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Home My WebLink About20140718 Ver 1_401 Application_20140714CONFLUENCE ENGINEERING 16 Broad Street Asheville, NC 28801 828.255.5530 July 9, 2014 Ms. Karen Higgins NC Division of Water Resources 401 & Buffer Permitting Unit 1617 Mail Service Center Raleigh, NC 27699 -1617 Subject: NWP Application Savannah Creek Restoration Project Jackson County, North Carolina Dear Ms. Higgins Enclosed please find five copies of a PCN with design plans, an agent authorization letter and supporting data for a proposed creek restoration project on Savannah Creek. A check for the review fee is stapled to this cover letter. If you have any questions, please call me at (828) 255 -5530, extension 19. Sincerely, Confluence Engineering, PC Aw/'� Andrew Bick, PE Principal Enclosures PAID oOF W A 2 0 1 4 0 7 1 6 O T Office Use Only: Corps action ID no. DWQ project no. Form Version 1.3 Dec 10 2008 Page 1 of 11 PCN Form — Version 1.3 December 10, 2008 Version Pre - Construction Notification PCN Form A. Applicant Information 1. Processing 1 a. Type(s) of approval sought from the Corps: FM Section 404 Permit ❑Section 10 Permit 1 b. Specify Nationwide Permit (NWP) number: 27 or General Permit (GP) number: 1c. Has the NWP 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 1 e. Is this notification solely for the record because written approval is not required? For the record only for DWQ 401 Certification: ❑ Yes ® 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 1 g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h below. ❑ Yes ® No 1 h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? ❑ Yes ® No 2. Project Information 2a. Name of project: Savannah Creek Restoration Project 2b. County: Jackson 2c. Nearest municipality / town: Webster 2d. Subdivision name: n/a 2e. NCDOT only, T.I.P. or state project no: 3. Owner Information 3a. Name(s) on Recorded Deed: Tom H. and Conchita E. Kelly "�--- 3b. Deed Book and Page No. 1962/226 3c. Responsible Party (for LLC if applicable): 3d. Street address: 54 Sunny Brook Farm 3e. City, state, zip: Sylva, NC 28779 pa � 3f. Telephone no.: 828- 586 -3228 e r Branch 3g. Fax no.: n/a 3h. Email address: n/a 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 Mr Paul Carlson 4c Business name (if applicable) Land Trust for the Little Tennessee 4d Street address 557 East Main Street 4e City, state, zip Franklin, NC 28744 4f Telephone no 828 - 524 -2711 4g Fax no 828 - 524 -4741 4h Email address pcarlson @ltlt org 5. Agent/Consultarit Information (if applicable) 5a Name Andrew Bick 5b Business name (if applicable) Confluence Engineering, PC 5c Street address 16 Broad Street 5d City, state, zip Asheville, NC 28801 5e Telephone no 828 255 5530 5f Fax no 828 - 505 -8300 5g Email address andrew @confluence -eng com Page 2 of 11 PCN Form — Version 1 3 December 10, 2008 Version B. Project Information and Prior Project History 1. Property Identification la Property identification no (tax PIN or parcel ID) 7630 -75 -3718 Latitude 35 338856 Longitude- - 1 b Site coordinates (in decimal degrees) 83 234303 (DD DDDDDD) ( -DD DDDDDD) 1c Property size 23 0 acres 2. Surface Waters 2a Name of nearest body of water (stream, river, etc ) to Savannah Creek proposed project 2b Water Quality Classification of nearest receiving water C, Tr 2c River basin Little Tennessee 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 Savannah Creek at the downstream end of the project reach drains about 41 square miles of mixed forest, pasture and low density residential land uses The 2200 -LF project reach is suffering from bank erosion and mid- channel sediment deposition Chanel incision is relatively minor at the upstream end and increases somewhat toward the downstream end The primary cause of the channel instability appears to be the removal of woody vegetation from the banks The Kelly farm (left bank) is an active pasture Land uses on the right bank include a saw mill at the upstream end and low density residential over the downstream two - thirds of the reach 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 2200 LF 3d Explain the purpose of the proposed project The purpose of the project is to stabilize the eroding banks and creek bed, thereby protecting adjacent land and reducing the amount of'fne sediment pollution and protectmg,downstream,aquatic habitats 3e Describe the overall project in detail, including the type of equipment to be used- The project will involve sloping banks and creating floodplain benches where appropriate In- stream boulder vanes will be constructed in the creek bed to direct to flows to the center of the channel, help prevent the formation of mid- channel bars, and encourage pool formation for habitat enhancement Graded banks will be seeded with temporary and permanent (native) seed mixes, covered with coir matting and live staked with native woody species Bioengineering measures such as brush mattresses will be installed in high stress bank areas Conventional construction equipment will be used, including a track mounted excavator, dump truck.and assorted hand tools Given the large base flow discharge, a pump- around flow diversion,is not practical Measures,wdl be taken to limit the amount of construction traffic in the stream, but some in- stream equipment access will be necessary to construct,the measures 4. Jurisdictional Determinations 4a Have jurisdictional wetland or stream determinations by the Corps or State been requested or obtained for this property / El Yes El No Unknown project (including all prior phases) in the pasty Comments 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, orrcertifications 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,lnventory 1 Irnpacts'Summary la 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 2d 2e 2f Wetland impact Type of jurisdiction number — Type of impact Type of'wetland Forested (Corps - 404, 1,0 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 ❑ N'o ❑ DWQ W5 ❑ P ❑ T ❑'Yes ❑ Corps ❑ No ❑ DWQ W6 ❑ P FIT ❑ Yes ❑ Corps ❑ No ❑ DWQ 2g. Total wetland impacts 2h Comments '3. Stream Impacts If there are perennial or intermittent streamAmpacts (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 Bank Stabilization Savannah Creek ® PER ❑ INT ® Corps ® DWQ 45 2200 S2 ❑ P ❑ T ❑ PER ❑ Corps ❑ INT ❑ DWQ S3 ❑ P ❑ T ❑ PER ❑ Corps ❑ 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 2200 31 Comments 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 Waterbody type Area of impact (acres) Permanent (P) or Temporary T 01 ❑P ❑T 02 ❑P ❑T 03 ❑P ❑T 04 ❑P ❑T 4L'Total open water,impacts 4g Comments 5. Pond or Lake Construction If pond or lake construction proposed, then complete the chart below 5a 5b 6c 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 5f. Total 5g Comments 5h Is a dam high hazard permit required ❑ Yes ❑ No If yes, permit ID no 51 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 any impacts require mitigation, then you MUST fill out Section D of this form 6a. ❑ Neuse ❑ Tar-Pam lico El Other Project is in which protected basin? El Catawba El 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 131 ❑P ❑T -required ❑Yes ❑ No B2 ❑P ❑T El Yes ❑ No B3 ❑P ❑T El Yes ❑ No 6h Total buffer impacts 61 Comments Page 6 of 11 PCN Form — Version 1 3 December 10, 2008 Version 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 The project represents a, long -term beneft;to the creek and larger Little Tennessee watershed' by stabilizing an eroding banks, enhancing agautic habitats, and reducing fine sediment inputs Construction phase best management practices will'help minimize the short-term, impacts, as described in below lb Specifically describe measures taken to avoid or minimize the proposed impacts'through construction techniques The will begin only after all materials are stockpiled nearby Equipment access across the creek'will be provided by a stone ford to limit disturbance to banks and bed Equipment will operate from the top of bank to the extent feasible, but some in- stream equipment access will be necessary to install the restoration measures The contract documents will require well - maintained and functioning equipment and daily checks for leaks An emergency spill plan will also be required 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 mitigation option will be used for this projects ❑ Mitigation bank El 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 7of11 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 npanan'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? 1 b 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? n/a % 2b Does this project require a Stormwater Management Plan? ❑ Yes ® No 2c If this project DOES NOT require a'Stormwater Management Plan, explain why Project does not constitute development or an increase in impervious area 2d If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan ❑ 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? n/a ❑ Phase II ❑ NSW 3b Which of the following locally - implemented stormwater management programs ❑ 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 ❑ Yes ® No attached? 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 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? lb 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 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 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 10 of 11 PCN Form — Version 1 3 December 10, 2008 Version S. Endangered Species and Designated Critical Habitat (Corps Requirement) '5a. Will this project occur in or near an area with federally protected species or ®Yes El No habitat? 5b. Have you checked with the USFWS concerning Endangered Species Act ® Yes ❑ No impacts? 5c. if yes ;1ndicate the USFWS Field Office you have contacted. ❑ Raleigh ® Asheville 5d. 'What data sources did'you use to determine whether your site would impact.Endangered'Species ^or Designated Critical Habitat?, consultation with.FWS "staff 6. Essential Fish Habitat' (Corps Requirement) 6a. Will this ^project occur in or near an area designated as essential fish habitat? I ❑ Yes ® No 6b: What data sourcesxdid you use to determine,whether your site would'impact Essential Fish Habitat? NOAA Habitat Conservation Mapping Tool 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 toAetermine,whether your site would impact historic,or archeological resources? NRCS Cultural Resources surveyAated 5/9/13 (attached), indicated that the project would have very little potential to affect cultural 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 requirenfe- OW'Flood study,and no -rise certification approved by Jackson Co on 4/14/14 8c. What source(s) did' you use to make the floodplain determination? www ticfldodmaps.com website Paul Carlson °�- Applicant/Agent's Printed Name tlt Date Ap"plie nt/Agent's Signature (Agent's,signatureds v lid only iflan authorization letter from the applicant Is rovided.' Page 11 of 11 PCN Form — Version 1.3 December 10, 2008 Version June 30, 2014 Mr. David Brown US Army Corps of Engineers Asheville Regulatory Field Office 151 Patton Avenue, Room 208 Asheville, NC 28801 Subject: NWP Application Agent Authorization Savannah Creek Restoration Project Jackson County, North Carolina Dear Mr. Brown: I hereby authorize the Land Trust for the Little Tennessee to serve as our agent and apply on our behalf for a Nationwide Permit for the subject project. If you have any questions, please call me at (828) 586 -3228. Sincerelyo , Torn Kelly Savannah Creek Restoration Project Supporting Information CONFLUENCE ENGINEERING '6" 'P--, z VL -4- H A' A T In -MIX N 40.7 sq. miles W E 0 0.5 1 2 Miles S K7 V2' J dt K7 xS 1 riffle o Ground Points ® Bankfull o Water Surface Indicators Points Wbkf = 72.5 Dbkf = 2.81 Abkf = 203.5 0 50 100 150 Horizontal Distance (ft) s2 run o Ground Points • Bankfull • Water Surface Indicators Points Wbkf = 69.9 Dbkf = 2.77 Abkf = 193.9 0 50 100 150 Horizontal Distance (ft) xs3 p®® o Ground Points • Bankfull a Water Surface Indicators Points Wbkf = 40 Dbkf = 3.91 Abkf = 156.6 0 10 20 30 40 50 60 Horizontal Distance (ft) xs4 stable riffle o Ground Points s Bankfull • Water Surface Indicators Points Wbkf = 48.6 Dbkf = 3.75 Abkf = 182.3 0 20 40 60 80 Horizontal Distance (ft) River Name: savannah c °reek Reach Name: Reach 1 Sample Name: zigzag riffle 11 +00 Survey Date: 12/04/2013 Size (mm) TOT # ITEM % cum 0 - 0.062 0 0.00 0.00 0.062 - 0.125 0 0.00 0.00 0.125 - 0.25 0 0.00 0.00 0.25 - 0.50 1 0.99 0.99 0.50 - 1.0 1 0.99 1.98 1.0 - 2.0 0 0.00 1.98 2.0 - 4.0 0 0.00 1.98 4.0 - 5.7 0 0.00 1.98 5.7 - 8.0 0 0.00 1.98 8.0 - 11.3 2 1.98 3.96 11.3 - 16.0 4 3.96 7.92 16.0 - 22.6 6 5.94 13.86 22.6 - 32.0 13 12.87 26.73 32 - 45 7 6.93 33.66 45 - 64 30 29.70 63.37 '64 - 90 21 20.79 84.16 90 - 12'8 12 11.88 96.04 128 - 18,0 4 3.96 100.00 180 - 25'6 0 0.00 100.00 256 - 362 0 0.00 100.00 362 - 512 0 0.00 100.00 512 - 1024 0 0.00 100.00 1024 - 2048 0 0.00 100.00 Bedrock 0 0.00 100.00 D16 (mm) 24.16 D,35 (''mm) 45.86 D50 (mm) 55.45 D84 (mm) 89.8 D95 (mm) 124.67 D100 (mm) 180 Silt /Clay (%) 0 Sand M 1.98 Gravel (%) 61.39 cobble M 36.63 Boul de.r M 0 Bedrock ( %) 0 Total Particles = 101. River Name: savannah creek Reach Name: Reach 1 Sample Name: mid channel bar 6 +70 Survey Date: 12/04/2013 SIEVE (mm) NET WT 106 180'5 75 177 53 1463 31.5 1049 16 2235 8 903 4 717.4 2 510.9 PAN 1676.8 D16 (mm) 3.28 D35 (mm) 19.98 D50 (mm) 35.94 D84 (mm) 107.88 D95 (mm) 109.34 D100 (mm) 110 Silt /Clay (%) 0 Sand ( %) 13.39 Gravel (%) 49.6 Cobble (%) 37 Boulder (%) 0 Bedrock (%) 0 Total Weight = 12519.1000. Largest Surface Particles: Size(mm) wei4ht Particle 1: 110 1805 Particle 2: 70 177 River Name: savannah creek Reach Name: Reach 1 Sample Name: point bar 19 +50 Survey Date: 12/04/2013 SIEVE- (mm) NET WT 75 1130 53 490 31.5 1341 16 2369 ,8 1230 4 626.4 2 483.9 PAN 1735 D16 (mm) 0 D35 (mm) 13.48 D 5 0 (mm) 23.8 D84 (mm) 75.25 D95 (mm) 75.77 D100 (mm) 76 silt /Clay (%) 0 Sand (%) 16.47 Gravel (%) 59.96 Cobble (%) 23.58 Boul de,r (%) 0 Bedrock ( %) 0 Total Weight = 10.535.3000. Largest surface Particles: Size(mm) Weight Particle 1: 76 394 Particle.2: 74 736 Andrews (1984) and Andrews and Nankervis (1995) TO* = 0 0834(d, /d'50) -o 872 Ta* = 0.0384(d, /d'50)-o 887 d, = d5o of riffle pavement (from zigzag), mm d'50 = d50 of sub- pavement (bar sample), mm d = Ta *((Psnnd- Ph2o) /Ph2o) *D,) /s applies if di /d'50 ranges from 3 to 7 if.di /d'50 is 1 3 to 3 0 d = mean bankfull depth of water (ft) needed to move largest particle Pannd = 2 65 g /cc specific gravity of sand Ph20 = 1 00 g /cc specific gravity of water Di = largest particle found in bar or subpavement sample (ft) S = average (bankfull) water surface slope For mid,channel bar sample di 55 mm d'50 36 mm di /d'50 1.53 tci* = 0.03 Di 110 mm = 0.360892 ft s 0.0041 ft /ft d = 3 83 ft dbkf ranges from 2.8' to 3.8' Confluence Engineering, PC 3/21/2014 TYPICAL SECTION DESIGN Regional Curve Estimate Savannah at Kelly Farm Area Calculation Riffle Q = 149/n R2/3 s1/2 A DA (sq mi ) 4070 5688 R (ft) NC Mountains (area) 269 Right Bank Slope, x -1 15 NC Mountains (discharge) 1683 Left Bank Slope, x -1 25 0 877 psf largest particleffrom Shields = Max Depth (ft) 42 NC rural Piedmont (area) 266 Bottom Width (ft) 38 NC rural Piedmont (discharge) 1284 Area (sf) 195 Bankfull Width (ft) 548 USGS 2 year discharge Bankfull Depth (ft) 3 -56 TN Hydro Area 1 1953 W/D ratio 154-1 TN Hydro Area 2 3019 SW Appalachian (area) 436 SW Appalachian (discharge) 2418 Discharge Calculation overall reach Q = 149/n R2/3 s1/2 A WP (ft) 5688 R (ft) 343 design slope 0.0041 Channel n 004 Q (cfs) 1061 yRs = 0 877 psf largest particleffrom Shields = 130 mm 5 1 in digitized bar samples d84 = 75 to 108, mm (Rosgen Data) d100 = 76 to 110 mm < - - - -- boulders for vane have min dimension of 24" Confluence Engineering, PC 3/21/2014 Savannah Creek Restoration Project Representative Photographs Mid - Channel Deposition, Sta 5 +50 Mid - Channel Deposition, Sta 8 +50 Bank Erosion near Sta. 6 +00 Bedrock and Bank Erosion, Sta. 15 +00 Bank Erosion near Sta. 18 +50 Bank Erosion near Sta. 20 +00 Confluence Engineering, PC March 21, 2014 January, 1999 1 nsteuctions,foe Inirn-Service Section 1 Form - Region 4 REGION .4, INTRA- SERVICE SECTION 7 BIOLOGICAL. EVALUATION FORM Originating Person: _ ,Anita Goetz. Asheville Field Office Telephone Number: 828 -258 -3939 eita228 E- Mail: �anita mietwfivs:gov Date:,,3 /28%2014 PROJECT NAME,(Grant Title/Nuinber):•Savannah Creek (ICe11yFarin) Stream $testoration Proi&t- ,-Cooperative Ageeeinent Number F10AC00401 OW). I. Service,Program: _X_ Ecological Services _ Federal Aid _ Clean Vessel Act Coastal Wetlands _ Endangered Species Section 6 _ Partners ,for Fish and Wildlife _ Spor't'Fish Restoration _ Wildlife Restoration _ Fisheries _ Refuges/Wildlife /II. State /Agency: NOUSMS III. Station Name: Asheville Field Office IV. Description'of Proposed, Action (a(tach additional pages as- needed): 'this project is part'of�ari ongoing watershed -based stream restoration and conservation project in the upp- &-titile Tennessee and Tuckasegee Rivers that ihe;Service and the Land Trust,for -the Uttk Tennessee are,spearheading along with other conservation {partners. The ,Land Trust for the Little Tennessee (LILT) received' funding during FY 2012 to restore and enhance habitat within streams, wetlands, and riparian and floodplain areas.in the Tuckasegee River subbasin, a tributary of the.upper Little Tennessee River, with particular e-mpli sison the,area between Cullowhee, NC and Dillsbor`o; NC, The two major tributary - streams in that area that.have beeri,prioriti2ed for on- the = ground restoration aciivietes,are,S'cott,and Savannah Creeks. The uppermost end of the greater project area is the confluence of Mine Branch and the mains-tern Tuckasegee :River while the lowerextreme of the project area extends to Bryson City. Thi §`pr "oject:area was,selected based on: a) The presence =of federally listed species; January,,1999 Instructions:for Intra- Serviei Section 7 Form - Region 4 faction is likelylo jeopardize;ihe continued existence'ofihe proposed,species wadversely modify an area proposed for designation as,critical habitat. 'Ifthis conclusion is,reached,;a section Tconference =is required. [fTihis conclusion is reached, intra= Service conference is tequir'ed Is likely to ieopardize candidate species. For candidate `species, -the Service is requited to evaluate whethe7t�th& proposed-Service;action` is likely -to jeopardize `the continued ezisterice of the`candidate species. Ifthis conclusion is `reached, intra- Service section 7 conference,is'require-d. signature (ohginating'station) title - date IX, Reviewing Ecological �ervices Office' Evaluation: A: Concurreriee x Nonconeurrence _ 13. Formal consultation required C. Confe"rence,required D. lnfokniil conference required E. 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