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HomeMy WebLinkAbout20110186 Ver 1_Application_20110224 BEVERLY EAVES PERDUE GOVERNOR February 21, 2011 . FF9 !a? 24 STATE OF NORTH CAROLINA EUGENE A. CONTL JR. SECRETARY Ms. Liz Hair 110186 Asheville Regulatory Field Office US Army Corps of Engineers 151 Patton Avenue, Room 208 Asheville, North Carolina 28801-5006 SUBJECT: Pipe Rep lacement/Secondary Road Paving on SR 1520 (Dobbs Road), Cleveland County Dear Ms. Hair: The North Carolina Department of Transportation proposes to replace a box culvert in conjunction with a secondary road paving project on SR 1520 (Dobbs Road) in Cleveland County. NCDOT requests authorization to replace a deteriorating 20-foot long, 6' x 3.5' concrete/rock culvert with a 50-foot long, 81" x 59" CM PA on SR 1520 (Dobbs Road) in Cleveland County. Ten feet of riprap will be utilized at the new pipe inlet and outlet for structure stabilization. A temporary cofferdam pumping system will be used to divert the stream around the construction site as needed. All areas affected by temporary cofferdam system will be restored to pre-project conditions. The scope of the work will permanently impact 40 linear feet of an unnamed tributary to Hinton Creek, which is classified as Class C Waters by the Division of Water Quality. No wetlands or high quality waters will be impacted by this project. This office has conducted a GIS and field survey for the project for historical sites and threatened/endangered species sites. No sites listed on the National Register of Historic Places are located in the vicinity of the project nor did there appear to be any eligible structures. The federally listed species for Cleveland County (USFWS listed date September 22, 2010) include the dwarf-flowered heartleaf (Hexastylis naniJlora). National Heritage Program records document the nearest Dwarf-flowered heartleaf location approximately 3.2 miles east of the proposed project area. The heartleaf is usually found on dry to moist ravine slopes (usually north facing and of the oak-hickory-pine forest type) and in boggy areas near springheads. There is little suitable habitat within the proposed project area and no species were observed. It is anticipated that this project will have no impact on the heartleaf species DEPARTMENT OF TRANSPORTATION AT1`1Post Office Box 47 Shelby, North Carolina 28 1 5 1-0047 SR 1520, Dobbs Road Page 2 February 21, 2011 The project area is not located within 'h mile of any critical watershed area nor is SR 1520 a rural or urban arterial: therefore, hazardous spill basins are not required. Enclosed is the hazardous spill basin checklist. have enclosed a pre-construction notification for a NW#14 (GC43820) sketches of planned activities and location maps relative to the project. Project information for the 401 Automated Payment Procedure is as follows: • Work order number: 150464-55120005-12C.023102-3300 • TIP#: NA • Project Category: $240.00 Fee If you have any questions or concerns please feel free to contact me at (704) 480-9044. Thank you for your time and consideration on this matter. Respectfully yours, M.L. Holder, P.E. Division Engineer Twelfth Division BY: Trish Simon Division 12 Environmental Supervisor Enclosures Cc: Polly Lespinasse, Division of Water Quality, Mooresville Regional Office Brian Wrenn, Division of Water Quality, Transportation Permitting Unit .s O? FWATF?Oc 1?.?1 O Y Office Use Only: Corps action ID no. DWQ project no. Form Version 1.3 Dec 10 2008 Pre-Construction Notification PCN Form A. Applicant Information 1. Processing 1a. Type(s) of approval sought from the Corps: ®Section 404 Permit El Section 10 Permit 1b. Specify Nationwide Permit (NWP) number: 14 or General Permit (GP) number: 1c. Has the N WP or GP number been verified by the Corps? ? Yes ® No 1d. Type(s) of approval sought from the DWQ (check all that apply): ® 401 Water Quality Certification - Regular ? Non-404 Jurisdictional General Permit ? 401 Water Quality Certification - Express ? Riparian Buffer Authorization 1e. Is this notification solely for the record because written approval is not required? For the record only for DWQ 401 Certification: ? Yes N No For the record only for Corps Permit: ? Yes ® No 1f. 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. ? Yes ® No 1g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h below. ? Yes ® No 1h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? ? Yes ® No 2. Project Information 2a. Name of project: SR 1520 (Dobbs Road) 21b. County: Cleveland 2c. Nearest municipality / town: Polkville 2d. Subdivision name: 2e. NCDOT only, T.I.P. or state project no: 12C.023102 3. Owner Information 3a. Name(s) on Recorded Deed: NC DOT Right of Way 3b. Deed Book and Page No. 3c. Responsible Party (for LLC i f applicable): 3d. Street address: 3e. City, state, zip: 3f. Telephone no.: 3g. Fax no.: 3h. Email address: Page 1 of 11 PCN Form - Version 1.3 December 10, 2008 Version 4. Applicant Information (if different from owner) 4a. Applicant is: ? Agent ? Other, specify: 4b. Name: Mike Holder 4c. Busines s name (if applicable): N.C C. Department of Transportation, Division 12 4d. Street address: 1710 East Marion Street 4e. City, state, zip: Shelby, NC 28151 4f. Telephone no.: 704-480-9020 49. Fax no.: 704-480-5401 4h. Email address: mholder@ncdot.gov 5. Agent/Consultant Information (if applicable) 5a. Name: Trish Simon Sb. Business name (if applicable): N.C C. Department of Transportation, Division 12 5c. Street address: 1710 East Marion Street 5d. City, state, zip: Shelby, NC 28151 5e. Telephone no., 704-480-9044 5f. Fax no.: 704-480-5401 5g. Email address: tsiimon@ncdot.gov Page 2 of 11 PCN Form - Version 1.3 December 10, 2008 Version B. Project Information and Prior Project History 1. Property Identification 1a. Property identification no. (lax PIN or parcel ID): NA Latitude: 35.446907 Longitude: - 1b. Site coordinates (in decimal degrees): 81.651256 (DD.DDDDDD) (-DD.DDDDDD) 1c. Property size: <.10 acres for pipe replacement: Entire paving project- 2.15 acres 2. Surface Waters 2a. Name of nearest body of water (stream, river, etc.) to proposed project: Unnamed tributary to Hinton Creek 2b. Water Quality Classification of nearest receiving water: C 2c. River basin: Broad 3. 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: Existing 20-foot long, 6'x 3.5' concrete and rock culvert, landuse is mostly forested. Pipe is on unpaved secondary road which is to be paved. 3b. List the total estimated acreage of all existing wetlands on the property: 0 3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property: 100 feet 3d. Explain the purpose of the proposed project: The purpose of the proposed work is to replace the deteriorating culvert for the safety of the travelling public. 3e. Describe the overall project in detail, including the type of equipment to be used: NCDOT proposes to replace a deteriorating 20-foot long, 6' x 3.5' concrete and rock culvert, with a 50-foot long, 81"x 59" CMPA. Ten feet of riprap will be utilized at the new pipe inlet and outlet for structure stabilization. A temporary cofferdam pumping system will be used to divert the stream around the construction site as needed. Area affected by temporary cofferdam system will be graded and restored back to pre-project conditions. All Best Management Practice's will be utilized during the course of the project. The Project will be constructed using typical heavy equipment (trackhoe, backhoe, etc.). 4. Jurisdictional Determinations 4a. Have jurisdictional wetland or stream determinations by the Corps or State been requested or obtained for this property / project (including all prior phases) in the past? ? Yes ® No ? Unknown Comments: Jurisdictional stream determination made by Division 12 DEO. 4b. If the Corps made the jurisdictional determination, what type ? Preliminary ? Final of determination was made? 4c. If yes, who delineated the jurisdictional areas? Agency/Consultant Company: Name (if known): Other: 4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation. Page 3 of 11 PCN Form - Version 1.3 December 10, 2008 Version 5. Project History 5a. Have permits or certifications been requested or obtained for this project (including all prior phases) in the past? ? Yes ®No ? Unknown 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 4 of 11 PCN Form -Version 1.3 December 10, 2008 Version C. Proposed Impacts Inventory 1. Impacts Summary 1a. Which sections were completed below for your project (check all that apply): ? Wetlands ® Streams - tributaries ? Buffers ? Open Waters ? Pond 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. e. 2f Wet land impact Type of jurisdiction number - Type of impact Type of wetland 7Forested (Corps - 404, 10 Area of impact Permanent (P) or (if known) DWQ - non-404, other) (acres) Temporary T W1 ? P ? T ? Yes ? Corps ? No ? DWQ W2 ? P ? T ? Yes ? Corps ? No ? DWQ W3 ? P ? T ? Yes ? Corps ? No ? DWQ W4 ? P ? T ? Yes ? Corps ? No ? DWQ W5 ? P ? T ? Yes ? Corps ? No ? DWQ W6 ? P ? T ? Yes ? Corps ? No ? DWQ 2g. Total wetland impacts 2h. Comments: 3. Stream Impacts If there are perennial or intermittent stream impacts (including temporary impacts) proposed on the site, then complete this question for all stream sites impacted. 3a. 3b. 3c. 3d. 3e. 3f. 3g. Stream impact Type of impact Stream name Perennial Type of jurisdiction Average Impact number - (PER) or (Corps - 404, 10 stream length Permanent (P) or intermittent DWQ - non-404, width (linear Temporary (T) (INT)? other) (feet) feet) S1 ®P ? T Increase in pipe Ut to Hinton Creek ® PER ? Corps 4 30 length ? INT ® DWQ S2 ® P ? T Riprap structure Ut to Hinton Creek ® PER ® Corps 4 10 stabilization ? INT ® DWQ S3 ? P ®T Cofferdam bypass Ut to Hinton Creek ® PER ® Corps 4 60 pumping ? INT ® DWQ S4 ? P ? T ? PER ? Corps ? INT ? DWQ S5 ? P ? T ? PER ? Corps ? INT ? DWQ S6 ? P ? T ? PER ? Corps ? INT ? DWQ 3h. Total stream and tributary impacts `40 3i. Comments: *Total permanent impacts Page 5 of 11 PCN Form - Version 1.3 December 10, 2008 Version 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. 4b. 4c. 4d. 4e. Open water Name of waterbody impact number - (if applicable) Type of impact Walerbody type Area of impact (acres) Permanent (P) or Temporary T 01 ?P?T 02 ?P?T 03 ?P?T 04 ?P?T 417. Total open water impacts 4g. Comments: 5. Pond or Lake Construction If and or lake construction proposed, then complete the chart below. 5a. 5b. 5c. 5d. 5e. Pond ID Proposed use or purpose Welland Impacts (acres) Stream Impacts (feet) Upland number (acres) of pond Flooded Filled Excavated Flooded Filled Excavated Flooded P1 P2 5f. Total 5g. Comments: 5h. Is a dam high hazard permit required? ? Yes ? No if yes, permit ID no: 5i. Expected pond surface area (acres): 5j. Size of pond watershed (acres): 5k. Method of construction: 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 mitigation, then you MUST fill out Section D of this form. 6a. ? Neuse ? Tar-Pamlico ? Other: Project is in which protected basin? ? Catawba ? Randleman 6b. 6c. 6d. 6e. 6f. 6g. Buffer impact number- Reason Buffer Zone 1 impact Zone 2 impact Permanent (P) or for Stream name mitigation (square feet) (square feet) Temporary T impact required? B1 ?P?T ?Yes ? No B2 ?P?T ?Yes ? No B3 ?P?T ?Yes ? No 6h. Total buffer impacts 6i. Comments: Page 6 of 11 PCN Form - Version 1.3 December 10, 2008 Version D. Impact Justification and Mitigation 1. Avoidance and Minimization 1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project. 1b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques. Minimization of impacts by installing appropriate erosion control measures. 2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State 2a. Does the project require Compensatory Mitigation for impacts to Waters of the U.S. or Waters of the State? ? Yes ®No 2b. If yes, mitigation is required by (check all that apply): ? DWQ ? Corps 2c. If yes, which mitigat ion option will be used for this project? ? Mitigation bank ? Payment to in-lieu fee program ? Permittee Responsible Mitigation 3. Complete if Using a Mitigation Bank 3a. Name of Mitigation Bank: 3b. Credits Purchased (attach receipt and letter) Type Quantity 3c. Comments: 4. Complete if Making a Payment to In-lieu Fee Program 4a. Approval letter from in-lieu fee program is attached. ? Yes 41b. Stream mitigation requested: linear feet 4c. If using stream mitigation, stream temperature: ? warm ? cool ?cold 4d. Buffer mitigation requested (DWQ only): square feet 4e. Riparian wetland mitigation requested: acres 4f. Non-riparian wetland mitigation requested: acres 4g. Coastal (tidal) wetland mitigation requested: acres 4h. Comments: 5. Complete if Using a Permittee Responsible Mitigation Plan 5a. If using a permittee responsible mitigation plan, provide a description of the proposed mitigation plan. Page 7 of 11 PCN Form -Version 1.3 December 10, 2008 Version 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 8 of 11 PCN Form -Version 1.3 December 10, 2008 Version E. Stormwater Management and Diffuse Flow Plan (required by DWQ) 1. Diffuse Flow Plan 1a. Does the project include or is it adjacent to protected riparian buffers identified ? Yes ® No within one of the NC Riparian Buffer Protection Rules? 1b. If yes, then is a diffuse flow plan included? If no, explain why. Yes No ? ? Comments: 2. Stormwater Management Plan 2a. What is the overall percent imperviousness of this project? NA % 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, na rrative description of the plan: Complies with NCDOT's individual NPDES permit NCS000250. ? Certified Local Government 2e. Who will be responsible for the review of the Stormwater Management Plan? ? DWQ Stormwater Program ® DWQ 401 Unit 3. Certified Local Government Stormwater Review 3a. In which local government's jurisdiction is this project? NA ? Phase II 31b. Which of the following locally-implemented stormwater management programs ? NSW ? uSMP apply (check all that apply): ? Water Supply Watershed ? Other: 3c. Has the approved Stormwater Management Plan with proof of approval been ? Yes ? No attached? 4. DWQ Stormwater Program Review ? Coastal counties ? HQW 4a. Which of the following state-implemented stormwater management programs apply ? ORW (check all that apply): ? Session Law 2006-246 ? Other: 4b. Has the approved Stormwater Management Plan with proof of approval been attached? ? Yes ? No 5. DWQ 401 Unit Stormwater Review 5a. Does the Stormwater Management Plan meet the appropriate requirements? ? Yes ? No 51b. Have all of the 401 Unit submittal requirements been met? ? Yes ? No Page 9 of 11 PCN Form - Version 1.3 December 10, 2008 Version F. Supplementary Information 1. Environmental Documentation (DWQ Requirement) la. Does the project involve an expenditure of public (federal/state/local) funds or the ®Yes ? No use of public (federal/state) land? 1b. 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)? 1c. 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 letter.) ? Yes ? No 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 2B .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. The project is classified as a minimum critieria project which has low potential for cumulative/indirect impacts and will not result in additional development which could impact water quality. 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. No wastewater generated from project Page 10 of 11 PCN Form - Version 1.3 December 10, 2008 Version 5. Endangered Species and Designated Critical Habitat (Corps Requirement) 5a. Will this project occur in or near an area with federally protected species or ? Yes ®No habitat? 5b. Have you checked with the USFWS concerning Endangered Species Act ? Yes No impacts? Sc. If yes, ind icate the USFWS Field Office you have contacted. El Raleigh ? Asheville 5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat? NC Natural Heritage Program database and on-site survey. 6. Essential Fish Habitat (Corps Requirement) 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? No salt marshes, oyster reefs, or seagrass beds in the vicinity of the project. 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 ? Yes ® No status (e.g., National Historic Trust designation or properties significant in North Carolina history and archaeology)? 7b. What data sources did you use to determine whether your site would impact historic or archeological resources? The State Historic Preservation Office (SHPO) resources and the National Register of Historic Places werer reviewed for historic sites in the vicinity of the project, however, the pipe replacement project occur within a previously impacted area (NC DOT Right of Way). The road paving project was reviewed by SHPO on February 4, 2008 (08-0059). 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: NCDOT Hydraulics Unit coordination with FEMA 8c. What source(s) did you use to make the floodplain determination? FEMA FIRM panal number: 3710261200J /,I- L. wo let f- y?r / ?W4 J?i) ;-Z /-// Applicant/Agent's Printed Name Applicant/Agent's Signature Date (Agent's signature is valid only if an authorization letter from the applicant is rovided. Page 11 of 11 PCN Form - Version 1.3 December 10, 2008 Version SR 1520, Dobbs Road Cleveland County Inlet Upstream Downstream Outlet 1'?t I?\. "1i23}-J,' .., %' ,i `? __ /! ; ( 11' i ;?, `•/1 ) _ _ I r l i Me, of is . Palmer Secondary Road Paving/ Pipe Replacement `\r t I 1 } kit 869 J Itifilore Name: POLKVILLE Location: 035.4495469° N 081.6494325°W Date: 2/21/2011 Caption: Secondary Road Paving/Pipe Replacement, SR 1520 (Dobbs Scale: 1 inch equals 1333 feet Road), UT to Hinton Crk, Class C Waters, Broad River Basin ? .°? r0 B i x??L$OypA,rli g4egI '1?j§-ter M Y•' { y 4y ! ? ?? _ bl ,y{{yyx 4 '?°? •. ?5 I`N 4 CS[ o- am..,t? ? rr?-trutr - e ? ? • y„ ?h#?? ?Ti•SV-iay 4 k ? ti A ? an l: _ N " a 9 o a - _ o v s - 3 a 4 3 o o -- -_------------ -- e y SSTF n R?3;Q o Ad M- 11129 imr"D a ZOE ??a m i? sR m 77 m 0 9 3 8' r y ??R.'n? n 6 ? $ u O 6°?? Og ?oS m w y? Z ? Z QnQ?g3m' ?°-, uy 93E i5N n CC II Go Ue 3s omm E:?p i 1>? D e :0 00 I>c %Q^,u D m N 2 $ ?j m Fe^3f2 w ?Z :s ??^^ a .. £ R R ?', N jig I???^^! p of ; o a3 SSn3 " °om L S IS °q? 9 ? A e 0 min 3 l rtm1 go ? O p 3 ?+ r" ? n $ n ? F? o { 3 ? 3 N ? (0 3 3 0 W v { _ S C N V O { O ? n- D C, -10 7 O O y 0 i (V .-. S n r? { ono x- to 3 3 -f N O O W 3 y d O S ? 3 O? 2 N n m f W p n ° . yv T o S ? rv v o L v n 3 o 0 2 ? n a n o? o^ O o M _ c ^a 3 F Z.. PC O C1 (1 N O v mm ? ? O V N N J 3 O I in I I Ea ` ? o o u i o 1 I I v O O N Q ? nrv O p 1 o a c u a ^ m O N N % rN 41v A ??O v o yo 3 O N N % -O? ON O y P?O e ^n it o m O ON P dip ? N IA W > y 4 q 0 o ? y°o I I I ?r O r T? rt n 0 0, o =x yx ^o i ? m? n c u fig. `n in -x J Po n - ?n 9J 3 n B n a u J, 9 o OB ? O 0 I I I Proposed v OL v Drainage 6 Ditch )posed Existing ainage ?. '?•? Drainage Ich d ? Ditch \ Existingvv Drainage Ditch. Ox' \• Proposed 81"x59"x50' CMAP with Headwall on the Inlet End. Inlet Headwall to be constructed 2' above the tap of the pipe. Unnamed Tributary to Hinton Creek J Class II Rip Rap or Shot rock to be placed @ all four corners 'not to be more than 5' from the end of the pipe. Existing 6'x3.5' x 20' Conc. and Rock Culvert to be removed -? o \ lr \ A Proposed Dramoge Q Ditch Existing ? Drainage Ditch 1) Pumping system to be used to divert the stream around the construction site as needed. 2) Any contaminated water witin the construction site is to be pumped into a silt bag. 3) Silt fence is to be placed around stock pile and project as it allows 4) Upon completion of the project all silt fences are to be placed as needed. Also seeding and mulching of disturbed areas. TBM Spike set in 14" Birch Tree Rcvised NCDOT HAZARDOUS SPILL BASIN CHECKLIST Division: 1? County: Clevelnnd Project ID: 12C.023102 River Basin: Broad Bridge No: NA Route: SR 1520 Stream: Ut to Hinton Creek Water Quality Criteria: Yes No Stream Crossing Blue Line On USGS r r ORW F ro- WS1 F fl-I WS 11,111 OR IV, Crossing Within 0.5n-ti of W.S. Critical Area F P, Roadway Criteri a: Route Designation- Arterial Urban Arterial Rural Additional Site Information: Is a Hazardous Spill Basin Required? Yes No r rv- r- W Yes No F Wo Criteria Based Upon NCDOT "Best Management Practices for the Protection of Surface Waters" (March, 1997). EROSION AND SEDIMENTATION CONTROL PLAN CLEVELAND COUNTY, NC DATE February 21, 2011 DIVISION OF HIGHWAYS DEPARTMENT OF TRANSPORTATION STATE OF NORTH CAROLINA W.O. # 12C.023102 PURPOSE The purpose of this Erosion and Sedimentation Control Program of the Division of Highways is to control accelerated erosion and sedimentation resulting from the construction and maintenance of roads and highways in North Carolina. This program is developed pursuant to the requirements contained in the Rules and Regulations for Erosion and Sedimentation Control which were adopted by the North Carolina Sedimentation Control Commission on April 10, 1974. PROJECT DESCRIPTION Dobs Rd (SR 1520(. The NCDOT will be grading, widening, and paving Dobs Rd. No problem areas are anticipated. The work will be completed during the 2010/2011 construction season. CONSTRUCTION SEQUENCE I. Grading to be started by state forces. Install all necessary silt fences, sediment basins, and check dams and begin clearing construction area. 2. Rough grade the construction area and begin installing any storm drainage and/or cross lines. Install inlet and outlet protection as storm drainage is being installed. 3. As an area is brought to finish grade and the black base is placed for the road, and the shoulder finished, then seed, mulch and tack should be provided for denuded areas. 4. Leave all erosion control devices in place until vegetation has been established sufficiently to withstand erosion. DO NOT remove any erosion control devices until directed by the County Engineer. MAINTENANCE PLAN I. All erosion and sediment control practices will be checked for stability and operation following every runoff producing rainfall but in no case less than once every week. Any repairs will be made immediately to maintain all practices as designed. 2. Sediment will be removed from behind the sediment fence when it becomes about 0.5 feet deep at the fence. The sediment fence will be repaired as necessary to maintain a barrier. 3. All seeded areas will be fertilized, reseeded as necessary and mulched according to the instruction in the seeded specifications to maintain a vigorous, dense vegetative cover. 4. Outlet protection will be installed when outlets are installed. Filter fabric will be placed under the entire stone section and will be repaired and replaced if damaged during any phase of construction. 5. Sediment will be removed from the basin when it reaches 1.0 foot below the emergency spillway. The filter stone is to be cleaned or replaced when basin no longer drains properly. GROUND COVER FOR SLOPES FILLS AND OTHER GRADED AREAS The angles for graded slopes and fills shall be no greater than the angle which can be retained by vegetative cover or other adequate erosion control devices or structures. Seeding should be done in accordance with the specifications for that season of the year. Additional erosion control measures may be required depending on the actual field conditions. 4.2 • Pipe/Culvert Installation 4.2 PIPEICULVERT INSTALLATION This section describes the steps to take when an existing pipe or culvert is being constructed or replaced on a jurisdictional stream. 1. Prior to installing Erosion Control, identify permit conditions and impact area limits. Contact the Division Environmental Officer (DEO) for information on permit drawings or jurisdictional areas. Erosion Control 2. Install temporary silt fence or silt ditch to treat runoff from the work area or isolate the work area from the jurisdictional areas, such as wetlands or riparian buffers (See Section 5.1). 3. Install Temporary Rock Silt Check Type'A" or Temporary Sediment Dam Type -B- in ditch lines to contain sediment prior to discharge into the watercourse (See Section 5.1). • Do not install Temporary Rock Silt Check Type 4A 'or Temporary Sediment Dam Type "B" in stream channel North CarUna Department Of Transportation aMPa for GonsaorJion aW Mavee Aotirilies Aapret 2(X)3 Pape 2h I 0 1 Figure 10. Pipe Repar/Replatemenl a a s i a i i 4.2 - PlpeiCulvert Installation Managing the Water Course 4. On larger streams, flow diversion may be used to isolate the work area using bypass pumping, piped diversion or fabric- lined channel (See Section 5.2). On smaller streams, or at low flow conditions, an Impervious dike may be used to temporarily dewater the work area within the stream channel (See Section 5.3). • All temporary in-stream structures must be Installed with geotesfile fabric beneath them, and removed In their entirely Immediately upon completion of In-stream work • In CAMA-AECs, the" of How diversion is Identified In the permit 5. Temporary stream crossings may be utilized in order to provide equipment access, if underlain by geoteztlle fabric, so that the riprap may be entirely removed (See Section 5.5). • Confirm that the temporary stream crossing is shown in the permit drawings as an approved temporary Impact. • In CAMA-AECs, the type of temporary stream crossing Is identified in the permit. N Caatr,• De t swM d rran,P"I 0r.1P• hx Camlruaian •n0 M?Acp„4e, Au" MU P" 11 4.2 - PiparCulvert Installation Managing the Work Area 6. Dewatering devices are typically needed to keep the work area dry (see Section 5.4). The permit conditions and the amount of available space and length of pipe replacement or project limits will determine the type of dewatering device to be used. Every effort should be made to minimize the extent of the area to be dewatered and the length of time the site is dewatered. • In CAMA-AECs, the type of dewaterfng device Is Identified in the CAMA permit. 7. Install the piWculvert per the NCDOT standards and specifications, and any specified permit conditions. Note that pipes and culverts shall be buried a minimum depth below the existing streambed, as defined below, in order to allow for aquatic organism passage during low flow conditions. Variance may be obtained by the DEO to allow for deviations in pipe burial depths due to bedrock, steep gradients in the stream channel, existing headcutting, potential for drainage of upstream wetlands, or other concerns. N Cw DeW aM of Trwnpdta m BMPe for Corntr,c0on w Ma.wman® AclMi e A." 2001 Pa Ze I 1 1 1 1 i • Foundation material shall be confined to the pipWcuivert area and shall not be placed In the existing stream channel outside of fhe permitted Impact area. 4.2 - PlpalCulvert Installation 4 • Excavation of the stream channel shall not exceed 10 feet on eltlrer end of the new pipe or culvert unless the abeam is being relocated per Section 4.9, or If Indicated In the permit • Within river basins subject to the Riparian Buffer Rules, Protects may be exempt If work In the stream channel is limited to a total of 40 feet of additional impac4 including pipe extension. • In CAMA AECS (within the twenty coastal counties), all pipes and culverts must be buried one foot below the existing average sbeambed elevation. • In other parts of the state, pipealcutverts must be burled as follows: o Culverts I6-inches In d/ameter or greater shall be burled one foot below lips streembed elevation. Average streambed elevation shag be measured from multiple measurements taken outside of the area of scour or road crossing disturbance, outside of the ROW limits, If necessary. o Culverts less than 48-inches shall be buried a depth equal to 20% of the pipe/culvert diameter, such as the following examples. The hydraulic conveyance of the culvert however should not be compromised. Examples: • 36"- T" • 30'.6. 24" - 3" 16"=4" ¦ 8. Stream pattern, dimension and profile shall be maintained by pipelculvert installation. A 4-foot diameter plpdculvert Installed in a 24oot wide stream may require baffles in order to a maintain aquatic organism passage (AOP) during low flow conditions. • Pipe size should at least match stream width wherever possible, but a 2-foot wide culvert Installed in a 4-foot wide stream may also need baffles to reduce velocities. a • Two 48 inch pipes installed in a 10-foot wide Nam Crdm Depa? of TrwspoNel MPS br Canmrztion a laanhrurxa AcMtlae A." 2003 Pap ¦ 4.2 - PIpdCulvert Installation stream would require that are pipe be installed at a lower elevation, and In alignment with Me low flow stream channel elevation, so that AOP is maintained during low flow conditions. • The low flow pipe should be aligned with the deepsst part of the stream channel, so dot flow Is maintained during taw flow conditions. • No "five" or hash concrete shall corm into contact with Jurisdictllonal waters until the concrete has cured. • Riprap shall consist of clean rock or masonry material free of debris or pollutants (such as asphalt). • Outlet protection should be countersunk at least one foot below Me average stream bed elevation. • Placement of rprap within jurisdictional wafers must be Me minimum necessary to protect or ensure shoulder slope and streambank stability. North Cardin. Department of Transportation eMps or Canaauclon a Mantenanca Admeaa August 2003 Page )n 1 1 1 1 1 1 i 1 1 1 1 1 1 1 1 1 1 1 r 1 1 1 1 9. Install the riprap shoulder slope and outlet protection on upstream and downstream channels where indicated on the permit drawings (See Section 5.6). Do not exceed approved limits in the permit. Contact the DEO if the permit or permit drawings are not dear. 4.2 - PlpNCulvert Installation 10. Remove temporary flow diversion or dewatering devices and accumulated sediment before allowing stream flow to resume a through the new pipe or culvert. . The Impervious oVke shall be completely removed to pre-poject conditions. a . Can should be taken to not disturb or destabilize the undisturbed stresmbed during removal of temporary devices. 11. Stream realignment can occur within approved permit impact limits. Minimize sharp or acute angles in stream alignment wherever possible. Stream channel pattern, dimension and profile should be maintained similar to the upstream and downstream stream reach. 12. Bioergineering techniques may be used to stabilize a streambanks where feasible. 13. Begin backfill operations. Intermediate erosion and sedimentation control BMPs shall be installed prior to the badfiil operation to provide containment between the work area and the watercourse. 14. If the pipalculven is part of a larger roadway project, enough backfill should be placed to allow for the removal of the temporary stream crossing. If no temporary stream crossing is required then enough backfill should be placed to prevent a washout during a minor storm event. 0 Ground Stabilization 15. Upon completion of backfill operations, prepare slopes and . other disturbed areas and stabilize (See Section 5.6). . 16. Maintain erosion and sedimentation control measures until ground vegetation is well established. Site Cleanup 17. 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