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HomeMy WebLinkAbout20041478 Ver 1_Complete File_20100726w `??C Q? yvnf??QG DL Lia -1 Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Cz C Alan W. Klimek, P.E. Director Division of Water Quality October 15, 2004 Yancey County DWQ Project No. 041478 NCSR 1390 (Mathis Road) APPROVAL of 401 Water Quality Certification with Additional Conditions Mr. J. J. Swain, Jr., P.E. Division Engineer L p N C Department of Transportation Post Office Box 3279 O CT 2 5 2004 Asheville, North Carolina 28802 DENR - WATER QugLil wbiANDS10F WATER R Dear Mr. Swain: eRNVCN You have our approval, in accordance with the attached conditions and those listed below, to impact 40 linear feet of an unnamed tributary to Hardscrabble Branch (40 linear feet of new pipe) in order to make improvements to NCSR 1390 (Mathis Road) in Yancey County. The project must be constructed in accordance with the application dated August 31, 2004 (received September 3, 2004), including the environmental commitments made in the application letter. After reviewing your application, we have decided that this fill is covered by General Water Quality Certification No. 3404, corresponding to the U.S. Army Corps of Engineers Nationwide Permit Number 14. In addition, you must acquire any other federal, state or local permits before you proceed with your project including (but not limited to) Sediment and Erosion Control, Non-Discharge and Water Supply Watershed regulations. This approval will expire with the accompanying 404 Permit unless otherwise specified in the Water Quality Certification. This approval is valid solely for the purpose and design described in your application (unless modified below). Should your project change, you must notify the DWQ in writing and submit a new application. If the property is sold, the new owner must be given a copy of this Certification and approval letter, and is thereby responsible for complying with all the conditions. If total wetland fills for this project (now or in the future) exceed one acre, or if total impacts to streams (now or in the future) exceed 150 linear feet, compensatory mitigation may be required as described in 15A NCAC 2H .0506 (h) (6) and (7). For this approval to be valid, you must follow the conditions listed in the attached certification and any additional conditions listed below. 1._ Erosion and sediment control practices must be in full compliance with all specifications governing the proper design, installation and operation and maintenance of such Best Management Practices in order to protect surface waters standards: a. The erosion and sediment control measures for the project must be designed, installed, operated, and maintained in accordance with the most recent version of the North Carolina Sediment and Erosion Control Planning and Design Manual. b. The design, installation, operation, and maintenance of the sediment and erosion control measures must be such that they equal, or exceed, the requirements specified in the most recent version of the North Carolina Sediment and Erosion Control Manual. The devices shall be maintained on all construction sites, borrow sites, and waste pile (spoil) projects, including contractor-owned or leased borrow pits associated with the project. c. For borrow pit sites, the erosion and sediment control measures must be designed, installed, operated and maintained in accordance with the most recent version of the North Carolina Surface Mining Manual. N `thCarolina Noaturally North Carolina Division of Water Quality 2090 U.S. Highway 70 Swannanoa, NC 28778 Phone (828) 2964500 Customer Service Internet: h2o.enr.state.nc.us FAX (828) 299-7043 1-877-623-6748 An Equal OpportunitylAffirmalive Action Employer .++.... ?. Uvv_-3 ?1 1 .L. October 15, 2004 t? Page Two d. The reclamation measures and implementation must comply with the reclamation in accordance with the requirements of the Sedimentation Pollution Control. Act. 2. No waste, spoil, solids, or fill of any kind shall occur in wetlands, waters, or riparian areas beyond the footprint of the impacts depicted in the Preconstruction Notice Application. All construction activities, including the design, installation, operation, and maintenance of sediment and erosion control Best Management Practices, shall be performed so that no violations of state water quality standards, statutes, or rules occur. 3. Sediment and erosion control measures shall not be placed in wetlands or waters to the maximum extent practicable. If placement of sediment and erosion control devices in wetlands and waters is unavoidable, they shall be removed and the natural grade restored within six months of the date that the Division of Land Quality has released the project. 4. NCDOT shall use Best Management Practices for the Protection of Surface Waters (NCDOT August 2003) and Sedimentation and Erosion Control Guidelines for Sensitive Watersheds [15A NCAC 4B .0124 (a)-(e)]. Measures should be implemented prior to any ground disturbing activities to minimize impacts to downstream aquatic resources. Temporary or permanent herbaceous vegetation should be planted on all bare soil within 5 days of ground disturbing activities to provide long-term erosion control. Erosion control matting should be used in conjunction with appropriate seeding on disturbed soils in steep slope and riparian areas. Matting should be secured in place with staples, stakes or, wherever possible, live stakes and native trees. Tall fescue and straw mulch should not be used in riparian areas. Riparian vegetation must be reestablished within the construction limits of the project by the end of the growing season following completion of construction. 5. Stormwater shall be directed to vegetated buffer areas, grass lined ditches or other means appropriate to the site for the purpose of pre-treating stormwater runoff, and must not be routed directly into streams. Mowing of existing vegetated buffers is strongly discouraged, so that they may be utilized for stormwater diffuse flow. 6. Culverts that are less than 48-inch in diameter should be buried to a depth equal to or greater than 20% of their size to allow for aquatic life passage. Culverts that are 48-inch diameter or larger should be buried at least 12 inches below the stream bottom to allow natural stream bottom material to become established in the culvert following installation and to provide aquatic life passage during periods of low flow. This may require increasing the size of the culvert to meet flow conveyance requirements. If any of the existing pipes are perched, they shall be removed and replaced, and re-installed correctly, unless demonstrated that this is topographically unfeasible. 7. Removal of vegetation at the stream crossing and adjacent to streams should be minimized. Native trees and shrubs (e.g. Rhododendron, dog hobble, willows, alders, sycamores, dogwoods, black walnut and red maple) should be planted along the streambank to reestablish the riparian zone and to provide long-term erosion control in the vicinity of the road crossing and along the streams within dedicated rights of way. 8. Riprap placed for bank stabilization should be limited to the streambank below the high water mark, and vegetation should be used for stabilization above the high water elevation. 9. Heavy equipment must be operated from the banks rather than in the stream channel in order to minimize sedimentation and to reduce the likelihood of introducing other pollutants into the stream. 10. All mechanized equipment operated near surface waters must be regularly inspected and maintained to prevent contamination of stream waters from fuels, lubricants, hydraulic fluids, or other toxic materials. 11. Excavation of the stream crossings and relocations should be conducted in the dry, if possible. Sandbags, cofferdams, flexible pipe or other diversion structures should be used to minimize excavation in flowing water. 12. If concrete is used during culvert installation (e.g., headwalls), a dry work area should be maintained to prevent direct contact between curing concrete and stream water. Water that inadvertently contacts uncured concrete should not be discharged to surface waters due to the potential for elevated pH. 13. Discharging hydroseed mixtures and washing out hydroseeders and other equipment in or adjacent to surface waters is strictly prohibited. 14. The presence of equipment in the channels must be minimized. Under no circumstances must rock, sand or other materials be dredged from the wetted stream channel under authorization of this permit, except in the immediate vicinity of the culverts. Instream dredging has catastrophic effects on aquatic life, and disturbance of the natural form of the stream channel will likely cause downstream erosion problems, possibly affecting other landowners. 15. Rock check dams at culvert outlets should be removed at project completion to avoid blocking movement of aquatic life. 16. This certification does not authorize the discharge of waste rock and dirt into the stream or riparian zone except for permitted areas associated with culvert conditions. 17. All work shall be performed during low flow conditions (below bankfull). -- 1. .. u rr 1. -, -1 1 .L. October 15, 2004 Page Three 18. Upon completion of the project, the NCDOT shall complete and return the enclosed "Certificate of Completion" form to notify NCDWQ when all work included in the §401 Certification has been completed. The responsible party shall complete the attached form and return it to the Transportation Permitting Unit of the NC Division of Water Quality upon completion of the project. The NCDOT is strongly advised to send in photographs upstream and downstream of each structure to document correct installation. If you do not accept any of the conditions of this certification, you may ask for an adjudicatory hearing. You must act within 60 days of the date that you receive this letter. To ask for a hearing, send a written petition, which conforms to Chapter 150B of the North Carolina General Statutes to the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, N.C. 27699-6714. This certification and its conditions are final and binding unless you ask for a hearing. This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water Act. If you have any questions, please telephone or Mr. Mike Parker of the Asheville Regional Office at 828.296.4500. Sincerely, ? xr. r'--Alan W. Klimek, P.E. Attachment cc: Wilmington District, US Army Corps of Engineers Roger Bryan, Division 13, DEO Ed Ingle, Roadside Environmental Angie Pennock, USACE Asheville Field Office Transportation Permitting Unit Mike Parker, Asheville Regional Office WETLANDS/ 401 GROUP SEP U 3 2004 wATERQUALITYSECT10 N STATE OF NORTH CAROLINA DEPARTMENT OF TRANSPORTATION MICHAEL F. EASLEY LYNDO TIPPETT GOVERNOR PO BOX 3279, ASHEVILLE, NC 28802 August 31, 2004 Mrs. Angie Pennock US Army Corps of Engineers 151 Patton Avenue, Room 208 Asheville, NC 28801-5006 041478 SECRETARY Subject: Nationwide Permit #14 SR 1390, Mathis Road State Project No. 13C. I 00038(DWQ Minor Permit Fee $200) Yancey County, NC Dear Mrs. Pennock: I have enclosed a straight-line diagram with erosion control plan, a PCN application for NWP #14, and a vicinity map relative to the proposed project on SR 1390, Mathis Road, Yancey County, NC. Mathis Road is currently a 14-16 feet wide gravel road at the end of paved road. Division of Highways plans to pave the road 18 feet wide and increase the typical section. Grading will be light. We propose to extend two existing culverts on an UT to Hardscrabble Branch. Total culvert extensions will be 40 linear feet. The UT contains riffle/pool complexes, cobble/gravel substrate and pronounced bed/bank features (see photos). No stream relocation will be performed for the project. Existing channel morphology will be maintained upstream and downstream of the culvert. The culverts will be placed below existing streambed elevation. Riparian vegetation will be reestablished along disturbed areas associated with the culvert extension. Stormwater will be diverted through grass- lined ditches or vegetated buffers prior to entering streams. No effect on federally listed species (threatened or endangered) or their habitats is anticipated. The project is located approximately 1.0 miles from the Cane River, a known location for the Appalachian elktoe (Alasmidonta raveneliana). The proposed project contains minimal instream work consisting of extending two culverts on a P Mrs. Angie Pennock Page -2 SR 1390, Yancey County August 31, 2004 small stream. High Quality Water erosion control measures will be implemented to limit potential sedimentation from the project. As a part of the 401 Certification process, a copy of the application will be forwarded to the NC State Historic Preservation Office as required by Section 106 of the National Historic Preservation Act of 1966 and GS 121-12(a). By copy of this letter, we request David McHenry, North Carolina Wildlife Resources Commission Coordinator, to comment directly to the Corps concerning the permit request. By copy of this letter, we are asking Ed Ingle, Area Roadside Environmental Engineer, to comment on the above project. Temporary encroachment into the buffer zone of the UT will be required for the entire project. The stream is classified as trout. A buffer variance will be required. By copy of this letter, I am forwarding seven (7) copies of the application package to Brian Wrenn, NC Division of Water Quality, 401/Wetland Unit and an additional copy to Mike Parker, NC DWQ Asheville Regional Office for review and comment. Please charge the application processing fee of $200.00 to WBS element # 13C.100038. Please forward 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, Rog D. Bryan Division 13 Environmental Officer Enclosures cc: J.J. Swain, Jr., P.E. H. M. Coates, P.E. Ed Ingle David McHenry Brian Wrenn Mike Parker Office Use Only: 041478 Form Version April 2001 USACE Action ID No DWQ No. If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A" rather than leaving the space blank. I. Processing 1. Check all of the approval(s) requested for this project: X Section 404 Permit ? Section 10 Permit X 401 Water Quality Certification ? Riparian or Watershed Buffer Rules 2. Nationwide, Regional or General Permit Number(s) Requested: NWP 14 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 Wetlands Restoration Program (NCWRP) is proposed for mitigation of impacts (see section VIII - Mitigation), check here: ? II. Applicant Information 1. Owner/Applicant Information Name: J J Swain Jr P E Division Engineer Mailing Address: NC Department of Transportation P.O. Box 3279 Asheville NC 28802 Telephone Number: 828-251-6171 Fax Number: 828-251-6394 E-mail Address: rdbr anadot state nc us 2. Agent Information (A signed and dated copy of the Agent Authorization letter must be attached if the Agent has signatory authority for the owner/applicant.) N/A Name: Company Affiliation: Mailing Address: Telephone Number: Fax Number: E-mail Address: Page 1 of 8 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: SR 1390 Mathis Road 2. T.I.P. or State Project Number (NCDOT Only):13C.100038 3. Property Identification Number (Tax PIN): N/A 4. Location County: Yancey Nearest Town: Cane River Subdivision name (include phase/lot number): N/A Directions to site (include road numbers, landmarks, etc.): SR1390 is located off of SR 1391 (Hardscrabble Road) approximately 2 miles north of its intersection with US 19W. 5. Site coordinates, if available (UTM or Lat/Long): 35° 56'05"N 82° 24'19"W (Note - If project is linear, such as a road or utility line, attach a sheet that separately lists the coordinates for each crossing of a distinct waterbody.) 6. Describe the existing land use or condition of the site at the time of this application: Existing secondary road 7. Property size (acres): 2.9 Nearest body of water (stream/river/sound/ocean/lake): UT to Hardscrabble Branch (Class C-Tr 9. River Basin: French Broad (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/adininhnaps/.) Page 2 of 8 10. Describe the purpose of the proposed work: We propose to grade, drain, base, pave and install erosion control measures for SR 1390 (Mathis Road). We propose to extend two existing culverts on an UT to Hardscrabble Branch. Total culvert extension will be 40 linear feet The culverts will be installed to insure aquatic life passage within the stream. d 11. List the type of equipment to be used to construct the project: Excavator, backhoe, an trucks. 12. Describe the land use in the vicinity of this project: Rural, wooded, homes. 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 additional permit requests anticipated for this project in the future? If so, describe the anticipated work, and provide justification for the exclusion of this work from the current application: No no future plans 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. The applicant must also provide justification for these impacts in Section VII below. All proposed impacts, permanent and temporary, must be listed herein, and must be clearly identifiable on an accompanying site plan. All wetlands and waters, and all streams (intermittent and perennial) must 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. Wetland Impacts Wetland Impact I - t v Site Type of Impact* impact F ood lain** 100 ear a es Stream Ne Type of Wetland*** Page 3 of 8 N/A on y . • . . __ _ __.1 :a,._.:rs. T-ante inchvle hm are net limited to: mechanized clearing, grading, fill, excavation, flooding, ditching/drainage, etc. For dams, separately list impacts due to both structure and flooding. ** 100-Year floodplains are identified through the Federal Emergency Management Agency's (FEMA) Flood Insurance Rate Maps (FIRM), or FEMA-approved local floodplain maps. Maps are available through the FEMA Map Service Center at 1-800-358-9616, or online at httn://www.fema.gov. *** List a wetland type that best describes wetland to be impacted (e.g., freshwater/saltwater marsh, forested wetland, beaver pond, Carolina Bay, bog, etc.) List the total acreage (estimated) of existing wetlands on the property: 0.0 Total area of wetland impact proposed: 0.0 2. Stream Impacts, including all intermittent and perennial streams Stream Impact Site Number indicate on ma Type of Impact* Length of Impact linear feet Stream Name** Average Width of Stream Before Impact Perennial or Intermittent? leasespecify) 13+60 Culvert 20 UT to Hardscrabble Br. 2 ft P 28+99 Culvert 20 UT to Hardscrabble Br. 2 ft P * List each impact separately and identify temporary impacts. impacts include, out are not limited to: culverts and associated „Y-,at,, dams (separately list impacts due to both structure and flooding), relocation (include linear feet before and after, and net loss/gain), stabilization activities (cement wall, rip-rap, crib wall, 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. ** Stream names can be found on USGS topographic maps. If a stream has no name, list as UT (unnamed tributary) to the nearest downstream named stream into which it flows. USGS maps are available through the USGS at 1-800-358-9616, or online at www.usgs.gov. Several internet sites also allow direct download and printing of USGS maps (e.g., www.topozone.com, w-ww.ntgpguest.corn, etc.). Cumulative impacts (linear distance in feet) to all streams on site: 40 feet. Page 4 of 8 3. Open Water Impacts, including Lakes, Ponds, Estuaries, Sounds, Atlantic Ocean and any other Water of the U.S. Open Water Impact Site Number (indicate on ma) Type of Impact* Area of Impact (acres) Name of Waterbody (if applicable) Type of Waterbody (lake, pond, estuary, sound, ba , ocean, etc.) N/A * List each impact separately and identify temporary impacts. Impacts include, but are not limited to: tin, excavation, dredging, flooding, drainage, bulkheads, etc. 4. Pond Creation - N/A 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.): Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond, local stormwater requirement, etc.): 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 existing secondary road must be improved to meet current safety standards for paved roads The culvert extensions requested are the minimum necessary to establish an appropriate typical section for the roadway. Riparian vegetation will be established on disturbed areas associated with the project construction. VIII. Mitigation - N/A 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 Page 5 of 8 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 March 9, 2000, 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 NCWRP 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 httl2://l12o.enr.state.nc.us/newetlands/strrn,aide.html. 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 Wetlands Restoration Program (NCWRP) with the NCWRP's written agreement. Check the box indicating that you would like to pay into the NCWRP. Please note that payment into the NCWRP must be reviewed and approved before it can be used to satisfy mitigation requirements. Applicants will be notified early in the review process by the 401/Wetlands Unit if payment into the NCWRP is available as an option. For additional information regarding the application process for the NCWRP, check the NCWRP website at http://l12o.enr.state.nc.us,."m/index.htni. If use of the NCWRP is proposed, please check the appropriate box on page three 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): Amount of Non-riparian wetland mitigation requested (acres): Amount of Coastal wetland mitigation requested (acres): Page 6 of 8 IX. Environmental Documentation (DWQ Only) Does the project involve an expenditure of public funds or the use of public (federal/state/local) land? Yes X No ? 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 X 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 ? X. Proposed Impacts on Riparian and Watershed Buffers (DWQ Only) - N/A 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. Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233 (Neuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 2B .0250 (Randleman Rules and Water Supply Buffer Requirements), or other (please identify. )? Yes ? No X If you answered "yes", provide the following information: 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* Impact (square feet Multiplier Required Mitigation 1 3 2 1.5 Total * Zone 1 extends out 30 feet perpendicular trom near banK of cnannei; cone / extends an additional 20 feet from the edge of Zone 1. If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e., Donation of Property, Conservation Easement, Riparian Buffer Restoration / Enhancement, Preservation or Page 7 of 8 Payment into the Riparian Buffer Restoration Fund). Please attach all appropriate information as identified within 15A NCAC 2B.0242 or.0260. XI. Stormwater (DWQ Only) Describe impervious acreage (both 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. The existing compacted gravel roadway acts as an impervious surface. Paving of the roadway should eliminate sedimentation from fines associated with gravel surface treatment. The roadway surface will be 40% of right of wage. Stormwater will be diverted through settling basins or grass lined buffers prior to entering the streams. XII. Sewage Disposal (DWQ Only)- N/A XIII. Violations (DWQ Only) Is this site in violation of DWQ Wetland Rules (15A NCAC 2H .0500) or any Buffer Rules? Yes ? No X Is this an after-the-fact permit application? Yes ? No X XIV. 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). With reizard to hazardous spill basins, the road is not classified as an arterial route, therefore hazardous spill basins are not required. 1 Appl'cc nt/Agent's 4*6ature Date (Agent's signature is valid only if an authorization letter from the applicant is provided. Page 8 of 8 d S'R X390=' J y j ;,,E' , 623 - ? t x i . £ Ti f s S ` 1 •, --? mod. .. ....- .. i n S ` we. .? i. 11f?/ '. / ! ' , ?4 t `? t - ? ti ?` /? `+..•.? } - i ? _ ?,.V - `? ?f?q 1! it i`e 3 T f? 4 ` 'h'uh' ? .'' j ` ? ? ?A}y '° ? , ??' ?•?,.?. 'd,'"r. 44 i yx ? fi?"s r ... !¢ `?_ _ f! s+ , 1 n 6°W Name: BALD CREEK Location: 035° 55' 33.84" N 082° 24'09.27" W Date: 8/31/2004 Caption: SR 1390, Mathis Road Scale: 1 inch equals 1000 feet Yancey County, NC Copyright (C) 1998, Maptech, Inc 9-5X /? y L? .DrAirn/ &jT-,/ a-,? /53r vc Ugr?4? .33 Figure 1.1. SR 1390, Station 13+60, UT, Yancey County, NC. Figure 1.2. SR 1390, Station 28+99, LT, Yancey Count, \C. w I N.C. DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYS SECONDARY ROAD SURVEY SUBJECT:SR-1390 MATHIS ROAD LOCATION: FROM SR -1391 TO END OF MAINT. WORK TYPE: GRADE, DRA I N, BASE, AND PAVE WORK ORDER: 13CJ00039 PRIORITY: COUNTY: Y A N C E Y TOWNSHIP:CANER IVER DATE: 9-24 -03 SCALE: 1" = 50 NOTES: 4 5' /ypT? - X/&) ON 4 70 PREPARED BY: R.13_ S7.,9 71-61,j 0811Ao • "/ o t 1 PIPE DATA SR# /3 CO. y,Q C,5 . WORK ORDER STATION - PRESENT SIZE PROPOSED SIZE N /0,(-7-3 X C --,20' 77 S5 z /614/-37 x L4 + + t9 3 + X C/n X 11 3 'x lk" ao - -? 0? 2 0 s 2 c ss ;per 1 ROSS ?6+ 60 3 +03 ?' x C V REFIT = e A` i i - i - ------------- I - .1 t STATE OF NORTH CAROLINA DIVISION OF HIGHWAYS EROSION SYMBOLS STD # DESCRIPTION 245.03 TEMPORARY SILT DITCH --------------------------------------------- TSD 245.05 TEMPORARY DIVERSION ---------------------------------------------- - -TD -.?- 893.01 TEMPORARY SILT FENCE --------------------------------------------- - w 'ii 890.05 TEMPORARY SLOPE DRAIN WITH EARTH BERM --------------- ---- 245.01 SILT BASIN TYPE A ------------------------------------------------------------- -- -? 245.02 SILT BASIN TYPE B ------------------------------------------------------------- - 892.04 TEMPORARY ROCK SILT CHECK TYPE A ---------------------------- -- TEMPORARY ROCK SILT CHECK TYPE B ---------------------------- ---- 892.01 TEMPORARY ROCK SEDIMENT DAM TYPE A --------------------- -- 892.02 TEMPORARY ROCK SEDIMENT DAM TYPE B --------------------- ---- 897.01 ROCK PIPE INLET PROTECTION ----------------------------------------- --- Aoqk 894.01 ROCK SILT SCREEN ------------------------------------------------------------ ---- 245.04 STILLING BASIN ------------------------------------------------------------------ ----® 868.01 RIP RAP - - - RR J DITCH LINER ----------------------------------------------------------- ^. ENVIRONMENTALLY SENSITIVE AREA------------------------------ PIPE OUTLET ENERGY DISSAPATOR ----------------------------------------- EROSION CONTROL MATTING ---------------------------------- ECM FIBER GLASS ROVING ----------------------------------- ------ FGR SILT CHECK DAM TYPE-A -------------------------------------------------------O SILT CHECK DAM TYPE--B------------------------------------------------------- N v - + + + + CD 0 0 0 0 - oo0oa) 0 0 0 0 0 0 U) C4 .. + m w o 0 o 0 o0 r- CD CD CD n 'rr?? G) m a m CD r« a Cl) r. CD 0 p Cl) Cl) c - CD v o C/) _CI) -I? 0ooQ°?3 CD M CD o<°<c°?i3 n co aD DESIGN FOR SILT- BASIN NOT TO SCALE CHECK EVERY STORM EVENT AND CLEAN OUT WHEN HALF FULL. T 600 CUBIC FEET PER ACRE. r I' T ( S.B. 7 ) 2' ( S.B. 9 ) LENGTH OF DISTURBED AREA 100' 21 1 ( S.B. 14 ) °I .31 ? 21 Ir? LENGTH OF DISTURBED AREA 200' LENGTH OF DISTURBED AREA 300' LENGTH OF DISTURBED AREA 400' ;- • t, PIPE INSTALLATION NOTES 1) Install erosion control devices. In streams, where necessary, rock silt screens will be used. 2) Remove material and existing pipe while limiting, as much as possible, material and sediment from entering the stream and/or escaping from the project. 3) Prepare pipe foundation while again taking care to limit, as much as possible, material and sediment from entering the stream and/or escaping from the project. Where possible, new grade will be below the existing streambed. If needed, bedding material will be clean stone. 4) Place the new pipe and compact backfill. 5) Install slope protection on outlet and inlet ends of pipe. Also complete installation of erosion control measures and perform maintenance as needed on existing measures. 6) Establish permanent vegetation as soon as possible. w ?ROADWAY DITCH AND MEDIAN LINING GUIDELINES Percent of Grade Type of Lining Recommended 0 Scraw and Tack 2rosori. Concrol Martina 3 4 Synchecic Roving 5 greater Scone VIII- 2 March, 1993 a L y ? y y v m C M v 0 0c cz t , 0 4) t W 4) 3 a. Z 1 0 L 0 W y y Itlll- 11 '?: 4? =1111 ?? 'D ?..J A 1 A 141 y ? ?..?, c O c b ? n CL CO oo?? C C O d 1.d • , _ G4 ,? to ?= II it II cn • •?• .a • VI-35 March, 1993 1 • -1 `A Stage Seeding: The work covered by this section shall consist of the establishment of a vegetative cover on cut and fill slopes as grading progresses. Seeding and mulching shall be done in stages on cut and fill slopes which are greater than 20 feet in height or greater than 2 acres in area. Each stage shall not exceed the limits stated above. I . ? ? 611 I I I ? I I _ ? I I I I I 5A I LO i e I1/0 it) ??f ?? I 3 8 P I I. f /? T = a0 TT0 /'1 Ga. QR i o'll Tip fl E !g R? U/V SOAI EuGEN RANOOLPH I ' I /x'+/481 /00/93 L I 5AL-LO W /a - I 1_IZ)STU R E I I? I ? I ? I • ? C I ?/o91r 40\.X /F\\ C.P P 20 HARD-SCRAUE RD i? F-uG,=-/NF- R/vvoot-po O Z'x W" (?/V FAl-LO W -1991 ° o N /?ATR=s I z n I ? 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