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HomeMy WebLinkAbout20011387 Ver 1_Complete File_20010917State of North Carolina Department of Environment and Natural Resources Division of Water Quality 11 4 4A Michael F. Easley, Governor NCDENR William G. Ross, Jr., Secretary NORTH CAROLINA DEPARTMENT OF Gregory J. Thorpe, Ph.D., Acting Director ENVIRONMENT AND NATURAL RESOURCES November 16, 2001 Columbus County DWQ Project No. 011387 APPROVAL of 401 Water Quality Certification Mr. T.R. Gibson, P.E., Division Engineer NCDOT, Division 6 PO Box 1150 Fayetteville, NC 28302 Dear Mr. Gibson: You have our approval, in accordance with the attached conditions and those listed below, to place fill material in 60 linear feet of streams for the purpose of replacing a Bridge 36 with a culvert on SR 1164 in Columbus County. The project shall be constructed in accordance with your application dated September 13, 2001. After reviewing your application, we have decided that this fill is covered by General Water Quality Certification Number 3289. This certification corresponds to the Nationwide Permit Number 14 issued by the Corps of Engineers. In addition, you should 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 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 of 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 remain valid, you must adhere to the conditions listed in the attached certification. 1.) Upon completion of the project, the NCDOT shall complete and return the enclosed "Certification of Completion Form" to notify DWQ when all work included in the 401 Certification has been completed. The responsible party shall complete the attached form and return it to the 401/Wetlands Unit of the Division of Water Quality upon completion of the project. 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 that conforms to Chapter 150B of the North Carolina General Statutes to the Office of Administrative Hearings, P.O. Box 27447, Raleigh, N.C. 27611-7447. This certification and its conditions are final and binding unless you ask for a hearing. Wetlands/401 Unit 1650 Mail Service Center Raleigh, North Carolina 27699-1 62 1 Telephone 919-733-1786 FAX 733-9959 An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post consumer paper State of North Carolina Department of Environment and Natural Resources Division of Water Quality Michael F. Easley, Governor William G. Ross, Jr., Secretary Gregory J. Thorpe, Ph.D., Acting Director NCDENR NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES 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 contact John Hennessy at 919-733-5694. Attachment cc: Wilmington District Corps of Engineers Corps of Engineers Wilmington Field Office DWQ Wilmington Regional Office File Copy Central Files c:\ncdot\SR 1164\wqc\011387wgc.doc Wetlands/401 Unit 1650 Mail Service Center Raleigh, North Carolina 27699-1621 Telephone 919-733-1786 FAX 733-9959 An Equal Opportunity Affirmative Action Employer 50% recycled/10% post consumer paper M STATE OF NORTH CAROLINA DEPARTMENT OF TRANSPORTATION MICHAEL F. EASLEY. LYNDO TIPPETT GOVERNOR SECRF.TARY SEP'rEMBFR 13, 2001 NCDENR Division of Water Quality John Hennessy 01 13 g 7 2321 Crabtree Blvd. Suite 250 Raleigh, NC 27604-2260 RE: USACE NWP# 14 / NCDENR 401 WQC 3289 General Certification Bridge to Culvert Replacement - Bridge #36 SR 1164 - Columbus County Tip Project No. B-3145 Dear Mr. Hennessy: Enclosed, please find seven copies of a Pre-Construction Notification for a bridge to culvert replacement along SR 1164 in Columbus County and a $200.00 check (Warrant #7196). The project will be completed in accordance with General Certification No.3289. This project is within the Lumber River Basin. If you should have any questions or comments regarding this notification, please feel free to contact me. Sincerely U ?ws Jame J. Rerko, PWS PA VEN T Division 6 Environmental Officer RECEIVED P. O. Box 1150, Fayetteville, NC 28302-1150 -'relephone (910) 486-1792 -Fax (910) 486-1959 5 STATE OF NORTH CAROLINA DEPARTMENT OF TRANSPORTATION MICHAEL F. EASLEY GOVERNOR September 12, 2001 U.S. Army Corps of Engineers Wilmington Regulatory Field Office P.O. Box 1890 Wilmington, North Carolina 28402-1890 ATTN: Mr. Richard Spencer NCDOT Coordinator Dear Sir: W. LYNDO TIPPETT SECRETARY 01 1387 Subject: Notification for Nationwide Permit 14 Road Crossing Bridge Replacement SR 1164-Columbus County TIP Project- B3145 The North Carolina Department of Transportation (NCDOT) proposes to replace a Timber / Concrete bridge structure along SR 1164 in Columbus County. The existing bridge structure (36 foot span x 24 foot width) is beyond repair and will be replaced with twin 120 inch CSP's. Minimal impacts are proposed as the result of this project, which is necessary to maintain SR 1164 to current safety standards. RESOURCE STATUS A Wetland Delineation / Natural Resource Inventory was conducted within the Right-of-Way of SR 1164 in Columbus County, North Carolina. Within the area of disturbance the approach slopes along the stream are steep and thus do not provide conditions conducive for wetlands. Jurisdictional wetlands were not identified within the proposed Right-of-Way. The proposed culverts will be installed within the stream banks of Big Pond Branch. Big Pond Branch is a small stream swamp (blackwater type). Though the enclosed photos depict a more brownwater type of stream, it is due to rainfall prior to the site visit. Headwaters to Big Pond Branch originate at Big Pond Bay about 2.4 miles to the northwest of the project site. Big Pond Branch then flows 1.25 miles south to its confluence with Beaver Pond Swamp. At the time of the field visit, Big Pond Branch had a typical stream width of 3.6 m (12 ft) and a variable water depth. Flow was very slow and difficult to detect speed and direction, however, the current was I'. O. Box 1150. Favetteville, NC 23302-1150 - Telephone (9I0) 486-1792- Fax (910) 486-1959 n more apparent on the down stream side of the bridge. In disussions with L.L. Upole,P.E. Division 6 Bridge Engineer, he was confident that the installation of the Turbidity Curtain would eliminate concerns for sedimentation from the site. The use of the Turbidity Curtain is due to an overhead utility line which stretches overhead of the project area. With a predominantly sand substrate, sedimentation will be kept to a minimum. Dewatering of the project will not be undertaken. Also, the side slopes will be protected by rip- rap stone with a geotextile fabric liner. In general, there will be minor impacts proposed as the result of the replacement of Bridge #36 along SR 1164 in Columbus County. Approximately 60 linear feet/ 720 sq ft of stream impacts are expected. A Nationwide Permit #14 is required for the project due to the placement of the culvert crossing. Endangered Species: Plants and animals with Federal classification of Endangered (E) or Threatened (T) are protected under provisions of Section 7 and Section 9 of the Endangered Species Act of 1973, as amended. As of February 26, 2001, the U.S. Fish and Wildlife Service lists six federally protected species for Columbus County. Federall Protected Species for Bladen Count SCIENTIFIC NAME COMMON NAME STATUS Acipenser brevirostrum Shortnose sturgeon E Alligator mississippiensis American alligator T (S /A) Picoides borealis Red-cockaded E Meidia extensa Waccamaw silverside T Lysimachia asperuladblia Rough-leaved E loosestrife Thalictrum cooleyi Cooley's meadowrue E "E" denotes Endangered (a species that is in danger of extinction throughout all or a significant portion of its range). T(S/A)- Threatened due to similarity of appearance, a species that is threatened Due to similarity of appearance with other rare species and is listed for its Protection. These species are not biologically endangered or threatened and Are not subject to Section 7 consultation. A biological conclusion of "No Effect" was reached for all species during the July 26, 2001 survey for protected species. Protected species were not identified, nor, was the general habitat for each species identified. REGULATORY APPROVALS Application is hereby made for a Department of the Army Nationwide Permit 14 as required by the above-described activities. No impacts shall occur to jurisdictional wetland areas, and as such, wetland mitigation is not required. If you should have any questions, or, need additional information please contact James J. Rerko, PWS at (910) 486-1792. incerely Jame J. Rerko, PWS Division 6 Environmental Officer ATTACHMENTS CC: John Henessey (DWQ) Tom McCartney (FWS) L.L. Upole, P.E. DBE Ken Murphy, P.E. DME Office Use Only: USACE Action ID No. DWQ No. rForm Vcrsion April 2001 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: 3. If this notification is solely a courtesy copy because written approval for the 401 is not required, check here: ? NWP #14 Certification 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 Owner/Applicant Information Name: T. R. Gibson P. ,.[NCDOT/Div 6/Division Engineer Mailing Address: P.O. Box 1150 Fa etteville NC 28302 Fax Number: 910-486-1959 Telephone Number: 910-486-1493 E-mail Address: t ibson Mot.state.ne.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: James J. Rerko PWS. 7777-7- Company Affiliation: NCDOT/Div 6/Division Environmental Office Mailing Address: same Fax Number: 910-486-1959 Telephone Number: 910-486-1472 E-mail Address: "r ,rkondotMate.ne.us Page l of 9 III. Project Information Attach a vicinity map clearly showing the location tdetP ed site plan showing property landmarks such as towns, rivers, and roads. Also provide a properties. Both the vicinity map boundaries and development plans in relation to surrounding prop ngs, and site plan must include a scale and north arrow. ed The specific the maps and planslshould impervious surfaces, or other facilities must be Map and NRCS Soil Survey with the property include the appropriate USGS Topographic Q be included at the applicant's discretion, boundaries outlined. Plan drawings, or other maps may purposes, the so long as the property is clearly defined. For administrative and distribution pure 7-inch forma USACE requires information to be submitted on sheets no larger than I I b size construction however, DWQ may accept paperwork of any size. DWQ prefers size plans are drawings rather than a sequential sheet version of illegible, full-size the applicantlwill be informed that reduced to a small scale such that the final version the project has been placed on hold until decipherable maps are provided. 1. Name of project: Brid a 436 / SR 1164 2. T.I.P. Project Number (NCDOT Only): B-3145 3. Property Identification Number (Tax PIN): 4. Location Nearest Town: Whiteville County: Columbus Subdivision name (include phase/lot number): NIA Directions to site (include road numbers, landmarks, etc.): 0.45 mile east of intersection of SR1161 and U.S. 701 alone S U164 34°15'03"N 78°34'35"W 5. Site coordinates, if available (UTM or Lat/Long): (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 waterbdy ) 6. Describe the existing land use or condition of the site at the time of this application: Rural Secondarv Road 7. Property size (acres): Less than 1.0 Ac. 8. Nearest body of water (stream/river/sound/ocean/lake): Bi Pond Branch 9. River Basin: Lumber 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 2 of 9 35 ft span timber 10. Describe the purpose of the proposed work: Remove Deteriorating /concrete bridge and replace with twin-Off 120 inch CSP's with aluminum headwalls 11. List the type of equipment to be used to construct the project: Trackhoe Excavator fnr demolition and removal and truck erine to lift pipes and headwall into place 12. Describe the land use in the vicinity of this project: Rural/A ricultural IV. Prior Project History if jurisdictional determinations and/or permits have been requested and/or obtained Includes project (including all prior phases of the same subdivision) in the past, pleas explain. date, and date permits and the USACE Action ID Number, DWQ Project Number, application certifications were issued or withdrawn. Provide photocopies useof previously wetly ssu sdtre errmi?d certifications or other useful information. Describe previously approved ect, buffer impacts, along with associated mitigation (where applicable). IT Ihis i project, COT p oje th list and describe permits issued for prior segments construction schedules. Jurisdiction determination b Richard S encer COE Jul 23 2001 V. Future Project Plans ibe the of future? Are any additional permit requests anticipated for this current anticipated work, and provide justification for th application: None 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 Page 3 of 9 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 etland Impact Area of Located within ** Distance to of Wetland*** Site Number Type of Impact* Impact 100-year Floo plain Near e t feet ream Type indicate on ma acres es/no lin N/A * t limited List each impact separately and identify temporary impacts. Impacts include, but are no to: mechanized clearing, grading, tu?, excavation, flooding, ditching/drainage, etc. For dams, separately list impacts due to both structure and flood?surance Rate Maps •* 100-Year floodplains are identified through the Federal Emergency Management Agency's (FEMA) (FIRM), or FEMA-approved local floodplain maps. Maps are available through the FEMA Map Service Center at 1-800-358-9616, or online at http1/xvww, 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: 0 ae Total area of wetland impact proposed: 0 ac List each impact separately and identify temporary impacts. Impacts include, but are not limited to: culverts and associated rip-rap, etc. If stream relocation is dams (separately list impacts dwell both structure and flood s?)°tc.) ? tea anon, ditch ng/straigh before stabilization activities (cement rip-rap proposed, plans and profiles showing the linear footprint for both the original and relocated streams must be include the nearest Stream names can be found on USGS topographic maps. If a stream has no name, list as UT (unnamed tributary) to downstream named stream into which it flows. USGS maps are available through the USGS at 1-800-358-961`6, o onltine at www usgLM. Several interact sites also allow direct download and printing of USGS maps (e.g., Ww V. tOP07on. coin, w??w matxtuest.a?m, etc.). Page 4 of 9 2. Stream Impacts, including all intermittent and perennial streams Cumulative impacts (linear distance in feet) to all streams on site: 60 LF 3. Open Water Impacts, including Lakes, Ponds, Estuaries, Sounds, Atlantic Ocean and any other Water of the U.S. Area of Type of Waterbody Open Water Impact Name of Waterbody Site Number lake, pond, estuary, sound, Type of Impact* Impact if applicable) ba ,ocean, etc. indicate on ma acres N/A I _J List each impact separately and identify temporary impacts. Impacts include, but are not limited to: till, excavation, dredging, flooding, drainage, bulkheads, etc. 4. Pond Creation impac If construction of a pond is proposed, associated wetland d ? o, sthe p p sedts should be should included above in the wetland and stream impact sections. be described here and illustrated on any maps included with this application. ? wetlands Pond to be created in (check all that apply): E] uplands stream 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 native, -impact financial viability of the project. The applicant mayNet=e n not drawings feasible. Alsordiscuss lo vrimpacts site layouts, and explain why these design options were minimized once the desired site plan was developed. If applicable, discuss construction techniques to be followed during construction to reduce impacts. Roadway crosses Bi Pond Branch. Existin time n?rro v flood deteriorated beyond repair. Steep overbanks along ilia Pond Branch create Page 5 of 9 VIII. Mitigation DWQ - In accordance with 15A NCAC 2H .0500, mitigation may be required by the NC impacts to Division of Water Quality for projects involving greater feet of total one impacts to perennial freshwater wetlands or greater than or equal to streams. USACE - In accordance with the Final Notice o h Issuance and Modification 2000, mitigation will be ?equired when Permits, published in the Federal Register on Marc _ are imal Factors necessary to ensure that adverse effects impact and aquatic ?elative value of the impacted including size and type of proposed propriate aquatic resource will be considered in determining acceptability op iape and practa d practicable mitigation as proposed. Examples of mitigation that may pp estaishing and maintaining but are not limited to: reducing the size of the project; such as streams and replacing losses of and/or upland vegetated buffers to protect open waters 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 tconcurrence shall be placed on he current guidelines for stream restoration incomplete. An applicant may also choose to review in DWQ's Draft Technical Guide for Stream Work in North Carolina, available at http://h2o.enr.state.nc.us/ncwetiands/strrnizide.lit m 1. Provide a brief description of the proposed mitigation limited to: s t location t(atta?hldirections as much information as possible, including, but /linear feet) and/or map, if offsite), affected stream and river basin, type and amount (acreage view, of mitigation proposed (restoration, enhancement, creation, or preservation), a plan 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. Miti ation not required. Page 6 of 9 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 nts reviewed and approved before it can be used to satisfy 401/Wetlands rUnit if paymentpintoathe will be notified early in the review process by NCWRP is available as an option. For additional information regarding the application mlitin. process for the NCWRP, check the NCWRP website ilibox on?? page lthree/and provide use of the NCWRP is proposed, please check the appropriate 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): IX. Environmental Documentation (DWQ Only) Does the project involve an expenditure of public funds or the use of public (federallstate/local) land? Yes ® No ? If yes, does the project require preparation of an environmental document pursuant SEPA)? requirements of the National or North NEPA/SEPA document Policy Act all the SEPA Note: If you are not sure whether 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 final 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 bust be shown th DWQ map, whether or not impacts are proposed to the buffers. Correspondence from Regional Office may be included as appropriate. Photographs may also be included at the applicant's discretion. Page 7 of 9 33 Will the project impact protected riparian buffers identified Bw0250 (Randleman 21Rules 3 .02and (Meuse), 15A NCAC 2B .0259 (T lease 1 se NC AC t )? Water Supply Buffer Requirements), I or oer u ?wered"yes", rovide the following information: Yes ? No 2 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. Impact Required Zone* Multiplier Miti ation s uare feet 3 1 1.5 Total * Zone 1 extends out 30 feet perpendicular from near bank of channel; Zone 2 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 all appropriatePmformation as Payment into the Riparian A NCAC 2Br .02Restoraton 42 or. 0260und). Please identified within XI. Stormwater (DWQ Only) the site. Describe impervious acreage (both existing and proposed) versus total ace ag and wetlands Discuss stormwater controls proposed in order to p downstream from the property. Erosion and sedimentation control plan will be in effect during construction. XII. Sewage Disposal (DWQ Only) ds and disposleio capacity (of the subject ac 1 y discharge) of Clearly detail the ultimate treatment metho ilab wastewater generated from the proposed project, or ava 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 8 of 9 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). None Applicant/Agent's ignature llate (Agent's signature is valid only if an authorizatio n letter from the applicant is provided.) US Army Corp s Of Engineers Field Offices and County Coverage Asheville Regulatory Field Office Alexander Cherokee [redell Mitchell US Army Corps of Engineers Avery Clay Jackson Polk 151 Patton Avenue Buncombe Cleveland Lincoln Rowan Room 208 Burke Gaston Macon Rutherford NC 28801-5006 Asheville 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 0 Union Watauga Yancey Wilson Yadkin *Croatan National Forest Only Page 11 of 12 Bridge 06 Replacement B-3145 / SR 1164 Columbus County, North Carolina Supplemental Permit Information Columbus County Bridge Location Map Location Map (USGS Whiteville, NC Quad) NCDOT Design Plans Page 1 Page 2 Pages 3-5 NCDOT Hydraulic Analysis of Proposed Culvert Pages 6-11 Color Photos w/ Map Index Pages 12-16 196,\ 0370 21'x' { roI _-6 1-3 u - -1Q8 = 36n 4 20 .' `• I i Z•I 7?S v Y r, 216 - / ` - -'?235 _ 201-")ao I Ly -? ? y ?: - 382 t` ?\ ,rn ' in, Ins ? 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Ill,,i!I I I,j III i I I ? - ? .L D D I c C- v.?l ins C ?? EX(5' j,c IG RS=140 Upstream (Bridge) 106 i Legend I Ground 104 •-- j Ineff Bank Sta 102 ` 100? 98 c 0 w 96 94 I 921 J 90 i 88 400 600 800 1000 1200 1400 RS=140 Downstream (Bridge) 106 i 104-1 ; ? 102 r 100-i . ` ` i?l l i 93- . 0 Al c 0 M ED- 96- 94- 92- 90- 88 400 600 800 1000 1200 1400 Station (ft) to C0Lk.", l(;e, 0, alt )6 105- 100 c 0 m w 95 90 1 I L 400 1057 JAI 7 100 c ? i > W W 95 -. go- ?i RS=140 y RS=140 Downstream (Culvert) Legend Ground -!- Ineff 0 Bank Sta RS=140 Upstream (Culvert) 400 600 Soo 1000 1200 1400 Station (ft) 600 800 1000 1200 1400 Plan: Plan 01 River: big pond branch Reach(( Riv Sta: 280: Profile: PF 1 E.G. Elev (ft) ! 97.36 Element Left OBChannel! Right OBI Vel Head (ft) 0.17' Wt. n-Val. 1 1 0.0451 . W.S. Elev (ft) 97.19' Reach Len. (ft) I 100.001 100.00', 100.00 Crit W.S. (ft) Flow Area (sq ft) ± 1 141.50! 1 C ! C?nnn lfflf4l n nm aza A-n lc fll 7 141 501 027r 0 Total (cfs) 470.00 i Flow (cfs) 470.001 Top Width (ft) 32.191 Top Width (ft) 32.191 Vel Total (ftls) j 3.321 Avg, Vel. (ft/s) j 3.321 Max I Dpth (ft) % 7.091 Hydr. Depth (ft) 1 4.401 Conv. Total (cfs) I 11619.61 Conv. (cfs) 1 11619.61 j Lcngth Wtd. (R) 100.00. Wetted Per. (ft) - .i j 36.081 Min Ch El (R) I 90.101 Shear (lblsq ft) 0.401 Alpha I 1.00; Stream Power (ibtft s) 1.331 Fretn Loss (R) 0.17' Cum Volume (acre-ft) 1 0.871 C 2 E Loss (R) j 0.00 Cum SA (acres) 1 0.201 0 L o L-?,t(?C (?? l DEG ? 36? Plan• Plan 01 River: big pond branch Reach: Riv Sta: 280 ) Profile: PF 2 (.? LCC E.G. Elev (ft) 1 98.96 Element' - Left OB1 Channel Right OB Vel Head (ft) 0.23 Wt, n-Val: 0.1201 0.0451 0.1201 1 W.S. Elev (ft) 1 98.73 Reach Len. (ft) 100.001 100.001 100.001 Crit W.S. (ft) Flow Area (sq ft) 5.01 i 194.161 13.031 E.G Slope (fb'ft) 0.001615 Area (sq ft) 5.011 194.161 13.031 Q Total (cfs) { 750.00' Flow (cfs) 1.161 745.831 3.01 Top Width (ft) _ 91.99 Top Width (ft) 15.831 35.001 41.16 Vel Total (ft/s) 3.53 Avg. Vel. (ftfs) 0.231 3.841 0.231 Max Chi Dpth (ft) -' 8.63 Hydr. Depth (ft) 0.321 5.551 0.32 Conv. Total (cfs)' 18661.4 Conv. (cfs) 28.81 18557.71 75.0 Length d (ft) _ 100.00 Wetted Per. (ft) 15.841 39.431 41.16 I Min Ch El (ft) 90.10 Shear(lb/sq ft)' 0.031 0.501 0.03 I Alpha 1.17 Stream Power (lb/ft s) 0.011 1.91 0.01 Frctn Loss (ft) 0.17 Cum Volume (acre-ft) 0.02! 1.201 0.04 C 8 (ft) I 0.00 Cum SA (acres) 0.061 0.221 0.16 ?=X ?s il,t'G i A I ?6? R ? D (I- G' 6b !u 'C' s L.O/cc Plan: Plan 01 River: big pond branch Reach:l Riv Sta: 280 Profile: PF I F.G_ Elev (ft) 97.42' Element Left OB Channel) Right OB? 1 Vel Head (ft) 0.17' Wt. 'n-Val. 0.0451 W.S. Elev (ft) 97.26; Reach Len. (ft) I 100.001 100.001 100.00! Crit W.S.' (ft) Flow Area (sq ft) 143.591 E.G. Slope (ftlft) 0.0015721 Area (sq ft) 143.591 Q Total (cfs) 470.001 Flow (cfs) 470.00 Top Width (ft) 32.391 Top Width (ft) 32.39 Vel Total (ft/s) 3.27 • Avg, Vel. (ftls) 3.271 Max Chi Dpth (ft) 7.16' Hydr. Depth (ft) 4.431 Conv. Total (cfs) 11855.21 Conv. (cfs) 11855.21 Length Wtd. (ft) 100.00 Wetted Per, (ft) 36.321 Min Ch El (ft) 90.101 Shear (lblsq ft) I 0.391 1' Alpha 1.001` Stream Power (Ibtft s) 1.27 I Frctn Loss (ft) 0.16' Cum Volume (acre-ft)) 0.89 j C 8 E Loss (ft) 0.00' Cum SA (acres) 0.201 Ccc: C lays Cc , 6RLL 3? Plan: Plan 01 River: t i E.G. Elev (ft) I Vel Head (ft) - 1 W.S. Elev (ft) j j Crit W.S. (ft) E.G.. Slope (fUft) Q Total (cfs) Top Width (ft) Vel Total (fUs) 1 I Max Chl Dpth (ft) i Conv. Total (cfs) 1 Length Wtd. (ft) Min Ch Ell (ft) 1' Al ha - Frctn Loss (R) 1 C 8 E Loss (ft) >ond branch Reach:( Riv Sta: 280 ) Profile: PF 2 ?/,- C, ?o5t= D 99.25 Element Left OBI Channel1 Right OB1 0.20 Wt'. n-Val. 0.1201 0.0451 0.120 99.05'. Reach Len. (ft) 100.001 100.001 100.00 Flow Area (Sol ft) 0.0013191 Area (sq ft) 11.251 11.251 205.201 205.201 29.241 29.241 750.001 Flow (cfs) 120.371 Top Width (ft) l 3.071 23.711 738.931 35.001 8.00 61.661 3.051 Avg. Val. (ft/s) ? 0.271 3.601 0.27 8.951 Hydr. Depth (ft) 0.471 5.861 0.471 20653.6 Conv. (cfs) 84.61 20348.81 220.21 100.00 Wetted Per. (ft) 23.7311 39.431 61.66 90.10: Shear (Iblsq ft) I 0.041 0.431 0.041 1.37: Stream Power (lb/ft s) 0.011 1.541 0.011 0.14' Cum Volume (acre-ft) 0.041 1.251 0.101 0.001 Cum SA (acres) 0.101 0.221 0.27 j II A5 Ln LLJ o ' LLI D -; LtJ W C'tit.CO I- cl ?n v i C5 0 a O ?a P1 M O O ` CU14 W 0 O UP1 -? 4 CL a. r u 0 w'f g - 4 d as 1 ?.- Z V1 ? J r m C O G. W /G W V. u Y ? k 1 ? -w,:.>? +?• .? .. ..:ice J. 'uJ? 11 0 0 m -i v~i c n: 0 4 a of cL J m O m a 1 Min i N QILI t"i O E_ - O' cv, RA I _ t ERR ¦ O