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HomeMy WebLinkAbout20031447 Ver 1_Complete File_20030112If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e., Donation of Property, Conservation Easement, Riparian Buffer Restoration / Enhancement, Preservation or Payment into the Riparian Buffer Restoration Fund). Please attach all appropriate information as identified within 15A NCAC 2B .0242 or .0260. XI. Stormwater (required by DWQ) Describe impervious acreage (both existing and proposed) versus total acreage on the site. Discuss stormwater controls proposed in order to protect surface waters and wetlands downstream from the property. N/A XII. Sewage Disposal (required by DWQ) Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of wastewater generated from the proposed project, or available capacity of the subject facility. Wastewater to be treated at City of Oxford WWTF. No new flows will result from the proposed project XIII. Violations (required by DWQ) Is this site in violation of DWQ Wetland Rules (15A NCAC 2H.0500) or any Buffer Rules? Yes ? No Is this an after-the-fact permit application? Yes ? No XIV. Other Circumstances (Optional): It is the applicant's responsibility to submit the application sufficiently in advance of desired construction dates to allow processing time for these permits. However, an applicant may choose to list constraints associated with construction or sequencing that may impose limits on work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and Threatened Species, accessibility problems, or other issues outside of the applicant's control). Portions of the existing outfall to be replaced are located within Zones 1 & 2 buffer areas. Since the existing use of the impacted areas will not change (sewer outfall), replacement of the outfall is exempt from the buffer rules. L-:,' '.1-;7 -a Applicant/Agent's Signature Date (Agent's signature is valid only if an authorization letter from the applicant is provided.) Page 12 of 12 ?QF WATI Michael F. Easley, Governor William G. Ross Jr., Secretary O 61 North Carolina Department of Environment and Natural Resources j Alan W. Klimek, P. E. Director -1 Division of Water Quality Coleen H. Sullins, Deputy Director Division of Water Quality December 8, 2003 DWQ Project No. 03-1447 Granville County Page 1 of 2 City of Oxford PO Box 1307 Oxford, NC 27565 Subject Property: Foundry Branch Outfall Rehabilitation, Sunset Ave. & Ivey Day Rd., Oxford, NC UT to Foundry Branch [03-03-01, 28-11-2, C NSW (Nutrient Sensitive Water) APPROVAL of 401 Water Quality Certification and AUTHORIZATION CERTIFICATE per the Tar-Pamlico River Buffer Protection Rules (15A NCAC 213 .0259) with ADDITIONAL CONDITIONS To Whom It May Concern: You have our approval, in accordance with the attached conditions and those listed below, to place fill within or otherwise impact 20 feet of streams and 12,832 square feet (ft2) (or 0.29 acres) of protected riparian buffers for the purpose of replacing an existing sewer line at the subject property, as described within your application dated October 27, 2003. After reviewing your application, we have decided that the impacts are covered by the N.C. Division of Water Quality (DWQ) General Water Quality Certification Number(s) 3374 (GC3374). The Certification(s) allows you to use Nationwide Permit(s) 12 when issued by the US Army Corps of Engineers (USACE). This letter shall also act as your approved Authorization Certificate for impacts to the protected riparian buffers per 15A NCAC 213.0259. In addition, you should obtain or otherwise comply with any other required federal, state or local permits before you go ahead with your project including (but not limited to) Erosion and Sediment Control and Non-discharge regulations. Also, this approval will expire when the accompanying 404 permit expires unless otherwise specified in the General Certification. This approval is only valid for the purpose and design that you described in your application. If you change your project, you must notify us and you may be required to send us a new application. If the property is sold, the new owner must be given a copy of this Certification and approval letter and is thereby responsible for complying with all conditions. If total fills for this project (now or in the future) exceed one acre of wetland or 150 linear feet of stream, compensatory mitigation may be required as described in 15A NCAC 2H .0506 (h). For this approval to be valid, you must follow the conditions listed in the attached certification and any additional conditions listed below. Conditions: 1. Erosion & Sediment Control Practices'- Erosion and sediment control practices must be in full compliance with all specifications governing the proper design, installation and operation and maintenance of such Best Management Practices in order to protect surface waters standards: a. The erosion and sediment control measures for the project must be designed, installed, operated, and maintained in accordance with the most recent version of the North Carolina Sediment and Erosion Control Planning and Design Manual. b. The design, installation, operation, and maintenance of the sediment and erosion control measures must be such that they equal, or exceed, the requirements specified in the most recent version of the North Carolina Sediment and Erosion Control Manual. The devices shall be maintained on all construction sites, borrow sites, and waste pile (spoil) projects, including contractor-owned or leased borrow pits associated with the project. c. For borrow pit sites, the erosion and sediment control measures must be designed, installed, operated, and maintained in accordance with the most recent version of the North Carolina Surface Mining Manual. d. The reclamation measures and implementation must comply with the reclamation in accordance with the requirements of the Sedimentation Pollution Control Act. North Carolina Division of Water Quality, WETLANDS / 401 UNIT 2321 Crabtree Blvd., Raleigh, NC 27604-2260 (Location) 1650 Mail Service Center, Raleigh, NC 27699-1650 (Mailing Address) 919-733-1786 (phone), 919-733-6893 (fax), http://h2o.enr.state.nc.us/ncwetlands City of Oxford Page 2 of 2 December 8, 2003 2. No Waste, Spoil, Solids, or Fill of Any - No waste, spoil, solids, or fill of any kind shall occur in-wetlands, waters, or riparian areas beyond the footprint of the impacts depicted in the Preconstruction Notice Application. All construction activities, including the design, installation, operation, and maintenance of sediment and erosion control Best Management Practices, shall be performed so that no violations of state water quality standards, statutes, or rules occur. 3. No Sediment & Erosion Control Measures w/n Wetlands or Waters - Sediment and erosion control measures shall not be placed in wetlands or waters to the maximum extent practicable. If placement of sediment and erosion control devices in wetlands and waters is unavoidable, they shall be removed and the natural grade restored within six months of the date that the Division of Land Resources has released the project. 4. Certificate of Completion - Upon completion of all work approved within the 401 Water Quality Certification or applicable Buffer Rules, and any subsequent modifications, the applicant is required to return the attached certificate of completion to the 401/Wetlands Unit, North Carolina Division of Water Quality, 1650 Mail Service Center, Raleigh, NC, 27699-1650. 5. Sewer Systems - The project shall comply with 15A NCAC 2H .0219(i)(2)(G) and all other State, Federal and local sewer system regulations. 6. Water Quality Certification(s) -The proposed project must comply with all of the conditions of General Water Quality Certification(s) (GC) 3374. Violations of any condition herein set forth may result in revocation of this Certification and may result in criminal and/or civil penalties. This Certification shall become null and void unless the above conditions are made conditions of the Federal 404 and/or coastal Area Management Act Permit. This Certification shall expire upon expiration of the 404 or CAMA permit. If you do not accept any of the conditions of this Certification (associated with the approved wetland or stream impacts), you may ask for an adjudicatory hearing. You must act within 60 days of the date that you receive this letter. To ask for a hearing, send a written petition, which conforms to Chapter 150B of the North Carolina General Statutes to the Office of Administrative Hearings, P.O. Box 27447, Raleigh, N.C. 27611-7447. This certification and its conditions are final and binding unless you ask for a hearing. Any disputes over determinations regarding this Authorization Certificate (associated with the approved buffer.impacts) shall be referred in writing to the Director for a decision. The Director's decision is subject to review as provided in Articles 3 and 4 of G.S. 150B. This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water Act and the Tar- Pamlico riparian buffer protection rule as described within 15A NCAC 2B.0259., If you have any questions, please telephone John Dorney at 919-733-9646 or Bob Zarzecki at 919-733-9726. Sincerely, limek, E., D Q, Director Attachments: Certificate of Completion GC 3374 Cc: Ben Palmer, Davis-Martin-Powell & Associates, Inc., 218 Gatewood Avenue, Suite 102, High Point, NC 27262 USACE Raleigh Regulatory Field Office DWQ Raleigh Regional Office DLR Raleigh Regional Office File Copy Central Files DWQ # 031447 - Date: December 8, 2003 bz - DAVIS - MARTIN - POWELL & ASSOCIATES, INC. ENGINEERING • LAND PLANNING • SURVEYING 218 GATEWOOD AVENUE • SUITE 102 - HIGH POINT, NC 27262 PHONE (336) 886-4821 • FAX (336) 886-4458 Division of Water Quality 401 /Wetlands Unit 1650 Mail Service Center Raleigh, North Carolina 27699-1650 Dear Sir/Madam: November 7, 2003 Re: City of Oxford, NC Foundry Branch Outfall Sewer System Rehabilitation DMP Project E-3477 (BF) Buffer Rule Approval WETLANDS/ 401 GROUP NOV 1 2 2003 VVA"Ek QUALITY SECTION On behalf of the City of Oxford, and in regards to the referenced project we are enclosing the following information for your review and approval: • Seven (7) executed Pre-Construction Notification forms • Seven (7) sets of construction plans & supporting information The proposed project will involve the direct replacement of approximately 2,200 linear feet of sanitary sewer outfall in the northwestern portion of Oxford (Sunset Street to Phocian Street). Portions of the project will be located within areas of the Zone 1 & Zone 2 buffer of an unnamed tributary to Foundry Branch. Since the sewer being replaced is an existing use, we understand that the construction associated with the replacement project is exempt from the Buffer Rules. The application being submitted is for written concurrence of the Buffer Rule exemption only, since other portions of project will meet the requirements of 401 Certification. We trust this information is complete and will allow you to issue approval at an early date. Should you or your staff have any questions or require additional information please do not hesitate to contact our office. Sincerely, DAVIS-MARTIN-POWELL & ASSOCIATES, INC. _zcln lr? P'__ Ben Palmer, PE c: Ms. Amanda Jones, USACE (enc) Mr. Larry Thomas, PE, City of Oxford (enc) File (enc) Office Use Only: Form Version May 2002 USACE Action ID No. DWQ No. 031447 (If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".) I. II. Processing 1. Check all of the approval(s) requested for this project: ® Section 404 Permit ® Riparian or Watershed Buffer Rules ? Section 10 Permit ? Isolated Wetland Permit from DWQ ? 401 Water Quality Certification 2. Nationwide, Regional or General Permit Number(s) Requested: 3. If this notification is solely a courtesy copy because written approval for the 401 Certification is not required, check here: 4. If payment into the North Carolina Wetlands Restoration Program (NCWRP) is proposed for mitigation of impacts (verify availability with NCWRP prior to submittal of PCN), complete section VIII and check here: ? 5. If your project is located in any of North Carolina's twenty coastal counties (listed on page 4), and the project is within a North Carolina Division of Coastal Management Area of Environmental Concern (see the top of page 2 for further details), check here: ? Applicant Information WETLANDS / 401 GROUP 1. Owner/Applicant Information Name: City of Oxford NOV 1 2 200.1 Mailing Address: PO Box 1307 Oxford, NC 27565 WATER QUAI 1TY Orrin,,, Telephone Number: 919-603-1100 Fax Number: 919-603-1107 E-mail Address: 2. Agent/Consultant Information (A signed and dated copy of the Agent Authorization letter must be attached if the Agent has signatory authority for the owner/applicant.) Name: Company Affiliation: Mailing Address: Telephone Number: E-mail Address: Fax Number: Page 5 of 12 III. Project Information Attach a vicinity map clearly showing the location of the property with respect to local landmarks such as towns, rivers, and roads. Also provide a detailed site plan showing property boundaries and development plans in relation to surrounding properties. Both the vicinity map and site plan must include a scale and north arrow. The specific footprints of all buildings, impervious surfaces, or other facilities must be included. If possible, the maps and plans should include the appropriate USGS Topographic Quad Map and NRCS Soil Survey with the property boundaries outlined. Plan drawings, or other maps may be included at the applicant's discretion, so long as the property is clearly defined. For administrative and distribution purposes, the USACE requires information to be submitted on sheets no larger than 11 by 17-inch format; however, DWQ may accept paperwork of any size. DWQ prefers full-size construction drawings rather than a sequential sheet version of the full-size plans. If full-size plans are reduced to a small scale such that the final version is illegible, the applicant will be informed that the project has been placed on hold until decipherable maps are provided. 1. Name of project: Foundry Branch Outfall Rehabilitation 2. T.I.P. Project Number or State Project Number (NCDOT Only): 3. Property Identification Number (Tax PIN): 4. Location County: Granville Nearest Town: Oxford Subdivision name (include phase/lot number): Directions to site (include road numbers, landmarks, etc.): Project located in northwest quadrant of city, between Sunset Avenue and Ivey Day Road (SR 1170) 5. Site coordinates, if available (UTM or Lat/Long): (Note - If project is linear, such as a road or utility line, attach a sheet that separately lists the coordinates for each crossing of a distinct waterbody.) 6. Property size (acres): 7. Nearest body of water (stream/river/sound/ocean/lake): UT to Foundry Branch 8. River Basin: Tar Pamlico (Note - this must be one of North Carolina's seventeen designated major river basins. The River Basin map is available at http://h2o.enr.state.ne.us/admin/m4ps/.) 9. Describe the existing conditions on the site and general land use in the vicinity of the project at the time of this application: The project area consists of residential area. The existing- outfall is to be replaced. Page 6 of 12 10. Describe the overall project in detail, including the type of equipment to be used: The portion of the existing Foundry Branch Outfall within the project area is to be replaced with a new, sewer main. Track mounted excavators will replace the existing sewer in the same trench in all locations, except for road crossings (new alignment). Temporary by-pass pumping will divert flows around segments being replaced. Channel crossing to be stabilized w/rip-rap and project corridor revegetated upon completion. 11. Explain the purpose of the proposed work: Replace a portion of an existing aged and deteriorating sewer outfall IV. Prior Project History If jurisdictional determinations and/or permits have been requested and/or obtained for this project (including all prior phases of the same subdivision) in the past, please explain. Include the USACE Action ID Number, DWQ Project Number, application date, and date permits and certifications were issued or withdrawn. Provide photocopies of previously issued permits, certifications or other useful information. Describe previously approved wetland, stream and buffer impacts, along with associated mitigation (where applicable). If this is a NCDOT project, list and describe permits issued for prior segments of the same T.I.P. project, along with construction schedules. V. Future Project Plans Are any future permit requests anticipated for this project? If so, describe the anticipated work, and provide justification for the exclusion of this work from the current application. N/A VI. Proposed Impacts to Waters of the United States/Waters of the State It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to wetlands, open water, and stream channels associated with the project. The applicant must also provide justification for these impacts in Section VII below. All proposed impacts, permanent and temporary, must be listed herein, and must be clearly identifiable on an accompanying site plan. All wetlands and waters, and all streams (intermittent and perennial) must be shown on a delineation map, whether or not impacts are proposed to these systems. Wetland and stream evaluation and delineation forms should be included as appropriate. Photographs may be included at the applicant's discretion. If this proposed impact is strictly for wetland or stream mitigation, list and describe the impact in Section VIII below. If additional space is needed for listing or description, please attach a separate sheet. Page 7 of 12 y 1. Provide a written description of the proposed impacts: An intermittent channel (location Al will be crossed as a result of outfall replacement. Also, portions of the existing sewer pro op sed to be replaced are located within Zones 1 and 2 of the buffer area. All areas disturbed shall be re-vegetated upon completion of work. 2. Individually list wetland impacts below: Wetland Impact Site Number (indicate on ma) Type of Impact* Area of Impact (acres) Located within 100-year Floodplain** (es/no) Distance to Nearest Stream (linear feet) Type of Wetland*** * List each impact separately and identity temporary impacts. impacts include, but are not limited to: mecnamzed clearing, grading, fill, excavation, flooding, ditching/drainage, etc. For dams, separately list impacts due to both structure and flooding. ** 100-Year floodplains are identified through the Federal Emergency Management Agency's (FEMA) Flood Insurance Rate Maps (FIRM), or FEMA-approved local floodplain maps. Maps are available through the FEMA Map Service Center at 1-800-358-9616, or online at http://www.fema.Qov. *** List a wetland type that best describes wetland to be impacted (e.g., freshwater/saltwater marsh, forested wetland, beaver pond, Carolina Bay, bog, etc.) Indicate if wetland is isolated (determination of isolation to be made by USACE only). List the total acreage (estimated) of all existing wetlands on the property: Total area of wetland impact proposed: 3. Individually list all intermittent and perennial stream impacts below: Stream Impact Site Number (indicate on ma) Type of Impact* Length of Impact (linear feet) Stream Name** Average Width of Stream Before Impact Perennial or Intermittent? (leases ecif ) A Excavation 20 LTI' to Foundry Branch 6 Intermittent List each impact separately and identity temporary impacts. Impacts include, but are not linvted to: culverts and associates np-rap, dams (separately list impacts due to both structure and flooding), relocation (include linear feet before and after, and net loss/gain), stabilization activities (cement wall, rip-rap, crib wall, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is proposed, plans and profiles showing the linear footprint for both the original and relocated streams must be included. ** Stream names can be found on USGS topographic maps. If a stream has no name, list as UT (unnamed tributary) to the nearest downstream named stream into which it flows. USGS maps are available through the USGS at 1-800-358-9616, or online at www.uses.Qov. Several internet sites also allow direct download and printing of USGS maps (e.g., www.topozone.com, www.maQquest.com, etc.). Cumulative impacts (linear distance in feet) to all streams on site: 20 Linear Feet Page 8 of 12 4. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic Ocean and any other water of the U.S.) below: Open Water Impact Site Number (indicate on ma) Type of Impact* Area of Impact (acres) Name Waterbody ) (if applicable) Type of Waterbody (lake, pond, estuary, sound, bay, ocean, etc.) * List each impact separately and identity temporary impacts. impacts include, but are not limited to: nu, excavation, dredging, flooding, drainage, bulkheads, eta 5. Pond Creation If construction of a pond is proposed, associated wetland and stream impacts should be included above in the wetland and stream impact sections. Also, the proposed pond should be described here and illustrated on any maps included with this application. Pond to be created in (check all that apply): ? uplands ? stream ? wetlands Describe the method of construction (e.g., dam/embankment, excavation, installation of draw-down valve or spillway, etc.): Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond, local stormwater requirement, etc.): Size of watershed draining to pond: Expected pond surface area: VIL Impact Justification (Avoidance and Minimization) Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide information related to site constraints such as topography, building ordinances, accessibility, and financial viability of the project. The applicant may attach drawings of alternative, lower-impact site layouts, and explain why these design options were not feasible. Also discuss how impacts were minimized once the desired site plan was developed. If applicable, discuss construction techniques to be followed during construction to reduce impacts. The existing sewer is to be replaced in the same horizontal alignment (direct replacement), in an effort to minimize impacts to existing_ development and private property owners, as well as maintain sewer service to existing customers. VIII. Mitigation DWQ - In accordance with 15A NCAC 2H .0500, mitigation may be required by the NC Division of Water Quality for projects involving greater than or equal to one acre of impacts to freshwater wetlands or greater than or equal to 150 linear feet of total impacts to perennial streams. Page 9 of 12 ti USACE In accordance with the Final Notice of Issuance and Modification of Nationwide Permits, published in the Federal Register on March 9, 2000, mitigation will be required when necessary to ensure that adverse effects to the aquatic environment are minimal. Factors including size and type of proposed impact and function and relative value of the impacted aquatic resource will be considered in determining acceptability of appropriate and practicable mitigation as proposed. Examples of mitigation that maybe appropriate and practicable include, but are not limited to: reducing. the size of the project; establishing and maintaining wetland and/or upland vegetated buffers to protect open waters such as streams; and replacing losses of aquatic resource functions and values by creating, restoring, enhancing, or preserving similar functions and values, preferable in the same watershed. If mitigation is required for this project, a copy of the mitigation plan must be attached in order for USACE or DWQ to consider the application complete for processing. Any application lacking a required mitigation plan or NCWRP concurrence shall be placed on hold as incomplete. An applicant may also choose to review the current guidelines for stream restoration in DWQ's Draft Technical Guide for Stream Work in North Carolina, available at http://h2o.enr.state.nc.us/ncwetlands/strmgide.html. 1. Provide a brief description of the proposed mitigation plan. The description should provide as much information as possible, including, but not limited to: site location (attach directions and/or map, if offsite), affected stream and river basin, type and amount (acreage/linear feet) of mitigation proposed (restoration, enhancement, creation, or preservation), a plan view, preservation mechanism (e.g., deed restrictions, conservation easement, etc.), and a description of the current site conditions and proposed method of construction. Please attach a separate sheet if more space is needed. 2. Mitigation may also be made by payment into the North Carolina Wetlands Restoration Program (NCWRP). Please note it is the applicant's responsibility to contact the NCWRP at (919) 733-5208 to determine availability and to request written approval of mitigation prior to submittal of a PCN. For additional information regarding the application process for the NCWRP, check the NCWRP website at http:Hh2o.enr.state.nc.us/wrp/index.htm. If use of the NCWRP is proposed, please check the appropriate box on page three and provide the following information: Amount of stream mitigation requested (linear feet): Amount of buffer mitigation requested (square feet): Amount of Riparian wetland mitigation requested (acres): Amount of Non-riparian wetland mitigation requested (acres): Amount of Coastal wetland mitigation requested (acres): Page 10 of 12 IX. Environmental Documentation (required by DWQ) Does the project involve an expenditure of public (federal/state) funds or the use of public (federal/state) land? Yes ? No If yes, does the project require preparation of an environmental document pursuant to the requirements of the National or North Carolina Environmental Policy Act (NEPA/SEPA)? Note: If you are not sure whether a NEPA/SEPA document is required, call the SEPA coordinator at (919) 733-5083 to review current thresholds for environmental documentation. Yes ? No ? If yes, has the document review been finalized by the State Clearinghouse? If so, please attach a copy of the NEPA or SEPA final approval letter. Yes ? No ? X. Proposed Impacts on Riparian and Watershed Buffers (required by DWQ) It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to required state and local buffers associated with the project. The applicant must also provide justification for these impacts in Section VII above. All proposed impacts must be listed herein, and must be clearly identifiable on the accompanying site plan. All buffers must be shown on a map, whether or not impacts are proposed to the buffers. Correspondence from the DWQ Regional Office may be included as appropriate. Photographs may also be included at the applicant's discretion. Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233 (Neuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 2B .0250 (Randleman Rules and Water Supply Buffer Requirements), or other (please identify )? Yes ®* No ? If you answered "yes", provide the following information: Identify the square feet and acreage of impact to each zone of the riparian buffers. If buffer mitigation is required calculate the required amount of mitigation by applying the buffer multipliers. Zone* Impact (square feet) Multiplier Required Mitigation 1 5,514 3 N/A 2 7,318 1.5 N/A Total 12,832 N/A Gone 1 extends out 3U feet perpendicular from near bank of channel; Gone L extends an additional 20 feet from the edge of Zone 1. * Impacts exempt - proposed & existing use is same (sewer outfall) Page 11 of 12 If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e., Donation of Property, Conservation Easement, Riparian Buffer Restoration / Enhancement, Preservation or Payment into the Riparian Buffer Restoration Fund). Please attach all appropriate information as identified within 15A NCAC 2B .0242 or.0260. XI. Stormwater (required by DWQ) Describe impervious acreage (both existing and proposed) versus total acreage on the site. Discuss stormwater controls proposed in order to protect surface waters and wetlands downstream from the property. N/A XII. Sewage Disposal (required by DWQ) Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of wastewater generated from the proposed project, or available capacity of the subject facility. Wastewater to be treated at City of Oxford WWTF. No new flows will result from the proposed project XIII. Violations (required by DWQ) Is this site in violation of DWQ Wetland Rules (15A NCAC 211.0500) or any Buffer Rules? Yes ? No Is this an after-the-fact permit application? Yes ? No XIV. Other Circumstances (Optional): It is the applicant's responsibility to submit the application sufficiently in advance of desired construction dates to allow processing time for these permits. However, an applicant may choose to list constraints associated with construction or sequencing that may impose limits on work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and Threatened Species, accessibility problems, or other issues outside of the applicant's control). Portions of the existing outfall to be replaced are located within Zones 1 & 2 buffer areas. Since the existing use of the impacted areas will not change (sewer outfall), replacement of the outfall is exemit from the buffer rules /?? (?s- n/n f ^3? -ZZ> Applicant/Agent's Signature Date (Agent's signature is valid only if an authorization letter from the applicant is provided.) Page 12 of 12 t f `G r 1 !' , I l x f7 -? :3. 1 Ftr»J?({jYir$ri ?? ti ? r?f? ? a rr Q ? : Y ?r •1?R C?-r' , - -?",-?? f JI ??? pill 77 -7 ?r _?--.?,rtT-- r Sri ~? 0.?,?rr ???ti 's.?+, ?..? ?r/(?f ?~1 r'? i ? ??. -BIW PROP. SEWER ??r'?l Al ?i' L J, L . L 1 REHABILITATION JVP\L.C: I = I VIJIJ I w - r - a r Y . - i -ri • `N ` - t 7 I, :M"ya t , ? - OXFORD QUAD f i 7 L r •t, .3 { 7 {1 /: * Y , ~? `. T. 1 , DAVIS-MARTIN-POWELL & ASSOCIATES, INC. CITY OF OXFORD, NC dmp '" AU'"o E 102 SEWER SYSTEM IMPROVEMENTS 2188 GATE GATEWOODOD A AVENUE, SURE 1Q2 ?iGHpoKr, NOM CAROUNA rnbz FOUNDRY BRANCH OUTFALL REHABILITATION ' ' FA's era . PROJECT LOCATION MAP DRAWING NAME: P; \PROJECT\E3477\dwg\E3477bose.dwg -LINE 1+s001 No v 07, 2003 - 8:57am ~ ~ I L•I ~ ~ ~ O O (TI ~ ~ x _ O ~ W ~ c~ rn N O O ~ O m~ ~ k o 10+00.00 O ~ m a~ N ~ z z ~ - 1 off`-~v, o~ z 1 cn c_-on I~ I _ _ 7Cp10 ~ ~ -IZZ~. 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D s ~S p _ _ r p / _ _ v a v v _ _ (TI D _ _ _ _ Z N. - ~ A _ _ _ ~.i V ' r O m _ = = v vo I II II m f 'p~P~ NN~~ m~ rn o000-Nix w O~ tJ~ aP ~ m =p vm z < mD~~ z z z I w~~ Dm co ~ c~ ~ o O - - _ ~ _ -I N tnXO~ v-t1 y~m~ oz z ~Dm ro2 ~N~-1z ~ oV ~m 2 O pm j0 I I Jv I v U'I ~ ` I /y~~ -P y D J rn O ~ ~ ~ O v W c9 Z W''N O ~ Q ~ Z lp ~ p 0 y ~ ~ ~ O O REV DAZE DESCRIPitON BY JOB, NO. E,9477 ' DATE OCTOBER'09 i IESs INC• a °g°uCSuu#RAP o N ® ENGINEERING -LAND PLANNIN - w G SUR1/EYING DRAWN BAP SURVEYING 4 218 GATEWOOD AVENUE, SUITE 102 TE 102 1011 CHECI~D ? HIGH POINT, NORTH CAROLINA 272 SCALE ~ AS NO1ED 27262 I-i, F~ I N E~ ov ® s . PHONE SURVEYED DC (336)886.4821 FAX (336) 8864458 ` 886-4468 CLASS [ OR B EROSION CONTROL !)g 1414)))® VARIES (SEE PLAN) ~ . ° ° ° ° ° fl ° NO 2' MIN (>~ate. This detail modified from tiff w v TE. ° ° ° ° ~d o \ ! ,v modified from City of Greensboro Stc;: 213) STRUCTURAL STONE SHALL BE POST ®o~ ~ 10' MIN. ~ ~ ° ° ° ~ (CLASS "B" STONE FOR EROSION CONTROL PURPOSE SILT-FENC ~o r Z S. E SILT-FENq: ~ r- J e 3 10'X10' ~ b w DEWATERING FR~TBR FABRIC SEDIMENT CONTROL STONE SHALL BE CROSS SECTI NO.5 OR N0.57 STONE. a o ~ ESTABLISHING ~ a _ ~ ~ BASIN ®2:1 SIDE SLOPE VEGETA~oN " a w ~ TOP ON 10 MIN. , OF BANK o`` 1.5 ft. SEEDBED PREPARAl10N min. - ~ - 1/i TOP VIEW - _ ~ _ ' - 1. CHISEL COMPACTED AREA 0 0 0 V /SILT-FENCE TEMP. CMP SOIL CONDITI SAND SPREAD TOPSOIL 3 INCHES DEEP OVER ADVERSE 0 0 0 DNS, IF AVAILABLE. 9' min o 0 0 0 o i o 0 0 0 0 0 0 0 0 0 0 0 1.5 FT. SILT-FENCE STREAM slLr-FENCE FLOW O O O 2. RIP THE ENTIRE AREA TO 6-INCH DEPTH. y 0 0 • rA FILTER FABRIC---~- o 0 0 0 0 0 0 0 0 0 2,~ MIN. 0 0 0 0 o q. ~OW 1.0 FT. 1 2 ~ x 3, REMOVE ALL LOOSE ROCK, ROOTS, AND OTHER V REASONABLY SMOOTH AND UNIFORM. OBSTRUCTIONS LEAVING SURFACE Z 00 ~ 00o Z M O 4. APPLY AGRICULTURAL UME, FERTLIZER AND SUPER PHOSP TOB WI1H S01 HATE UNIFORMLY AND MIX 0 0 0 L (SEE BELOW*). ~ N SEDIMENT CONTROL STONE STRUCTURAL STONE STONE SECTION ,.5 - 0 ~ MIN. - _ _ - 5. CONTINUE TILLAGE UNTIL AWELL-PULVERIZED, FIRM, REASONAB W N - _ SEEDBED IS PREPARED 4 TO 6 INCHES DEEP. LY UNIFORM CROSS SECTION SANDBAGS i n BAGS CROSSING - ~ 6. SEED ON A FRESHLY PERPARED ,,AA 1 THICK SEEDBED AND COVER SEED LIGHTLY WITH SEEDING V PIPE ~ EQUIPMENT OR CULTIPACKER AFTER SEEDING. TE FRONT VIEW MPORARY RO CK CHECK D AM WASHED STONE Z W v 7. MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR Z NOTB: TO BB 1NSTALLBD BI CHANNBI, DURBfG CULVBR9' B~i'AILATION. AFTBN PIPE INSTALLATION MULCH. Z IS COYPLBTB, UTBIZS STONB AS PIPE OUTI,BI' STABN,IZATIDN. ~MPO 8. INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS LL 25' 15' THE PLANTINGS OR RESEEDINGS WI1H1 RARY STON E OUTLET EASON, IF POSSIBLE. IF STAND SHOULD BE OVER 60~ DA N RE-ESTABLISH FOU.OWING ORIGINAL UME F MAGED, Q ~ N.T.S. 40' CONSTRUCTION EASEMENT ERIIUZER AND SEEDING RATES. 9. CONSULT CON CONSTBUCflON 1. Place stone to the lines and dimensions shorn in SPECB?ICAT10N3 toundatton. the P~? on a filter fabric SERVAl10N INSPECTOR FOR MAINTENANCE TREATMENT AND O AFTER PERMANENT COVER IS ESTABLISHED. FERTILIZATION Z 2. Keep the center stone section at least 9 inches below natrual POLYE Found level THYLENE where the dam abate the channel banks, RIP RAP PLACED AROUND ON FAC *APPLY: AGRICULTURAL LIMESTONE - 2 TONS/AC 3 TONS , FERTILIZER - 1,000 LB ( /AC IN CLAY SOILS "."I ~ n OLYETHYLENE FABRIC TOP OF BANK /AC - 1o/ta/1o PIPE INLET E (8 MIL. FACE (8 MIL. THICK) SUPER PHOSPHATE - 500 LB AC - Q 3. Ertend stone at least 1.5 tt beyond the ditch banks to kee overflow wa FLTER from undercutting the dam as it ra-enters the channel P ~ 1. CLASS 'A" STONE MULCH - 2 TO / 20% ANALYSIS W fA NS/AC -SMALL GRAIN STRAW V v ANCHOR -ASPHALT EMULSION ®30 RIP RAP 0 12" 0 GAL/AC W ~ W OVER W Z 4. Set MIN. spaang between dams to assure that the elevation et the to of the P lower X67 FlLTER STONE STREAM dam is the same as the toe elevetwn of the upper dam. z ~ ~ 0 - PIPE ESTABLISHING TEMPORARY VEGETA Z N 0 0 0 Q TtoN O - 0 0 FLO G _ 0 ,,AA = 4, " " THE TEMPORARY SE ~ V 5. Protest ~ o ~ o o w the channel downstream from the lowest check dam, consid that o W o R.C.P. W water will flow over and around the dam. ~B ~ 0 0 R.C.P. , TEMP. 24 TO 42 CMP ~ ~ ~ EDING OF DENUDED AREAS THAT NOT BE BR ~ ~ , F~2 A PERIOD OF MORE THAN 30 WORKI OUGHT TO FINAL GRADE ~ Z M= a0 00 ,~a J T,, ~ a 0 IN ACCORDANCE WITH THE PREVI NG DAYS, BUT LESS THAN ONE YEAR SHALL BE W 18" SEEDING SCHEDULE. ~S SPECIFCATIONS AND THE FOLLOWING APPROPRIATE B. Make sure that the o o - - 0 channel reach above the most u o o ' P dam is stabl ~ ` " , e. o 0 0 EX. IN MIN. V. 7, &osure that the channel aPpnrtenances - ESTABLISHING PERMANENT dems, are not subject to a or 'such as culvert entrances below check CREEK dames blockage from displaced stones, 10' MIN. CROSSING TEMPORARY VEGETATION PIPE STONE DAM THE PERMANENT SEEDING OF DEN Inspect check dams and channels for a SANDBAGS dames after each runoff event. PLAN DAYS OR 90 CALENDAR DA UDED AREAS SHALL BE PERFORMED WITHIN t5 WORKING Anticipate submergence and deposition above the check dam end erosion from SYN ACCORDANCE WITH ~ AF1ER FNAL GRADE IS REACHED AND SHALL BE IN THE PREVIWS SPECIFICATIONS AND THE FOLLOWING APPR THETIC FILTER high flows around the edges of the dam. Correct all damage immedia U aigniflcant erosion occurs between dams, install a rotective ri ~ FABRIC FILTER SEEDING SCHEDULE. OPRIATE FABRIC - portion of the channel P P roP finer in that e A n SHOULDERS, SSE DITCHES, SLOPES (MAX. 3:1 ~P'IVY DONUT I NLET PROTECTI ON N Remove sediment accumulated behina the dams as to channel vegetation, allov the channel to needed to prevent damage N.T.S. 1 ER dram through the stone check dam, ) OSION STONE TO ~ APPUCA110N RATE N STONE TO BE "CLASS l" RIP-RAP SEEDING PERmn ~ and prevent large flows from carrying sediment over the dam. Add stones tc 2 KEY dam as needed to maintain d ) SANDBAGS & Fi UNLESS DESIGNATED DIFFERENTLY ON PLAN AUG 15 - PER 1 INOBAGS & FILTER FABRIC INTO CREEKBANKS ~ Nov t TAU. FESCUE ~ height and crow section. 3 PIPE S/ZE ) AND NUME ZE AND NU AND INI/ERTS N~+EN POSSIBLE Nov t - 120# 2s# MBER TD BE DETERMINED BY ENGINEER ON P MAR 1 TALL FESCUE gyp 4) SANDBAGS, POL YETh' 9GS, POL METHYLENE & LAN. 120# 2,g# TEMPORARY CMP MAYBE DELETED ON DRA/ ABRUZZI RYE WITHOUT ACAUE FLG 5) CONVERT TD PERMAI 'T ACAUE FLOW, AS 0/RECTED BY EN NAGS DITCHES, MAR t -APR 15 25# 0.6# ,T GINEER. TALL FESCUE 120 COMPACTED 2' TD PERMANENT CHANNEL STAB/LIZA AON AFTER APR 15 -JULY 30 # z.a# ~ g o d UTILITY LINE IS INSTALLED. HULLED coMMON tz k ~ SOIL MIN. BER # 0.3# Z MUDA GRASS JULY 15 -AUG 15 TALL FESCUE gyp ANDAR[ PIPE OUTLET TO FLAT AREA - mow . , 18' MIN. STANDARD 60# 1.4# ~ SEDIMENTATION ~~~y~~ * BROWNTO C:OMROt, ~ P MILLET R CROSSING Q- 35# 0. ~~AA''~~ttww R SORGHUM -SUDAN 8# 0 NO WELL-DEFINED ~ ~ ~ I CHANNEL .~\V~~\~~ \~iA\\~~~i\y"iii\v~~ ~ ~ i\\ ,a\i, iA~~\\ ~~!~i\\\ ~\V!~ ~~i,A i ~~/'1GE D11 HYBRIDS OR 30 ~ SIREAM$ DURI # 0.7 NG COIVST) # z i~ i ~i\\~\\\ z 6' TYPICAL ~i\\ , ~\!~i\\~ ~\\!~i~ 3da A A 0 sLaPES (3:1 to CONSTRUCTION 1. REMOVE AND PROPERLY DISPOSE Of ALL TREE BR SPECIFlCATIONS Mq 5. USH, SNMPS, AND 0 TERIAL THER OBJECTIONAL 2. ENSURE THAT THE MINIMUM CONSTRUCTED CROSS SECTION MEETS ALL DESI SEEDING PERIOD APPLICATION RATE .I1T?E PER A RF J. ENSURE THAT THE TOP OF THE DIKE IS NOT LOWER AT ANY POINT TH GN REQUIREMENTS. MAR 1 - JUN t SERI PER 1000 CEA LESPEDEZA 50# 1.2 PLAN 4 PLUS 7HE SPECIFlED SETTLEMENT AN THE DESIGN ELEVATION PROVIDE SUFFlgENT ROOM AROUND DIVERSIONS TO PERMIT MACHINE REGRAD PROPOSED BORE PIT (SCARIFlED AND # 5. VEGETATE THE RIDGE IMMEDIATELY AFTER CONSTRUCTION, UNLESS IT WILL R ING AND CLEANOUT. La THAN 30 WORKING DAYS. EMAIN IN PLACE LESS E ~ ~ _ ) Z NCASEMENT _ (MAR 1 APR 15) gyp TALL FESCUE PIPE ~ ~ (MAR 1 -JUNE 30 60# 1.4# ) OR AOD WEEPING g =IN-Ikl II- . d - I~III=1 " LOVE # 0.1# GRASS .til,. „I7 - - _ a,n~kll; 12 N.C.D.D.T. /57 5 ft - - - lfashed Stone min 5 ~ (MAR t -JUN 30) Q~gQp HULLED COMMO SECTION A-A FILTER NO1ES MAINTENANCE o o -L BLANKET INSPECT TEMPORARY DIVERSION ONCE A WEEK AND AFTER EVERY RAINFALL IMM 00000 BERMUDA GRASS SEDIMENT FROM THE FLOW AREA AND REPAIR THE DIVERSION RIDGE. CAREFU EDIATELY REMOVE 1800 Cu ft~acre Oo00o0 00 0 1. La IS THE LENGTH OF RIPRAP AND MAKE TIMELY REPAIRS AS NEEDED. LLY CHECK OUTLETS •1 0 0 00 00 0 ~°Oo°Oo 1.5 ft ~ ~ ~ SOIL JUN 1 -SEP 1 * TALL FESC o~_ ~~-STOCKPILE UE ~ 60# 1.4 AREA * BROWNTOP MILLET # PIPE OUTLET TO WELL-DEFINED APRON REMOVE THE WHEN THE AREA PROTECTED 15 PERMANEN 2 0000 0 0 0 C RIDGE AND THE CHANNEL i0 BLEND WITH THE NATURAL TLY STABILIZED, 00 00 0000 00 00°0~ ~ Oo 0~ Oo 0° 27 ~ ~ ~ rn ~o°~o°~o°~o°~o° 4o d ~ ~ : 35# D.8# CHANNEL 2. d=1.5 TIMES THE MAXIMUM APPROPRIATELY STABIIJZE IT GROUND LEVEL END o 0 0 0 0 0 STONE DIAMETER BUT NOT LESS 0 00 Ooa0oo0o°OooO o0 0( ~0~00~~0~000 0~ C THAN 6`. 0~0~0 0 0 Oo 0 SEP _ ~ SORGHUM -SUDAN HYBRIDS 30# 0.7 ~ 0 0 OoOoQ EDGE OF 1 MAR 1 SERICEA LESPEDEZA # 3.IN A WELL-DEFlNED CHANNEL ~Oo Oo Oo Oo 0° Oo 0° 0 PAVEMENT 70# 1.6 a °Qp~0~0 ° SF _ (UNHULLED, UNSCA # ~ SF RIFIED) EXTEND THE APRON UP ON THE Cr033 SeCtjOn CHANNEL BANKS TO AN TEM 'ter fabric CHECK DAM N _ ~ TALL FESCUE 50# 1.2 P~OR~1R'Y s./1It 111 DG A ELEVATION Of 6" A MAXIMUM TALLWATER DEPTHE ( OV 1 MAR t) gpp ABRUZZI RYE # AT NATURAL 25# 0.6# oR N.T.S. TO TOP PF THE BANK, DRAINAGE OUTLET WHICHEVER IS LESS. Deslgn 4. A FLTER BLANKET OR FlLTER settled ~ BORE *TEMPORARY -RESEED ACCORDING TO OPTIMUM SEASON FOR SITE DETAIL PERMANENT VEGETATION. DESIRED DO NOT ALLOW TEMPORARY COVER TO GROW OVER FABRIC SHOULD BE INSTALLED min BETWEEN THE RIP-RAP AND p 8" N.T.S. 12" IN HEIGHT BEFORE MOWING OTHERWISE FESCUE MAY BE SHADED OUT. for settlement PLAN SOIL FOUNDATION. o ~/n r~ ~\r\/r~ i, 0 0 4 IDln o 1.5 o ' o p ~ .~`~2:1 side 5 ft OOo 0 0 0 00 slope ma 2.1 side er enc ~ slope max b _ g Y ~ o Lo maz fill ~ 00 00 00 00 ~~/i ape side sl 8~ r~ ~ o fabric 0o000Q00 / ~ :1 aide sl do ~ 0~0~ max ope belotr Z x Naturial settled top LLI;NGTH = 2 TD~S 1fD)TIi W - Wb / v I 1117n~11 ~ _ _ - ~0 ground of dam 0 0 0 0 III 1~~11~ bV IInn Il~u~~i~-11 sECnoN AA ul ~I uF~u~ ~~~'!i qa 0 0 W `a S - ~ 1~11- FlLTER ~ U~ , Stone section 0 0 o SEQUENCE of CONSTRUCTION Ff,OA , ~ BLANKET ~ 0 0 0 1. Obtain grading permit at pre-construction meetin ~ g on site. " U ~ ! _ 0 ,1 _ ~ r~Wl n Z ~ 0 0 0 2• Install stabilized construction entrance mud / Q ramp at all construction ON ~ ~ - ~ ~U 1EM N.T.s. - ~ ~ ~ ME ~R 0 0 0 0 3. Clear site enou entrances. a NT s ~ ' min `a ~E1~1 gh to install erosion control devices. 4. Z Install sediment and erosion control device . a depth N.T.S. 0 W ~ : O J.:~ 5. CI s ~ t.~ ear and grade site. 6. Install drains e ~ 2-3' g system. J 12" N.C.D.O.T. X57 7. Protect alf drains e s o coarse aggregate ' a: hashed Stone " " 8 9 tructures. CIASS ~ ~p_~ Mamtam and clean erosion control facilities thr W o ~ 1. DRIVE STEEL POST 24" INT f duration o oughoutLY f protect. F'" UPHILL 0 GROUND AND EXCAVATE A E ALONG THE LINE OF POSTS. MAX. 8 BETWEEN PO Z METAL POSTS flashing - If condttlons at the site are such that most 0 9. Seed site. V" ~ F'"' EXCAVATE A 6" X 6" TRENCH FLOII v 10. After all 0 areas ha ~ Z g t.5' INTO GROUND are not removed b of the mud and sediment 2• ATTACH WIRE FENCE T 3 BETWEEN POSTS. 0 0 ~ ve been stabilized, remove all temporary erosion control devices. ~ o y vehicles traveling over the gravel, the toes should be FENCE ti" O POSTS AND EXTEND THE BOTTON washed. flashing should be done on an area stabilised INTO THE EXCAVATED TRENCH. ID THE BOTTOM OF THE ~ ~ wtth crushed stone the w drains into a sediment tra or other sui t 3. ATTACH THE FABRIC TO THE I be used to make p table dlsposai area, A wash rack may ~ BOTT " WIRE FENCE AND EXTEND TF LL C ~ ~ ~ LLI ND EXTEND THE ~ washing more convenient and effective. OM OF THE FABRIC 6 INTO THE TRENCH. CH. ~ ~ ~ GE Z NERAL MAINTENANCE PROVISIONS 3 4. BACKFILL THE TRENC Construction HAND COMPACT THE SOIL FIR ~ THE BOTTOM OF THE MLY Tf SOIL FIRMLY TO ANCH L - - - - - - OR W S SILT FENCE SO THAT RUNOFF IS FOf ~ GALVANIZED HARDWARE f'C1f1C1t10n p S 1, Clear the entrance GO THRU THE FENCE A and e>at area of ND CANNOT ~ WIRE EXTENDS TO TO all ve GO U RUNOFF IS FORCED TO Inspect temporary erosion control devices after eac ~ h period (n P getatLOn, roots, and other objec- NDER IT. a of Box tionable material and properl ads it. iER IT. ~ of significant roinfall. Check devices f T or rills, erosion, or 0 0 (3/8" MESH 6' y w ) i 2. Place the gravel to the YPE B SEDIME P~P~n9• All areas sho N T TRAP uld be stabilized within 15 working doys Z ~ smooth , spec>fic grade and dimensions shown on the plans, and RE Lt• STEEL POST CE N.T.S. after construction in that area. Den ~ uded oreas shall not exceed (j~ 1000 linear feet without seeding and stabilizatio M i REQ'D W W ( /BURLAP ONLY) N/BURLAP ONLY) damp ed rior toe n• All areos 9 P stabl~shmg permanent stabilization shall be i 3. Provide drainage to c water ~'y to a sedment trap or other suitable outlet. X z immediately re-established. (j,~ ~ X57 WASHED 12" 4. Use cote ~ ~ FANOIC g stile fabrics because they improve stability of the foundatio ( WIRE FENCE REQ'D) EROSION CONTROL PROCEDU FENCE REO'D) RE Additionally, the followin i ~ STONE locati n m o 0 ~ o ons subject to seepage or high water table. I I The contractor shall conform to all r g terns shall be performed in equirements of the soil occardance with the specif,c construction details on this w ~ M BACKFlLL TRENCH WITH SOIL MATERIAL AND TAMPING OR NCH WITH SOIL sedimentation and erosion control Taws and re ulati sheet: TAMPING OR State of North Carolina as established anri p„9 ors of the ~ _ _ n WASNFO cTrwc rn c• ieror IC TA c" ieror _ . i ~ v noun[ GROUND. U0 maintenance Maintain the gravel pad in a condition to prevent mud or sediment from leav- nouYC UIV i. aeaiment basins and inlet protection devices shall be an Quality Section of the North Carolina Department of mg the construction site. This may requuire Periodic to P Environment and Natural Resources. These cleaned when sediment has accumulated to one-half requirements design depth of th of the shall include but not be limited to the following: the device. The sediment shall A laced a stone. After each rainf ig with 2-inch 1. All denuded areas are to be se in the disposal area or applied to the land area. P it all, inspect any structure used to trap sediment and clean 0 out as necessary. Immediately remove all objectionable mater' sspille a washed als d, or tracked onto public roadways. a seeded and stabilized gravel facings cant Any within 15 days of completion of any phase of contaminated by the sediment shall be replaced STANDARD C grad ing. with clean gravel. Should conditions exist unfavorable for seeding or o Q ATCH BASIN intended ground cover, mulch a other 2. Ri -ra and tack application as p P, silt fence, and earth berm diversions shall be SHEETNO. specified below will be required. inspected for erosion YARD INLET PROTECTION Z Z TEMPO _ RARY CONSTRUCTION ENTRANCE Q TAM displacement, breaks, overruns, and 2. All erosion control improvements shall be maintained excessive sedimentation. These damages shall be repaired NTS SLFE NCE , re aired b r and kept working until acceptance of P Y returning the device to its design condition. o N.T.S. project. 3. Seeded areas eroded prior to permanent stablization shall be regraded as necessary, reseeded and mulched u suitable surface is achieved. ntil a 0 s OF_