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Home My WebLink About20141246 Ver 1_Application_20141203I ,�t, � � STATE OF NORTH CAROLINA DEPARI'MENT OF TRANSPORTAT'ION Pnr MCCttokv GOVBRNOR December 3, 2014 Ms. Lori Beckwith US Army Corps of Engineers 151 Patton Avenue, Room 208 Asheville, NC 28801-5006 Subject: Nationwide Permit #14 Bridge 84 SR 1349 Pigeon Roost Road State Project No. 17BP.13.R.111 Mitchell County, NC Dear Ms. Beckwith: I have enclosed a set of plans, a PCN application for NWP #14, and relative to the proposed bridge replacement project on SR 1349 Pigeon Mitchell County, NC. ANTHONY J. TATA SECRETARY a vicinity map Roost Road in We propose to replace the existing 19 feet long x 19 feet wide bridge on Right Fork Pigeonroost Creek with a 35 feet long x 24 feet wide single-span bridge on existing alignxnent. The stream is approximately 12 feet wide, averages 8 inches deep, and has a substrate consisting of sand, cobble, boulder, and bedrock. The creek is classified as Class C. Approximately 881inear feet (LF) of the creek will be temporarily impacted by dewatering. Forty-eight LF of the creek will be impacted by slope/outlet protection. The floodplain will be restored underneath the bridge. An existing 48-inch conugated metal pipe on an unnamed tributary (UT) will be replaced with a 60-inch corrugated aluminum pipe 8 feet longer than the current one. The UT is approximately 8 feet wide, 5 inches deep, and its substrate consists of sand, cobble, and boulder. Approximately 70 LF of the UT will be temporazily impacted by dewatering during pipe replacemenUextension. Ten LF of the UT will be impacted for pipe outlet protection and 8 LF will be impacted by pipe extension/replacement. Existing channel morphology will be maintained upstream and downstream of the bridge. Riparian vegetation will be reestablished along disturbed azeas associated with the project. Stormwater will be diverted through grass-lined ditches or vegetated buffers whenever possible prior to entering streams. Division Thirteen Office Post Office Box 3279 Asheville, NC 2SS02 Phone:828/251-6171 Office ofthe Division Engineer Fax:828/251-6709 www.ncdot.gov/doh/operations/d ivisionl3 Ms. Lori Beckwith Page —2 Bridge 84, Mitchell County December 3. 2014 No effect on federally listed species (threatened or endangered) or their habitats will occur. As a part of the 401 Certification process, the project was processed through the DOT Programmatic Agreement for Minor Project as required by Section 106 of the National Historic Preservation Act of 1966 and GS 121-12(a). No Historic Resources will be affected. By copy of this letter, we request Mazla Chambers, North Carolina Wildlife Resources Commission Western Region Coordinator, to comment directly to the Corps concerning the permit request. By copy of this letter, we are asking the Area Roadside Field Operations Engineer, to comment on the above project. Right Fork Pigeonroost Creek is classified as Class C. The project will not require a trout buffer variance. By copy of this letter, I am forwazding one copy of the application package to Sonia Carillo, NC Division of Water Quality, Transportation Permitting Unit and an additional copy to Kevin Barnett, NC DWQ Asheville Regional Office for review and comment. Please charge the application fee of $240.00 to WBS e►ement # 17BP.13.R.111. Please forwazd comments directly to the Corps with copy to Division 13 Environmental Officer. Your earliest consideration for this request would be greatly appreciated. If you have any questions or information needs, please contact me at (828) 251-6171. Sincerely, � p Q.�-- Roger D. Bryan Division 13 Environmental Officer Enclosures cc: J.J. Swain, Jr., P.E. Ben DeWit, CPESC Marla Chambers Sonia Carillo Kevin Barnett Corps Submittal Cover Sheet Please provide the following info: 1. Project Name: Bridge 84, SR 1349 2. Name of Property Owner/Applicant: NC DOT 3. Name of Consultant/Agent: *Agent authorization needs to be attached. 4. Related/Previous Action ID number(s): 5. Site Address: N/A 6. Subdivision Name: 7. City: Pi�eonroost 8. County: Mitchell 9. Lat: 36.08294 Long: -82.27634 (Decimal Degrees Please ) 10. Quadrangle Name: Huntdale 11. Waterway: RiQht Fork Pi¢eonroost Creek 12. Watershed: French Broad 13. Requested Action: X Nationwide Permit # 14 General Permit # Jurisdictional Determination Request Pre-Application Request The following information will be completed by Corps office: AID: Prepare File Folder Assign number in ORM Begin Date Authorization: Section 10 Section 404 Project Description/ Nature of Activity/ Project Purpose: Site/Waters Name: Keywords: o��F W �TF9OG y �y > y o < Office Use Only: Corps aclion ID no. DWQ project no. Form Version 1.3 Dec 10 2008 Pre-Construction Notification (PCN) Form A. Applicant Information 1. Processing 1 a. Type(s) of approval sought from the X Section 404 Permit ❑ Section 10 Permit Corps: 1 b. Specify Nationwide Permit (NWP) number: 14 or General Permit (GP) number: 1c. Has the NWP or GP number been verified by the Corps? X Yes ❑ No 1d. Type(s) of approval sought from the DWQ (check all that apply): X 401 Water Quality Certification — Regular ❑ Non-404 Jurisdictional General Permit ❑ 401 Water Quality Certification — Express ❑ Riparian Buffer Authorization 1 e. Is this notification solely for the record For the record only for DWQ 401 For the record only for Corps Permit: because written approval is not required? Certification: ❑ Yes X No ❑ Yes X No 1f. Is payment into a mitigation bank or in-lieu fee program proposed for mitigation � yes X No of impacts? If so, attach the acceptance letter from mitigation bank or in-lieu fee program. 1 g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h ❑ Yes X No below. 1 h. is the project located within a NC DCM Area of Environmental Concern (AEC)? ❑ Yes X No 2. Project Information 2a. Name of project: Bridge 84, SR 1349 2b. County: Mitchell 2c. Nearest municipality / town: Pigeonroost 2d. Subdivision name: N/A 2e. NCDOT only, T.I.P. or state ��gp.13.R.111 project no: 3. Owner Information 3a. Name(s) on Recorded Deed: North Carolina Department of Transportation 3b. Deed Book and Page No. N/A 3c. Responsible Party (for LLC if N/A applicable): 3d. Streetaddress: N/A 3e. City, state, zip: N/A 3f. Telephone no.: N/A 3g. Fax no.: N/A 3h. Email address: N/A Page 1 of 10 nnni c...... �i�-..:.... n o n,.......,.�,.,.+n nnno �i_...:.... 4. Applicant Information (if different from owner) 4a. Applicant is: North Carolina Department of Transportation 4b. Name: J.J. Swain, Jr., P.E., Division Engineer 4c. Business name N.C. Department of Transportation 4d. Street address: 55 Orange Street, P.O. Box 3279 4e. City, state, zip: Asheville, NC 28802 4f. Telephone no.: 828-251-6171 4g. Fax no.: 828-251-6394 4h. Email address: rdbrvan ncdot.qov 5. AgenUConsultant Information (if applicable) 5a. Name: N/A 5b. Business name N/A 5c. Street address: N/A 5d. City, state, zip: N/A 5e. Telephone no.: N/A 5f. Fax no.: N/A 5g. Email address: N/A n,.,.., n „a , n B. Project Information and Prior Project History 7. Property Identification 1 a. Property identification no. (tax PIN or parcel ID): N/A 1b. Site coordinates (in decimal degrees): Latitude: 36.08294° N Longitude: - 82.24634° W 1 c. Property size: 0.6 acre 2. Surtace Waters 2a. Name of nearest body of water (stream, river, etc.) to Right Fork Pigeonroost Creek proposed project: 2b. Water Quality Classification of nearest receiving water: C 2c. River basin: French 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 bridge on SR 1349 surrounded by low density residential areas and forestland. 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: Unnamed Tributary--75 LF; Right Fork Pigeonroost Creek--75 LF 3d. Explain the purpose of the proposed project: Replace the existing small, substandard bridge and extend/replace existing corrugated metai pipe. 3e. Describe the overall project in detail, including the type of equipment to be used: Approximately 70 linear feet (LF) of the unnamed tributary (UT) will be temporarily impacted for dewatering during pipe replacemenUextension. Ten LF of the UT will be impacted for pipe outlet protection and 8 LF will be impacted by pipe extension/replacement. The UT will be piped or pumped through or around the construction site. The existing 19' x 19' bridge on Right Fork Pigeonroost Creek will be replaced by a 35' long x 24' wide single-span bridge. Approximately 88 LF of the creek will be temporarily impacted by dewatering. Forty-eight LF of the creek will be impacted by slope/outlet protection. Equipment used may include pumps, hand tools, trackhoe, backhoe, trucks, drill rig, and ram hoe. 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 X No ❑ Unknown Comments: 4b. if the Corps made the jurisdictional determination, what type of determination was made? ❑ Preliminary ❑ Final 4c. If yes, who delineated the jurisdictional areas? Agency/Consultant Company: Name (if known): N/A Other: N/A 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 � yes X No ❑ Unknown this project (including all prior phases) in the past? 5b. If yes, explain in detail according to "help file" instructions. Page 3 of 10 lll�l.l C.�r.« \/.....:.... A�J I'1......mM... A/1 �l/�l�O \/.....:.... 6. Future Project Plans 6a. Is this a phased 6b. If yes, explain. ❑ Yes X No Proposed Impacts Inventory 1. Impacts Summary 1a. Which sections were completed below for your project (check all that apply): ❑ Wetlands X 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. 2d. 2e. 2f. Wetland impact Type of jurisdiction number — Type of impact Type of wetland Forested (Corps - 404, 10 Area of impact Permanent (P) or (if known) DWQ — non-404, other) (acres) Tem ora T W� � P� T ❑ Yes ❑ Corps ❑ No ❑ DWQ WZ � P 0 T ❑ Yes ❑ Corps ❑ No ❑ DWQ W3 ❑ P❑ T ❑ Yes ❑ Corps ❑ No ❑ DWQ W4 ❑ 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. 3 a. 3b. 3c. 3 d. 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) (�N�? other) (feet) feet) S1 ❑ P X T Dike/Dewatering Unnamed tributary � NT X DWQ 8 �� S1 X P❑ T Outlet protection Unnamed tributary X PER X Corps g 10 ❑ INT X DWQ S1 X P❑ T Pipe extension Unnamed tributary � NT X DWQ 8 $ S2 ❑ P X T Impervious Right Fork X PER X Corps 12 88 Dike/Dewatering Pigeonroost Creek ❑ INT X DWQ S2 X P❑ T Slope protection Right Fork X PER X Corps 12 3� Pigeonroost Creek ❑ INT X DWQ S2 X P❑ T Outlet protection Right Fork X PER X Corps 12 11 Pigeonroost Creek ❑ INT X DWQ 3h. Total stream and tributary impacts � 58 temp 66 perm 3i. Comments: 70 LF of temp impacts and 18 LF of perm impacts occur in same location and overlap at UT; 88 LF of temp n,...., e ..� n n impacts and 48 LF of perm impacts occur in same location and overlap at Right Fork Pigeonroost Creek 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 individuall list all o en water im acts below. 4a. 4b. 4c. 4d. 4e. Open water Name of waterbody impact number — (if applicable) Type of impact Waterbody type Area of impact (acres) Permanent (P) or Tem ora T 01 ❑P❑T 02 ❑P�T 4f. Total open water impacts 4g. Comments: 5. Pond or Lake Construction If ond or lake construction ro osed, then com lete the chart below. 5a. 5b. 5c. 5d. 5e. Wetland Impacts (acres) Stream Impacts (feet) Upland Pond ID Proposed use or purpose (acres) number of pond Flooded Filled Excavated Flooded Filled Excavated Flooded P1 P2 Sf. Total 5g. Comments: 5h. Is a dam high hazard permit required? ❑ Yes ❑ No If yes, permit ID no: 5i. Expected pond surface area (acres): 5. 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 im acts re uire miti ation, then ou 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) Tem ora T im act re uired? 61 ❑P�T ❑Yes ❑ No B2 ❑P❑T ❑Yes ❑ No 83 ❑P❑T ❑Yes ❑ No 6h. Total buffer impacts 6i. Comments: n....,, c ..s ,n D. Impact Justification and Mitigation 1. Avoidance and Minimization 1 a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project. Bridge replaced by longer one giving more clearance for stream passage. Minimum pip length used to obtain needed typical section, alignment, and shoulder width for safety. 1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques. N/A 2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State 2a. Does the project require Compensatory Mitigation for ❑ Yes ❑ No impacts to Waters of the U.S. or Waters of the State? 2b. If yes, mitigation is required by (check all that apply): ❑ DWQ ❑ Corps ❑ Mitigation bank 2c. If yes, which mitigation option will be used for this project? ❑ 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 4b. 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 6 of 10 Il/'HJ L....« \/.....I.... A O �1.......«M... A!1 �111110 \/.....:.... 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 ❑ Yes X No buffer mitigation? 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. 6c. 6d. 6e. Zone Reason for impact Total impact Multiplier Required mitigation (square feet) (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: n.,,... � ..s nn 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 � yes X No within one of the NC Riparian Buffer Protection Rules? 1 b. If yes, then is a diffuse Flow plan included? If no, explain why. ❑ Yes ❑ No Comments: 2. Stormwater Mana ement Plan 2a. What is the overall percent imperviousness of this project? N/A 2b. Does this project require a Stormwater Management Plan? X 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: The project will use BMP's to the Maximum Extent Practicable (MEP) in compliance with NCDOT's NPDES Permit No. 000250 Post Construction Stormwater Program ❑ Certified Local Government 2e. Who will be responsible for the review of the Stormwater Management Plan? X DWQ Stormwater Program ❑ DWQ 401 Unit 3. Certified Local Government Stormwater Review 3a. In which local governmenYs jurisdiction is this project? N/A ❑ Phase II 3b. Which of the following locally-implemented stormwater management programs ❑ NSW apply (check all that apply): ❑ USMP ❑ Water Supply Watershed X Other: N/A 3c. Has the approved Stormwater Management Plan with proof of approval been N/A attached? 4. DWQ Stormwater Pro rem Review ❑ Coastal counties ❑ HQW 4a. Which of the following state-implemented stormwater management programs apply � ORW (check all that apply): ❑ Session Law 2006-246 X Other: N/A 4b. Has the approved Stormwater Management Plan with proof of approval been attached? N!A 5. DWQ 401 Unit Stormwater Review 5a. Does the Stormwater Management Plan meet the appropriate requirements? N�q 5b. Have all of the 401 Unit submittal requirements been met? N/A Page 8 of 10 nnni r........ v.,....:.... n o n...._....w... +n nnno v...,.:,... F. Supplementary Information 1. Environmental Documentation (DWQ Requirement) 1 a. Does the project involve an expenditure of public (federai/state/local) funds or the � Yes ❑ No use of public (federal/state) 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)? 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 26 .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 qua�ity? 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. N/A Page 9 of 10 fIl�\I C...... \/.....:.�.. � O I'1...�..«.M... �l� �1(11�0 \/.....:.... 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? ❑ Raleigh 5c. If yes, indicate the USFWS Field Office you have contacted. ❑ Asheville 5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat? Reviewed USFWS county list (http://www.fws.gov/raleigh/species/cntylisUmitchell.html); fie�d survey of the project area; eva�uation of current distribution data, and comparison of habitat requirements versus habitat present at the site. 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? Current Maps/Database 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? Current Maps/Database website: http://gis.ncdcr.gov/hpoweb/ 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? NCDOT Stormwater Environmental Sensitivity Map website: http://ncdotesm.ursokr.com/default.html Roger D. Bryan � �� 12/3/14 ApplicanUAgenYs Printed Name pplicanUAgei ' Signature Date (AgenPs signature is valid only if an authorization letter from lhe applicant is rovided.) Il...... A /� ..L A /� APPROVED JURISDICTIONAL DETERMINATION FORM U.S. Army Corps of Engineers "Phis form should be completcd by following the instructions provided in Section N of the JD Porm Instmctional Guidebook. SECTIONI:BACKGROUNDINFORMATION A. REPORT COMPLETION DATE FOR APPROVED JURISD[CTIONAL DETERMINATION (JD): B. DISTRICT OFFICE, FILE NAME, AND NUMBER: C. PROJECT LOCATION AND BACKGROUND INFORMATION: State: NC County/parish/borough: Mitchell City: Pigeonroost Center coordinates of site (IaUlong in degree decimal format): Lat. 36.08294° N, Long. -82.27634° W. Universal Transverse Mercator: Name of ncares[ waterbody: Right Pork Pigconroost Creek Name of nearest Traditional Navigable Water (TN W) in[o which the aquatic resource flows: Right Fork Pigeonroost Creek--Pigeonroos[ Creek--North Toe River--Nolichucky River-French 13road River Name of watershed or Hydrologic Unit Code (HUC): 06010108 � Check if map/diagram of review area anNor potential jurisdictional areas is/are available upon request. ❑ Check if other sites (e.g, offsi[c mi[igation sites, disposal sites, etc...) are associated with this action and are recorded on a differcnt ID fonn. D. REVIEW PERFORMED FOR SITE EVALUATION (CHECK ALL THAT APPLY): ❑ Office (Desk) Determi�alion. Date: � Field Determination. Date(s): ll/20/20i4 SECTION IL• SUMMARY OF FINDINGS A. RHA SECTION 10 DETERMINATION OF NRISDICTION. There Are no "navigable wnters ofthe US" within Rivers and Harbors Ac[ (RHA)jurisdiction (as defined by 33 CFR part 329) in the review area. [RequiredJ ❑ Waters subject to the ebb and flow of [hc tide. ❑ Waters are presently used, or have been used in the pas[, or may be susceptible for use to transport interstate or foreign commerce. Explain: B. CWA SECTION 404 DETERMINATION OF JORISDICTION. There Are "waters ofthe U.S." within Clean Water Act (C WA) jurisdic[ion (as deftned by 33 CFR part 328) in the review area. [Regi�iredJ l. Waters of the U.S. a. Indicate presence of waters of U.S. in review area (check all that apply): ' ❑ TNWs, includingterritorial seas ❑ Wetlands adjacent [0 7'NWs � Relatively permanent waters2 (RPWs) that �ow directly or indirectly into TN Ws ❑ Non-RPWs that flow directly or indirectty into TNWs ❑ Wetlands directly abutting RPWs that flow directly or indirectly into 7`N Ws ❑ Wetlands adjacent to but not directty abutting RPWs that flow directly or indirectly inro TNWs ❑ Wetlands adjacent to non-RPWs that flow directly or indirectly into 1'NWs ❑ Impoundments ofjurisdictional waters ❑ Isolated (interstate or intrastate) waters, including isolated wetlands b. Identify (es[imate) size of waters of the U.S. in the review area: Non-wetland waters: 75; 75 linear fect: 12; 8 width (ft) and/or acres. Wetlands: acres. c. Limits (boundaries) ofjurisdic[ion based on: Established by OHWM. Elevation of established OHWM (if known): . 2. Non-regulated waterslwetlands (check if applicable) 3 ❑ Potentiallyjurisdictional waters and/or wetlands were assessed within the review area and detertnined to be notjurisdictional. Explain: ' I3oxes checked below shall 6e supported by completing the appropriate sections in Sec[ion III below. ' For numoses nf this Form. an RPW is defined as a trihutarv tha[ is not a TTIW and tha[ lvnicalW Oows vear-rnund or hac continunus flow at lea¢t "seaconalid' SECTION IIL• CWA ANALYSIS A. TNWs AND WETLANDS ADJACENT TO TNWs The agencies will assertjurisdiction over TNWs and wetlends adjacent to TNWs. If the aquatic resource is a TNW, complete Section III.A.1 and Section III.D.1. only; if the aquatic resource is a wetland adjacent to n TNW, complete Sections III.A.I and 2 xnd Section IILD.I.; otherwise, see Section llI.B below. 1. TNW Identify TN W: Summarize retionale supporting determina[ion: 2. Wetland adjacent to TNW Summazizc rationale supporting wndusion tha[ wetland is "adjacenC': B. CHARACTERISTICS OF TRBUTARY (THAT IS NOT A TNW) AND ITS ADJACENT WETLANDS pF ANY): This section summarizes information regarding characteristics of the tributary and its adjacent wetlands, if any, and it helps determine whether or not the standards tor jurisdiction established under Rapanos have been met. The agencies will assert jurisdiction over non-navigable tribut�ries of TNWs where the tributeries are "relatively permanent waters" (RPWs), i.e. tributaries that typically ilow yenr-round or have continuous flow at least seasonally (e.g., typically 3 months). A wetland that directly abuts an RPW is also jurisdictional. If the aquatic resource is not a TNW, but has year-round (perennial) flow, skip to Section III.D.2. If the aquatic resource is a wetland directly abutting a tributary with perennial Oow, skip to Section III.D.4. A wetland that is adjacent to but that does not directly abut an RPW requires a significant nexus evaluation. Corps districts and EPA regions will include in the record any available information that documents the existence of a significant nexus between a relatively permanent tributary that is not perennial (end i[s adjncent wetlanAs if any) end a traditional navigable water, even though a significant nezus finding is not required as a matter of law. If the waterbody° is not an RPW, or a wetland directly abutting an RPW, a JD will require additional data to determine if the waterbody has a significant nexus with a TNW. ►f the tributary has adjacent wetlands, the significant nexus evaluation must consider the tributary in combination with all of its adjacent wetl�nds. This significant nexus evaluntion that combines, for an�lytical purposes, the tributary and all of its adjacent wetinnds is used whether the review area identified in the JD request is the tributary, or its adjacent wetlands, or both. If the JD covers a tributary with adjacent wetlands, complete Section III.B.1 for the tributary, Section III.B.2 for any onsite wetlands, and Section III.B.3 for all wetlands adjacent to that tributary, both onsite and ofTsite. The determination whether a significant nexus exists is determined in Section III.0 below. l. Characteristics of non-TNWs that tlow directly or indirectly into TNW (i) General Area Conditions: Watershed size: Pick List Drainage area: Pick List Average annual rainfall: inches Avcragc annual snowfall: inches (ii) Physical Characteristics: (a) Relationshiowith"CNW: ❑ Tribu[ary Flows directly into 7'N W. ❑ Tributary tlows through Pick List tributaries before entering TN W. Project waters are Pick List river miles from 7'N W. Project waters are Pick List river miles from RPW. Project waters are Pick List aerial (straight) miles from TNW. Project waters are Pick List aerial (straight) miles from RPW. Projecl waters cross or serve as state boundaries. Explain: Identify flow routc to'I'NWs: Tributary s[ream ordcr, if known: ' Note that the Inshuctional Guidebook contains additio�al information regarding swales, ditches, washes, and erosional features generally and in fhe arid W est. ' Flow route can be described by idenli(ying, e.g., tribu�ary a, which flows �hrough the review area, to flow in[o tribotary b, which Ihen flows into TNW. (b) General Tributarv Characteristics (check all that aoolvl: Tributary is: ❑ Natural ❑ Attificial (man-made). Explain: ❑ Manipulated (man•altered). Explain: Tributary propenies with respect to top of bank (estimate): Average width: feet Average depth: fee[ Average side slopes: Pick List. Primary tributary substrate composition (check all that apply): ❑ Silts ❑ Sands ❑ Concrete ❑ Cobbles ❑ Gravel ❑ Muck ❑ Bedrock ❑ Vege[ation. "Lype/%cover: ❑ Other. Explain: . Tributary condi[ion/stability [e.g., highly eroding, sloughing banks]. Explain: Presence of run/riRle/pool complexes. Explain: . Tributary geomctry: Pick List Tributary gradient (approximate average slope): % (c) Flow: Tributary provides for: Pick List Estimate average number of flow events in review area/year: Pick List Describe flow regime: . Other information on duration and volumc: . Sarface Flow is: Pick List Characteristics: Subsurfacc Flow: Pick List. Gxplain findings: ❑ Dye (or other) test performed: . Tributary has (check all that apply): ❑ 13ed and banks ❑ OHWMb (check all indicators that apply): ❑ clear, natural line impressed on lhe bank ❑ changes in the character of soil ❑ shelving ❑ vegelation matted down, bent, or absent ❑ leaf litter disturbed or washed away ❑ sediment deposition ❑ wa[er staining ❑ other (list): ❑ Discontinuous OHWM.' Explain: ■ ■ ■ ■ ■ the presence of litter and debris destmclion of [eRestrial vegetation the presence of wrack line sediment sorting scour mul[iple observed or predicted flow events abrupt change in plant community If factors other than the OHWM were used to detennine lateral extent of CWAjurisdiction (check all that appty): ❑ High Tide Line indicated by: ❑ Mean High Water Mark indicated by: ❑ oil or scum linc along shore objects ❑ survey [o available damm; ❑ fine shell or debris deposits (foreshore) ❑ physical markings; ❑ physical markings/characteristics ❑ vegetation lines/changes in vegetation types. ❑ tidal gauges ❑ other(list): (iii) Chemical Characteristics: Characterizc tributary (e.g, water color is clear, discolored, oily film; water quality; general watershed characteristics, ete.). Explain: . Identify specific pollutants, if known: . �A naWral or man-made discon[inuity in Ihe OHWM does not necessarily sevcrjurisdiction (e.g., where the s[rea�n temporarily tlows underground, or where [he OHWM has been removed by developmeiil or ngricultural prac[ices). Where [here is a break in the OHWM tha[ is unrela[ed [o �he water6ody's flow regime (e.g., tlow over a rock ou[crop or throu� a wlvert), the agencies will look for indica[ors of flow above and below the break. 'Ibid. (iv) 6iological Characteristics. Channel supports (check all that apply): ❑ Riparian corridoc Chazac[eristics (type, averagc wid[h): . ❑ Wetland fringe. Characteristics: . ❑ Habitatfor: ❑ Federally Listed species. Explain findings: . ❑ Fish/spavm areas. Explain findings: . ❑ Other environmentally-sensitive species. Explain findings: ❑ Aquatic/wildlife diversity. Explain findings: . 2. Characteristics of wetlands adjacent to non-TNW that flow directly or indirectly into TNW (i) Physical Characteristics: (a) General Wetland Characteristics: Properties: Wetland size: acres Wetland type. Cxplain: . We[land quality. Gxplain: . Projec[ wetlands cross or serve as state boundaries. Explain: (b) General P'low Relationshio with Non-TNW: Flow is: Pick Lisk F,xplain: . Surface flow is: Pick List Characteris[ics: Subsurface Flow: Pick List. Explain findings: ❑ Dye (or other) test performed: . (c) WetlandAdjacencyDeterminationwithNon-TNW: ❑ Directly abul[ing ❑ Not directty abutting ❑ Discrete wetland hydrologic connection. Explain: ❑ Hcological connection. Explain: . ❑ Separated by berm/barrier. Explain: . (d) Proximity (Relationship) to TNW Project wetlands are Pick List river miles from TTJ W. Projec[ wa[ers arc Pick List aerial (straight) miles from TN W. �Iow is from: Pick List. F.stimate approximate location of wetland as within [he Pick List floodplain. (ii) Chemical Charncteristics: Characterize wetland system (e.g., water color is clear, brown, oil film on surface; water quality; general watershed characteristics; etc.). Explain: . Identify specific pollutants, if known: . (iii) Biological Characteristics. Wetland supports (check all that apply): ❑ Riparian buffec Charaeteristics (lype, average width): . ❑ Vegetation type/percent covec Explain: . ❑ Habitat for: ❑ Federally Listcd species. Explain 5ndings: . ❑ P'ish/spawn areas. Explain findings: . ❑ Other environmentally-sensi[ive species. Explain findings: ❑ Aquatic/wildlife diversity. Explain findings: . 3. Characteristics of all wetlnnds adjacent to [he tributary (if any) All wetland(s) being considered in [he wmulative analysis: Pick List Approximately ( ) acres in total are being considered in the cumulative analysis. For each wetland, spccify the following: Directiv abuts? (Y/Nl Size (in acresl Uirectly abuts? (Y/Nl Size (in acres) Summarize overall biological, chemical and physical functions bcing performed: . C. SIGNIFICANT NEXUS DETERMINATION A significant nexus analysis will assess [he ilow characteristics and functions of the tributary itself and the functions performed by any wetlands adjacent to the tributary to determine if they significantly affect the chemical, physical, and biological integrity of a TNW. For each of the following situations, a significant nezus exists if the tributary, in combination with all of its adjncent wetlxnds, has more th�n n speculetive or insubstan[ial effect on the chemical, physical and/or biological integrity of a TNW. Considerations when evaluating signi�cant nexus include, but are not limited to the volume, duration, and frequency of the Flow otwater in the tributary and its proximity to a TNW, and the functions performed by the tributary and all its adjacent wetlands. It is not appropriate to determine significant nexus based solely on any specific threshold of distence (e.g. between a tributary and its adjacent wetland or between a tributary and the TNW). Similarly, the fact an adjacent wetland lies within or outside of a iloodplain is not solely determinative of significant nexus. Draw wnnections between the features documented and the effects on the TNW, as identified in the Rnpmros Guidance and diswssed in the Instructional Guidebook. Factors to consider include, for example: • Does the lributary, in combination wi[h its adjacent wetlands (if any), have the capacity to carry pollutants or flood waters to 7TJ Ws, or [o reduce the amount of pollu[ants or flood waters reaching a TNW? • Does the tributary, in combination wi[h its adjacent wetlands (if any), provide habita[ and lifecycle support functions for fish and o[her species, such as feeding, nesting, spawning, or rearing young for species that are present in the TN W? • Does the tributary, in combination with its adjacent wetlands (if any), have the capacity to transfer nutrients and organic carbon [hat support downstream foodwebs? • Does the tributary, in combination with its adjacent wetlands (if any), have other relationships to the physical, chemical, or biological integrity ofthe 1'NW? Note: the above list of considerations is not inclusive and other functions observed or known to occur should be documented below: l. Significant nexus findings for non-RPW that has no edjacent wetlands and flows directly or indireetly into TNWs. Explain findings of presence or absence of significant nexus below, based on the tributary itself, then go to Section llLD: . 2. Significant nexus findings for non-RPW and its adjacent wetlands, where the non-RPW Flows directly or indirectly into TNWs. Explain findings of presence or absence of significant nexus below, based on the tributary in combination with all of its adjacent wetlands, then go lo Section If1.D: . 3. Significant nexus findings for wetlands adjacent to an RPW but that do not directly abut the RPW. Explain findings of presence or absence of significant nexus below, based on the tributary in combinalion with all of its adjacent wetlands, [hen go to Sec[ion III.D: . D. DETERMINATIONS OF JURISDICTIONAL FINDINGS. THE SUBJECT WATERS/WETLANDS ARE (CHECK ALL THAT APPLY): 1. TNWs and Adjacent Wetlnnds. Check aIl that apply and provide size estimates in review area: ❑ TN Ws: lincar feet width (ft), Or, acres. ❑ We[lands adjacent ro TNWs: acres. 2. RPWs that flow directly or indirec[ly into TNWs. � Tributazies of 7N Ws where tributaries typically Flow year-round are jurisdiclional. Provide data and rationale indicating that Iributary is perenniah Stream is shown as blue line on topo and has pronounced bed/bank features. ❑ Tribu[aries of TN W where tributaries have continuous flow "seasonally" (e.g, typically three months each year) are jurisdictional. Data supporting ihis conclusion is provided at Section If1.B. Provide rationale indicating [hat tributary Flows seasonally: . Providc estimates forjurisdictional wa[ers in the review area (check all that apply): � 7'ributary watcrs: 75; 75 linear feet 12; 8 width (ft). ❑ Other non-welland waters: acres. Idcntify type(s) of watcrs: . 3. Non-RPWse tha[ Oow directly or indirectly into TNWs. ❑ Waterbody that is no[ a TN W or an RPW, but flows directly or indirectly into a T"N W, and i[ has a significant nexus wi[h a TN W is jurisdiclional. Data supporting [his conclusion is provided at Section IILC. Provide estimates forjurisdictional wa[ers within the review area (check all tha[ apply): ❑ Tribu[ary waters: lincar fee[ width (li). ❑ Other non-wetland waters: acres. Identify type(s) of waters: . 4. Wetlandsdirectly abutting an RPW that Flow directly or indirectly into TNWs. ❑ Wellands directly abu[ RPW and lhus arejurisdic[ional as adjacent wetlands. ❑ Wetlands directly abutting an RPW where tributaries Typically flow year-round. Provide data and rationale indicating that tributary is perennial in Section III.D.2, above. Provide rationale indicating that wetla�id is direclly abut[ing an RPW: . ❑ Wetlands directly abut[ing an RPW where tributarics typically flow "seasonally.° Provide data indica[ing that tribu[ary is seasonal in Section III.B and rationale in Section III.D2, above. Provide rationale indicating that wetland is directly abutting an RPW: . Provide acreage estimates forjurisdictional wetlands in the review area: acres. 5. Wetlands adjacent to but not directly abutting an RPW thnt flow directly or indirectly into TNWs. ❑ Wetlands that do no[ direclly abut an RPW, bu[ when considered in combination with the tributary to which they are adjacent and with similady siwated adjacent weUands, have a signi£cant nexus with a 7'N W are jurisidictional. Data supporting this wnclusion is provided at Section llLC. Provide acreage estimates forjurisdictional wetlands in the review area: acres. 6. Wetlands adjacent to non-RPWs that ilow directly or indirectly into TNWs. ❑ Wetlands adjacent to such waters, and have when considered in combination with the tributary to which thcy are adjacent anA with similarly situated adjacen[ wetlands, have a significant nexus with a TNW arejurisdictional. Data supporting this conclosion is provided at Section [ll.C. Provide estimates forjurisdictional wetlands in the review area: acres. 7. Impoundments of jurisdictional waters.9 As a general rule, the impoundment of ajurisdictional tributary rcmains jurisdictional. ❑ Demonstrate that impoundment was created from "waters of Ihe U.S.," or ❑ Demonstrate that water meets the criteria for one ofthe categories presented above (1-6), or ❑ Demonstrate lhat water is isolated with a nexus to commerce (see E below). E. ISOLATED �INTERSTATE OR INTRA-STATEj WATERS, INCLUDING ISOLATED WETLANDS, THE USE, DEGRADATION OR DESTRUCTION OF WHICH COULD AFFECT INTERSTATE COMMERCE, INCLUDING ANY SUCH WATERS (CHECK ALL THAT APPLY):10 ❑ which are or could be used by interstate or foreign travclers for recreational or other purposes. ❑ from which 5sh or shellfish are or could be taken and sold in interstate or foreign commerce. ❑ which are or could be used for industrial purposes by industries in interstate commerce. ❑ Interstate isola[ed wa[ers. Explain: . ❑ Other factors. Explain: . Identify water body and summarize rntionale supporting determination: eSee Foomote # 3. ' To complete the analysis refer to the key in Section IILD.6 of [he Instructional Guidebook. 10 Prior to asserting or declining C�VA jurisdicfion based solely on ihis category, Corps Uistricts will elevate Poe action to Corps and EPA HQ for review consisfent with Ihe process described in the Corps/EPA MereornnAuui RegarAing CWA Act JtoisdiMion Followii�g Rnpaxos. Provide estimates for jurisdictional waters in the rcview area (check all that apply): ❑ Tribu[ary waters: lincar feet wid[h (ft). ❑ Other non-wetland waters: acres. Iden[ify type(s) oP wa[ers: . ❑ WeUands: acres. NON-JURISDICTIONAL WATERS, INCLUDINC WETLANDS (CHECK ALL THAT APPL7�: ❑ If potential wetlands were assessed within the review area, thesc arcas did not meet the criteria in the 1987 Corps of Engineers Wetland Delincation Manual and/or appropriate Regional Supplements. ❑ Review area included isolated wa[ers with no substantial nexus to interstate (or foreign) commerce. ❑ Prior to the Jan 2001 Supreme Court decision in "SWANCC," thc review area would have been regulated based solelv on the "Migratory Bird Rule" (MI3R). ❑ Waters do not meet the "Significant Nexus" slandard, where such a finding is required forjurisdiction. Explain: . ❑ Other. (explain, if not covered above): . Provide acreage estimates for nonyurisdictional waters in thc rcview area, where the sole potential basis ofjurisdiction is the M6R factors (i.e., presence of migratory birds, presence of endangered species, use of water for irrigated agriculture), using best professional judgment (check all that apply): ❑ Non-wetland waters (i.e., rivers, streams): linear feet width (ft). ❑ Lakes/ponds: acres. ❑ Other nomwetland walers: acres. List type of aquatic resource: . ❑ Wetlands: acres. Provide acreage estimates for nonyurisdictional waters in [he review area [hat do no[ meet the "Significant Nexus° standard, where such a finding is required forjurisdiction (check all that apply): ❑ Nomwetland waters (i.e., rivers, streams): linear fect, widlh (it). ❑ Lakes/ponds: acres. ❑ Other non-wetland wa[crs: acres. Lis[ type of aquatic resource: . ❑ Wetlands: acres. SECTION IV: DATA SOORCES. A. SUPPORTING DATA. Data reviewed for JD (check all that apply - checked items shall be included in case file and, where chccked and reques[ed, appropriately referencc sources below): � Maps, plans, plots or plat submitted by or on behalf of the applicanUconsul[ant: . ❑ Data sheets prepared/submilted by or on behalf of the applicanUconsultant. ❑ Office concurs wi[h data sheets/delinealion report. ❑ Office does nol concur with dala shects/delinealion report. ❑ Uata sheets prepared by the Corps: . ❑ Corps navigable waters' study: . ❑ U.S. Geological Survey Hydrologic Atlas: . ❑ USGS NHD data. ❑ USGS 8 and 12 digit HUC maps. � U.S. Gcological Survey map(s). Cile scale & quad name: L2400Q Hun[dale [opo. ❑ USDA Na[urai Resources Conservation Service Soil Survey. Citation: . ❑ National wetlands inventory map(s). Cite na�ne: . ❑ Statc/Local welland inventory map(s): . ❑ FEMA/FIRM maps: . ❑ 100-year Floodplain Elevation is: (National Geodectic Vertical Datum of 1929) � Photographs: � Aerial (Name & Date): . or � Other (Name & Date): Stream photos dated 11/20/2014 in PCN. ❑ Yrevious determination(s). File no. and date of response letter: . ❑ Applicable/supporting case law: . ❑ Applicable/supporting scientific literature: . ❑ Olher information (please specify): . B. ADDITIONAL COMMENTS TO SUPPORT JD: Figure 1 U71 upst�eam Figure 2 UT 1 downstream i r,r .. .. :' ., ^.. 5 ::` r . •.� . `. �"j)i� "`t. � _, 1 J d_ Figure 3 Right Fork Pigeonroost Creek upstream Figure 4 Right Fork Pigeonroost Creek downstream � nxtr�wo � . 1329 �93�. /:��,'� �r s.,� ;�3,� ; g ��"� \.._ � . .� � ; d� / - ' '�1352 1 133� 35 J /.♦ 1I J � ' J�a�.. 1358133 10 ,Nq�ry141N � 1 � � � //�1321 d'�� '•r II atl�Z, ., _,. / � [� .-,=! 1 �88 � ` � � �� ia C30�` � �; � � � < 16Fi n�w�, /� � � .,y� I � 1321� . 1349 � � ,�9 ' � /� FGTiWkOUNTAN 1' }) � ' ��}P Yr1lDLI,FENM�AGEMENT C. � SO f A y? . �/ � � �' j� ��. , i ' ,� ,.� - £34 ,;� P�scnH 15a �;. 15! ^^ + �9 � I � .ti.: �r � .;. iazz P180 I � t'` � � ��sd � r � � � ! � — ,- ._r : — � 83 S 14A� — �' `` ;; _ `""" ia�g 80 � 16fi n� w y �.. l �'nn � � ZU�l ��.� '� �.�.8% . � 73�8''�p ill � ,' 'o' , 1350 `' '��49 8� -. .�0 P166-�': 18ze a� I t' ��/ � 78 �3ia�5�r iaz U° . �� ` 706 s` 77201�' "'� ` � :� 2i�� 2m6 � � <x. 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BEGIN CONSTRU -L- STA. 9 + 50.72 \\ � � � � F{S�C \ �S\ �ftrt^C N�W � STREAM IMPACTS UNNAMED STREAM Length Type Descripfion 10 ft Rip Rap Class II Rip Rap to line stream Outlet Protection banks at proposed 60" CAP outlet Permanent 8 ft Proposed Pipe Additionallength of proposed 60" CAP at inlet Temporary 70 ft 9 Dewatering For installation of new 60" CAP and outlet protection w0005 REMOVE ROCK HEADWALL CLASS II RIP RAP � F �'• �\ F<`r \� \� � � � \ �� \� \ �� \- � � � � �. t � � WOODS e•\ \ K SF-600084 e.�h+ Rock —L— STA. 10 + 00.00 NOTES: 1. RIGHT FORK PIGEONROOST CREEK IS IN THE FRENCH BROAD RIVER BASIN. 2. CIEARING SHALL BE PERFORMED PER NCDOT METHOD II PLUS 5' BEYOND TOE OF FILL SLOPES. 3. DO NOT INSTALL DECK DRAINS. GRAPHIC SCALE 15 7.5 0 15 30 ` `� BURY INVERTS 1' \ t� ELOW STREAM A `� � � A £ ��. TEMPORARY IMPERVIOUS DIKE CLASS B RIP RAP !S 'e� \...\�� _��s HW \��._ -E �� __., -�. __�_ '\040� � � � \� _ F �AILEY G� ` �� 1TER TB 2GI CMP ��— � �s�� F ---- t^, :y � w000s .� ..osr\ TEMPORAR\�S �\\ IMPERVIOUS DIKE `\ I N PIPE OUTLET DATA I \ PIPE No 0401 0403 DRAINAGE AREA 420 oc <0.1 ac Q70 180 cfs 0.2 cfs V10 9.2 Ws <02 (Vs STREAM IMPACTS RIGHT FORK PIGEONROOST CREEK Length Type Description Class II Rip Rap to line stream 37 ff Rip Rap banks at bridge approach in vicinity Slope ProtectiorS of -L- Sta. 12+80 Permanenf Class II Rip Rap at ditch outlet in 11 ft Rip Rap northwest quadrant in vicinity Outlet Protection of -L- Sta. 12+20 For modification and/or removal of Temporary 88 ft ImpgYVlOUS Dikes existing abutments and rip rap installation on stream banks U.S. FOREST SERVICE C'I ASf II RIP Rqp w000s WOODS ' �� aS -L- STA. 14 + 50.00 // �/ VROIEp RFFERfNCE NO. TGS ENG/NEERS 9/5 VANOOFA SPR/NGS RO GAFNER.NC 21529 PH (9/9J J�3-BBB) JAMES AND DONNA POSTON WOODS RE84R EpSt`�� a/ \ � � � �_ __—� — � ��i — —_ , ,� �i i� // F �� i �� / F — —F .— ° F�— � � ��/ '�// -- F —_ _---- �� ' BM�I � F — .___.".. � � _ _ i ' ' - ' - - - ' � " ' SR 1349 PIGEgN�R�ST R0. ---i � �!^ i� �� F �� _ ,� .ri.f�i —L— U.S. FOREST SERVICE CLASS 11 RIP RAP w000s ' MARCUS & NAOMI Hl1GHE5 �� — PERMIT DRAWING FOR BRIDGE #600084 MITCHELL COUNTY STREAM IMPACTS PERMIT DRAWING SHEET 1 OF 3 EXISTING BRIDGE DIMENSIONS - 19'X19' (SINGLE-SPAN�, 70 DEG. SKEW PROPOSED BRIDGE DIMENSIONS - 35'X24' (SINGLE-SPAN�, 60 DEG. SKEW TOTAL PROJECT LENGTH - 450' VALLEY GUTTER � -L- STA.11+71 TO 11+84 LT —L— STA. 9 + 50.72 �� v d` \� � \ \ <� � � . � � �`'2e �� \� .. � :: � \\\ �� Sy� . � � Ivo003� GIAI ��.bb%F11C!".T CC�� ) � S V� O S � ! , �� ; . � �� - , sz\ , \\\\��\ \\�\ �, �A �� . � � �� VA�� ' \ ;��\\ NOTES: \\ � 1. RIGHT FORK PIGEONROOST CREEK �� IS IN THE FRENCH BROAD RIVER BASIN. 2. CLEARING SHALL BE PERFORMED PER NCDOT METHOD II PLUS 5' BEYOND TOE OF FILL SLOPES. 3. D O N O T I N S T A L L D E C K D R A I N S. GRAPHIC SCALE 1�5-�-7�.-5�-�0� 1�5 30 �� I� Permanent STREAM IMPACTS UNNAMED STREAM LengTh Type Description Rip Rap Class 11 Rip Rap to line stream 10 ft Outlet Protection banks at proposed 60" CAP outlet 8 ft Proposed Pipe Additional length of proposed 60" CAP at inlet Tem ora 70 ft Dewaterin For installation of new 60" CAP and PrY � B ,.,..�„«...,.«,,,.,,,... � \ `� : �n� @ ` t � F Toao� �� __ >. � � - � .�,.-- � � � STREAM IMPACTS RIGHT FORK PIGEONROOST CREEK Lengfh Type Description Class II Rip Rap to line stream 37 fr Rip Rap banks at bridge approach in vicinity Slope Protection of -L- Sta. 12+80 Permanen} PRO1ECi REFERENCF NO. OBP.l3.R.11l ! SF -6000841 TGS ENGMEERS [Icw[[A 9/5 VANDORA SPR/NGS RO � GARNER.NC 2J529 �� PH !9/9l J>3-888J Class II Rip Rap at ditch outlet in 11 ft Rip Rap northwest quadrant in vicinity Outlet Protection of -L- Sta. 12+20 For modification and/or removal of Temporary 88 ft Impervious Dikes existing abutments and rip rap installation on stream banks JAMES AND DONNA U.S. FOREST SERVICE ` �., � . 5g5 j�y�� ; � � � � � � wfl�as /� , � , � �� \ = % =�� , � _ � � - __ ; �� ; � � -�- � 2575�� / � — - � � ---� -'�� - --- - ---- � ----�i; �/ i, �_- �LASS ��RIP :RAP � F� �\�` � � Z55H � \ , �, — '_�— <._ _ � __ `. (��Ki�_ i� F �ALLEY G��ER a zci � ... _ ' \ �SqO � iF F � _ .- - - _ !�'y�� F C� ;� �.` �� \� V�� PIPE OUTLET DATA PIPE No. 0401 0403 DRAINAGE AREA 420 ac <0.1 ac Q10 180 cfs 0.2 cfs V10 9.2 fVs <0.2 tVs \� ,,��;�� \ V�� \�\\ ��.�� \� � `ro \ � \\� \ \\is � � \ ��\ \�� A A�\ � 'POSTON `'S� . A � 2575�_ --.. � $�0� -- ',� woDOs � � � ��' '' � , � � � R�k��/ �JE-Cl� SF�6000$4 — � � . - .. ..—� . ....__... �� ,% �' .__ .� / " ' ----- � �. , � 265`'- , _, 256�� _ / -' �:, .__ / --` _ � �',, � " � y _ ,> -�!,7�� / �550 � � i � . / � - -- - F ; � '�i� . / �oosr�ao. ' � " �qqg PIGEON� +rie�esr �� _ � 6=� ✓ �. i' � g�tt� � ' �� /�F , � — / � �550 _ �"'� `'- ��yy� � i � CLASS II RIP - U:5.60RE9 SERVICE e,,y5��\\ - �J 055Z ' _ :. -9SSZ '�\� - :-7EMPORARY -�- � �� == :� IMPERVIOU5��5z .'_\ . -- ' --- � \ ,...., - � -- � _' �Si� � � / ' ;„ i I=� - HUGHES � � " �/�� , � , �� _ �z � , ;: %0 ��52,%i � "�,�_ �-� ��c2 -, , _ , �'EI�/v1�T52 D RAW I N G �C51� �BRIDGE #600084 MITCHELL COUNTY STREAM IMPACTS PERMIT DRAWING SHEET 2 OF 3 � 2555 2545 535 0 ,,... . . ., . . _ .. . .i ..I_... _. . ,,,. . �. . . . .... ..,. . _ . : . ... .. .. .. .... I . _.. ._ . _ .. . ��. _ . . . _ .. . . ,I . _ .. . . _ Gt. -L- STA. 12+21.00 _ l PROP. 1@ 35' � - � - -_ 1 _ , 27" CORED SLABS W/2,_b„ DEEP CAP .. �--- - - � PROP. GRADE=2543.2P - -- - , _ SKEW=60 — -- -- __ — , - - �_ i EXISTING BRIDGE TO BE REMOVED PROPOSED GR.4DE --� ____. LOW SIDE LOW CHORD �.��q,18`�6� �- — � �+�5.316�� - , )2.5000% 10+00 _ _ �, _ 25 YR. W.S. ELEV:=2543.4' ' �� - - - -- ' 100 YR. W.S. EIEV.=2544.39' � ��'i''' '' / _ — - � EXISTING GRADE —f � �� . . - ,, - --- RESTORED FLOODPLAIN ' y""� � RESTORED FLOODPLAIN FLOW AREA FLOW AREA AT �� .--" AT ABUTMENT 2= 3 SF ABUTMENT 1= 7 SF - `1" ^ _, --� L 316�� t.s� (n�r.) �+)5• 2.a� �rrr.)� 5.0' (TYP.) � �• � ev cnv ''. . ,�'..�.. PROP EXCAVATION TO ELEV. 2538.3' +/- ' PIPE HYDRAULIC DATA STR N0.0401 AT-L- Sto.11+09 DRAINA�E AREA = 420 DESI�N FREOUENCY = 25 DESIGN DISCHARGE = 260 DESIGN HW ELEVATION = 2537.7 l00 YEAR DISCHARGE = 4/0 l00 YEAR HW ELEVArION = 2539.7 OVERTOPPING FREQUENCY= 25+/- OVERTOPPING DISCHARGE = 270 OVERTOPPING ELEVATION = 2538.0 PROP EXCAVATION TO ELEV. 2540.1' +/ �— CLASS II RIP RAP '(TYP.) - �.. APPROX. W.S. ELEV.=2535.8' DATE OF SURVEY (12/42011) . - ' 11+00 12+00 13+00 ��' �� AC YRS' CFS FT CFS FT YRS CFS FT STRUCTURE HYDRAULIC DATA DESI�N DISCHARGE = 900 CFS DESIGN FREQUENCY = 25 YRS DESIGN HW ELEVATION = 2543.4 FT BASE DISCHARGE _ 1300 CFS BASE FREQUENCY = l00 YRS BASE HW ELEVATION = 2544.39 FT OVERTOPPING DISCHARGE _ 1I00 CFS OVERTOPPING FREQUENCY= 50 +/- YRS OVERTOPPING ELEVATION = 2544J4== FT ••OVERTOPPIN� ELEVATION REPRESENTS ELEVATION ca D/S SHOULDER -L- STAl2+5/.8 � :LCV. = C;0.�4.bU ��. 14+00 PERMIT DRAWING FOR BRIDGE #600084 MITCHELL COUNTY 1 1 _ I .. 15+00 PERMIT DRAWING SHEET 3 OF 3