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HomeMy WebLinkAbout20080584 Ver 1_Application_20080328e}~~~ '~ STATE OF NORTH CAROLINA MICHAEL F. EASLEY GOVERNOR DEPARTMENT OF TRANSPORTATION P. O. Box 25201, Raleigh, NC 27611-5202 PHONE: 919-733-2520 March 25, 2008 Mr. Monte Matthews U. S. Army Corps of Engineers Raleigh Regulatory Field Office 3331 Heritage Trade Drive, Suite 105 Wake Forest, NC 27587 . `~' ~~! ~Q y~~ /G~~4'~~ ~~~ A '('~(J'y Yr . ~'' G~ "CT' ~ti. , ~1~ filrps~~~~~~ OCCQ LYNDO TIPPETT SECRETARY 080584 Subject: Nationwide Permit # 14 SR 1613A (South laurel Fork Road) Ashe County, North Carolina Project Number: 110.005108 (DWQ Permit Fee: $240) Dear Mr. Matthews: The NC Department of Transportation is scheduled to grade, drain, base and pave SR 1613A, South Laurel Fork Road in Ashe County. Total project length is approximately 1.21 miles. The improved section will be widened from 16 feet to 18 feet with impervious surface area increasing by 0.29 acres. This project will require the replacement of two wet pipes as shown below: Stream Impacts: Station Number ` Existing Pipe Size Proposed Pipe 'Size Riprap Impacts (feet) Total Impacts at this Station (ft.) 28+771 31'x 24" 75'x 36" 10 54 47+882 27'x 18" 60'x 24" 10 38 Total Stream Im acts = 92 feet This pipe is currently perched. Due to slope, this pipe may still be perched after replacement. If so, an energy dissipater pad will be placed in the stream channel at the pipe outlet. A perched private pipe immediately upstream of our crossing is prohibiting aquatic life passage anyway. Bedrock is present under the inlet and outlet of this pipe. As a result, successfully burying this pipe into the streambed substrate will be extremely unlikely. This pipe is also currently perched. Due to slope, this pipe may still be perched after replacement. If so, an energy dissipater pad P. O. Box 250, N. WILxESBORO, NC 28659 PHONE (336)667-9111 Fnx (336)667-4549 Mr. Monte Matthews ` SR 1613A (South Laurel Fork Road) Page 2 March 25, 2008 will be placed in the stream channel at the pipe outlet. A perched private pipe immediately upstream of our crossing is prohibiting aquatic life passage anyway. This private pipe will likely be cut back and daylighted by 5 linear feet. As a result, our anticipated impact at this location will be 38' not 43'. The replacement of the wet pipe at station 28+77 will require temporary dewatering. An impervious sandbag dike will be constructed upstream of the existing culvert to create a small pool. Clean water will temporarily be pumped azound the construction azea and will be discharged downstream. Any dirty water located inside of the construction azea will be pumped into a silt bag if necessary. Total dewatered area at station 28+77 will be approximately 0.003 acres. Once the new pipe is in place, the impervious dike will be removed and preconstruction streambed elevations will be restored. Due to the presence of a private pipe located immediately upstream of our pipe inlet, dewatering the wet pipe at station 47+88 is likely not possible. Due to the presence of bedrock, we do not anticipate that this will cause a turbidity problem. The wet pipes in question carry different unnamed tributaries to Wolf Branch (Class: B, Trout +). This project was reviewed for the presence of threatened and endangered species on March 25, 2008. This project will have no effect on any federally listed endangered plant or animal species. The State Historic Preservation Office has reviewed this project and did not request any survey work. The project impacts are minor in nature and should not remove or degrade existing water quality uses. Pipe sizes used will be the minimum necessary to create a safe roadway. By utilizing the erosion control measures outlined in the attachments to this application, downstream water quality standards will be protected. All appropriate BMPs will be used during construction. Attached is a Preconstruction Notification Form, plan sheets with proposed erosion control measures, a marked county map, a marked topography map and photographs. By copy of this letter, it is requested that Mr. Ron Linville, Mountain Region Coordinator, with the North Cazolina Wildlife Resources Commission comment directly to you concerning the 404 " Nationwide Permit application with a copy sent to me. By copy of this letter, I am forwazding five (5) copies of this application package to Brian Wrenn, NCDENR, Division of Water Quality, 401/Wetlands Unit, for his review. It is requested that any comments related to the 401 certification be forwarded directly to me with a copy sent to the US Army Corps of Engineers. We would like to begin construction as soon as possible. If further information is required, please let me know. Your eazly review and consideration will be appreciated. Mr. Monte Matthews SR 1613A (South Laurel Fork Road) Page 3 March 25, 2008 Sincerely, /~~ Heath Slaughter Division 11 Environmental Officer Enclosures cc: Monte Matthews, US Army Corps of Engineers (1 additional copy) Ron Linville, Western Piedmont Region Coordinator, NCWRC Brian Wrenn, Division of Water Quality (5 copies) Amy Euliss, Division of Water Quality Mike Pettyjohn, PE, Division Engineer Doug Tetzlaff, District Engineer Doug Eller, County Maintenance Engineer Heath Slaughter, Division Environmental Officer Scott Pipes, Roadside Environmental Field Operations Technician Office Use Only: ~ Form Version Apri12001 USACE Action ID No. DWQ No. ~ ~ ~ ~ 0 ~ 8 4 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: ® Section 404 Permit ^ Section 10 Permit ® 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: North Carolina Department of Transportation Mailing Address: P. O. Box 250, North Wilkesboro, NC 28659 Telephone Number: (3361903-9202 Fax Number: (336) 667-4549 E-mail Address: hslau hg ter(a~dot.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.) Name: Heath Slaughter, Division Environmental Officer Company Affiliation: North Carolina Department of Transportation Mailing Address: P. O. Box 250 North Wilkesboro NC 28659 Telephone Number:. (336) 903-9202 Fax Number: (336) 667-4549 E-mail Address: hslau hg terndot.state.nc.us Page 3 of 12 III. Project Information Attach a vicinity map cleazly 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 1613A, South Laurel Fork Road 2. Project Number (NCDOT Only): 110.005108 3. Property Identification Number (Tax PIN): N/A 4. Location County: Ashe Neazest Town: Laurel Springs Subdivision name (include phase/lot number): N/A Directions to site (include road numbers, landmazks, etc.): See attached SR map. Site coordinates, if available (UTM or Lat/Long): 28+77 DD: 36.39605 N, 81.27307 W 47+88 DD: 36.39905 N 81 27775 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.) 5. Describe the existing land use or condition of the site at the time of this application: Secondary Road 6. Property size (acres):. Approximately 6.3 acres. 7. Nearest body of water (stream/river/sound/ocean/lake): UTs to Wolf Branch (Class: B, Trout +l. 8. River Basin: New (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 4 of 12 9. Describe the purpose of the proposed work: Grade drain base and pave SR 1613A. 10. List the type of equipment to be used to construct the project: Trackhoe/backhoe. motor grader and dump trucks 11. Describe the land use in the vicinity of this project: Residential/Fazm 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. 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: N/A 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 cleazly 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 aze 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 Page 5 of 12 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. Vt/etland Impacts Wetland Impact Site Number (indicate on ma Type of Impact* Area of Impact (acres) Located within 100-year Floodplain** (es/no Distance to Nearest Stream (linear feet) Type of Wetland*** N/A * List each impact separately and identify temporary impacts. impacts mctuae, nu[ are nor umnea to: mecnanizcu c~raru~g, ~nuu~y, ~,~~, 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 az 1-800-358-9616, or online az httn://www.fema.¢ov. *** 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: Total area of wetland impact proposed: 0 2. Stream Impacts, including all intermittent and perennial streams Stream Impact Site Number (indicate on map) Type of Impact* Length of Impact (linear feet) Stream Name** Average Width of Stream Before Im act perennial or Intermittent? (please specify) Station No. 28+77 Pipe replacement 44 feet UT #1 to Wolf Branch 1 foot Perennial Station No. 47+88 Pipe replacement 33 feet UT #2 to Wolf Branch 2 feet Perennial * List each impact separately and identify temporary impacts. Impacts include, but are not limited to: culverts and associates np-rap, dams (separazely 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 az www.usas.aov. Several Internet sites also allow direct download and printing of USGS maps (e.g., www.topozone.com, www.mapquest.com, etc.). Cumulative impacts (linear distance in feet) to all streams on site: 771n. ft. excluding riprap. Page 6 of 12 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. Wet pipes Riprap 0.0009 UTs to Wolf Branch Streams Station No. 28+77 Temporary Dewatering 0.003 UT #1 to Wolf Branch Stream ' List each impact separately and identify temporary impacts. Impacts include, but are not limited to: fill, excavation, dredging, flooding, drainage, bulkheads, etc. 4. 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.): __ 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 ofthe 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. By utilizing the erosion control measures as shown in the attached drawings, adverse impacts to streams in the area will be minimized. Since this is an existing roadway, the stream impacts cannot be avoided. However the replacement pipe lengths will be the minimum needed to safely construct the paved roadwa~a~propriate BMPs will be used during construction. Page 7 of 12 VIII. Mitigation 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 Mazch 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 http~//h2o enr state nc.us/ncwetlands/strmaide.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. EEP if necessaz~ Page 8 of 12 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 regazding the application process for the NCWRP, check the NCWRP website at htro://h2o.enr.state.nc.us/wrp/index.htm. 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): To be determined by COE Amount of buffer mitigation requested (square feet): N/A Amount of Riparian wetland mitigation requested (acres): NIA Amount ofNon-riparian wetland mitigation requested (acres): N/A Amount of Coastal wetland mitigation requested (acres): N/A IX. Environmental Documentation (DWQ Only) Does the project involve an expenditure of public funds or the use of public (federal/state/local) land? Yes ® 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 If yes, has the document review been finalized by the State Clearinghouse? If so, please attach a copy of the NEPA or SEPA fmal approval letter. Yes ^ No ^ X. Proposed Impacts on Riparian and Watershed Buffers (DWQ Only) 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 ripazian buffers identified within 15A NCAC 2B .0233 (Meuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 2B .0250 (Randleman Rules and Water Supply Buffer Requirements), or other (please identify )? Yes ^ No ® If you answered "yes", provide the following information: Page 9 of 12 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 (s uare feet) Multiplier Required Miti ation I 3 2 1.5 Total * Zone 1 extends out 30 feet perpendicular from near bank of channel; Lone 1 extenos an additiona120 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 Payment into the Riparian Buffer Restoration Fund). Please attach all appropriate information as identified within 15A NCAC 2B .0242 or .0260. N/A 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. ImQervious surface area will increase by approximately 0.29 acres. All appropriate best mana egL meet practices for sediment and erosion control will be implemented during construction. XII. Sewage Disposal (DWQ Only) Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of wastewater generated from the proposed project, or available capacity of the subject facility. N/A ` XIII. Violations (DWQ Only) 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 Page 10 of 12 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). zs Applicant/Agent's Signat Date (Agent's signature is vah only if an authorization letter from the applicant is provided.) US Army Corps Of Engineers Field Offices and County Coverage Asheville Regulatory Field Office Alexander Cherokee Iredell Mitchell US Army Corps of Engineers Avery Clay Jackson Polk 151 Patton Avenue Buncombe Cleveland Lincoln Rowan Room 208 Burke Gaston Macon Rutherford Asheville, NC 28801-5006 Cabarrus Graham Madison Stanley Telephone: (828) 271-4854 Caldwell Haywood McDowell Swain Fax: (828) 271-4858 Catawba Henderson Mecklenburg Transylvania Raleigh Regulatory Field Office Alamance Durham Johnston Rockingham US Army Corps Of Engineers Alleghany Edgecombe Lee Stokes 6508 Falls of the Neuse Road Ashe Franklin Nash Surry Suite 120 Caswell Forsyth Northampton Vance Raleigh, NC 27615 Chatham Granville Orange Wake Telephone: (919) 876-8441 Davidson Guilford Person Warren Fax: (919) 876-5283 Davie Halifax Randolph Wilkes Washington Regulatory Field Office Beaufort Currituck Jones US Army Corps Of Engineers Bertie Dare Lenoir Post Office Box 1000 Camden Gates Martin Washington, NC 27889-1000 Carteret* Green Pamlico Telephone: (252) 975-1616 Chowan Hertford Pasquotank Fax: (252) 975-1399 Craven Hyde Perquimans Wilmington Regulatory Field Office Anson Duplin Onslow US Army Corps Of Engineers Bladen Harnett Pender Post Office Box 1890 Brunswick Hoke Richmond Wilmington,NC 28402-1890 Carteret Montgomery Robeson Telephone: (910) 251-4511 Columbus Moore Sampson Fax: (910) 251-4025 Cumberland New Hanover Scotland Pitt Tyrrell Washington Wayne Union Watauga Yancey Wilson Yadkin *Croatan National Forest Only Page 11 of 12 r 1K94 Q = 1878; 1501 ~ ~ 1577 ~ Shatlq' ~ ri ^ ~- S A ? zzt ~ v - ~'r ;81603 1636 Q PHOENIX ng: p e 1571 q 1 ` - G M7'N. ~a x572 ~'`• 1576 7e / e a 11 ~ 1600 ' Wame nsvtlle ~ ~ ~ 1 ~m rt ~ 1805 2 y ° 1849 ~~~ ~ 159 > , "incem• i{i ~ w 1802 c p •~ ~ 1 12 1573 ~ 1868 ' 1851 nt 1578 ~ ds ` ~~ • ~ ~ Furchee ~ 5 q ° „ ~ • 594 ~' e Mount Vernon ~ ' ~ 291 , a 1578 1680 . p ` ' 0 2J ,e Baptist Cnurcn j,•- 1805 ' ~ 1508 1 ~ - ( 1857 > 1593 579 I ~~ -~I, ~ ~ ~ ' ` ' 804 1803 8 1608 686 1607 0 1509 1573• 1e .t -~ , ~ ~~~ ~ a r >s Leek a ~ sp 1 1801 ~ ~ ~ 159 '° n°y 1881 680 ~ ` 1 tw p ,, _ JEFFERSON , zzt 1 3 " 1584 .t ~ ~ 1591 1582 ~ • 1603 ~ ~ ® ~ ,- - - - _ _ to ., ^ „ ~ ~ ~ •,F z " t , _ i ~ AI at 187 1598 ! o 1595 J ` ~ i` ,p Bu '( zzt Smethport o . e e • .. 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Y n _ i. \ _~~ L/... ~ \~ ~.. /~7; _ , ' f X54' i • ~ 1 (///~(((///.J...~~~I ~~~ i-~ ~ - ~~ •C ~~ ' - _ ^~ ~. ,~- /!f ~l -_ '; ~ ~ X10 ~,-' Q ~ I .~~ v ~ ~ ~DZ~~ \~~ _~ ~.~ i!' _ .~ to -; ~ n ~7~ '/; ~-~ ~~ ~.. =ti'L'~~. ~ ~~ `~ ~ ~ ~ _ I - 't ~ l 1'i j ~.,i ~ ~j~ ~ //~' f%%~ •l ~( /t•' i 1 r-//~/"'-~ it -- ~ r1, r m .Chs~ , t `\ '/ \1 ' / ~ ~~ I ' /i 1~ ~ .~• -mfr ~ r1- ~ '~- ~,) ~ - \ .\ ~ ~l.. .,tir Pei C ~~> ~ ~/:_`.!- . ~ ,'~/ ~/i " \ ~ L i , 1'J!/~~~.J/ / i ~'_~~ ~r- I '4'0 1„~ `~ ~.~ Cem `~' J/ / ~`~ G'j.7e~y, ~ ''./~._J ~' ~/ ~~~; --•~ n/'~ ~ , 1 Name: LAUREL SPRINGS Location: 036.3982721° N 081.2716683° W Date: 3/25/2008 Scale: 1 inch equals 2000 feet 1998, Maptech, Inc. 1. 3. 5. 2. 4. 6. 1. Downstream view at station 28+77 on SR 1613A, Ashe. 2. Perched outlet view at station 28+77. 3. Upstream view at station 28+77. 4. Perched private pipe outlet draining to our pipe inlet at station 47+88. 5. Bedrock at outlet of pipe at station 47+88. 6. Perched outlet at station 47+88. EROSION CONTROL SCHEDULE (1) All adequate temporary erosion control measures will be installed before clearing and grubbing operations begin. (2) As construction progresses, temporary and permanent erosion control devices shall be installed in a timely matter, according to any special permit requirements and or requirements set out in G.S. 113A-57. MANDATORY STANDARDS FOR LAND-DISTURBING ACTIVITY Pursuant to G.S. 113A-57 (3), Provisions for a ground cover sufficient to restrain erosion must be accomplished within 30 working days or 120 calendar days following completion of construction or development, whichever period is shorter, except as provided in 15A NCAC 4B .0024 (e)." DESIGN STANDARDS IN SENSITIVE WATERSHEDS Pursuant to G. S. 113A-57 (3) provisions for a ground cover sufficient to restrain erosion must be provided for any portion of a land-disturbing activity in a HQW zone within 15 working days or 60 calendar days following completion of construction or development, whichever period is shorter. (3) All siltation and erosion control devices shall be properly maintained until no longer needed. (4) On projects performed by D. O. T. Maintenance Forces, request will promptly be,made to the Division Roadside Environmental Unit for stage and permanent seeding. (5) Any removal of siltation devices will be based on the condition of established ground cover of that area the device is serving. HIGH QUALITY WATERS 1. Uncovered areas are limited at any given time to a maximum total area of 20 acres. 2. Erosion and sedimentation control measures shall be designed to provide protection from the 25-year storm. 3. Large Type-A basins shall be designed and constructed with a settling efficiency of at least 70% for the 40 micron soil particle size transported by runoff from the 2-year storm. 4. Newly constructed channels shall be constructed with side slopes no steeper than 2:1, unless slopes are to be stabilized by methods other than vegetation 5. Aground cover sufficient to restrain erosion must be provided for any disturbed area. NOTES FOR EROSION CONTROL PLAN • Each Section Under Construction Shall be Seeded and Mulched Within 30 Days After Grubbing Begins (Per STEP # 7 of the Erosion Control Design). See Phasing Sheet on Next Page for Section Layouts. • 9' X 3' X 2' Temporary Rock Sediment Dam, Tvue-B Used at Most ALL Locations as Shown. ALL are Greater Than or Equal to the Required Storage Given in STEP # 7 of the Designer Spreadsheet. Please Pay Close Attention to the Sizing, Some TRSD-B's are Greater in Size. All TRSD-B's are Designed on a 3 to 1 Length to Width Ratio. • If a Temporary Silt Ditch is Used in Place of Temporary Silt Fence, Then ALL Rock Silt Checks Type B & A Need to be Placed in TSD Per STEP # 3 & 5 (Respectively) of the Erosion Control Designer Spreadsheet. • Outlet Devices Along Silt Fence May Need to be Relocated Only to be Placed in the Low Point of Fill Section or to the Most Appropriate Location in the Field. More Outlets Devices may need to be Installed Along Silt Fence in Accordance with the Topography of the Construction Limits. • ALL Pipe Locations May Slightly Vary Due to Any Grade Changes in the Proposed Roadway. • ALL Temporary Rock Sediment Dams Shall Have Core Fiber Baffles Placed According to Specifications. / 0' to 10' Long will need 1 Baffle / 10' to 20' Long will Need 2 Baffles / 20' and Longer will need 3 Baffles • If You Have Questions Pertaining to the Erosion Control Design Contact David Wayne at (336) 903- 9140 or Scott Pipes (336) 679-3427. • Again Note that Entire Design is Based Around a 30 Day Construction Effort. Phasing IS CRITICAL. SR 1613A South Laurel Fork Road Ashe County Erosion Control Designer Sections See Attached Erosion Design Program Left L or Right R Descri ption Percent Grade Ditchliner Re uirements Section 1 L From Station 0+50 To Station 3+00 6.40% See Ditchliner Lists Section 2L From Station 3+00 To Station 7+75 5.47% See Ditchliner Lists Section 3L From Station 7+75 To Station 10+00 0.44% See Ditchliner Lists Section 4L From Station 10+00 To Station 13+25 0.62% See Ditchliner Lists Section 5L From Station 13+25 To Station 16+25 2.33% See Ditchliner Lists Section 6L From Station 16+25 To Station 24+g0 6.13% See Ditchliner Lists Section 7L From Station 24+90 To Station 28+77 2.33% See Ditchliner Lists Section 8L From Station 28+77 To Station 29+75 1.02% See Ditchliner Lists Section 9L From Station 29+75 To Station 31+50 5.14% See Ditchliner Lists Section 10L From Station 31+50 To Station 37+60 6.07% See Ditchliner Lists Section 11L From Station 37+60 To Station 41+92 5.32% See Ditchliner Lists Section 12L From Station 41+92 To Station 45+00 3.90% See Ditchliner Lists Section 13L From Station 45+00 To Station 47+g8 5.90% See Ditchliner Lists Section 14L From Station 47+88 To Station 50+00 0.47% See Ditchliner Lists Section 15L From Station 50+00 To Station 52+75 0.73% See Ditchliner Lists Section 16L From Station 52+75 To Station 55+00 0.89% See Ditchliner Lists Section 17L From Station 55+00 To Station 61+54 7.03% See Ditchliner Lists Section 18L From Station 61+54 To Station 63+70 6.48% See Ditchliner Lists Section 19L From Station 63+70 To Station 64+00 EOP 3.33% See Ditchliner Lists Section 1 R From Station 0+50 To Station 3+00 6.40% See Ditchliner Lists Section 2R From Station 3+00 To Station 7+75 5.47% See Ditchliner Lists Section 3R From Station 7+75 To Station 10+00 0.44% See Ditchliner Lists Section 4R From Station 10+00 To Station 13+25 0.62% See Ditchliner Lists Section 5R From Station 13+25 To Station 16+25 2.33% See Ditchliner Lists Section 6R From Station 16+25 To Station 24+90 6.13% See Ditchliner Lists Section 7R From Station 24+90 To Station 28+77 2.33% See Ditchliner Lists Section 8R From Station 28+77 To Station 29+75 1.02% See Ditchliner Lists Section 9R From Station 29+75 To Station 31+50 5.14% See Ditchliner Lists Section 10R From Station 31+50 To Station 37+60 6.07% See Ditchliner Lists Section 11 R From Station 37+60 To Station 41+g2 5.32% See Ditchliner Lists Section 12R From Station 41+92 To Station 45+00 3.90% See Ditchliner Lists Section 13R From Station 45+00 To Station 47+8g 5.90% See Ditchliner Lists Section 14R From Station 47+88 To Station 50+00 0.47% See Ditchliner Lists Section 15R From Station 50+00 To Station 52+75 0.73% See Ditchliner Lists Section 16R From Station 52+75 To Station 55+00 0.89% See Ditchliner Lists Section 17R From Station 55+00 To Station 61+54 7.03% See Ditchliner Lists Section 18R From Station 61+54 To Station 63+70 6.48% See Ditchliner Lists Section 19R From Station 63+70 To Station 64+00 EOP 3.33% See Ditchliner Lists Project Phasing Sections to be Completely Contructed in 30 Days to Meet the Erosion Control Designer Requirements Section 1 From Station 0+00 To Station 9+40 Section 2 From Station 9+40 To Station 16+25 Section 3 From Station 16+25 To Station 24+90 Section 4 From Station 24+90 To Station 31+50 Section 5 From Station 31+50 To Station 37+60 Section 6 From Station 37+60 To Station 41+92 Section 7 From Station 41+92 To Station 47+88 Section 8 From Station 47+gg To Station 55+00 Section 9 From Station 55+00 To Station 61+54 Section 10 From Station 61+54 To Station 64+00 (EOP) Sections Listed Above Do Not necessarily have to be Contructed in this Sequence, however will need to Maintain SR 1613A South Laurel Fork Road Ashe County ER~SI®1®C C()l~'I'~.®L I)~~'.~.II..,~ Al~I~ ~~~CI~'IC~.TI~I~~ STANnARp D ~'SCIZII"TTXON SYMBOL 462.01:~~~G7;1:ori).....Rip Itap FiII Slope Protection ...............: 876.04 ....................Itip Rap Lined Ditch........................... _.....ir{~ 1060.0$:~5~~~?.QA)...Matting fior Erosion Control .......................... ~/~jv ~ ~ .. 1605.01 ..................Ternporary Silt Fence ........................_...---•• ...~„_ 1606.01 ..................Special Sediment Control fence...................... ~ 1622.UI ..................TemporarySlope Draiut................................ 1630.02 ...................SiltBasin Type B........................_:.......... ~ 1630.03 ...................Temporary Silt Ditch.................................: TS D---- 1630.04 ...................Siilling Basin........................................... (~ 1630.OS ..................Temporary Diversion..._........................_..... TD`~- 1632.01 .............:. Rook Inlet Sediment Tra T o-A.......:.......... ;'~" oR '• n .... p ~ .D= ~ _ ]632.02 ...................Rockinlet Sediment Trap Type•B................. T-t 1632.03......:....~........TZock Inlet Sediment Trap Type-C ..................: ©; oQ -~ c 1633.0] ...................'T`emporary Rook Silt Check Type-A.._..._...,... Iii 1633.02 ...................Temporary Rock Silt Check Type-T3............... 1634.OT ...................Temporary Rock Sediment Dam Type-A.......... 1634.02 ............ ........Temporary Rock Sediment Dam Type-B ........ ~ 1635.01 ....................Roc1c Pipe Inlet Sediment Trap Type-A.. ......... p,.( J.' 1635.U2 ...................Rock Pipe Inlet Sediment Trap Type-8............8 ;~; ]636.01.._.._..............R.ock Silt Screen ............................. ...........~: . . Small Sireami or I3rancl~ ............................................................. _.__3-_ _ _ --~ Pipe Uuflet )Jnergy Dissipater ......................... ~ m is~~ IMPOL7TANT i!i NOTF_S ON Ff~ONT P%GE OF Ef~OSION N L L ANTT~ L Y H U H L/ l1C.005035 (R/WJ PROJECT: llC.U05/08 (CONSTJ ROAD: SR l6/3 f~ (SOUTH LAUREL FORK ROADJ COUNTY: ASHE TYPE: GRADE, DRAIN, BASE, AND PAVE (l.2/ MlJ SCALE: l" = 50' SHEET l OF l3 ATE: l /25 /OS ~ ~ ~ n _ • ~ 0 0 0 N R/W BLUE R DGE PARKWAY OPERTY ° 9 x 3 x yWE 9 x3 x2 1 B LE 2' WEIR 1 BAFF r C rn ~ A A x 6.40 % x ~ o~ SR 1613 A SOUTH LAUREL F RK RD. 00 N r r ~~ CCRR ~~ CRRC ~~ ~ r r n ~ ~ \ ` ` ' „ 30 X 5 ~ ~ / 2x4 x2 3' WEIR ~ 9 x 3 x 2 2' WEIR 2 BAFFL 1 GAFF NO R/W BLUE R/DGE PARKWAY PROPERTY IM/~OF~TANT 1!i NOTES ON Ff~ONT PAGE OF EF~OSION N L LAN L U U llC.005035 (R/W ) PROJECT: l1C.005/OS (CONST) ROAD: _ _ SK l6/3 A (SOUTH LAUREL FORK ROAD) COUNTY: ASHE TYPE: GRADE, GRAIN, BASE, AND PAVE (l.2/ Ml) SCALE: I" = 50' SHEET 2 OF l3 ATE: l /25 /OS ~ ~ ~ y y ~ n ~ n n ~ ~ rn ~ ~ ° NO R/W B ~ E RIDGE PAR~W AY PROPERT ° 9x3 x2 9x3 x 2' WEIR 2' WEIR 1 GAFF 1 GAFF ~~ X 5.47 °. o0 R l6/3 SO TH[LfAfURELr FORK[~RDf. (r [;_(f r [~f RR\,`\~`~RR\"~\`RR\1`\ ~RR\~~\1\\~ ~ -° 5" SP 25 X 15 CSP 25 X 15 CSP ~ 9x3 x2 ~ 2' WEIR T 1 BAFFLE rn n 0 0 ~/ IMPOF TANT ~!i NOTES ON Ff~ONT PAGE OF Ef~OSION LAN H U U ~ ~ ~ ~ ~ ~ ~ n n n n ~ ~ O ~ N L.I -A O ~ O ~ ~ ~ O O O O O O 9 x3 x2 2' WEIR ?. 1 BAFFLE i nl R7 J+. O 0.44 % 0.62 % x SR l6/3 A SOUTH LAUREL FORK RD. ao l l 1 1SR~~l]6 3 11 RRJ~J'JJ 9x3 x2 ~ 2' WEIR ~` T~ 7 BAFFLE 1 I B K P T o 0 0 l1C.005035 lR/WJ PROJECT: l1C.005/08 (CONST 1 ROAD: SR l6/3 A (SOUTH LAUREL FORK ROADJ COUNTY: ASHE TYPE: GRADE, DRAIN, BASE, AND PAVE (l.2/ MlJ SCALE: l" = 50' SHEET 3 OF l3 AT E: l /25 /08 IMPORTANT ~!~ NOTES ON FRONT PAGE OF EROSION N L LAN L h~ U f/ U A A A ~ A A 0 c i o~ ~ oo ~ 0 0 0 0 0 0 0 0 0 0 0 9 x3 x2 2' WEIR 1 BAFFLE n A 2.33 % ~ 6.13 6 A 3 S OU TH LAU REL FORK RD SR l6/3 A SOUTH LAUR FORK RD. E L 1, ~ ~ I 1 IJJJ~~J~ 11~] J~ 1 ~ 11 ~ ~ RR l ~~ ~ 1 l 1 l I 1 ~ ~ 1 1l ~ ~~ ~~ ~~~~ ~~~ ~ JJJJ/J J J J J l IJJ JJJJ ~ 9 x3 x2 r T 2' WEIR 1 BAFFLE ~ 1 l1C.005035 (R/W) PROJECT: l1C.005/08 (CONST) ROAD: SR l6l3 A (SOUTH LAUREL FORK ROAD) COUNTY: ASHE TYPE: GRADE, DRAIN, BASE, AND PAVE (l.2/ Ml) SCALE: l" = 50' SHEET 4 OF l3 ATE: l /25 /OS IMPORTANT 1.!i NOTES ON Ff~O/VT PAGE OF EF~OSION N L LAN L H U h' U ~ ~ A n n n _ O O ~ N W NA O O O O O O O O O O O 12 x4 x2 3' WEIR 2 BAFFLE n 6.13 SR / 6/ 3 A S OU T H LA UREL FORK RD. ~~~ ~ ~ ~~~ ~ ~ 1~ 1 1 1 ~ 1 1 1 1 1 1 ~ 1 1 1~ 1 1 1~ 1 1 1 J~7 J~7~~ 1 t~'1 11 1 1 1 ~ ~'~7~1 1 1 J~~~ ~7 ~ I r Z Z ~ ~ l1C.005035 (R/W) PROJECT: /1C.005/OS (CONSTI ROAD: SR l6/3 A (SOUTH LAUREL FORK ROADI COUNTY: ASHE TYPE: GRADE, DRAIN, BASE, AND PAVE (l.2/ Ml1 SCALE: l" = 50' SHEET 5 OF l3 ATE: l /25 /OS r IMPORTANT i!i NOTES _ ON FRONT PAGE- OF EROSION L L AN~PPL) H H L/ n ~ ~ n o° °o °o °o °o °o 12 x 4 x 2 9 x 3 x 2 2' WEIR 3' WEIR 1 BAFFLE 2 BAFFLE A O x 2.33 % a-~-~ N SR l6/3 A SOUTH LAUREL FORK RD. q N 20' CSP RR 9x3 x2 ~~~ ~ 15 x5 x2 2'WEIR '~~ 9 3x 3' WEIR 1 BAFFLE IR rn 2 BAFFLE ~ 1 LE B K P T A N v PROJECT: llC.~_%U`~035 lIC.U, X5/08 (R/Wl (CONST) ROAD: _ SR l6/3 A ~SOUT f f LAUREL FORK ROAD) COUNTY: ASHE TYPE: GRADE, GRAIN, BASE, AND PAVE (l.2/ Ml1 SCALE: I" = 50' SHEET 6 OF l3 ATE: l /25 /OS v IMP0.9TANT ~!~ NOTES ON FFlONT PAGE O,~ Ef~OSION N L L AN3~A L Y U H U ~ ~ ~ ~ ~ ~ A n n A n ~ 0 0 ° 0 0 0 0 0 ° 0 0 0 9x3 x2 9x3 x2 2' WEIR 2' WEIR 'F'~~' 1 BAFFLE 7 BAFFLE %'~ ~I ~;~ o ~ C ~ '~ O 1.02 % 5.14 SR l6/3 A SOUTH LAUREL FORK RD. S RR E-KRR ~ C ~ ~, RR) ~ RR) 25' X ~ ~ /~ RR> ~ RR) ~~~ RR> )~)~ RR, )~ RR~ > ~ CSP 9 x 3 x 2 ~ 3 x 2 2' WEIR ~ IR 1 BAFFLE T 1 LE I f B K P T n iv ~n l1G005035 (R/W ) PROJECT: llC.Ou5108 (CONSTJ ROAD: SR lbl3 A (SOUTH LAUREL FORK ROAD) couNrr: ASHE TYPE: GRADE, GRAIN, BASE, AND PAVE (l.2/ Ml) SCALE: l" = 50' SHEET 7 OF l3 ATE: 1 /25 /08 IMPOf~TANT i!~ NOTES ON Ff~O/VT PAGE OF Ef7OSION N L L AN3' L h' U ~ y y ~ ~ ~ n n n n ~ ~ ~ vii rn v oc.,,lo ~ O O O o O o 1z x4 x2 3' WEIR 2 BAFFLE ~~2~ 6.07 X J SR l6/3 A SOUTH LAUREL FORK RD. ~ SR l6/3 A SOOT L »RR>)')>RR)> >,RR,),>)RR)) '>)RR» ))RR,> ~ ~~RR,»~RR 25~ ~ ~ CSP 1z x 4 x z rn ' ~ ~ T 3 WEIR 2 BAFFLE ~ ' I l1C.005035 (R/W) PROJECT: UC.005/08 (CONST) ROAD: SR l6/3 A (SOUTl~ LAUREL FORK ROAD) COUNTY: ASHE TYPE: GRADE, GRAIN, BASE, AND PAVE (l.2/ Ml) SCALE: l" = 50' SHEET 8 OF l3 ATE: l /25 /OS IMPOF>'TANT ~!~ NOTES ON Fi9ONT PAGE OF Ef~OSION N L LAN L H U h' L/ ~ n ~ ~ ~ n ~ ~ ~ w ~o ~ o -r> .~, N ~ -p n ~ ° ~ ° ~ ° 0 0 0 0 0 0 12 x4 x2 3' WEIR 2 BAFFLE RE c `I ~~ cRFF~ --- =~' ~ ~I X 5.32 % ~ 3.90 LAUREL FORK RD. SR l6/3 A SOUTH LAUREL FORK R . ~~]~ l l l ~J~7R JJl RR~I ~~RR,I~ 1 ~ ~ ~RR~ ~ ~ ~ J !Jl 20' X 15" CSP \ 9x3 x2 ' ~ 2 WEIR 1 BAFFLE \ T f I PROJECT l1C.005035 lR/W1 : llC.U05/08 (CONST 1 ROAD: SR l6/3 A (SOUTH LAUREL FORK ROAD) COUNTY: ASHE TYPE: GRADE. GRAIN, BASE, AND PAVE (1.21 Ml1 SCALE: l" = 50' SHEET 9 OF l3 ATE: l /25 /08 IMPOf~TA/VT l!~ NOTES ON F/~ONT PAGE OF Ef70SION w N L LAN L Y H U h' U n ~ n ~ n ~ ~ ~ ~ rn ~ ~ ~ 0 0 0 0 0 0 0 0 0 0 0 0 9 x3 x2 9 z3 x2 2' WEIR 2' WEIR 1 BAFFLE ' ,~ 1 BAFFLE y ~ ,~ n ~, rn 0 a 5.90 % n 0. SR l6/3 A SOUTH LAUREL FORK RD. ~ r„ y a ~ ~ 30' SP ;~ 9x3 x2 9x3 x2 9x3 x2 ~ 2' WEIR 2' WEIR ~ 2' WEIR ~ T~ 1 BAFFLE 1 BAFFLE 1 BAFFLE ' I rn B K P T y -A v l1C.005035 (R/W) PROJECT: l1C.005/08 (CONST) ROAD: SR l6/3 A (SOUTH LAUREL FORK ROADI COUNTY: ASHE TYPE: GRADE, ORAIN, BASE, AND PAVE (l.2/ Ml) SCALE: l" = 50' SHEET l0 OF l3 ATE: l /25 /08 IMPOf~TANT ~!~ NOTES ON Ff~ONT PAGE OF Fi9OSION N L LAN L Y ~/ U H U A 0 0 IA ~ ~ n n + ~~ o ~ °o ° ~~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ WETLAND ~ ~ ~ oo Nor asruRe .. l1C.005035 (R/W1 PROJECT: //C.005/08 (CONST) ROAD: SR l6/3 A (SOUTH LAUREL FORK ROAD) COUNTY: ASHE TYPE: GRADE, DRAIN, BASE, AND PAVE l1.2/ Mll SCALE: l" = 50' SHEET 11 OF l3 ATE: l /25 /OS ~ ~ ~ ~ n ~ ~ N w + + + ° ° ° o o o 9 x 3 x 2 9 2 3 x 2 2' WEIR 1 BAFFLE 2' WEIR 1 BAFFLE .-. -~ I I 0.47 % 0.73 % ~~ I ~ O.d SR /6/3 A H LAUREL FORK RD. 9 x 3 x 2 9 x 3 x 2 2' WEIR 2' WEIR ~ 1 BAFFL BAFFLE B K P T 0 0 0 IMPOf~TANT ~!i NOTFS ON FF'ONT PAGE OF Ef~OSION .,- /l/ L LAN A L h' U H L/ ~ ~ ~ y ~ y n n p ~ ~ ~ 0 0 0 0 0 0 0 0 0 0 0 0 ~ ~ ~ ~ 0.89 % 7.03 % 7.03 SR /6/3 A SOUTH LAUREL FORK RD. »-RR),',>RR)>'~>RR ))RR>) ~)>RR~~))RR~I-~-~~,)RR) > >) )) Z Z ~ ~ B K P T 0 0 l1C.005035 (R/Wl PROJECT: /1C.005/08 (CONST) ROAD: SR l6/3 A (SOUTH LAUREL FORK ROAD) couNrY: ASHE TYPE: GRADE, DRAIN, BASE, AND PAVE (l.2/ Ml) SCALE: I" = 50' HEFT l2 OF l3 ATE: l /25 /08 - - ` IMPORTANT ~!i NOT_ES ON FfIONT PAGE OF Ef~OSION r N L L AN3`-~ ~ ~ ~ ~ n n n ~ ~ ~A ~ o° rn rn rn o~ 0 0 ~ ~ O O ° p o _ _ wocF ea ----~ 9x3 x2 2' WEIR 1 BAFFLE C ~~ r, ~~ EXIST/NG O ~ X TO BE DES ED~~ ~ ~ " 6.48 % ~, 3.33 SR l6/3 A SOUTH LAUREL 11FO11R~~K RD. z ~RR~~ ~RR~O'X SP ~~~ ~RR~ J~ ~~ 'f `, ~ 15 x5 x2 ~~ ~ 3' WEIR 9 x 3 x 2 ~ 2 BAFFLE 12EAFF E ~1~ nl ~ ~'', P llC.D05035 lR/W) ROJECT: l1C.005/08 (CONST) ROAD: SR l6/3 A (SOUTH LAUREL FORK ROAD) COUNTY: ASHE TYPE: GRADE, GRAIN, BASE, AND PAVE (l.2/ Ml) SCALE: l" = 50' HEFT l3 OF l3 ATE: l /25 /08 Ditchliner List for Erosion Control Plans SR 1613A (South Laurel Fork Road) Ashe County From Station To Station Left/Ri ht Ditchliner 0+00 0+50 Ri ht Mattin for Erosion Control 0+50 7+75 Ri ht Ri Ra 7+75 13+25 Ri ht Mattin for Erosion Control 13+25 24+90 Ri ht Rip Rap 24+90 28+77 Ri ht Mattin for Erosion Control 28+77 41+92 Ri ht Rip Rap 41+92 55+00 Ri ht Mattin for Erosion Control 55+00 61+54 Ri ht Rip Rap 61+54 64+00 Ri ht Mattin for Erosion Control Pipe List for Erosion Control Plans SR 1613A South Laurel Fork Road Ashe County Pie Station Size Class CSP Remarks 1 0+50 40' x 18" T e-B Re lace 2 3+00 40' x 18" T e-B Re lace 3 4+00 30' x 15" Plain Add 4 4+75 25' x 15" Plain Re lace 5 7+50 25' x 15" Plain Add 6 7+75 50' x 18" T e-B Re lace 7 13+25 40' x 18" T e-B Re lace 8 16+25 40' x 18" T e-B Re lace 9 24+90 40' x 18" T e-B Re lace 10 28+77 75' x 36" Type-B Replace 11 31 +25 25' x 15" Plain Add 12 31+50 40' x 18" Type-B Replace 13 37+30 25' x 15" Plain Add 14 37+60 40' x 18" Type-B Replace 15 41+92 50' x 18" Type-B Replace 16 43+10 20' x 15" Plain Add 17 45+00 40' x 18" Type-B Replace 18 45+60 30' x 15" Plain Add 19 47+88 60' x 24" Type-B Replace 20 52+75 40' x 18" Type-B Replace 21 60+00 30' x 15" Plain Add 22 61 +54 50' x 24" Type-B Replace 23 62+81 30' x 18" N/A Delete 24 63+70 75' x 18" Plain Replace ` '~=-~~ ~j , a tau 1 ~IORrk ~' ~;.~;tin~ Road - . . , ~ ~ -'- - - - _ _ ScAl.~ 1=30 ... _ • tievs Rcad N _-- $ PropQSed ~' _ ~ •~----- -~-----I ~;,~-a~g Fipe - i I - - - 1 =-----~ -1' L ~O 'yew Pipe ~ +° -~'+ _ ~ - r . ~ t • • -- •Sc-aL~,~~=--~~:=~=-•r~o-=N,~n~~~.- ~~~a• 7o.U~o~F Rrh~- ~LAt„~-:~-Q_ ~• -_. -`- 1 1 1 1 1 1 1 hl i-I I"1 -: I l l l l l l l i l l l l i l l l l I 1 I I I: 1 1: 1 1 1 1 1 1 1 1 1 1 1 1 •: I I 1 1 1! 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