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HomeMy WebLinkAbout20090970 Ver 1_Application_2009090109-0070 Homewood, Sue From: Lastinger, James C SAW [James.C.Lastinger@usace.army.mil] Sent: Tuesday, September 08, 2009 9:14 AM To: Homewood, Sue Subject: RE: Bruce Simmons Pond, Surry County Sue, I went out there and made a site visit a few months ago. They wanted to repair an old pond, that had been breached for some time, which would involve impacting 50 or so feet of a very small un-important stream. I tried to walk them through the permitting process, and I am waiting on a letter from the WRC before I issue anything. If you need some more info feel free to call me. James Lastinger Regulatory Specialist 919-554-4884 ext 32 -----Original Message----- From: Homewood, Sue [mailto:sue.homewood@ncdenr.gov] Sent: Friday, September 04, 2009 10:19 AM To: Matthews, Monte K SAW; Lastinger, James C SAW Subject: Bruce Simmons Pond, Surry County I just received a PCN for this project. Did either of you guys go out and meet with this gentleman? If no one has been out there yet, I'll probably try to schedule a site visit. Thanks. Please note my new email address Sue Homewood NC DENR Winston-Salem Regional Office Division of Water Quality 585 Waughtown Street Winston-Salem, NC 27107 Voice: (336) 771-4964 FAX: (336) 771-4630 1 o?4F warF9p 0 Y 09-0970 Office Use Only: Corps action ID no. DWQ project no. Form Version 1.4 January 2009 Pro-Construction Notification (PCN) Form 'a Y A. Applicant Information ?. 1. Processing I a. Type(s) of approval sought from the Corps: T Section 404 Permit ? Section 10 Permit ecify Nationwide Permit (NWP) number: or General Permit (GP) number: Has the NWP or GP number been verified by the Corps? Yes 0 No 1d. Type(s) of approval sought from the DWQ (check all that apply): 0p 401 Water Quality Certification - Regular ? Non-404 Jurisdictional General Permit ? 401 Water Quality Certification - Express ? Riparian Buffer Authorization 1 Ds this notification solely for the record because written approval is not required? For the record only for DWQ 401 Certification: KYes [] No For the record only for Corps Permit: ? Yes Q No If. Is payment into a mitigation bank or in-lieu fee program proposed for mitigation of impacts? If so, attach the acceptance letter from mitigation bank or in-lieu fee program. T? 0 Yes U<0 1g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1h below. ? Yes 0No 1 h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? ? Yes P-110 Project Information 2a. Name of project: 2b. County: 2c. Nearest municipality / town: 2d. Subdivision name: 2e. NCDOT only, T.I.P. or state project no: Owner Information 3a. Name(s) on Recorded Deed: 3b. Deed Book and Page No. 0 A 3c. Responsible Party (for LLC if applicable): &g e 3d. Street address: 3e. City, state, zip: ? V'C 3f. Telephone no.: 3_ 7.3 3g. Fax no.: 3h. Email address: 1) '9 Itt 'v - f!` e M Pagel of 10 PCN Form -Version 1.4 January 2009 N.C.. Ca:;t. of r!;a SEP 0 1 2009 W r?a? n•Saler, rct•gicczal Gf.`1ce 4: pplicant Information (if different from owner) 4a. Applicant is: ? Agent ? Other, specify: 4b. Name: 4c. Business name (if applicable): 4d. Street address: 4e. City, state, zip: 4f. Telephone no.: 4g. Fax no.: 4h. Email address: 5. Agent/Consultant Information (if applicable) 5a. Name: 5b. Business name (if applicable): 5c. Street address: 5d. City, state, zip: 5e. Telephone no.: 5f. Fax no.: 5g. Email address: Page 2 of 10 B. Project Information and Prior Project History 9 Property Identification 1a. Property identification no. (tax PIN or parcel ID): ?C7 3 ?? . SO -• A1116- 1 b. Site coordinates (in decimal degrees): Latitude: 03 6 ' 03, 7" Longitude: 090 's-s- ',Z47,7 1c. Property size: 7•r acres 2. Surface Waters 2a. Name of nearest body of water to proposed project: Asa}??, 2b. Water Quality Classification of nearest receiving water: <, 2c. River basin: (a" < ' Project Description 3a. Describe the existing conditions on©the site and the general land use in the vicinity of the project at the time of this application: ?'' N`°r`L` c-d7.?•8?-c.? ? ?t??.. L-°?un ?.,? 3b. List the total estimated acreage of all existing wetlands on the property: 3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property: 3d. Explain the purpose of the proposed project: 3e. Describe the overall project in detail including the type of equipment to be used: . -?,,??t? ?- rvrle?:?... ? . ?? ? .,?' ?) 5'r? ?°?c:? ??r.?*? :.`.,?; j9•??n. ° ,.?1's!,.G,?zr :err ,Q-???. ?: ?--. 4. Jurisdictional Determinations 4a. Have jurisdictional wetland or stream determinations by the Corps or State been requested or obtained for this property / project Includin all prior phases) in the past? ? Yes ? No "Jnknown Comments: 4b. If the Corps made the jurisdictional determination, what type of determination was made? 8"Preliminary ? Final 4c. If yes, who delineated the jurisdictional areas? Name (if known): Agency/Consultant Company: Other: 4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation. 5. Project History 5a. Have permits or certifications been requested or obtained for this project (including all prior phases) in the past? ? Yes ? No ?Jnknown 5b. If yes, explain in detail according to "help file" instructions. 6. Future Project Plans 6a. Is this a phased project? ? Yes No 6b. If yes, explain. Page 3 of 10 PCN Form - Version 1.4 January 2009 C. Proposed Impacts Inventory 1. Impacts Summary 1a. Which sections were completed below for your project (check all that apply): ? Wetlands 2Streams-tributaries ? Buffers ? Open Waters and Construction . 2. Wetland Impacts If there are wetland impacts proposed on the site, then complete this question for each wetland area impacted. 2a. 2b. 2c. •2d. 2e. 2f. Wetland impact Type of impact Type of wetland Forested Type of jurisdiction Area of number Corps (404,10) or impact Permanent (P) or DWQ (401, other) (acres) -Temporary W1 - Choose one Choose one Yes/No W2 - Choose one Choose one YeslNo - W3 - Choose one Choose one YeslNo W4 - Choose one Choose one Yes/No - W5 - Choose one Choose one Yes/No W6 - Choose one Choose one Yes/No 2g. Tota l Wetland Impacts: 2h. Comments: 3Stream Impacts are perennial or intermittent stream impacts ('including temporary impacts) proposed on the site then com lete this , p question for all stream sites impacted. 3a. 3b. 3c. 3d. 3e. 3f. 3g. Stream impact Type of impact Stream name Perennial (PER) or Type of Average Impact number intermittent (INT)? jurisdiction stream length Permanent (P) or width (linear Temporary ( f) .06 an-11 (feet) feet) S1 Choose one w1 AV a6f _ ^- _ ??? p v dye S2 Choose one S3 - Choose one S4 - Choose one S5 - Choose one S6 - Choose one 3h. Total stream and tributary impacts 3i. Comments: ??:? ?-??•?„ .?.l?.a?'°?...P9t ? ?L%??.,=y .. `?t?r-°^e.. mo=t f:.? ! act' ? .?-f ?,?-?..?.z : ??r:%''??-' A_i'?G.".L' Page 4 of 10 PCN Form - Version 1.4 January 2009 4. Open Water Impacts If there are proposed impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of the U.S. then individually list all open water impacts below. 4a. Open water impact number Permanent (P) or Tem ora 4b. Name of waterbody (if applicable) 4c. Type of impact 4d. Waterbody type 4e. Area of impact (acres) 01 - Choose one Choose 02 - Choose one Choose 03 - Choose one Choose 04 - Choose one Choose 4f. Total open water impacts 4g. Comments: and or Lake Construction nd or lake construction proposed, then complete the chart below. 5a. Pond ID number 5b. Proposed use or purpose of pond 5c. Vie1land4mpasts4acres) 5d. Stream Impacts (feet) 5e. Upland (acres) Flooded Fill d Excav d Flooded Filled Excavated P1 Choose one P2 Choose one 5f. Total: ___?..•- ° 5g. Comments: 5h. Is a dam high hazard permit required? [] Yes ga- o if yes, permit ID no: 5i. Expected pond surface area (acres): a 3 5j. Size of pond watershed (acres): 5k. Method of construction: r Yr . 6. Buffer Impacts (for DWQ) If project will impact a protected riparian buffer, then complete the chart below. If yes, then individually list all buffer impacts below. If an impacts require miti ation, then you MUST fill out Section D of this form. 6a. Project is in which protected basin? ? Neuse E]Tar-Pamlico E] Catawba 0 Randleman ? Other: 6b. Buffer Impact number - Permanent (P) or Temporary 6c. Reason for impact 6d. Stream name 6e. Buffer mitigation required? 6f. Zone 1 impact (square feet 6g. Zone 2 impact (square feet 131 - Yes/No B2 - Yes/No B3 - Yes/No B4 - Yes/No B5 - Yes/No B6 - Yes/No 6h. Total Huffer Impacts: 6i. Comments: 3 rl? ' 1.3 ti "'1 Page 5 of 10 6. Buffer Mitigation (State Regulated Riparian Buffer Rules) - required by DWQ 6a. Will the project result in an impact within a protected riparian buffer that requires buffer mitigation? ? Yes ? No 6b. If yes, then identify the square feet of impact to each zone of the riparian buffer that requires mitigation. Calculate the amount of mitigation required. Zone 6c. Reason for impact 6d. Total impact (square feet) Multiplier 6e. Required mitigation (square feet) Zone 1 3 (2 for Catawba) Zone 2 1.5 6f. Total buffer mitigation required: 6g. If buffer mitigation is required, discuss what type of mitigation is proposed (e.g., payment to private mitigation bank, permittee responsible riparian buffer restoration, payment into an approved in-lieu fee fund). 6h. Comments: Page 7 of 10 E. Stormwater Management and Diffuse Flow Plan (required by DWQ) 1. Diffuse Flow Plan 1 a. Does the project include or is it adjacent to protected riparian buffers identified within one of the NC Riparian Buffer Protection Rules? ? Yes ? No 1 b. If yes, then is a diffuse flow plan included? If no, explain why. ? Yes ? No 2. Stormwater Management Plan 2a. What is the overall percent imperviousness of this project? % 2b. Does this project require a Stormwater Management Plan? ? Yes ? No 2c. If this project DOES NOT require a Stormwater Management Plan, explain why: 2d. If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan: 2e. Who will be responsible for the review of the Stormwater Management Plan? 3. Certified Local Government Stormwater Review 3a. In which local overnment' sJurisdiction is this project? 3b. Which of the following locally-implemented stormwater management programs apply (check all that apply): El Phase II ? NSW USMP Water Supply Watershed [] Other: 3c. Has the approved Stormwater Management Plan with proof of approval been attached? []Yes ? No 4. DWQ Stormwater Program Review 4a. Which of the following state-implemented stormwater management programs apply (check all that apply): E]Coastal counties ?HQW []ORW []Session Law 2006-246 []Other: 4b. Has the approved Stormwater Management Plan with proof of approval been attached? ? Yes E] No 5. DWQ 401 Unit Stormwater Review 5a. Does the Stormwater Management Plan meet the appropriate requirements? [] Yes ? No 5b. Have all of the 401 Unit submittal requirements been met? ? Yes ? No Page 8 of 10 PCN Form -Version 1.4 January 2009 F. Supplementary Information 1. Environmental Documentation (DWQ Requirement) la, Does the project involve an expenditure of public (federal/statellocal) funds or the ?Yes No use of public (federaUstate) land? 1 b. If you answered "yes° to the above, does the project require preparation of an environmental document pursuant to the requirements of the National or State ? Yes ? No (North Carolina) Environmental Policy Act (NEPA/SEPA)? 1 c. If you answered "yes" to the above, has the document review been finalized by the State Clearing House? (if so, attach a copy of the NEPA or SEPA final approval ? Yes ? No letter.) Comments: 2. Violations (DWQ Requirement) 2a. Is the site in violation of DWQ Wetland Rules (15A NCAC 2H .0500), Isolated Wetland Rules (15A NCAC 2H.1300), DWQ Surface Water or Wetland Standards, ?Yes No or Riparian Buffer Rules (15A NCAC 213 .0200)? 2b. Is this an after-the-fact permit application? ?Yes No 2c. If you answered "yes" to one or both of the above questions, provide an explanation of the violation(s): 3. Cumulative Impacts (DWQ Requirement) 3a. Will this project (based on past and reasonably anticipated future impacts) result in ?Yes No additional development, which could impact nearby downstream water quality? 3b. If you answered "yes" to the above, submit a qualitative or quantitative cumulative impact analysis in accordance with the most recent DWQ policy. If you answered "no," provide a short narrative description. 4. Sewage Disposal (DWQ Requirement) 4a. Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of wastewater generated from the proposed project, or available capacity of the subject facility. Page 9of10 PCN Form -Version 1.4 January 2009 5. Endangered Species and Designated Critical Habitat (Corps Requirement) 5a. Will this project occur in or near an area with federally protected species or habitat? ? Yes ENO- 5b. Have you checked with the USFWS concerning Endangered Species Act impacts? ? Yes E-3-ho 5c. If yes, indicate the USFWS Field Office you have contacted- 5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat? 6. Essential Fish Habitat (Corps Requirement) r®? 6a. Will this project occur in or near an area designated as essential fish habitat? [Yes ? No 6b. What data sources did you use to determine whether your site would impact Essential Fish Habitat? 7. Historic or Prehistoric Cultural Resources (Corps Requirement) 7a. Will this project occur in or near an area that the state, federal or tribal governments have designated as having historic or cultural preservation status (e.g., National Historic Trust designation or properties significant in North Carolina history and archaeology)? ? Yes ?o 7b. What data sources did you use to determine whether your site would impact historic or archeological resources? 8. Flood Zone Designation (Corps Requirement) 8a. Will this project occur in a FEMA-designated 100-year floodplain? ? Yes No 8b. If yes, explain how project meets FEMA requirements: 8c. What source(s) did you use to make the floodplain determination? vgra C 'e, S /x 0 A45 ,i9 3 Z?f?• 9e-9?r Ctrt4?? Applicant/Agent's Printed Name App icant/Agent's Signature (Agent's signature is valid only if an authorization letter from the applicant is provided.) Date ,ry tJ Page 10 of 10 . _ t d J t h ti a- ..,rp t _ a _ & r ._ % N t t ce) O >? 1 f - _•' < ?? r 1 ? x jj\ #?i z ot ow Y//rv .. '15 ) ?(w ?'?L`?• - ,f. ? ?? ?_ t l ii 4_-a?--.s..? ? 3y. ?'4.? .... t 1 J v-cam * ?'Zt? ? ? ? ?? f ? ? E ? r fw / Y r ` 1 ?f J r t , J is ? f r r a ? M 7 { r•y ... zC1 M Y - f* ??JJ 'f 3 ?F S i s.? j 3 ` c) A _0 " r , r t r- { z s Ci -- -,y--•.''r^..` ? r.? ?4 4.,?.`' r. ?• "'? err _ ? _ S '?,? t_ -- ?Q 04 j -'C3 u z _ 1, f r < 1 1 z .?y. 7° W % `l F??r ` -?? ?a 4 t? JJ ?? ?tt l? ? ` 5 5F 1 -tV Name: ROARING GAP Location: 036° 25'42.4" N 080° 55' 21.8" W Date: 6!212009 Caption: BRUCE SIMMONS Scale: 1 inch equals 1000 feet UPPER MITCHELL RIVER SURRY COUNTY, NC V, Maptech, Inc BRUCE SIMMONS POND SEDIMENT AND EROSION CONTROL PLAN The sediment and erosion control requires the strict adherence to the sequence of construction that is attached. The site construction disturbance will be limited to the dam and pond area from 10 feet below the toe of dam to the top of bank above the planned waterline as shown on the drawings. Additional site disturbance is limited to the planned excavation disposal / borrow area also shown on the drawings. The sediment and erosion control measures to be installed are the erosion control blanket to be used on the old drainage ditch backfill, the rock check dam basin, and the silt fence as they are shown on the drawings. Sediment and erosion control measures must be maintained until all construction and seeding has been completed and the vegetation is being established. Within three (3) days of completing final grading on any segment of construction all disturbed areas will be seeded to the seeding specifications in this plan. NOTE: This sediment and erosion control plan has been developed purpose of considering the short-turn and construction related effects of this planned construction on the quality of downstream watercourses. No application for a permit under the North Carolina Sedimentation Pollution Control Act is required as long as the proposed construction is limited to less than one (1) acre as is planned. BRUCE SIMMONS POND 5URRY COUNTY, NC Scope of Work The Scope of Work includes clearing the site to the limits described in the Sediment and Erosion Control Plan and as shown on the drawings and installing the sediment control measures. The additional work includes backfilling the old drainage ditch, excavating the old pond pool and rebuilding the dam. The time needed for construction from clearing to final seeding should be limited to less than 30 days including normal bad weather days. Construction Sequence bom/Pond The following is the anticipated Construction Sequence necessary to achieve the required results of the initial Scope of Work: 1. Clearing the work site of trees, stumps and debris. 2. Install the planned sediment and erosion control measures 3. Excavate soil material and backf ill the drainage ditch that was constructed originally to drain the original pond. Seed and install the erosion control blanket material in this area. 4. Excavate the pool area of the pond and place the excavated soil material in the excavation / borrow area site. (1000 cu. yds.) 5. Excavate the dam core trench and backf ill it. (225 cu. yds.) 6. Excavate and backf ill the pipe spillway bed. 7. Install the pipe spillway and the anti-seep collars. 8. Place the earth fill in the dam and complete to planned elevations widths and slopes. (1500 cu. yds.) 9. Dress all disturbed areas and seed, mulch and fertilize, in accordance with approved plans, SPECIFICATIONS FOR CONSTRUCTION OF POND For: BRUCE SIMMONS, SURRY COUNTY, NC SEDIMENT and EROSION CONTROL MEASURES: 450' of silt fence will installed as showed in the drawings. Erosion Control Blanket will be installed in accordance with manufactures specifications to cover the seeded backfill that is placed in the old pond drainage ditch. A rock check dam basin will be constructed as designed and in the locations shown in the drawings. The basin will be maintained during the construction until vegetation has been established. CLEARING: The site will be cleared to the limits shown on the drawings and marked in the (field. The trees will be sawed and processed by the landowner for either saw logs or firewood. The small limbs and stumps will burned or buried as desired by the landowner. Burning of any debris will only be done alter a burning permit has been issued to the owner. FILL MATERIAL AND PLACEMENT: The material placed in the fill shall be free of sod, roots, frozen soil, stones more than four (4) inches in diameter and other objectionable material. Borrow area is designated on the plans. All fill materials shall be taken from the designated area. The placing and spreading of fill materials shall be started at the lowest point of the foundation and the fill brought up in horizontal layers not to exceed nine (9) inches in thickness prior to compaction. The fill shall be constructed in continuous horizontal layers. When materials of varying texture and gradation are used, the more impervious material shall be placed in the center and upstream parts of the fill. The moisture content of the fill material shall be adequate for obtaining good compaction. Material that is too wet or too dry shall not be placed until the soil moisture is corrected. Construction equipment shall be operated over all areas of each layer of fill to insure that adequate compaction is obtained A mechanical roller- compactor shall be used as needed to obtain the needed compaction. Till adjacent to the pipe spillway shall be carefully compacted to a density equivalent to that of the surrounding fill by manually directed power tampers or plate vibrators. Till material compacted with manually directed power tampers or plate vibrators shall be placed in horizontal layers not to exceed four (4) inches in thickness prior to compaction. Selected back fill material shall be placed around the structures, pipe conduits, and anti-seep collars at about the same rate on all sides to prevent damage from unequal loading. Over compaction that may raise the pipe conduit or make the fill brittle can be just as harmful as can under compaction. PIPE SPILLWAY: The pipe spillway will be 8" dia. SCI) 80 PVC pipe with SCD 80 couplings. The anti-seep collars will be made of 1/8" x 4' x 4' sheet aluminum and will be installed so that they are watertight around the outside of the pipe. The pipe shall be installed according to the manufacturer's instructions. The pipe shall be firmly and uniformly bedded throughout its length and shall be installed to the line and grade shown on the drawings. POND EXCAVATION: The completed excavation shall conform to the lines, grades, and elevations shown on the drawings or as staked in the field. The excavated material shall be uniformly shaped and spread in the borrow area as the borrow material is removed. PROTECTION: A protective cover of vegetation shall be established on all exposed surfaces of the embankment, spillway, borrow area, or spoil if soil conditions permit. If soil conditions at the conclusion of construction precludes the use of vegetation and protection is needed, non-vegetative means, such as mulches or gravel should be used. In some places, temporary vegetation may be used until conditions permit establishment of permanent vegetation. Fencing shall be used if necessary to protect the vegetation. GENERAL: Construction operations shall be carried out in such a manner and sequence that erosion and air and water pollution are minimized and held within legal limits. All work shall be conducted in a skillful and professional manner and the completed job shall present a workmanlike appearance. Appropriate safety measures, such as warning signs, rescue facilities, etc., should be provided for the completed pond. SPECIFICATION NOTE CONCERNING PUBLIC UTILITIES: The landowner advises the contractor that there no utilities known by the landowner to exist within the work area is shown on the plans. The utility representative should be contracted prior to starting the construction work. The fact that utilities are not be shown on the drawings cannot be taken as assurance that utilities are not present at the site. All parties should understand that any liability for damages resulting from the disruption. of utility service caused by the construction activities rest between. the owner, contractor, and the affected utility. GENERAL RESPONSIBLITIES OF: LANDOWNERS The landowner has completed these plans and specifications and will explain and inform the contractor concerning them. Inspection during construction will be the responsibility of the landowner. CONTRACTORS 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. All benchmarks, grade and line stakes will. be left undisturbed and protected by the contractor to facilitate construction and inspection. The contractor, weather permitting, will schedule his work so that he will start on the agreed date, and work will be a continuous operation until satisfactorily completed. All damages occurring to completed works or materials, by the elements or otherwise, during construction will be the responsibility of the contractor. The contractor will pay for partial or damaged work and/or replaced materials damaged from any cause. Absence of inspections during construction will not relieve the contractor from completing the work in strict compliance with these plans and specifications. Upon completion of the work, before moving his equipment, the contractor will request a final inspection by the landowner. The contractor will then receive approval that all work had been completed satisfactorily and/or he may complete those items that vary from the plan and specifications in order that the final inspections will result in approval. CONSTRUCTION SPECIFICATION PIPE SPILLWAY INSTALLATION For: BRUCE SIMMONS POND SURRY COUNTY, NC The pipe conduit shall be placed on a firm foundation to the lines and grades shown on the plans. Installation shall be preformed in a skillful and workmanlike manner in accordance with manufacturer's recommendations. Prior to laying the pipe, a foundation trench shall be prepared for the pipe by filling approximately 6" above grade with selected approved soil material. The foundation trench for the pipe shall then be excavated with a bottom width of three (3) feet and to approximately two (2) inches below the planned invert of the pipe. The trench shall have side slopes of 2/1 or flatter. The bottom of the foundation trench will be graded and shaped to conform to the outside diameter of the pipe. Excavation. for the two anti-seep collars will be completed prior to installing the pipe in the location shown on the drawing. The anti-seep collar trench will extend 30" below the invert elevation of the pipe and 30" to the left and right of the center of the pipe. Three (3) inches of uncompacted clay soil material shall be placed in the shaped foundation trench immediately prior to placing the pipe. This soil material shall be moist and free of any rocks or debris. The pipe shall then be placed to line and grade and firmly and uniformly bedded into the foundation trench throughout its entire length. Select moist fill material shall then be placed in six (6) layers around on each side of the pipe and mechanically compacted around the pipe conduit at approximately the same rate on both sides of the pipe. Compaction around the bottom half of the pipe and anti-seep collars must be firm to fill all the voids, but extreme caution must be exercised to prevent damage, movement, uplift or deflection of the pipe. Compaction with a mechanical compactor will continue until two (2) feet of fill is obtained over the top of the pipe. Compaction at that point will continue using either a mechanical compactor or sheepsfoot roller and the earth moving equipment. CONSTRUCTION SPECIFICATION EROSION CONTROL BLANKET SCOPE The work shall. consist of the installation of an erosion control blanket at the end of the emergency spillway channel and the entrance to the outflow stream channel. Erosion control fabric will also be installed on each bench and side slope on each side of the stream channel. MATERIALS The erosion control blanket lining shall be a machine produced mat with a coconut fiber and or straw matrix. The erosion control blanket shall be SC 150 long term erosion control blanket as manufactured by North American Green or other term erosion control blanket that will give equal protection. SUBGRADE PREPARATION The subgrade surfaces on which the blanket is to be placed shall be cut or filled and graded to the lines and grades shown on. the drawings. Lime, fertilizer and seed shall be applied in accordance with construction specification for seeding and mulching prior to the installation of the erosion control blanket. The blanket shall not be placed until the subgrade has been inspected and approved by the Engineer. PLACEMENT The top edge of the blanket shall be anchored in a 6-inch deep 6-inch wide trench approximately 2-feet back from the top edge of the slope. The trench shall be backfilled and compacted after the blanket is fastened in the trench with staples. The blankets shall be placed with a minimum 12-inch overlap from one section of blanket to the next section. The blanket shall be overlapped with. the upstream. section overlapping the downstream section. The terminal end of the blanket must be anchored in a 6-inch deep by 6-inch wide trench. The trench shall be backfilled as noted above. The blanket shall be fastened with wire staples or biodegradable fasteners such as Eco-Stakes or 13io- Stakes. The fasteners shall be installed in a staggered pattern on 3-ft. spacing along the row and 2-ft. spacing between rows. MAINTENANCE AND RESTORATION The landowner shall maintain the areas treated with the erosion control blanket until the vegetation has been established. Maintenance shall consist of the repair of areas damaged by water erosion, wind, fire, or other causes. Such areas shall be reseeded and repairs made as needed to the erosion control blanket. SEEDING and MULCHING SPECIFICATIONS BRUCE SIMMONS POND SURRY COUNTY, NC A. Site Preparation 1. Smooth land to fill rills and washes so runoff will not be concentrated and to provide uniform slopes. 2. Perform all land preparation and seeding on the general contour. B. Seedbed Preparation Prepare a seedbed 3 to 5 inches deep. Scarify the surface with suitable equipment such as a chain harrow, grader with chisels attached or with hand tools. Ripping chisels or tools must be spaced not more than 12" apart. C. Seeding ?. Use a cyclone seeder, brillion-type seeder, or other appropriate seeding apparatus to achieve a %z inch seeding depth. Where a cyclone seeder is used, cross seed by seeding one half of the seed in one direction and the other half at right angles. When the seed are broadcast, cover them to a''/z inch depth and cultipack the entire area immediately following seeding. All operations using a brillion-type seeder or cultipacker should be done across the slope. Hydraulic seeding - Mix the fertilizer, seed and wood cellulose fiber mulch with water and apply the slurry uniformly over the area being treated. The slurry must be applied within one hour after mixing the seed with the fertilizer. 3. Mulching - Mulch all areas immediately after seeding. Mulch must cover 85% of the surface area. D. Temporary Seeding 1. Provide temporary seeding during the late winter and summer months (see list below). Permanent seeding should be established as soon as possible based on appropriate seeding dates. E. Lime, Fertilizer, and Seed Estimated Area = acres* 0.50 acres Seeding Dates Amount 601bs. of fescue (KY -31) per acre Aug. 15 - Oct 31 35 tbs. (permanent) Feb. 15 - April 15 501bs. of rye-grain per acre (temporary) Nov. I - Feb. 14 - 251bs. 401bs. of browntop millet per acre April 15 - Aug 15 (temporary) 25 tbs. 2501bs. of 46% phosphate per acre - 100 tbs. 1000 tbs. of 10-10-10 fertilizer per acre = 500 tbs. 4000 tbs. of lime per acre = 2000 tbs. 125 bales of straw per acre - 65 bales * Measure area(s) to be seeded prior to seeding and adjust acreage and quantities of seeding materials accordingly. SLIDE GATES & VALVE CONSTRUCTED OF HIGH DENSITY PVC AND STAINLESS STEEL FOR DURABILITY AND CORROSION RESISTANCE ® NOT PRESSURE DATED • MADE WITH 1/2" THICK PVC MATERIAL ® MALE CONNECTION WITH SDR 35 PVC ® SIZE: 10"-18" SLIDE GATE VALVE ECONO VALVE FOR INDUSTRIAL, AGRI- CULTURAL, AND COMMERCIAL USE. ® STAIN LESS STEEL PADDLES. PVC ASSEMBLY AND METAL HANDLE ATTACHES TO SCH 40 PVC PIPE. 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