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Home My WebLink About20070317 Ver 1_401 Application_20070207February 16, 2007 130ARD Ol+ DIRECTORS Tommie Arnold Alice Atwood Dave Carroll Henry Doss Olen Gallimore Pam Hoi'fman Elden Horton. I'rericlertl Eva Ingle. rr-r~~r,~„r-~~,~ Hemy Jordan .lolm MacConnell. Sc crc larv Jerry McMillan Ollie Perzel, Vice Pr-esidenl Sarah Tugnrtn Bill Warden Amanda Jones US ACE Regulatory Division 15I Patton Avenue, #208 Asheville, NC 28801 Dear Amanda, 20070 3 9 7 P~~~Ir~~NT RECEIVED Enclosed please find the Pre-Construction Notification Application Form for the Thompson Project on Winkers Creek. Liz Hair was here last week and walked the project reach with me. We are excited about this project as it is on a creek that needs restoration in many places and we are already receiving inquiries from landowners about other restoration projects on Winklers Creek We have also contacted Gray Hauser with the NC Division of Land Resources and are applying for a trout waiver. If you have and questions please feel free to contact me at 336-846-4871. Thank you. Sincerely, ..'°" ~. L~n Caldwell Lynn Worth Cc: Daryl Lamb, NC Division of Water Quality S.rA>hh Ron Linville, Wildlife Resources Randy Woodrow, Watauga County Planning and Inspections Lynn Caldwell, Re.ti~torcrtinn Direc~or~ 13en Lucas, - Sleavarrlship C'onrcliruuor George Santucci, l;_rcctrlive Direclnr Courtney Wait. Prnjecl.~' Coor'dinulnr ~U FEB ~ 9 ZOG~) lv~~ ~ sr~R~,;,;t~R B•pYw~~Y~(, POST OFFICE BOX 148 WEST JEFFERSON, NORTH CAROLINA 28694 336-846-4871 FAX ~J6-846-6433 WWW.NCNR.ORG INFO~NCNR.ORG P.~,n:do~p~pe.~~~m~~~~~sam~~;mumofgo%pu,r-oo~:~me~~woa~ 81 ° 41 - _ x0000' W 81 ° 40 -- --- 0000' W 81 ° 39 _ 0000' W ~~ c+~ F Vii: i a, +', fta~ir `~`" r~ r ~~ ~1. - ~` ~-~n're rcy{res t,n~. ^ ~ . , .: , -~ .,.,~ ~. d~''e ~jg` Y r j ~ ~ • ~ ` Z b ` \ \ •• I# M g;ad ~ ~ ,~ 4n. ak l . i +: ~ • :\ ~, + ..% v I~i~ ~~ t `s ~~~ ~ Gas ~ ~ ~ ~, ~ \ ~ ~~: o M (dCILd 1a~4"Teath s 9FDd- ~ 4T i• ~ Y \ ~ ~ " c° ~ ~ i ~~>r `r r4teA" i , I 1, \ E , _ ~\ , \ ~_ : • • .~ ~ • X11^ k , ` _ ~ - ; \ ~ ~\ e ~ ~ ~ ahun ~~,~ - ~ rl A ~ 7 S°-~~ .~ ~ A ,+o+ It: ` -ir i ,: ' C ~ ~~ Sut, - 1~ , ~ ~ - ~ } , \` 1 ~ ~ 1 ~ , / • to ~ I 'l\~ ,. \l \ Iv 1 C ( tYet~ r .T ~y ~ I ~ A~ ~ 1 ' ' , • ~ l / ~ \ ~ of 1 hf ~ t:+' -" y r- ~ :~ , ` ~ ) ~1+' +.+ fr+eaten,, f .,- , ~~.-• al I ~ + i ,~ ~ ) 1 ~ ~ ~~,~ ~ ~r t ~. dat ~+ BAo~ ` ~ ~ ~ ~ ,,tt ~il ~r+.~'~~` ~` _ ; - -~~. ~ ~ . ~-~ ~+ Y-2~, 'i+ altlhY~tmf +~ 8~~ ~ ~ --- ~~ ~,I~` it f ~~ \` ; . , . ~, ~ • ,'~~ ~~~, ( ~\ ` r , ~ ~ ~ \\ ^ . 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'ig ~ ! ~ tlm. r.- J` ~ ~ 1 1v 0 1° 43 0000' 0 1° 42 .0000' W 0 1° 41.'0000' 0 1° 40 0000' W Name: BOONE Location: 036° 10.5061' N 081 °41.4678' W Date: 2/9/2007 Caption: Winkler Creek 2.75 sq mi Project Drainage Area Scale: 1 inch equals 2667 feet Copyright (C) 1998, Maptech, Inc. -- ~,.. Office Use Only: Form Version March OS 20070317 USACE Action ID No. DWQ No. (tt any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".) I. Processing r? ~ Yr~ r, 1~~~~ ~ rT 1. Check all of the approval(s) requested for this project: RECE~VEp ® Section 404 Permit ^ Riparian or Watershed Buffer Rules ^ Section 10 Permit ^ Isolated Wetland Permit from DWQ ® 401 Water Quality Certification ^ Express 401 Water Quality Certification 2. Nationwide, Regional or General Permit Number(s) Requested: Nationwide 13 3. If this notification is solely a courtesy copy because written approval for the 401 Certification is not required, check here: ^ 4. If payment into the North Carolina Ecosystem Enhancement Program (NCEEP) is proposed for mitigation of impacts, attach the acceptance letter from NCEEP, complete section VIII, and check here: ^ 5. If your project is located in any of North Carolina's twenty coastal counties (listed on page 4), and the project is within a North Carolina Division of Coastal Management Area of Environmental Concern (see the top of page 2 for further details), check here: ^ II. Applicant Information D ~ ~ 1.~ u ~~ ~=--~ 1. Owner/Applicant Information FHB ~ ~ `` ~7 Name: David Thompson ~ ~a Serra r - + ,rv Mailing Address: 1169 Winkler Creek Road 9A'ETLAN0.gP~~DSTQRMWATER6RANGN Boone, NC 28607 Telephone Number: 828.264.5100 Fax Number: E-mail Address: 2. Agent/Consultant Information (A signed and dated copy of the Agent Authorization letter must be attached if the Agent has signatory authority for the owner/applicant.) Name: Lynn Caldwell Company Affiliation: National Committee for the New River Mailing Address: PO Box 1480 West Jefferson, NC 28694 Telephone Number: 336.846.4871 Fax Number: 336.846.6433 E-mail Address: lynn@ncnr.or~ Page 5 of 14 III. Project Information Attach a vicinity map clearly showing the location of the property with respect to local landmarks such as towns, rivers, and roads. Also provide a detailed site plan showing property boundaries and development plans in relation to surrounding properties. Both the vicinity map and site plan must include a scale and north arrow. The specific footprints of all buildings, impervious surfaces, or other facilities must be included. If possible, the maps and plans should include the appropriate USGS Topographic Quad Map and NRCS Soil Survey with the property boundaries outlined. Plan drawings, or other maps may be included at the applicant's discretion, so long as the property is clearly defined. For administrative and distribution purposes, the USACE requires information to be submitted on sheets no larger than 11 by 17-inch format; however, DWQ may accept paperwork of any size. DWQ prefers full-size construction drawings rather than a sequential sheet version of the full-size plans. If full-size plans are reduced to a small scale such that the final version is illegible, the applicant will be informed that the project has been placed on hold until decipherable maps are provided. 1. Name of project: Winklers Creek Enhancement Project 2. T.I.P. Project Number or State Project Number (NCDOT Only): 3. Property Identification Number (Tax PIN): 2900-90-5455-000 4. Location County: Watauga Nearest Town: Boone Subdivision name (include phase/lot number): No Name Directions to site (include road numbers/names, landmarks, etc.): Beginning at the Hwv 321/421 intersection in Boone. Go South on Hwv 105 bearing left onto Wilson Drive (at Sagebrush). Turn ri h~~ht onto Winklers Creek extension. Bear right onto Winklers Creek Road. Follow approx. 2.7 miles the Project Site is located on the left at the confluence of Winklers Creek and Flannery Fork (1169 Winklers Creek Road). 5. Site coordinates (For linear projects, such as a road or utility line, attach a sheet that separately lists the coordinates for each crossing of a distinct waterbody.) Decimal Degrees (6 digits minimum): 36deg 11.8771'N °N 81deg 40.1636'W °W 6. Property size (acres): 1.09 acres 7. Name of nearest receiving body of water: Winklers Creek 8. River Basin: New River (Note -this must be one of North Carolina's seventeen designated major river basins. The River Basin map is available at http://h2o.enr.state.nc.us/admin/maps/.) Page 6 of 14 9. Describe the existing conditions on the site and general land use in the vicinity of the project at the time of this application: The 1.09 ac site is currently used as primary residence for Dr. and Mrs. Thompson. 10. Describe the overall project in detail, including the type of equipment to be used: This enhancement project is intended to stabilize the river-right streambank of Winklers Creek. The project is being funded through the National Committee for the New River by a Clean Water Management Trust Fund grant. Riverbanks will be stabilized by removing unstable vegetation, placing large angular rock at the toe of the slope to an elevation above the normal water level, installing a rock vane, backfillin~ behind and above the stone with rocky debris, and topped with soil, coconut matting and native vegetation. Proposed excavation equipment includes: hydraulic thumb trac-hoe, and tandem axle dump truck. 11. Explain the purpose of the proposed work: The purpose of the proposed work is to stabilize the river-right bank of the 1.09 ac Project Site (145 linear feet). A degraded bank, which was significantly damaged by high flow events (i.e. Hurricane Francis, Ivan, etc.). IV. Prior Project History If jurisdictional determinations and/or permits have been requested and/or obtained for .this project (including all prior phases of the same subdivision) in the past, please explain. Include the USACE Action ID Number, DWQ Project Number, application date, and date permits and certifications were issued or withdrawn. Provide photocopies of previously issued permits, certifications or other useful information. Describe previously approved wetland, stream and buffer impacts, along with associated mitigation (where applicable). If this is a NCDOT project, list and describe permits issued for prior segments of the same T.I.P. project, along with construction schedules. N/A V. Future Project Plans Are any future permit requests anticipated for this project? If so, describe the anticipated work, and provide justification for the exclusion of this work from the current application. No future jurisdictional impacts are proposed at this time. VI.. Proposed Impacts to Waters of the United States/Waters of the State It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to wetlands, open water, and stream channels associated with the project. Each impact must be Page 7 of 14 listed separately in the tables below (e.g., culvert installation should be listed separately from riprap dissipater pads). Be sure to indicate if an impact is temporary. All proposed impacts, permanent and temporary, must be listed, and must be labeled and clearly identifiable on an accompanying site plan. All wetlands and waters, and all streams (intermittent and perennial) should be shown on a delineation map, whether or not impacts are proposed to these systems. Wetland and stream evaluation and delineation forms should be included as appropriate. Photographs may be included at the applicant's discretion. If this proposed impact is strictly for wetland or stream mitigation, list and describe the impact in Section VIII below. If additional space is needed for listing or description, please attach a separate sheet. 1. Provide a written description of the proposed impacts: Streambank stabilization/enhancement is needed on approximately 145 linear feet of bank within the project reach. A key in trench will be excavated at the base of the existin slope as necessary. Large (two to three foot diameter) angular rock will be used to stabilize the toe of the bank. A rock vane will be installed in the bend of the creek to deflect near-bank sheer stress. The area behind the boulders will be backfilled with rocky debris material excavated from the floodplain or imported material, and soil will be placed on the top of the reconstructed bank to aid in the establishment of vegetation. Where sufficient space is available a bankfull bench will be constructed in the fill area to increase hydraulic capacity and enhance future bank stability The area will be stabilized with biodegradable coconut matting and will be seeded with grasses upon completion of heavYequipment work. Native herbaceous and shrub species will be planted on top of the bank stabilization work. Once site construction has ceased the banks of the restored channel will be seeded with a native floodplain mix and the high stress areas will be lined with erosion control (EC) matting to ensure bank stability. Furthermore, sod matting will be grubbed on-site and used (when available) to line the near bank regions of the constructed/stabilized channel to provide immediately stability. Live stakes and matting stales will be used to secure the EC fabric/sod-matting in these high stress areas. Broadcast seeding rates will be as specified from the local nursery enerally 15-20 lbs/acre depending on species. Native grass herb and shrub species will be planted throughout the project reach at a rate of 320 stems/acre securing near bank areas and providing future shading to the channel. Existing woody vegetation will be preserved to minimize project impacts. Precautions will be taken to keep heavy equipment out of the stream channel except where absolutely necessary to install bank stabilization/enhancement measures. Work will be conducted in the dry to the extent practicable. 2. Individually list wetland impacts. Types of impacts include, but are not limited to mechanized clearing, grading, fill, excavation, flooding, ditching/drainage, etc. For dams, separately list impacts due to both structure and fln~din¢_ Wetland Impact Type of Wetland Located within Distance to Area of Site Number Type of Impact (e.g., forested, marsh, 100-year Nearest Impact (indicate on map) herbaceous, bog, etc.) Floodplain Stream (acres) ( es/no) (linear feet) Page 8 of 14 Total Wetland Impact (acres) 3. List the total acreage (estimated) of all existing wetlands on the property: 0 acres 4. Individually list all intermittent and perennial stream impacts. Be sure to identify temporary impacts. Stream impacts include, but are not limited to placement of fill or culverts, dam construction, flooding, relocation, stabilization activities (e.g., cement walls, rip-rap, crib walls, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is proposed, plans and profiles showing the linear footprint for both the original and relocated streams must be included. To calculate acreage, multiply length X width, then divide by 43,560. Stream Impact Number (indicate on ma) Stream Name Type of Impact Perennial or Intermittent? Average Stream Width Before Im act Impact Len th g (linear feet) Area of Im act p (acres) Im act #1 Sole p ( im act area p ) Wmklers Creek Stream enhancement/bank stabilization Perennial Bankfull width ~25 ft (wetted with --15 ft) 145 linear ft .03 ac maximum Total Stream Impact (by length and acreage) .03 acres 5. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic Ocean and any other water of the U.S.). Open water impacts include, but are not limited to fell. excavation. dredging. fleeding_ drainage_ hulkheads_ etr._ Open Water Impact Site Number (indicate on ma) Name of Waterbody (if applicable) Type of Impact Type of Waterbody (lake, pond, estuary, sound, bay, ocean, etc.) Area of Impact (acres) Total Open Water Impact (acres) 6. List tl ~e cumulative im act to all Waters of the U.S. resultin from the ro~ect Stream Impact (acres): 0.03 ac Wetland Im act (acres): Page 9 of 14 O en Water Im act (acres): Total Im act to Waters of the U.S. (acres) Total Stream Im act (linear feet): 0.03 ac 7. Isolated Waters Do any isolated waters exist on the property? ^ Yes ®No Describe all impacts to isolated waters, and include the type of water (wetland or stream) and the size of the proposed impact (acres or linear feet). Please note that this section only applies to waters that have specifically been determined to be isolated by the USACE. 8. Pond Creation If construction of a pond is proposed, associated wetland and stream impacts should be included above in the wetland and stream impact sections. Also, the proposed pond should be described here and illustrated on any maps included with this application. Pond to be created in (check all that apply): ^ uplands ^ stream ^ wetlands Describe the method of construction (e.g., dam/embankment, excavation, installation of draw-down valve or spillway, etc.): N/A Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond, local stormwater requirement, etc.): Current land use in the vicinity of the pond: Size of watershed draining to .pond: Expected pond surface area: VII. Impact Justification (Avoidance and Minimization) Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide information related to site constraints such as topography, building ordinances, accessibility, and financial viability of the project. The applicant may attach drawings of alternative, lower-impact site layouts, and explain why these design options were not feasible. Also discuss how impacts were minimized once the desired site plan was developed. If applicable, discuss construction techniques to be followed during construction to reduce impacts. The ro osed work and associated impacts are intended to stabilize the Winklers Creek Project Reach with minimal stream impacts. All heavy equipment will be kept out of the stream channel during streambank stabilization except where absolutely necessary to install bank stabilization measures Disturbance of channel bottom and banks and equipment access areas shall be held to the minimum necessary to allow for bank stabilization sufficient to restore the hydraulic capacitLof the stream channel. Temporary grass cover shall be planted on all bare soil within 5 days of ground disturbing activities. Herbaceous and woody shrub vegetation will also be installed on the riverbank upon completion of bank stabilization/enhancement work VIII. Mitigation Page 10 of 14 DWQ - In accordance with 15A NCAC 2H .0500, mitigation may be required by the NC Division of Water Quality for projects involving greater than or equal to one acre of impacts to freshwater wetlands or greater than or equal to 150 linear feet of total impacts to perennial streams. USACE - In accordance with the Final Notice of Issuance and Modification of Nationwide Permits, published in the Federal Register on January 15, 2002, mitigation will be required when necessary to ensure that adverse effects to the aquatic environment are minimal. Factors including size and type of proposed impact and function and relative value of the impacted aquatic resource will be considered in determining acceptability of appropriate and practicable mitigation as proposed. Examples of mitigation that may be appropriate and practicable include, but are not limited to: reducing the size of the project; establishing and maintaining wetland and/or upland vegetated buffers to protect open waters such as streams; and replacing losses of aquatic resource functions and values by creating, restoring, enhancing, or preserving similar functions and values, preferable in the same watershed. If mitigation is required for this project, a copy of the mitigation plan must be attached in order for USACE or DWQ to consider the application complete for processing. Any application lacking a required mitigation plan or NCEEP concurrence shall be placed on hold as incomplete. An applicant may also choose to review the current guidelines for stream restoration in DWQ's Draft Technical Guide for Stream Work in North Carolina, available at http://h2o.enr.state.nc.us/ncwetlands/strm~ide.html. 1. Provide a brief description of the proposed mitigation plan. The description should provide as much information as possible, including, but not limited to: site location (attach directions and/or map, if offsite), affected stream and river basin, type and amount (acreage/linear feet) of mitigation proposed (restoration, enhancement, creation, or preservation), a plan view, preservation mechanism (e.g., deed restrictions, conservation easement, etc.), and a description of the current site conditions and proposed method of construction. Please attach a separate sheet if more space is needed. N/A 2. Mitigation may also be made by payment into the North Carolina Ecosystem Enhancement Program (NCEEP). Please note it is the applicant's responsibility to contact the NCEEP at (919) 715-0476 to determine availability, and written approval from the NCEEP indicating -that they are will to accept payment for the mitigation must be attached to this form. For additional information regarding the application process for the NCEEP, check the NCEEP website at http://h2o.enr.state.nc.us/wrp/index.htm. If use of the NCEEP is proposed, please check the appropriate box on page five and provide the following information: Amount of stream mitigation requested (linear feet): Amount of buffer mitigation requested (square feet): Amount of Riparian wetland mitigation requested (acres): Page 11 of 14 Amount of Non-riparian wetland mitigation requested (acres): Amount of Coastal wetland mitigation requested (acres): IX. X. Environmental Documentation (required by DWQ) 1. Does the project involve an expenditure of public (federal/state/local) funds or the use of public (federal/state) land? Yes ® No ^ The project is being funded through the National Committee for the New River by a Clean Water Management Trust Fund r~ ant. 2. If yes, does the project require preparation of an environmental document pursuant to the requirements of the National or North Carolina Environmental Policy Act (NEPA/SEPA)? Note: If you are not sure whether a NEPA/SEPA document is required, call the SEPA coordinator at (919) 733-5083 to review current thresholds for environmental documentation. Yes ^ No 3. If yes, has the document review been finalized by the State Clearinghouse? If so, please attach a copy of the NEPA or SEPA final approval letter. Yes ^ No Proposed Impacts on Riparian and Watershed Buffers (required by DWQ) It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to required state and local buffers associated with the project. The applicant must also provide justification for these impacts in Section VII above. All proposed impacts must be listed herein, and must be clearly identifiable on the accompanying site plan. All buffers must be shown on a map, whether or not impacts are proposed to the buffers. Correspondence from the DWQ Regional Office may be included as appropriate. Photographs may also be included at the applicant's discretion. 1. Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233 (Neuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 02B .0243 (Catawba) 15A NCAC 2B .0250 (Randleman Rules and Water Supply Buffer Requirements), or other (please identify )? Yes ^ No 2. If "yes", identify the square feet and acreage of impact to each zone of the riparian buffers. If buffer mitigation is required calculate the required amount of mitigation by applying the buffer multipliers. Zone* I Impact I Multiplier I Required (square feet) Mitigation 1 2 Total ---_--- 3 (2 for Catawba) 1.5 * Zone 1 extends out 30 feet perpendicular additional 20 feet from the edge of Zone 1. the top of the near bank of channel; Zone 2 extends an Page 12 of 14 3. If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e., Donation of Property, Riparian Buffer Restoration /Enhancement, or Payment into the Riparian Buffer Restoration Fund). Please attach all appropriate information as identified within 15A NCAC 2B .0242 or .0244, or .0260. XI. Stormwater (required by DWQ) Describe impervious acreage (existing and proposed) versus total acreage on the site. Discuss Stormwater controls proposed in order to protect surface waters and wetlands downstream from the property. If percent impervious surface exceeds 20%, please provide calculations demonstrating total proposed impervious level. Total acreage on the site exists as 1.09 acres with impervious acreage <1%. At this time no increased impervious area is proposed on the site. XII. Sewage Disposal (required by DWQ) 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. This stream enhancement project requires no sewage disposal. XIII. Violations (required by DWQ) Is this site in violation of DWQ Wetland Rules (15A NCAC 2H .0500) or any Buffer Rules? Yes ^ No Is this an after-the-fact permit application? Yes ^ No XIV. Cumulative Impacts (required by DWQ) Will this project (based on past and reasonably anticipated future impacts) result in additional development, which could impact nearby downstream water quality? Yes ^ No If yes, please submit a qualitative or quantitative cumulative impact analysis in accordance with the most recent North Carolina Division of Water Quality policy posted on our website at http://h2o.enr.state.nc.us/ncwetlands. If no, please provide a short narrative description: No future impacts are proposed to on-site1urisdictional areas at this time. XV. Other Circumstances (Optional): It is the applicant's responsibility to submit the application sufficiently in advance of desired construction dates to allow processing time for these permits. However, an applicant may choose to list constraints associated with construction or sequencing that may impose limits on work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and Threatened Species, accessibility problems, or other issues outside of the applicant's control). Page 13 of 14 _ .~ ,A`~f icant/Agent's Signature Date (Agent's signature is valid only if an authorization letter from the applicant is provided.) Page 14 of 14 2 0 0 70 3 i 7 I, _ ~~; cz.v , r l ~ ~n t ~-nz-~ s ~ ,designate Lynn Caldwell of the National Committee for the New River (NCNB) to act as my duly Authorized Agent concerning all US Army Corps of Engineers and NC DENR permitting regarding the Winkler Creek Enhancement Project on my Watauga County, NC property. Print Name Phone Number I - 1~ 4 ~ i n k l e r s C r to k (~ cC , ,(~ o c3-rt ~ , !V C. 2- s C,z L3 '7 Address ~~~~~ ~ ignature Date POST OFFICE BOX 1480 WEST JEFFERSON, NORTH CAROLINA 28694 336-846-4871 FAX 336-846-6433 WWW.NCNR.ORG INFO~NCNR.ORG P.~~r~do~pope~aomumlggominLnvm fgop~,i-~o~s~mr.roo:re - -Thalweg Winkler Creek Longitudinal Profile -f-Water Surface 100 - I ~ i II 99 i I I ~ I ~ i ~i ~ i t I i II ~ ~ i ' ~ I i I I ~ 98 '~ ~, i ~, i i i I i I ~ i I 97 _ ~ ~- ' ~ ~, ~ ~ ~ 1 I , j II" i li I ~ 'I ' I I ~ 96 ~ I I ~ ~ ~ ~ ~- ~ ~ li ... ~~~ I~ ~ ~,I i ~ 1~ o 95 i I > I I 94 ~ , ~ i j ~ I ~~ ~ i I I ~ I j I I o i I Av Slo e 1.4 /o p 9 9s ' ~ Stream Type: Bc3 I i ~ ~i ~' ~ ~ I~ 92 ~ I I I ~ ! ~ 91 , ' ~ ~i ~ I I ~, ~ 90 I I ~ '' 0 20 40 60 80 100 120 140 160 180 200 Station (ft) Existing Winkler Creek Riffle Cross-section at Station 0+78 110 _ _. r_~ _._.. ~ ! ! I 108 I I ~ I ! ! j ', I~ i Area = 53.1 sq ft j I ~ j I ~ j ~ !, ' !, ~~ Wbkf=26ft I I I 106 j Dbkf = 2.0 ft i ~ ~' ~ I ! ~ Ij ~ ! 104 „ ! , ~ j 102 i I I 100 ' ! , I > i , i I I ~ ! d w ; I ', 98 ~ ! kf ll B ~ an u i ' ! ! ~ I 96 I ~ _ ! 94 I ~' . I~ ! i Water Surface ! I i 92 i j j ; ', ! j 90 ! ~ I ~ -15 -5 5 15 25 35 45 Station (ft) Proposed Winkler Creek Riffle Cross-section at Station 0+78 110 -- I ~i 108 ~' II _ ~ ', ' i Area - 53.1 s ft ' Wbkf=26ft p I '~ ~ ~ ' I ~, i i 106 Dbkf = 2.0 ft ~ I I ~ i ~ ' ~ ' ' Area to be sloped ' 104 I I I I I at 2:1 or greater i ' ~ 102 Face of boulders to ~ ~ c ~ ~ i ~, befront-filled and ~, ~ ~ ~i planted with native c I 1 ~ I ~ ' vegetation ~ 100 I i i j (see Rock Toe Detail) ~I 98 , I I I I i ~ _ ~~ 96 ~ ~ i i _ ~ ~~ ~- I 94 i I ~ ~I i i , ~ ' ' i Water Surface 92 , I 'i it ~ 90 ' ~ -15 -5 5 15 25 35 45 Station (ft) N O O O W N Existing Winkler Creek Pool Cross-section at Sta 1+56 0 :~ m w N O O O Proposed Winkler Creek Pool Cross-section at Sta 1+56 ~_____ 110 ------,--__ ____.___. _._i._.._____ __ ___----i._ _...__.__._v __ _ __.______.~__~__.---_ ^.~.____._.___ __.._._.._. I 108 ~ i ~ I '~ ~ I i I i ~ 106 ' I Bank to be sloped i ~~ at 2:1 or greater ~ 104 I ~ Area = 61.5 sq ft j Wbkf = 25 ft I 1 I ~ Dbkf = 2.5 ft '~ i ; 102 ~ ', .-. ~ ~ I '~ I, i it c ~ I I I 100 ,_ i I ~ ~~,' ' Boulder face to be w ~ J j frontfilled and planted 98 ~ J Y i I! i ~ ~ 96 ~, I I ~. i + ~ ~ i 94 i I i ~ i I 92 ~ ~ ~~ Water Surface ~ ~ 90 -5 5 15 25 35 Station (ft) O Winkler Creek Classification Pebble Count 110 100 90 80 C ~ 70 d LL 60 d 50 R E v 40 30 20 10 0 i ~ ~ ~ I i ~ ! ~ I i ~ ~ ~ j ~ ~~ i I i I I ~ ~ I i i l i '~i ~ ~ ~ ~ I I ~ ~, I i I i I I I I ~ i ~ i i i I i i i I I i i I ~ i i i I ~' i ~ i ~, ~ I I '~ ; j ~ !, ~ I I I i I ~~ I ~ ~ '~ ~ ~ ~ i I~ ~ ~ ~ i ~ i ~I i, 0.01 0.1 1 10 Particle Size (mm) 100 1000 10000 Winkler Creek Enhancement Project Area ~~: ~ Project Access Area ~.. ~eeK :::.:~%':~.~:~.':~:•.~:~:•: Owner: Tim Austin :' ~g~ ~ : ~ ~ ; (see attached Access Agreement) ~ :: ~ ~- :I~! .:::::.:::.::::: ; ~rsek :: y1linkter is _~~, ~ : ~ :::: ~ ~~,.• Project Reach Approx. 145 Linear ft ~. Project Site Owners: David and Carolyn Thompson ~~: ~~'•:~: :::y Wataugs~socfdssnp : ::::: ; : ; : •:::::: :~.E::~ :::.:::::::::~:::~ .' Wa#auga~roads.6Mp :::::;::~~: :~:~:':~:~.~:~: :~:~:~:~:~:~:~:~: :~:~:~:~:~:~:~~~:~~~:~:~: ; :,~ : Watauga~rtrivdsshp :::: ~ ~ . at: ~ r~s~ ::::::::::::: ~ . :~~ . . N 0 0 O W _.. 0.2 0 0.2 0.4 Miles g a � Bach filled wi.-kh ,native 'material topped witfi ., er. &slon control Matting and-'s.0edeQV_ s Rock Vane 'to' _p(aced and- tie ndtie into 2-3 tier ro_ c to 14 r a4 )KSEE TYPICAL ROCK AN -3 TIE, ROCK TOE - 01 ~~~~~~ POOL G~O~ F~O~ BANKFULL WATER SURFACE STREAM BED PROFILE VIEW RUN POOL c~~~F / FF~~ O R~FF~F R~ ~L\OE RUN POOL PLAN VIEW L ~.J 1 MAX DEPTH POOL National Committee for the New River ~* ati.~ ~~ ~• ~- FIGURE PO Box 1480 1f78 IarM 8Y TrWtr. 1M l1M m W~ ~ Z~94 & M.'~ew.x ~ ruxs,r NOT TD SCALE Typical B e O r m ph. 336.846.4871 WRllans Grading D eta i I 3 DRAWN BY Adan DATE. 11/8/2006 ~., .~ _. .~ "eptexti(e Fab C ~-~ \ ; Footer Rocks Plan ~/iew H^LE Rock Sill Profile ~/iew~ Bankfu(l F(ow~_ 2-7% Slope a ter ~ SUrf aCC' InstaUatiorr The lower rock Chead rock) footer will first be placed followed by the head rock to set the initial structure elevation, The subsequent rock (Moving upstreaM) and associated footers will then be set sighting the proposed 20-30degree bank deflection line, Rock placement follows Moving upstreaM at a 2-7% slope until a bankfult elevation is reached at the end of the structure wing. A rock sill will then be constructed perpendicular to the structure angle to prevent the formation of a cutoff channel, A trench shall be dug upstream on the bankside of the wing where non-woven geotextile fabric will be placed with approx. 2' of overlap; the trench will then be backfilled with native Materials and re-vegetated, National Committee for the New River s:as~T awe ~~ • $O- POBOX1480 ~ ~-~~~~TM~ Typical Rock west Jellerson, nc ze69a & P"'"m °"' "tfi11 NOT TO SCALE ph. 336.846.4W I i DRAWN BYE Adnro WIIUn~s Vane Deta i I DATES 11/8/2006 FIGURE 4 `` ~ ..r.ti -°~~+ 2~1 or Greater Cross-section View Rock to be plnced until n height Is renched approx. 2-3' above the low bank elevation A 1 Low Bank Elevation Degraded Vertlcnl Bank A Geotextile Fab Al Water Surface Profile View II = Lower tier of rock butress to be placed below existing thalweg elevation I-III-11 - ___ Illllliillliiillliiil~ iii-iii- - I \ C=1 11-1 I hI 11-I 11-1 I I1 I I1 I I=! !!-! ! !~~ !_!1 I II I ReMOVe any unstable woody debris and preserve well-rooted vegetntion ~N^TES~ w Sloped fill to be seeded with teropornr grass within 1 day of ground disturbing activity and coveredywgth erosion control fabric ~ Rock wall plnced In a rlanor Intended to stabilize toe of vertlcnl bnnk, not to constrict channel hydraulic georletry National Committee for the New River ~_~ ~~ ~~~~ • aa~. vo eox laeo >t>t~r renlt AM T'erq iM anw West xfhrton, NC 28694 & rh. 4tl.Y[/.M7~ ~' ~7A78tl ph. 336.846.4871 DRAWN BYE Adan Wllllarls DATEt 11/8/2006 NOT T^ SCALE Ty p i ca I Roc k Toe Deta i I FIGURE 5 APPROX. BANKFULL WIDTH OF CHANNEL PLANTING WIDTH WILL VARY TO LANDOWNER COMPLIANCE AND PROJECT SPECIFICATIONS. SYMBOL DESCRIPTION SYMBOL DESCRIPTION NATIVE SOD MATTING AND/OR EROSION CONTROL FABRIC NATIVE TREE AND SHRUB SPECIES TO BE PLANTED AT ARE TO BE PLACED ON NEAR BANK, DISTURBED AREAS A DENSITY SUFFICIENT TO PROVIDE 320 TREES/ACRE WHEN AVAILABLE. AT MATURITY (AS SUGGESTED IN NCDWQ GUIDELINES -TO BE SEEDED IMMEDIATELY WITH TEMPORARY RYE GRASS. FOR RIPARIAN BUFFER RESTORATION). -FOLLOWING CONSTRUCTION, AREA TO BE SEEDED WITH -SHRUB SPECIES INCLUDE BUT ARE NOT LIMITED T0: A NATIVE, PERMANENT GRASS/HERB MIXTURE. Cepha/anthUS OCCldentallS, Ilex spp., Ma/US COmaria, -MATTING AND FABRIC ARE TO BE STAKED DOWN WITH SaliX Sen3Cla, Sambucus canadensis, m tc i b V i LARGE STAPLES AND/OR NATIVE/WOODY STAKES. , e . osu n um corym ecc -HERB/GRASS SPECIES INCLUDE BUT ARE NOT LIMITED T0: -TREE SPECIES INCLUDE BUT ARE NOT LIMITED T0: Landropogon virginicus, Sorghum bicolor, Lolium spp., Acer rubrum., Betu/a nigra., Fraxinus pennsylvanica, Panicum spp., Pennisetum g/aucum, Seca/e cen;a/e, Jug/ands nigra, Liriodendron Tulipifera, Platinus ETC. occidentalis., Prunus serotina., etc. *NOTES: -TREE/SHRUB/GRASS SPECIES LISTED ARE SUBJECT TO CHANGE DUE TO AVAILABILITY FROM LOCAL NURSERIES AND FORESTRY SUPPLY STATIONS. - TEMPORARY SEEDING -USE WHERE NEEDED FOR EROSION AND POLLUTION CONTROL, WHEN PERMANENT VEGETATION CANNOT BE ESTABILISHED DUE TO PLANTING SEASON AND WHERE TEMPORARY GROUND COVER IS NEEDED TO ALLOW NATIVE OR WOODY VEGETATION TO BECOME ESTABILISHED. - PERMANENT SEEDING- USE IN COMBINIATION WITH WOODY PLANTINGS ON THE UPSLOPE SIDE OF THE RIPARIAN PLANTING. National Committee for the New River sz~sat ~~ ~~~:~ ~~• a.~. ~X 14aD & 16~ bwFy Fork Rd1 Tr'...• TN 8'M!1 Typical C h a n n e l West ]efrerson, NC 28694 Oti 4l3.7E7M76 cN4 x.7733!!0 ph. 336.846.4871 Re-Vegetation Plan Drawn Bye Adarl Wllllarls, BFEC, Inc. DATES 11/8/2006 NOT TO SCALE I View Deta i FIGURE 6 `i or~binati n of Na tive Trees & Shrubs see lan Vie Detail or ecles) O _ ~-' d ~ ankful W Diversio Sod-n tting or Structu e r i n ntr l F ri Footer Appr x. Wate r ____ _ _ __--._ Rocks Surf ce StQtlO1'1 Note ~ Atl disturbed areas are to be imm ediately sowed with a temporary grass Mixture. ~ Following site construction a native/permanent grass mixture will be applied when available . NationalCommltteefortheNewRiver ~_~r••~:...*........a....=tl...a... ""~"~~°~~'°" Typical Channel Re-Vegetation FIGURE DRAWN BYE Adaro Wllllaros NOT TD SCALE Cross-section Detail DATES 11/6/2006