systems. These areas are to be stabilized by using acceptable backfill materials placed and compacted as specified and additional bedding material. E. Install dewatering systems that will be required to construct the proposed utilities in a manner that is described herein. 3.02 EXCAVATION A. The local utility companies shall be contacted before excavation shall begin by the NC One Call Center. Dig trench at proper width and depth for laying pipe, conduit, or cable. Cut trench banks practically and remove stones as necessary to avoid pointbearing. Over excavate wet or unstable soil, if encountered, from trench bottom as necessary to provide suitable base for continuous and uniform bedding. Barrett Kays&Associates, P. A. 31 h:\clients\ncpark\9409004\reports\mitchell.doc it B. All trench excavation side walls greater than 5 feet in depth shall be sloped, shored, sheeted, braced or otherwise supported by means of the sufficient strength to protect the work men within them in accordance with the applicable rules and regulations established for construction by the Department of Labor, Occupational Safety and Health Administration (OSHA), and by local ordinances. Lateral travel distance to an exit ladder or steps shall not be greater than 25 feet in trenches 4 feet or deeper. C. Perform excavation as indicated for specified depths. During excavation, stockpile materials suitable for backfilling in orderly manner far enough from bank of trench to avoid overloading, slides, or cave-ins. D. Remove excavated materials not required or not suitable for backfill or embankments and waste as specified. Any structures discovered during excavation(s) shall be disposed of as specified. E. Prevent surface water from flowing into trenches or other excavations by temporary grading or other methods, as required. Remove accumulated water in trenches or other excavations by pumping or other acceptable methods. F. Open cut excavation with trenching machine or backhoe. Where machines other than ladder or wheel-type trenching machines are used, do not use clods for backfill. Dispose of unsuitable material and provide other suitable material at no additional cost to Owner. G. Accurately grade trench bottom to provide uniform bearing and support for each section of pipe on bedding material at every point along entire length, except where necessary to excavate for bell holes, proper sealing of pipe joints, or other required connections. Dig bell holes and depressions for joints after trench bottom has been graded. Dig no deeper, longer, or wider than needed to make joint connection properly. H. Trench width requirements below the top of the pipe shall not be less than 12" nor more than 18"wider than outside surface of any pipe or conduit that is not to be installed to designated elevations and grades. All other trench width requirements for pipe, conduit, or cable shall be least practical width that will allow for proper compaction of trench backfill. I. Trench depth requirements measured from finished grade or paved surface shall meet the following minimum requirements or applicable utility company codes and ordinances: 1. Sanitary Sewer, Water: 3' of cover. 2. Storm Sewer: 1' of cover. Barrett Kays&Associates, P. A. 32 h:\clients\ncpark\9409004\reports\mitchel l.doc J. Provide sheeting and bracing, when necessary, in trenches and other excavations where protection of workmen required. Sheeting may be removed after sufficient backfilling to protect against damaging or injurious caving. 3.03 PIPE BEDDING A. Accurately cut trenches for pipe or conduit that is installed to designated elevations and grades to line and grade from 4" below bottom of pipe and to width as specified. Place 4" of bedding material, compact in bottom of trench, and accurately shape to conform to lower portion of pipe barrel or as otherwise required by the utility company, codes and ordinances. 3.04 BACKFILLING A. Criteria: Trenches shall not be backfilled until required tests are performed and the utility systems comply with and are accepted by applicable governing authorities. Backfill trenches as specified. If improperly backfilled, reopen to depth required to obtain proper compaction. Backfill and compact, as specified to properly correct condition in an acceptable manner. B. Backfilling: After pipe or conduit has been installed, bedded, and tested as specified, backfill trench or structure excavation with specified material placed in 8" maximum loose lifts. C. Backfill trenches to the contours and elevations shown on the plans with unfrozen materials. D. Systematically backfill on each side of pipe to avoid displacement. Do not backfill over porous, wet, frozen or spongy subgrade surfaces. 3.05 COMPACTION A. Exercise proper caution when compacting immediately over top of pipes or conduits. Water jetting or flooding is not permitted as method of compaction. B. Maintain optimum moisture content of fill materials to attain required compaction density. C. Compact to minimum density of 95% of optimum density in accordance with ASTM D 698 (or 92% of optimum density in accordance with ASTM D 1557). D. All materials used for backfill shall be tested in accordance with Section 02200. END OF SECTION Barrett Kays&Associates, P. A. 33 h:\clients\ncpark\9409004\reports\mitchel I.doc SECTION 02229 ROCK REMOVAL PART 1 GENERAL 1.01 SECTION INCLUDES A. Removal of identified and discovered rock during excavation. B. Use of explosives to assist rock removal C. Incorporating removed rock into fills and embankments. 1.02 REFERENCE STANDARDS A. NFPA 495 - Code For Explosive Materials 1.03 ENVIRONMENTAL REQUIREMENTS A. Determine all environmental effects associated with proposed work and safeguard those concerns as regulated by law and all others by reasonable and practiced methods. 1.04 JOB PAYMENT A. Rock removal will be paid at the contract unit price. 1.05 QUALIFICATIONS A. Contractor to remove rock by blasting shall submit records of documented experience to the Engineer and Owner. PART 2 PRODUCTS 2.01 MATERIALS A. Explosives, delay device and blast mat materials shall be the type recommended by the explosive firm that will comply with the requirements of this section. PART 3 EXECUTION 3.01 PREPARATION Barrett Kays&Associates, P. A. 34 h:\clients\ncpark\9409004\reports\mitchel l.doc A. Verify site conditions and not subsurface conditions affecting work of this section. B. Identify required lines, levels and elevations that will determine the extent of the proposed removals. 3.02 ROCK EXCAVATION A. Rock shall be defined as that solid material that cannon be excavated, in the opinion of the Owner or Designer, by any means other than drilling and blasting, drilling and wedging, or boulders and broken concrete exceeding 1/2 cubic yard in volume. Rock shall be excavated to the same limits as earth excavation except that the trench shall be made six inches lower that the outer bottom of the pipe, and this six inches shall be refilled with six inches of#67 stone and thoroughly compacted to the sub-grade level. No soft or disintegrated rock which in the opinion of the Owner or Designer that can be removed with hand picks or power operated shovels, no previously blasted rock or broken rock, and no rock outside the minimum limits of the trench shall be measured or paid for as rock. Manholes and tanks shall be excavated to nine inches outside the exterior masonry footing and to a depth as shown on the plans or standards, and only that excavation actually done within these limits shall be measured for payment. All trenches for purpose of rock measurement shall be assumed as having vertical walls. Payment for rock shall not necessarily be made because the contractor blasts the material. In order to assure payment for rock, the overburden must be cleared first, and the rock ascertained and profiled in lengths as specified by the Owner or Designer. If the contractor drills and blasts before the overburden is taken off, and the Owner or Designer after inspection of the material, decides that the material could have been taken out by power driven shovels, no payment shall be made for rock excavation. All blasting shall be done under the supervision of the Owner or Designer and subject to all applicable regulations. The Owner reserves the right to require the removal of rock by means other than blasting where any pipe or conduit is either too close to or so situated with respect to the blasting as to,make blasting hazardous. Rock shall be paid for at the unit price bid per cubic yard for the amount removed measured in place. Rock taken form the ditch shall immediately be hauled away and disposed of by the contractor. No additional compensation shall be made for disposing of the rock. Rock removed shall be paid for as per the accepted bid for the unit price. The contractor shall reimburse the amount for rock not excavated. Otherwise, when rock excavation exceeds the bid quantity, the unit price in the bid shall be paid for the rock in excess. B. Comply with all laws, rules, and regulations of Federal, State and local authorities and insurer which govern storage, use, manufacture, sale, handling, transportation, licensing, or other disposition of explosives. Take special precautions for proper use of explosives to prevent harm to human life and damage to surface structures, Barrett Kays&Associates, P. A. 35 h:\clients\ncpark\9409004\reports\mitchell.doc all utility lines, or other subsurface structures. Do not conduct blasting operations until persons in vicinity have had ample not and have reached positions of safety. C. Contractor shall save harmless owner, engineer, and owner's representative from any claim growing out of use of such explosives. Removal of materials of any nature by blasting shall be done in such a manner and such time as to avoid damage affecting integrity of design and to avoid damage to any new or existing structure included in or adjacent to work. It shall be contractor's responsibility to determine method of operation to ensure desired results and integrity of completed work. D. Perform rock excavation in a manner that will produce material of such size as to permit it being placed in embankments in accordance with Section 02200. Remove rock to limits as indicated. Remove loose or shattered rock overhanging ledges and boulder which might dislodge. E. Use lean concrete or suitable materials to replace rock overblast or over excavation in building area and in expansion area to facilitate placement of utilities and future footings. END OF SECTION Barrett Kays&Associates, P. A. 36 h:\clients\ncpark\9409004\reports\mitchell.doc SECTION 02300 CONCRETE PART 1 GENERAL 1.01 SCOPE A. Work Specified In This Section: Furnish all labor, material, equipment and services, and perform all operations in connection with providing site concrete work, complete in place, as shown and specified. The work includes but is not necessarily limited to the following: 1. Poured-in-place slab. 2. Surveying and staking. 3. As-built drawings. 1.02 GENERAL A. Materials and equipment specified by reference to standard specifications, trade association publications, and manufacturer's catalogs and installation recommendations, shall refer to the latest issue in effect at the date of contract, except where building codes refer on specific items to an earlier issue. All referenced standard specification as if repeated in full herein. B. Abbreviations, when used hereinafter shall have the following meanings: ACI American Concrete Institute ASTM American Society for Testing Materials ANSI American National Standards Institute AASHTO American Association of State Highway and Transportation Officials. AWS American Welding Society APWA American Public Works Association CS Commercial Standards FS Federal Specifications PS National Bureau of Standards Product Standards R U.S. Department of Commerce Simplified Practice Recommendations C. In case of conflict of the project specifications with the referenced specifications, the project specifications shall govern. In case of conflict between the referenced Barrett Kays&Associates, P. A. 37 h:\clients\ncpark\9409004\reports\mitchell.doc specifications and standards, the one having the most stringent requirements shall govern. D. All work shall meet the requirements of all governing codes, ordinances, laws, regulations, safety orders and directives, etc., relating to the work. PART 2 PRODUCTS 2.01 MATERIALS A. General: The Contractor shall deliver to the Engineer signed certificates from the suppliers of materials and manufactured items stating that such materials and manufactured items conform to the standards set forth in this section of the specifications. B. Portland Cement: ASTM C150, Type II or Type V unless specified otherwise. C. Fly Ash will not be allowed as a substitute for Portland Cement. D. Concrete Aggregates: 1. General: ASTM C33. 2. Fine Aggregate: Clean, hard, strong, durable, natural sand. 3. Coarse Aggregate: Hard, durable, uncoated crushed stone, or gravel. a. Maximum size of aggregate shall be 1/5 of narrowest dimension between forms of the concrete member or 3/4 of minimum clear spacing between reinforcing bars. b. Shall conform with paragraph 90-3, of Standard Specification for Public Works Construction, latest Edition. Use No. 1-1/2 gradation except as limited by the above maximum size. 4. Fine and coarse aggregate shall be stored separately. E. Mixing Water: Potable F. Steel Reinforcement: 1. Reinforcing Bars: ASTM AG15, Grade 40, deformed. Barrett Kays&Associates, P. A. 38 h:\clients\ncpark\9409004\reports\mitchell.doc 2. Metal Accessories: Include all spacers, chairs, ties, and other devices necessary for properly placing, spacing, supporting and fastening reinforcement in place. G. Admixtures: 1. Water Reducing, Retarding and Accelerating Admixtures: ASTM C494. H. Base Material Under Concrete Slabs on Grade: 1. Where shown, base under exterior concrete slabs shall be washed natural sand or unwashed manufactured sand, screened to pass at least 90 percent through a#4 sieve and not more than 2 percent to pass a#100 sieve. 2. Bases shall be compacted by rolling with a heavy roller. J. Curing Materials: 1. Paper: Non-staining reinforced waterproof curing paper, conforming to ASTM C171. 2. Membrane Forming Curing Compounds: ASTM C309, Type 1. K. Joint Materials: Self-expanding corkboard conforming to ASTM D 1752, or performed bituminous per ASTM D 1751. Joint fillers shall extend full depth of slab or joint and be of thickness and length indicated on the drawings. PART 3 EXECUTION 3.01 PROPORTIONING CONCRETE MIXES A. Strength: Except as otherwise shown, concrete shall have a minimum compressive strength at 28 days of 4,000 psi. B. Mix Design: 1. All concrete mixtures except for lean concrete shall be signed by a testing laboratory approved by the Engineer. All mixes shall be verified by actual test on cylinders prior to placing concrete, and compression tests shall show values at least 25 percent greater than minimum strength indicated. All mixes shall conform to governing building code requirements and to current American Concrete Institute Standard. All mix designs shall be approved by the Engineer prior to their use. The Contractor shall pay the testing laboratory for all cost incurred for the mix design. Barrett Kays&Associates, P. A. 39 h:\clients\ncpark\9409004\reports\mitchel I.doc 2. The amount of fine and coarse aggregates shall be so proportioned with respect to each other and with respect to the water content, that the concrete placed without segregation, but in case shall the volume of in aggregates be less than 35 percent of the sum of volumes of fine and coarse aggregates when measured in loose, dry volumes before being combined. The amount of aggregates before combining shall not exceed 6-1/2 cubic feet per each sack of cement. 3. Water, including any moisture contained in the aggregate, shall not exceed the amounts specified in Table 502 (a) of the ACI Building Code 318-63. 4. The minimum cement content for concrete shall be 5-1/2 sacks per cubic yard, or more as determined by testing laboratory. C. Admixtures: 1. Air entraining admixtures shall be used for all concrete, with amount of entrained air to be 3 to 6 percent by volume and tested by air meter in accordance with ASTM C 173. Admixtures for air entraining shall be used in strict accordance with manufacturer's printed recommendations and shall be adjusted at the batch plan by the manufacturer's representative for correct entrainment. 2. Water Reducing Agent: In order to reduce total water content, the Contractor may use a water reducing agent, approved by the Engineer, in strict accordance with manufacturer's recommendations. The reduced water content must be taken into consideration when proportioning materials, except that the minimum requirements stated above must be maintained. 3. Retarding and accelerating admixtures shall not be used unless approved by the Engineer. 4. All admixtures shall be included in the design test cylinders. 5. Admixtures must be compatible and retain full efficiency, and shall have no deleterious effect on the concrete or on the properties of each other. 6. Calcium chloride shall not be used. 3.02 BATCHING AND MIXING A. General: Except as otherwise specified, concrete shall be ready-mixed or job- mixed at the Contractor's option, and in accordance with requirements of the governing building code and in accordance with ACI-318. Barrett Kays&Associates, P. A. 40 h:\clients\ncpark\9409004\reports\mitchell.doc B. Job-Mixed Concrete: Concrete shall be mixed dry in a machine batch mixer with a peripheral speed of 200 feet per minute and for at least 3 minutes after addition of water and until mass is uniform and homogeneous. Capacity of mixer shall be such that it will handle one or more full sack batches. Split batches will not be permitted. Mixers shall not be operated beyond rated capacity as given in manufacturer's catalog, and shall be thoroughly cleaned between batches. C. Ready-Mixed Concrete: 1. Ready-mixed concrete shall conform to these specifications and shall be mixed and delivered to the point designated by the means and standards set forth by ASTM C94. 2. Water shall not be added on the job unless authorized by the Engineer; the amount of water, if added, shall be recorded on all copies of the delivery ticket hereinafter required. If water is permitted to be added to mixed concrete upon arrival at the job, an additional mixing of 20 revolutions of the drum shall be required. 3. With each load of concrete delivered to the job there shall be furnished by the ready-mixed concrete producer duplicated delivery tickets, one for the Contractor and one for the Engineer. Delivery tickets shall provide the following information: a. Date. b. Name of ready-mixed concrete plant. c. Job location. d. Contractor. e. Type and brand name of cement. f. Class and specified cement contents in bags per cubic yard of concrete. g. Truck number. h. Time dispatched and time unloaded. i. Amount of concrete in load in cubic yard. j. Admixtures in concrete, if any. Barrett Kays&Associates, P. A. 41 h:\clients\ncpark\9409004\reports\mitchell.doc k. Maximum size of aggregate and amount of aggregate of each size per cubic yard. 1. Water added at job, if any. 3.03 FORMWORK A. Materials: 1. Plywood: Shall be 5-ply, 5/8-inch thick minimum, moisture resistant "Plyform" as manufactured by a member of the Douglas Fir Plywood Association. 2. Lumber For Formwork: Shall be construction grade Douglas Fir. B. Methods of Construction 1. Forms shall be designed, constructed, and erected in accordance with "Recommended Practice for Concrete Formwork", ACI-346. 2. Construction tolerances shall not exceed those suggested in ACI-347. 3. Reuse of form materials shall be contingent upon the condition of such materials after stripping and their ability to produce concrete finishes a required. C. Form Coating: The Contract surface of all forms shall be treated with an approved chemical release agent. 3.04 REINFORCING STEEL A. Bending and Placing: 1. All bars shall be bent cold and bars with bends not shown on plans and/or schedules shall not be used. 2. The minimum clear distance between parallel bars shall be not less than the nominal diameter of the bars not less than 1-1/3 times the maximum size of the coarse aggregate, or one inch minimum, except where otherwise noted. 3. Splices for reinforcement shall be made in accordance with ACI-318 except where otherwise noted. 3.05 CONVEYING AND PLACING Barrett Kays&Associates, P. A. 42 h:\clients\ncpark\9409004\reports\mitchell.doc A. Preparations: Before placing concrete, all debris, water and ice shall be removed from the places to be occupied by the concrete. Wood forms shall be thoroughly wetted or oiled, and the reinforcement cleaned of ice or other coatings. B. Placing: The placing of all concrete shall be done in accordance with requirements of the ACI-318. C. Weather Conditions: Concrete when deposited shall have a temperature not below 50 degrees F. and not above 85 degrees F. Concrete shall not be placed during freezing weather. D. Construction Joints: 1. Construction joints shall be formed as indicated on the drawings, or as approved or directed by the Engineer. Dowels and keys shall be used where indicated or required. 2. The rate and method of placing concrete and the arrangement of construction joint bulkheads shall be such that the concrete between construction joints shall be placed in continuous operation. 3. Joints shall be perpendicular to the axis or surface of the member jointed. 4. Before concreting is resumed, the surfaces of previously placed concrete shall be roughened, cleaned by vigorous wire brushing or sandblasting, wetted and slushed with grout immediately before additional concrete is placed. Grout shall be 1 part portland cement and 2 parts sand. E. Concrete Slabs on Grade: Installation of underground and embedded items shall be approved before slabs are placed. Pipes, ducts, and conduits shall be placed below the concrete unless otherwise detailed. Fill required to raise the subgrade shall be installed as specified under Section "Earthwork" of these specifications. Concrete shall be compacted, screeded to grade, and-prepared for the specified finish. Fiberboard joints shall be made with a strip of 1/8 inch thick hard-pressed fiberboard in as long lengths as practicable. The slab shall be floated and finished as specified, using an edging tool on each side of the inserted joint. Concrete joints shall be filled with jointfilling compound. F. Weather Conditions: 1. Concrete when deposited shall have a temperature not below 50 degrees F. and not above 85 degrees F. 2. The methods and recommended practice in ACI Standard 605-59 shall be followed for hot weather concreting. Barrett Kays&Associates, P.A. 43 h:\clients\ncpark\9409004\reports\mitchel I.doc 3. The use of salt, chemicals or other foreign materials shall not be mixed with the concrete. • 4. Admixtures intended to accelerate the hardening of the concrete or to produce higher than normal strength at early periods will not be permitted unless specified or prior approval is obtained from the Engineer. 5. Records shall be kept by the Contractor to show the date of placements, the mix used and air temperature at time of concreting for the various portions of the work. These records shall be available to Engineer when requested. G. Installation of Anchorage Items: 1. Anchor bolts for steel column bases shall be set in the forms and cast into the concrete. Bolts will be furnished under Division 5 of the specifications. 2. Grouting of Bases: All bases shall be grouted with approved pre-mixed non- shrinking grout to which only water is added at the job. The amount of water added shall be in strict accordance with the manufacturer's recommendations. The grout shall be worked under the bases completely filling the space between base and concrete. 3. Provide for installation of inserts, conduit, pipe sleeves, drains, hangers, metal ties, shelf angle supports, anchors, bolts, angle guards, dowels, thimbles anchor slots, metal reglets, nailing strips, blocking, grounds and other fastening devices required for attachment of other work. Properly locate in cooperation with other trades and secure in position before concrete is poured. 4. Where openings are left in concrete for the passage of ducts, the openings shall be made slightly larger than the duct size as directed by the Engineer, unless dimensioned on structural drawings. 3.06 FINISH OF CONCRETE A. Exposed concrete, surfaces shall be given a smooth trowel finish, unless otherwise noted. 3.07 PROTECTION OF FINISH A. The Contractor shall fully protect all finished parts against damage from whatever cause during the progress of the work and until final acceptance. 3.08 CURING Barrett Kays&Associates, P. A. 44 h:\clients\ncpark\9409004\reports\mitchel I.doc A. Concrete shall be cured by coating with a sealing curing compound; the compound used must meet Engineer's approval. Compound shall be applied in two (2) separate coats in accordance with manufacturer's directions and using the maximum quantity recommended. Curing compound shall be applied as soon as surface water has disappeared from concrete surfaces. END OF SECTION Barrett Kays&Associates, P. A. 45 h:\clients\ncpark\9409004\reports\mitchell.doc SECTION 02510 ASPHALTIC CONCRETE PAVEMENT PATCH PART 1 GENERAL 1.01 SECTION INCLUDES A. Asphalt concrete pavement patch PART 2 PRODUCTS 2.01 MATERIALS A. Bituminous concrete surface course, type I-2, shall conform to Articles 645-2, 3 of the NCDOT Standard Specifications for Roads and Structures. PART 3 EXECUTION 3.01 TRANSPORTATION AND DELIVERY OF SURFACE COURSE, TYPE I-2. A. The mixture shall be transported from the mixing plant to the point of use in vehicles having tight metal bodies previously cleaned of all foreign materials. Each load shall be covered with canvas or other suitable material of sufficient size and thickness to protect it from the weather. Bodies shall be lightly oiled to prevent mixture from adhering thereto. No loads shall be sent out so late in the day as to prevent completion of the spreading and compaction of the mixture during daylight. The mixture shall be delivered at a temperature between 225 degrees and 325 degrees F. and within 25 degrees F. of the temperature set at the mixing plant. 3.02 PLACING TACK COAT A. Install tack coat on the existing asphalt pavement and before applying the surface coat. 3.03 PLACING SURFACE COURSE A. The surface course shall be spread by means of a mechanical self-powered paver, capable of spreading the mixture to the proper line, grade and crown. It shall be capable of spreading the mixtures, without segregation, to the required grade and confine the mixtures to true lines without the use of stationary side forms. The term "Screed" includes a"strike-off' device operated by cutting, crowding, or other practical action which is effective on the mixtures at workable temperature Barrett Kays& Associates, P. A. 46 h:\clients\ncpark\9409004\reports\mitchell.doc without tearing, shoving, or gouging and which produces a finished surface of the evenness and texture specified. B. After the surface course mixture has been spread and before roller compaction is started, the mixture shall be spread and screeded by hand. Straight edging and backpatching shall be done after initial.compaction while material is still workable. C. On areas where it is impossible to use mechanical spreading and finishing equipment, the mixture shall be spread and screeded by hand. Straight edging and backpatching shall be done after initial compaction while material is still workable. D. The Contractor shall provide and have ready for use at all times enough tarpaulins or covers for use in case of rain, chilly wind, or delay for the purpose of covering or protecting any material dumped but not spread. E. Asphaltic material shall not be placed at temperatures less than 40 degrees F. Temperatures shall be 40 degrees F. and rising before placement of asphaltic material. 3.04 COMPACTING OF SURFACE COURSE A. After placing, the mixture shall be thoroughly and uniformly compacted with tandem rollers of eight or ten ton model weighing not less than 250 pounds per inch width of roller thread. Each roller shall be in the charge of a competent, experienced operator and must be kept in continuous operation as neatly as practicable. Rolling shall start longitudinally at the out edges and proceed toward the center of the pavement, overlapping on successive trips by at least 1/2 the - width of the roller. The speed of the roller shall at all times be slow enough to avoid displacement of the hot mix as a result of reversing. Any displacement shall be immediately corrected. Rolling shall proceed at a rate not in excess of 500 square yards per hour per roller and shall continue until no further visible compaction is obtainable and all roller marks have been eliminated. Rolling shall compact the mixture to at least 94 percent of the theoretical maximum density. Rolling shall be started as soon as the mixture will bear the roller without undue misplacement or hair cracking. Delays in rolling hand raked mixture will not be tolerated. B. To prevent adhesion of the mixture to the roller, the wheels shall be kept slightly oiled or moistened. Places not accessible to the roller shall be thoroughly compacted with hand tamps. C. When edges are not protected, planks of the same thickness shall be placed • adjacent to longitudinal or transverse joint until the surface course is completed. Barrett Kays& Associates, P. A. 47 h:\clients\ncpark\9409004\reports\mitchell.doc Sections of newlyfinishedpavement shall beprotected from traffic until they have become properly hardened by cooling. END OF SECTION • Barrett Kays&Associates, P. A. 48 h:\clients\ncpark\9409004\reports\mitchell.doc SECTION 02660 WATER DISTRIBUTION SYSTEMS PART 1 GENERAL 1.01 SECTION INCLUDES Furnishing and installing a 2" water main with services. 1.02 REFERENCES A. ANSI/ASME B16.18 - Cast Copper Alloy Solder Joint Pressure Fittings. B. ANSI/ASME B 16.22 - Wrought Copper and Copper Alloy Solder Joint Pressure Fittings. C. ANSI/AWWA C509 - Resilient Seated Gate Valves 3 in through 12 in NPS, for Water and Sewage Systems. D. ASTM B88 - Seamless Copper water Tube. E. AWWA C-660-77 Section 4 - Hydrostatic Tests. F. AWWA C-600-64 - Leakage Tests 1.03 SUBMITTALS Product Data: Provide data on pipe materials, pipe fittings, valves and accessories. 1.04 PROJECT RECORD DOCUMENTS A. Accurately record actual locations of piping mains, valves, connections, invert elevations; as well as all hydrostatic and bacteriological test results. B. Identify and describe unexpected variations to subsoil conditions or discovery of uncharted utilities. 1.05 REQUIREMENTS A. The contractor shall install the new main in the same trench as the existing main. Abandon the existing main. Barrett Kays&Associates, P. A. 49 h:\clients\ncpark\9409004\reports\mitchell.doc i B. The contractor shall not disrupt water service during installation of the water line. The contractor shall make the final tie-ins to the existing system with a maximum 4-hour loss of water service. C. The contractor shall take great care not damage the existing waterline while still in service. At no additional cost to the owner, the contractor shall repair any damage he causes with a maximum 2-hour loss of service. Should the contractor 111 not restore service within 12-hours, he will be assessed liquidated damages of $100; an additional $100 will be assessed for additional 12-hour increments water service has not been restored. PART 2 PRODUCTS 2.01 PIPE A. Pipe sizes less than 3"that are installed below grade and outside building shall comply with one or combination of following: 1. Seamless Copper Tubing: Type "K" roll From to comply with ASTM B88-62 and installed with wrought copper(95-5 Tin Antimony solder joint) fittings in accordance with ASTM B 16.22. 2. 2" Main shall be 2" galvanized steel • 2.02 GATE VALVES - 2 Inches and Over A. Manufacturers: Mueller, M& H, American Darling Resilient Seat Gate Valves or approved equal. B. ANSI/AWWA C509, Iron body, bronze mounted double disc, parallel seat type, non-rising stem with square 2"nut, single wedge, resilient seat, flanged or mechanical joint ends, control rod, post indicator where indicated on plans, extension box and valve key. 2.03 CURB STOPS A. Manufacturers: Curb Stops for service lines shall be manufactured by Mueller Oriseal, Hayes Nuseal, Ford or approved equal. All valves must have a complete ball and be installed in a valve box. 2.04 ACCESSORIES Barrett Kays&Associates, P. A. 50 h:\clients\ncpark\9409004\reports\mitchell.doc A. Concrete for Thrust Blocks: Place thrust blocking consisting of 2,500 psi concrete to provide sufficient bearing area to transmit unbalanced thrust from bends, tees, caps, or plugs to undisturbed soil as shown on the plans. PART 3 EXECUTION - per NCDOT requirements 3.01 EXAMINATION A. Verify locations of existing building service connections. 3.02 PREPARATION A. . Ream pipe and tube ends and remove burns. B. Remove scale and dirt, on inside and outside, before assembly. • 3.03 BEDDING A. Excavate pipe trench in accordance with Section 02222 for work of this Section. Hand trim excavation for accurate placement of pipe to elevations indicated. B. Place bedding material at trench bottom, level fill materials in one continuous layer not exceeding 8 inches compacted depth, compact to 95 percent maximum density. C. Back fill around sides and to top of pipe with fill, tamped in place and compacted to 95 percent maximum density. 3.04 INSTALLATION - PIPE A. Maintain separation of water main from sanitary and storm sewer piping in accordance with state or local code. B. Install pipe to indicated elevation to within tolerance of 1 inch. C. Install pipe to allow for expansion and contraction without stressing pipe or joints. D. Install access fittings to permit disinfection of water system performed under this Section. E. Connections with Existing Pipelines: Where connections are made between new work and exiting piping, make connection using suitable fittings for condition Barrett Kays&Associates, P. A. 51 h:\cl ients\ncpark\9409004\reports\mitchell.doc encountered. Make each connection with existing pipe at time and under conditions which least interfere with operation of existing pipeline. F. Form and place concrete for thrust blocks at each elbow or change of direction of pipe main. G. Establish elevations of buried piping to ensure not less than 36 in. of cover over the top of pipe: In cold climates, establish elevations of buried piping to ensure 6 inches between top of pipe and frost line. H. Backfill trench in accordance with Section 02222. 3.05 INSTALLATION - VALVES A. Install gate valves as indicated on Drawings and supported on concrete pads with valve stem vertical and plumb. Install valve boxes in a manner that will not transmit loads, stress, or shock to valve body. Center valve box over operating nut of valve vertical and plumb. Securely fit valve box together leaving cover flush with finished surface. Install a precast concrete protective ring around the valve P box. 3.06 DISINFECTION AND BACTERIOLOGICAL SAMPLING OF DOMESTIC WATER PIPING SYSTEM A. All additions or replacements to the water system shall be chlorinated before being placed in service. Such chlorination must take place under the supervision of the Engineer. B. Pipe subjected to contaminating materials shall be treated as directed by the Engineer. Should such a treatment fail to cleanse the pipe, replacement shall be required. The customer shall bear no portion of any cost sustained by the contractor in meeting this specification. C. Chlorination of a completed line shall be carried out after completing the required hydrostatic tests in the following manner: (a) Taps will be made at the control valve at the upstream end of the line, and at all extremities of the line including valves. These taps shall be located in such a manner as to allow a high test hypochlorite (HTH) solution of 70% available chlorine to be fed into all parts of the line. (b) A solution of water containing the HTH solution of 70% available chlorine shall be introduced into the line by regulated pumping at the control valve tap. The solution shall be of such a concentration that the line shall have a uniform concentration of 50 ppm total chlorine immediately after chlorination. (c) The HTH solution shall be circulated in the main, opening the control valve, and systematically manipulating the taps at the line extremities. The HTH solution must Barrett Kays&Associates, P. A. 52 h:\clients\ncpark\9409004\reports\mitchell.doc be pumped in at a constant rate in order that a unifouu concentration will be produced in the mains. (d) Services shall be sterilized by methods acceptable to the Engineer, and the Contractor shall have the same responsibility for laterals as for mains in regard to bearing the full cost of any corrective measures needed to comply with bacteriological or other requirements. (e) The HTH solution shall remain in the lines for no less than 24 hours unless otherwise directed by the Engineer. (f) Extreme care will be exercised at all times to prevent the HTH solution from entering existing mains. Do not place distribution system in service until approval is obtained from the Engineer, and applicable governing authorities. (g) Free residual chlorine after 24 hours shall be at least 10 ppm or the line will be rechlorinated. (h) Mains will be flushes with a blow off assembly to effectively clean the main. Flushing of lines may proceed after 24 hours provided the free residual chlorine analysis is satisfactory. Flushing shall be continued until a DPD check indicates that the line contain only the normal chlorine residual. Flushing will be for short durations. D. Samples for bacteriological analysis shall be collected for each section of pipe between main line valves after flushing is complete. The contractor shall furnish such help as may be required to secure these samples. All tests must be conducted in the presence of the Engineer and applicable governing inspectors. In the event of failure of a bacteriological test, that section of the line will be rechlorinated by the Contractor, and retested, prior to moving to the next section of line. Furnish a copy of the results of all bacteriological tests conducted to Engineer upon completion of tests. 3.07 SERVICE CONNECTIONS Finish and install water services and curb stops to individual residences as shown on the plans. The valve box is included with the valve. Work shall conform to state requirements. 3.08 FIELD QUALITY CONTROL Test water distribution system pipe in accordance with following procedures: (a) Hydrostatic Tests. Furnish, install, and operate the necessary connections, pump, meter, and gauges All main installations shall be pressure tested between each main line valve in accordance with AWWA C-600-77, Section 4. The test shall be performed using a suitable pump, and an accurate pressure gauge. Prior to running any test, meter shall be tested, sealed, and approved by applicable governing authority at Contractor's expense. Barrett Kays&Associates, P. A. 53 h:\clients\ncpark\9409004\reports\mi tchel l.doc Immediately upon completion of a section of main, 150 psi (± 5 psi) of pressure shall be applied and held for two hours. The acceptable leakage rate shall not exceed that permitted by AWWA C-600-64, and .092 gallons per inch of pipe diameter per 1,000 feet of pipe per hour. Failure of the water main to comply with the above acceptable leakage rate, shall require the Contractor to locate and repair all leaks and replace any defective materials to insure a watertight installation. After any inadequacies have been corrected, the leakage rate will again be tested. This test will be repeated until that portion of the main is brought to compliance with the permissible leakage rate. (b) Prior to testing, all valves shall be properly located, operable, at the correct elevation, and all valve boxes shall be centered. (c) Lines shall be properly vented where entrapped air is a consideration. (d) Furnish a copy of the results of meter test and hydrostatic pressure test to Engineer upon completion of tests. END SECTION Barrett Kays& Associates, P. A. 54 h:\clients\ncpark\9409004\reports\mitchell.doc SECTION 02730 SANITARY SEWER PART 1 GENERAL 1.01 SECTION INCLUDES A. Requirements for both providing and installing sanitary sewer mains. PART 2 PRODUCTS 2.01 MATERIALS A. Sanitary sewer piping shall be schedule 40 PVC conforming to ASTM D1785. Couplings and Fittings shall be of PVC compounds (ASTM D1784, Type I, Grade I). PART 3 EXECUTION 3.01 GRAVITY SEWER REPLACEMENT A. Contractor shall replace existing gravity sewer and manholes as indicated on plans. B. Contractor shall provide for continuing sewer service by by-passing pumping or other approved methods. 3.02 EXCAVATION A. The Contractor is responsible for the location and protection of all existing utilities. Excavation shall be to lines and grades set by the Engineer in the plans. When excavation is in rock, the trench shall be dug 6" below the pipe grade, and filled back to grade with selected material or washed stone, at the Engineer's discretion. When unsuitable bearing material is encountered at the trench bottom, it shall be excavated and filled back with either select material or washed stone, at the Engineer's discretion. Contractor shall provide bracing to comply the OSHA requirements. No trench shall be left open when the Contractor is not at the side (such as at the end of the working day). 3.03 PIPE LAYING Barrett Kays&Associates, P. A. 55 h:\clients\ncpark\9409004\reports\mitchell.doc A. The bottom of the trench shall be smoothed to allow a maximum bearing for the entire pipe, less the bell. Pipe shall be thoroughly cleaned, gently lowered into trench, and properly aligned and homed, with the bell end in the direction of laying. Manufacturers installation guide shall apply for the manner in which joints are secured, and for the maximum amount of deflection permissible. B. As soon as the pipe is laid, it shall be secured in place by hand placing bedding, free from rocks, under the haunches and around the sides of the pipe. This bedding shall be continuously hand-tamped as it is placed, using appropriate tamping tools to tamp under the sides of the pipe. Compact to 95% maximum density. Maintain optimum moisture content of bedding to attain required compaction density. C. Install pipe, fittings, and accessories in accordance with the manufacturer's instructions. Seal joint watertight. D. Establish pipe inverts as indicated on drawings. 3.04 BACKFILLING AND COMPACTION A. From a point one foot above the pipe zone to the top of the trench, backfilling may be with mechanical equipment. Backfill material shall contain no rocks larger than 4" in size. Backfill material shall be mechanically compacted to at least 95% of maximum soil density, as determined by AASHTO T-99. Compaction tests will be run at the discretion of the Engineer. All successful test shall be paid for by the Owner; all unsuccessful tests shall be paid for by the Contractor. 3.05 CONCRETE BLOCKING: FORCE MAIN A. Pipe fittings shall be blocked to resist thrust movement as per the drawings. Blocking shall be with 2500 psi concrete placed between the fitting and the natural solid ground on the side of the ditch. 3.06 PAVEMENT CUTTING A. Where force mains are to be installed in paved areas, the pavement shall be cut in neat, straight lines. The top 12" of ditch shall be backfilled with 12" of type ABC stone compacted to 95% maximum density, and 2" of I-2 asphalt. END OF SECTION Barrett Kays&Associates, P. A. 56 h:\clients\ncpark\9409004\reports\mitchell.doc SECTION 02740 PUMPING SYSTEM PART 1 GENERAL 1.01 SECTION INCLUDES A. Furnishing, installing, testing, and placing into service the complete pumping system for the drip irrigation system. 1.02 SUBMITTALS A. Five (5) sets of shop drawings for all mechanical equipment and major materials including pumps, piping, filters, pump tanks, and all the accessories shall be furnished to the designer for approval prior to manufacturing. B. Manufacturer's product data for the pumps and filtration equipment. PART 2 PRODUCTS 2.01 MATERIALS A. Major system components including controls, pumps, valves, filters, level controls, strainer, solenoid valves, dripper line and meter shall be supplied as a unit. The pumping system shall be furnished as a package and shall be supplied pre-piped and skid mounted. B. Precast pump tank shall be as shown on the plans: It shall be approved by the Division of Environmental Health of NC DEHNR and shall have the approval number imprinted on the delivered tank. Opening or inserts shall be cast in during manufacture. Concrete shall have a minimum compressive strength of 4,000 psi @ 28 days. C. The pump building shall be as shown on the plans. Where piping through the building floor is depicted, all such openings shall be formed or casings installed prior to pouring of the floor, including conduit. All electrical work shall be in accordance with applicable building codes. The Contractor, at his expense, shall obtain all necessary building and electrical permits for construction of the building. D. Pump discharge and suction piping shall be schedule 40 PVC conforming to ASTM D 1785. All couplings and fittings shall be of polyvinylchloride compounds (ASTM D 1784, Type I, Grade I) and shall conform to the engineering drawings.. Barrett Kays&Associates, P. A. 57 h:\clients\ncpark\9409004\reports\mitchell.doc E. Gate Valves: Gate valves shall be iron or bronze body, parallel seat type bronze fitted with double disc and wedges shall comply with ASSA C-500 designed for 150 psi. All valves shall open left (counter clockwise) and have wheel operators. F. Swing Check Valves: Swing check valves shall be flow control PVC swing check valves with rubber flapper and PVC cap. G. Controls: 1. The system shall contain a pumping tank with mercury switch settings allowing the water level to rise to a pre-determined elevation where a mercury float switch shall close activating a logic sequence in the microprocessor controller that determines whether the system had dosed within the previous six hours. If it has dosed within the previous six hours, it shall begin a time delay for pump operation until the (six hours) time has been satisfied, or upon reaching the alarm elevation, the system shall override the time delay and begin the dosing action. The system shall log for later retrieval the time the "ON" pump float switch was activated and also the time the alarm"ALM" switch was activated. Upon receiving a legitimate signal to start dosing operation, the system will activate the designated pump. The system shall contain two pumps receiving alternate signals for pumping cycles. The lead pump shall operate delivering a pre-determined dose to the designated ground absorption field. Effluent shall pass through a flow meter equipped with pulse activator that will transmit pulsed signals to I4 microprocessor that will reduce received data to gallons and also gallons per minute. The microprocessor, upon recognition of the pre-determined volume having been processed, shall shut-off the operating pump. The pump shall also shut off it the low water level pump switch is activated. 2. If the high water level "alarm" float switch is activated, the microprocessor shall select the next sub-field to be dosed, by field solenoid valves to direct flow to the field, begin its process of delivering the pre-determined dose volume, and shall activate the telephonic auto-dialer, audible and flashing alarm systems. Once energized, the flashing and audible alarm units may be shut-off manually. 3. The microprocessor shall also control p on rol the periodic backwashing of the filters and flushing operation of the sub-field laterals. Filter backwashing shall occur either by the microprocessor receiving a signal from a pressure differential sensor that will measure pressure loss across the system filters (normally upon reaching a 4 PSI difference) or by recognition of a pre-set elapsed time since last system flush (usually 24 hours). The system shall be configured to allow for manual operation of backwashing filters or sub-field system flushing. Barrett Kays&Associates, P. A. 58 h:\clients\ncpark\9409004\reports\mitchell.doc 4. System lateral flushing shall occur when the microprocessor sensor recognition of a preset elapsed time since last system flush (usually 28 days). 5. The microprocessor shall also control the sequential alteration of the ground absorption sub-fields by the proper operation of field control (solenoid) valves. The microprocessor shall log and record for later retrieval or transmission, the times of operating in gallons per operating cycle to individual sub-fields, the average flow rate during cycle in"Gallons Per Minute", date and time of filter backwash, date and time of system flushing and the time and nature of any alarm condition. 6. The pump control panel shall include, but not be limited to a"General" system control switch, stop-start switch for each non-resetable elapsed time meter for each pump, and individual pump run lights. 7. The pump control panel shall be a NEMA 4x enclosure. All control units, if not housed within the main pump panel, shall be a separate NEMA 4x enclosures. H. Pumps: • 1. Dual pumps shall be horizontal, close coupled centrifugal. Pumps shall be capable of pumping a minimum of 23 gpm at 30 psi. 2. Motor shall be 2 horsepower, single phase, 230 volts. 3. Pump body shall be close grained cast iron. Impeller will be made of polycarbonate. Diffuser will be cast iron. Pump shaft will be carbon steel inside stainless steel removable sleeve. A drain port shall be provided for dewatering the pump for the winter. Port will be conveniently located for easy access. I. Level Controls: Three mercury float control switches shall be supplied for the operation of the pumps and high water level control and alarm. J. In-line Filters: Two in-line filters will be of a fixed disc type and have a pressure switch to actuate an automatic backwash cycle. The screen shall be 115 Micron size. A third filter will be on a bypass line and will be manually backwashed. K. Flow Meter: Barrett Kays&Associates, P. A. 59 h:\clients\ncpark\9409004\reports\mitchel l.doc Flow meter shall be included with the system to record the volume of water. PART 3 EXECUTION 3.01 PRECAST PUMP TANK • A. The Contractor shall install precast pump tanks in the configuration shown on the plans. All tank components and connections to tanks shall be made waterproof by use of mastic joint sealer and concrete mortar on both sides of all joints on the tanks and manholes. All bolt and pipe connection to the tanks shall be through smooth round holes made during casting of the tanks. B. After installation and sealing, the Contractor shall perform an infiltration test on each tank, and said tanks shall have no greater infiltration than 25 gallons per tank over a 24 hour period. C. Excavation for tank installations shall be extended three (3) feet horizontally beyond maximum outside dimension of tank configuration and four (4) inches vertically below the proposed bottom of the tanks. Stockpiling of excavated material shall be coordinated so as not to interfere with the supplier's placement of tanks. D. Prior to placement of tanks a four (4) inch leveling coarse of Number 57 washed stone shall be placed in the excavation and shaped to accommodate tanks at the design elevations. E. After making all connections and ensuring watertightness of each by infiltration testing, backfilling and tamping operations shall take place in layers not to exceed eight (8) inches in depth so as to provide a thoroughly compacted backfill around and above each tank. 3.02 PUMPING EQUIPMENT A. Installation shall conform to applicable building codes and the details shown on the plan sheets. The unit shall be mounted on a platform. B. Leakage Testing 1. The water for testing purposes can be taken from the nearest available water main under the supervision of the Designer and leakage will be measured by the Designer with a meter furnished by the Contractor. 2. If openings are not available for the purposes of expelling air, the Contractor shall provide air release of sufficient size. Barrett Kays& Associates, P. A. 60 h:\clients\ncpark\9409004\reports\mitchel I.doc 3. The test pressure will be 150 psi at the low point of the section under test. 4. Allowable leakage will be determined by Table 6, AWWA C-600 as by the formula L = 0:000083SD where the length of pipe is under test and D is pipe diameter. Allowable leakage for each lateral connection is 0.0050 gal./hr. END OF SECTION • Barrett Kays& Associates, P. A. 61 h:\clients\ncpark\9409004\reports\mitchell.doc 1 SECTION 02741 SAND FILTERS PART 1 GENERAL 1.01 Section Includes ' A. Furnishing, installing, testing and placing into service the complete sand filter system as shown on the plans. ' PART 2 MATERIALS 2.01 All materials used for the construction of the sand filters shall conform to those items shown on the plans. This liner material shall be 30 mil PVD Membrane Liner or 30 mil HDPE (3010B) membrane material as manufactured by ' Environmental Protection, Inc., Water Saver Company, Environmental Liners, Raven Industrial or approved equal. 2.02 All gravel shall meet NCDOT specifications; as well as suitability, and size requirements shown on the plans, and described herein. The Owner shall collect ' samples of all materials and have them available for testing purposes. The Contractor will provide the Owner with documentation of the material analysis from supplies prior to placing any materials. ' PART 3 EXECUTION 3.01 The Contractor shall grade the filter to conform with the contents shown on the plans. The side slopes shall be 1:1. All fill material & placement thereof shall comply with the requirements of Section 02221 and 02222. The finished basin ' shall be free of rocks, roots, debris, or other sharp objects that may damage the liner. 1 3.02 The Liner shall be placed in the graded basin as shown on the plans. A 6" sand layer shall be placed over the liner to cushion the aggregates and to help prevent tearing the liner material. Liner placement will need to be done when the temperature is above 60° F. ' 3.03 A 25' x 40' Roll of liner will be provided so that the filters can be covered during the winter months. 3.04 Filter media shall consist of four layers: A. The bottom-most layer shall consist of a 6" layer of NCDOT#57 coarse aggregate stone. Barrett Kays&Associates, P. A. 62 h:\clients\ncpark\9409004\reports\mitchell.doc B. The lower intermediate layer shall consist of a 6" layer of NCDOT#14 coarse aggregate stone. C. The upper intermediate layer shall consist of a 24" layer of 0.5 mm to 1.0 mm sand with an effective particle size equal to 0.05 mm, a dust content of less than 0.5% , and a uniform coefficient of less than 3.0. D. The uppermost layer shall consist of a 6" layer of NCDOT#57 coarse aggregate stone. 3.05 After construction the filter will be tested to verify that the hydraulic loading capacity is 3 to 5 gallon per day per square foot of filter area. Barrett Kays&Associates, P. A. 63 h:\clients\ncpark\9409004\reports\mitchell.doc 1 1 SECTION 02742 PUMP HOUSE BUILDING AND WOOD MATERIALS PART 1 GENERAL 1.01 The Contractor shall construct the 10' x 12' pump house building in accordance with the plans. The building includes all foundation, electrical, framing and finished carpentry work. The Contractor shall be responsible for all electrical fixtures and all conduit stubs as detailed on the plans. PART 2 PRODUCTS 2.01 BUILDING MATERIALS A. All lumber and related building materials shall comply with details shown on the plans. The lumber sizes are nominal sizes and represent dressed construction materials. B. Treated lumber shall meet the requirements of the American Wood Preserves Assocation (AWPA). The wood should be treated with chromated copper arsenate as produced by Wolman, Osmose, or approved equal which meets the ' requirements of AWPA L-2. The retention of the preservative shall at least be 0.4 pcf. ' C. The owner shall pick the color of the shingles to be used on the building. The following manufacturers are approved for the building: ' Timberline 340 GAF Prestique 322 ELK Oakridge 310 Owens Corning Dimensional III 320 Celotax D. Roofing Felt shall be 15 pound and meet ASTM D 226-68. E. All nails and fasteners shall be galvanized. F. Miscellaneous hardware and fasteners shall be according to the plans. ' G. Concrete work shall conform to Section 02300. PART 3 EXECUTION Barrett Kays&Associates, P. A. 64 h:\clients\ncpark\9409004\reports\mitchel I.doc 3.01 EXECUTION All building materials delivered shall be neatly stacked and covered to protect it from the weather. Contractor will do all site grading to conform to the plans. The footing excavations will be prepared by the contractor and inspected prior to pouring any concrete. Contractor shall install the electrical conduits and wastewater piping prior to pouring the footing or slab. Four inches of crushed stone will be placed on the subgrade tamped and leveled before pouring the concrete for the slab. Anchor bolts as shown on the plans will be placed so they are cast into the concrete. The bolts will be wrapped with tape so the concrete will not get on the threads. Construction of the building will comply with the details shown on the plans. Quality workmanship will be used while constructing the building. All necessary wiring and cabling will be coordinated with the framing work. All cuts will be true and all joints will be tight and snug. Contractor will be responsible for all permits and coordinate the necessary inspections with the local agencies. Final grading around the building will be done to insure that rainwater drains away from the footing. END OF SECTION Barrett Kays&Associates, P. A. 65 h:\clients\ncpark\9409004\reports\mitchel I.doc SECTION 02743 SEPTIC TANK AND DOSING TANK PART 1 GENERAL 1.01 SECTION INCLUDES A. Furnishing and installing a 3000 Gallon septic tank to replace the existing septic tank. 1.02 SUBMITTALS B. Five sets of shop drawings for the septic tank. PART 2 PRODUCTS 2.01 PRECAST CONCRETE SEPTIC TANK A. It shall be approved by the Division of Environmental Health of NCDEHNR and shall have the approval number imprinted on the delivered tank. Openings or inserts shall be cast in during manufacture. Concrete shall have a minimum compressive strength of 4000 psi @ 28 days. PART 3 EXECUTION 3.01 INSTALLATION A. All connections of tank components and tank and pipe components shall be made waterproof by use of rubber joints or mastic joint sealer and concrete mortar on both sides of all joints on the tanks and manholes. B. After installation and sealing the Contractor shall perform an infiltration test on septic tank and said tank shall have no great infiltration than one hundred and fifty (150) gallons over a twenty-four (24) hour period. C. Excavation for the septic tank shall be extended three (3) feet horizontally beyond the maximum outside dimensions of the tank and eight (8) inches vertically below the proposed bottom of the tank. Stockpiling of excavated material shall be coordinated so as not to interfere with the supplier's placement of tanks. D. Prior to placement of tanks, an eight (8) inch leveling coarse of Number 57 washed stone shall be placed in the excavation and shaped to accommodate tanks at the design elevations. Barrett Kays&Associates, P.A. 66 h:\clients\ncpark\9409004\reports\mitchel I.doc E. After making all connections and ensuring watertightness by infiltration testing, backfilling and tamping operations shall take place in layers not to exceed eight (8) inches in depth so as to provide a thoroughly compacted backfill around and above each tank. END OF SECTION • Barrett Kays&Associates, P. A. 67 h:1ci ients\ncpark\9409004\reports\mitchell.doc SECTION 02744 CHLORINATION EQUIPMENT PART 1 GENERAL 1.01 SECTION INCLUDES A. Furnishing and installing chlorination equipment to disinfect the wastewater at the pump tank. PART 2 PRODUCTS 2.01 MATERIALS A. The chlorination equipment shall be a tablet fed chlorinator unit that will accommodate daily flows of at least 1800 gallons per day. The unit shall be capable of storing a minimum 30 day supply of chlorine tablets. The unit shall be made of corrosion resistant materials, and shall be of a size installable in the pump tank. The inlet connection shall be 4" in diameter. Electrical power will not be required for this unit. The unit must be capable of varying the concentration of chlorine in direct proportion to the flow from the facility. Contractor shall submit shop drawings or catalogue cut sheets to the Engineer prior to ordering unit. PART 3 EXECUTION 3.01 INSTALLATION A. The Contractor shall install the tablet fed chlorinator unit inside the pump tank. The chlorinator will be connected to the 4" filter drain line as shown in the plans. Contractor shall be build a concrete pier in the pump tank to support the tablet fed chlorinator unit. The tablet fed chlorinator unit shall be bolted to the pier with corrosion resistant hardware directly below the access cover of the pump tank. Contractor will field verify the elevations for the tablet fed chlorinator unit with the Engineer prior to final installation. END OF SECTION Barrett Kays&Associates, P. A. 68 h:\clients\ncpark\9409004\reports\mitchell.doc SECTION 02745 DRIP IRRIGATION EQUIPMENT PART 1 GENERAL 1.01 SECTION INCLUDES A. Furnishing and installing drip irrigation lines and equipment. PART 2 PRODUCTS 2.01 MATERIALS A. Drip irrigation lines shall be flexible 1/2 inch diameter polyethylene with turbulent flow labyrinth emitters uniformly spaced at 24 inches with each emitter rated at 0.61 gph. The emitter tubing shall be manufactured by NETAFIM Irrigation, Inc., 548 N. Douglas Avenue, Altamonte Springs, Florida 32714, telephone (407) 758-6352. B. Solenoid valves: Electrically activated sub-field control valves shall be PVC. Suitable for 24 volt AC operation. Throttling adjustment and flushing switch shall be integrated for flow and pressure control. Valves shall be Galcon Model manufactured by Dorot, Inc. or equal. PART 3 EXECUTION 3.01 PREPARATION A. Thin and remove trees (above ground portion only) that are less than four (4) inches in diameter. Remove cut trees and properly dispose of off-site. Do not disturb or remove leaf litter. No heavy equipment shall be brought onto the drip irrigation field. After clearing is completed, the Contractor shall contact the Designer for a site inspection. The Contractor shall then stake the location of the dripper lines as shown on the plans in the presence of the Engineer and adjustments in alignment of individual dripper lines will be made as necessary based on actual field conditions and major tree location. 3.02 INSTALLATION A. The Contractor shall install the distribution manifolds and the connections and adapters for the dripper lines. The dripper lines will then be placed in alignment on the ground surface in accordance with the details on the plans. The Contractor shall also install the solenoid valves in the locations shown on the plans and the air release valves. Barrett Kays&Associates, P. A. 69 h:\clients\ncpark\9409004\reports\mitchell.doc B. The Contractor shall exercise extreme care during installation of the dripper lines to avoid disturbance of the ground surface over drip irrigation fields. Disturbed areas shall be returned to a"natural" condition immediately. END OF SECTION Barrett Kays& Associates, P. A. 70 h:\clients\ncpark\9409004\reports\mitchel I.doc SECTION 02832 AGRICULTURAL FENCING PART 1 GENERAL 1.01 Agricultural fencing is a bid alternate for securing the disposal field. This is Alternate # 4. PART 2 PRODUCTS 2.01 The fencing fabric shall be 2" x 4" welded wire grid and be 8' in height. It shall be a galvanized material and be 12.5 gauge or larger. 2.02 All corner posts and gate posts shall be 6"x 6" x 12' pressure treated wood. Treated lumber shall meet the requirements of the American Wood Preserves Assocation (AWPA). The wood should be treated with chromated copper arsenate as produced by Wolman, Osmose, or approved equal which meets the requirements of AWPA. The line post shall be 4" x 4" x 10' treated wood 10' x 4" x 4" will be used as braces for the corner and gate post. The gate will be framed of treated 2" x 4" and be 3' x 6' and covered with the welded wire and secured with a latch and pad lock. PART 3 EXECUTION 3.01 Install all corner, gate and line post as shown on site plans. Post shall be buried three feet in the ground. Hold bottom shall be filled with 4" of#57 stone prior to setting post. Backfill will be tamped in 6" lifts and the tope foot will be filled with concrete. Post shall be placed on 8' centers. All posts will be plumb prior to stretching the fencing fabric. 3.02 Fabric will be installed 2" above finished ground. Fabric will be pulled taut and secured to the posts with 1 1/2 " U shaped galvanized staples. END OF SECTION Barrett Kays& Associates, P. A. 71 h:\clients\ncpark\9409004\reports\mitchell.doc SECTION 02930 SEEDING PART1 GENERAL 1.01 SECTION INCLUDES A. Seeding of Disturbed Areas. 1.02 REFERENCES A. North Carolina Seed Law B. North Carolina Fertilizer Laws 1.03 ALL DISTURBED AREAS SHALL BE SEEDED AS PER THIS SPECIFICATION PART 2 PRODUCTS 2.01 MATERIALS A. Fertilizer shall be of 1-1-1 ratio such as 10-10-10 commercial fertilizer and shall conform to State Fertilizer Laws. It shall be uniform in composition, dry, and free flowing. It will be deliver to the site in original unopened containers, each bearing the manufacturer's guaranteed analysis. B. Seed must meet the requirements of North Carolina Seed Law and be labeled to certify that they have been tested by a state or commercial seed testing laboratory not more than six months prior to date of planting. Seed containing prohibited noxious weed seed or amounts of restricted noxious wee greater than allowed by the rules, regulations, definition and standards of the North Carolina Seed Law as adopted by the North Carolina Board of Agriculture in effect at the time of sampling shall not be acceptable. All seed will be subject to testing by an authorized representative of the North Carolina Department of Agriculture. Seed shall not contain, singly or collectively, more than 5% of other crop seed. C. Mulch shall conform to the specifications as follows: Barrett Kays&Associates, P. A. 72 h:\clients\ncpark\9409004\reports\mitchell.doc 1. Grain Straw and Tame Hay--mulches shall contain no more than a minimum of grain or foreign seed and be free from an excessive amount of restricted noxious weeds as defined by the North Carolina Board of Agriculture at the time of use of the mulch; also, there shall be compliance with all applicable state and federal domestic plant quarantines. Must be air dry, threshed and free of clumps. Straw or hay mulch cut with a rotary type cutter will not be acceptable. 2. Jute Matting--shall be of a uniform open plain weave of single jute yard, 48" in width plus or minus 1". The yarn shall be of a loosely twisted construction and shall not vary in thickness by more than one-half its normal diameter. There shall be 78 warp ends, plus or minus 2, per width of the matting; 41 weft ends, plus or minus 1, per linear yard; and the weight shall average 1.22 pounds per linear yard of the matting with tolerance of plus or minus 5 percent. PART 3 EXECUTION 3.01 PREPARATION A. Rip or till all areas to be seeded to a depth of five inches. When adverse conditions are encountered due to rocky surfaces or other soil conditions, the engineer may direct or permit modification to be made, in the depth of ripping. Ripping or tillage tools must not be spaced more than 12 inches apart. All land preparation must be done across the slope. B. Apply fertilizer at a rate of 1000 lbs./acre and 20% super phosphate at a rate of 500 lbs./acre, and uniformly mix into the top three inches of the soil. Spreader truck will not be approved for use on slopes over 10% C. Complete land preparation by smoothing the seedbed with a tandem disk, spike- tooth harrow, or other equipment approved by the Engineer. 3.02 SEEDING A. Shoulders, side ditches, slopes (max 3:1) Aug 15-Nov 1 Tall Fescue 150 lbs./acre Nov 1- Mar 1 Tall Fescue and 150 lbs./acre Abruzza Rye 25 lbs./acre Mar 1-Apr 15 Tall Fescue 150 lbs./acre Apr 15-Jun 30 Hulled Common Bermudagrass 30 lbs./acre Jul 1-Aug 15 Tall Fescue and 150 lbs./acre ***Browntop Millet 35 lbs./acre *** or Sorghum-Sudan Hybrids 30 lbs./acre .Barrett Kays&Associates, P. A. 73 h:\clients\ncpark\9409004\reports\mitchell.doc Slopes (3:1 to 2:1) Mar 1-Jun 1 Sericea Lespedeza (scarified) 50 lbs./acre (Mar 1-Apr 15) Add Tall Fescue 120 lbs./acre (Mar 1-Jun 30) Or Add Weeping Lovegrass 10 lbs./acre (Mar 1-Jun 30) Or Add Hulled Common Bermudagrass 25 lbs./acre Jun 1-Sep 1 ***Tall Fescue and 120 lbs./acre ***Browntop Milled 35 lbs./acre ***Or Sorghum Sudan Hybrids 30 lbs./acre Sep 1-Mar 1 Sericea Lespediza(unhulled-unscarified) 70 lbs./acre and Tall Fescue 120 lbs./acre (Nov 1-Mar 1) Add Abruzzi Rye 25 lbs./acre ***Temporary--Reseed according to optimum season for desired permanent vegetation. Do not allow temporary cover to grow 12" in height before mowing, otherwise fescue may be shaded out. B. Consult Conservation Engineer or Soil Conservation Service for additional information concerning other alternative for vegetation of denuded areas. The above vegetation rates are those which do well under local conditions; other seeding rate combinations are possible. Consult the Erosion and Sediment Control Planning and Design Manual to determine seed types for the Mountain Region. Section 6.1 and 6.2 should be reviewed to determine the appropriate seeding mixtures for temporary and permanent measure. C. Seed shall be sowed only after the prepared seedbed, to which lime and fertilizer have been added as specified above, have been thoroughly settled by rainfall or artificial watering. Immediately before any seed is to be sown, the ground surface shall be scarified as necessary to a depth of one inch and shall be raked until the surface is smooth, friable, and of uniformly fine texture. The areas shall be seeded evenly with a mechanical spreader using the seed/rate combination herein before specified and lightly raked. 3.03 MULCHING A. Gravel road ditch shall be lined with jute matting. B. All other areas shall be covered with grain straw unless otherwise noted on the plan. The rate of application of grain straw shall be at least two tons per acre. It is essential that distribution of the mulch be uniform. C. Where a delay in the establishment of permanent vegetation is desirable due to adverse weather or seeding conditions, a temporary mulch cover will be required by the Engineer. Barrett Kays&Associates, P. A. 74 h:\clients\ncpark\9409004\reports\mitchell.doc D. Tie-down mulch by uniformly spraying emulsified asphalt at a rate of 300 gallons per acre. END OF SECTION Barrett Kays&Associates, P. A. 75 h:\clients\ncpark\9409004\reports\mitchell.doc FORM OF PROPOSAL SECTION 305 FORM OF PROPOSAL Water & Sewer Repairs at Mt. Mitchell State Park Contract: North Carolina DEHNR, Div. of Parks & Recreation Bidder: Budget I.D. 4393164016A Date: The undersigned, as bidder, hereby declares that the only person or persons interested in this proposal as principal or principals is or are named herein and that no other person than herein mentioned has any interest in this proposal or in the contract to be entered into; that this proposal is made without connection with any other person, company or parties making a bid or proposal; and that it is in all respects fair and in good faith without collusion or fraud. The bidder further declares that he has examined the site of the work and the contract documents relative thereto, and has read all special provisions furnished prior to the opening of bids; that he has satisfied himself relative to the work to be performed. The Bidder proposes and agrees if this proposal is accepted to contract with the State of North Carolina, through the Division of Parks and Recreation in the form of contract specified, to furnish all necessary materials, equipment, machinery, tools, apparatus, means of transportation and labor necessary to complete the construction of Water and Sewer Repairs at Mt. Mitchell State Park in full in complete accordance with the plans, specifications and contract documents, to the full and entire satisfaction of the State of North Carolina, Division of Parks and Recreation, AND Barrett Kays and Associates with a definite understanding that no money will be allowed for extra work except as set forth in the General Conditions and the contract documents, for the sum of: GENERAL CONSTRUCTION CONTRACT: Base Bid: Dollars ($ ) The General contractor shall act as project expediter for all prime contracts. See Supplementary General Conditions. (Add or delete alternate or unit prices as appropriate to the project.) ALTERNATES Should any of the alternates as described in the contract documents be accepted, the amount written below shall be the amount to be "added to" or "deducted from" the base bid. (Strike out "Add" or "Deduct" as appropriate.) GENERAL CONTRACT: Alternate No. 1 (Add) Replace Existing Septic Tank and Dosing Tank Dollars ($ ) Barrett Kays&Associates, P.A. h:\clients\ncpark\9409004\reports\m_302.doc Alternate No. 2 (Add) Replace Existing San. Sewer Line Dollars($ ) Alternate No. 3 (Add) Demolish and Bury Reservoir Dollars($ ) Alternate No.4 (Add) Install Agricultural Fence Dollars($ ) UNIT PRICES Unit prices quoted and accepted shall apply throughout the life of the contract, except as otherwise specifically noted. Unit prices shall be applied, as appropriate, to compute the total value of changes in the scope of the work all in accordance with the contract documents. GENERAL CONTRACT: No. 1 Rock Removal 1 cy Unit Price ($ ) Barrett Kays&Associates, P.A. h:\clients\ncpark\9409004\reports\m_302.doc The bidder further proposes and agrees hereby to commence work under this contract on a date to be specified in a written order of the designer and shall fully complete all work thereunder within 120 consecutive calendar days from and including said date. Applicable liquidated damages shall be stated in the Supplementary General Conditions. The undersigned further agrees that in the case of failure on his part to execute the said contract and the bond within ten (10) consecutive calendar days after written notice being given of the award of contract, the certified check, cash or bid bond accompanying this bid shall be paid into the funds of the owner's account set aside for the project, as liquidated damages for such failure; otherwise the certified check, cash or bid bond accompanying this proposal shall be returned to the undersigned. Attach certified check, cash or bid bond to this proposal. Respectfully submitted this day of 19 (Name of firm or corporation making bid) WITNESS: By: Title: (Proprietorship or Partnership) (Owner/Partner/Pres./V.Pres) Address: License No. Federal I.D. No. ATTEST: By: Title: (Corp. Sec. or Asst. Sec. only) (CORPORATE SEAL) Addendum received and used in computing bid: Addendum No. 1 Addendum No. 3 Addendum No. 2 Addendum No. 4 Barrett Kays&Associates, P.A. h:\clients\ncpark\9409004\reports\m_302.doc APPENDICES A-D APPENDIX A MBE CONTRACT PROVISIONS (CONSTRUCTION) APPLICATION: The requirements of the Guidelines For Recruitment And Selection Of Minority Businesses For Participation In State Construction Contracts are hereby made a part of these contract documents . These requirements shall apply to all contractors regardless of ownership . Copies of the MBE Plan may be obtained from the Department of Administration, State Construction Office, 301 N. Wilmington Street, Suite 450 , Raleigh, North Carolina 27601-2827 . MBE SUBCONTRACT GOALS : The goals for participation by Minority firms as subcontractors on this project have been set at 10% . The Bidder should provide documented proof in the form of Appendix B, MBE UTILIZATION COMMITMENT, that these goals have been met or exceeded; OR Provide Appendix B, MBE UTILIZATION COMMITMENT, identifying the amount of MBE participation; and prior to award, upon request, show evidence of good faith effort made prior to the bid opening to meet these goals ; OR Provide Appendix D, CERTIFICATION REGARDING SUBCONTRACTING PRACTICES, and upon request, information sufficient for the State to determine that the Bidder does not customarily subcontract work on this type project. It is desired that the above information be submitted with the bid. Although bids may be read without the form attached, no consideration will be given to any bid relative to award of contract until the required forms and supporting data are in the hands of the Owner. MINIMUM COMPLIANCE REQUIREMENTS : If the MBE subcontract goals are not achieved, the Bidder shall provide the following documentation to the State. 1. MBE Utilization Commitment (Appendix B) . 2 . Documentation of the Bidder' s good faith efforts to meet the goals set forth in these provisions (upon request prior to award) . This documentation shall include the following evidence: A. Copies of solicitations for quotes to at least three (3) MBE firms from the source list provided. by the State for each subcontract to be let under this contract (if 3 or more firms are shown on the source list) . Each solicitation shall contain a specific description of the work to be subcontracted, location where bid documents can be reviewed, representative of the Prime Bidder to contact, and location, date and time when quotes must be received. B. Copies of quotes or responses received from each firm responding to the solicitation. C. A telephone log of follow-up calls to each firm sent a solicitation. D. For subcontracts where an MBE firm is not considered to be the lowest responsible sub-bidder, copies of quotes received from all firms submitting quotes for that particular subcontract. E. Documentation of any contacts, correspondence or conversation with MBE firms made in an attempt to meet the goals. NOTE: If the Bidder provides sufficient evidence (listed in - #1) that the goals stated in the contract documents have been met, or awards all subcontracts to MBE's, the documentation listed in #2 will not be required. Upon being named apparent low bidder, the Bidder shall provide a Letter of Intent (Appendix C) , complete with a description of the scope of services and dollar value from each MBE firm proposed for use in this contract. Failure to provide the documentation as listed in these provisions may result in rejection of the bid and award to the next lowest responsible and responsive bidder. The State reserves the right- to waive any irregularities in MBE documentation if they can be resolved prior to award of the contract, and the State finds it to be in its best interest to do so and award the contract. PROGRAM COMPLIANCE REQUIREMENTS: All written statements, certifications or intentions made by the Bidder shall become a part of the agreement between the Contractor and the State for performance of this contract. Failure to comply with any of these statements, certifications or intentions, or with the MBE Guidelines shall constitute a breach of the contract. A finding by the State that any information submitted either prior to award of the contract or during the performance of the contract is inaccurate, false or incomplete, shall also constitute a breach of the contract. Any • such breach may result in termination of the contract in accordance with the termination provisions contained in the contract. It shall be solely at the option of the State whether to terminate the contract for breach. In determining whether a contractor has made good faith efforts, the State will evaluate all efforts made by the Contractor and will determine compliance in regard to quantity, intensity, and results of these efforts . The State may take into account any or all of the following : 1 . Whether the Bidder attended any prebid meetings that were scheduled by the State; 2 . Whether the Bidder advertised in general circulation, trade association, and minority-focus media concerning the subcontracting opportunities ; 3 . Whether the Bidder provided written notice to a minimum of three MBE's for each portion of the work subcontracted, that their interest in the contract was being solicited in sufficient time to allow the MBE's to participate effectively; 4 . Whether the Bidder followed up initial solicitations of interest by contacting MBE's to determine with certainty whether the MBE's were interested; 5 . Whether the Bidder selected portions of the work to be performed by MBE's in order to increase the likelihood of meeting MBE goals (including, where appropriate, breaking down contracts into economically feasible units to facilitate MBE participation) ; 6 . Whether the Bidder provided interested MBE's with adequate information about the plans, specifications and requirements of the contract; 7 . Whether the Bidder negotiated in good faith with interested MBE's, not rejecting MBE's as unqualified without sound reasons based on a thorough investigation of their capabilities . (SCO Rev. 9-9-91) APPENDIX B OR D MUST BE SUBMITTED APPENDIX B MBE UTILIZATION COMMITMENT We, , do certify that on the (Bidder) (Project Name) (Project Number) (Dollar Amount of Bid) will expend a minimum of % of the total dollar amount of the contract with minority business enterprises. MBE's will be employed as construction subcontractors, vendors, suppliers or providers of professional services. Such work will be subcontracted to the following firms listed below. If the bidder intends to subcontract, this form must be completed regardless of the amount or lack of participation attained. Name and Phone Indicate Description Number of Firm MBE of Work Dollar Value The undersigned will enter into a formal agreement with Minority Firms for work listed in this schedule conditional upon execution of a contract with the State of North Carolina. Failure to fulfill this commitment may constitute a breach of the contract. The undersigned hereby certifies that he or she has read the tezms of this commitment and is authorized to bind the bidder to the commitment herein set forth. Date: (Name of Authorized Officer) Signature: Title: (SCO Rev. 9-9-91) • APPENDIX C LETTER OF INTENT TO PERFORM AS A SUBCONTRACTOR OR PROVIDE MATERIALS OR SERVICES SUBJECT: (Project Name) TO: (Name of Prime Bidder) The undersigned intends to perform work in connection with the above project as a Minority Business Enterprise. The MBE status of the undersigned is certified by the State of North Carolina. The undersigned is prepared to perform the following described work or provide materials or services in connection with the above project (specify in detail particular work items, materials or services to be performed or provided) : at the following price: You have projected the following commencement date for such work, and the undersigned is projecting completion of such work as follows : Projected Projected Commencement Completion Items Date Date Subcontracting at any tier must be reported and is subject to all MBE compliance requirements. This form shall be used for MBE subcontracting at any level . Date: (Name of Minority Contractor) By: (SCO Rev. 9-9-91) • APPENDIX B OR D MUST BE SUBMITTED APPENDIX D CERTIFICATION REGARDING SUBCONTRACTING PRACTICES We, hereby certify that it is (Name of Bidder) our intent to perform 100% of the work required for the contract. (Name of Project) In making this certification, the Bidder states the following: 1 . That the Bidder does not customarily subcontract elements of this type project, and normally performs and has the capability to perform and will perform all elements of the work on this project with his/her own current work forces ; and 2 . That the Bidder agrees to submit the following information after bid and before the award of the contract: * List the scope of services involved in this project. * List previous projects of this type that Bidder has performed with his/her forces. * Payrolls from the above-mentioned jobs which illustrate Bidder's employees' job classifications needed to perform the elements of the work on the Project or a breakdown of Bidder's entire work force which illustrates the number of employees in each job classification. * Name and phone number of the Field Supervisors for these jobs. * List of equipment Bidder's firm owns that has been used on previous projects. * Copies of lease agreement for equipment that was leased. The Bidder agrees to provide any additional information requested for the statement contained in paragraph number 1 above. The undersigned hereby certifies that he or she has read this certification and is authorized to bind the Bidder to the commitments herein contained. Date: (Name of Authorized Officer) Signature: Title: (SCO Rev. 9-9-91) FORM OF BID BOND SECTION 304 FORM OF BID BOND KNOW ALL MEN BY THESE PRESENTS THAT as principal, and , as surety, who is duly licensed to act as surety in North Carolina, are held and firmly bound unto the State of North Carolina through as obligee, in the penal sum of DOLLARS, lawful money of the United States of America, for the payment of which, well and truly to be made, we bind ourselves, our heirs, executors, administrators, successors and assigns, jointly and severally, firmly by these presents. Signed, sealed and dated this day of 19_ . WHEREAS, the said principal is herewith submitting proposal for and the principal desires to file this bid bond in lieu of making the cash deposit as required by G.S. 143-129. NOW, THEREFORE, THE CONDITION OF THE ABOVE OBLIGATION is such, that if the principal shall be awarded the contract for which the bid is submitted and shall execute the contract and give bond for the faithful performance thereof within ten days after the award of same to the principal, then this obligation shall be null and void; but if the principal fails to so execute such contract and give performance bond as required by G.S. 143-129, the surety shall, upon demand, forthwith pay to the obligee the amount set forth in the first paragraph hereof Provided further, that the bid may be withdrawn as provided by G.S. 143-129.1 (SEAL) (SEAL) (SEAL) (SEAL) (SEAL) OC-7 /Sept. 86 FORM OF CONSTRUCTION CONTRACT SECTION 306 FORM OF CONSTRUCTION CONTRACT (ALL PRIME CONTRACTS) THIS AGREEMENT, made the day of in the year of 19 by and between hereinafter called the Party of the First Part and the State of North Carolina; through the hereinafter called the Party of the Second Part. WITNESSETH: That the Party of the First Part and the Party of the Second Part for the consideration herein named agree as follows: 1. Scope of Work: The Party of the First Part shall furnish and deliver all of the materials, and perform all of the work in the manner and form as provided by the following enumerated plans, specifications and documents, which are attached hereto and made a part thereof as if fully contained herein: advertisement; Instructions to Bidders; General Conditions; Supplementary General Conditions; specifications; accepted proposal; contract; performance bond; payment bond; power of attorney; workmen's compensation; public liability; property damage and builder's risk insurance certificates; approval of attorney general; certificate by the Office of State Budget and Management, and drawings, titled: Consisting of the following sheets: Dated: and the following addenda: Addendum No. Dated Addendum No. Dated Addendum No. Dated Addendum No. Dated Addendum No. Dated Addendum No. Dated Addendum No. Dated Addendum No. Dated 2. That the Party of the First Part shall commence work to be performed under this agreement on a date to be specified in a written order of the Party of the Second Part and shall fully complete all work hereunder within consecutive calendar days from said date. For each day in excess thereof, liquidated damages shall be as stated in Supplementary General Conditions. The Party of the First Part, as one of the considerations for the awarding of this contract, has furnished to the Party of the Second Part a construction schedule setting forth planned progress of the project broken down by the various divisions or part of the work and by calendar days. If the Party of the First Part fails to begin the work under the contract within the time specified, or the progress of the work is not maintained on schedule, or the work is not completed within the time above specified, or fails to perform the work with sufficient workmen and equipment or with sufficient materials to ensure the prompt completion of said work, or shall perform the work unsuitably or shall discontinue the prosecution of the work, or if the Party of the First Part shall become insolvent or be declared bankrupt or commit any act of bankruptcy or insolvency, or allow any final judgment to stand against him unsatisfied for a period of forty-eight (48) hours, or shall make an assignment for the benefit of creditors, or for any other cause whatsoever shall not carry on the work in an acceptable manner, the Party of the Second Part may give notice in writing, sent by certified mail, return receipt requested, to the Party of the First Part and his surety of such delay, neglect or default, specifying the same, and if the Party of the First Part within a period of fifteen (15) days after such notice shall not proceed in accordance therewith, then the Party of the Second Part shall, declare this contract in default, and, thereupon, the surety shall promptly take over the work and complete the performance of this contract in the manner and within the time frame specified. In the event the surety shall fail to take over the work to be done under this contract within fifteen (15) days after being so notified and notify the Party of the Second Part in writing, sent by certified mail, return receipt requested, that he is taking the same over and stating that he will diligently pursue and complete the same, the Party of the Second Part shall have full power and authority, without violating the contract, to take the prosecution of the work out of the hands of said Party of the First Part, to appropriate or use any or all contract materials and equipment on the grounds as may be suitable and acceptable and may enter into an agreement, either by public letting or negotiation, for the completion of said contract according to the terms and provisions thereof or use such other methods as in his opinion shall be required for the completion of said contract in an acceptable manner. All costs and charges incurred by the Party of the Second Part, together with the costs of completing the work under contract, shall be deducted from any monies due or which may become due said Party of the First Part and surety. In case the expense so incurred by the Party of the Second Part shall be less than the sum which would have been payable under the contract, if it had been completed by said Party of the First Part, then the said Party of the First Part and surety shall be entitled to receive the difference, but in case such expense shall exceed the sum which would have been payable under the contract, then the Party of the First Part and the surety shall be liable and shall pay to the Party of the Second Part the amount of said excess. 3. The Party of the Second Part hereby agrees to pay to the Party of the First Part for the faithful performance of this agreement, subject to additions and deductions as provided in the specifications or proposal, in lawful money of the United States as follows: ($ ). Summary of Contract Award: 4. On or before the 20th day of each calendar month, the Party of the Second Part shall make payments to the Party of the First Part on the basis of a duly certified and approved estimate of work performed during the preceding calendar month by the First Party, less five percent (5%) of the amount of such estimate which is to be retained by the Second Party until all work has been performed strictly in accordance with this agreement and until such work has been accepted by the Second Party. The Second Party may elect to waive retainage requirements after 50 percent of the work has been satisfactorily completed on schedule as referred to in Article 31 of the General Conditions. 5. Upon submission by the First Party of evidence satisfactory to the Second Party that all payrolls, material bills and other costs incurred by the First Party in connection with the construction of the work have been paid in full, final payment on account of this agreement shall be made within thirty (30) days after the completion by the First Party of all work covered by this agreement and the acceptance of such work by the Second Party. 6. It is further mutually agreed between the parties hereto that if at any time after the execution of this agreement and the surety bonds hereto attached for its faithful performance, the Second Party shall deem the surety or sureties upon such bonds to be unsatisfactory, or if, for any reason, such bonds cease to be adequate to cover the performance of the work, the First Party shall, at its expense, within five (5) days after the receipt of notice from the Second Party so to do, furnish an additional bond or bonds in such form and amount, and with such surety or sureties as shall be satisfactory to the Second Party. In such event no further payment to the First Party shall be deemed to be due under this agreement until such new or additional security for the faithful performance of the work shall be furnished in manner and form satisfactory to the Second Party. IN WITNESS WHEREOF, the Parties hereto have executed this agreement on the day and date first above written in counterparts, each of which shall without proof or accounting for other counterparts, be deemed an original contract. Witness: Contractor:(Trade or Corporate Name) By: (Proprietorship or Partnership) Attest: (Corporation) Title: (Owner, Partner, or Corp. Pres. or Vice Pres. only) By: • Title: (Corp. Sec. or Asst. Sec. only) (CORPORATE SEAL) The State of North Carolina through Witness: (Agency, Department or Institution) By: Title: FORM OF PERFORMANCE BOND Form OC-13 SECTION 307 FORM OF PERFORMANCE BOND Date of Contract: Date of Execution: Name of Principal: (Contractor) Name of Surety: Name of Contracting Body: Amount of Bond: Project: KNOW ALL MEN BY THESE PRESENTS, that we, the principal and surety above named, are held and firmly bound unto the above named contracting body, hereinafter called the contracting body, in the penal sum of the amount stated above for the payment of which sum well and truly to be made, we bind, ourselves, our heirs, executors, administrators, and successors,jointly and severally, firmly by these presents. THE CONDITION OF THIS OBLIGATION IS SUCH, that whereas the principal entered into a certain contract with the contracting body, identified as shown above and hereto • attached: NOW, THEREFORE, if the principal shall well and truly perform and fulfill all the undertakings, covenants, terms, conditions and agreements of said contract during the original term of said contract and any extensions thereof that may be granted by the contracting body, with or without notice to the surety, and during the life of any guaranty required under the contract, and shall also well and truly perform and fulfill all the undertakings, covenants, terms, conditions and agreements of any and all duly authorized modifications of said contract that may hereafter be made, notice of which modifications to the surety being hereby waived, then, this obligation to be void; otherwise to remain in full force and virtue. IN WITNESS WHEREOF, the above-bounden parties have executed this instrument under their several seals on the date indicated above, the name and corporate seal of each corporate party being hereto affixed and these presents duly signed by its undersigned representative, pursuant to authority of its governing body. Executed in counterparts. Witness: Contractor: (Trade or Corporate Name) By: (Proprietorship or Partnership) Attest: (Corporation) Title: (Owner, Partner, or Corp. Pres. or Vice Pres. only) By: Title: (Corp. Sec. or Asst. Sec. only) (Corporate Seal) (Surety Company) Witness: By: Title: (Attorney in Fact) Countersigned: (Surety Corporate Seal) (N.C. Licensed Resident Agent) Name and Address-Surety Agency Surety Company Name and N.C. Regional or Branch Office Address ' FORM OF PAYMENT BOND Foiin OC-10 SECTION 308 FORM OF PAYMENT BOND Date of Contract: Date of Execution: Name of Principal: (Contractor) Name of Surety: Name of Contracting Body: Amount of Bond: Project: KNOW ALL MEN BY THESE PRESENTS, that we, the principal and surety above named, are held and firmly bound unto the above named contracting body, hereinafter called the contracting body, in the penal sum of the amount stated above for the payment of which sum well and truly to be made, we bind ourselves, our heirs, executors, administrators, and successors,jointly and severally, firmly by these presents. THE CONDITION OF THIS OBLIGATION IS SUCH, that whereas the principal entered into a certain contract with the contracting body identified as shown above and hereto attached: • NOW, THEREFORE, if the principal shall promptly make payment to all persons supplying labor/material in the prosecution of the work provided for in said contract, and any and all duly authorized modifications of said contract that may hereafter be made, notice of which modifications to the surety being hereby waived, then this obligation to be void; otherwise to remain in full force and virtue. IN WITNESS WHEREOF, the above-bounden parties have executed this instrument under their several seals on the date indicated above, the name and corporate seal of each corporate party being hereto affixed and these presents duly signed by its undersigned representative, pursuant to authority of its governing body. Executed in counterparts. Witness: Contractor: (Trade or Corporate Name) By: (Proprietorship or Partnership Attest: (Corporation) Title: (Owner, Partner, or Corp. Pres. or Vice Pres. only) By: Title: (Corp. Sec. or Asst. Sec. only) (Corporate Seal) (Surety Company) Witness: By: Title: (Attorney in Fact) Countersigned: (Surety Corporate Seal) (N.C. Licensed Resident Agent) Name and Address-Surety Agency Surety Company Name and N.C. Regional or Branch Office Address I SHEET FOR ATTACHING POWER OF ATTORNEY SHEET FOR ATTACHING POWER OF ATTORNEY . I I I SHEET FOR ATTACHING INSURANCE CERTIFICATES 1 SHEET FOR ATTACHING CERTIFICATE OF INSURANCE 1 1 FORM FOR APPROVAL OF THE ATTORNEY GENERAL AND THE OFFICE OF STATE BUDGET AND MANAGEMENT 1 • SECTION 309 APPROVAL OF THE ATTORNEY GENERAL , CERTIFICATION BY THE OFFICE OF STATE BUDGET AND MANAGEMENT Provision for the payment of money to fall due and payable by the under this agreement has been provided for by allocation made and is available for the purpose of carrying out this agreement. This day of 19 . • Signed Budget Officer July 2, 1996 DIVISION OF WATER QUALITY - GROUNDWATER SECTION D -c E I V i 51 July 2, 1996 JUL -� $ Groundwater Section tz.a.m.__2sh_,vill� onai Office MEMORANDUM To: Carolyn McCaskill Through: Bob Cheek (-1�� From: David Goodrich 72,-, Subject: North Carolina Division of Parks and Recreation Mount Mitchell State Park Drip Irrigation System Yancey County WQ0012363/GW96093 (Originally submitted as WQ0011580/GW95218) (Ray Cox: DEM SERG Review Engineer) The Groundwater Section has reviewed the subject permit application for the installation of a recirculating sand filter and surface applied drip irrigation system to provide effluent disposal from the existing septic tank/dosing tank onto a .44 acre area (see Figures 1, 2, and 3). This system will generate 1,800 GPD of wastewater. The intended application rate is 0.094 gallons per day per square foot, and this represents less than half of the application rate recommended by the soil scientist (0.2 gallons per day per square foot). The Groundwater Section recommends issuance of the permit with the following conditions. 1. Any groundwater monitoring, as deemed necessary by the Division, shall be provided. 2. The COMPLIANCE BOUNDARY for the disposal system is specified by regulations in 15A NCAC 2L, Groundwater Classifications and Standards. The Compliance Boundary is for the disposal system constructed after December 31, 1983 is established at either (1) 250 feet from the waste disposal area, or (2) 50 feet within the property boundary, whichever is closest to the waste disposal area. An exceedance of Groundwater Quality 1 Standards at or beyond the Compliance Boundary is subject to immediate remediation action in addition to the penalty provisions applicable under General Statute 143-215.6A(a)(1). In accordance with 15A NCAC 2L, a REVIEW BOUNDARY is established around the disposal systems midway between the Compliance Boundary and the perimeter of the waste disposal area. Any exceedance of standards at the Review Boundary shall require remediation action on the part of the permittee. If there are any questions please let me know. cc: Don Link Permit Files --NCDPRMTM-- 2 ..- --'' .-.'-'.-------'------------ •':---;---yli--- -yri 1--7NNIV T" ??'j"--- --%----------1__/' ' --=';_j_i?- 2: i i 'i ..v,\',,W :-'5,-,___... .,--rf•-r-i-:7-----(7- os. '- ". / 791/3CL..,‘______ )s;-_-_-55857 -\\,n,ie-___ --------..----- --__ -----//, ' I 7 c.---, ---,---/-/ ____, ,-.,-_./ z/' ;),);;,, 1 .-_-_.;.--:,_,.._-_-:':-.-_,..W\ •_.Li- c-t-t_.z..-...7, , .,--i,-48012„...----,,,1,':.'e.....•,---,---::---- „-:.---_-:-... 'N.„. -,---------4.-. .,.)a . tatr. 'il .• • ,,,,/./.5.-;-',1 •I .-- T) 1\\\.‘j -----TT- '\ $'''' ''''s-`• ___,'s '''-'----..-. 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'-r'e;, -\-: •••,-- ', ' ;' _,,-i ---.--,:.•.-:..-• -..-77--7---7/7•; -- •--- -- ii 7---5:----,•..C.,' 1' li ill'i ' f',41-,\4578.9---- ` ' ••'•\••,,i,,•' •- • • • ' a,•'•,i; \„____ 1, A igsr. ..,..3 /..,. _ 4.,,:),,, # 117.. 7 :q,---% \',':,'...,<,j ... '7,!_.., ,,„ f.•:-:----:, ( ...._2../ ' -\l'j''' -.. `-\,- 7‘ '(/7(."\•• ,:, . •• • , .:• \ •••''':'"(7'.(-/<,/ '' -. '1/4''// ///,'.•i••:1 -----'`'. ..,..,?\,'."-:-.. '‘'. '.--- ..-`,• ,, •f. ,' •--- __:,.1 ji,. ' -1---)'2,. .."7,-,T;N'\ ''.>-..,'.z.-7,,,r, r\,.,.. \..•.,.:.,:•........::::,':'s:\ • , .','•, '‘'',„.1.''.,..,''': l'1 ,...4*( ° .„7,#K7.---.,:)::::-.,----:::--,, 1, 7 .. Nt.,Cr. 35 11,--,,, 1(4041.-,: f.b.A. • .• 00---i -,-.7/ .-_--_X-/-j---------' "'' IX\\'' ''''''•\ •' •r' 2.\\\`' ks' -''''''llyfi. FIGURE 1 ;,/,..--,..‹......F.:,.6...‘,..\ ,,I,---,...,..._,......s, •i7,......-_, -,-.::....-. 1:;"\;-\-\ ( . ..."'\---;-:\"-)'-j - __,'.'''\-.1''‘' `... .•'`-')-'."...;:. •. N.C. DIV. PARICS & RECREATION , i ,/ - „.....) ' ''• "J.-\'-'/ \ -I 4 -, -,e-CrIli" j . ._. • 1/4...., • ! ;, „../ " ' .....;.........--"''''.%.... '•• ••••7%.-`';'2.--- " l' I t-l• ," ._L,7-i.--/ 1!!' " '' -„..;LI,-- , . ,:',',//.,.,'.. '. ' • --;" \---..,: i'\\•\ \(7!---!--- ..1,/ ,• • \', .V,••• ,••• \•;.. . ' . -* ,r.,... ii I ) ., ) . DRIP IRRIGATION SYSTEM .-. •. I 17'30' Jag; • • INTERIOR-GEOLO ICAL YANCEY COUNTY '382 1 N 5 WQ0012363/GW96093 cede. - 1 MILE SITE LOCATION MAP 1 ( . 1 I ) ECOO 7000 FEET 0 I 0 i)ia'' 2 000' 3 000 1 • 1 = / AP=ROK. PARK BOUNDARY- / _ / /- -. •L- J W N. - / ( MOUNT MITCHELL / ELE'/. 658� 1 PROPOSED UPPER \ WATER LINE •TANK I(/. 7 \ \ l 1 A \ �� •/• . l ( / •J '' ~ \ . . J l CB J 6P / / PROPOSED •• DRAIN FIELD / j �. /( DRAIN FIELD /// \ // . ( / \\ : PRWAOTERSLINE( ( 4 I . L05s'ER \ / / NK ) 1 1. \ \ i�a,, �� ) ' 1 4R- H�Lt6R /.,/" \I COIII Iss:.RY -AI / I / / APPROX. PARK BOUNDARY ) • ` . v-/MT. HALLBACK/1 - -, J ELEV. 6300 - - i arc,,le I , G 1 oe0' f OLIO'. FIGURE 2 Le C:0;,,ptl'u:,ce Bouhdarr N.C. DIV. PARKS & RECREATION b MOUNT MITCHELL STATE PARK DRIP IRRIGATION SYSTEM YANCEY COUNTY WQ0012363/GW96093 SITE BOUNDARY MAP • / -- - _-_,..-SEE NOTE ABOVE -- _._- - .. 5•, SUC lQN-EUNEB'- -.-_-- -_- - �_ _/�\ \ -- � ® "' a0O0-GAL.------'4"4f2-PVC-SR __ FILTER ReTYAI LINE.-- ' -���^ ''_���� -- �4I, 62D2..A,-.-.,.. swmv- •MP TAIJ �3E I DC 6200�_ 2-.�BEND'- /�� -- -- Sti- __ "6197.6 ____ .„. , %._'�'_-' �454BEN11S =- =-4_PY�SCW467-0R•AV -Y-1LNE—__--J-� - = = -- / G _rt'�- -- __< _.,' _� -_- ---- /- - - - - Jy . / �v<- _--_-- __ _ _Q -_r=3.1NAY-BCJtL-Rtlht+/drV;it-11f1L Pr-BQx _/L _ . /- /,.-�h-_,��=--silKL� As__ '� �\\_ �i —. — . cx�R�wNE�tL�- �� �/���i /,--� --/ �J-� - 6195-=_- -J\ _ ----- 7�� BEND ' // ' - - - J ��� _ - EX-DRAIN UNE 82 J�/��� _ // `i � _ _ �l E STING-SEP�T+E vJ t ��� / _ i/ �i�Et"� ���_`-- -'L _-- FJELII--- I Imo\ ,• _ -_-_Ex cg4--t5.$+--�-�'- �_---- —= _ SCE-XISTING�RCRE It LI -' — EX DRAIR�ItE-B •t �r\-- S} EXISTIN -S-E t.0 ------- --m-Rd,3=3=2X4.-57r-1 4' D A•9 Y ----- -\:// f _ - ' _ --` - --- FLLI�t INU PLL DERTJE4TFr�+ --_-- ---\ II/ J r`JE�- _ --.-�-- -R t,4E•WEC6ED ! -�_ `, _-'''.�--_ /ti " _' _ ��.�- -i-- DF1:-tANDLF ZC6ED-TO fdCJ3_LID— �_ -' _-'�`J _ - ram__ _ _ '_` --- /`//��� ---/,%_- _ __- El.K U.. ____________ -------------------- -`` __---- // l_ - / .- i - '- ------- ---------- _--- --- '�'---- �- ---- / /1 _ ¢-� _- --- t — f 14/ SCH'40 PVC-RETURN L-Mle_ ll ' _ `- ----------- --- -3'-SATE,W/p_1BL0_CIS-{A rt--#4)------------ J/ l� -- -----'---- 6-SSCR A4- -SUPPLY TINES--- _61 5 - — �— ,--f ,\- AIR ' ' ''' �� ____ 1 `- - ---_. \If � -Y— v _ . Br" '— -- _ I I\ '0._am -- C� ;�,,f;. '" '� ' ---'� --------- __-"pia I- _ I;..... , j-tI--- _=-% �' _ ----------------- =�a_ 6_-oRtP E4N€S=Cry oe__=cND---DIzlQ1-IVE _-__' -__I � p /-- _ .. _-ni - --- ----- --------------- -- -- I\\//r,,/' -_ / '_- ' - jJOIB 'MU:7E�y1LT#-BbX'- -=x am _ /l ' --/�__- __ _---- ---------- --- WASTE DISPOSAL AREA _ --- ,_---- 6' AGRICULTURAL FENCING (ALTERNATE #4) 0.44 ACRES WETTED AREA • Sc4.le O• yu' 86' 120' FIGURE 3 ., N.C. DIV. PARKS & RECREATION MOUNT MITCHELL STATE PARK DRIP IRRIGATION SYSTEM YANCEY COUNTY WQ0012363/GW96093 SITE DETAIL MAP • State of North Carolina Department of Environment, Health and Natural Resources / • • Division of Environmental Management r James B. Hunt, Jr., Governor Jonathan B. Howes, Secretary p I-I N A. Preston Howard, Jr., P.E., Director May 31, 1996 Alan Jeffreys,Park Engineer NCDEHNR-Division of Parks and Recreation 12700 Bayleaf Church Road Raleigh, North Carolina 27614 RE: Application Nos. WQ0012363, WQ0012364, and WQ0012365 Mt. Mitchell State Park, Duke Power State Park Campground and the Duke Power State Park Swimming Area _ : Additional Information Request T . InWastewater Treatment and Disposal Facilities Yancey and Iredell Counties, Dear Mr.Jeffreys: v\Lui,„ 619�fi The Permits and Engineering Unit has completed an initial review of thef ubjee .ap tcah,orf§.. previously stated in the attached correspondence to yourself(dated November 2_htL9r35; tuber 11, 1995, December 12, 1995) and in meetings with your design engineer(on Fe ary 27, 1995 and January 29, 1996), disinfection facilities will be required for all three (3) of the subject projects. At no time has it been spoken,written or implied that these projects could be issued without disinfection. Disinfection of domestic wastewater has always been required in facilities permitted by the pion-discharge group. Disinfection is required due to both public contact and the groundwater standard for total coliform(1/100 ml). This requirement(in addition to drip irrigation) is not specifically addressed in the .0200 Regulations. Drip irrigation is a relatively new technology and has not yet been addressed in the .0200 Regulations,however, the Division has been supportive of these type of projects if they meet the minimum criteria provided by the Division. Therefore, the following shall be addressed: All three(3) of these projects will be required to have disinfection facilities. Please submit a letter stating that disinfection will be provided for each of the specified projects. In addition,please submit detailed plans for each project showing the disinfection facilities and specifications of the type of disinfection to be utilized. Refer to the subject permit application number when providing the requested information. Please submit four (4) copies of all information to my attention at the address below. Also, please note that failure to provide this additional information on or before July 1, 1996 will subject your application to being returned as incomplete, in accordance with 15A NCAC 2H .0208. • P.O.Box 29535, Raleigh, North Carolina 27626-0535 Telephone 919-733-7015 FAX 919-733-2496 An Equal Opportunity Affirmative Action Employer 50% recycled/10%post-consumer paper • - r These comments are based on an initial review of the subject application packages. Additional comments may be forthcoming pending a complete technical review of the application packages. If you have any questions on this matter, please call myself or Mr. Ray Cox at (919) 733-5083 extension 547 or extension 549, respectively. Sincerely, /t. iichael D. Al((a(/ Environmental Engineer State Engineering Review Group cc: Asheville Regional Office,Water Quality • Asheville Regional Office, Groundwater Mooresville Regional Office, Water Quality Mooresville Regional Office, Groundwater Brian Wootton, Central Office, Groundwater Barrett Kays & Associates, P.A. Permit File WQ0012363, WQ0012364, and WQ0012365 r If T } • J,; • GROUNDWATER SECTION ASHEVILLE REGIONAL OFFICE • MEMORANDUM: TO : Cindy Boyles THROUGH: Don Link la . FROM: Kay Dechantg SUBJECT: Permit Review NC Div. Parks & Recreation, Mt . Mitchell State Park Drip Irrigation System WQ 0011580 GW 95218 Yancey County, North Carolina DATE: . October 20, 1995 Issuance of the subject permit is recommended. The site,. located at Mt . Mitchell State Park, has provisionally suitable soils , thus a surface applied drip irrigation system is proposed. Soils are shallow and there is no water table present above bedrock, so no groundwater monitoring is recommended. The site is limited as to options for a wastewater treatment system.. The proposed system is located in a remote area, with little impact to groundwater expected. Please call me at ( 704 ) 251-6208 if you have any questions . \lkd cc : Max Haner -, -F1'ROM 05.2E 96 09:58 P. 1 y• DIVISION OF ENVIRONMENTAL MANAGEMENT GROUNDWATER SECTION • /11.4 y 04) /791 lI t�I M E M O R.A N p. Q M • P-191NA 0 a- TO: Do., 4/4 o r k m y Y1 e n t ►s awl J2il eP �' l e ��" 1 wW a1i58d �;,sltein//e _ Regional Office ,pVUf e" • a pit•-14 FROM: ],i GcpA:GI c , iv b "iv- ii5 4..4 SU$JECT: Application for Permit, Renewal was �` q� l� 0� s~ A �`/' t`�'c br �^`s ` 'OA • Permit Amendment , c"'"'P �,, b w► .131}gi9� Q'S,. 1/ New Permit • • _.._ FacilityName: ._. /'A s. IL "¢G. 1 �/C- A�v n.K �'" ! ld ta hat•;��`e.� ANk .. . . ._ . ._. _ . County: ,,A,v c c / • • ' Type of Project: Dhi p 1aRUC,Alt;�✓ . APPLICABLE PERMIT NO.s: WQ OG/23 43 GW Wd ?* • DEH A to C UIC EPA . CtA • to The Groundwater Section has received a copy of the referenced permit application, a copy of. which should have; -been sent to your Regional Water Quality Supervisor - IF A 'COPY HAS NOT BEEN RECEIVED IN THE REGIONAL OFFICE, PLEASE .LET .ME KNOW. • . The Groundwater Section has received a cbpy of the referenced permit application. A copy of 'the application documents we received is attached. . • The Groundwater Section.has received a sµbsurface disposal..project . .. from the Div. Enb. Health's On-Site Wastewater Section. A copy of the application has been forwarded to DEH's Regional Soil Specialist, . Please coordinate your review with that Soil Specialist. . ' Please retriew the application materials for completeness. If you feel additional infpraiation is necessary, please let, me know no later than MA 3./ /14.4I A copy of any formal request for additional information wi`1l be 'forwarded to you. . If you do not need any additional information to complete your review, • please pr vide' your f iaai comments by j &a G,i S . If you request and/or c receive a iti§n l information. your final eocoa nts are due no later than ' 1e days a ter you receive the additional infformation. \TRANS.SHL . .• ... rf��• , i aS5c ***END*** 7 'Cl(o.2 SOC PRIORITY PROJECT: YES NO IF YES, SOC NUMBER TO: NON-DISCHARGE PERMITTING UNIT WATER QUALITY SECTION ATTENTION: THERESA NARTEA FROM: WANDA FRAZIER ASHEVILLE REGIONAL OFFICE DATE: AUGUST 10, 2001 NON-DISCHARGE STAFF REPORT AND RECOMMENDATION YANCEY COUNTY PERMIT NUMBER WQ12690 (FORMER PERMIT NUMBERS : WQ11580 RETURNED & WQ12363) 1 . Facility and Address : Mount Mitchell State Park Route 5 Box 700 Burnsville, N.C. 28714 2 . Date of Investigation: 3 . Report Prepared By: Wanda Frazier 4 . Persons Contacted "Rusty" Jack L. Bradley Park Superintendent and Telephone Number: 828-675-4611 5 . Directions to Site: Proposed site is located adjacent to NC Hwy 128 , approximately 4 . 5 miles north of its intersection with the Blue Ridge Pkwy on the Yancey County - Buncombe County Line . The proposed site is in Yancey County. 6 . Size (land available for expansion and upgrading) : adequate 7 . Topography (relationship to 100 year flood plain included) : not in flood plain - relatively steep slope Attached is a USGS map extract, indicating the facility site. USGS Quad No. D9SE USGS Quad Name Mt Mitchell, NC Latitude:35° 45 ' 35" Longitude: 82° 16 ' 20" 8 . Any buffer conflicts with location of nearest dwelling and water supply well? Yes No x If Yes, explain: -1- • 9 . Watershed Stream Basin Information: Beech Nursery Creek (Nearest Stream) a. Watershed Classification: WS-II b. River Basin and Subbasin No. : French Broad 040307 c. Distance to surface water from disposal system: est 1800 feet PART II - DESCRIPTION OF WASTES AND TREATMENT WORKS 1. a. Volume: 0 . 0018 MGD (Design Capacity) Residuals: n/a tons per year b. Types and quantities of industrial wastewater: none c. Pretreatment Program (POTWs only) : n/a in development approved should be required not needed 2 . Treatment Facilities : a. What is the current permitted capacity of the facility? 1, 800 gpd drip irrigation system b. What is the actual treatment capacity of the current facility (design volume) ? 1, 800 gpd drip irrigation system c. Please provide a description of existing or substantially constructed wastewater treatment facilities: The facility uses an existing septic tank (previously installed with approval of the Yancey County Health Department) and periodically replaces the existing conventional nitrification field during the period beginning May 1 and ending the end of October of each year. In addition to the septic tank, the current drip system consists of a 5 . 0 gpd/sq ft, recirculating, lined, sand filter which is covered with stone. The wastewater flows by gravity into a 5, 000 gallon capacity pump tank for recircu- lation and storage . The surface drip irrigation system is designed to prevent a discharge to surface waters . The existing septic tank - nitrification field is used during the off season (November thru February) . d. Please provide a description of proposed wastewater treatment facilities: n/a 3 . Residuals handling and utilization/disposal scheme: The septic tank is periodically pumped by a septage hauler. a. If Residuals are being land applied, please specify DWQ Permit Number: n/a Residual Contractor: n/a -2- Telephone Number: n/a b. Residuals stabilization: PSRP PFRP OTHER c. Landfill: n/a d. Other disposal/utilization scheme (Specify) : n/a 4 . Treatment plant classification: Drip Irrigation by definition 5 . SIC Code(s) : 4952 ? (State Park) Wastewater Code (s) of actual wastewater: Primary: 13 Secondary: Main Treatment Unit Code: 45003 PART III - OTHER PERTINENT INFORMATION 1. Is this facility being constructed with Construction Grant funds (municipals only) ? no 2 . Special monitoring requests: none 3 . Important SOC, JOC or Compliance Schedule dates: (Please indicate) n/a Date Submission of Plans and Specifications Begin Construction Complete Construction 4 . Other Special Items: PART IV - EVALUATION AND RECOMMENDATIONS The ARO recommends renewal of the permit. Signature of Report Preparer Water Quality Regional Supervisor Date -3- The applicant has modified the filter to a rectangular design which is more in line with conventional sand filter systems . A reduction of the surface application rate for this recirculating filter to 3 . 0 gpd/sq ft should adequately compensate for the loss in cubic foot capacity of the filter caused by the less than vertical sides . Construction of the proposed filter bed with 24 inches of sand as opposed to the 18 inches of sand normally provided in a conventional filter bed should provide additional treatment assurances . In regards to the disinfection system, the location of the tablet type chlorinator inside the pump tank increases the likelihood that tablets will adhere to the inside of the tube and not drop as intended (automatically) to the bottom of the tube to contact flow from the filter bed. Additionally, since chlorine tends to evolve from these tablets when they are exposed to the atmosphere, a 30 day storage capacity as provided in the specifications will be ineffective . It is recommended that the chlorinator be serviced at least once per week with those tablets present in the tube tamped to the bottom and a small supply of new tablets added. -4- State of North Carolina Department of Environment A . A and Natural Resources Division of Water Quality Ammommiummk Michael F. Easley, Governor William G. Ross Jr., Secretary NCDENR Kerr T. Stevens, Director NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES March 2, 2001 = _ _ TI _ i__ DENR-MOUNT MITCHELL STATE PARK ; i; ' r JACK L BRADLEY MAR - G 2001 ROUTE 5 BOX 700 i" BURNSVILLE NC 28714 _ _ _ Subject: Acknowledgement of Application No. WQ0012690 Mount Mitchell Spray Irrigation Yancey County Dear Bradley: The Non-Discharge Permitting Unit of the Division of Water Quality(Division)acknowledges receipt of your permit application and supporting materials on February 28, 2001. This application package has been assigned the number listed above. Your application package has been assigned to Stephanie Milam for a detailed review. The reviewer will contact you with a request for additional information if there are any questions concerning your submittal. If you have any questions,please contact Stephanie Milam at 919-733-5083 extension 544. If the reviewer is unavailable,you may leave a message on their voice mail, and they will respond promptly. PLEASE REFER TO THE ABOVE APPLICATION NUMBER WHEN MAKING INQUIRIES ON THIS PROJECT. S' erely, r‘-*L---Kim H. Colson,P.E. Supervisor,Non-Discharge Permitting Unit cc: ifAsheville`Regional:Office;WaterQuality Section Permit Application File WQ0012690 State of North CaroHi Department of Environment, Health and Natural Resources Division of Environmental Management 4. Non-Discharge Peiini t Applic?r;on Form• (THIS FORM MAY-BE PHOTOCOPIED FOR USE .4S AN ORIGi: A )A,s. j q� SPRAY IRRIGATION DISPOSAL SYSTEM � 's� ® GENERAL LNFOR_M&TIO\: - tPip,o 1. Applicant's name. (please specify the name of the municipality, corporation, individual, etc.): 0 fF'NR- Mnurt Psi;t-rhpl 1 StatP Park—. OwnersSigning Officials name and jibe (the person who is le^ali responsible for facility and its compliance): 2. Print or the ar-i Jack L. Bradley, Jr. Park Superintendent • 3. Mpiiina address: Rt. 5 Box 700 City: Burnsville State: N.C. Zip: 28714 Telephone Number. ( 828 ) 675-4611 4. Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans specifications, letters of flow acceptance, Operational.Ferment;, etc.): Mount Mitchell State Park - maintenance area-.cansxrround • 5. Location of Spray Irrigation FFacility (Street Address): Rt.5 Box 700 Ci F3nn��ri11P Slaty: N C. Zip: 28714 6. Laduide: 02")"15 16" ; Longitude 3S`1S:.35" of S Limy I?iaation Facility 7. Contact person who can answer questions about aopucanon: • Name: Tim Tabor Telephone 828 ) 675-4611 8. A 7plicarion Date: 1/18/01 9. Fee Subu.ittrd_. S 205.00 ermishould15, � "C 2H r2 [Tine permit L processing fee be as specified� _�,�`, .,,_0.5(c)(5).j 10. Coun v(ies) where,project is located: Yancey II. PERMIT INFORMATION: • 1. r.plicason No. (will be completed by Doti`): 2. Specif wwhether project is: new; X renewal=;. modification FM'renewals- COL I.plete only sections L Li and applicant signarare on page 7) Submit only pastes ^ and 'n.na and three copies of each). Engineer's sig'nafu re not required for renewal without other modi ict1ons. 3. If this appll'cation i5 being submitted as a result of a renewal or modification tois'ino --itlistexisting -rr an..'.:.. t.__ iY the e.,.:St .._ WQ 0012690 and its issue date 7/31/97 4. Specify whether the applicant is X public or privale. • FORM: SIDS 06/94 Page 1 of 8 } `J Name and Complete Address of Engineering Firm: • City: State: Zip: Telephone Number: ( ) - _..... • Professional Engineer's Certification: • I, ,attest that this application for has been reviewed by me and is accurate and complete to the best of my Iniowledge. I further attest that to the best of my l nowledge the proposed design has been prepared in accordance with the applicable regulations. Although certain portions of this submittal package may have been developed by other professionals,inclusion of these materials under my signature and seal signifies that I have reviewed this mat.-rial and have judged it to be consistent with the proposed design. North Carolina Professional Engineer's Seal,Signature, and Date: • Applicant's Certification: . I. Jack L. Bradley, Jr , attest chat this application for Spray Irrigation Disposal System - Mount Mitchell State Park . has been reviewed by me and is accurate and complete to the best of my knowledge. I understand that if all required pars of this application are not millet:d and that if all required sup. , information and attachments are not incl ded,, this application package will be returned to incomplete. Sic nature i t �� , • 1 1 \y Date / L' ( i TH}. C . ;PLETED APPLY-CATION PACKAGE, L'.CLUDL"IG ALL SUPPORTEG LNFORMATION AND MATERIALS, SHOULD BE SENT TO TlafF FOLLOWING ADDRESS: • NORTH C AROLLNA DIVISION OF ENVIRONMENTAL MANAGEMENT • WATER QUALITY SECTION PERMITS AND ENGINEERING UNIT POST OFFICE BOX 29535 RALEIGH, NORTH CAROLINA 27626-0535 TELEPHONE NUMBER: (919) 733-5083 FAX NUMBER: (919) 733-9919 FORM: STT:S 06/94 Page 7 of 8 State of North Carolina Department of Environment Tic", and Natural Resources A Division of Water Quality James B. Hunt, Jr., Governor D E N R Bill Holman, Secretary Kerr T. Stevens, Director December 27, 2000 ROBERT SKINNER NC DEHNR/P&R-MT MITCHELL ST P P. O.BOX 27687 RALEIGH,NC 27611 Subject: PERMIT NO. WQ0012690 NC DEHNR/P&R-MT MITCHELL ST P YANCEY COUNTY Dear Permittee: Our files indicate that the subject permit issued on 7/31/97 expires on 6/30/01. We have not received a request for renewal from you as of this date. A renewal request shall consist of a letter asking for permit renewal and four (4) copies of a completed application. For permitted facilities with treatment works, a narrative description of the residuals management plan, which is in effect at the permitted facility, must also be submitted with the renewal application. Applications may be returned to the applicant if incomplete. The General Assembly passed legislation incorporating renewal fees into the annual fee. Please be advised that this permit must not be allowed to expire. You must submit the renewal request at least 180 days prior to the permit's expiration date, as required by the 15 NCAC 2H .0211. Failure to request a renewal at least 180 days prior to the permit expiration date and/or operation of a facility without a valid permit may result in the assessment of civil penalties. NCGS 143-215.6A allows for the assessment of Civil penalties up to $10,000 per violation per day. The letter requesting renewal, along with the completed Non-Discharge Permit Application must be sent to: Division of Water Quality Non-Discharge Permitting Unit P. O. Box 29535 Raleigh, North Carolina 27626-0535 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone 919-733-5083 FAX 919-733-0719 An Equal Opportunity Affirmative Action Employer 50% recycled/10%post-consumer paper If you have any questions concerning this matter, please contact Thelma Williams at 919 733-5083 extension 556. -. Sincerely, • j/Kim H. Colson, P.E., Supervisor Non-Discharge Permitting Unit cc: Asheville=Regional_Office Central Files `r.r i \' ..fie ' ;41 w ., }_'? -' NORTH CAROLINA DEPARTMENT OF 1- .u-,,i '. 1- ' ENVIRONMENT-AND NATURAL RESOURCES tl DIVISION OF WATER QUALITY * ASHEVILLE REGIONAL OFFICE O ; Water Quality Section NCDEN dR October 6, 1998 ' .A,'x �` Mr. Dave Horton ,, i *7 - , ; , Route 5, Box 700 I'"JA MEs B.HUNT.S.R:�'i•a1 V: t��. �„-�:,ti Burnsville, NC 28714 F-"GOVERNOR 1-i { a,. K; JV.rxa Subject : Notice of Violations for ;,r �" Mount Mitchell State Park .- Wastewater Drip Irrigation ��f" — systempermit number W 0012690 WAYNE NICDEVITT Y - Q ^+ SECRETARY Non-submittal of required � aa eYYk .1 � monitoring and reporting forms t444, 'i f g "i. {�„ Dear Mr. Horton; ,,,,, ,.„01.1660.. 104;,, t ikriiiIREGTG ag Thank you for returning my call . Regarding our i'V ,it` t conversation yesterday, I would like to provide you with "k Y 9., information and clarifyseveral items that we discussed. ` s a `tom`' P.k4 -, `� I,- •v.T 1. Operation and Maintenance � rtE Y ' , • 4' Enclosed is a copy of the current permit . Section w , .• . y II .#11 allows the operation of this drip system only during (. - 41�Kp ,j` the months of Maythrough October. Section II . # 2 • _ g requires f.4? 1. that "the ORC. . .must visit the facility at least weekly .`- t. e e ` ' , and properly manage and document dailyoperation and �. P P Y g P M ,, tl {{{ , maintenance of the facility" . 'I fl i • 4 J- .'— 2 . Monitoring and Reporting r=� h ," _ The regulations require that "every person operating a 10- r rl f monitoring system required by this section shall file a - tlr , . ' monitoringreport once a month . . . This report shall be -; ; � t g filed no later than 30 calender days after the end of the 4 th- e '1 4,t ,„ ,,� , _.$ ,T reporting period for which the report is made (reference: 15A NCAC 2B 0 . 500 enclosed) . k # 3 �,10--1 I am enclosing a year' s supply of monthly reporting 'l'--g= - �" forms (NDAR-1 and .NDMR-1) and reorder form. Please complete L�;�,��. x ins I� � and submit as indicated on the form. - , 4 Since no reports have ever been filed, it would be- �-:-a-- -'- -, appropriate to reference your records and file reports for �.. as many months as you have records for. I have filled out � ' an example and included calculations . If`� . ;3, , �. xffi P you need any help il, , `'' �r ��. converting gallons pumped to inches applied, etc . , please 4 .,A,- '" give me a call . t �<"x How to complete the NDAR-1 form. '?e A monthly report (form NDAR-1) must be filed each month `�.x �' , Fu i" t � ^ INTERCHANGE BUILDING,59 WOODFIN PLACE ASHEVILLE,NC 28801-2414 PHONE 828-251-6208 FAX 828-251-6452 'C'In"�d`,'`( '17: IvrK41 V AN EQUAL OPPORTUNITY/AFFIRMATIVE ACTION EMPLOYER-50%RECYCLED/10%POST-CONSUMER PAPER - tea' o i:U*7.-Z-.•,�'-'+:i^ Mr. Dave Horton October 7, 1998 page 2 of 4 (during May through October) regardless of whether waste- water has been applied or not . The months (during May through October) in which wastewater has not been applied you will need to com- plete the top portion, write in "No wastewater was applied this month" and submit the report as required. The facility is permitted to apply wastewater to a 0 .44 acre two zone field at an application rate not to exceed 0 . 32 inches per day. If calculated as an hourly rate this would be 0 . 0133 inches per 24 hours, which would also be a weekly rate of 2 .24 inches per week. These rates need to be filled in at the top of the form. Each day that you apply wastewater (during May through October) you are required to record the weather conditions (using the codes on the form) , the temperature (of the air) in of and the amount (in inches) of rainfall occurring within that 24-hour period of time . Disregard all references to freeboard, since this does not apply to your facility. Record the volume pumped in gallons, the total time that wastewater is applied (drip irrigated) during that 24-hour period of time, calculate and record the daily loading (in inches) and maximum hourly loading (in inches) . Example calculations : If you apply 1000 gallons of waste- water for 2 hours (within a 24-hour period of time) , you would calculate the daily loading (DL) in inches as follows : DL in. = (1000 gallons x 0 . 1336 cubic feet/gal) x 12 inches /ft 1 . 0 acres x 43 , 560 square feet/acre = 133 . 6 x 12 inches /square "feet 43 , 560 square feet = 16 , 032 inches 43 , 560 = 0 . 0368044 inches Round off and report Daily Loading as : 0 . 04 inches To calculate the maximum hourly loading rate (MHL) in inches per hour, use the following formula. MHL in. = daily loading (inches) x 60 minutes total time irrigated (minutes) hour Mr. Dave Horton October 7, 1998 page 3 of 4 = 0 . 0368044 inches x 60 minutes 120 minutes hour = 2 .208264 inches 120 hour = 0 . 0184022 Round off and report Maximum Hourly Loading as : 0 . 02 inches Page two of the monthly report must be completed and signed. Since there are no places to document ORC visits, arrival times, time on-site, back-up operator, etc . Please make a note of ORC visits on the back of each NDAR report . How to complete the NDMR-1 form. Section III .#3 of the permit requires that samples be collected every July and September. Enclosed is a list of certified labs in the area. Since you have not collected any samples this year, please collect a set this month and report on the NDMR. This form allows you to document ORC visits, time on- site, etc . You might like to use this form as an operational log. To report the daily flow rates as million gallons a day, divide by 1, 000, 000 . For example : MGD = 2000 gallons = 0 . 002 MGD 1, 000, 000 Page two of the monthly report must be completed and signed. 3 . Responsibilities of the Operator in Responsible Charge (ORC) Enclosed is a copy of the Water Pollution Control Operators' Certification Commission administrative code/regulations . I have marked the areas which address the responsibilities of the ORC and permittee. A spray irrigation system requires a weekly visit by the ORC. In addition, the ORC "must properly manage and document daily operation and maintenance, certify monitoring and reporting information as prescribed in the permit . . . " . Please keep an operational log and document weekly ORC visits . Conclusion I am very concerned that there have been failures to perform and submit required monitoring and reporting. It is imperative that you understand the importance of this situation and that you take immediate action to correct the items we have discussed and Mr. Dave Horton October 7, 1998 page 4 of 4 addressed in this ,letter. If I can be of further assistance or answer any questions, please do not hesitate to contact me at 828-251-6208 . My voice mail extension (218) is available 24 hours a day. I look forward to hearing from you regarding training on October 22nd. Thank you for your attention to this matter. Sincerely, "7„/Lra-7--da_ (2 (:)/ t Wanda P. Frazier (J Environmental Specialist Enclosures: Copy of current permit WQ0012690 Example of completed monthly report form Blank monthly report forms NDAR and NDMR (1 year supply) Reorder form for monthly reports Title 15A: 08 -- Chapter 8 Operator Regulations Title 15A NCAC 2B . 0500 - Monitoring & Reporting Regulations cc : Alan Jeffreys, Park Engineer (back-up operator) no enclosures Forrest Westall, Regional Water Quality Supervisor McGil1Ale i ASSOCIATES i September 21, 1998 T� a SEP Mr. Kim H. Colson, P.E., Supervisor �J " North Carolina Department of Environment 49 �T�,� and Natural Resources HEi' i p p:,a ' Division of Water Quality o�u�� 1p& Post Office Box 29535 Raleigh, North Carolina 27626-0535 RE: Sewer System Improvements Mt. Mitchell State Park WQ0012690 . Dear Mr. Colson : Work associated with the construction of the sewer system improvements at Mt. Mitchell State Park including a wastewater treatment and drip irrigation has been completed. The following certification is therefore provided: ENGINEER'S CERTIFICATION I, M. Keith Webb, as a duly registered Professional Engineer in the State of North Carolina,- having been authorized to observe (periodically) the construction of the project entitled, "Mt. Mitchell State Park Facility, Wastewater Drip Irrigation System, Yancey County, Division of Parks and Recreation owner, the Permit holder, approved under Division of Water Quality permit number WQ0012690, dated July 31, 1997", hereby state that, to the best of my abilities, due care and diligence was used in the observation of the construction such that the construction was observed to be built within substantial compliance of the permit, and the rules and regulations of the Division of Water Quality and other supporting materials. ' 00% !-•-ak:�f." ors Y6_1 UANtli) eiy`' f11Q �6cty9���/�}s sAi'~ 4f 4..) ril . C' 1 cs .q zot cit% Engineering • Planning • Finance McGill Associates, P.A. •P.O. Box 2259, Asheville, NC 28802 • 55 Broad Street,Asheville, NC 28801 704-252-0575 • FAX 704-252-2518 Please give me a call if there are any questions. Sincerely, McGILL SOCIATES, P.A. C/0.-tV M. ITH WEBB. P.E. MKW I.. cc: Alan Jeffreys forest Westall 96296.01/KC20sep2 ( U`) State of North Carolina • Department of Environment, Health and Natural Resources Fj ` • Division of Environmental Management James B. Hunt, Jr., Governor Jonathan B. Howes, Secretary _s-F A. Preston Howard, Jr., P.E., Director E 2 ' 1 L i March 29, 1996 /?PR - 4 1996 U Mr. Alan Jeffreys,Park Engineer NCDEHNR-Division of Parks and Recreation G'dATER QUALITY SECTION 12700 Bayleaf Church Road ASHEVILLE REGIONAL OFRCE Raleigh,NC 27614 — - Subject: Project Return (WQ0011580) %6823 R \4... NC Division of Parks and Recreation Mount Mitchell State Park Proposed Drip Irrigation Facility Yancey County Dear Mr.Jeffreys: This letter is in reference to your application received September 21, 1995, for the construction and operation of the subject facility. In a letter dated December 11, 1995, you were asked, by Ray Cox of the Division of Environmental Management's Water Quality Section, to provide additional information to complete the submittal package for the subject project (copy of letter attached). In a meeting on January 29, 1996,with the design consultant (Mr. Barrett Kays) and others, the need for the additional information was reiterated. Mr. Cox expounded on what information was required in a phone conversation with you on February 8, 1996. As of today, none of the requested information has been received. The Division must, therefore, return your application and supporting documents as incomplete in accordance with North Carolina General Statute 143-215.1. The documents are being forwarded to you under separate cover. • When you have obtained the requested information which is needed to make your application complete,you may submit a new application package and permit processing fee. If you have any questions concerning this matter, please contact Ray Cox at (919) 733-5083, extension 549. Sincerely, A. Presto coward, Jr., . E. cc: Asheville Regional Office,Water Quality Section Asheville Regional Office,Groundwater Section Cindy Boyles,Groundwater Section, Central Office —Permit File WQ0011580 E _ II Barrett Kays &Associates, P.A. Li- ,APR - 31996 Gr undwater Section P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone 919-733-701 5^;,hti C,'9;1r99733 2496,rm An Equal Opportunity Affirmative Action Employer 50%recycled/10%post-consumer paper • State of North Carolina Department of Environment, Health and Natural Resources , 4 • • Division of Environmental Management = - r Jomesnah B. Hunt, Jr., Governor eta C Jonathan B. Howes, Secretary A. Preston Howard, Jr., P.E., Director December 11, 1995 • Mr.Alan Jeffreys,Park Engineer N.C.Division of Parks and Recreation 12700 Bayleaf Church Road Raleigh,NC 27614 Subject: Application No.WQ0011580 Additional Information Request N.C. Division of Parks and Recreation Mount Mitchell State Park Wastewater Treatment Facility Yancey County Dear Mr.Jeffreys: The Permits and Engineering Unit has begun a detailed engineering review of the subject application. The following items must be addressed before we can complete our review: 1) The application inaccurately reflects that Division staff indicated no disinfection or public access control would be necessary. Each of these items must be adequately addressed and included in this project. The plans and supporting documents,should be modified as necessary to indicate what measures are being taken to address these items in the design. 2) Please provide support in accordance with 15A NCAC 2H .0219 (1), or in the form of recorded flow data, for the estimated volume of wastewater indicated in item III 4, on page 2 of the . application. 3) The volume for the pump tank is shown as 5,000 gallons on sheet 3 of the plans and 6,000_ - gallons on sheet 7. Please clear up this discrepancy, modifying the appropriate sheet to show the appropriate volume. 4) Please provide a set of specifications for the preassembled pump/filter/control system to be utilized for this system. . 5) Please modify the appropriate sheet(s) of the plans to show the proposed distribution system - - design for the surface sand filters. 6). The triangular cross-sectioned sand filter, as you may know, is not the design typically submitted for this type of project (rectangular cross section). In order to assist the Division in .properly evaluating this design,please provide guidance for the following items: (a) What is the proposed method of construction?; (b) How will this design allow for even distribution and loading throughout its cross section (will short-circuiting not be a problem)?; (c)Can you = _-- ensure that this design will function as well as the more traditional rectangular cross section, -_ providing adequate contact with filter media by all wastewater, and thus,proper filtration of the - wastewater?; (d)When addressing these concerns, please note that the dimensions indicated : - - on the detail (sheet 7) and be side slopes do not appear to mesh. By my calculations, the side °-___ slopes would have to be 1:1 for the indicated dimensions to be valid. Please provide clarification for this apparent discrepancy. P.O.Box 29535, Raleigh, North Carolina 27626-0535 Telephone 919-733-7015 FAX 919-733-2496 An Equal Opportunity Affirmative Action Employer 50%recycled/10%post-consumer paper • 7) Please provide any data available to support the values given for "Downward Hydraulic :. Redistribution" in the monthly water balance for the subject project(e.g. conductivity studies performed either on this site or one with similar parameters). Refer to the subject permit application number when providing the requested information. Please submit four (4) copies of all information to my attention at the address-below. Also, - please note that failure to provide this additional information on or before January 26, 1996,will subject your application to being returned as incomplete,in accordance with 15A NCAC 2H .0208. If you have any questions on this matter,please call me at (919)733-5083,ext. 549. • S' cerel , J. ay ox Environmental Engineer State Engineering Review Group 'cc: Asheville Regional Office,Water Quality Asheville Regional Office,Groundwater - Cindy Boyles,Groundwater Section,Central Office `Permit File WQ0011580 Barrett Kays&Associates State of North Carolina Department of Environment, Health and Natural Resources y • • Division of Environmental Management - amimiumw iy` James B. Hunt, Jr., Governor Jonathan B. Howes, Secretary H N A. Preston Howard, Jr., P.E., Director 5 December 11, 1995 ' i Mr. Alan Jeffreys-P �Engineer I1EC ®.1995 .�) N.C. Division of� and Recreation t J 001 :Tree yleaf Church Road S'aleigh,NC 27614 ' ' : Groundwater Section Subject: Application No.W . Asheville Re;'onal Office PP � Qom ... .._-. _ . Additional Information Request N.C.Division of Parks and Recreation Mount Mitchell State Park Wastewater Treatment Facility Yancey County Dear Mr. Jeffreys: The Permits and Engineering Unit has begun a,detailed engineering review of the subject application. The following items must be addressed before we can complete our review: 1) The application inaccurately reflects that Division staff.indicated no disinfection or public access control.would be necessary. Each of these iteins must be adequately addressed and included in this project. The plans and supporting documents should be modified as necessary to indicate what measures are being taken to address these items in the design. 2) Please provide support in accordance with 15A NCAC 2H.0219 (1), or in the form of recorded flow data, for the estimated volume of wastewater indicated in item III 4, on page 2 of the application. 3) The volume for the pump tank is shown as 5,000 gallons on sheet 3 of the plans and 6,000 gallons on sheet 7. Please clear up this discrepancy,modifying the appropriate sheet to show the appropriate volume. 4) Please provide a set of specifications for the preassembled pump/filter/control system to be • utilized for this system. 5) Please modify the appropriate sheet(s) of the plans to show the proposed distribution system design for the surface sand filters. 6) The triangular cross-sectioned sand filter, as you may know, is not the design typically submitted for this type of project(rectangular cross section). In order to assist the Division in properly evaluating this design,please provide guidance for the following items: (a) What is the proposed method of construction?; (b) How will this design allow for even distribution and loading throughout its cross section (will short-circuiting not be a problem)?; (c)Can you ensure that this design will function as well as the more traditional rectangular cross section, providing adequate contact with filter media by all wastewater, and thus,proper filtration of-the wastewater?; (d)When addressing these concerns, please note that the dimensions indicated on the detail (sheet 7) and the side slopes do not appear to mesh. By my calculations, the side slopes would have to be 1:1 for the indicated- dimensions to be valid. Please provide clarification for this apparent discrepancy. • P.O.Box 29535, Raleigh, North Carolina 27626-0535 Telephone 91.9-733-7015 FAX 919-733-2496 An Equal Opportunity Affirmative Action Employer 50%recycled/10%post-consumer paper • 7) Please provide any data available to support the values given for "Downward Hydraulic Redistribution" in the monthly water balance for the subject project(e.g. conductivity studies performed either on this site or one with similar parameters). Refer to the subject permit application number when providing the requested information. Please submit four (4) copies of all information to my attention at the address below. Also, please note that failure to provide this additional information on or before January 26, 1996,will subject your application to being returned as incomplete,in accordance with 15A NCAC 2H.0208. If you have any questions on this matter,please call me at (919) 733-5083,ext. 549. Sincerel , J. ay ox Environmental Engineer State Engineering Review Group cc: Asheville Regional Office,Water Quality TA sifffilllFRekional Office,Groundwater) Windy Boyles,Groundwater Section,Central Office Permit File WQ0011580 Barrett Kays&Associates LKo DIVISION OF ENVIRONMENTAL MANAGEMENT GROUNDWATER SECTION October 30, 1995 MEMORANDUM TO: Carolyn McCaskill THROUGH: Bob Cheek 9avd`j 7Ci 1�v=C.ef� FROM: Cindy Boyles C d SUBJECT: North Carolina Division of Parks and Recreation--Mount Mitchell State Park Drip Irrigation System Yancey County WQ0011580/GW95218 (J. Ray Cox: DEM SERG Review Engineer) The Groundwater Section has reviewed the subject permit application for the installation of a recirculating sand filter and surface applied drip irrigation system to provide effluent disposal from the existing septic tank/dosing tank onto a .44 acre area. This system will generate 1,800 GPD of wastewater. The Groundwater Section recommends issuance of the permit with the following conditions: 1. Any groundwater quality monitoring, as deemed necessary by the Division, shall be provided. 2. The COMPLIANCE BOUNDARY for the disposal system is specified by regulations in 15A NCAC 2L, Groundwater Classifications and Standards. The Compliance Boundary for the disposal system constructed after December 31, 1983, is established at either(1) 250 feet from the waste disposal area, or(2) 50 feet from the property boundary, whichever is closest to the waste disposal area. An exceedance of Groundwater Quality Standards at or beyond the Compliance Boundary is subject to immediate remediation action in addition to the penalty provisions applicable under General Statute 143-215.6A(a)(1). In accordance with 15A NCAC 2L, a REVIEW BOUNDARY is established around the disposal systems midway between the Compliance Boundary and the perimeter of the waste disposal area. Any exceedance of standards at the Review Boundary shall require remediation action on the part of the permittee. If there are any questions, please contact me at 919-715-6168. D 5 CAB NOV I 1995 1111 cc: tien®o Central Files GROUNDWATER SECTION Permit Files ASHEVILLE REGIONAL OFFICE GW95218.ISS GROUNDWATER SECTION ASHEVILLE REGIONAL OFFICE MEMORANDUM: TO: Cindy Boyles THROUGH: Don Link g FROM: Kay DechantV SUBJECT: Permit Review NC Div. Parks & Recreation, Mt . Mitchell State Park Drip Irrigation System WQ 0011580 GW 95218 Yancey County, North Carolina DATE: October 20, 1995 Issuance of the subject permit is recommended. The site, located at Mt . Mitchell State Park, has provisionally suitable soils , thus a surface applied drip irrigation system is proposed. Soils are shallow and there is no water table present above bedrock, so no groundwater monitoring is recommended. The site is limited as to options for a wastewater treatment system. The proposed system is located in a remote area, with little impact to groundwater expected. Please call me at ( 704 ) 251-6208 if you have any questions . \lkd cc: Max Haner GROUNDWATER SECTION GW # I 7,3-a7 IF 1 DIVISION OF ENVIRONMENTAL MANAGEMENT RECORD OF WASTE DISPOSAL PERMIT APPLICATION REVIEW REVIEW BY d �ec4A'1� DATE /D ZD 95 FIELD INVESTIGATION? (YIN) �✓ t .-esi-!� .fr h' COUNTY il[P FACILITY NAME /��aiv ��� °` �P 1P4�� ,� LOCATION /�t AfAe// s� ' /' 4 fSOf'I P� /'igQ DESIGN CAP. (GPD) TYPE OF DISPOSAL SYSTEM (LAGOON,ETC.) ,CJ/'� !/� I/ /��1 DESCRIPTION OF FACILITY.15/%/0M �,r/c 9 / /-P el/Gu/a frig seyimi 17f�'Q a' A e •° (O/ /' ' T eis7;;47 4,- r'n cief + i ifow ev 7 .SP 7Pc /4i 4 OF I POUNDMENT(FT. SQ.) / &/OR SIZE OF APPLfCATIOf1AREA . `// awes SIZE WASTE SOURCE: MUN.SLUDGE • MUN.W.WATER: PRIMARY SECONDARY TERTIARY IND.SLUDGE IND.WELL WATER OTHERS: _ DISTANCE FROM WASTE SOURCE TO NEAREST: STREAM 7J'OO FT., WELL>�OO FT. FOR WELL:TYPE OF USE ,DEPTH PUMP RATE(EST.) WHAT DESIGN CONDITIONS WILL REDUCE/INCREASE CHANCE OF GW CONTAMINATION: .Slue /9/) .' .4ti4/ SD of e. f' yiVe-- 1[R i�� 4.- i►f s i' .i 4.s WHAT NATURAL SITE CONDITIONS WILL REDUCE _CRER E-CHANCE OF GW CONTAMINATION: -5?/ G aft //1Us/Maq s0 G��° ire to .S/ic/Ae/i(esc, /�f�f/` kd/�P�PSP?t do l/� , 4i, DEPTH TO:BEDROCK J ^--5 FT., SEASONAL HIGH W.T. FT., ANNUAL W.T. FLUX - 0 FT. I SURFICIAL AQUIFER I I BEDROCK/ARTESIAN AQUIFER I GEN.LITHOLOGY /� !D P cr ra leaa `S �L I MEASURED �� ❑ MEASURED HYD. COND. O/7! FT./DAY ESTIMATED FT./DAY [l ESTIMATED THICKNESS `/!/1< FT. NO.OF MONITER WELLS:PROPOSED:UP C) DOWN ;EXISTING:UP DOWN FROM WORKSHEET:SITE NUMERICAL DESCRIPTION= if - i d 9�. 4 /3 T 1 2 3 4 6 6A) 6B SITE GRADE(HYDROGEOL)=I .0 I SITUATION GRADE= I I PROPOSED SAMPLING SCHEDULE &PARAMETER(S): 4004 e i'/'D/QSvci/ HAVE THERE BEEN ANY EXCEEDANCES OF THE GROUNDWATER STANDARDS?YES NO ,Z. HAS ANY ENFORCEMENT ACTION BEEN TAKEN?YES NO L/ DATE OF ACTION: BRIEF SUMMARY OF ENFORCEMENT ACTION TAKEN: REMARKS/RECOMMENDATIONS (Continue on reverse,it necessary): t ro/n!n P/" /551/07(e a pr/M /A oft/a/Y ,7744r ..'40 T/47 " ' ,OPCCfuc AN? /c !1D u/!! r 7; /� /tes t di f of .hPj I P �h_ . HYD. REGIONAL SUPERVISOR GW-48 Revised 04194 • WASTE DISPOSAL PERMIT APPLICATION,,.REVIEW.,.WORKSHEET• • County: ( 'W/: evlewer: f Date: G ' S1rao 1 Determine the distance Pohl value 0 1 2 . 3 4 • on ground between con- 5 • 6 7 . d q! lamination source and Mono.In 2000+ JOO 99 75.149 5lS-49 ' water sunPN(weft o� meters 1000-2000 150-200 �o-i4 10-10 . Distance' Pt.Value dream). . Distance h 6200t 20-34 • 0 q • pep 1) 1001-3100 231-lSOD„ 101-160 31-60 feel 3100-6200 501-1003 161-250 61-106 0-S6 Milk if wafer table h permeable bedrock pf.value■6;h poorly permeable bedrock a 2 • Pohl value 0 1 pt.v 6 .4 Sfe Estimate the depth Motors2 3 4 B 6 7 A p to the water fable { � 2020 12-29 B 11 67 3-4 1b25 fi 1 below base of con- Feet 200 i 91-200 61-90 36-60 26-35 16 250 Depth P1.1/ahib lamination source C 16 3 8 0-2 U W.T. (Step2) more than 5 x of the year. 51.12.1 Pram:7ie 0 1 2 3 A 5 0 Estimate water Water table Gradient Gradient Gradient —t-- • • table gradient gradient otxt away from dmarif • low turn few than d Grodert Gradient Gradient S Value • from contamh- . flow drectbn ad water flatgreater theater (Stet)3) dim site 2 percent 2 percent ffaan 2 than 2 stipples that toward towaed • percent percent are closer water water toward toward than 1000 supply but iuPPN • wafer wafer meters not the and Is the sappty Supply • - anticipated antic,ated Ixt not rand lithe drectlan of drec$Ion of the anti- attckaated flow 11oir cleated dwellers direction of flaw 3110 4 of flow • 1 rmeae of • I' I r I I '!i lit sorption for the Cfaywtth •waste disposal stie Clean • no more Svc wlh Sand with gravel or (�A stow -Rock>100C than 50% 15-30% lei'than Clean fine codrie ' feet yii... may, sand coty 1tf%clay... sand .andbelow Mane ihcn 30 OA�J 2A 4 1(3) I14) 9A Make than 95 kind sufc e r �,�+ • 25_20 I 11 I I I 1 II I 11 I II (3)I column -bedrock OB 1C 1D 2F 3E 4G 6F 6E 70 SE 9G 9M 7$-94 poorly0€ 20-24 oC 2C ,1 E 36 4D St 56 07G t!F OH ON 60 44 1eOe LLO? 15-10 OD 3B IF 4C 4E 6C list 7D 7H SG 01 46.59 c • • m? 10-14• of di) ' 2D 68 di lob 51 7E 71 VD 9J 90 • (4)II column -bedrock ck- 2b-4B re bedrock 5� 3 0 lB 69 2E 78 Sc 7C BJ Ito 7J cs silt90 10.2i or very g 0 Permeable Levi than 3 lB es3C BC SIC (9CD ill . 44.- 91. 9P liii than 10 Bedrock at land surhsce;l.6Z,I I.OZ 7G Note:If Bedrock d land surface,use 10(pkii approprkite letter) Category (Step 4) Degree of confidence In accuracy of valuer+ A very con dent • 8=fatty confident C=w Ith l w confidence Confidence (Step 5) Stec 6A 'Point of concern with regard to contaminant Source li: W=near by wel ,/a S■Sorsa/stream �/ _ B■perimeter of complance Pdnf of Concern S!!la Q Additional araltrier (Circle only one) (Step bN 4 D=Cone of depression of nearby pumping well hap. or WI 1kety,Influence aontamhant flow M'Furl w under cite hlplJy likely E■Distance h Step 1 based on seP.§Ile fast Poor percobtbn potentici Nclue at 2 or feet h Ste 4 Quat r • contaminant Paratbn from • P ) (Step 6B) • plume rather than post source C.Waite iorice in groundwater ri charge area F■Wife source In graundwder discharge area, • 1 t/rr hVnal groundwater°oniaminallon al depth/dstomce T=Water Cobb h very highly itacfured«caverou rock K a Area Underlain by cwerate limestone =Site Underlain by 1 or more adetldn oquif®n • . _ . • t!' WASTE DISPOSAL PERMIT APPLICATION REVIEW WORKSHEET (CONT.) , • . eitie Nuire •-1 deicrIption • -94 Tod Step 1 31p2 sopa Step 4 Step 6 • StiiP • Add itepi 1-4(0mtt lettais)) • • Sit it Grade Baled on HYdrcigeologIc kiramotari . • • •• • gait Haiard Pah/neat Matrix Identifier (HPM) • (Choose Ono) • D G I • B E H 4 A C 0 • HPK41 • • • Eft/ • • ford kiln/63(p. 111 (1)Nuinflorical Site Description(from Step 7) f (2)PAR VAWE(Stage e) • / , SITUATION RATING:(1)-(2) I 0 I . (table below) • SITUATION GRADE [4:1. no site modications (see table below) • Stan-la SITUATION GRADE • site mociincattore (WO table below) . I.. . SITUATION RATING TABLE • To be teed for Stet) (Natural)cind Step 10( ) (Step 10) SITUATION RATING PROBABILITY OF SITUATION (Combined Value) tourAmmktioN DEGREE OF ACCEFIABIUTY GRADE a oriel linprobable 'Probably occeritabio A -7 to-4 • ProbotfiCicceptabie or • 6 morph*triocciptabki • -3 to+3 Acceptance uncerlati b+7 Fielocibiy rP triciociiDiabiiiD or marghaly o;cipilable +8 or more Very Probable Almost ceridn to be F • • unacceptable • The probaptity of canto:nomination from shiations having vaibishviten t 7 and-7 IS difficult to categortio satisfactorily. Therefore.this range of vatuii rep'reiainted bY grade'.B and C.Is diilancid only by a citieation mark. .. Acceptance' or rejection Of as site for the Infnaiikl p4.npO$i hariiponiblity 44 th.paricular rogulatory agency and may depend on Special riciutemente of the agency or On feasibility and raisicidion of approved engineering of a site(Stage 4). * • . , . . • • • • • i/ . 1.KID DIVISION OF ENVIRONMENTAL MANAGEMENT GROUNDWATER SECTION -m., MEMORANDUM ,,::; TO: Dp„, , 4l A./k c- J y _73- A-s ei, / p Regional Office - C 3 r., (r. FROM: C e,,ioy )4 //es _-- +_c9 ' SUBJECT: Application for Permit Renewal I OCT1 1 1995 ft . Permit Amendment Y .'._New- Permit' Facility Name : be ,Dtid Avz-kg 4 Rix.... - Alt 4cA'/ 57,4✓2-t County: /4Nc�� Type of- Project : 1_,f',P //ex/yAl ^ APPLICABLE PERMIT NO. s : e_Wd OO//58l> I.GW 'SLig DEH A to C / UIC EPA CUA . The Groundwater Section has received a copy of the referenced permit application, a copy of which should have been sent to. your Regional _ Water Quality Supervisor - IF A COPY HAS NOT BEEN RECEIVED IN THE REGIONAL OFFICE, PLEASE LET ME KNOW. • 1/7 The Groundwater Section has received a copy of the referenced°permit application. A copy___of the__application,_documents we received--is . : . attached. - - The Groundwater Section has received a subsurface disposal project from the° Div. Env. Health' s On-Site Wastewater Section. A copy of the application has been forwarded to DEH' s Regional Soil Specialist, . . Please coordinate your review with that Soil Specialist . - . Please. �review the application materials for completeness . If you feel additional . information is necessary, please let me know no later than ' O,f 16 w lC�► u . A copy of any formal request for additional information ill be forwarded to you. /' =- - If you. do not need any additional information to�:complete your review, • please provide your final comments by OCf. Z /1 5. I�f.you request and/or receive additional information, your,._final comments ,are a due no later than 14 days after you receive the additional—. nformatiori. \TRANS .SHL . Division of Environmental Management /zo ��h • Date MEMORANDUM - To: Bob Cheek, Supervisor - c.., Permits & Compliance Unit �!Y I 1995 �' r Groundwater Section `' From: (aX , Project Engineer Permits & E4'gineering Unit . i Water Quality Section • ? _„ ES = C• . cr cn c: co F:1 Subject: Groundwater Review Non-Discharge Application No. E QtC 1 Facility Name: ,I7Fg - Av1T M rrc.H-u_ P'•i iP AU County: VA-tJ ct'V (GW # ggZ(g ' ) • Attached you will find plans, specifications, and supporting information for the above project • Please let me know whether you will or will not be conducting an extensive review of the subject project by If I can provide additional information, please contact me at ext. will (1) The Groundwater Section will not* conduct an extensive review of the subject . aF * Groundwater Section will not review application for the reason listed below: • • (2) A request for additional information will be forwarded to you by the • reviewer listed below. GW Reviewer: C A-soy/ /3Vy�a.s Date: ect 3 17 Q • 9/6/90 / SOC PRIORITY PROJECT: YES NO V IF YES, SOC NUMBER TO: NON-DISCHARGE PERMITTING UNIT WATER QUALITY SECTION ATTENTION: THERESA NARTEA FROM: WANDA FRAZIER ASHEVILLE REGIONAL OFFICE DATE: AUGUST 29, 2001 NON-DISCHARGE STAFF REPORT AND RECOMMENDATION • YANCEY COUNTY PERMIT NUMBER WQ12690 ' (FORMER PERMIT NUMBERS : WQ11580 RETURNED & WQ12363) 1 . Facility and Address : Mount Mitchell State Park Route 5 Box 700 Burnsville, N. C. 28714 2 . Date of Investigation: August 24, 2001 3 . Report Prepared By: Wanda Frazier 4 . Persons Contacted Alan Jeffries, Park Engineer 919-846-9991 Raleigh office "Rusty"! Jack L. Bradley Park Superintendent and Telephone Number: 828-675-4611 Phillip Riddle, ORC Jonathan Griffith, Park Ranger 5 . Directions to Site: The State Park is located adjacent to NC Hwy 128, approximately 4 . 5 miles north of its intersection with the Blue Ridge Pkwy on the Yancey Buncombe County Line. . The spray/drip site is located in Yancey County. 6 . Size (land available for expansion and upgrading) : adequate 7 . Topography (relationship to 100 year flood plain included) : not in flood plain - relatively steep slope Attached is a USGS map extract, indicating the facility site. USGS Quad No. D9SE USGS Quad Name Mt . Mitchell, NC Latitude:35° 45 ' 35" Longitude: 82° 16 ' 20" -1- 8 . Any buffer conflicts with location of nearest dwelling and water supply well? Yes No _x_ If Yes, explain: 9 . Watershed Stream Basin Information: Beech Nursery Creek (nearest stream) a. Watershed Classification: WS-II b. River Basin and Subbasin No. : French Broad 040307 c. Distance to surface water from disposal system: est 1800 feet PART II - DESCRIPTION OF WASTES AND TREATMENT WORKS 1. a. Volume: 0 . 0018 MGD (Design Capacity) Residuals: n/a tons per year b. Types and quantities of industrial wastewater: none c. Pretreatment Program (POTWs only) : n/a in development approved should be required not needed 2 . Treatment Facilities : a. What is the current permitted capacity of the facility? 1, 800 gpd drip irrigation system b. What is the actual treatment capacity of the current facility (design volume) ? 1, 800 gpd drip irrigation system c. Please provide a description of existing or substantially constructed wastewater treatment facilities : The facility uses an existing septic tank/ground absorption system that was previously installed with approval from the Yancey County Health Department . The drip system is intended to replace the conventional system beginning May 1st and ending the October 31st each year. In addition to the septic tank, the current drip system consists of a 5, 000 gallon pump tank with newly installed (as of August 22', 2001) submersible pumps which deliver flow to a 5 . 0 gpd/sq ft, recirculating, lined, sand filter which is covered with small-sized stone . The pump tank is used for recirculation and storage. The surface drip irrigation system is designed to prevent a discharge to surface waters . The existing septic tank and nitrification system is used during the off season when the park and restaurant are closed to the public (November thru April) . During that time, the only wastewater going to that system is generated from three ranger residences and the maintenance shop. -2- d. Please provide a description of proposed wastewater treatment facilities: n/a 3 . Residuals handling and utilization/disposal scheme: The septic tank is periodically pumped by a septage hauler. a. If Residuals are being land applied, please specify DWQ Permit Number: n/a Residual Contractor: n/a Telephone Number: n/a b. Residuals stabilization: PSRP PFRP OTHER c. Landfill : n/a d. Other disposal/utilization scheme (Specify) : n/a 4 . Treatment plant classification: Drip Irrigation, by definition 5 . SIC Code (s) : 4952 (State Park) Wastewater Code (s) of actual wastewater: Primary: 13 Secondary: Main Treatment Unit Code: 45003 PART III - OTHER PERTINENT INFORMATION 1. Is this facility being constructed with Construction Grant funds (municipals only) ? no 2 . Special monitoring requests: none. 3 . Important SOC, JOC' or Compliance Schedule dates: (Please indicate) n/a Date Submission of Plans and Specifications Begin Construction Complete Construction 4 . Other Special Items: PART IV - EVALUATION AND RECOMMENDATIONS The ARO recommends renewal of the permit . We are requesting that the permit language be modified to specifically require monitoring reports to be submitted only during the months of May through October or when the system is in operation. This will prevent reports from having to be filed stating "no discharge" during the remaining months of the year, when the system is winterized and shut down. We also recommend grab samples (and insert language into permit) . This drip system has been plagued with operational problems since the initial installation. When the pumps would lose prime, the drip system -3- would automatically shut down. The pumps would lose prime because of a design flaws : the pumping distance was too far, the atmospheric pressure was to high, etc . Lightning hits to the control panel put the system out of service . The constractor/installer was fired. The operator, Dave Horton, was killed on the job. The Park Superintendent retired. There are many reasons why this system has never really been operated continuously. 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INTERIOR-GEOLOGICAL S RVEV RE v c I(_' '-35'45'. .. •. N. IR INIA tsee' . ':36fi000m.E, $ °15' - Polyi one projection."1927 North American datum �p 1 MILE - ' '10,000 foot grid based on North Carolina " ps.�0 I rectangular coordinate system .. ' ''sue O 7000 FEET • 1000-meter Universal Transverse Mercator grid ticks, ; 2�A Zone 17,,shown in blue.. METER - - - ILL. ". ROUTES USU T ALLY RAVELED M0. KENTUCKY `� HARD,IMPERVIOUS SURFACES " • �OTHER SURFACE IMPROVEMENTS - , .•, .. - /(19� �'U.S.ROUTE • -,�.- State of North Carol'od • Department of Environment a Natural Re 1 •• •• Divisionnd of Water Qualit Ysources r James B. Hunt, Jr., Governor D E N R Wayne McDevitt, Secretary A. Preston Howard, Jr., P.E., Director 11 `-February 2,-1998_ FEB - 51998 ALAN JEFFREYS F i WATER QUALITY SECTION NC DEHNR/P&R-MOUNT MITCHELL S __ASHURLE_REGiONAL OFFICE t • 12700 BAYLEAF ROAD RALEIGH NC 27609 Subject: Rescission of State Permit �; Permit No. W 0013975, �ump 3 a P- NC DEHNR/P&R-MOUNT MITCHELIS S YANCEY County Dear ALAN JEFFREYS: Reference is made to your request for rescission of the subject State Permit. Staff of the Asheville Regional Office have confirmed that this Permit is no longer required._Therefore, in accordance with your request, State Permit No. WQ0013975_is_rescinded, effe tive °rimed ately- If in the future you wish to again operate a nondischarge wastewater treatment sytem, you must first apply for and receive a new State Permit. Operating a wastewater facility without a valid State Permit will subject the responsible party to a civil penalty of up to $10,000 per day. If it would be helpful to discuss this matter further, I would suggest that you contact Forrest Westall -Water Quality Regional Supervisor, Asheville Regional Office at (704) 251-6208. Sincerel , A. Preston Howard, Jr., P.E. cc: YANCEY County Health Dep ment • Ashev lle=Water-Quality Regibrial-Supervisor=w/aftaehments Non Discharge Branch - Kim Colson Operator Training and Certification Non Discharge Compliance/Enforcement Unit- w/attachments Central Files - w/attachments Fran McPherson, DWQ Budget Office • P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone 919-733-5083 FAX 919-733-9919 An Equal Opportunity Affirmative Action Employer 50% recycled/10%post-consumer paper State of North Carolina 11 Department of Environment, Health and Natural Resources Division of Water QualityA4,71:7A r mes B. Hunt, Jr., Governor .....i...ii.X. ........... la Jonathan B. Howes, Secretary E C I ■ IJ F. A. Preston Howard, Jr., P.E., Director 7 in LP E H W/ 1, 01 July 22, 1996 JULij- 9 JUL 2 6 9 �' • MR. ALAN JEFFREYS NC DFHNR/DTV OF PARKS & RECREATION WATER QUALITY SECTlt.N i 12700 BA.YLEAF CHURCH ROAD _ ASHEVILL REGIONAL OFFICE J RALEIGH, . U"'''> RUi L IG i, i� RI i CA MINA �ivl4 . • Subject: Application No. WQ0012690 Mt. Mitchell State Pk Fac. Spray/Drip Irrigation Yancey County Dear MR. JEFFREYS: The Division's Permits and Engineering Unit acknowledges receipt of your permit application and • supporting materials on July 19, 1.996. This application has been assigned the number listed above. Your project has been assigned to Michael Allen for a detailed engineering review. Should there be any questions concerning your project, the reviewer will contact you with a request for additional information. Be aware that the Division's regional office, copied below, must provide recommendations from the' Regional Supervisor or a Procedure Four Evaluation for this project, prior to final action by the Division. - If you have any questions, please contact Michael Allen at (919) 733-5083 extension 547. If the engineer is unavailable, you may leave a message on their voice mail and they will respond promptly. PLEASE REFER TO THE ABOVE APPLICATION NUMBER WHEN MAKING INQUIRIES ON THIS PROJECT. Sincerely, Carolyn/D. McCaskill • Supervisor, State Engineering Review Group cc: Asheville Regional Office l v,&X/ 1-}ts3E �E Barrett Kays &Associates I}tg- p,-+VIS Ibis. Pollution Prevention Pays P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone 919-733-7015 • An Equal Opportunity Affirmative Action Employer ill (m l'' '' State of North Carolina 1 �. Department of Environment, Health and Natural Resources I Lit JUi_ 6 1H.. i ' Division of Environmental Management Non-Discharge Permit Application Form cr, kA fl h-iii�_izgi,.:ii-Y l.UFF• Ic�, aISq�,RM BE PHOTOCOPIED FOR USEASAN ORIGINAL) c- ',= ASHEVILLE:PUMP, DRIP IRRIGATION DISPOSAL SYSTEMS I. GENERAL INFORMATION: 1. Applicant's name(please specify the name of the municipality,corporation, individual,etc.): --i NCDEI-INR- Division of Parks and Recreation 2. Print Owners or Signing Official's name and title(the person who is legally responsible for the facility and its compliance): Mr. Alan Jeffreys. Park Engineer 3. Mailing Address: 12700 Bayleaf Church Road City: Raleigh State: NC Zip: 27614 Telephone Number: ( 919 ) 846-9991 4. Project Name(subdivision, facility, or establishment name -should be consistent with project name on plans, specifications, letters of flow acceptance, Operational Agreements, etc.): Mt. Mitchell State Park Facility 5. Location of Drip Irrigation Facility(Street Address): Route 5. Box 700 City: Burnsville State: NC • Zip: 28714 _. 6. Latitude: 35°45'30"N ; Longitude 82°16'20"W of Drip Irrigation Facility 7. Contact person who can answer questions about application: Name: Christian Medins . Telephone Number: ( 919 ) 828 - 1903 8. Application Date: September 19. 1995 • 9. Fee Submitted: $ 400 [The permit processing fee should be as specified in 15A NCAC 2H.0205(c)(5).] 10.County(ies)where project is located: Yancey II. PERMIT INFORMATION: * 1. Application No. (will be completed by DEM): 2. Specify whether project is: X new; renewal*; modification *Specify renewals, complete only sections I, II, and applicant signature (on page 7). Submit only pages 1,2, and 9 (original and three copies of each). Engineer's signature not required for renewal without other modifications. 3. If this application is being submitted as a result of a renewal or modification to an existing permit, list the existing permit number and its issue date 4. Specify whether the applicant is X public or private. "Permit use dates:May 1 through October 30. FORM: SIDS 06/94 Page 1 of 8 .II. INFORMATION ON WASTEWATER: 1. Nature of Wastewater: 100 %Domestic; %Commercial; %Industrial; %Other waste(specify): 2. Please provide a one or two work description specifying the origin of the wastewater, such as school, subdivision, hospital, commercial, industrial,apartments,etc.: State Park residences.camping 3. If wastewater is not domestic in nature, what level of pretreatment has been provided to ensure protection of the receiving wastewater treatment facility: 4. Volume of wastewater generated by this project: 1,800 gallons per day 5. Explanation of how the wastewater volume was determined: Based on size of current system 6. Brief project description: The project consists of the installation of a recirculating sand filter and surface applied drip irrigation system to provide for effluent disposal from the existing septic tank/dosing tank; for use from May I to October 30. IV. FACILITY DESIGN CRITERIA FOR SINGLE FAMILY SPRAY IRRIGATION 1. Number of bedrooms:_x 120 GPD per bedroom= gallons(minimum 240 GPD design flow per home). 2. Dimensions of baffled septic tank: ft. by ft. by ft. 3. Volume of baffled septic tank: gallons. 4. Check the categories that apply for the sand filter: surface; subsurface; single; dual; in series; in parallel; recalculating; pressure dosed. 5. a) Primary sand filter dimensions: ft. by ft= square feet. b) Sand filter surface loading rate: GPI per square foot. 6. a) Secondary sand filter dimensions(if applicable) ft. by ft.=square feet. b) Secondary sand filter surface loading rate(if applicable) GPI per square foot. 7. Type of disinfection: Volume of contact tank: gallons;and detention time: minutes 8. Volume of storage provided: gallons; Storage time provided: days NOTE:A minimum of 5 days must be provided in the pump/storage tank. 9. Volume pump tank: gallons;numbers of pumps in pump tank 10.Capacity of pumps in pump tank: GPM 11.Specify which high water alarms have been provided: audible and visual; auto dial FORM: SIDS 06/94 Page 2 of 8 5. Specify the loading rate recommendations as determined by the soils scientist (The Division will consider higher loading rates in the dry months [June 1 - September 30] depending on the soils scientist recommendations). If only one loading rate will be proposed,that rate must be the most restrictive loading rate. Dry Months(June September30)��„•5,;, ( ne 1 - >0.20 GPD/SF Wet Months(October 1 -May 31) 0.20 GPD/SF _.. • 12.Specify the following information for the spray nozzles: psi; GPM 13.Specify the loading rate recommendation,as determined by the soils scientist: inches per hour; inches per week; inches per year 14.Specify the square footage of the wetted irrigation area: square feet, • and the cover crop: 15.Specify the loading rate that will occur on the spray irrigation field: inches per hour; inches per week; inches per year 16.The project must conform to the following buffers(and all other applicable buffers): a) 400 feet between wetted area and any residence under separate ownership; b) 150 feet between wetted area and property lines,200 feet in coastal areas; c) 100 feet between wetted area and a potable well; d) 100 feet between wetted area and drainage ways or surface waters; e) 50 feet between wetted area and public right-of-ways; f) 100 feet between wastewater treatment units and a potable well; g) 50 feet between wastewater treatment units and property lines. 17.If any of the buffers specified in No. IV 16 above are not being met, please explain how the proposed buffers will provide equal or better protection of the Waters of the state with no increased potential for nuisance conditions: • 18.NOTE: If the excavation into bedrock is required for installation of the septic tank or sand filter, the respective pit must be lined with at least a 10 mil synthetic liner. The engineer's signature and seal on this application acknowledges a commitment to meet this requirement. 19.The spray irrigation field must be fenced with a minimum two strand barbed wire fencing. Briefly describe the fencing: • V. FACILITY DESIGN CRITERIA FOR OTHER THAN SINGLE FAMILY SYSTEMS 1. Provide a brief listing of the components of this treatment and disposal system, including dimensions and capacities of tanks, pumping facilities, nozzles, high water alarms, filters, lagoons, package treatment units, disinfection facilities, irrigation system,etc.: 5000 Gal. pump tank with 3200 Gal. emergency storage and recirculating sand filter tied to the existing septic/dosing tank. • Percrite model W30C filter assembly with 2-21-IP pumps each pump l roviding 23 GPM irrigation flow to 2 -zone surface drip irrigation field with 0.44 acres of wetted area. 2. Name of closest downslope surface waters: Beech Nursery Creek 3. Classification of closest downslope surface waters: (as established by the Environmental Management Commission and specified on page 6 of 8 of this application). THIS APPLICATION PACKAGE WILL NOT BE ACCEPTED BY THE DIVISION OF ENVIRONMENTAL MANAGEMENT UNLESS ALL OF THE APPLICABLE ITEMS ARE INCLUDED WITH THE SUBMITTAL a. One original and four copies of the completed and appropriately executed application form. b. The appropriate permit processing fee, in accordance with I5A NCAC 2H.0205(c)(5). c. Five(5)sets of detailed plans and specifications signed and sealed by the North Carolina Professional Engineer. The plans must include a general location map,a topographic map,a site map which indicates where borings or hand auger samples were taken, a map showing the land application site,buffers,structures, and property lines;along with all wells,surface waters(100-year flood elevation),and surface drainage features within 500 feet of the land application site.Each sheet of the plans and the first page of the specifications must by signed and sealed. d. Five(5)copies of an Operational Agreement(original and 4 copies)must be submitted if the wastewater treatment and disposal facilities will be serving single family residences, condominiums,mobile homes, or town houses and if the subject facilities will be owned by the individual residents,a homeowners association,or a developer. e. Five(5)copies of all reports, evaluations,agreements,supporting calculations,etc. must be submitted as a part of the supporting documents which are signed and sealed by the NC Professional Engineer.Although certain portions of this required submittal must be developed by other professionals, inclusion of these materials under the signature and seal of a NC Professional Engineer signifies that he has reviewed this material and has judged it to be consistent with his proposed design. f. Five(5)copies of the existing permit if a renewal or modification. g. For Single Family Systems(a though f above plus g. 1, 2, 3) 1) A letter from the local health department denying the site for any permit that the health department has the authority to issue. 2) A soils scientist report(signed)which describes the soil type,color, texture through the B horizon, and recommended loading rates with supporting calculations. • 3) A signed and notarized Operation and Maintenance Agreement. h. For Other Than Single Family (a through f above plus h. 1, 2, 3, 4, 5, 6) 1) A water balance analysis showing annual amount of wastewater that will need to be applied and the amount of land necessary to receive the wastewater at the given loading rate. Storage requirements must be addressed and supporting calculations provided. 2) A soils scientist report(signed)which includes texture,color,and structure of soils down to a depth of seven feet,depth, thickness and type of any restrictive horizons,hydraulic conductivity in the most restrictive horizon,Cation Exchange Capacity(CEC),depth of seasonal high water table,soil pH, and soils map(if applicable). 3) For systems treating industrial waste or any system with a design flow greater than 25,000 GPD a Hydrogeologic Report providing the extent and lithologic character of the unconfined aquifer, transmissivity and specific yield of the unconfined aquifer,thickness and permeability of the first confining bed,groundwater quality and direction of movement, and an evaluation of impacts of the disposal system on water levels, movement and quality. 4) An agronomist report(signed)which states the type of vegetation that is planned for the spray fields,along with management and harvest schedules. 5) Proposal for groundwater monitoring. 6) An analysis of the wastewater, including heavy metals totals and synthetic organics, along with calculations for the most limiting constituents. FORM: SIDS 06/94 Page 5 of 8 • This form must be completed by the appropriate DEM regional office and included as part of the project submittal information. INSTRUCTIONS TO NC PROFESSIONAL ENGINEER: The classification of the downslope surface waters(the surface waters that any overflow from the facility would flow toward) in which this spry irrigation system will be constructed must be determined by the appropriate DEM regional office. Therefore,you are required, prior to submittal of the application package,to submit this form,with items 1 through 7 completed,to the appropriate Division of Environmental Management Regional Water Quality Supervisor(see page 8 of 8). •At a minimum,you must include an 8.5"by 11"copy of the portion of a 7.5 minute USGS Topographic Map which shows the location of this spray irrigation system and the downslope surface waters in which they will be located. Identify the closed downslope surface waters on the attached map copy. Once the regional office has completed the classification, reincorporate this completed page and the topographic map into the complete application form and submit the application package. 1. Applicant(specify name of the municipality,corporation, individual,etc.): DEHNR Division of Parks and Recreation 2. Name&complete address of engineering firm: Barrett Kays&Associates,P.A. P.O. Box 2979 • 224 Fayetteville Street Mall, Suite 100 Raleigh,NC 27602-2979 Telephone number: ( 919 ) 828-1903 Project Name: Mt.Mitchell State Park Facility Name of closest downslope surface waters: Beech Nursery Creek 5. County(ies)where the spray irrigation system and surface waters are located: Yancey • • 6. Map name and date: Mt. Mitchell Quad 1946 7. NC Professional Engineer's Seal,Signature,and Date: ``%%� it ca.:vt„:„ 444 i�-- I ' J~ e( SEAL `� n 20869 •G ,',NERI(ti ''llllll l l oo TO: REGIONAL WATER QUALITY SUPERVISOR *Faxed to Asheville Regional office on 9/20/95. Please provide me with the classification of the watershed where these sewers will be constructed,as identified on the attached map segment: . Name of surface waters: Classification(as established by the Environmental Management Commission): Proposed classification, if applicable: Signature of regional office personnel: Date: (All attachments must be signed) • FORM: SIDS 06/94 Page 6 of 8 came and Complete Address of Engineering Firm: Barrett Kays&Associates,P.A. P.O. Box 2979,224 Fayetteville Street Mall,Suite 100 City: Raleigh State: NC Zip: 27602-2979 Telephone Number: ( 919 ) 828-1 903 Professional Engineer's Certification: I, Christian Medins ,attest that this application for Mt. Mitchell State Park Facility has been reviewed by me and is accurate and complete to the best of my knowledge. I further attest that to the best of my knowledge the proposed design has been prepared in accordance with the applicable regulations.Although certain portions of this submittal package may have been developed by other professionals, inclusion of these materials under my signature and seal signifies that I have reviewed this material and have judged it to be consistent with the proposed design. North Carolina Professional Engineer's Seal, Signature, and Date: • ,<O 0-41 CAR0 \\\ Q eO�e�C000�se vA ''i •• N 2 9 7,/4A'ER\ ' oo's Applicant's Certification: I, Alan Jeffreys , attest that this application for Mt. Mitchell State Park Facility has been reviewed by m- • ccurate and complete to the best of my knowledge.I understand that if all required parts of this application are not .ii'leted and at if all required supporting information and attachments are not included,this application package will • re ed tl me as i complete. Signatur; „y Date 404/411V. Applicant's Certification: I' ,attest that this application for has been reviewed by me and is accurate and complete to the best of my knowledge. I understand that if all required parts of this application are not completed and that if all required supporting information and attachments are not included,this application package will be returned to me as incomplete. in-hature Date FORM: SIDS 06/94 Page 7 of 8 • • DIVISION OF ENVIRONMENTAL MANAGEMENT REGIONAL OFF ICES (11/93) Asheville Regional gional WQ Supervisor W 59 rt Place Washington Regional WQ Supervisor Raleigh Regional Asheville, NC 28801 Post Office Box 1507Q Supervisor Washington,NC 27889 Post Office Box 27687 (714)251-6208 Raleigh, NC 27611 Fax(704)251-6452 (919)946-6481 Fax (919)975-3716 (919)571-4700 Fax(919)571-4718 Avery Macon Buncombe Madison Beaufort Jones Burke Bertie Lenoir Durham Chatham Nash McDowell Caldwell Mitchell Camden Martin Northampton Cherokee Polk Cho wan Pamlico G be Orange Clay Rutherford Craven Pasquotank Frananklinklin Person Graham Currituck Perquimans Granville Vance Swain DareHalifax Wake Haywood Transylvania Pitt Henderson Gates Tyrell Lee Wilson Johnston Warren Yancy Jackson Greene Washington • Hertford Wayne Hyde Fayetteville Regional WQ Supervisor Wachovia Building, Suite 714 Mooresville Regional WQ Supervisor Wilmington Region. WQ Supervisor 91 Fayetteville,NC 28301 9 North Main Street Mooresville,NC 281 15 127 Cardinal Drive Extension " �)486-1541 Wilmington, NC 28405-3845 (910)486-0707 (704)663-6040 g Fax(704)663-6040 (910)395-3900 Anson Moore Fax(910)350-2004 Bladen Robeson Alexander Mecklenburg Cumberland Cabarrus Rowan Carteret Onslow Hamett Sampson Catawba Stanly Hoke Gaston Union Columbus Fender Scotland Iredell Duplin Montgomery Cleveland Lincoln Winston-Salem Regional WQ Supervisor 8025 North Point Boulevard, Suite 100 Winston-Salem, NC 27106 (910)896-7007 Fax(910)896-7005 Alamance Rockingham Alleghany Randolph Ashe Stokes ,_.aswell Surry Davidson Watauga )avie Wilkes 'orsyth Yadkin Milford DRIVE SIDS 06/94 Page 8 of 8 SOC PRIORITY PROJECT: YES NO XX IF YES, SOC NUMBER None TO: PERMITS AND ENGINEERING UNIT WATER QUALITY SECTION ATTENTION: Ray Cox DATE: November 3 , 1995 NON-DISCHARGE STAFF REPORT AND RECOMMENDATION COUNTY Buncombe PERMIT NUMBER WQ11580 PARTI -GENERAL INFORMATION 1 . Facility and Address : ,Mount Mitchell State Park Route 5 Box 700 Burnsville, N. C. 28714 2 . Date of Investigation: October 19, 1995 3 . Report Prepared By: Max L. Haner 4 . Persons Contacted and Telephone Number: Dave Horton Maintenance Supt (704) 675-4611 5 . Directions to Site : Proposed site is located adjacent to NC Hwy 128, approximately 4 . 5 miles north of its intersection with the Blue Ridge Pkwy on the Yancey County - Buncombe County Line . The proposed site is in Yancey County. 6 . Size (land available for expansion and upgrading) : Adequate Page 1 • 7 . Topography (relationship to 100 year flood plain included) : Not in Flood Plain - Relatively Steep Slope Attach a U. S .G.S . map extract and indicate facility site . U. S.G. S. Quad No. D9SE U. S .G. S . Quad Name Mt Mitchell, NC Latitude :35° 45 ' 35" Longitude : 82° 16 ' 20" 8 . Any buffer conflicts with location of nearest dwelling and water supply well? Yes No _X If Yes, explain: 9 . Watershed Stream Basin Information: Beech Nursery Creek (Nearest Stream) a. Watershed Classification: oWS-IIo b. River Basin and Subbasin. No. : French Broad, 040307 c . Distance to surface water from disposal system: est 1800 feet PART II - DESCRIPTION OF WASTES AND TREATMENT WORKS 1 . a. Volume : 0 . 0018 MGD (Design Capacity) Residuals : tons per year b. Types and quantities of industrial wastewater: None c . Pretreatment Program (POTWs only) : N/A in development approved should be required not needed 2 . Treatment Facilities : a. What is the current permitted capacity of the facility? b. What is the actual treatment capacity of the current facility (design volume) ? c . Please provide a description of existing or substantially constructed wastewater treatment facilities : Page 2 d. Please provide a description of proposed wastewater treatment facilities: The proposed facility will make use of the existing septic tank previously installed with approval of the Yancey County Health Department and will replace the existing nitrification field part of this system during the period beginning May 1 and ending the end of October of each year with a 5.0 gpd/sq ft recirculating sand filter (with liner), a 5,000 gallon capacity pump tank for recirculation and storage, and a surface drip irrigation system designed to allow no discharge to surface waters. The existing septic tank - nitrification field will be in use during the off season (November thru February). 3. Residuals handling and utilization/disposal scheme: Septic tank pumping company under control of Yancey County Health Department a. If Residuals are being land applied, please specify DEM Permit Number Residual Contractor Telephone Number b. Residuals stabilization: PSRP PFRP OTHER c. Landfill: d. Other disposal/utilization scheme (Specify): 4. Treatment plant classification (attach completed rating sheet): I 5. SIC Code(s): 4952? Wastewater Code(s) of actual wastewater, not particular facilities i.e., non-contact cooling water discharge from a metal plating company would be 14, not 56. Primary: 13 Secondary: Main Treatment Unit Code: 45003 Page 3 PART III - OTHER PERTINENT INFORMATION 1 . Is this facility being constructed with Construction Grant funds (municipals only) ? No 2 . Special monitoring requests : none 3 . Important SOC, JOC or Compliance Schedule dates : (Please indicate) Date Submission of Plans and Specifications Begin Construction Complete Construction 4. Other Special Items: PART IV - EVALUATION AND RECOMMENDATIONS The plans and specifications attached to the application provides for a lined, surface sand filter covered with stone with gravity flow into a 5, 000 gallon wet well/storage tank for distribution onto a drip irrigation field. A cursory review shows items which should be addressed or modified. The plans should be revised prior to final ARO approval. The cursory review shows that no distribution system for the surface sand filter is provided. Also, the filter system for the pumps (with backwash) is not shown on the plans .Our initial thoughts would be that if the filters are to prevent clogging of the 0 . 61 gph irrigation emitter, experience has shown that it may be better design to eliminate the filters and backwash system in favor of a higher rated emitter which is unlikely to clog. Finally, even though the design of the recirculating surface sand filter is somewhat radical (non rectangular) , it should perform as intended as long as it is modified to provide at least 9 cubic feet of sand per foot length. Current calculations show the existing design to provide only 8 cubic feet of sand per foot length. This modification would be consiste t' with normal sand filter design criteria provided in t ,- general ermit guidance for single family residence fac . l . ties . 10( ature of t reparer Wat r Quality Regional Supervisor Date Page 4 fir_ . • RATING SCALE FOR CLASSIFICATION OF WATER POLLUTION CONTROL SYSTEMS ie of Facility: WVf t LLt(( SrAT.0 P 'C Owner or Contact Person: Sh 1, S h Mailing Address: RT5 , '3oo "cc — cup soCLL, dot ZS7/it County: y4/XV Y Telephone: (74'4 ) 6?S- 44/r Present Classification: New Facility V Existing Facility NPDES Per. No. NCO() Nondisc. Per. No.WQ //Sett Health Dept.Per No._ Rated by: WI- F4 Telephone: (704-)61.51 0408 Date: /;-3 -?5 Reviewed by: Health Dept. Telephone: 'Icily' d 1 grrtw 4 Regional Office Telephone: >Qy-2_1/-6to Central Office Telephone: • ORC: Grade: Telephone: Check Classification(s): Sub Spray Irrigation Land Application Wastewater Classification: (Circle On ) I II III IV Total Points: /5 iN-PiANT PROCFSSFS AND RFIATED CONTROL FOUIPMFNT WHICH-f ARF AN INTFGRAI PART OF INDUSTRIAL PRODI 1C;T►CN SHA1 I NOT RF CONSIDERED WASTE TREATMENT FCRTHE PURPOSE OF CLASSIFICATION.ALSO SEPTIC TANK SYSTBMS CONSISTING Cf\ILY OF SEPTIC TANK AND GRAVITY NITRIFICATION LINES ARE IXEMPT FROM CLASSIFICATiOfN1, SUBSURFACE CLASSIFICATION SPRAY lPFW AT3NCLASSIFICATION (check all units that apply) (check all units that apply) 1. septic tanks 1. preliminary treatment (definition no. 32 ) pump tanks 2. lagoons siphon or pump-dosing systems 3. septic tanks 4. • sand filters 4. pump tanks 5. grease trap/interceptor 5. pumps 6 oil/water separators 6_ sand filters 7. gravity subsurface treatment and disposal: 7, ,grease trap/interceptor • 8. pressure subsurface treatment and disposal: 8. oil/water separators - 9. disinfection 10. chemical addition for nutrient/algae control 11. spray irrigation of wastewater In addition to the . above classifications, pretreatment . of wastewater in excess of these components shall be rated using the point rating system and will require an operator with. an appropriate dual certification. LAND APPLICATION/RESIDUALS CLASSIFICATION(Applies only to permit holder) • 1. Land application of biosolids, residuals or contaminated soils on a designated site. WASTEWATER TREATMENT FACILITY CLASSIFICATION . The following systems shall be assigned a Class (.classification,finless the flow is of a significant quantity or the technology is unusually complex,to require consideration by the Commission on a case-by-case basis: (Check if Appropriate) 1. . OiUwater Separator Systems consisting only of physical separation, pumps and disposal; 2. Septic Tank/Sand Fitter Systems consisting only of septic tanks, dosing apparatus, pumps,sand fitters, disinfection and direct discharge; . . 3. Lagoon Systems consisting only of preliminary treatment, lagoons, pumps, disinfection, necessary chemical treatment for algae or nutrient control, and direct discharge; ._ 4. Closed-loop Recycle Systems; -- . . 5. Groundwater Remediation Systems consisting only of oit/water separators, pumps, air-stripping, carbon adsorption, disinfection and disposal; . 1 _Aquacutture operations with discharge to surface waters; • . - 7. Water Plant sludge handling and back-wash water treatment; 8. Seafood processing consisting of screening and disposal. 9. Single-family discharging systems, with the exception of Aerobic Treatment Units, will be classified if permitted after July 1, 1993 or if upon inspection by the Division, it is found that the system is not being adequately operated or maintained. Such systems will be notified of the classification or reclassification•by the Commission, in writing. • • 'i he following scale is used fc ,.,ting wastewater treatment facilities , -cle appropriate points) fTEM POINTS (1) Industrial Pretreatment units or Industrial Pretreatment Program (see definition No.33) • 4 (2) DESIGN FLOW OF PLANT IN gpd[not applicable to non-contaminated cooling waters,sludge handling facilities for water purification plants,totally closed cycle systems(see definition No. 11), and facilities consisting only of Item (4)(d) or Items (4)(d) and (11)(d)) • 0 - 20,000 - 1 . 20,001 - 50,000 2 50,001 - 100,000 -3 100,001 - 250,000 , 4 250,001 - 500,000 - S 500,001 - 1,000,000 .8 1,000,001 - 2,000.000 10 • 2,000.001 (and up) rate i point additional for each 200,003 gpd capacity up to a maximum of 30 Design Flow (gpd) (3) PRELIMINARY UNITS/PROCESSES(see definition No.32) . (a) Bar Screens 1 - or • (b) Mechanical Screens. Static Screens or Comminuting Devices 2 (c) Grit Removal 1 or (d) Mechanical or Aerated ark Removal 2 . (e) Flow Measuring Device 1 or • (I) Instrumented Flow Measurement 2 (g) Preaeratlon 2 ' (h) Influent Flow Equalization 2 (i) Grease or Oil Separators - Gravity 2 Mechanical .3 Dissolved Air Flotation .8 (I) Prechlorinatlon 5 (4) PRIMARYTREATMBSff t.NITS!PROCF.cSES (a) Septic Tank (see definition No. 43) 2 (b) Imhoff Tank. .5 (c) Primary Clarifiers .5 (d) Settling Ponds or Settling Tanks for Inorganic Non-toxic Materials (sludge handling facilities for water purification plants,sand,gravel,stone, and other mining operations except recreational activities such as gem or gold mining) • 2 (5) SECONDARY TREATMENT WITS/PROCESSES (a) Carbonaceous Stage (I) Aeration-High Purity Oxygen System 20 Diffused Air System • 1 0 Mechanical Air System (fixed. floating or rotor) .8 Separate Sludge Reaerailon 2 (II) • Trickling Filter High Rate 7 Standard Rate • 5 Packed Tower .5 (ill) Biological Aerated Filler or Aerated Biological Filter 10 (Iv) Aerated Lagoons .„ - 10 (v) Rotating Biological Contactors 10 (vi) Sand Filters -intermittent biological 2 Recirculating biological .3 ' (vi1) Stabilization Lagoons .5 (vili) Clarifier .5 (Ix) Single stage system for combined carbonaceous removal of BUD and nitrogenous removal by nitrification (see definition No. 12)(Points for this item have to be in addition to items ' -(5)(a)(1).through (5)(a)(vlil). ' utilizing the extended aeration process(see definition No.3a) • 2 utilizing-other than the extended aeration process 8 (x) Nutrient additions to enhance BOD removal 5 (xi) Biological Culture ('Super Bugs')addition 5 (b) Nitrogenous Stage ' - (I) Aeration - High Purity Oxygen System .20 Diffused Air System 1 0 Mechanical Air System (fixed, floating or rotor)..... ..._......, .8 Separate Sludge Reaeration .3 • (II) Trickling Filter-High Rate ._ 7 Standard Rate 5 Packed Tower 5 (III) Biological Aerated Filter or Aerated Biological Filler 1 0 (iv) Rotating Biological Contactors 10 (v) Sand Fitter-IntemtitterX biological 2 Recirculating bloldglcal .3 (v1) Clarifier _ 5 (6) TERTiAF(YOR ADVANCED TREATMENT IAN11;SPROCESSES (a) Activated Carbon Beds- without'carbon regeneration ' S with carbon regeneration 15 ' ' (b) Powdered or Granular Activated Carbon Feed- ' . • without carbon- regeneration' S • with carbon regeneration 1 5 - . (c) Alr stripping 5 (d) Denitritication Process 1 0 (e) Electrodlalysls-- .5 • • (i) Foam Separation. .5 (0) Ion Exchange * .5 • • (h) Land Application of Treated Effluent (see definition No.22b) (not applicable for sand,gravel, stone and other similar mining operations) by high rate Infiltration 4 . (I) Microscreens 5 (I) Phosphorous Removal by Biological Processes(See definition No.26) 20 (k) • Polishing Ponds - without aeration N 2 • • - (I) Post Aeration - c , _e 0 - diffused or mechanical 2 . (m) Reverse Osmosis 5 (n) Sand or Mixed-Media Filters - low rate 2 high rate 5 (0) Treatment procrksses for removal of metal or cyanide 1 5 • (p) treatment processes for removal of toxic materials other than metal or cyanide 1 5 (7) SWDGETREATMENT ' (a) Sludge Digestion Tank - Heated (anaerobic) 10 Aerobic 5 Unheated (anaerobic) 3 (b) Sludge Stabilization(chemical or thermal) • .5 (c) Sludge Drying Beds-Gravity 2 Vacuum Assisted • 5 (d) Sludge Elutriation -5 (e) Sludge Conditioner (chemical or thermal) -55 (I) Sludge Thickener (gravity) 5 (g) Dissolved Air Rotation Unit [not applicable to a unit rated as (3)(i)] 8 (h) • Sludge Gas Utilization (including gas storage) 2 (I) • Sludge Holding Tank - Aerated .5 Non-aerated 2 (I) Sludge Incinerator(riot Including activated carbon regeneration) 10 (k) Vacuum Filter, Centrifuge, or Fitter Press or other similar dewatering devices 1 0 (8) RESIDUALS UTILIZATION/DISPOSAL(inducing incinerated ash) (a) . Lagoons 2 (b) Land Application (surface and subsurface) (see definition 22a) - - by contracting to a land application operator or landfill operator who holds the land application permit or landfill permit 2 (c) Dedicated Lanffill(burial) by the permittee of the wastewater treatment facility 5 (9) DtS\FECTION (a) Chlorination • .5 (b) Dechlorination .5 (c) Ozone .5 (d) Radiation 5 (10) CHEMICAL ADDITION SYSTEM(S)(see definition No.9)[not applicable to chemical additions rated as Item(3)a). (5)(a)(xi), (6)(a), (6)(b), (7)(b), (7)(e), (9a), (9)(b) or (9)(c) 5 points each: List .5 5 .5 .5 (1 1) MISCELLANEOUS UNIfS/PI DCF S • (a) Holding Ponds.Holding Tanks or Settling Ponds for Organic or Toxic Materials Including wastes from mining or containing nitrogen or phosphorus compounds In amounts significantly greater than Is common for domestic wastewater 4 (b) Effluent Row Equalization(not applicable to storage basins which are inherent In land application systems) 2 (c) Stage Discharge (not applicable to storage basins Inherent In land application systems) 5 / (d) Pumps 3 if- • (e) Stand-By Power Supply 3 (f) Thermal Pollution Control Device 3 TOTAL POINTS C(ASSiFICATION 15 Class I 5-25 Points Class II • 26-50 Points Class III 51-65 Points Class lV 66-Up Points Facilities having a rating of one through four points,Inclusive,do not require a certified operator. Facilities having an activated sludge process will be assigned a minimum classification of Class II. Facilities having treatment processes for the removal of metal or cyanide will be assigned a minimum classification of Class II. , Facilities having treatment processes for the biological removal of phosphorus will be assigned a minimum classification of Class III. .0004 DEFINITIONS . The following definitions shall apply throughout this Subchapter. (1)Activated Carbon Beds. A physical/chemical method for reducing soluble organic material from wastewater effluent;The column-type beds used in this method will have a flow rate varying from two to eight gallons per minute per square foot and may be either upflow or downllow carbon beds. Carbon may or may not be regenerated on the wastewater treatment plant site; (2)Aerated Lagoons. A basin In which all solids are maintained In suspension and by which biological oxidation or organic matter is reduced through artificially accelerated transfer of oxygen on a flow-through basis; (3)Aeration. A process of bringing about Intimate contact between air or high purity-oxygen in a liquid by spraying, agitation or diffuslon;(3a) Extended ' Aeration. An activated sludge process utilizing a minimum hydraulic detention time of 18 hours. . (4)Agriculturally managed site. Any site on which a crop is produced, managed,and harvested (Crop Includes grasses, grains,trees, etc.); (5)Air Stripping. A process by which the ammonium Ion is first converted to dissolved ammonia(pH adjustment)with the ammonia then released to the atmosphere by physical means;or other similar processes which remove petroleum products such as benzene,toluene,and xylene;. '"carbon Regeneration. The regeneration of exhausted carbon by the use of a furnace to provide extremely high temperatures which volatilize and oxidize the Drbed Impurities; . Carbonaceous Stage. A stage of wastewater treatment designed to achieve 'secondary'effluent limits; (8) Centrifuge. A mechanical device in which centrifugal force Is used to separate solids from liquids or to separate liquids of different densities; (9) Chemical Addition Systems-The addition of chemical(s)to wastewater at an application point for purposes of improving solids removal,pH adjustment, • alkalinity control.etc.;the capability to experiment with different chemicals and different application points to achieve a specific result will be considered one system;the capability to add chemical(s)to dual units will be rated as one system;rapabillry to add a chemical at a different application points for different purposes will result In the systems being rated as separate systems; • (10) Chemical Sludge Conditioning. The addition of a chemical compound such as lime,ferric chloride,or a polymer to wet sludge to coalesce the mass prior to its application to a dewalering device; (11) Closed Cycle Systems. Use of holding ponds or holding tanks for containment of wastewater containing inorganic, non-toxic materials from sand.gravel. crushed stone or other similar operations. Such systems shall cany a maximum of two points regardless of pumping facilities or any other appurtenances: ftot r.....u-...a o,.,.....,al,J ra.r.,.na,-annc Roil a.vi NBrrveamuc Pamnval hc,Nilrif ication-A rJmin alane cvclan,ranulrnd to achieve rwrmil affluent limits on BOD • (15) Electrodiaiysis. Process for removing Ionized salts from water through the use of ion-selective Ion-exchange membranes; (16)Filter Press. A process operated mechanically for partially dewatering sludge; (17) Foam Separation. The planned frothing of wastewater or wastewater effluent as a means of removing excessive amounts of detergent materials through the introduction of air In the form of fine bubbles; also called foam fractionation; Oa) Grit Removal. The process of removing grit and other heavy mineral matter from wastewater; (19) Imhoff Tank. A deep two story wastewater tank consisting of an upper sedimentation chamber and a lower sludge digestion chamber. (20) Instrumented Flow Measurement. A device which Indicates and records rate of flow; (21) Ion Exchange. A chemical process in which ions from two different molecules are exchanged; (22) Land application: (a) Sludge Disposal. A final sludge disposal method by which wet sludge may be applied to land either by spraying on the surface or by subsurface injection (I.e., chisel plow);(not applicable for types of sludge described In (11) of this Rule); (b)Treated Effluent. The process of spraying treated wastewater onto a land area or other methods of application of wastewater onto a land area as a means of final disposal or treatment; • (23)Microscreen. A low speed, continuously back-washed, rotating drum fitter operating under gravity conditions as a polishing method for removing suspended solids from effluent; (24) Nitrification Process. The biochemical conversion of unoxidized nitrogen(ammonia and organic nitrogen)to oxidized nitrogen (usually nitrate); (25) Nitrogenous Stage. A separate stage of wastewater treatment designed for the specific purpose of converting ammonia nitrogen to nitrate nitrogen; (26) Phosphate Removal, Biological. The removal of phosphorus from wastewater by an oxidanoxic process designed to enhance luxury uptake of phosphorus by the microorganisms; (27) Polishing Pond. A holding pond following secondary treatment with sufficient detention time to allow settling of finely suspended solids; (28) Post Aeration. Aeration following conventional secondary treatment units to Increase effluent D.O.or for any other purpose; (29) Post Aeration. (Cascade) A polishing method by which dissolved oxygen is added to the'effluent by a nonmechanical,gravity means of flowing down a series of steps or weirs; The flow occurring across the steps or weirs moves in a fairly thin layer and the operation of the cascade requires no operator adjustment;thus, zero points are assigned even though this is an essential step to meeting the limits of the discharge permit;- (30) Powdered to Granular Activated Carbon Feed. A biophysical carbon process that utilizes biological activity and organic absorption by using powdered or granular activated carbon; Virgin or regenerated carbon is feed controlled Into the system; (31) Preaeration. A tank constructed to provide aeration prior to primary treatment; (32) Preliminary Units. Unit operations in the treatment process,such as-screening and comminution, that prepare the liquor for subsequent major operations; (33) Industrial Pretreatment. (a) Pre-treatment Unit, Industrial. The conditioning of a waste at its source before discharge, to remove or to neutralize substances injurious to sewers and treatment processes or to effect a partial reduction in load on the treatment process which is operated by the same governing body as the wastewater treatment plant being rated; b) Pre-treatment Program, Industrial-must be a State or EPA required program to receive points on the rating sheet; (34) Primary Clarifiers. The first settling tanks through which wastewater is passed In a treatment works for the purpose of removing settleable and suspended solids and BOD which is associated with the solids; (35) Pumps. All Influent, effluent and in-plant pumps; • (36) Radiation. Disinfection or sterilization process utilizing devices emitting ultraviolet or gamma rays; (37)Reverse Osmosis. A treatment process in which a heavy contaminated liquid Is pressurized through a membrane forming nearly pure liquid free from suspended solids; (38) Rotating Biological Contractors. A fixed biological growth process In which wastewater flows through tanks In which a series of partially submerged circular surfaces are rotated; (39)Sand Filters: (a) Intermittent Biological. Filtration of effluent following septic tanks, lagoons,or some other treatment process in which further biodecomposltion is expected to produce desired effluents;Hydraulic loading rates on these filters are computed In gpolac and have a resulting low gpn /sf(less than one); b) Recirculating biological-the same type of sand filter as defined in Subparagraph(39) (a)of this Rule with the added capability to recycle effluent back through the sand filter, (40)Sand or Mixed-Media Filters.A polishing process by which effluent limits are achieved through a further reduction of suspended solids; (a) low rate—gravity, hydraulically loaded filter with loading rates in the one to three gpm/sf range; (b)high rate—a pressure,hydraulically loaded filter with loading rates In the five gpnl/sf range;At any rate,the loading rate will exceed three gpn✓sf; (41)Secondary Clarifiers. A tank which follows the biological unit of treatment plant and which has the purpose of removing sludges associated with the biological treatment units; (42)Separate Sludge Reaeratlon. A part of the contact stabilization process where the activated sludge is transferred to a tank and aerated before returning it to the contact basin; - (43) Septic Tank. A single-story settling tank in which settled sludge Is in contact with the wastewater flowing through the tank; shall not be applicable for septic tank systems serving single family residences having capacity of 2,000 gallons or less which discharge to a nitrification field; (4-4)Sludge Digestion. The process by which organic or volatile matter and sludge is gasified,liquefied,mineralized or converted into more stable organic matter through the activity of living organisms,which Includes aerated holding tanks; (45)Sludge Drying Beds. An area comprising natural or artificial layers of porous materials upon which digested sewage sludge is dried by drainage and evaporation; - (46)Sludge Elutriation. A process of sludge conditioning in which certain constituents are removed by successive washings with fresh water or plant effluent; (47)Sludge Gas Utilization. The process of using sewage gas for the purpose of heating buildings,driving engines,etc.; • (48) Sludge Holding Tank(Aerated and Nonaerated). A tank utilized for small wastewater treatment plants not containing a digester In which sludge may be kept fresh,and supematant withdrawn prior to a drying method(I.e.sludge drying beds);This may be done by adding a small amount of air simply to keep the sludge fresh, but not necessarily an amount that would be required to achieve stabilization of organic matter. A nonaerated tank would simply be used to decant sludge prior to dewatering and would not allow long periods (several days of detention) without resulting odor problems; (49)Sludge Incinerators. A furnace designed to bum-sludge and to remove all moisture and combustible materials and reduce the sludge to a sterile ash; (50)Sludge Stabilization(Chemical or Thermal). A process to make treated sludge less odorous and putrescble,and to reduce the pathogenic organism content;This may be done by pH adjustment, chlorine dosing, or by heat treatment; (51) Sludge Thickener. A type of sedimentation tank In which the sludge is permitted to settle and thicken through agitation and gravity; (52)Stabilization Lagoon. A type of oxidation lagoon in which biological oxidation of organic matter is effected by natural transfer of oxygen to the water from air (not a polishing pond); (53) Stand-By Power Supply. On site or portable electrical generating equipment; (54)Static Screens. A stationary screen designed to remove solids,Including non-biodegradable particulate (floatable solids,suspended solids and BOD reduction) from municipal and industrial wastewater treatment systems; (55)Tertiary Treatment. A stage of treatment following secondary which is primarily for the purpose of effluent polishing;A settling lagoon or sand or coal filter might be employed for this purpose; (56)Thermal Pollution Control Device. A device providing for the transfer of heat from a fluid flowing In tubes to another fluid outside the tubes,or vice versa; or other means of regulating liquid temperatures; • (57)Thermal Sludge Conditioner. A conditioning process by which heat Is added for a protracted period of time to Improve the dewaterabillty of sludge by the solublllzing and hydraulizing of the smaller and more highly hydrated sludge particles; -- (58)Toxic Materials. Those wastes or combinations of wastes,Including disease-causing agents which atter discharge and upon exposure, Ingestion,Inhalation or assimilation into any organism,either directly from the environment or indirectly by iigestion through food chains,will cause death,disease,behavioral abnormalities, cancer,genetic mutations,physloiogical.malfunctions (Including malfunctions In reproduction) or physical deformations, In such organisms or their offspring;Toxic.materials Include,by way of Illustration and not limitation:lead,cadmium,chromium,mercury,vanadium,arsenic,zinc,ortho-nitro-cNorobenzene (ONCB),polychlorinated biphenyls(PCBs)and dichlorodiphenyl trichioroethane(DDT);and any other materials that have or may hereafter be determined to have toxic properties; (59)Trickling Fitter. A biological treatment unit consisting of a material such as broken stone or rock over which wastewater Is distributed;A high rate trickling . filter Is one which operated at between 10 and 30 mgd per acre. A low rate trickling filler Is one which is designed to operate at one to tour mgd per acre; . (60)Trickling Filler(Packed Tower). A plug flow type of operation In which wastewater flows down through successive layers of media or filtrate material;Organic material Is removed continually by the active bic I fixed growth In each successive layer. This method m duce'secondary quality effluent,or may be adapted to produce a nitrified effluent; (61)Vacuum Filter,Centrifuges,or Filter Pressa...- which are designed to remove excess water from_..._=digested or undigested sludge prior to disposal or further treatment.