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HomeMy WebLinkAbout19970592 Ver 1_COMPLETE FILE_19970703BIRCH L. MCMURRAY, D.V.M. 115 Clifton Drive Athens, Georgia 30606 July 12, 1997 Mr. John Dorney N. C. Division of Environmental Management 4401 Reedy Creek Road Raleigh, N.C. 27607 Dear Mr. Dorsey: Po F w 9'0092 Re: Section 401 Water Quality Permit for McMurray pond - Polk County, N.C. Since my letter to you on July 2, I have talked to Cindy Bill, Eric Gafamb, and Steve Kroeger of your staff and I am sending to you the following: 1. Application for Section 401 certification (7 copies). Much of the information came from the plan prepared from the NRCS. 2. Plan prepared by NRC S dated April 22, 1997 (7 copies) 3. Letters from the following (7 copies) A. Steve Chapin, U. S. Army Corps of Engineers B. Jack Palmer, N.C. Wildlife Resources Commission C. Mark S. Davis, N.C. Wildlife Resources Commission D. James K. Leumas, DEHNR E. Charles H. Gardner, DEHNR Mr. Dorsey, until the letter from Mr. Chapin of the Corps of Engineers, dated June 26, arrived I was unaware that a separate application needed to be made to your division. I had assumed that the 5 copies to the N.C. DEHNR in Raleigh as indicated on page 1 of the NRCS plan took care of all applications needed. For this oversight on my part I sincerely apologize. Naturally, I wish to get the construction work completed in late summer or early fall in order to seed the dam and surrounding bare areas to prevent winter erosion as much as possible. I greatly appreciate any expediency that your division can provide. Sincerely, Birch L. McMurray Telephone: (706)543-3140 Fax: (706)543-4082 E-mail: memurray@negia.com b BIRCH L. MCMURRAY, D.V.M. 115 Clifton Drive t Athens, Georgia 30606 July 12, 1997 Mr. John Dorney N. C. Division of Environmental Management 4401 Reedy Creek Road Raleigh, N.C. 27607 Dear Mr. Dorney: 97osQ9. C Re: Section 401 Water Quality Permit for McMurray pond - Polk County, N.C. Since my letter to you on July 2, I have talked to Cindy Bill, Eric Gafamb, and Steve Kroeger of your staff and I am sending to you the following: 1. Application for Section 401 certification (7 copies). Much of the information came from the plan prepared from the NRCS. 2. Plan prepared by NRCS dated April 22, 1997 (7 copies) 3. Letters from the following (7 copies) A. Steve Chapin, U. S. Army Corps of Engineers B. Jack Palmer, N.C. Wildlife Resources Commission C. Mark S. Davis, N.C. Wildlife Resources Commission D. James K. Leumas, DEHNR E. Charles H. Gardner, DEHNR Mr. Dorney, until the letter from Mr. Chapin of the Corps of Engineers, dated June 26, arrived I was unaware that a separate application needed to be made to your division. I had assumed that the 5 copies to the N.C. DEHNR in Raleigh as indicated on page 1 of the NRCS plan took care of all applications needed. For this oversight on my part I sincerely apologize. Naturally, I wish to get the construction work completed in late summer or early fall in order to seed the dam and surrounding bare areas to prevent winter erosion as much as possible. I greatly appreciate any expediency that your division can provide. Sincerely, Birch L. McMurray Telephone: (706)543-3140 Fax: (706)543-4082 E-mail: mcmurray@negia.com .? F:i':L?'ROEOS,ED• WORK _EST :SECH ICAO`: -E F :.....::. D: INCLUDING DISCUSSSU'N at' rxrL (ATTACH PLANS: 8 1/2" X•11" D 3 D THAT THIS ACTIVITY: MUST BE CARRIED.: g;: •a}HY -!:I:2:!•;IS f?BELIEVE I4'.°:z. ;:5. !ATE REDS, SiRE'S TAKEN TO MINIMIZE WETLP:ND .. _ =f'::=`'iT?;a..r.rT:rr'•"arty ?sE.A e ACT RED• ;TO' C'OEJT iGT. 'THE U. S . FISH AND WIIrDI,I:FE;. §E i ONAti .MARiiiE FY:SfiEltl'ES SERVICE ;(NMFS?: (.SEE ;A 1LGARD.NG:`.;THE PRES,HNEE O.F ANY FEDERALLY ?;ISTE iTIk:-` 3.DANG:ER,ED OR 'THMTENED SPECIES OR CRITI rte;;,,-HA'i;?':MAY BE AFF'E'CTED BY THE PROPOSED PIkO* (ATTA *,IE.;. R'ED`;T:.CONTACT THE STATE.HISTOKIC. PRESERVATI oCY:'gpD,$:S;ES`;.SHEET} REGARDING THE PRESENCE OF. P.E.RMST;'AREA p?H'I'CH MAY BE AFFECTED BY THE =PRC y. ph - yeJ 41A-5:' 44F ?4 . ICE N OR L HABITAT DATE RESPONSES OFFICER STORIC >S ED T YS -P12OppSED METHOD OF SEWAGE DT'SPOS.lAL - :.. SENT AtirruORZZATION LETTER, IF APPI,rC I LE. PyND'.::L3RTED.; A ' '•.GR W "It,,ER:S',. OF THE U . S . MAY NOT BE IMPACT-FD. SEC-T?IQN 404 CORPS OF ENGTNEPORN! 'FF?E' . ; I' UA O OR 14AIVER OF A 40I BIVXSION O AGEMENT; .(WATER ;.QUALITY) CERTIFICA iON, A :' irTTY>, Ct7ASTAL C.O NT. IES ONLY , A E;E?• TEk 1. ?:IV?3:ION ;OF COASTAI+ MANAGEMENT STATING.," THE saT`c fit :'RITH THE..N4RTH CAROLINA COASTAL 1?1A PRIOR; T0: T, O. joM. THE PROP000 DATE ! C D ONLY j t FROM {18q.})?. 5 US Department of.Agriculture NC-CPA 16 Soil Conservation Service 4-92 ENVIRONMENTAL EVALUATION Land User/Owner ! /?12 rIt'Yl 'rra.C County RO.! Location/Tract & Field Number Acreage Prepared by re --I ardet+snJoe!X I dre..._.=? Date E23197 Brief Description of Planned Practice/RMS/Project Measure: f-r .6 . y:a Co ?v t ri wr a AJ C e Environmental Factors and Resources to identify and Evaluate I/ 1. Is wetland included in the planning area: (References: NCPM; 190-GM 410.26; Hydric soils list; Classification of Wetlands and ]2,ee water Habitats of the U.S.; National Wetlands Inventory Maps; NFSAM. ? No Yes - If yes, --- Identify types present -- Attach environmental evaluation showing what effect planned assistance will have on wetland and how this assistance is within policy -- Have needed permits (CANA, DEM,.Corps, etc.) been obtained by the landuser? -- Make sure no planned practices will put the landowner in violation of Swampbuster 2. Endangered and/or threatened species: (References: 190-GM 410.22; Technical Guide Section I-i(13) and Section I-vii ? No Yes -- Identify species whose range and habitat needs indicate they might occur in planning area -- Identify on map any designated critical habitat a e 3. is a designated natural or scenic area included in the planning area or will planned actions impact on an adjacent natural or scenic area? (References: 190-GM 410.23 and .24) ? NO Yes - If yes, encourage landuser to consult with concerned lly satisfactory individuals to arrive at mutually r'Y land 4. eloo-year NCPM; 190-GM 410.25;HUD FloodlPlainl (References: maps) ?/ No Yes - If yes, -- Is the assisted action likely to have significant adverse effects on existing natural and beneficial values in the flood plain? -- Is there a practical alternative outside the flood plain? Has roducthe tionoforpatlleastn3uofdtherlasty5uyears? -- p P 5. Is an archaeological or historical site located in the planning area? (References: NCPM; 420-GM 401; National Register of Historic Places) ? No Yes - If yes, have steps been taken to ensure the protection of this area? 6. Are there any prime, unique, or locally important farmlands in the operating unit? (References: 310-GM) ? No Yes - If yes, identify on a soils map or legend. 7. Will.the action result in sodbusting? ? No Yes S. Will the action result in swampbusting? ? No Yes 0' 9. Is there a potential for controversy? From whom? ? No Yes 1 7- NAME: BIRCH MC MURRAY COUNTY: POLK COUNTY NORTH CAROLINA ADDRESS: 115 CLIFTON DRIVE ATHENS, GA 30601 PHONE: 706-543-3140 LOCATION: OFF LEE CUDD RD (SR 1356), APPROX. 1400' NORTH OF LEE CUDD RD (SR 1356) AND TANNER RD (SR 1357) INTERSECTION. TURN RIGHT ON TO DRIVEWAY TO HOUSE. UNITED STATES NATURAL RESOURCES USDA, NRCS DEPARTMENT OF CONSERVATION COURTHOUSE ANNEX AGRICULTURE SERVICE P. 0. BOX 236 COLUMBUS, N.C. 28722 APRIL 22, 1997 MR. BIRCH MC MURRAY 115 CLIFTON DRIVE ATHENS, GA. 30601 Dear Mr. McMurray: As you are aware, due to the height of the dam and the amount of water impounded, your proposed pond is subject to the Dam Safety Law of North Carolina. This law requires that a permit be obtained before construction is started- .. . Enclosed-are 8LA E _:t`) ",copies of plans and -specifications.for your, pond. You hould retainTone (1) copy for your use during.construction and for a permanent record. Three_'(3'1"Z' e?s--are for your proposed contractors. Five (5) copies alori with your request'f'or-a perm to construct should be sent to the following ad res•??- North Carolina Department of Natural Environment, Health and Natural Resources Land Quality Section Dam Safety Engineer P 0 Box 27687 Raleigh, NC 27611 As"soorias you-receive the,permit to"construct please notify this office and we will-schedule a.day with you and :do :.the layout work.- - Under the law, you are responsible for compliance with all construction requirements and state regulations in constructing and maintaining your dam. We are-required to make construction checks while the dam is being built and-to make a_final check when construction is completed. There will be critical items of-construction which we--must inspect before additional work can proceed. These items include excavation for the cutoff core trench and the installation of the drain pipe and anti-seep collars which cannot be-'inspected after the dam is completed. Before you fill your pond, we must certify to the to the State that the dam was builtaccording to the plans and specifications. These and other items will be discussed in more detail with you and your contractor when we meet to do the layout of you pond. As you may know, we are required to withdraw assistance on this job and notify the State Dam Safety Engineer, if you proceed in the building of your dam before we inspect these critical items or if the dam is not being constructed in accordance with the plans and specifications. Sincerely, Gerald Harbinson BIRCH MC MURRAY CONTENTS .Engineers Cost Estimate .-Bill of Materials Erosion and Sediment Control Plan -Specifications for Construction of Ponds and Reservoirs Laying the ductile Iron Pipe ,Drainage Area and Location Map Potential Impact Study Report Hazard Classification Data Sheet for Dams -Vegetation Specification ,-Treatment on Critical Erosion Areas with Permanent Ground Cover operation and Maintenance Plan for Farm Pond Soil Investigation to determine suitability of proposed pond site -? Reservoir Area Measurements Soils in Watershed Earth Work computation sheet (check) Est. Runoff and Peak Discharge ,.,Pond Design Worksheet -4-Plan of Farm Pond (drawing) ,,Steel and Mechanical Detail (drawing) Gate Detail (drawing) Trash Rack (drawing) Foundation Drain and Diaphragm (drawing) Details Outlet Bent Support (drawing) ,-Details of Plunge Pool Design (drawing) .,,-Grassed waterway (drawing) vNC Archaeological Site Form ,:,Concrete Construction Specification -Environmental Evaluation As authorized by the 1990 North Carolina General AsserrtblyforDarns, Mining and Erosion and Sedimentarion Control - Land Quality Section, Division of Land Resources, North Carolina Department of Environment, Health, and Natural Resources Note: Favments should be made by check or money order to the N.C. Department of Environment, Health, and Natural Resources. Proce...=sinty will not begin before payment is received. DAMS The following additional application processing fees are due when the as-built plans are submitted and art based upon a percentage of the cost of construction and removal of the dam. • 2% of the actual costs between S10,001 and 5100,000; - 1.5gc of the actual costs between 5100,001 and 5500,000; • 1.O0c of the actual costs between S500,001 and $1,000,000; - 0.5% of the actual costs over 51000,000 The total fee cannot exceed 550,000. Actual costs are based upon labor and materials associated with the construction or removal of the dam and appurtenances.The additional "12lication tee must be submitted along with an owner's certification plan and accompanying documentation with the as-built clans and the enFincer's certification before final approval to im j2und will be granted. EROSION SEDIMENTATION CONTROL - S30.00 nonrefundable plan review processing fee for fast acre of disturbed land and 520.00 for each additional aae, or any part thereof, of land to be disturbed (including off-site borrow and waste areas). No processing fee will be charged for a revised plan unless the revised plan contains an increase in the number of acs to be disturbed. MINING FEES ON REVERSE SIDE BIRCH MC MURRAY BILL OF MATERIALS PIPE - CLASS 51 DUCTILE IRON 140 Linear Feet 6" Ductile Iron Class 51 *13.6 11 if 8" Ductile Iron Class 51 *Total length from riser invert - 13.6 includes 1 compact reducer, large end 8" mechanical - small end 6" plain, 1-6" compact mechanical joint tee, 2-short sections of plan pipe (see drawing) one 15" diameter CMP Trash Rock constructed from aluminum (see drawing) 0/2 one 6" diameter slide gate with frame (height of 15.5 feet) with strap and bolt to attach to riser 1.7 cu. yds. reinforced concrete, class 3000 106 lbs. reinforcement steel Bent Support 2 6" x 6" x 6' pressure treated post 2 2" x 8" x 30" pressure treated boards 2 1/211 x 1211 Galvanized bolts RIP RAP FOR PLUNGE POOL (Stilling Basin) 10 tons rip rap 5 tons NC DOT 25 S-SAND r 25 sq yds filter cloth ),,r(X, SEEDING Dam, emergency spillway, around pool area, and borrow areas - 2 acres DRAINAGE DIAPHRAGM h. 11 TONS NC DOT 25 S-SAND BIRCH MC MURRAY BILL OF MATERIALS PIPE - CLASS 51 DUCTILE IRON 140 Linear Feet 6" Ductile Iron Class 51 *13.6 " If 8" Ductile Iron Class 51 *Total length from riser invert - 13.6 includes 1 compact reducer, large end 8" mechanical - small end 6" plain, 1-6" compact mechanical joint tee, 2-short sections of plan pipe (see drawing) one 15" diameter CMP Trash Rock constructed from aluminum (see drawing) 02 one 6" diameter slide gate with frame (height of 15.5 feet) with strap and bolt to attach to riser 1.7 cu. yds. reinforced concrete, class 3000 106 lbs. reinforcement steel Bent Support 2 6" x 6" x 6' pressure treated post 2 2" x 8" x 30" pressure treated boards 2 1/2" x 12" Galvanized bolts RIP RAP FOR PLUNGE POOL (Stilling Basin) 10 tons rip rap 5 tons NC DOT 25 S-SAND r 25 sq yds filter cloth )-StXlS SEEDING Dam, emergency spillway, around pool area, and borrow areas - 2 acres DRAINAGE DIAPHRAGM . 4 . 11 TONS NC DOT 25 S-SAND • pa+aTduioo aq TTegs xiaOM anT+e+a29n '2UTpeZ2 TpUTJ Jo GAP TugTM UOT+P4azaA •p --------------- ' •suoTssantp Jo UOT+pooT auTuiza+ap TTTM aoTn.IaS UOT+12 n19suo0 TTOS a *mow ATTsea o+ padeus pup daap +j 5•Z ST UOTsZanTp TpoTdA+ V •adoTs AQmTTTds Aoua2aawa ao eaap Mozaoq e go TTTudn pa+eOOT UOTSaGATp p ST aldutexa uV • poTaad +uaulusTTgp+sa anT+p+aSan 2UTanp Toaquoo UOTSOaG UMWT+do apTnoad o+ papaau se pa+eooT OSIQ pup sea-1e pagan+srp uio.Ig APMe aag2M +aanTp o+ pasn aq Tlegs suoTsaanTQ suoTS?anTq 'o •+Td pa+enpoxa up o+uT aa+pM 2uzdumd ao ump Molaq uTsId pooT3 uT aa4pM 2uTpuod Aq p9TlOa4uOO aq TTpus 2=Q:a Pmap ,uoa; +uawTpas uTaa+eriaQ ucua.IS ago+n0 wo.Ij +uaLuTpas 30 Toz+uo,:) ' q • algTsea3 awT+ +sagaogs au+ ao3 uoTsoaa woaj pa+oa+oadun pup aaeq aq TTTM seaae aTgTssod +saTTeuts au+ +eu+ os PaTnpagos aq TTegs slsTaa+put TTOS 3o 2UTnoiu. pup uoT+enpo:;a aqS SaT+TnT4oe A?om t{+.Ip3 go . uT e+S • e ' 2uTMOTTO.j aq+ aPnTouT TleLts sa.Inseaui To,z+uOO +uawTpas pup uOTsoag S3'dl1Svaw ioaimo SNawicias QNv NOISO?d3 a o T+o p.zd sTTT+ suTTTp+suT aTTuM uOTsowa 2uTTTOaquOO uT aOuppTn2 anr2 o+ Papua+uT ST uOT+eOTgToads sTgj •upTd wapj e uT aanspaui TOagUOO UOTscT2 up go s+uauodwoo ATTpoTdA+ aap suTseq +ueuiTpas ao/pup spczod waed :3SON S?? • ?.?.? 'd?2i'd Q3S2i!'?SSIQ Q?S?ntISS3 NOISJl12iSSN00 NISVa SNaNIQ3S 'dO/QNV QNOd WHVd HOd NK'Id 'IOU NO0 SNHWIQ3S QNV NOISOU21 -U. S. DEPARTNENT OF AGRICULTURE NC-ENG-13b Soil Conservation Service Rev. 5/83 / SPECIFICATIONS FOR CONSTRUCTION OF PONDS AND RESERVOIRS Clearing: All trees and brush shall be removed from the impoundment area before any water is impounded. Whenever c eari hould be delayed until a ter -is--built to hold erosion and downstream sedimentation to a minimum. Stumps maybe removed or r ay e aw as ow as practical and stum s e t standing. T e foun ation o e impoundment structure (dam) shall be cleared of all trees, stumps, roots, brush, sod, and debris. All stumps and all roots exceeding one (1) inch in diameter shall be removed to a minimum depth of one (1) foot. Satisfactory disposition will be made of all debris. After clearing is completed the foundation area shall be loosened thoroughly and roughly leveled, with suitable equipment, before placement of any embankment material. Cutoff Trench: A cutoff trench shall be excavated as shown on the plans. The cutoff trench shall be backfilled in thin layers, not to exceed 8 inches in depth. All standing water shall be removed from the trench before backfilling is started. Embankment Construction: The material placed in the embankment shall be free of sod, roots, stones over 6 inches in diameter, an o er o jectiona a materials. e i ma eria shall ace and spread over the entire fill in layers not to exceed 8 inches in thickness. Con- struction of the fill shall be undertaken only at such'times that the moisture content of the fill material will permit a reasonable degree of compaction. Fill Materials: Borrow areas will be designated on the plans and assigned priority (1, 2, 3, etc.). All fill material shall be taken from these designated areas. SCS technicians will advise the contractor regarding the maximum depth of cut in each borrow area. The contractor will not exceed this depth. In the event this depth is exceeded in the impoundment area, it shall be the responsibility of the contractor, without additional cost to the landowner, to cover the exposed area with a minimum of 2 feet of impervious material. Riser 6 Conduit Pipe: When it is indicated on the plans that a riser and conduit pipe are re- quired, they must be installed as a complete unit. The inlet of the riser shall be protected. by an inverted bucket-type, or an equally effective type, of trash rack. The conduit shall be placed on a firm foundation. Selected backfill material shall be placed around the riser and conduit pipe in layers not exceeding 4 inches and each successive layer thoroughly compacted. Anti-Seep Collars: Anti-seep collars will be of materials and dimensions, and located as shown in the plans where specified. Vegetated Spillway(s): Spillway(s) wil ated.in undisturbed earth to the dimensions, grades, slopes, and location as shown in the plans and as staked upon t e ground.-r Pollution Control During Construction: Stripping of embankment and borrow areas shall be done as they are needed in a normal sequence of construction. Use temporary mulch protection on all disturbed areas that are subject to erosion and will not have substantial additional work per- formed for 30 days or more. Temporary stream crossing structures will be used where fording of streams will cause excessive sediment pollution. Protection against pollutants such as chemicals, fuel, lubricants, sewage, etc., will be provided during construction. Vegetation: All exposed embankment, spillway, and borrow area shall be seeded to an adapted type of vegeta i s s Special Provisions: . (continued on back) GENERAL These specifications are to be made a part of detailed engineering plans of the pro- posed embankment, spillway(s), and reservoir. No changes nor deviations from these plan and &??? chal L be al?withcut a written amendment, in advance of change, from the responsible technician of the Soil Conser- vation ervice. All facilities for impounding water shall comply strictly with all state and local laws regulating such activity. The Soil Conservation Service makes no warranty, expressed or implied, of the impounding structure or the water holding ability of the structure. RESPONSIBILITIES OF: A. The landowner will acquaint himself with the provisions of these plans and specifications to deter ine that the completed structure will fulfill his present and future needs. Inspection during c nstruction will be the responsibility of the landowner. "He ay request inspection by SCS employees dur' nstructio nd u on com letion of work. Wher rom overnment a s, or when the am fa11s under the am Safety Law of 1967, inspection and approval by SCS employees are mandatory. B. Conttactors: The contractor will acquaint himself with the provisions of these plans and specifications, conditions at the site that may affect his schedule of operation, and the location and meaning of all stakes on the site. Failure to do so will not relieve him of the difficulties and cost pursuant to satisfactorily completing the work in compliance with these plans and specifications and any written or verbal contract with the landowner. All bench marks, grade, and line stakes will be left undisturbed and protected by the contractor to facilitate construction and in- spection. The co nthwr ermitting, will schedule his work so that he will start on the agree date and w ntinuous operation until satisfactorily completed. amages occurring to completed work or materials, y t e e ements or of erwise, during con- struction, will be the responsibility of the contractor. Partial or damaged work and/or re- p e materia s damage rom any cause will b- or by the contractor. Absence of in- spections during construction will not relieve the contractor from completin the wore strict compliance with these plans and specifications. Upon com s e ui ment, the contractor will request a final inspection by the landowner and an employee of the SCS. The contractor will t e e-1ve approva as been comp ete satisfactorily an or he may complete those items that P?rv rom a p_ ns an specifications in order that a final inspection will result in approval. C. U. S. Department of Agriculture - Soil Conservation Service: The United States and its employees are in no manner a party to any verbal or written contract between the landowner and the contractor. SCS employees, within limit of personnel available, will inspect and advise on rerhnigues dur, o assure is actory mince the plans and specifications. . tSCS employees will upon reasonable notice, conduct a final inspection for strict compli- ance with all plans and specifications concerning this- structure. Inspection will determine is -ctory completion of work so that a approval may be given for the eligibility of the landowner to receive benefits from any Government agency concerned with this structure, (b final payment ma be made to the contractor, and (c) the pool may be filled under the provisions o the Dam Safety Law of 1967. -2- NOTES ON MC MURRAY POND * Install berm behind NE backside of dam (150' long, 21 depth, 10' wide with 3:1 slope. * Install waterway on south side of dam - approximately 200/ ( ft. long and 30 ft wide - G IT ' y * Clean out all s umps and debris from stream channel. cam,,,,' •C_ * Disk in pasture ahead of time to kill grass and avoid ha?ring to scrape off surface layer, later. * Clear out vegetation within ribboned area. * Excavate 21 deep below waterline at upper end on south side of branch, wh e a i e v 1:111:: ow. * Slope bank at upper end of north side of pond to a minimum of 3 to 1 side slope. * Will ne about 200-bales of straw for mulching. * When core is exgavatpd-acrass stream channel, precautions will be t han it is I C; ack filled wi la Th' or ?temS ar dam above core or excavate the channel to one side. will ma determina ion. the Ductile Iron ?'1r?e The pipe conduit shall be placed on a firm foundation to the lines and grades shown on the plans. Installation shall be performed skillful an worlunanlike recomme dations andnthe1followingnce with the manufacturer requirements. The contractor may elect to overfill theeonpdu pet foundation and the adjoining area prior to laying th amount of overfill will be limited to two feet vertically cond uit trove the planned minimum bottom widthnofffourhfeet with trench shall have a 3:1 or flatter side slopes. Prior to laying the pipe, a bedding trench shall be prepared for the pipe by filling approximately two inches above grade with compacted material. The foundation area for the pipe shall then be excavated to approximately one inch below the planned invert elevation for the pipe and shaped to conform, to the outside diameter conformstotthe pipe1CthetYiat shapedhtopipe. this area is properly shaping shall be performed by hand unless an alternative method is approved by the engineer. Also, a templet equivalent to the outside diameter of the pipe (with screed), shall be used to check the shaped area to insure that it conforms to the pipe diameter. One inch of select impervious moist material shall be placed in the shaped bedding trench immediately prior to placing the pipe. The pipe shall then be placed to line and grade and firmly and uniformly bedded in the bedding trench throughout its entire length with select impervious moist fill material.' The area supporting the JOintS shall be over excavated as necessary to allow for assembly and to insure that the pipe barrel is uniformly supported by the soil bedding. Select moist backf ill material shall be placed and hand compacted around the pipe conduit at approximately the same rate on both sides of the ripe. Compaction around the bottom half of the pipe must be firm to fill all voids, but' extreme caution must be exercised to prevent damage, movement, uplift or deflection of the pipe. 1004 1363 - - - (/I i --_ M o - d T ray. ?? ?? Q 263 b 4C4_1 `I o I o 1303 R6-E. fie 1618 { i 1 \ _ Cour5E Aim `- 19 1359 ^? O? 1126 wed ?? - 1101 _ _ ° 281 /1009 r jv, 1351 .av.6 \\\\ t IT - 1356 - \ /° Cem t Ch 1353 `-- - ? _ - _. " v \ (1101 _ 1103 *41 S. wy ixbv. 0, - •1? ?? 6T 1343\° . 308a 2. T _ -C - - --sa14?y springs n 354 1355 / ?- • _ a?`?\` ° - - 1104 1102 rt - - -- 1305 3G-) ` 1 Birch McMurray Farm Pond POTENTIAL IMPACT STUDY REPORT Prepared by Gerald Harbinson DESCRIPTION OF POTENTIAL IMPACT AREA If the dam were to suddenly breach a flood wave would flow own the f oo p ain below the structure. Approximately 4,000 ft. downstream the creek joins two other streams and flows into a double culvert under County Line Rd. Over this distance a flood wave would s read out into the flood -plal-n °--- P AFFECT ON THE AREA FROM A SUDDEN BREACH A sudden breach would be life threatening for anybody in its path. No improvements can be made downstream of the dam in the pot ration impact area wi re-evaluating the hazard class of dam. PRECAUTION ON DEVELOPMENT Any development downstream of dam that changes the hazard class will require either an up-grade of the dam to the approximate hazard class or removing the dam. DAM CLASSIFICATION See attached NC-ENG-34 U. S. Department of Agriculture NC-ENG-34 Soil Conservation Service September 1980 File Code: 210 HAZARD CLASSIFICATION DATA SHEET FOR DAMS Landowner Qi rc? file Al krr? ? County ? /41, Community or Group No. A -10 Conservation.Plan No. Estimated Depth of Water to Top of Dam 22 Ft. Length of Flood Pool 5_5 o Ft. Date of Field Hazard Investigation 3171 97 Evaluation by reach of flood plain downstream to the point of estimated minor effect from sudden dam failure. Est. Elev. : Est. Elevation Kind of . ,:Improvements: of Breach Reach: Length: Width: Slope: Land Use Improvements Above :Floodwater Above : Flood Plain: Flood Plain Ft. Ft. % Wood lt'--%d al ri'G..k (`, V.C . Ft. ?)o n Ft. Y-Ff 1 : ,3od0 3o a .? asc??e -?G<<eS V. • W god 1a,,d A4) ^P_ ? 1Q Wvo 3 pfd D Boa 44- 1 Describe potential rovements from a im for loss of life and damage to existing sudden breach Pow-fi'0 -Fo r /oss -or probable o?' /. ?? n future downstream cla M rc.E r p ??tis rea w? i s ?^1ih ?o -a ? i5 W 0 d C-d W 1k - 1W10 J, pe t `?"tks 0-., o1 / S "'kc L e-h c Sc"•t v - 0 I S &ae, s-ll? Petc_ hes 2 3 e wafer < c -err' 6 0 f' {le-nc ear (ree Hazard Classification of Dam (a, b, c) (see NEM-Part 520.21) Q Dam Classification (1, II, 111, IV, V) 1i- By Concurred By kvnc, p name title 4 Date 7 Date 347 NOTE: 1. Instructions on reverse side. 2. Attach additional sheets as needed. INSTRUCTIONS All dams built with technical assistance from the Soil Conservation Service must have a hazard classification assigned by the person responsible for approving the design. Most farm ponds, except in borderline cases,-can be classified after a complete field investigation without assuming failure and making breach studies. This data sheet is to be used for recording the information obtained through field studies and for documenting the hazard classification. Where there is a possibility for loss of life or major property damage from a dam failure, an approved breach routing procedure is to be used. (Consult with the area engineer.) Hazard classifications of dams are made by evaluating the possibility for loss of life and the extent of damage that would result if the dam should suddenly breach--that is--a section of the dam be suddenly and completely washed out. It is to be assumed that a wall of water will be released equal to the height of the dam. This flood wave will be reduced in height as it moves down the flood plain: The wave height (depth of flooding) should be evaluated for a sufficient distance downstream until the estimated flood level will not cause significant damage to improvements, such as homes, buildings, roads, utilities, reservoirs, etc. The breach flood level will be reduced depending on the valley storage, slope, and openess of the flood plain; however, in a narrow steep valley slopes steeper than 10% should be given special consideration. One method of evaluation is to compare available valley storage (under flood conditions) to impoundment storage (figured to the top of the dam) for each reach evaluated with a judgment estimate made of the flood wave height at all critical points downstream. Should there be any questions about the hazard classification for a dam, the area engineer should be consulted before making design commitments. t1 VEGETATION SPECIFICATION Rip and disk all disturbed area 5" deep. Incorporate two tons of lime per acre. Apply 1000 pounds of 10-10-10 per acre--smooth seedbed. Unifo lbs. of fescue seed per acre and 25 lbs. of Abruzzi rye grain per acre. See ing should be completed be ween arc 15 an u n e 1 or August 15 and October 15. Immediately mulch witb _2 one o? ??ain straw or tame hay per acre. Reseed any rilled or gullied areas that may develop. Note: NRCS will determine area to be seeded before vegetative work is started. t Treatment of Critical : Erosion Areas With r` Permanent Ground Cover United States Department of Agriculture Soil Conservation Service Raleigh, North Carolina NC-190-111 What Is a Critical Erosion Area? A critical erosion area is any erod- ing, sediment-producing area such as excessively eroding cropland, cuts, fills, streambanks, landfills, roadbanks, dams, spillways, bor- row areas, and denuded or gullied areas where vegetative stabilization is difficult by ordinary methods. Stabilizing these areas will reduce damage from sediment and runoff to downstream areas, and improve wildlife habitat and visual resources. . Solis Usually the soil material on which seeding or planting is to be done is infertile, poor in structure and ag- gregation, low in organic matter and may be highly acid. This ma- terial is highly susceptible to ero- sion due to slow water intake and rapid runoff. To aid in overcom- ing these conditions, organic mat- ter can be applied in the form of manure, lime applied where needed, and appropriate commer- cial fertilizers added. On most sites, four inches of loamy topsoil applied to the site before seeding enhances establishment of ground cover and minimizes maintenance. Site Preparation Where equipment will travel over the site during planting and/or for maintenance after establishment, slopes should be no steeper than 3:1. Where practical, fill and shape Bullied areas. Install neces- sary water control measures such as diversions, waterways or out- lets, subsurface (tile) drainage and terraces. Remove all debris, such as stones, tree stumps, etc., that may interfere with seeding and maintenance operations. Seedbed Preparation Scarify surface to a depth of at least four inches with a disk or other suitable method. In some situations, such as drainage ditch banks, spoil banks, etc., scarifica- tion can be excluded if lime, fertil- izer, and seed are applied to the roughened surface within one or two days after earth moving. Lime And Fertilizer The amount, timing, and method of application of lime and fertilizer materials are very site specific. These are to be determined by the person providing assistance from the SCS office, in accordance with current guidance in 342-II of the Field Office Technical Guide. Plant Selection And Specifications Select plants which are best suited. In making the selection, keep in mind the plants' characteristics, cli- matic adaptation, the intended use, and level of maintenance re- quired. Suggested time of seed- ing, rates of seed and mixtures for specific uses should be obtained from the soil conservationist. Whenever available, certified seed tested within six months before seeding should be used. Legumes should be scarified, if necessary, and inoculated with the proper strain of nitrogen-fixing bacteria be- fore seeding. When grass is established by using stolons (sprigs or runners), use pre- caution to make certain only fresh, moist planting material is used. Seeding Or Planting Uniformly apply seed with a drill, cultipacker seeder or hydroseeder. Seed may also be broadcast by us- ing a whirlwind or cyclone seeder or by hand. Cover the seed 1/4 to 1 inch deep, depending on the size of the seed, and firm the soil except where a cultipacker or hy- droseeder is used. Mulching Mulching is a very important step in establishing vegetation on criti- cal areas. Mulch will help hold moisture, protect soil from ero- sion, hold seed in place, and keep soil temperatures more constant. It should be applied uniformly by mechanical means or by hand. Some bare soil should still be vis- ible through the mulch. Hay or straw or other fibrous mulches are best for mulching newly seeded areas. Most mulch materials are subject to blowing and must be tied down by anchoring or press- ing into the soil. Netting, asphalt spray, peg and twine, or other methods may be used. Maintenance Lime and fertilizer should be ap- plied under a regular program based on soil fertility test and the use and general appearance of the vegetative cover. In the absence of a soil test, the following are sug- gested lime and fertilizer rates: One to two tons of limestone per acre every three to five years, and at least 40 pounds each of nitro- gen, phosphorus, and potassium (400 lbs. of 10-10-10 or equiva- lent) per acre annually. Nitrogen may be reduced one-half or more if legumes are established alone or with grasses. Care should be taken not to dam- age the vegetation mechanically through use of improper mowing equipment or by too frequent and/or close mowing. Where to Get Help For assistance in planning and es- tablishing treatment on critical ero- sion areas with permanent ground cover on your farm, contact your Soil Conservation Service. For more details, see SCS Conservation Practice Standard 3424h Critical Area Planting. All programs and services of the Soil Conservation Service are offered on a nondiscriminatory basis without regard to race, color, national origin, sex, age, religion, marital status, or handicap. October, 1992 • U. S. DEPARTMENT OF AGRICULTURE NC-ENG-13C Soil Conservation Service Nov. 1982 OPERATIONS AND MAINTENANCE PLAN FOR FARM POND OWNER The purpose of this plan is to provide guidelines for carrying out the routine maintenance work needed to keep this pond operating as planned. Routine main- tenance 'is considered to be normal-good care of the pond. Good maintenance adds to beauty, usefullness, and permanence. In addition severe storms that cause flow in the vegetated spillway will likely call for maintenance, such as, replacing and compacting soil in washes or gullies, reestablishment of vegetation, removal of debris and the like. When such work is necessary, the Soil Conservation Service, if requested,.will provide technical - assistance to help with the repair. This type of maintenance should be done as soon as possibleafter damage is discovered. -- The routine maintenance of this pond involves the following: 1. Maintenance of a vegetative cover on the dam and in the spillway: k`i? 3t FPSC(A<_' (Type of Vegetation) is being established on these areas. Beginning in 19 (Year) and each year thereafter, the dam and spillway should be fertilized with ,Sao pounds of /0-'10 -to per acre to maintain a vigorous stand. 2. Removal of logs, brush, or other trash from the entrance of the pipe spillway, the grass spillway, and the face of the dam: This should be done after each rise in, the pond surface that deposits such material. Unless this material is removed, the pipe spillway is likely to become clogged and the vegetation killed in the affected areas. 3. Control of weeds, brush, and trees in the grass spillway on the dam and in the outlet channel for a short distance below the pipe outlet: This may be done by mowing, spraying, or chopping, or a combination of all three. This will need to be done at least once each year and possibly twice in years favorable to heavy growth of vegetation. You may check with the loc21 Extension Agent or SCS office for the latest information on spray material and the best time to apply them. 4. If the dam_and spillway are to be grazed, be sure to remove all live- stock when grass has been grazed down to a height of 4 inches. Also, remove livestock when the dam and spillway are wet and soft. Severe damage can he donc__b_y_1iv_P_SGo6k. at Ruch timer, 5. Protection of the Grass,Spillway: The spillway'can be severely damaged by uncontrolled vehicular traffic. Trails or ruts made by such traffic could become large gullies when outflow occurs in the spillway. If ruts or trails appear to be forming, stop all traffic within the spillway area. - 1 - f \ 6. Erosion by Wave Action: It is not expected that erosion of the dam by waves will be a severe problem. However, should such erosion start, lower the level of the lake until the water surface is about 4 feet below the eroded area. Replace the soil that has been eroded away, tamp it in place, and resod. Fertilize when the new sod takes root. Keep the water surface drawn down and exclude livestock until the new sod is firmly established. Maintenance inspections of this pond should be made during the initial filling, at least annually, and after every major storm. Items to be checked should include, as a minimum, the following: 1. Principal Spillway a. damage or obstructions to trash rack or gates b. condition of riser and pipe (1) signs of seepage (2) separation of joints (3) cracks or breaks 2. Emergency Spillway a. erosion b. sedimentation c. weeds, small trees,'logs, fences, or other obstructions that reduce channel capacity or may block flow 3. Reservoir Area a. fallen or cut trees b. undesirable vegetative growth c. other floating or lodged debris 4. Embankments a. settlement, cracking or "jug" holes W._ side s ope stability - slumps or ulges c. erosion and/or wave action d. rodent damage - 2 - e. seepage or other leakage f. condition and functioning of toe drains, if applicable g. condition and type of vegetative cover 5. Outlet Channel a. condition of riprap and plunge pool, if applicable (1) undermining or displacement (2) damage or deterioration (3) side slope stability b. bank cutting c. sedimentation d. fallen trees or other debris accumulation e. adjacent property damage 6. Fences and Gates a. general condition (1) loose or damaged posts (2) loose or broken wires (3) open or damaged gates 7. Additional specific items of importance for the maintenance of this pond are: - 3 - ICS-ENG-533 Rsw. 5-70 U. S. DEPANTIAENT OF AGRICULTURE SOIL CONSERVATION SERVICE SOIL INVESTIGATION" TO DETERMINE SUITABILITY OF PROPOSED POND SITE FARRIER-8' NAMZ- 1 rc rill, DISTRICT Poir i r., ills DATE 3 CouM-Y S. C. S. PH f f EET NO. WORK UNIT WATERSHED AREA NEASUREN&M CROPLAND ACRES PASTURE ACRES WOODLAND ACRES TOTAL. ACRES POND CLASS WORK UNIT CONSERVATIO.:IST SKETCH OF PROPOSED POND SHOWING WHERE BORINGS WERE MADE tAV arm erale 1" _ 260 feet) Locefa rrteraaco point in cantor lino of door and idwrd* on skakrh. pt I t l f i IT 1-3 f 1 1 0. f t i SHO N DEP I?Ii BORING NUMBER AND PROFILE Make and last door-sue and spithaay borlrys flat • than soon" arse and bongo off barbye - worwis with arfiiwi oat Mo. fContfnued on bard whore nao serW Shwa seater fable elowifoas an dare-slfe boring. SCALE 1 2 31 1 4 3 6 7 8 9 10 11 12 13 14 16 16 17 1S 19 20 21 22 23 o- s L G L. st, SG -l G C - Mu Cr !Z1 U. rl a. L Cr c. CL i CL C.G 4M Cl. G SG CL D ?1L M L NI Cr S C(- c(r I.. ?- M G Ah BO LNGS MADE BY !? • Mr b i r Q? SIGNATURE & TITIE ?? , c tea.. ,S, A-h r Lo ke So i Ce-nS2v df o-, TYPES OF MATERIAL ENCOUNTERED IN BORINGS (IJse one of sy%tems below) UNIFIED CLASSIFICATION ( USDA CLASSIFICATION GW - Welt graded gravels; gravel. sand mix f g- gravel. GP - Poorly graded gravels s - sand GM - Silty gravels: gravel-sand-silt mix GC - Clayey gravels; gravel-sand-clay mix vfs - vfary fine sand sl -sandy loam SW -Well graded sands; sand-gravel mix fsl -fine sandy loam SP -Poorly graded sands 1- loam SM -Silty sand gl -gravelly loam SC -Clayey sands: sand-clay mixtures si - silt ML - Silts; silty, v. fine sands; sandy or clayey silt sil - silt loam CL -Clays of low to medium plasticity cl -clay loam CH - Inorganic. clays of high plasticity ` sicl - silty clay loam MH -Elastic silts I sci -sandy clay loam OL- Organic silts and silty clays, low plasticity I sic - silty clay OH-Organic clays, medium to high plasticity c-clay 1. Suitable material for embankment r, available ;KYen o No flndrectr when tocatea on the sketch on rauvrw tide) REMARKS: J o r 7 0 aJ a r 2 a. s a 2. S 110 '_U 'Al 0 t7r a 2. Explain baxarda requiring special attention in deRifcn f.Seraape. farina.. rock etc) MCINE GENERAL REMARKS: ALL rd(-41 + to-0 r 61 r e_ al"! c,!G Mel C o rrv,, koac. e- I w +I, ; u 6 ? e 24 25 26 27 28 29 .10!131 [1321 133 134 11 35 1_36 11 37 38 !139 1 40 41 42 43 44 45 461 1 47 48 49 50 11 51 I I' I 1 i I q I i I I I 11 + 1 i I J Cr 14 0 T tixjc.. fr'r eR ?, ? .Acres LJI f Inc-e-j--c Poot siZC- ? s?rr?f- 1 3/4 1/2 1/4 0 1 0.5 0 EARTH EMBANKMENT s Name ?? 1' Grl fila 1Y rd y Address Embankment: Top Width _ STATION FILL HEIGHT (Feet) END AREA (Sq. Ft.) SUM OF END AREAS (Sq. Ft.) DISTANCE (Feet) DOUBLE VOLUME (Cu. Ft. ) ° ? l3` 6 80 0 0 _ /Oo G2 !O 2 ? 7 S4 i! G 4 ? . O 2 4-5S, / 2f?'' 9 0 0 6 0 2,7 2 -3 l`f 0 D 8 ? 3 6 0 24 -74 :20,3 Ro 159 / - / 1/l ? l l2 o b - 1 2+ 1771 8 / c Y . `4c o 15.2 30 3 00 3+ ?`f. 8 835 50 oso ,0 q Y3 SO 57 7 4q 5 - ?. -74 0 Y3,6 158 Ll 32!j 1 1. Double Volume of Fill t 2 .x(80 y 7 Cu. Ft. 2. Volume of embankment fill (line 1 t 27) _ Q qZ Cu. Yds. 3. Allowance for settlement (5 or 10% of line 2) yu? Cu. Yds. 4. Total cubic yards (line 2 + line 3) Cu. Yds. ' r Computed by `U'Date ?a Side Slopes ,$10E5 EFM-2 ESTIMATING RUNOFF AND PEAK DISCHARGE VERSION 1.10 ,.Bent Birch McMurray By: c,CH Date: 04-09--97 7ounty. Polk State: NC..-. _ Checked: Date: Practice: Pond Drainage Area 92 Acres Curve Number 60 Watershed Length 2000 Feet Watershed Slone 12 Percent Time of Concentration: .461 Hours Rainfall Type II Storm Number I 1. 1 1 3 1 Frequency (yrs) I i 1 10 1 25 1 I 24-Hr Rainfall (in) 1 :3.5 I I I 1 6 1 7 1 I to/P Ratio 1 0.34 f I I 1 0.22 1 0.19 1 I Runoff (in) 1 0.53 I I I 1 1.92 1 2.60 1 I Unit Peak Discharge 111. 5196 ! i I 10.77:3 10 .795 (cfs/ acrt:/in) I I I i I I I I Peak Discharge (cfs) 1 29 1 137 i 191 I `ond Owner P"c 1{ r,,? Address s;ounty 20 1K Ielephone No. Locat iun Code DETERMINATION OF RUNOFF CURVE NUMBER FOR ANTECEDENT SOIL MOISTURE CONDITION 11 (Chanter 2 - Engineerine Field Manual) Land Use Or Cover Treatment Or Practice Hydrologic Condition Hydrologic Soil Groin Acres Curve No. Curve No. x Acres Tc? : f_ CTO_ _ o is 1 I pp S GoocL._ _-- ?° Sum of Acres = QZ Sun of Product Sum of Curve No. x Acres __ 5 y d 8 _ weighted Curve No. = Sum of Total No. Acres 9 Z _ 58• g I's r- CN = (p? ` GENERAL DATA I SLR"^•IARY Hazard Class - /? (NE", 520.21(e)) Drainage Area - Q 2 Ac. Average watershed Slope - 22 Normal Water Level Required Storage (Ft.) Crest Emergency Spillway Elev.-?? +_ 2,0 Elev. q5.8 + 1.3 Elev. 97. 1 F:l fv qp. ? Slope Interpolating (Correction) (EFM Page 2-8.1) Factor - Normal Pool Surface Area - 2.1 Ac. Effective Height - 18 Ft. (NEM 520.21(d) Storage - 14.4 Ac. Ft. (NE.M 520.21(b)) Effective Height x Storage - 2 59. Engineering Job Class - =: (NEM NC 501.09 Emergency Spillway Stage (Hp) (Ft.) Design High Later Freeboard (Ft.) Settled Top of ban. I Est. Storage to Top of Dam 2o,3 Ac Ft Overall Height (NEM 520.21(c)) -22.1 Ft. Dam Safety e.5 Inventory Size (NEM NC 501.09) (NE": 520.21(f)) REQUIRED DETENTION STORAGE (PS-378) (EFM - Chapter 2, Rainfall Data Maps) I Yr - I Day = 8, Inches Rainfall = E3 Inches Runoff (EFM - Page 2-51a ( •S3 In. Runoff)(9Z Ac. DA) Required _ 14.1 Ac.Ft . Storage 12 In./Ft. 4.1 Ac.Ft. Z,j Ac.(Pool) ?95 Ft. Use 2 }'t EMERGENCY SPILLWAY DESIGN (PS-378) (EFM - Chapters 2 & 11) 25 Yr - Day = _'7_ Inches Rainfall = (I91 CFS)(__?) CFS (EFM 11-53 Lo 11-54h) Retardance: C Maximum Velocity: 5 fps Length Control Section: S }. Discharge (q) = 3 CFS/ft. Stage (lip) ft. Outlet Slop,- Ranl;r 1 _ Min L Max Bottom Width = Q _ q :3 Ft. Use -4P5 Ft L's(- outIv-, %:omputed By Jarmes )m,+ -T, H6r6iusoki Date Checked By Date .T N Ul &. ?r n° s 3 ? o Z Z V+ LA M LA z -q .s cnw - ?-4? 0 z° o ?mrr% U1 0 z -23 o ., r a ? a {° o l\ a o '?- b ° Jp Z z ` t2d ?j Od lip Ll > • ? N o ? i rzj C i ' h ; IN 1. F- t 1 i j." Z rr' rn o LA CP 1 m N N N N_ ?_ r N U ? ? N ? m fi 9TI r M 1 O ? V b r ? 10 r th > a v ? z 2- Cp V o ? d?'f W a? nd ? °zro r o ; ?a Oy os 0 R m w ? ? ^ s pl '? I 0 0 7D rn a. ? m a m :z LA ot 10 D c3 z ? a ? r- L ? Z T b m? O Z .? T z. co O Z z?0 r?c? r N ? ? o r z to ? t+i c? r `D b O r c a a? z V r m u V) a r r- oc Tn b N H c m :a D m b Name: Inc- h fli: r` County: :be ?1rC Address: Field No. Farm No. Tract No. Field Sketch ft. top width d •! ft. Cross Section of Waterway F ft. minimum bottom width Seeding Materials Item Kind Rate - Total Amt. Seed -CUC- Ib/ac ?2 b, Ume ?GG i?ae IQb Fert. 2L2 -lb/ac 2v o Ib Mulch -T-O t t I I C &,.is ?# n Gro,'P Netting ZGo Crum, a f ft,U IC A kiF k. (adcL 40o s-fow ie-n, Amount to be vegetated . ?- (ac) Note: Standard designs approved by area engineer .may be used. Show design number. Note: Construct waterway to dimensions shown. Parabolic shape can be obtained by disking during seedbed preparation. Remarks T tJo r,r , e d c -!'y Design by: e? Ijl?s Date: ` r J ed --- Approved by.l m) ,cs ;s T ? Date. a 7 r kl2cS T?h Design Data 5 4-0 RJ d .1 rc?- CONSTRUCTION SPECIFICATION CONCRETE 1. Scone This specification covers the quality of concrete, steel reinforcement, the forming, placing, curing and other requirements for concrete construction of simple slabs, low walls (not to exceed 4 feet), curbing, aprons, ballast etc. 2. Definitions In this specification, the "engineer" is the designated Natural Resources Conservation Service representative. The "contractor" is the individual or company who.performs the construction. 3. Comoosition Concrete shall be composed of Portland cement, fine and coarse aggregates, water and, when specified, air-entrainment, set retardant or other admixtures. These materials shall conform to the following requirements: Portland Cement - Portland cement shall meet the requirements of ASTM Specification C-150 for Type I cement unless otherwise specified. Cement shall be properly stored and protected from weather, dampness or other destructive agent. Any cement which is damaged will be rejected and not permitted to be used in the work. Aggregate - Fine aggregate shall meet the requirements of N.C. Department of Transportation (DOT) standard size number 2S. Coarse aggregate shall be N.C. DOT size number 57 or 67. Water - `,Hater shall be clean and free from oil, salt, acid, alkali, organic matter or other harmful substances. 4. Design Mix The contractor shall designate the .design mix and submit it to the engineer for approval prior to placement of any concrete. Unless authorized by the engineer, the concrete mix will meet the following guidelines for a cubic yard of concrete: Cement 564 lbs. minimum - (6 bags) Coarse aggregate 1850 lbs. maximum Fine aggregate 1450 lbs. maximum Water 6 gal./bag of cement maximum-(36 . gallons) The contractor will submit evidence as required by the engineer, showing that the - concrete ingredients comply with the requirements of this specification. After the design mix has been approved, no change in the source, character, or grading of the materials shall be made without due notice to the engineer. No new aggregate, nor any aggregate found to differ in quality or properties from the materials on which the design mix-has been based shall be used until the engineer CONCAE-E MRCS-NC Juw ?°°? Area 1 Page 1 has determined its conformity with specifications and has approved a new design rnix based on the new or altered material. 5. Consistency the amount of water used in the concrete shall be the minimum necessary to obtain the required workability. In no case shall the water content exceed the amount designated in the design mix. The consistency of the concrete shall be such that it can be worked readily into the corners and angles of the forms and around reinforcement with the method of placing employed on the work, but without permitting the materials to segregate or excess free water to collect on the surface. The free water contained in the aggregate must be considered as a part of the mixing water in computing the water content. The slump shall be between 2 and 4 inches when tested by "The Test for Slump of Portland Cement Concrete," ASTM Designation C-143. 6. Mixers and Mixing Concrete may be furnished by batch mixing at the site of work or by ready-mix methods. The mixing equipment shall be capable of combining the aggregate, cement and water into a uniform mixture and of discharging this mixture without segregation. When the concrete is delivered in ready-mix trucks, the delivery ticket must show the time of batching and the amount of each of the ingredients in the load. 7. Forms Material - Forms shall be of wood, steel, or other approved material. Construction - Forms shall be true to line and grade, mortar-tight and sufficiently rigid to prevent objectionable deformation under load. The form surfaces shall be smooth, free from irregularities, dents, sags, or holes when used for permanently exposed faces. All exposed joints, edges, and external corners shall be chamfered unless otherwise directed or indicated on the drawings. Bolts and rods used for internal ties shall be so arranged that, when the forms are removed, metal will be not less than one (1) inch from any concrete surface. NACS-,%C Area 1 Page 2 CONCRETE -lulY 1 °94 1 s for exposed surfaces shall be coated with a non-staining form oil hafl.be applied before the concrete is placed. After oiling, surplus oil on a form surfaces and any oil on the reinforcing steel or other surfaces requiring bond with the concrete shall be removed. Forms for unexposed surfaces may be thoroughly wetted in lieu of oiling immediately before the placing of concrete, except that, in freezing weather, oil shall be used. Removal - All form removal shall.be accomplished in such a manner as to prevent injury to the concrete. Forms will not be removed before the expiration of the minimum time indicated below except where otherwise directed or specifically authorized. Beams and deck-type slabs 14 days Walls and slabs in contact with the ground 3 days S. Embedded Items Before concrete is placed, all embedded items will be firmly and securely fastened in place as indicated on the drawings. Embedded items shall be free of oil and other foreign matter. 9. Steel Reinforcement All reinforcement shall be free from flaky rust, oil, grease, paint or other substar:ca which would impair the bond between concrete and steel. Steel bars for concrete reinforcement shall be deformed billet-steel bars, conforming to ASTM Specification A-615, Grade 40. Welded steel wire fabric shall conform to the requirements of ASTM Specification A-185. Reinforcement shall be accurately placed and secured in position in a manner that will prevent its displacement during placement of the concrete. Splices of reinforcing bars shall provide an overlap equal to at least 30 times the diameter or the smaller bar in the splice. Welded wire fabric shall be lapped as directed by the engineer. 10. Convevina Concrete shall be conveyed from mixer to forms as rapidly as practicable by methods which will prevent segregation or loss of ingredients. There shall be no vertical drop greater than five (5) feet except where suitable equipment is provided to prevent segregation and where specifically authorized. No concrete shall be placed until the engineer has given his approval of the subgrade, forms and reinforcing steel in place. No concrete shall be placed until the engineer or his representative is present. The contractor shall notify the engineer of his intention to pour at least 24 hours in advance. Before any concrete is placed, the forms and subgrade shall be free of chips, dfrt, sawdust, or other extraneous materials. 11. Placina General - Concrete shall be worked into the corners and angles of the forms and around all reinforcements and embedded items without permitting the materials to segregate. Concrete shall be placed within one and one-half (1-1/2) hours after '. the introduction of the cement to the water and aggregates. Concrete, when deposited in the forms during hot weather, will have a temperature not greater than 90OF at the time of placement. Ice may be used as a portion of the mixing water to control temperatures provided all ice is melted in the mixing process. When the atmospheric temperature reaches or exceeds 900F, the concrete shall be placed within 45 minutes after batching. Concrete, when deposited in the forms during cold weather, shall have a temperature of not less than 40OF nor more than 80oF. The aggregate and mixing water may be heated to control the concrete temperature; however, the temperature of neither aggregates nor mixing water shall be more than 100OF just prior to mixing. The materials shall be free from ice, snow and frozen lumps before entering the mixer. Concrete shall be deposited as close as possible to its final position in the forms. The depositing of concrete shall be regulated so the concrete may be consolidated ` with a minimum lateral movement. Concrete shall be consolidated with the aid of mechanical vibrating equipment supplemented by hand-spading and rodding. Vibrating equipment shall be of the internal type and shall at all times be adequate to properly consolidate all concrete. All concrete-placing equipment and methods shall be subject to approval. Lifts in Concrete - All concrete shall be deposited in horizontal layers approximately twenty (20) inches in thickness unless otherwise authorized or directed. The placement shall be carried on at such a rate that the formation of cold joints will be prevented. If a delay occurs in excess of a forty (40) minute interval between any two (2) consecutive batches or loads, or in case of any delay between placing of batches that allows previously placed concrete to take initial set, the contractor shall discontinue the placing of concrete and make a constructicn joint satisfactory to the engineer before proceeding with the placing operations. Concrete on Rock Foundation - Where concrete is to be placed on rock surfaces the rock is to be clean, free from oil: standing or running water, mud, objectionable coatings, debris, loose semi-detached or unsound rock or fragments. All rock surfaces shall be wet immediately prior to placing concrete. Concrete on Earth Foundation - Unless otherwise authorized by the engineer all concrete shall be placed upon clean, damp surfaces which are free from frost, ice, standing or running water. Concrete shall not be placed upon soft mud, dried porous earth, or upon fill that has not been subject to approved rolling and tamping. Where concrete is to be placed on dry surfaces, action must be taken to prepare a damp, moist surface prior to placing. 12. Construction Joints The placing of concrete will be accomplished so that construction joints occur at locations shown on the plans or as approved. As a lift is completed, the top surface shall be immediately and carefully protected from any condition that will adversely affect the hardening of the concrete. Joints shall be clean and kept damo until the new concrete is placed. 13. Expansion or Contraction Joints C0NC1= E NF^5 `:? I =c- US Department of.Agriculture NC-CPA 16 Soil Conservation Service 4-92 ENVIRONMENTAL EVALUATION (Arra_ y County FO Land User/Owner F ( Te-?i, 1277 ct /M Location/Tract & Field Number N76 07 Acreage Z/ l?cr? s Prepared Date IYZI Z 3? 9 7 Brief Description of Planned Practice/RMS/Project Measure: oAjS Z /-tar r? Do ?U d r o r e Coy ?-ro &k-1-?c r ?` uc / apt)1p CPCrfce{-ro;Q Environmental Factors and Resources to Identify and Evaluate J 1. Is wetland included in the planning area: (References: NCPM; 190-GM 410.26; Hydric soils list; Classification of Wetlands and _ Deepwater Habitats of the U.S.; National Wetlands Inventory Maps; NFSAM. ? . No Yes - If yes, -- Identify types present -- Attach environmental evaluation showing what effect planned assistance will have on wetland and how this assistance is within policy, -- Have needed permits (CAMA, DEM, Corps, etc.) been obtained by the landuser? -- Make sure no planned practices will put the landowner in violation of Swampbuster 2. Endangered and/or threatened species: (References: 190-GM 410.22; Technical Guide Section I-i(13) and Section I-vii ? No Yes -- Identify species whose range and habitat needs indicate they might occur in planning area -- Identify on map any designated critical habitat 3. Is a designated natural or scenic area included in the planning area or will planned actions impact on an adjacent natural or scenic area? (References: 190-GM 410.23 and .24) ? ____. No Yes - If yes, encourage landuser to consult with concerned agencies, societies, and individuals to arrive at mutually satisfactory land use and treatment. 4. Does the planning area include the 100-year flood plain? (References: NCPM; 190-GM 410.25; HUD Flood Plain maps) k--l' No Yes - If yes, -- Is the assisted action likely to have significant adverse effects on existing natural and beneficial values in the flood plain? --- Is there a practical alternative outside the flood plain?. -- Has the flood plain been used for agricultural production for at least 3 of the last 5 years? 5. Is an archaeological or historical site located in the planning area? (References: NCPM; 420-GM 401; National Register of Historic Places) ? No Yes - If yes, have steps been taken to ensure the protection of this area? &. Are there any prime, unique, or locally important farmlands in the operating unit? (References: 310-GM) t/ No Yes - If yes, identify on a soils map or legend. 7. will-the action result in sodbusting? ? No Yes 8. Will the action result in swampbusting? No Yes 9. Is there a potential for controversy? From whom? 1 10, ? No Yes 10. Are permits required?/Should the person contact permit agencies? No ? Yes J When an environmental factor or resource is identified on the site, the user will refer to the appropriate reference for policy and document the appropriate action in the notes portion of this form. NOTES, DOCUMENTATION, FOLLOW-UP I M Cl) -00 i \ z < z a y1 u ? 7 oe W J J G C am co (? •o 7 0 r S Q J o- I y. I ? ? O A? M E? N ({ o ?4, N ? L c ?u V \ Q c g V4, J c S v ? ` t Op C ? u u N v N v N o N v N v O) ? ? u u u u u M c ` T c d o ? I CSO ? N 41 O U- ?{ W N N V x 6 Z W L w ? W Y W co Y a N Q A J G X ? N ? g x L u ` ? 4 E _ o O q = u ~ o + o o o = C f ? C C O • O W Y q q q ° > u > s .- c Y1 ? S q V y x W O 6 Sl ? ?I I a o y z° .u a " 0 o w a c w 4 a w v w a W 6 H L) Go A A ? ? ? a4 w a a N ttl x as a cI o a p P4 `'JI _ w UO a q C O O A d H vLi .? N 61 ? `? H ? N S3 ? D, a P4 ' tJ N H U Ai d 4) H a M o A o ;_ A d kgA H FUq ? J / ai f ' O o a ??I -? 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I' l I ?!! . I•' I T l ? . I !. i i + i l l l l l I? ! {?? 1 'i 111 fill _11 ! 1!_ !I I. Ii I?lLll 'ii j1 1il!II + jj! ;11 '?jjil,l !'ili (? 11l liil 1.I l.!1 ! tljl !I! Illl! ili il:,Iii I1! !II I! i.l i' !'il! !lij±li'I ?l;il!' III if lliltlll?? I;? 111 ,' it I•!l I!I!II1 i ' `I- - - Li?1??1 i?: iilli . ;; i111;!,i;;,,; !I1111'i i 11 !!!l l1i I 1}'I.i?? i it i. il Hill ?!lilil! Ir;l! II,IIt I!? r l l 1 I,, !I I I li fly , i, ? I ?.na c=3 ?• r C 1 i . , F rt.??t' II far•' l ?? m rr?l=? SZ? t„ tiff I I,i Ill?i!' i!II? • i i l ?•! l ? ! l iii i? i ?. I 111, i! ll I! 1 ! fi i1 i I i!ii1 .?I,1 i' I I I + , i i i l" !1 ,?1? ? Ii!III Il!j,. , ! !StINN !?W l. la UA AL Jf`q? J p I! W II !, i! 1 1 W ? I I A! 1 i I a!'N'p I II,?Wi I I; 1 I i? Z l O I N? ' w I ?? I '+ I I I? I l l j 'I I'!' ll'1111"li I. I! f'1!?I? j I IIl ! !,1, , I lli I;;Lii111? ; '?i,? li?lili III I Il ?i !I U.S. ARMY CORPS OF ENGINEERS WILMINGTON DISTRICT Action Id. J 51970.2-7.2 County Ply l!? GENERAL PERMIT (REGIONAL AND NATIONWIDE) VERIFICATION Property owner eGE Address J /S- C / f--(-V n ?b?- v- . G 30660(o Telephone No. Size and Location of project (water body, road name/number, town, etc.) /V. E. 0--1r- ,?`ferSec-iron 0-le S?Z 1397 anel SA 1356 Description of Activity ?a n Ffrc- C:t - A--^ P?°ryX . Q C- ?onv1 0.?7 44 Aar 6 :_?en sons Cyr e?/C Po., G,Op?y- /t0. Oq 01{' O e0Q6A'c.4er S-?r2o.ry% nnmil/ . 1?? LtL?? O.ndi`S ?.? ; ? I ?? ? rr• ?Q e.?d . ? Applicable Law: Y-- Section 404 (Clean Water Act, 33 U.S.C. 1344). (check all that apply) Section 10 (River and Harbor Act of 1899). Authorization: Regional General Permit Number. 26, Nationwide Permit Number. Your work is.atitlorized.by this;Regional"General.(RGP), or Nationwide :Peimit (NWP) provided it is accomplished in strict accordance with the attached conditions. and your submitted plans. If your activity is subject to Section Please read and carefully comply with the attached conditions of the RGP or NWP. Any violation of the conditions of the RGP or the NWP referenced above may subject the permittee to a stop work order, a restoration order, and/or appropriate legal action. This Department of the Army RGP or NWP verification does not relieve the permittee of the responsibility to obtain any other required Federal, State, or local approvals/permits. The permittee may need to contact appropriate State and local agencies before beginning work. If there are any questions regarding this authorization or any of the conditions of the General Permit or Nationwide Permit, please contact the Corps Regulatory Official specified below. Date 6> 12 (,/9 1 Corps Regulatory Official r.t Telephone No. l70'/) Expiration Date of Verification 1 3 00 ' SURVEY PLATS, FIELD SKETCH, WETLAND DELINEATION FORMS, PROJECT PLANS, ETC., MUST BE ATTACHED TO THE YELLOW (FILE) COPY OF THIS FORM, IF REQUIRED OR AVAILABLE. CESAW Forth 591 Revised July 1995 Management, telephone (919) 733-2293. (I VIV MEMORANDUM 512 N. Salisbury sweet, Raleigh, North Carolina 27604-1188, 919-733-3391 Charles R. Fullwood, Executive Director TO: Jack H. Palmer, Jr., P.E. Division of Land Resources, Land Quality Section FROM: Mark S. Davis, Western Mountain Region Coordinator Habitat Conservation Program DATE: June 4, 1997 SUBJECT: Birch McMurray Pond Dam Unnamed tributary to Henson Creek Polk County, North Carolina We have reviewed the subject project and find no cause for objecting to the design and specifications of the dam with the following provisions: North Carolina WjA fe Resources 1. Minimum flow requirements as established by the Division of Water Resources, Department of Environment, Health and Natural Resources, are effective immediately downstream of the dam. 2. To minimize temperature impacts to downstream waters, the pond outflow pipe should be designed to draw water from near the bottom ofthe pond This will also prevent buildup of poorly oxygenated water and improve water quality in the pond. The easiest way to accomplish a near bottom outflow is to place a larger pipe over the standpipe so that water flows into the bottom of the larger pipe, as shown below. prod stafam JtjN 0 9 1997 By water flow 4 safety Permit 2 June 4, 1997 The U. S. Army Corps of Engineers is contacted to determine if a 404 permit is required for this project. Contact is Mr. Steve Chapin at (704) 271-4014. Thank you for the opportunity to review and comment on this project. If you have any questions regarding these comments, please contact me at (704) 452-2546. cc: Mr. Steve Reed, DWR 1.4 Y Mr. Robert Johnson, Office Manager U. S. Army Corps of Engineers Regulatory Branch 151 Patton Avenue, Room 143 Asheville, North Carolina 28801-5006 SUBJECT: Birch L. McMurray Nationwide 404 Permit Application Construct pond dam on an unnamed tributary to Hensons Creek Polk County, North Carolina Dear Mr. Johnson: Mr. Birch L. McMurray is requesting a letter of concurrence from the North Carolina Wildlife Resources Commission (NCWRC) to obtain a 404 permit from the U. S. Army Corps of Engineers. I have reviewed information provided by the applicant, and I am familiar with habitat values of the project area. These comments are provided in accordance with provisions of the Clean Water Act of 1977 (33 U.S.C. 466 et seq.) and the Fish and Wildlife Coordination Act (48 Stat. 401, as amended; 16 U.S.C. 661-667d). The applicant proposes to construct a pond dam, affecting a small unnamed tributary to Henson Creek. While onsite impacts to aquatic habitat are limited, we are concerned about temperature elevation and sedimentation of downstream waters. Because of the limited scope of the proposed work and the small size of the waters involved, we do not object to issuance of a 404 permit provided that the following conditions be placed on the subject permit: 1. To minimize temperature impacts to downstream waters, the pond outflow pipe should be designed to draw water from near the bottom of the pond. This will also prevent buildup of poorly oxygenated water and improve water quality in the pond. The easiest way to accomplish a near-bottom outflow is to place a larger pipe over the standpipe so that water flows into the bottom of the larger pipe, as shown below. pond surface pond bottom 2. Temporary or permanent herbaceous vegetation should be planted on all bare soil within 15 days of ground disturbing activities to provide long-term erosion control. Charles R. Fullwood, Executive Director June 6, 1997 Pond dam permit Page 2 June 6, 1997 Stringent erosion control measures should be implemented and maintained throughout construction, and under no circumstances should earthen fill from the project be allowed to wash into downstream waters. During future maintenance of the pond, accumulated sediments should not be flushed into downstream waters. Thank you for the opportunity to review and comment on this project. Pending availability of field staff, the NCWRC may inspect the work site during or after construction. If there are any questions regarding these comments, please contact me at (704) 452-2546. Sincerely, /? Q Mark S. Davis Western Mountain Region Coordinator Habitat Conservation Program cc: Mr. Birch L. McMurray, applicant State of North Carolina Department of Environment, Health and Natural Resources Division of Land Resources James B. Hunt, Jr., Governor Jonathan B. Howes, Secretary Charles Gardner, P.G., P.E. Director and State Geologist Mr. Samuel C. Bingham, P. E. United States Department of Agriculture Natural Resources Conservation Service Federal Building - Room 202 146 North Main Street Rutherfordton, North Carolina 28139 RE: McMurray Pond Dam Polk County Dear Mr. Bingham: LT06;qA1 ...... ....... A ..... ,,*. ?EHNF? June 16, 1997 Per our discussion last week, I am enclosing a copy of a memorandum dated June 4, 1997 from the North Carolina Wildlife Resources Commission regarding a "cold water discharge" trash guard structure. 1 spoke with Mr. Mark S. Davis, Western Region Coordinator with the Habitat Conservation Program, and he explained to me that the "cold water discharge" trash guard structure will improve fisheries habitat within the lake and in the stream channel downstream from the dam. I am recommending to the Director of the Division of Land Resources, Mr. Charles H. Gardner, P. G., P. E. that an approval to construct be issued for the proposed dam with the stipulation that a "cold water discharge" trash guard structure be installed. As we discussed, the "cold water discharge" trash guard structure should extend at least six feet below the normal pool lake elevation. I am also advising the owner of the dam of this requirement by copy of this letter and copy of the Wildlife Resources Commission memorandum. Please contact this oM;at telephone number (919) 733-4574 if I may-answer any questions concerning this matter. Sincerely, JKL/ Enclosure James K. Leumas, P. E. Dam Safety Engineer Land Quality Section cc: Mr. Birch L. McMurray, D.V.M. (w/enc.) Mr. Mark S. Davis Geological Survey Section Land Quality Section Geodetic Survey Section (919) 733-2423 (919) 733-4574 F919) 733-3836 FAX: (919) 733-0900 FAX: 733-2876 P.O. Box 27687. Raleigh. North Carolina 27611-7687 Telephone 919-733-3833 FAX 919-733-4407 An Equal Opportunity Affirmative Action Employer 50% recycied/ 10% post-consumer paper AAW.- State of North Carolina Department of Environment, Health and Natural Resources Division of Land Resources James B. Hunt, Jr., Governor Jonathan B. Howes, Secretary Charles Gardner, P.G., P.E. Director and State Geologist June 16, 1997 Mr. Birch L. McMurray, D.V.M. 115 Clifton Drive Athens, Georgia 30606-1630. RE: Approval to Construct McMurray Pond Dam Polk County Dear Mr. McMurray: I D EHNR This is in response to your submission dated May 23, 1997 of plans, specifications and design data for the construction of the subject dam in Polk County on a tributary to Hensons Creek in compliance with the Dam Safety Law of 1967. These plans, specifications and design data have been prepared under the supervision of the USDA, Natural Resources conservation service (NRCS). Check No. 5160 in the amount of $200.00 serving as the minimum application processing fee was received on May 23, 1997. This letter constitutes approval of the proposal to construct the subject dam according to the plans and specifications dated May 23, 1997 with the following stipulations: 1. Project construction shall be supervised by the MRCS. 2. During construction, the Division of Land Resources may require such progress reports as are deemed necessary. 3. Upon completion of the project, the NRCS shall inspect the completed work and upon finding (a) that the work has been done as specified and (b) that the dam is safe, shall file with the Division of Land Resources two sets of "as-built" drawings and a certificate stating that the work has been completed in accordance with approved plans, specifications and other requirements. Geological Survey Section (919) 733-2423 FAX: (919) 733-0900 Land Quality Section (919) 733-4574 FAX: 733-2876 Geodetic Survey Section (919) 733-3836 FAX: 733.4407 P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone 919-733-3833 FAX 919-733-4407 An Equal Opportunity Affirmative Action Employer 60% recycled/ 10% post-consumer paper Mr. Birch L. McMurray, D.V.M. June 16, 1997 Page Two 4. The 15-inch diameter corrugated metal pipe trash guard shall be extended to elevation 87.8 or to a lower elevation in order to discharge water from this level of the reservoir. This revised trash guard shall be reflected on the "as- built" drawings. 5. No water shall be impounded behind the dam until an approval to impound is issued by the Division of Land Resources for operation of this dam. 6. You must notify Mr. Richard A. Phillips, P. E., Regional Engineer, Land Quality Section, Interchange Building, 59 Woodfin Place, Asheville, North Carolina 28801, (704) 251- 6208 ten days before the start of construction. I am enclosing a copy of a cost certification form and an explanation of the final processing fee calculation. An additional fee will be required when the engineer's certification is submitted if the construction cost exceeds $10,001.00. In any event, the cost certification must be completed and returned with the engineer's certification before an approval to impound can be issued. The Dam Safety Law of 1967 requires that project construction commence within one year from the date of this approval, or the approval is void. Sincerely, Charles H. Gardner, P. G., P. E. CHG/JHPjr/ Enclosures cc: Mr. Richard A. Phillips, P. E. Mr. Harry J. Gibson, P. E. Mr. Samuel C. Bingham, P. E. Mr. Gerald Harbinson Mr. James Andrews BIRCH L. MCMURRAY, D.V.M. Consulting Poultry Veterinarian 115 Clifton Drive 9 7 0 5 9 2 Athens, Georgia 30606 July 2, 1997 Mr. John Dorney N.C. Division of Environmental Management 9?? 4401 Reedy Creek Road Raleigh, N.C. 27607 s Attn: Cindy Bill Re: Section 401 Water Quality Permit As per our conversation on 07/01/97, I am sending a copy of the plans to construct a farm pond in Polk County. These plans were prepared by NRCS (Gerald Harbison of Polk County and Jim Andrews of Rutherford County.) Also enclosed: 1. Letter from Steve Chapin, U.S. Army Corps of Engineers. 2. Letters from Mark Davis and Steve Reed, North Carolina Wildlife Resources Commission, approving the NRCS plan with a slight change in the drain. 3. Letter from James K. Leumas, DEHNR, requesting that an approval to construct be issued with the stipulation that a cold water discharge trash guard be installed. Please review at your earliest convenience. Except for the 401 permit, I hope everything is in order. I hope that construction can be completed in time for seeding the dam and surrounding bare areas in early fall. Respectfully submitted, Birch L. McMurray Telephone: (706)543-3140 Fax: (706)543-4082 E-mail: mcmurray@negia.com U.S. ARMY CORPS OF ENGINEERS WILMINGTON DISTRICT Action Id. / 9707-? L County GENERAL PERMIT (REGIONAL AND NATIONWIDE) VERIFICATION Property owner /f I ?r . 1 1 .- r-a Address //S C L" -(- n -b. IV- 0 ?,en GPI 30?0? Telephone No. Size and Location of project (water body, road name/number, town, etc.) /V. E. 04- ?n`t"erse??ron of .SPZ 1357 and SR 13&? /V • • ? • ? -r' '?o ?1 n o -? Sa n ?u SPr-, nab Description of Activity. Con s?r-u? c O -eA eeel-oy" . 2 Gt C• Bond 0"I (?j'I/tc?r?-?ec? Y=,,(7• P1lSo/1S Cy'ee fon /,??Ji j 1/1?ncue 062A? IL . - 0+ a o 4?1 A ? o c(vJa'?1' )(r12'0.nn Gann 1/ /\/r) Applicable Law: -Y,--Section 404 (Clean Water Act, 33 U.S.C. 1344). (check all that apply) Section 10 (River and Harbor Act of 1899). Authorization: Regional General Permit Number. (o Nationwide Permit Number. Your work is ,authorized,by this Regional General (RGP) or Nationwide Permit (NWP) provided it is accomplished in strict accordance with the attached conditions and your submitted plans. If your activity. is subject to. Section 404 (if ;Section 404 pblock above is_checked), .before; beginning work ,you :must, also .receive, a Section 401 water quality certification from the N.C. Divisiion:of Environmental :Management, telephone (919) 733-1786. For any activity within the twenty coastal counties, before beginning work you must contact the N.C. Division of Coastal Management, telephone (919) 733-2293. Please read and carefully comply with the attached conditions of the RGP or NWP. Any violation of the conditions of the RGP or the NWP referenced above may subject the permittee to a stop work order, a restoration order, and/or appropriate legal action. This Department of the Army RGP or NWP verification does not relieve the permittee of the responsibility to obtain any other required Federal, State, or local approvals/permits. The permittee may need to contact appropriate State and local agencies before beginning work. If there are any questions regarding this authorization or any of the conditions of the General Permit or Nationwide Permit, please contact the Corps Regulatory Official specified below. Date 6, /-P- (v /9 7 Corps Regulatory Official S??h1° r.? -Telephone No. (70V) 27/- VD/'l Expiration Date of Verification ?_ _l j 3 1 SURVEY PLATS, FIELD SKETCH, WETLAND DELINEATION FORMS, PROJECT PLANS, ETC., MUST BE ATTACHED TO THE YELLOW (FILE) COPY OF THIS FORM, IF REQUIRED OR AVAILABLE. CESAW Form 591 Revised July 1995 State of North Carolina Department of Environment, Health and Natural Resources Division of Land Resources James B. Hunt, Jr., Governor Jonathan B. Howes, Secretary Charles Gardner, P.G., P.E. Director and State Geologist June 16, 1997 Mr. Birch L. McMurray, D.V.M. 115 Clifton Drive Athens, Georgia 30606-1630 RE: Approval to Construct McMurray Pond Dam Polk County Dear Mr. McMurray: OOA [D EHNR This is in response to your submission dated May 23, 1997 of plans, specifications and design data for the construction of the subject dam in Polk County on a tributary to Hensons Creek in compliance with the Dam Safety Law of 1967. These plans, specifications and design data have been prepared under the supervision of the USDA, Natural Resources Conservation Service (NRCS). Check No. 5160 in the amount of $200.00 serving as the minimum application processing fee was received on May 23, 1997. This letter constitutes approval of the proposal to construct the subject dam according to the plans and specifications dated May 23, 1997 with the following stipulations: 1. Project construction shall be.supervised by the NRCS. 2. During construction, the Division of Land Resources may require such progress reports as are deemed necessary. 3. Upon completion of the project, the NRCS shall inspect the completed work and upon finding (a) that the work has been done as specified and (b) that the dam is safe, shall file with the Division of Land Resources two sets of "as-built" drawings and a certificate stating that the work has been completed in accordance with approved plans, specifications and other requirements. Geological Survey Section (919) 733-2423 FAX: (919) 733-0900 Land Quality Section (919) 733-4574 FAX: 733-2876 Geodetic Survey Section (919) 733-3836 FAX: 733-4407 P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone 919-733-3833 FAX 919-733-4407 An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post-consumer paper Mr. Birch L. McMurray, D.V.M. June 16, 1997 Page Two 4. The 15-inch diameter corrugated metal pipe trash guard shall be extended to elevation 87.8 or to a lower elevation in order to discharge water from this level of the reservoir. This revised trash guard shall be reflected on the "as- built" drawings. 5. No water shall be impounded behind the dam until an approval to impound is issued by the Division of Land Resources for operation of this dam. 6. You must notify Mr. Richard A. Phillips, P. E., Regional Engineer, Land Quality Section, Interchange Building, 59 Woodfin Place, Asheville, North Carolina 28801, (704) 251- 6208 ten days before the start of construction. I am enclosing a copy of a cost certification form and an explanation of the final processing fee calculation. An additional fee will be required when the engineer's certification is submitted if the construction cost exceeds $10,001.00. In any event, the cost certification must be completed and returned with the engineer's certification before an approval to impound can be issued. The Dam Safety Law of 1967 requires that project construction commence within one year from the date of this approval, or the approval is void. Sincerely, Charles H. Gardner, P. G., P. E. CHG/JHPjr/ Enclosures cc: Mr. Richard A. Phillips, P. E. Mr. Harry J. Gibson, P. E. Mr. Samuel C. Bingham, P. E. Mr. Gerald Harbinson Mr. James Andrews t State of North Carolina Department of Environment, Health and Natural Resources Division of Land Resources James B. Hunt, Jr., Governor Jonathan B. Howes, Secretary Charles Gardner, P.G., P.E. Director and State Geologist Mr. Samuel C. Bingham, P. E. United States Department of Agriculture Natural Resources Conservation Service Federal Building - Room 202 146 North Main Street Rutherfordton, North Carolina 28139 RE: McMurray Pond Dam Polk County Dear Mr. Bingham: ?EHNR June 16, 1997 Per our discussion last week, I am enclosing a copy of a memorandum dated June 4, 1997 from the North Carolina Wildlife Resources Commission regarding a "cold water discharge" trash guard structure. I spoke with Mr. Mark S. Davis, Western Region Coordinator with the Habitat Conservation Program, and he explained to me that the "cold water discharge" trash guard structure will improve fisheries habitat within the lake and in the stream channel downstream from the dam. I am recommending to the Director of the Division of Land Resources, Mr. Charles H. Gardner, P. G., P. E. that an approval to construct be issued for the proposed dam with the stipulation that a "cold water discharge" trash guard structure be installed. As we discussed, the "cold water discharge" trash guard structure should extend at least six feet below the normal pool lake elevation. I am also advising the owner of the dam of this requirement by copy of .this letter and copy of the Wildlife Resources Commission memorandum. Please contact this office at telephone number (919) 733-4574 if I may answer any questions concerning this matter: Sincerely, JKL/ Enclosure James K. Leumas, P. E. Dam Safety Engineer Land Quality Section cc: Mr. Birch L. McMurray, D.V.M. (w/enc.) Mr. Mark S. Davis Geological Survey Section Land Quality Section Geodetic Survey Section (919) 733-2423 r (919) 733-4574 (919) 733-3836 FAX: (919) 733-0900 FAX: 733-2876 FAX: 733-4407 P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone 919733-3833 FAX 919-733-4407 An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post-consumer paper June 6, 1997 Mr. Robert Johnson, Office Manager U. S. Army Corps of Engineers Regulatory Branch 151 Patton Avenue, Room 143 Asheville, North Carolina 28801-5006 SUBJECT: Birch L. McMurray Nationwide 404 Permit Application Construct pond dam on an unnamed tributary to Hensons Creek Polk County, North Carolina Dear Mr. Johnson: ?w ?y Mr. Birch L. McMurray is requesting a letter of concurrence from the North Carolina Wildlife Resources Commission (NCWRC) to obtain a 404 permit from the U. S. Army Corps of Engineers. I have reviewed information provided by the applicant, and I am familiar with habitat values of the project area. These comments are provided in accordance with provisions of the Clean Water Act of 1977 (33 U.S.C. 466 et seq.) and the Fish and Wildlife Coordination Act (48 Stat. 401, as amended; 16 U.S.C. 661-667d). The applicant proposes to construct a pond dam, affecting a small unnamed tributary to Hensons Creek. While onsite impacts to aquatic habitat are limited, we are concerned about temperature elevation and sedimentation of downstream waters. Because of the limited scope of the proposed work and the small size of the waters involved, we do not object to issuance of a 404 permit provided that the following conditions be placed on the subject permit: 1. To minimize temperature impacts to downstream waters, the pond outflow pipe should be designed to draw water from near the bottom of the pond. This will also prevent buildup of poorly oxygenated water and improve water quality in the pond. The easiest way to accomplish a near-bottom outflow is to place a larger pipe over the standpipe so that water flows into the bottom of the larger pipe, as shown below. pond surface pond bottom 2. Temporary or permanent herbaceous vegetation should be planted on all bare soil within 15 days of ground disturbing activities to provide long-term erosion control. Charles R. Fullwood, Executive Director Pond dam permit Page 2 June 6, 1997 3. Stringent erosion control measures should be implemented and maintained throughout construction, and under no circumstances should earthen fill from the project be allowed to wash into downstream waters. During future maintenance of the pond, accumulated sediments should not be flushed into downstream waters. Thank you for the opportunity to review and comment on this project. Pending availability of field staff, the NCWRC may inspect the work site during or after construction. If there are any questions regarding these comments, please contact me at (704) 452-2546. Sincerely, Mark S. Davis Western Mountain Region Coordinator Habitat Conservation Program cc: Mr. Birch L. McMurray, applicant ?-J ® North Carolina Wildlife Resources ,1 UN 11 1997 ission 512 N: Salisbury Street, Raleigh, North Carolina 27604-1188, 919-733-3391 Charles R. Fullwood, Executive Director MEMORANDUM TO: Jack K Palmer, Jr., P.E. Division of Land Resources, Land Quality Section FROM: Mark S. Davis, Western Mountain Region Coordinator Habitat Conservation Program DATE: June 4, 1997 SUBJECT: Birch McMurray Pond Dam Unnamed tributary to Hensons Creek Polk County, North Carolina We have reviewed the subject project and find no cause for objecting to the design and specifications of the dam with the following provisions: 1. Minimum flow requirements as established by the Division of Water Resources, Department of Environment, Health and Natural Resources, are effective immediately downstream of the dam 2. To minimize temperature impacts to downstream waters, the pond outflow pipe should be designed to draw water from near the bottom of the pond. This will prevent-buildup of poorly oxygenated water and improve water quality in the pond. The easiest way to accomplish a near-bottom outflow is to place a larger pipe over the standpipe so that water flows into the bottom of the larger pipe, as shown below. pond surface 17f water flow JUN 0 9 1997 By safety permit 04 2 1 June 4, 1997 The U. S. Army Corps of Engineers is contacted to determine if a 404 permit is required for this project. Contact is Mr. Steve Chapin at (704) 271-4014. Thank you for the opportunity to review and comment on this project. If you have any questions regarding these comments, please contact me at (704) 452-2546. cc: Mr. Steve Reed, DWR r NAME: BIRCH MC MURRAY COUNTY: POLK COUNTY NORTH CAROLINA ADDRESS: 115 CLIFTON DRIVE ATHENS, GA 30601 PHONE: 706-543-3140 LOCATION: OFF LEE CUDD RD (SR 1356), APPROX. 1400' NORTH OF LEE CUDD RD (SR 1356) AND TANNER RD (SR 1357) INTERSECTION. TURN RIGHT ON TO DRIVEWAY TO HOUSE. UNITED STATES NATURAL RESOURCES USDA, NRCS DEPARTMENT OF CONSERVATION COURTHOUSE ANNEX AGRICULTURE SERVICE P. 0. BOX 236 COLUMBUS, N.C. 28722 MR. BIRCH MC MURRAY 115 CLIFTON DRIVE ATHENS, GA. 30601 Dear Mr. McMurray: APRIL 22, 1997 As you are aware, due to the height of the dam and the amount of water impounded, your proposed pond is subject to the Dam Safety Law of North Carolina. This law requires that a permit be obtained before construction is started. Enclosed are copies of plans and specifications for your pond. You should retain one (1) copy'for your,use during construction and for a permanent record. There, •--(3T tlopies are for your proposed contractors Five (5) copies along:-with your request Eor a perm±t--,to construct should be sent to the following North Carolina Department of Natural Environment, Health and Natural Resources Land Quality Section % Dam Safety Engineer P 0 BOX 27687 Raleigh, NC 27611 As soon as you receive the permit to construct, please notify this office and we will schedule a day with you and.do.the layout work. Under the law, you are responsible for compliance with all construction requirements and state regulations in constructing and maintaining your dam. We are required to make.construction:.checks while the dam is being built and. to -make-?.a..final . check..when- construction is completed. There will be critical items...of_construction which ,..we...must--inspect-before additional work can proceed. These items include excavation for the cutoff core trench and the installation of the drain pipe and anti-seep collars which cannot be inspected after the dam is completed. Before you fill your pond, we must certify to the to the State that the dam was built according to the plans and specifications." These and other items will be discussed in'more detail with you and your contractor when we meet to do the layout of you pond. As you may know, we are required to withdraw assistance on this job and notify the State Dam Safety Engineer, if you proceed in the building of your dam before we inspect these critical items or if the dam is not being constructed in accordance with the plans and specifications. Sincerely, Gerald Harbinson BIRCH MC MURRAY CONTENTS jl -Ce c ?leCla (e. Engineers Cost Estimate =Bill of Materials Erosion and Sediment Control Plan .-Specifications for Construction of Ponds and Reservoirs Laying the ductile Iron Pipe ,Drainage Area and Location Map .Potential Impact Study Report Hazard Classification Data Sheet for Dams -Vegetation Specification .Treatment on Critical Erosion Areas with Permanent Ground Cover Operation and Maintenance Plan for Farm Pond Soil Investigation to determine suitability of proposed pond site Reservoir Area Measurements Soils in Watershed -Earth Work computation sheet (check) ,;Est. Runoff and Peak Discharge -,Pond Design Worksheet -Plan of Farm Pond (drawing) s Steel and Mechanical Detail (drawing) Gate Detail (drawing) Trash Rack (drawing) Foundation Drain and Diaphragm (drawing) Details Outlet Bent Support (drawing) Details of Plunge Pool Design (drawing) ;,Grassed waterway (drawing) vNC Archaeological Site Form y Concrete Construction Specification Environmental Evaluation As authorized by the 1990 North Carolina General AssemblyforDarns, Mining and Erosion and Sedimenrauon Control - Land Quality Section, Division of Land Resources, North Carolina Department of Environment, Health, and Natural Resources Note: Payments should be made by check or money order to the N.C. Department of ' Environment,' Health, and Natural Resources. processing, will not begin before payment is received. DAMS The following additional application processing fees are due when the as-built plans are submitted and are based upon a percentage of the cost of construction and removal of the dam. 2% of the actual costs between S10,001 and 5100.000; • 1.5% of the actual cosu between S100,001 and S500,000; • 1.0% of the actual costs between 5500,001 and 51.000.000; • 0.5% of the actual costs over 51.000,000 The total fee cannot exceed 550,000. Actual costs are based upon labor and materials associated with the construction or removal of the dam and appurtenances.The additional sm2lication fee must be submitted 91onQ with an owner's certification plan and accomnanving documentation with the as-built plans and the eggincerj's certification before final approval to impound will be granted, EROSION SEDIMENTATION CONTROL • 530.00 nonrefundable plan review processing fee for first acne of disturbed land and 520.00 for each additional acre, or any pan thereof, of land to be disturbed (including off-site borrow and waste arras). No processing fee will bt charged for a revised plan unless the revised plan contains an increase in the number of Aces to be disturbed. MINING FEES ON REVERSE SIDE { BIRCH MC MURRAY BILL OF MATERIALS PIPE - CLASS 51 DUCTILE IRON 140 Linear Feet 6" Ductile Iron Class 51 *13.6 " if 8" Ductile Iron Class 51 *Total length from riser invert - 13.6 includes 1 compact reducer, large end 8" mechanical - small end 6" plain, 1-6" compact mechanical joint tee, 2-short sections of plan pipe (see drawing) one 15" diameter CMP Trash Rock constructed from aluminum (see drawing) 02 fe?L one 6" diameter slide gate with frame (height of 15.5 feet) with strap and bolt to attach to riser 1.7 cu. yds. reinforced concrete, class 3000 106 lbs. reinforcement steel Bent Support 2 6" x 6" x 6' pressure treated post 2 2" x 8" x 30" pressure treated boards 2 1/211 x 12" Galvanized bolts RIP RAP FOR PLUNGE POOL (Stilling Basin) 10 tons rip rap 5 tons NC DOT 25 S-SAND t 25 sq yds filter cloth )51 SEEDING Dam, emergency spillway, around pool area, and borrow areas - 2 acres DRAINAGE DIAPHRAGM 11 TONS NC DOT 25 S-SAND EROSION AND SEDIMENT CONTROL PLAN FOR FARM POND AND/OR SEDIMENT BASIN CONSTRUCTION ESTIMATED DISTURBED AREA f fes NOTE: Farm ponds and/or sediment basins are typically components of an erosion control measure in a farm plan. This specification is intended -to give guidance in controlling e_osion while installing; thi= practice EROSION AND SEDIMENT CONTROL MEASURES Erosion and sediment control measures shall include the following: a, Staging of Earth Work activities- The excavation and moving of soil materials shall be scheduled so that the smallest possible areas will be bare and unprotected from erosion for the shortest time feasible. b. Control of Sediment from Cutoff Trench Dewaterine Sediment from dewatering shall be controlled by ponding water in flood plain below dam or pumping water into an excavated pit. C. Diversions Diversions shall be used to divert water away from disturbed areas and also located as needed to provide optimum erosion control during vegetative establishment period. An example is diversion located uphill of a borrow area or emergency spillway slope. A typical diversion is 1.5 ft deep and shaped to easily mow. The Soil Conservation Service will determine location, of diversions. -------------- d. Vegetation Within-7 days of f inal grading, vegetative work shall be c gleted. U. S. DEPARTMENT OF AGRICULTURE NC-ENG-13b Soil Conservation Service Rev. 5/83 SPECIFICATIONS FOR CONSTRUCTION 0V PONDS AND RESERVOIRS Clearing: All trees and brush shall be removed from the impoundment area before any water is impounded. Whenever c earine should be delayed until after _ am--is--built to 77. hold erosion and downstream sedimentation to a minimum. Stumps may be removed o r r ay e aw as ow as practical and stumps e t standing. T e foun anon o e impoundment structure (dam) shall be cleared of all trees, stumps, roots, brush, sod, and debris. All stumps and all roots exceeding one (1) inch in diameter shall be removed to a minimum depth of one (1) foot. Satisfactory disposition will be made of all debris. After clearing is completed the foundation area shall be loosened thoroughly and roughly leveled, with suitable equipment, before placement of any embankment material. Cutoff Trench: A cutoff trench shall be excavated as shown on the plans. The cutoff trench shall be backfilled in thin layers, not to exceed 8 inches in depth. All standing water shall be removed from the trench before backfilling is started. Embankment Construction: The material placed in the embankment shall be free of sod, roots, stones over 6 inches in d ame er, an o er objectionable materials. e i ma era shall ace and spread over the entire fill in layers not to exceed 8 inches in thickness. Con- struction of the fill shall be undertaken only at such'times that the moisture content of the fill material will permit a reasonable degree of compaction. Fill Materials: Borrow areas will be designated on the plans and assigned priority (1, 2, 3, etc.). All fill material shall be taken from these designated areas. SCS technicians will advise the contractor regarding the maximum depth of cut in each borrow area. The contractor will not exceed this depth. In the event this depth is exceeded in the impoundment area, it shall be the responsibility of the contractor, without additional cost to the landowner, to cover the exposed area with a minimum of 2 feet of impervious material. Riser & Conduit Pipe: When it is indicated on the plans that a riser and conduit pipe are re- quired, they must be installed as a complete unit. The inlet of the riser shall be protected. by an inverted bucket-type, or an equally effective type, of trash rack. The conduit shall be placed on a firm foundation. Selected backfill material shall be placed around the riser and conduit pipe in layers not exceeding 4 inches and each successive layer thoroughly compacted. Anti-Seep Collars: Anti-seep collars will be of materials and dimensions, and located as shown in the plans where specified. Vegetated Spillway(s): Spillway(s) wil ated in undisturbed earth to the dimensions, grades, slopes, and location as s own in the plans and as staked uponY t"e g`round. Pollution Control During Construction: Stripping of embankment and borrow areas shall be done as they are needed in a normal sequence of construction. Use temporary mulch protection on all disturbed areas that are subject to erosion and will not have substantial additional work per- formed for 30 days or more. Temporary stream crossing structures will be used where fording of streams will cause excessive sediment pollution. Protection against pollutants such as chemicals, fuel, lubricants, sewage, etc., will be provided during construction. Vegetation: All exposed embankment, spillway, and borrow area shall be seeded to an adapted type of vegeta s s fter-eonstrurti-un-. ^'---'---" Special Provisions: . (continued on back) 01 GENERAL These specifications are to be made a part of detailed engineering plans of the pro- posed embankment, spillway(s), and reservoir. f No changes nor deviations from these 1 e alIgwed_withojt a written amendment, in a vance of change, from the responsible technician of the Soil Conser- va?'ion"Serv ce. All facilities for impounding water shall comply strictly with all state and local laws regulating such activity. The Soil Conservation Service makes no warranty, expressed or implied, of the impounding structure or the water holding ability of the structure. RESPONSIBILITIES OF: A. The landowner will acquaint himself with the provisions of these plans and specifications to deter pine that the completed structure will fulfill his present and future needs. Inspection during c nstruction will be-the responsibility of the landowner. He ay request inspection by SCS employees dur construction ad upon completion of work. Wher rom overnment a s, or when?the d_am falls under the am Safety Law of 1967, inspection and approval by SCS employees are mandatory. B. Contfactors: The contractor will acquaint himself with the provisions of these plans and specifications, conditions at the site that may affect his schedule of operation, and the location and meaning of all stakes on the site. Failure to do so will not relieve him of the difficulties and cost pursuant to satisfactorily completing the work in compliance with these plans and specifications and any written or verbal contract with the landowner. All bench marks, grade, and line stakes will be left undisturbed and protected by the contractor to facilitate construction and in- spection. The co weather ermitting, will schedule his work so that he will start on the agree date and he a nt nuous o eration until satisfactorily completed. -A= amages occurring to completed work or materials, y t e elements or of erwise, during con- struction, will be the responsibility of the contractor. Partial or damaged work and/or re- p e materia s damage??many cause will be paior by the contractor. Absence of in- spections during construction will not relieve the contractor from completing the w`orc .?/ strict compliance with these plans and specifications. Upon com a ui ment, the contractor will request a final nspection by the landowner and an employee of the SCS. The contractor will t e ece4?ve approva as be com ere satisfactoril an or he may complete those items that rv rom e p ans an specifications in order that a final inspection will result in approval. C. U. S. Department of Agriculture - Soil Conservation Service: The United States and its employees are in no manner a party to any verbal or written contract between the landowner and the contractor. SCS employees, within limit of personnel available, will inspect and advise o ues dur o assure s actory `?? `ZOifi[521"?fce the plans and specifications. < ..-- SCS employees will upon reasonable notice, conduct a final inspection for strict compli- ance it all plans and s ecifications concerning t is s ructure. Inspection will determine satisfactory completion of work so t at a approval may be given for the eligibility of the landowner to receive benefits from any Government agency concerned with this structure, (b final payment ma be made to the contractor, and (c) the pool may be filled under the provisions o the Dam Safety Law of 1967. -2- f NOTES ON MC MURRAY POND * Install berm behind NE backside of dam (150' long, 2' depth, 10' wide with 3:1 slope. * Install waterway on south side of dam - approximately 200 ft. long and 30 ft wide 17-"V-? ?yc * Clean out all s umps and debris from Tstream channel ' C6,.,,, * Disk in pasture ahead of time to kill grass and avoid haEring to scrape off surface layer, later. * Clear out vegetation within ribboned area. * Excavate 2' deep below waterline at upper end on south side of branch, wh e a e_ i e v s allow. * Slope bank at upper end-of-north side of pond to a minimum of 3 to 1 side slope. * Will ne about 200 b of straw for mulching. * When core is excavarP? ac?rnG? eam channel, precautions will ick filled with clay This mar i ntrnl trP a temporarv dam above is core or excavate the channel to one side. determina ion. ?a 'n the Ductile Iron Pipe and workmanlike manner in accordance be placed on a firm foundation to the on the plans. Installation shall be recommendations and the following The contractor may elect to overfill th?h conduit fo ndeation acid the adjoining area prior to laying amount of overfill will be limited to two feet for ert cc l ly above the planned pipe grade. Excavations the it trench shall have a smini lope bottom width of four feet with 3:1 or flatter side Prior to laying the pipe, a bedding trench shall be prepared for the pipe by fillapThexfoundationoareahforatheepgpede with compacted material. then be excavated to approximately one inch below the planned invert elevation for the pipe and shaped ised to calftt at. to the outside diameter of the pip this area is properly shaped to conform to the pipe, the shaping shall be performed by hand unless an alternative method is approved by the engineer. Also, a templet equivalent to be used to of the screed), shall that it conforms to the pipe diameter. The pipe conduit shall lines and grades shown performed in a skillful with the manufacturer's requirements. moist material shall be placed immediately prior to placing in placed to The pipe shall then be and uniformly be shall bemoist entire length with sehec?ointsimpervious over1ex avatedaas the The area supporting necessary to allof supprtedlbyathetsoilsbeddi gt tSelecte barrel is uniformly moist backfill material shall be placed and hand compacted around the pipe conduit at approximately the same rate on both sides of the pipe. Compaction around the bottom half of the pipe must be firm to fill all voids, but extreme caution must be exercised to prevent damage, movement, uplift or deflection of the pipe. One inch of select impervious in the shaped bedding trench the pipe. • / 1004 1363 wa. N f a ?rG 23 T T I Cov se llo? 1000 r - A - _- ?J t C.) r 1698 - , fat --3o2T 1357 3897 - - • 1357 - ?? ,? UA .o e 1356 ? . ` Cem New Ho - --- _ _ _ ? ? Ch _ ?C7T - 0 ?-// - 1353 _-_ ? ?.--? °° "? - ? ' 1?1 \ 1101 ?- 1103 - -CET L/ 1343\" .30 3 y - San y Springs _- ?_ CD. / 354 1355 - lip f - • c ?? ( \ 4U e VII 695 " _ _.. ?` - - t3o5 3C,2T \,1753 ?, ?/t .- ?? - l-'?• c -/,- 1 Birch McMurray Faim Pond POTENTIAL IMPACT STUDY REPORT Prepared by Gerald Harbinson DESCRIPTION OF POTENTIAL IMPACT AREA If the dam were to suddenly breach a flood wave would flow town the flo"'`57ZTpI-ain below the structure. Approximately 4,000 ft. downstream the creek joins two other streams and flows into a double culvert under County Line Rd. Over this distance a flood wave would spread out into the fl oZU AIM AFFECT ON THE AREA FROM A SUDDEN BREACH A sudden breach would be life threatening for anybody in its path. No improvements can be made downstream of the am in the pote tion impact area wi re-evaluating the hazard class of dam. PRECAUTION ON DEVELOPMENT Any development downstream of dam that changes the hazard class will require either an up-grade of the dam to the approximate hazard class or removing the dam. DAM CLASSIFICATION See attached NC-ENG-34 NC-ENG-34 U: S. Department of Agriculture Soil Conservation Service September 1980 File Code: 210 HAZARD CLASSIFICATION fDATA SHEET FOR DAMS Landowner c Ai krf k 11 County 6po A- Community or Group No. A -/0 Conservation.Plan No. Estimated Depth of Water to Top of Dam _,22 Ft. Length of Flood Pool 3-5-0 It. Date of Field Hazard Investigation 3171 ?7- Evaluation by reach of flood plain downstream to the point of estimated minor effect from sudden dam failure. . • Est. Elev. : Est. Elevation . Kind of . ,:Improvements: of Breach Reach: Length: Width: Slope: Land Use Improvements Above :Floodwater Above : Flood Plain: Flood Plain Ft. Ft. d/. Wood /0- ?^ ?t`?Zl X c4 al r Ft. o n Ft. 1 : 30d0 • 300 , A . i ' : (k it re 2 .- 60 0 : yso : z Wood /All? A4 AP_ 3 ?d 0 Boa o'Z 1jr,'dGe, Describe potential improvements from a &2_isi`eaan s rv in for loss of life and damage to existing-or probable future downstream sudden breach Pofc-%-fta? -For loss r?_ /?fe n.- gla caz t1rvod ezt? 01-1/u _ `Ives. c-,, o; S ec_, a scl•t kes 0 2 +J e, t, w afer < -?r? 6h-' a.A.., of- Pe-nc Hazard Classification of Dam (a, b, c) (see NEM-Part 520.21) Q Dam Classification (I, II, III, IV, V) f By Concurred BvQ&7nU) 014-ILCLt •C_ name title J ??f* Date 7 Date 3 7 NOTE: I. Instructions on reverse ;side. 2. Attach additional sheets as needed. f VEGETATION SPECIFICATION Rip and disk all disturbed area 511 deep. Incorporate two tons of lime per acre. Apply 1000 pounds of 10-10-10 per acre--smooth seedbed. Unifo lbs. of fescue seed per acre and 25 lbs. of Abruzzi rye grain per acre. See ing should be completes be weep arc 15 an une 1 or August 15 and October 15. Immediately mulch wiZh 2 car s of small--?ain straw or tame hay per acre. Reseed any rilled or gullied areas that may develop. Note: NRCS will determine area to be seeded before vegetative work is started. What Is a Critical Erosion Area? A critical erosion area is any erod- ing, sediment-producing area such as excessively eroding cropland, cuts, fills, streambanks, landfills, roadbanks, dams, spillways, bor- row areas, and denuded or gullied areas where vegetative stabilization is difficult by ordinary methods. Erosion I Permane rover United States Department of Agriculture Soil Conservation Service Raleiah_ North Carolina Stabilizing these areas will reduce damage from sediment and runoff to downstream areas, and improve wildlife habitat and visual resources. Solis Usually the soil material on which seeding or planting is to be done is infertile, poor in structure and ag- gregation, low in organic matter and may be highly acid. This ma- icai as wpm Ground un-ion-iii terial is highly susceptible to ero- sion due to slow water intake and rapid runoff. To aid in overcom- ing these conditions, organic mat- ter can be applied in the form of manure, lime applied where needed, and appropriate commer- cial fertilizers added. On most sites, four inches of loamy topsoil applied to the site before seeding U. S. DEPARTMENT OF AGRICULTURE NC-ENG-13C Soil Conservation Service Nov. 1982 t OPERATIONS AND MAINTENANCE PLAN FOR FARM POND. OWNER The purpose of this plan is to provide guidelines for carrying out the routine maintenance work needed to keep this pond operating as planned. Routine main- tenance is considered to be normal. good care of the pond. Good maintenance adds to beauty, usefullness, and permanence. In addition severe storms that cause flow in the vegetated spillway will likely call for maintenance, such as, replacing and compacting soil in washes or gullies, reestablishment of vegetation, removal of debris and the like. When such work is necessary, the Soil. Conservation Service, if. requested, will..provide technical - assistance't6-help with 'the repair-. This type of maintenance should be done as soon as'possible'after damage is discovered. The routine maintenance of this pond involves the following: 1. Maintenance of a vegetative cover on the dam and in the spillway: %-t_ 3f F=PS rc,Tc (Type of Vegetation) is being established on these areas. Beginning in V0 -/ (Year) and each year thereafter, the dam and spillway should be fertilized with So 0 pounds of lo-'10 -to per acre to maintain a vigorous stand. 2. Removal of logs, brush, or other trash from the entrance of the pipe spillway, the grass spillway, and the face of the dam: This should be done after each rise in, the pond surface that deposits such material. Unless this material is removed, the pipe spillway is likely to become clogged and the vegetation killed in the affected areas. 3. Control of weeds, brush, and trees in the grass spillway on the dam and in the outlet channel for a short distance below the pipe outlet: This may be done by mowing, spraying, or chopping, or a combination of all three. This will need to be done at least once each year and possibly twice in years favorable to heavy growth of vegetation. You may check with the local Extension Agent or SCS office for the latest information on spray material and the best time to apply them. 4. If the dam.and spillway are to be grazed, be sure to remove all live- stock when grass has been grazed down to a height of 4 inches. Also, remove livestock when the dam and spillway are wet and soft. Severe - ,iama.ge-.can--be-done-by-l iv-.stock-a t-such-t-ime s.- 5. Protection of the Grass Spillway: The spillway'can be severely damaged by uncontrolled vehicular traffic. Trails or ruts made by such traffic could become large gullies when outflow occurs in the spillway. If ruts or trails appear to be forming, stop. all traffic within the spillway area. - 1 - 6. Erosion by Wave Action: It is not expected that erosion of the dam by waves will be a severe problem. However, should such erosion start, lower the level of the lake until the water surface is about 4 feet below the eroded area. Replace the soil that has been eroded away, tamp it in place, and resod. Fertilize when the new sod takes root. Keep the water surface drawn down and exclude livestock until the new sod is firmly established. Maintenance inspections of this pond should be made during the initial filling, at least annually, and after every major storm. Items to be checked should include, as a minimum, the following: 1. Principal Spillway a. damage or obstructions to trash rack or gates b. condition of riser and pipe (1) signs of seepage (2) separation of joints (3) cracks or'breaks 2. Emergency Spillway a. erosion b. sedimentation c. weeds, small trees,'logs, fences, or other obstructions that reduce channel capacity or may block flow 3. Reservoir Area a. fallen or cut trees b. undesirable vegetative growth c. other floating or lodged debris 4. Embankments a. settlement, cracking or "jug" holes D. sine slope stability - slumps or bulges c. erosion and/or wave action d. rodent damage - 2 '- e. seepage or other leakage r f. condition and functioning of toe drains, if applicable g. condition and type of vegetative cover 5. Outlet Channel a. condition of riprap and plunge pool, if applicable (1) undermining or displacement (2) damage or deterioration (3) side slope stability b. bank cutting c. sedimentation d. fallen trees or other debris accumulation I e. adjacent property damage ' 6. Fences and Gates a. general condition (1) loose or damaged posts (2) loose or broken wires (3) open or damaged gates 7. Additional specific items of importance for the maintenance of this pond are: 3 - SCS- EN G- 539 Rev. 5-70 U. S. DEPARTMENT OF AGRICULTURE SOIL CONSERVATION SERVICE SOIL INVESTIGATION' TO DETERMINE SUITARILITY OF PROPOSED POND SITE PARMER•S NAME arc c fr1C DISTRICT S i t Wr~ DATE- 31/"&,:z COUNTY Z0 1 S. C. S. PH ItEET NO. WORK UNIT WATERSHED AREA MEASUREMENTS CROPLAND ACRES PASTURE ACRES rC WOODLAND ACRES TOTAL ACRES POND CLASS WORK UNIT CONSERVATIO.:IST SKETCH OF PROPOSED POND SHOWING WHERE BORINGS WERE MADE (Appro:- kale 1'r= ?a0 feet) Locate rvferencc point +m center lint of darn and Identify, on sketck r, e b t I i i I r 1 1 i SHOW DEPTH SCALE BORING NUMBER AND PROFILE Make and /;it darm•sue and spillway borlnes first - ten Ponded arm and borrow p!t bovines • saparate with wevilcal and lima. !Continued on bad when nec userW SAow water table elewatlons on dam-site bortnes. 1 2 3 1 1 4 S 8 7 8 9 10 11 12 1 113 14 15 18 17 18 19 20 21 22 23 0-6 .5L SO G 6,41 c, st- S6 1 0 , - /2. ?. rr Col t- CL C C 12 ?/ Sim CL t, G fl c - (, Cr G'1 C. CL CL CJ, Al dL Gr SG Cc. 0 PX !21L Irl G- S" (L Ct, -V- ACM CL C4, 6- M? ? VA Q_ ci, X, 2?, ML C z- M & !L ,c A 2h nl . BORINGS MADE BY J '?l Y. b i h f &1? SIGNATURE & TTI7.E l S"^? C;( rvyaaA 'J.t4=_ d' a -7, A-iAckLO k9 Sall Ce?sQVa?'i? Te•?-.,,'? ??... TYPES OF MATERIAL ENCOUNTERED IN BORINGS (Use one of sy - tems below) UNIFIED CLASSIFICATION ( USDA CLASSIFICATION GW -Well graded gravels: gravel, sand mix GP - Poorly graded gravels I g - gravel s -sand GM-Silty gravels: gravel -sand-silt mix GC-Clayey gravels; gravel-sand-clay mix SW-Well graded sands; sand-gravel mix vf:; - very fine sand sl-sandy loam fsl -fine sandy loam SP - Poorly graded sands .1- loam SM - Silty sand gl -gravelly loam SC -Clayey sands; sand-clay mixtures ML -Silts; silty, v, fine sands; sandy or clayey silt si - silt sil -silt loam CL-Clays of low to medium plasticity CH - Inorganit clays of high plasticity I cl-clay loam sicl -silty clay loam MH - Elastic silts scl - sandy clay loam OL-Organic silts and silty clays, low plasticity I sic-silty clay OH-Organic clays. medium to high plasticity c-clay 1. Suitable material for embankment „ available ® Yes ON* Und,cale wham locatea on the sketch on num"a side) REMARKS: OTT 0 43 are &S are. sho t.J,v ON (Ma/11:1 2. Explain bazards requiring special attention in desiKn /Seepage, sprlno. ,oak em) No N E' GENERAL REMARKS: ALL Fdl d+ r_ Core_ a/i d jo 01 SAd I/ Co &,ip G.c.+e I w+ 41, i u 6 to e e- - f l r z? twt ekj-f 24 26 26 27 28 29 30 31 32 33 34 351 36 37 38 39 40 41 42 43 44 45 46 47 48 49 60 61 I' I i I !I i I Cx N ?f - - 7 4 K ? t. B Q ?. ? Flc res Ex ca VE? LJ /? INC! -pool S i 2. C- 1 So rn, C 1 3/4 1/2 1/4 0 1 0.5 0 EARTHWORK COMPUTATION SHEET EARTH EMBANK ENT Name 61Y C h- mr- lul a rrtty Address / / Embankment: Top Width Side Slopes vim; goi4 S%Cfe5 STATION FILL HEIGHT (Feet) END AREA (Sq. Ft.) SUM OF END AREAS (Sq. Ft.) DISTANCE (Feet) DOUBLE VOLUME (Cu. Ft. ) 8100 +oo 57 /00 92 / o /7 72 SD 53 `f D ( 2+r 1,L3 qq3 J f 2+ o ,0 2 It 6v - ozo, t o p $ 13 6 .. U 24 724 -203 G y / - -2 4 5; Q JZ4 111 oZ l 1 0 17 7 l5.2 CIS 171D 30 z oo ? 50 _ s o o f Pa q Y3 50 22 Sd . 0 + o 57 S q 0 So x`74 y L 3 6 . / 1 y3 1 1. Double Volume of Fill f 2 -?q-L- Cu. Ft. 2. Volume of embankment fill (line 1 3 27) _ 0g12 Cu. Yds. 3. Allowance for settlement (5 or 10% of line 2) yu? Cu. Yds. 4. Total cubic yards (line 2 + line 3) _ 7 7 Cu. Yds. ' r ?n Computed by Date y? EFM-2 ESTIMATING RUNOFF AND PEAK DISCHARGE VERSION 1.1O Client : Birch McMurray By: GC.'H Date: 04 -09 -97 County : Polk State: NC- .-. Checked; Date: Practice: Pond Drainage Area 92 Acres Curve Number 60 Watershed Length 2000 Feet Watersed Slope t2 Percent Time of' Concentration: .161 Hours Rainfall Type it Storm Number I 1. 1 2 I 3 1 Frequency (yrs) I 1 ( 10 I 25 I I 1 124-Hr Rainfall (in) 1 3.5 1 6 1 7 1 I ! I I I I a; P Ratio 1 0.33 1 0.22 1 0.19 1 i I I I I Runoff (in) 1 0.53 1 1.92 1 2.60 1 I I i I Unit Peak Discharge 10.596 10.7?:3 10.736 1 (cfs/acre-/in) I I i I I Peak Discharge (cfs) 1 29 1 137 1 191 1 'ond-Oumer Address C/-?ft'OIJ -P(V?' EIJ? ?TI County ?OIK Telephone No. Locatiun Code DETERMINATION OF RUNOFF CURVE NUMBER FOR ANTECEDENT SOIL MOISTURE CONDITI0N II (chant Pr 2 - Engineerine Field Manual) ' Land Use Or Cover Treatment Or Practice Hydrologic Condition Hydrologic Soil Group Acres Curve No. Curve No. x Acres IL MCLL- -L= 72-0 1-2 ?- 0 - GC S Goc?.- ---- ?D om-,cs f s Crr, a B i -7 8b' Sum of Acres = QZ Sum of Product = 540 Sum of Curve No. X Acres SyOe _ % Weighted Curve No. = Sum of Total No. Acres 92 --58' g t?se CN = ?p0 GENERAL DATA I SUK^tAFY Hazard Class - P (NEM 520.21(e)) Drainage Area - 9 2 Ac. Average Watershed Slope - 12 Slope Interpolating (Correction) (EFM Page 2-8.1) Factor - Normal Pool Surface Area - 2.1 Ac. Effective Height Ft. (NEM 520.21(d) Storage - Iu,4 Ac. Ft. (NEM 520.21(b)) Effective Height x Storage - 2 59-Z Engineering Job Class - "$: (NEM NC 501.09 Normal Water Level Required Storage (Ft.) Crest Emergency Spillway Emergency Spillway Stage (hip) (Fr.) Design High Water Freeboard (Ft.) Settled Top of ban, Elev.- C) 7V t 3 Flev. ?5•i ? ' Elev. 9 'v ?- T_lev. Est. Storage to Top of Dam 26,3 Ac Ft Overall Height (NEM 520.21(c)) '2?.1 Ft. Dam Safety ye--s inventory Size (NEM NC 501.09) (Net, 520.21(f)) REQUIRED DETENTION STORAGE (PS-378) (EFM - Chapter 2, Rainfall Data Mapsl Yr - I Day = 3, 5 _ Inches Rainfall = 5 3 Inches Runoff (EFht - Pape 2-51 Required _ (•S3 In. Runoff)( 9z Ac. DA) - Lj,l Ac.Ft. - Storage 12 In./Ft. 4.t Ac.Ft. Z,) Ac.(Pool) ( gs Ft. Use 2 I EMERGENCY SPILLWAY DESIGN (PS-378) (EFM - Chapters 2 b 11) 2.S Yr - Day Inches Rainfall (I9 CFS)(__) CFS (EFrt 11-53 to 11-54h) Retardance: (_ Maximum Velocity: 5 fps Length: Control Section: 2,9;' Discharge (q) CFS/ft. Stage (lip) ft. Outlet Slupi- Rangc I _ Min (a Max = 3 Bottom Width = Q q = 19 - 3 = b3.fr Ft. Use !v$ Ft . Us(- Uutl,_ ?-l opt- Computed By .Jarr^es fnsa'!cA.jS+ r, K6r?luJSolJDate Checked By Date US Department of.Agriculture f NC-CPA 16 Soil Conservation Service 4-92 ENVIRONMENTAL EVALUATION Land User/Owner Ft TCc/ GIrT c?_ ?/ County Flo Location/Tract & Field Number 7- /?F7? ??,t/5f "7 Acreage Prepared by r?x A'04r-e- . S- Date /z 3/ 97 Brief Description of Planned Practice/RMS/Project Measure: 0o kj s 1-ru c- f Z r e- Do Au ct r it e Ca u fro ( LcJ?? ?c r . ' LI?CGre ri k aAl A-C t? ?+o,u Environmental Factors and Resources to Identify and Evaluate J 1. Is wetland included in the planning area: (References: NCPM; 190-GM 410.26; Hydric soils list; Classification of Wetlands and _ Deepwater Habitats of the U.S.; National Wetlands Inventory Maps; NFSAM. ? No Yes - If yes, -- Identify types present -- Attach environmental evaluation showing what effect planned assistance will have on wetland and how this assistance is within policy -- Have needed permits (CAMA, DEM, Corps, etc.) been obtained by the landuser? -- Make sure no planned practices will put the landowner in violation of Swampbuster 2. Endangered and/or threatened species: (References: 190-GM 410.22; Technical Guide Section I-i(13) and Section I-vii No Yes -- Identify species whose range and habitat needs indicate they might occur in planning area -- Identify on map any designated critical habitat 3. Is a designated natural or scenic area included in the planning area or will planned actions impact on an adjacent natural or scenic area? (References: 190-GM 410.23 and .24) No Yes - If yes, encourage landuser to consult with concerned agencies,,societies, and individuals to arrive at mutually satisfactory land use and treatment. 4. Does the planning area include the 100-year flood plain? (References: NCPM; 190-GM 410.25; HUD Flood Plain maps) No Yes - If yes, -- Is the assisted action likely to have significant adverse effects on existing natural and beneficial values in the flood plain? -- Is there a practical alternative outside the flood plain? -- Has the flood plain been used for agricultural production for at least 3 of the last 5 years? 5. Is an archaeological or historical site located in the planning area? (References: NCPM; 420-GM 401; National Register of Historic Places) ? No Yes - If yes, have steps been taken to ensure the protection of this area? 6. Are there any prime, unique, or locally important farmlands in the operating unit? (References: 310-GM) ?/ No Yes - If yes, identify on a soils map or legend. 7. Will.the action result in sodbusting? No Yes 8. Will the action result in swampbusting? No Yes 9. Is there a potential for controversy? From whom? No Yes 1 10. Are permits required?/Should the person contact permit agencies? No ? Yes J When an environmental factor or resource is identified on the site, the user will refer to the appropriate reference for policy and document the appropriate action in the notes portion of this form. NOTES, DOCUMENTATION, FOLLOW-UP •s- m m w D x r•. c? J C I a "1 y 0 l S `r (?' Z N Z (A ?J 1 LA 7b D -° r ro 1 1 .; o 0 ?? n ? oo n co ??11 W y' ry a O cI ? c" f? b z` 3 i E4 11p ? ? > 14 • 2 N 8 ? 1 0 e i 1 i i a til u ', i i i l J (,rrJ,?a 1 P t• I" ro N N N_ C; O 70 r (A *n a ? r' ? b o ? r ti p M N v ? t- r ? o c M J4 '!0 C> r am N io C z a L • T.. b m? LA o Z ° v a CO 0 0 ti?A o ^ c) 1•? zb? ?o En \ G1 O :l N •? '1 1 \ cm O + 1 O g ?? W m a z r? L 1 1 Z z' i w ? 1 1 D ? C l?7• O 1 m m ; 'Z r Z Ri rn o Tn r J3 _ _a ? N IVY 3 O a d `o r -P z z *0 4) -U nt N ILA Z '1 T- _o r ts? Z ?o C .? x m? r t r -1 V1 ? O *?n r c OD 0 r m N a r r oe m c 7a N N C 7O m m to yra55aa VVU1%PtWUy vylu Q11%V"1 Name: hirc /)i r? ;' c..i County: Address: Field No. Farm No. f Tract No. Field Sketch ft. top width 6•i d --ft. -t ft. minimum bottom width Cross Section of Waterway Seeding Materials Item Kind Rate . Total Amt. Seed -C"c 1ZIb/ac t2 b Lime BGC? dd # Fert. ID 2oQ_lb/ac 200 Ib Mulch Is ?s 6CO ten 5rGiN Netting 00G t f A r fi? o Az,iI /c u Q d,L 4oo S?oNle? Amount to be vegetated (ac) Note: Standard designs approved by area engineer may be used. Show design number. Note: Construct waterway to dimensions shown. Parabolic shape can be obtained by disking during seedbed preparation. Remarks too rM c o J c. r. y . u ,.; C-4--c u-' a 4 c • Design by: T-rr ??e•eL? u2!5 Date: ?2 Ted. Approved by:` )Date: ? r' ?2T i*i Design Data S 4-cr i•} d n rr- CONSTRUCTION SPECIFICATION CONCRETE r 1. Scone This specification covers the quality of concrete, steel reinforcement, the forming, placing, curing and other requirements for concrete construction of simple slabs, low walls (not to exceed 4 feet), curbing, aprons, ballast etc. 2. Definitions In this specification, the "engineer" is the designated Natural Resources Conservation Service representative. The "contractor" is the individual or company who performs the construction. 3. Composition Concrete shall be composed of Portland cement, fine and coarse aggregates, water and, when specified, air-entrainment, set retardant or other admixtures. These materials shall conform to the following requirements: Portland Cement - Portland cement shall meet the requirements of ASTM Specification C-150 for Type I cement unless otherwise specified. Cement shall be properly stored and protected from weather, dampness or other destructive agent. Any cement which is damaged will be rejected and not permitted to be used in the work. Aggregate - Fine aggregate shall meet the requirements of N.C. Department of Transportation (DOT) standard size number 2S. Coarse aggregate shall be N.C. OCT size number 57 or 67. Water - Water shall be clean and free from oil, salt, acid, alkali, organic matter or other harmful substances. 4. Desion Mix The contractor shall designate the design mix and submit it to the engineer for approval prior to placement of any concrete. Unless authorized by the engineer, the concrete mix will meet the following guidelines for a cubic yard of concrete: Cement 564 lbs. minimum - (6 bags) Coarse aggregate 1850 lbs. maximum Fine aggregate 1450 lbs. maximum Water 6 gal./bag of cement ma_xim um-(36 gallons) The contractor will submit evidence as required by the engineer, showing that the concrete ingredients comply with the requirements of this specification. source After the design mix has been approved- no change in due not cheto the engineer. Nd new grading of the materials shall be made without aggregate, nor any aggregate found to differ in quality or properties from the materials on which the design mix has been based shall be used until the engineer CONCRETE NRCS-NC Jufv 199- Area 1 Page t mix based on the new or altered matenai. 5. Consistency The amount of water used in the concrete Shall be the minimum necessary to obtain the required workability. In no case shall the water content exceed the amount designated in the design mix. The consistency of the concrete shall be such that it can be worked readily into the corners and angles of the forms and around reinforcement with the method of placing employed on the work, but without permitting the materials to segregate or excess free water to collect on the surface. The free water contained in the aggregate must be considered as a part of the mixing water in computing the water content. The slump shall be between 2 and 4 inches when tested by "The Test for Slump of Portland Cement Concrete," ASTM Designation C-143. 6. Mixers and Mixing Concrete may be furnished by batch mixing at the site of work or by ready-mix methods. The mixing equipment shall be capable of combining the aggregate, cement and water into a uniform mixture and of discharging this mixture without j segregation. When the concrete is delivered in ready-mix trucks, the delivery ticket must show j the time of batching and the amount of each of the ingredients in the load. I 7. Forms Material - Forms shall be of wood, steel, or other approved material. Construction - Forms shall be true to line and grade, mortar-tight and sufficiently rigid to prevent objectionable deformation under load. The form surfaces shall be smooth, free from irregularities, dents, sags, or holes when used for permanently exposed faces. All exposed joints, edges, and external corners shall be chamfered unless otherwise directed or indicated on the drawings. Bolts and rods used for internal ties shall be so arranged that, when the forms are removed, metal will be not less than one (1) inch from any concrete surface. CONCRETF MRCS-NC July 1994 Area 1 Page 2 T . . t ,orris for exposed surfaces shall be coated with a non-staining form oil ll.be applied before the concrete is placed. After oiling, surplus oil on ?:siha e form surfaces and any oil on the reinforcing steel or other surfaces requiring bond with the concrete shall be removed. Forms for unexposed surfaces may be thoroughly wetted in lieu of oiling immediately before the placing of concrete, except that, in freezing weather, oil shall be used. Removal - All form removal shall be accomplished in such a manner as to prevent injury to the concrete. Forms will not be removed before the expiration of the minimum time indicated below except where otherwise'directed or specifically authorized. Beams and deck-type slabs 14 days Walls'and slabs in contact with the ground 3 days 8. Embedded Items Before concrete is placed, all embedded items will be firmly and securely fastened in place as indicated on the drawings. Embedded items shall be free of oil and other foreign matter. 9. Steel Reinforcement All reinforcement shall be free from flaky rust, oil, grease, paint or other substance which would impair the bond between concrete and steel. Steel bars for concrete reinforcement shall be deformed billet-steel bars, conforming to ASTM Specification A-615, Grade 40. Welded steel wire fabric shall conform to the requirements of ASTM Specification A-185. Reinforcement shall be accurately placed and secured in position in a manner that will prevent its displacement during placement of the concrete. Splices of reinforcing bars shall provide an overlap equal to at least 30 times the diameter of the smaller bar in the splice. Welded wire fabric shall be lapped as directed by the engineer. 10. Conveving Concrete shall be conveyed from mixer to forms as rapidly as practicable by methods which will prevent segregation or loss of ingredients. There shall be no vertical drop greater than five (5) feet except where suitable equipment is provided to prevent segregation and where specifically authorized. No concrete shall be placed until the engineer has given his approval of the subgrade, forms and reinforcing steel in place. No concrete shall be placed until the engineer or his representative is present. The contractor shall notify the engineer of his intention to. pour at least 24 hours in advance. Before any concrete is placed, the forms and subgrade shall be free of chips, dirt, sawdust, or other extraneous materials. 11. Placina General - Concrete shall be worked into the corners and angles of the forms and around all reinforcements and embedded items without permitting the materials to segregate. Concrete shall be placed within one and one-half (1-1 /2) hours after the introduction of the cement to the water and aggregates. Concrete, when deposited in the forms during hot weather, will have a temperature not greater than 90OF at the time of placement. Ice may be used as a portion of the mixing water to control temperatures provided all ice is melted in the mixing process. When the atmospheric temperature reaches or exceeds 900F, the concrete shall be placed within 45 minutes after batching. Concrete, when deposited in the forms temperature of not less than 40OF nor water may be heated to control the coi r temperature of neither aggregates nor i prior to mixing. The materials shall be before entering the mixer. during cold weather, shall have a nore than 800F. The aggregate and mixing crete temperature; however, the fixing water shall be more than 1000F just 'ree from ice, snow and frozen lumps Concrete shall be deposited as close as possible to its final position in the forms. The depositing of concrete shall be regulated so the concrete may be consolidate with a minimum lateral movement. Concrete shall be consolidated with the aid of mechanical vibrating equipment supplemented by hand-spading and rodding. Vibrating equipment shall be of the internal type and shall at all times be adequate to properly consolidate all concrete. All concrete-placing equipment and methods shall be subject to approval. Lifts in Concrete - All concrete shall be deposited in horizontal layers approximately twenty (20) inches in thickness unless otherwise authorized or directed. The placement shall be carried on at such a rate that the formation of cold joints will be prevented. If a delay occurs in excess of a forty (40) minute interval between any two (2) 'consecutive batches or loads, or in case of any delay between placing of batches that allows previously placed concrete to take initial set, the contractor shall discontinue the placing of concrete and make a construction joint satisfactory to the engineer before proceeding with the placing operations. Concrete on Rock Foundation - Where concrete is to be placed on rock surfaces the rock is to be clean, free from oils standing or running water, mud, objectionable coatings, debris, loose semi-detached or unsound rock or fragments. All rock. surfaces shall be wet immediately prior to placing concrete. Concrete on Earth Foundation - Unless otherwise authorized by the engineer all concrete shall be placed upon clean, damp surfaces which are free from frost, ice, standing or running water. Concrete shall not be placed upon soft mud, dried porous earth, or upon fill that has not been subject to approved rolling and tamping. Where concrete is to be placed on dry surfaces, action must be taken to prepare a damp, moist surface prior to placing. 12. Construction Joints The placing of concrete will be accomplished so that construction joints occur at locations shown on the plans or as approved. As a lift is completed, the top surface shall be immediately and carefully protected from any condition that will adversely affect the hardening of the concrete Joints shall be clean and keot , damn until the new concrete is placed. 13. Expansion or Contraction Joints CONCR_-c NP^e.tirr I eod a y' 1. J? C s O LL. J 0 C J ? m r 4 '?I jJ 11 4, ?d? Not L N N N N N N u O u u u u u u u O u \ i0 7-. T ¦ L - a` 0 o Q H Z N u < q °G W W q ? W ? y c ? ? 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I I.- ;,?, ? ?1 ,f III ,1 I1f. m: ?,II!I? ;??!il I i I iI II ! I II II ( i!il! ; 1 '11 1!1-, `'I'II II 111 l i l I .? I ..?1.I-.?... !-.: f ; .III J ' r• ?. 1 i tit I's I j; I I lq 1 1( 1 ! I f i l l ! I ar .,lJ b i ! ; ! l 1 l_ { I 1 I' 1 , I 11 ?..: i. (, I 1 ?„ 111 I I II_.. !!! i.lltll? I?I!I 111?I! fr11 I?I,t lip ?l + ' 1 ? I ! I E v ,,.; lea rl ?. ? r f-A H 1•rl fsj III1,. I I;; I l I.! l fl 1.1. .1-. il?ll_?? I. ?. I I ,? I III .II? I.? ! ME_MORAND UM To: John Dorney Environmental Scie WiYY Branch Throu.ght Forrest R. westal Regional Water Qua Supervisor From: Wanda Frazier -W9-4 Asheville Regional Office Date: July 29, 1997 Rat Staff Report for 401 Water Quality Certification Permit number 0000.592 I met with Mr. Birch McMurray (his name was misspelled as "Birtch" on your staff report form) today and walked over the area that will become a 2.1 acre pond. Mr. McMurray is a retired veterinarian who is in the process of putting his farm land into the MRCS stewardship program. The stream that will be impacted is an unnamed tributary to Rensona Creek. I calculated the stream channel area that will be impacted to be 550 feet in length (that number is from the paperwork submitted) and 1.5 feet in width (average of 1-2 feet wide on July 29, 1997). This comes out to be 825 square feet or 0.0189 acres. No wetlands will be impacted. Steve Chapin from the tTSACOE told Mr. McMurray that since his application was submitted prior to the new rules, no mitigation will be required. Their action ID number for this project is 199702722. A nationwide 26 permit was issued on 6-27-97. Mr. McMurray is very anxious to begin and complete construction as soon as possible so the he can seed (grass) the impaoted area to prevent erosion and sediment impacts to the pond and creels. He would like to hear something from your office as quickly as possible so'that he will be able to let the contract out for bids (which will take 30 days or more). My experience with Mr. McMurray was that he was very pleasant and eager to help in any way during the site visit. He certainly has spent considerable time and money on this project getting together all the appropriate and, required plans, pexmits approvals, and paperwork. Please give me a call if you have any questions. I told Mr. McMurray to give you a call in a couple of days to see is there are any problems or anything we overlooked. Thank you for your attention to this matter. Z0 39Vd Z5tI9Z9ZtIOL EZ :5Z L66Z/6Z/L0 M 116 T,MORANDUM PRINT NAMES; Reviewer: JOHN DORNEY WQ SUPV.: ENVIRONMENTAL SCIENCES BRANCH DATE: • JBJECT: WETLAND STAFF REPORT AND RECONMrMDATIONS- "w*EACH ITEM MUST BE ANSWERED (USE NIA FOR NOT APPLICABLE) *** PERMIT YR.- 97 PERMIT N0:.0000.592 kPPLZCANT NAME: MCMURRAY - FARM POND PROJECT TYPE: POW , • Rpp^Xb COE #: ptq 70,2'r1 gj XCD FROM CUA: APF REG OFFICE: ARO 'VEX-AND-SUB-BASIN-#. 0308 STEEAM CLASS : C WL IMPACT? : YA WL_REQUESTED : -nJ9 WL_SCORE (#) : "?t/k MITIGATION?: Y& COUNTY: POLK PERMIT- TYPE: NW26 DOT #: -n/4L DATE-FRM_CT}A : 07/03/97 STX INDEX NO: 9-32 WL TYPE : `A/16 WL ACR EST? : Y/N -'WOL) WATER IMPACTED BY FILL?: (VIN = U,1>j9fu0-rc5 MITIGATION TYPE: MITIGATION_SIZE:"nlt DID YOU REQUEST MORE INFO?: Ym IS WETLAND RATING SHEET ATTACIMD?: Y42) -AA HAVE PROJECT CHANGES/CONDITIONS BEEN DISCUSSED WITH APPLICANT?: Q/N REC?ATION (Circle One): SS ISSUE/COND DENY OMMENTS: Regional Office Central Fixes Z0 39Vd ZGV919ZVOL £Z:91 L66Z/6Z40 State of North Carolina Department of Environment, LTR;WA Health and Natural Resources 00 Division of Water Quality James Hunt, Governor ED E H N F1 Jonathan B. Howes, Secretary A. Preston Howard, Jr., P.E., Director July 30, 1997 Polk County WQC 401 Project #970592 APPROVAL of 401 Water Quality Certification Mr. Birch McMurray 115 Clifton Drive Athens, GA 30606 Dear Mr. McMurray: You have our approval, in accordance with the attached conditions, to place fill material and flood 0.04 acres of waters for the purpose of constructing a pond at your property (Tract T- 1476/fields 5 and 7), as you described in your application dated 12 July 1997. After reviewing your application, we have decided that this fill is covered by General Water Quality Certification Number 3108. This Certification allows you to use Nationwide Permit Number 26 when it is issued by the Corps of Engineers. In addition, you should get any other federal, state or local permits before you go ahead with your project including (but not limited to) Sediment and Erosion Control, Coastal Stormwater, Non-Discharge and Water Supply Watershed regulations. Also this approval will expire when the accompanying 404 or CAMA 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 total wetland fills for this project (now or in the future) exceed one acre, 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. If you do not accept any of the conditions of this certification, 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. This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water Act. If you have any questions, please telephone John Dorney at 919-733-1786. Sincerely, Attachment Peston o ard, Jr. P cc: Wilmington District Corps of Engineers Corps of Engineers Asheville Field Office Asheville DWQ Regional Office Mr. John Dorney Central Files Gerald Harbis; Polk County NRCS 970592.1tr Division of Water Quality - Environmental Sciences Branch Environmental Sciences Branch, 4401 Reedy Creek Rd., Raleigh, NC 27607 Telephone 919-733-1786 FAX # 733-9959 An Equal Opportunity Affirmative Action Employer - 50% recycled/10% post consumer paper