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Home My WebLink About20051634 Ver 1_Complete File_20070119~F w A r~' 7 ~ ~ ~ ~~~ Michael F. Easley, Governor ~~~ QG '/~ William G. Ross 7r., Secretary ~ U ~ orth Carolina Department of Environment and Natural Resources ~ ~~.~~~ ~ p - - '` ~ ~ 1~ Alan W. Klimek, P.E. Director Division of Water Quality ~: . -~.:~;. January 19, 2007 Mr. J. B. Setzer, P.E. Division Engineer N.C. Department of Transportation 253 Webster Road Sylva, North Carolina 28779 Subject: Inspection Culvert Installation Replacement of Bridge 193 DWQ Project No. 051634 Polk County Dear Mr. Setzer: On January 17, 2007, I visually inspected the construction work at the new culvert at NCSR 1508 near Tryon in Polk County. It appears that construction of the box culvert has been completed and the area permanently seeded, mulched and matted. Observations indicated that a small area, on the embankment downstream of the culvert, between the matting and power pole is starting to erode and it is recommended that the area be - repaired. Also, there are pieces of riprap, in the stream, on both ends of the culvert that should be removed. A copy of the inspection report is attached to this letter. If you have questions, please call me at 828.296.4500. Sincerely;/ w Michael R. Parker Environmental Specialist Attachment cc: Mark Davis, Division 14, DEO Ed Ingle, Roadside Environmental Transportation Permitting Unit Mike Parker, Asheville Regional Office No thCarolina ~ll~lfPll~~l, J North Carolina Division of Water Quality 2090 U.S. Highway 70 Swannanoa, NC 28778 Phone (828) 296-4500 Customer Service Internet: www.ncwaterquality.org FAX (828)299-7043 1-877-623-6748 An Equal OpportunitylAffirmative Action Employer- 50% Recycled110% Posl Consumer Paper ~ r DWQ Site Visits for DOT Proiects Field Sheet DWQ representative: Michael R. Parker ~ Date: January 17, 2007 County: Polk Region: Asheville DOT Division: Division 14 Activity: X 401 Compliance Evaluation ^ Complaint ^DWQ Follow Up Evaluation ^ Other DWQ 401 #: 051634 NW Permit #: IP #: Project Name: Location of Project: Project Complete: ^Yes X No Activities (DOT): ^ Bridge X^ Culvert ^ Bottomless Culvert ^ Bottomless Arch X^ Riprap Inlet/Outlet Stabilization ^ Spoil Pile ^ Borrow Pit ^ Wetland Mitigation ^ Stream Restoration ^ On-site Stream Relocation ^ Buffer Restoration ^ Bank Stabilization ^ Other NCSR 1508 Box Culvert Construction to replace Bridge 193 Site is located near the intersection of NCSR 1508 and NCSR 1506 in the Town of Tryon If no, estimated date of completion: Water Quality Concerns (DWQ): ^ Steam Standards Violation X^ .Turbidity ^ Evidence of spills ^ Oil/Petroleum ^ Solid Waste ^ Failed E & S control measures X^ Sedimentation Impacts ^ Stormwater Permit Violation ^ Fill ^ Buffer Impacts (see below) ^ Other Additional Wetland Impacts: ^ yes X^ no Estimated Acres ^ Zone 1 Est Acres ^ Zone 2 Est Acres ~_ Additional Stream Impacts: ^ yes X^ no Est Linear feet Estimated linear feet of impact: ~- Buffer Impacts: Zone 1: Zone 2: ^Neuse ^Yes ^No ^Yes ^No ^Tar-Pam ^Randleman ^Catawba Est linear ft/ acreage of buffer impact ft/ ac Est linear ft/ acreage of buffer impact~ft/ ac ^Allowable ^Allowable w/mitigation ^Prohibited Buffer Designation: ^Exempt ~ . , j Name of Waterway(s) Basin/ Subbasin: DWQ Site Visits.for DOT Proiects Background Info Ut to North Pacolet River BRD 06 Wetland Type: ^Isolated ^Non-Isolated (Waters of US) Stream Class: ^Class B ^303d Listed ^WS-II ^WS-V ^SB XClass C ^ORW ^Trout ^WS-III ^NSW ^HQW ^WS-I ^WS-1V ^SA ^CA Type of Authorized Impact: X^Culvert ^Bottomless Culvert ^Bridge ^Bottomless Arch ^Riprap Inlet/Outlet Stabilization X^Fill Authorized Wetland Impacts Authorized Stream Impacts: Additional comments: ^0 - 1/10`" acre ^ 1/3ra to 1.0 acre X< 1501inear feet ^1/11`" to 1/3`d acre ^> 1.0 acre ^> 1501inear feet Inspection on January 17, 2007. Box culvert has been constructed to replace Bridge 193. Permanent seeding, mulching and matting are in place. Culvert appears to be installed correctly. There is no head cutting on inlet end. Project has recently been completed. There is one small area on the downstream end of the culvert between the matting and power pole that is starting to erode with small rills. This area should be stabilized. Also, pieces of riprap are in the stream at the upstream and downstream sides of the culvert that should be removed. . _E 0 ~~~~~ ~ 05 0~ ~~w»d' OSANDSTDRMQUALI 0~, WATER~SWR. y, qA'D '9TF STATE OF NORTH CAROLINA sT~~u~v DEPAR7~V~NT OF T~iA-NSPORTATT~N ~'~'~ ~~y MICHAEL F. EASLEY LYNDO TIPPETT GOVBRNOR August 25, 2005 US Army Corps of Engineers Asheville Regulatory Field Office 151 Patton Ave. Asheville, NC 28801-5006 ATTENTION: Mr. Steve Lund NCDOT Coordinator Dear Sir: SECRfiTARY '051634 Subject: Nationwide 12, 23, & 33 Permit Applications for the proposed replacement of Bridge No. 193 over an unnamed tnbutary of the North Pacolet River on SR 1508, Polk County, Federal Aid Project No. BRZ-1508(3), State Project No. 8.2980901, WBS 33583.1.1, TIP B~240, Division 14. Please find enclosed one copy of the project planning report, PCN, permit drawings, and half- sized plan sheets far the above referenced project. Bridge No. 193 wdl be replaced east of the existing bridge with a two bagel box culvert 65 feet in length. The new-approach roadway wdl gave two 10-foot travel lanes with 5-foot shoulders. The new culvert will have a design speed of 20 mph. No jurisdictional wetlands wiill be impacted by the construction of the culvert. There are proposed permanent and temporary surface water impacts as a result of the installation of the culvert. proposed existing cha>tmel impacts consist of 143 feet of permanent impacts and 20 feet of temporary impacts. Proposed fill in surface waters include 0.043 acre of permanent impacts and 0.007 acre of temporary impacts. During construction, traffic wdl be maintained by an off-site detour uh`lizing the following roads: Beech Street, West Livingston Street, Cleveland Road, US 176, NC 108 and SR 1508 (Striven Road). Water Resources The North Pacolet River and its tributary is located in sub-basin 03-08-06 of the Broad River Basin which is located within the United States Geological Survey Hydrologic Unit 03050105 of the South AtlauticlGulf Region- The DWQ best usage classification for the North Pacolet River and its tn'butary (Index No. 9-55-1-(10)) is C. Class C water resources are defined as suitable for aquatic life propagation and survival, fishing, wildlife, secondary recreation, and agriculture. Wastewater discharge and starmwater management requirements apply to these waters. . - Neither High Quality Waters (HQW), Water Supplies (WS-I or WS-II), nor Outstanding Resource Waters (ORW) occur within 1.0 xni. of the project area. Design Standards for Sensitive Watersheds was inadvertently added as a commitment for this project. There is no environmental concern warranting these standards for this project, and this commitment, in consultation with NCDOT's Roadside Environmental Unit, has been removed. Utility Impacts NCDOT proposes to relocate 152.5 feet of a 12 inch diameter sewer pipe to the new alignment. The pipe will be placed into an open cut in the stream within the project limits. Therefore, no permanent impacts are proposed for this project. Bridge Demolition In order to protect the water quality and aquatic life in the area affected by this project, the NCDOT and all potential contractors will follow appropriate guidelines for bridge demolition and removal. These guidelines are presented in the NCDOT document Pre-Construction Guidelines for Bridge Demolition and Removal. Guidelines followed for bridge demolition and removal aze in addition to those implemented for Best Management Practices for the Protection of Surface Waters. Bridge No. 193 is composed of a timber deck with an asphalt wearing surface on steel girders, stringers, and a continuous steel floor beam system. The substructure consists of timber posts and sills. The existing structure is 81 feet long with a 19.1-foot cleaz roadway width. The crown of the bridge is 18 feet above the streambed. Due to the structural components of the bridge, no temporary fill will be dropped into surface waters. Temporary Dewatering There will be 0.007 acre of proposed temporary fill in the unnamed tributary to the North Pacolet River due to the construction of impervious dikes in small sections on each side of Bridge No. 193. Impervious dikes aze necessary as special wing structures designed to keep fill and rip-rap materials out of the stream channel during construction. Class Irip-rap will be used as slope protection along the stream bank on the east end of Bridge No. 193. The materials used as temporary fill in the construction of the impervious dikes will be removed. The temporary fill areas will be graded back to their original contours. Elevations and contours in the vicinity of the proposed impervious dikes are available from the field survey notes. It is assumed that the contractor will begin construction of the temporary impervious dikes shortly after the date of availability for this project. The Let Date is Mazch 21, 2006 with a review date of January 31, 2006. . Avoidance & Minimization A culvert is proposed for this project due to this stream not being classified as a trout stream, there being Class C waters, and a culvert is sufficient for the small drainage azea. Additionally, the project is located at a T-intersection, and therefore, ease of construction and safety were key issues. Traffic will be maintained using anoff--site detour. Best management practices (BMP's) will be utilized to minimize water quality impacts. In compliance with 15A NCAC 02B.0104(m) we have incorporated the use of BMP's in the design of the project. Mitigation Compensatory mitigation to offset unavoidable impacts to waters that are jurisdictional under the federal Clean Water Act will be provided by the Ecosystem Enhancement Program (EEP). The NCDOT has avoided and minimized impacts to jurisdictional resources to the greatest extent possible. The proposed unavoidable impacts to 143 feet of existing stream channel will be offset by compensatory mitigation provided by the EEP. Please see attached EEP acceptance letter. Federally Protected Species Some populations of fauna and flora have been in, or are in, the process of decline either due to natural forces or their inability to co-exist with human activities. Federal law (under the provisions of the Endangered Species Act (ESA) of 1973, as amended) requires that any action likely to adversely affect a species classified as federally protected be subject to review by the United States Fish and Wildlife Service (USFWS). Other species may receive additional protection under separate state laws. Plants and animals with federal classifications of Endangered (E), Threatened (T), Proposed Endangered (PE) and Proposed Threatened (PT) are protected under provisions of ESA §§7 and 9, as amended. As of January 29, 2003, the U. S. Fish and Wildlife Service lists three federally protected species for Polk County. Table 1 lists those species. Table 1. Federall Protected S ecies for Polk Coun Common Name Scientific Name Status Biolo 'cal Conclusion White Irisette Sisyrinchium dichotomum E No Effect Dwarf-flowered heartleaf Hexas lis nani ora T No Effect Small whorled o onia Isotria medeoloides T No Effect Note for Status: • Threatened (T~ denotes a taxon "likely to become an endangered species within the foreseeable future throughout all or a significant portion of its range. " • Endangered (E) denotes a taxon "in danger of extinction throughout all or a significant portion of its range. " Regulatory Approvals Section 404 Permit: It is anticipated that the temporary dewatering of tributary to North Pacolet River be authorized under Section 404 Nationwide Permit 33 (Temporary Construction Access and Dewatering). We are, therefore, requesting the issuance of a Nationwide Permit 33 authorizing the temporary dewatering of the unnamed tributary to the North Pacolet River. We are also requesting the issuance of a Section 404 Nationwide Permit 12 (Utility Line Activities) authorizing the open cut in the Tributary to the North Pacolet River for the water line. All other aspects of this project aze being processed by the Federal Highway Administration as a "Categorical Exclusion" in accordance with 23 CFR § 771.115(b). The NCDOT requests that these activities be authorized by a Nationwide Permit 23 F(_R number 10, pages 2020-2095; January 15, 2002). We anticipate that comments from the North Carolina Wildlife Resources Commission (NCWRC) will be requested prior to authorization by the Corps of Engineers. By copy of this letter and attachment, NCDOT hereby requests NCWRC review. NCDOT requests that NCWRC forward their comments to the Corps of Engineers. Section 401 Permit: We anticipate 401 General Certification numbers 3374, 3403 and 3366 will apply to this project. In accordance with 15A NCAC 2H .0501(a) we aze providing two copies of this application to the North Cazolina Department of Environmental and Natural Resources, Division of Water Quality, for their records. A copy of this permit application will be posted on the DOT website at: http://www.ncdot.org/planning/pe/naturalunit/Permit.html. If you have any questions or need additional information, please contact Mr. Chris Underwood at (919) 715-1451. Sincerely, Gregory J. Thorpe, Ph.D., Environmental Management Director Project Development and Environmental Analysis Branch cc: W/attachment Mr. John Hennessy, NCDWQ (2 Copies) Ms. Marella Buncick, USFWS Ms. Marla Chambers, NCWRC Mr. David Chang, P.E., Hydraulics Mr. Greg Perfetti, P.E., Structure Design Mr. Mark Staley, Roadside Environmental Mr. J. B. Setzer, P.E., Division 14 Engineer Mr. Mark Davis, DEO, Division 14 W/o attachment Mr. Jay Bennett, P.E., Roadway Design Mr. Omar Sultan, Programming and TIP Mr. Art McMillan, P.E., Highway Design Mr. David Franklin, USACE, Wilmington Ms. Beth Harmon, EEP - Mr. Todd Jones, NCDOT, Program Management Mr. Demck Weaver, P.E., PDEA Office Use Only: Form Version March OS ~Q0~1634 USACE Action ID No. DWQ No. (If any particular item is not applicable to ttus project, please enter °ivot Hppucaoie- or -i~iH .~ I. Processing 1. Check all of the approval(s) requested for this project: ® Section 404 Permit ^ Riparian or Watershed Buffer Rules ^ Section 10 Permit ^ Isolated Wetland Permit from DWQ ® 401 Water Quality Certification ^ Express 401 Water Quality Certification 2. Nationwide, Regional or General Permit Number(s) Requested: NW 12, 23, & 33 3. If this notification is solely a courtesy copy because written approval for the 401 Certification is not required, check here: 4. If payment into the North Carolina Ecosystem Enhancement Program (NCBEP) is proposed for mitigation of impacts, attach the acceptance letter from NCEEP, complete section VIII, and check here: ^ 5. If your project is located in any of North Carolina's twenty coastal counties (listed on page 4), and the project is within ~ a North Carolina Division of Coastal Management Area of Environmental Concern (see the top of page 2 for further details), check here: II. Applicant Information 1. Owner/Applicant Information Name: Gregory J. Thorpe, Ph.D., Environmental Mana>ement Director Mailing Address: 1598 Mail Service Center Telephone Number:~919) 733-3141 Fax Number: X919) 733-9794 E-mail Address: 2. Agent/Consultant Information (A signed and dated copy of the Agent Authorization letter must be attached if the Agent has signatory authority for the owner/applicant.) Name: 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 maybe 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: Replacement of Bridge No. 193 over the N. Pacolet River trib. on SR 1508 2. T.I.P. Project Number or State Project Number (NCDOT Only): B-4240 3. Property Identification Number (Tax PIN): N/A 4. Location County: Polk Nearest Town: Tryon Subdivision name (include phase/lot number): N/A Directions to site (include road numbers/names, landmarks, etc.): 5. Site coordinates (For ,linear projects, such as a road or utility line, attach a sheet that separately lists the coordinates for each crossing of a distinct waterbody.) Decimal Degrees (6 digits minimum): 35.2193 °N 82.2346 °W 6. Property size (acres): N/A 7. Name of nearest receiving body of water: North Pacolet River 8. River Basin: Broad (Note -this must be one of North Carolina's seventeen designated major river basins. The River Basin map is available at httR://h2o.enr.state.nc.us/admin/maps/.) 9. Describe the existing conditions on the site and general land use in the vicinity of the project at the time of this application: Residential development. 10. Describe the overall project in detail, including the type of equipment to be used: The bridge removal involves the removal of the asphalt wearimg surface prior to demolition Page 2 of 8 without dropping_ components into the water. The guardrails, timber deck, and all steel components will also be removed without dropping any of the components into the water. The replacement structure will consist of a 65-foot x 30-foot long 2-barrel box culvert. The equipment needed is standard paving equipment including_pavers and rollers and rg ailing equipment including backhoes and graders. 11. Explain the purpose of the proposed work: To replace Bridge No. 193 because it is structurally deficient and functionally obsolete. This will result in in safer traffic operations. IV. Prior Project History If jurisdictional determinations and/or permits.. have been requested and/or obtained for this project (including all prior phases of the same subdivision) in the past, please explain. Include the USACE Action ID Number, DWQ Project Number, application date, and date permits and certifications were issued or withdrawn. Provide photocopies of previously issued permits, certifications or other useful information. Describe previously approved wetland, stream and buffer impacts, along with associated mitigation (where applicable). If this is a NCDOT project, list and describe permits issued for prior segments of the same T.I.P. project, along with construction schedules.N/A V. Future Project Plans Are any future permit requests anticipated for this project? If so, describe the anticipated work, and provide justification for the exclusion of this work from the current application. No future permits are anticipated for the replacement of Bridge No. 193. VI. Proposed Impacts to Waters of the United States/Waters of the State It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to wetlands, open water, and stream channels associated with the project. Each impact must be listed separately in the tables below (e.g., culvert installation should 'be listed separately from riprap dissipater pads). Be sure to indicate if an impact is temporary. All proposed impacts, permanent and temporary, must be listed, and must be labeled and clearly identifiable on an accompanying site plan. All wetlands and waters, and all streams (intermittent and perennial) should be shown on a delineation map, whether or not impacts are proposed to these systems. Wetland and stream evaluation and delineation forms should be included as appropriate. Photographs maybe included at the applicant's discretion. If this proposed impact is strictly for wetland or stream mitigation, list and describe the impact in Section VIII below. If additional space is needed for listing or description, please attach a separate sheet. 1. Provide a written description of the proposed impacts: There will be 0.01 acre of temporarypacts to the surface water due to a temporary dewaterung associated with this project. There will be 143 feet of proposed, permanent channel impacts and 0.04 acre of fill. Page 3 of 8 2. Individually list wetland impacts. Types of impacts include, but are not limited to mechanized clearing, grading, fill, excavation, flooding, ditching/drainage, etc. For dams, s arately list im acts due to both structure and flooding. Wetland Impact Site Number (indicate on map) Type of Impact Type of Wetland (e.g., forested, marsh, herbaceous, bog, etc.) Located within 100-year Floodplain es/no) Distance to Nearest Stream (linear feet) Area of Impact (acres) N/A Total Wetland Impact (acres) 3. List the total acreage (estimated) of all existing wetlands on the property: N/A 4. Individually list all intermittent and perennial stream impacts. Be sure to identify temporary impacts. Stream impacts include, but are not limited to placement of fill or culverts, dam construction, flooding, relocation, stabilization activities (e.g., cement walls, rip-rap, crib walls, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is proposed, plans and profiles showing the linear footprint for both the original and relocated streams must be included. To calculate acreage, multiply length X width, then divide by 43.560. Stream Impact Number (indicate on ma) Stream Name Type of Impact Perennial or Intermittent? Average Stream Width Before act Impact Len lineargf et) Area of Im act aces Bridge No. 193 Ut .to N. Pacolet R Culvert insrallation P 15 ft. 143 0.04 Bridge No. 193 Ut to N. Pacolet R Temporary fill p 15 ft. 0.01 Bridge No. 193 Ut to N. Pacolet R Temp. excavation p 15 ft. 20 Total Stream Impact (by length and acreage) 163 0.05 5. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic Ocean and any other water of the U.S.). Open water impacts include, but are not limited to fill, excavation, dredging, flooding, drainage, bulkheads, etc. Open Water Impact Site Number indicate on ma Name of Waterbody (~ applicable) Type of Impact Type of Waterbody (lake, pond, estuary, sound, bay, ocean, etc. Area of Impact acres N/A Test piles Trent River Pile removal Third order stream Total Open Water Impact (acres) Page 4 of 8 6. List the cumulative impact to all Waters of the U.S. resulting from the project: Stream hnpact (acres): 0.05 Wetland Impact (acres): Open Water Irn act (acres): Total Impact to Waters of the U.S. (acres) 0.05 Total Stream Impact (linear feet): 163 7. Isolated Waters Do any isolated waters exist on the property? ^ Yes ®No Describe all impacts to isolated waters, and include the type of water (wetland or stream) and . the size of the proposed impact (acres or linear feet). Please note that this section only applies to waters that have specifically been determined to be isolated by the USACE. N/A 8. Pond Creation If construction of a pond is proposed, associated wetland and stream impacts should be included above in the wetland and stream impact sections. Also, the proposed pond should be described here and illustrated on any maps included with this application. Pond to be created in (check all that apply): ^ uplands ^ stream ^ wetlands Describe the method of construction (e.g., dam/embankment, excavation, installation of draw-down valve or spillway, etc.): N/A Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond, local stormwater requirement, etc.): N/A Current land use in the vicinity of the pond: N/A 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 proposed culvert will be constructed due to safety and construction restraints. 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 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 January 15, 2002, mitigation will be required when necessary to ensure that adverse effects to the aquatic environment are minimal. Factors including size and type of proposed impact and function and relative value of the impacted aquatic resource will be considered in determining acceptability of appropriate and practicable mitigation as proposed. Examples of mitigation that maybe appropriate and practicable include, but are not limited to: reducing the size of the project; establishing and maintaining wetland and/or upland vegetated buffers to protect open waters such as streams; and replacing losses of aquatic resource functions and values by creating, restoring, enhancing, or preserving similar functions and values, preferable in the same watershed. If mitigation is required for this project, a copy of the mitigation plan must be attached in order for USACE or DWQ to consider the application complete for processing. Any application lacking a required mitigation plan or NCEEP concurrence shall be placed on hold as incomplete. An applicant may also choose to review the current guidelines for stream restoration in DWQ's Draft Technical Guide for Stream Work in North Carolina, available at http://h2o.enr.state.nc.us/ncwetlands/strmgide.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. EEP will provide mitigation for the proposed permanent impacts associated with this project. 2. Mitigation may also be made by payment into the North Carolina Ecosystem Enhancement Program (NCEEP). Please note it is the applicant's responsibility to contact the NCEEP at (919) 715-0476 to determine availability, and written approval from the NCEEP indicating that they are will to accept payment for the mitigation must be attached to this form. For additional information regarding the application process for the NCEEP, check the NCEEP website at http:!/h2o.enr.state.nc.us/wrp/index.htrn. If use of the NCEEP is proposed, please check the appropriate box c>n page five and provide the following information: Amount of stream mitigation requested (linear feet): 143 Amount of buffer mitigation requested (square feet): N/A Amount of Riparian wetland mitigation requested (acres): N/A Amount ofNon-riparian wetland mitigation requested (acres): N/A Amount of Coastal wetland mitigation requested (acres): N/A Page 6 of 8 IX. X. Environmental Documentation (required by DWQ) 1. Does the project involve an expenditure of public (federal/state/local) funds or the use of public (federaUstate) land? Yes ® No ^ 2. If yes, does the project require preparation of an environmental document pursuant to the requirements of the National or North Carolina Environmental Policy Act (NEPA/SEPA)? Note: If you are not sure whether a NEPA/SEPA document is required, call the SEPA coordinator at (919) 733-5083 to review current thresholds for environmental documentation. Yes ® No ^ 3. If yes, has the document review been finalized by the State Clearinghouse? If so, please attach a copy of the NEPA or SEPA final approval letter. Yes ® No ^ Proposed Impacts on Riparian and Watershed Buffers (required by DWQ) It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to required state and local buffers associated with the project. The applicant must also provide justification for these impacts in Section VII above. All proposed impacts must be listed herein, and must be clearly identifiable on the accompanying site plan. All buffers must be shown on a map, whether or not impacts are proposed to the buffers. Correspondence from the DWQ Regional Office may be included as appropriate. Photographs may also be included at the applicant's discretion. 1. Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233 (Meuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 02B .0243 (Catawba) 15A NCAC 2B .0250 (Randleman Rules and Water Supply Buffer Requirements), or other (please identify )? Yes ^ No 2. If "yes", identify the square feet and acreage of impact to each zone of the riparian buffers. If buffer mitigation is required calculate the required amount of mitigation by .applying the buffer multipliers. * Impact Required Zone ~„~..__~ r e.. Multiplier ,,,r;.:~,,.:,.., 2 Total # Zone 1 extends out 30 feet perpendicu additional 20 feet from the edge of Zone 1. 3 (2 for Catawba) 1.5 the top of the near bank of channel; Zone 2 extends an 3. If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e., Donation of Property, Riparian Buffer Restoration /Enhancement, or Payment into the Riparian Buffer Restoration Fund). Please attach all appropriate information as identified within 15A NCAC 2B .0242 or .0244, or .0260. N/A Page 7 of 8 XI. Stormwater (required by DWQ) Describe impervious acreage (existing and proposed) versus total acreage on the site. Discuss stormwater controls proposed in order to protect surface waters and wetlands downstream from the property. If percent impervious surface exceeds 20%, please provide calculations demonstrating total proposed impervious level. Impervious area will increase minimally. XII. Sewage Disposal (required by DWQ) Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of wastewater generated from the proposed project, or available capacity of the subject facility. No wastewater will be~enerated from the implementation of this project. XIII. Violations (required by DWQ) Is this site in violation of DWQ Wetland Rules (15A NCAC 2H .0500) or any Buffer Rules? Yes ^ No Is this anafter-the-fact permit application? Yes ^ No XIV. Cumulative Impacts (required by DWQ) Will this project (based on past and .reasonably anticipated future impacts) result in additional development, which could impact nearby downstream water quality? Yes ^ No If yes, please submit a qualitative or quantitative cumulative impact analysis in accordance with the most recent North Carolina Division of Water Quality policy posted on our website at http://h2o.enr.state.nc.us/ncwetlands. If no, please provide a short narrative description: No This project will reylace a structurally deficient bridge. XV. Other Circumstances (Optional): It is the applicant's responsibility to submit the application sufficiently in advance of desired construction dates _ to allow processing time for these permits. However, an applicant may choose to list constraints associated with construction or sequencing that may impose limits on work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and Threatened Species, accessibility problems, or other issues outside of the applicant's control). ~icant/Agent's Signature Nate signature is valid only if an authorization letter from the applicant is provided.) Page 8 of 8 o stem E a ement PROGRAM July 19, 2005 Mr. (Gregory J. Thorpe, Ph.D. Environmental Management Director Project Development and Environmental Analysis Branch North Carolina Department of Transportation 1548 Mail Service Center Raleigh, North Carolina 27699-1548 Deaz Dr. Thorpe: Subject: EEP 1Vlitigation Acceptance Letter: ~~~ ~~~ JUL %~ ~ 2005 Ft?~-0~fl~r !~~ ii~~" `~~L EiiUiE~~ll4~h~i B-4240, Bridge 193 over an unnamed tributary of the North Pacolet River on SR 1508, Polk County The purpose of this letter is to notify you that the Ecosystem Enhancement Program (EEP} will provide the stream mitigation for the subject project. Based on the information supplied by you in a letter dated May 13, 2005, the impacts aze located in CU 03050105 of the Broad River Basin in the Southern Piedmont (SP) Eco-Region, and are as follows: Stream Impacts: 143 feet The subject project is not listed in Exlu-bit 2 of the Memorandum of Agreement among the North Carolina Department of Environment and Natural Resources, the North Carolina Department of Transportation, and the U. S. Army Corps of Engineers, Wilmington District dated July 22, 2003. The EEP is only committed to provide the mitigation needs for projects listed on Exhibit 2 during the first two years of the program; however Amendment 1 details how non-Exhibit 2 projects may be swapped for an appropriate project included on the Exhibit 2 list. Specifically, Amendment 1 states that: "Exhibit 2 may be modified if requested jointly by NCDENR and NCDOT, and approved in writing by the USAGE. In no event may the total projected impacts of projects per cataloging unit on Exhibit 2 exceed the total projected impacts of projects per cataloging unit on Exhibit 2 as it existed at the time of the original execution of the MOA, July, 2003." In this case, the NCDOT has not proposed to swap this project for an appropriate project included on the Exhibit 21ist. However, EEP currently has surplus stream R:~.stor~;r~... ~ ... P~otect~ O~.ur Stag North [arolina Ecosystem Enhancement Program,1652 Mail Service [enter, Raleigh, N[ 27699-1652 / 919-115-0416 / www nceep.net mitigation with sufficient assets to cover this year's projected mitigation requirements plus the mitigation for the above referenced project. Therefore, the EEP agrees to accept this project and will provide compensatory stream mitigation up to a 2:1 ratio in Cataloging Unit 03050105 of the Broad River Basin. If you have any questions or need additional information, please contact Ms. Beth Harmon at 919-715-1929. Sincerely, Wil i D. Gilmore, P.E. EEP Director cc: Ms. Angie Pennock, USACE-Asheville Mr. John Hennessy, Division of Water Quality, Wetlands/401 Unit File: B-4240 ~: co stem PROGRAM July 19, 2005 M~. Angie Pennock U. S. Army Corps of Engineers Asheville Regulatory Field Office 151 Patton Avenue, Room 208 Asheville, North Carolina 28801-5006 Dear 11~s. Pennock: Subject: EEP Mitigation Acceptance Letter: B-4240, Replace Bridge 193 over an unnamed tributary of the North Pacolet River on SR 1508; Broad River Basin (Cataloging Unit 03050105); Southern Piedmont (SP) Eco-Region The purpose of this letter is to notify you that the Ecosystem Enhancement Program (EEP) will provide compensatory stream ntigation for the 143 feet of. unavoidable stream impacts associated with the above referenced project. The subject project is not listed in Exhibit 2 of the Memorandum of Agreement among the North Carolina Department of Environment and Natural Resources, the North Cazolina Department of Transportation, and the U. S. Army Corps of Engineers, Wilmington District dated July 22, 2003. The EEP is only committed to provide the mitigation needs for projects listed on Exhibit 2 during the first two years of the program; however Amendment 1 details how non-Exhibit 2 projects maybe swapped for an appropriate project included on the Exhibit 21ist. Specifically, Amendment 1 states that: "Exhibit 2 may be modified if requested jointly by NCDENR and NCDOT, and approved in writing by the USACE. In no event may the total projected impacts of projects per cataloging unit on Exhibit 2 exceed the total projected impacts of projects per cataloging unit on Exhibit 2 as it existed at the time of the original execution of the MOA, July, 2003" In this case, the NCDOT has not proposed to swap this project for an appropriate project included on the Exhibit 2 list. However, EEP currently has surplus stream mitigation with sufficient assets to cover this years projected mitigation requirements plus the mitigation for the above referenced project. Therefore, the EEP intends to provide compensatory stream mitigation up to a 2:1 ratio in Cataloging Unit 03050105 of ~~s~~~`''~~'.~~~, > _ ~" shy ~ n '~ „ r ,-,~= ~ ~ ~ ~ ~ ~~* ` ~~~a ,..~., ..~' ,._ ~~,»'*,d.,a~i~'!~~j, L ~ vr....~L,~`',.s:.~ ~~'y~° .~c,v~.~ NCDENR North tarolina Ecosystem Enhancement Program,1651 Mail Service [enter, Raleigh, Nt 21699-1652 / 919-115-0416 / www nceep.net the Broad River Basin. Mitigation sites currently containing surplus mitigation assets consists of, but not inclusive of, the Cleghorn Creek Mitigation Site. If you have any questions or need additional information, please contact Ms. Beth Harmon at (919) 715-1929. Sincerely, ~.~~ ' iam D. Gilmore, P.E. EEP Director cc: Mr. Phil Harris, Office of Natural Environment, NCDOT Mr. John Hennessy, Division of Water Quality, Wetlands/401 Unit File: B-4240 0.25 0 0.25 0.5 MILES ~~ 1 0 1 2 cos ~~ > ~=% ,. Y a. ~ }p$p$ ~": v. 1 1, ~~ ~ ~ a S. Z 0° F e ~+~. ~ S ~ > E ~ g d ~o~ zm ~ ~` oza z me~z o ~" ~ e~ z ~ t (i~/[~l is ~- t~ t ,: ~ C ..~_ l --~_ -ri r dy , ~ - ~ ~ ~.. - , x ~; N _ ~~"ti ~, ° i ~ ^~_ ~ ~ yy • , • - ~ - ` _~ ~ C ~ ` t ~T ~^ Y ` ~ V~' _• 1(t• }yam / •r ~ i ,~q _~ r •~ J i ~ - - m ~ . .' ~ ; '. -:,." .~, - -• ~:• , ,/ . rj ,: rte.. ,:-~{ • --, '•'.•• :, .~•, "~• qty . z i+ ter.. ~ ~ r ~ , v - . r ~ ~: ~,, ~ ~- f ~ . r ~• •i~'M ~-' '• 1•: ~ .~'Y.o °~~tit ~~ ~~f~7 ::~~ S,s!` .!' 't' _...t' •.~~~"•~a ;e~M •/a~,1 ~j' t PROPERTY OWNERS PARCEL N0. NAMES ADDRESSES I N/F FEDRICH INDUSTRIES, INC. 2 N/F CAROLINA YARN PROCESSORS. INC. 3 N/F CYNTHIA L HAMILTON q N/F FEDRICH INDUSTRIES, INC. 5 N/F SHELVA W. PHILLIPS o ~ ~ N Q a' ~ a ~ W '~ ~ ~ ~~ z x Z .-~ ¢ a c7 ~ M H x O 00 0 o U M W o xM ~ ~ ~U aQ aW ~ . 0 Q o z ~" ~ a W W x 0 rc z a c m ~ r7, y to tC L O '/ ~ Z v' ~ y m C V ~- 1 - ~ n ~ a ~ ~ N N U Q x t E F WU- a ~ c H ~ WV ~a W a -- m ti ° u . ~ ~3 ~ ~ o o 0 0 ~ ~ ~ Q ~ C y l0 ~ N V ~ O ~ ~ ~ ~ O v N a a ~ ~ ~' ~ ~ U W Q. 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WWI WCDi \ \ ~' ~ : ~ .~ , I ~ ~ J I r Qf ~ ~m~ ~ZA ~~ /•~ ~_ • •~ ~~~ x JxE~~' : I ~X v j m v - \ + / / / / / / / j L / / / r ~Q~ y ~ Ili r4i ^ ~ ~ m ; N awe '~ . / .! / / / / «y ~ ~O~N p~y yNy~~109 A~ pN.~.. ~2~ ~ ~ O G m ~ ~ m ~ ~ A „ w r 1 N ~ J~~~ ~ / / ~~~ / / 'ZA ~+~ V/~ ~~ ~ _' ~ 7 ~ / ~ \/ ~~ H ~~ ~ O y i Z ~ Polk County Bridge. No, 193 on SR 1508 (Markham Road) over Unnamed North Pacolet River Tributary Federal-Aid Project No. BRZ-1508 (3) State Project No. 8.2980901 T.I.P. Project No. B-4240 CATEGORICAL EXCLUSION UNITED STATES DEPARTMENT OF TRANSPORTATION FEDERAL HIGHWAY ADMINISTRATION AND NORTH CAROLINA DEPARTMENT OF TRANSPORTATION DMSION OF HIGHWAYS APPROVED• DA t / 2~ D¢ DATE G~Cfory ]. Thorpe, PhD. " Environmental Management Director Project Development & Environmental Analysis Branch North Carolina Department of Transportation ~/ _ - ~ john F. Sullivan, III Division Administrator Federal Highway Administration Polk County Bridge No. 193 on SR 1508 (Markham Road) over Unnamed North Pacolet River Tributary Federal-Aid Project No. BRZ-1508 (3) State Project No. 8.2980901 T.I.P. Project No. B-4240 CATEGORICAL EXCLUSION . ]anuary 2004 Document Prepared By: MA Engineering Consultants, Inc. 598 East Chatham Street, Suite 137 Cary, NC 27511 ~~,. Chad H. Cntcher, PE Senior Associate For the North Caroli of Transportation: D~kFrick Weaver, PE ' Project Manager Project Development & Environmental Analysis Branch ~f`1111ti111ittl//,/ ~~~~~RZH CARp~~.~/. f ~+C A~ ` • s 1a9G~W~ ~,.. Polk County Bridge No. 193 on SR 1508 (Markham Road) over Unnamed North Pacolet River Tributary Federal-Aid Project No. BRZ-1508 (3) State Project No. 8.2980901 T.I.P. Project No. B-4240 PROJECT COMMITMENTS In addition to the standard Nationwide Permit No. 23 Conditions, the General Nationwide Permit Conditions, Section 404 Onty Conditions, Regional Conditions, State Consistency Conditions, NCDOT's Guidelines for Best Management Practices for the Protection of Surface Waters, Design Standards for Sensitive Watersheds, NCDOT's Guidelines for Best Management Practices for Bridge Demolition and Removal, General Certification Conditions, and Section 401 Conditions of Certification, the following special commitments have been agreed to by NCDOT: Categorical Exclusion: 8-4240 Page 1 of 1 January 2004 i Polk County Bridge No. 193 on SR 1508 (Markham Road) over Unnamed North Pacolet River Tributary Federal-Aid Project No. BRZ-1508 (3) State Project No. 8.2980901 T.I.P. Project No. B-4240 INTRODUCTION: The replacement of Bridge No. 193 is included in the 2004-2010 North Carolina Department of Transportation (NCDOT) Transportation Improvement Program and in the Federal-Aid Bridge Replacement Program. The location is shown in Figure 1. No substantial environmental impacts are anticipated. The project is classified as a Federal "Categorical Exclusion". I.. PURPOSE AND NEED STATEMENT The NCDOT Bridge Maintenance Unit records indicated the bridge has a sufficiency rating of 44.5 out of a possible 100 for a new structure. The bridge is considered functionally obsolete. The replacement of this inadequate .structure will result in safer and more efficient traffic operations. II. EXISTING CONDITIONS Bridge No. 193 is located on SR 1508 (Markham Road) in Polk County over an unnamed branch of Pacolet River (Figure 2A). SR 1508 is classified as Rural Local in the Statewide Functional Classification System. Land use is mixed residential. The project location is within the Town of Tryon's zoning limits but outside of the town limits. Bridge No. 193 was constructed in 1960. The existing structure is a one-lane, single span bridge with an overall length of 30'-6" (9.3 m) and a clear roadway width of 17'-2" (5.2 m). The bridge consists of a timber deck on I-beams supported on timber caps with timber posts and sills. Bridge No. 193 currently has posted weight limits of 15 tons (13.6 metric tons) for single vehicle (SV) and 19 tons (17.2 metric tons) for truck-tractor semi trailer (ITST). The creek bed to roadway crown point height is 11' (3.4 m) and the normal depth of this unnamed branch of the Pacolet River is 1' (0.3 m). The approach roadway for Bridge No. 193 is an unmarked paved 16' (4.9 m) wide road (Figure 2B). The bridge is .located immediately south of the intersection with SR 1506 (Screven Road). Aerial power lines cross the northwest end of the bridge. An underground natural gas line runs along SR 1506 (Screven Road). A water line is located on the north shoulder of SR 1508 (Markham Road). Afire hydrant is located near the southeast bridge approach. T.I.P. No. 8-4240 Page 1 Polk County The 2002 estimated average daily traffic (ADT) volume is approximately 500 vehicles per day (vpd). The projected ADT is expected to increase to 700 vpd by the design year 2025. The percentages of truck traffic are 2% Duals and 1% TTST. The posted speed limit on this bridge ~is 20 MPH. No accidents were reported in the vicinity of the bridge during the period from January 1, 1998 to December 31, 2000. No school buses use Bridge No. 193. Polk County Emergency Services indicate that acceptable detours exist for Bridge No. 193 with no interruption of emergency services. III. ALTERNATIVES A. Project Description The approach roadway will consist of two 10-foot (3.0-meter) travel lanes with 5-foot (1.5-meter) shoulders (Figure 3). The design speed will be 20 mph to match existing conditions. Based on field reconnaissance of the site and a preliminary hydraulic analysis, the existing structure can be replaced with atwo-barrel 8-foot by 7-foot (2.4-meter by 2.1- meter) reinforced concrete box culvert or a comparable structure. The existing roadway elevation would be maintained. The length and opening size of the proposed culvert may increase or decrease as necessary to accommodate peak flows as determined from a more detailed hydraulic analysis to be performed during the final design phase of the project. B. Build Alternatives Two alternatives were considered as shown in Figures 4A and 4B. Alternative 1 This alternative proposes to construct the culvert at the existing location with an off-site detour. See Fgure 5. The skew angle of the culvert would be approximately 55°. Refer to Figure 4A. The total length of culvert and approach work is 200 ft. (61.Om). Alternative 2 (Preferred) This alternative proposes to construct the structure at downstream side. SR 1508 would be closed within the project limits during construction of the culvert and the roadway work. Refer to Figure 5. Traffic would be detoured via Beech Street, West Livingston Street, Cleveland Road, US 176, NC 108, and SR 1505 (Scriven Road). The skew angle of the culvert would be 90°. Refer to Figure 4B. The total length of culvert and approach work is 192.2 ft. (58.6m). According to local residents, it is very difficult to perform the turn from SR 1508 to SR 1506 Page 2 T.I.P. No. 8-4240 Polk County eastbound due to the intersection skew. Alternative 2 would improve this condition. C. Alternatives Eliminated from Further Study The "do-nothing" alternative will eventually necessitate removal of the bridge efFectively removing this section of SR 1508 from traffic service. Investigation of the existing structure by the Bridge Maintenance Unit indicates that rehabilitation of the old bridge is not feasible due to its age and deteriorated condition. D. Preferred Alternative Alternative 2, realigning the roadway to northeast and replacing the existing bridge with a culvert, is the preferred alternative. Alternative 2 was selected because it improves the alignment of the intersection, is more hydraulically efficient, has a smaller impact to the stream, and allows the. traffic to be maintained on the existing bridge during construction. N. ESTIMATED COSTS The estimated costs, based on current 2002 prices, are shown in Table 1. Tahle 1 ~ Estimated Costs Alternative 1 Alternative 2 (Preferred) Structure Removal (existing) 4,725 4,725 Structure (proposed) 75,000 65,000 Roadway Approaches 59,818 58,965 Miscellaneous and Mobilization 38,876 36,992 Engineering and Contingencies 21,581 34,318 ROW/Const. Easements/Utilities 67,000 67,000 TOTAL $267,000 $267,000 The total estimated cost of the project, as shown in the 2004-2010 Transportation Improvement Program, is $250,000 for construction. V. NATURAL RESOURCES A Natural Resources Technical Report was prepared by ARCADIS G&M of North Carolina, Inc. and is available at the North Carolina Department of Transportation (NCDOT) office. T.I.P. No. 8-4240 Page 3 Polk County Natural resources within the project study area were evaluated to provide: 1) an assessment of existing vegetation; 2) an evaluation of probable impacts resulting from construction; and 3) a preliminary determination of permit needs. A. Methodology Field investigations along the project study area were conducted by qualified biologists during the months of August 2001 and April 2002. Pedestrian surveys were undertaken to determine natural resource conditions and to document natural communities, wildlife, and the presence of protected species or their habitats. Published information regarding the project area and region was derived from a number of resources including: United States Geological Survey (USGS) 7.5-minute topographical quadrangle map (Landrum, North Carolina), United States Fish and Wildlife Service (USFWS) National Wetland Inventory (NWI) map, NCDOT aerial photomosaics of the project area (1"=100, and Natural Resources Conservation Service (NRCS) soil survey maps of Polk County. Water resources information was obtained from publications of the North Carolina Division of Water Quality (NCDWQ). Information concerning the occurrence of federal and state protected species within the project area and vicinity was gathered from the USFWS list of protected species (March, 2001) and the North Carolina Natural Heritage Program (NCNHP) database of rare species and unique habitats (July, 2001). Information concerning the occurrence of federal protected species was updated by the USFWS on February 25, 2003. Supplemental field investigations consisting of pedestrian surveys were conducted in May 2003. 6. Physiography and Soils Polk County is situated in the Inner Piedmont near the border with the Mountain physiographic province of North Carolina. The geography of the county consists of piedmont and mountain uplands, mountain coves and hillslopes, along with floodplains and stream terraces. Elevations in the project area range from approximately 945.0 ft (288.0 m) above Mean Sea Level (MSL) to 984.0 ft (300.0 m) above MSL as depicted on the Landrum, North Carolina, USGS topographic quadrangle map. The geologic features underlying the project area are associated with the Inner Piedmont Belt. This region typically contains a mix of metamorphic rocks interspersed with small masses of granitic rocks. The base formation is made up of biotite gneiss and schist interlaid with talc-silicate rock, sillimanite mica-schist, mica-schist, and amphibolite. Rock formations are inequigranular, with locally abundant potassic feldspar and garnet (N.C. Division of Land Resources, 1985). One soil association is present in the project area, the Pacolet-Madison-Rion association. Based on information obtained from NRCS soil survey (1998), the Pacolet-Madison-Rion association is comprised of strongly sloping to steep, very deep, well-drained soils that have a predominately clayey or loamy subsoil. It consists of about 33 percent Pacolet soils, 25 percent Madison soils, 18 percent Rion soils, and 24 percent minor soils. These soils are found primarily along ridges and hill slopes. The minor soils in the association Page 4 T.I.P. No. 8-4240 Polk County include Grover, Cecil, Hiawassee, Dogue, Chewacla, and Ashlar. Grover soils are found along ridges and hill slopes while Cecil and Hiawassee soils are, found on broad, gently sloping ridges. Dogue soils are found on gently sloping stream terraces near drainageways, while Chewacla soils are found on level floodplains. Ashlar soils are typically found in Piedmont uplands on stony hill slopes. Table 2 identifies each soil mapping unit and. its general characteristics found within the project area. Table 2: Soil Mapping Units Within the Project Study Area for B-4240. Polk Countv. North Carolina S mbol Soil Unit Name Slo General Characteristics Very deep, well-drained soils found on GrE Grover loam 25-45% Piedmont uplands. Develops from high-grade metamor hic rocks with hi h mica content. Moderately to very deep, well-drained soils RtE Rion-Cliffside 25-45% found on very stony hill slopes in Piedmont complex, very stony u lands. C. Water Resources C.1. Water Impacted The project study area is situated in NCDWQ Subbasin 03-08-06 and USGS Hydrologic Unit 03050105. The unnamed tributary of the North Pacolet River accounts for the surface waters in the project area. The North Pacolet River, NCDWQ Stream Index # 9- 55-1-(10), is the closest named water, (The unnamed tributary may be known as Little Creek, Stream Index No. 9-55-1-11.5). Refer to Figure 6. C.2. Wafier Resources Characteristics The North Pacolet River and its tributary in the project vicinity are classified as "C" waters. Class "C" denotes waters suitable for atl general uses including aquatic life propagation and survival, fishing, wildlife, secondary recreation, and agriculture. The tributary is approximately 3.0 to 5.0 ft (0.9 to 1.5 m) wide and 0.5 to 2.0 ft (0.1 to 0.6 m) deep in the project area. Banks appear to be channelized and are covered in kudzu (Pueraria montana). The streambed consists of boulders, cobble, gravel, and sand. The water was cloudy to muddy with a .moderate to heavy sediment load and a moderate to fast flow. No High Quality Waters (HQW), Water Supplies (WS-I or WS-II), or Outstanding Resource Waters (ORW) occur within the project vicinity. The Ambient Monitoring System (AMS) is a network of stream, lake, and estuarine water quality monitoring stations strategically located for the collection of physical and chemical water quality data. The type of water quality data or parameters collected is determined by the waterbodies' classification and corresponding water quality standards. The AMS determines the "use support" status of waterbodies, meaning how well a waterbody supports its designated uses. The waters in the project area are currently rated as Support-Threatened (ST). Waters designated "ST" fully support their intended uses but may not in the future unless pollution prevention measures are incorporated. T.I.P. No. 8-4240 Page 5 Polk County Excess sandy sediment and elevated nutrient levels are the primary problem parameters linked with this rating. There were no benthic macroinvertebrate sampling areas near the project study area. However, there were two benthic macroinvertebrate samples taken in 1995 in the project region along North Pacolet River. Site 6-1, located approximately two miles upstream at SR 1179; received a Good bioclassification. Site B-3, located approximately 3 miles downstream at SR 1501, received aGood-Fair bioclassification. The study suggested water quality had declined between these two locations as EPT macroinvertebrate richness and biotic index values were significantly lower at Site B-3. Point source dischargers located throughout North Carolina are regulated through the National Pollutant Discharge Elimination System (NPDES) program. Dischargers are required by law to register for a permit. According to NCDWQ (1997), there are seven permitted NPDES dischargers in Subbasin 03-08-06. The Tryon Waste Water Treatment Plant (<1.5 Million Gallons per Day), located approximately one mile downstream of the project location, is the only major discharger in the subbasin. C.3. Anticipated Impacts to Water Resources The proposed project is expected to impact both soils and topography. The topography is variable with moderate to abrupt changes in elevation. The proposed construction of a new bridge or associated road improvements will require the removal of soils and the placement of fill material. The primary sources of water quality degradation in urban areas are stormwater runoff and construction. Construction of a new bridge and approaches may disturb the stream banks and expose the soil surface. This may cause water quality degradation from runoff and sedimentation. Also, increased impervious areas can introduce other elements of degradation to water resources. These elements include hydrocarbons, toxic substances, debris, and other pollutants. Anticipated impacts to water resources include: additional substrate destabilization, bank erosion, increased turbidity, altered flow rates, and possible temperature fluctuations within the stream channel caused by the removal of streamside vegetation. Precautions should be taken to minimize impacts to water resources in the project vicinity. Aquatic organisms are very sensitive to discharges and inputs resulting from construction. Appropriate measures must be taken to avoid spillage and control runoff. Potential impacts associated with construction of the proposed project include the following: increased sedimentation, soil compaction, and loss of shading due to vegetation removal. Measures to minimize these potential impacts include the formulation of an erosion and sedimentation control plan, provision for waste material and storage, stormwater management measures, and appropriate road-maintenance measures. NCDOT's Best Management Practices for Protection of Surface Waters (BMPs- PSW) and Sedimentation Control guidelines should be strictly enforced during the construction stages of the project. Page 6 ~ T.I.P. No. 8-4240 Polk County The North Pacolet River and tributaries at the project site do not have a DWQ classification of "C-Tr", but Polk County is known to have Mountain Trout Waters (MTWs). Therefore, NCDOT, will coordinate with NCDWQ and strictly adhere to North Carolina regulation entitled, "Design Standards in Sensitive Watershedd' (15A NCAC 04B .0024) throughout design and construction of the project. C.4. Impacts Related to Bridge Demolition and Removal In order to protect the water quality and aquatic life in the area affected by this project, the NCDOT and all ..contractors will follow appropriate guidelines for bridge demolition and removal. These guidelines are presented in three NCDOT documents entitled: "Pre- Construction Guidelines for Bridge Demo/ition and Removal ", "Po/icy.• Bridge Demo/ition and Remova/ in Waters of the United States'; and "Best Management Practices for Bridge Demolition and Removal': The existing structure consists of a timber deck on I-beams supported on reinforced concrete abutments. The interior bent consists of a timber cap beam on timber posts with concrete sill. The timber will be removed without dropping components into Waters of the United States. The Unnamed Tributary is not designated as "C-Tr" waters. Because of this designation, the NCWRC does not require .any moratorium on in-stream and adjacent buffer area activities. D. Biotic Resources This section describes the existing vegetation and associated wildlife that occur within the project area. The project area is composed of different vegetative communities based on topography, soils, hydrology, and disturbance. These systems are interrelated and in many aspects interdependent. Potential impacts affecting these communities are also discussed. Scientific nomenclature and common name (when applicable) are provided for each plant and animal species listed. Subsequent references to the same organism include only the common name. D.1. Plant Communities Three highly disturbed. plant communities in the project study area: Canada Hemlock Forest, kudzu shrubland, and maintained/disturbed. These communities are described in greater detail below and presented in Figure 6. Canada Hemlock Forest The project area includes a relatively steep slope along its southern boundary which is vegetated with a highly disturbed Canada hemlock (Tsuga canadensis) woodland. The canopy is dominated by the nominal species. Other canopy trees include tulip poplar (Liriodendron to/ipifera), sycamore (P/atanus occidenta/is), red maple (Acer rubrum), beech (Fagus grandifo/ia), and red, white, scarlet and rock .chestnut oaks (Quercus rubra, Q. a/ba, Q, coccinea, and Q. montana). The shrub and vine species include poison ivy (Toxicodendron radicans), great rhododendron (Rhododendron maximum), mountain laurel (Ka/mia /atifo/ia), kudzu (Pueraria montana), and Virginia creeper (Parthenocissus T.LP. No. 8-4240 Page 7 Polk County quinquefolia). The herb layer is greatly reduced due to a dense layer of English ivy (Hedra helix). Kudzu Shrub/and The banks of the stream and adjoining slopes, especially in the eastem portion of the study area, are covered with a blanket of kudzu. This shrubland includes only a few other weedy species such as black willow (Sa/ix nigra), jewel weed (Impatiens capensis), ragweed (Ambrosia artemis/ifolia), and privet (Ligustrum sinense). Maintained/Disturbed Two areas of maintained grass lawn are centrally located in the study area. These lawns are kept in an early successional state by frequent mowing. The plant species include a variety of grasses (Poaceae) and lawn weeds such as henbit (Lamium amp/exicau/e), plantain (P/antago spp.), violets (I/io/a spp.), and dandelion (Taraxacum o~cina/e). D.2. Wildlife Communities Terrestrial wildlife in the area is limited. due to the highly modified state of the surrounding lands. These areas are likely to support domestic predators and introduced species that reduce habitat suitability for many native species. No direct wildlife sightings were made during field reconnaissance. The species listed are those likely to inhabit urban areas, fallow fields, and moderate woodland buffers. Reptiles in the area are likely limited to a few small, secretive species such as the eastem garter snake (Thamnophis sirta/is sirta/is), northem brown snake (Storeria dekayr), ground skink (Scincel/a /atera/is), broadheact skink (Eumeces fasciatus), and the midland water snake (Nerodia sipedon p/eura/is). Amphibians are likely to be represented by only a few species ~ such as Fowler's toad (Bufo woodhousei), and arboreal species such as the gray tree frog (Hy/a chrysosce/is). The predominant birds will be those adapted to open and disturbed habitats. They include the introduced house sparrow (Passer domesticus), European starling (Sturnus vu/garis), northem cardinal (Carding/is carding/is), robin (Turdus migratorius), white- throated sparrow (Zonotrichia a/bico//is), Carolina wren (Thryothorus /udovicianus), mourning dove (Zenaida macroura), and northern mockingbird (Mimus po/ygottos). Other less abundant bird species found in urban habitats include predatory species such as red-tailed hawk (Buteo jamaicensis), sharp-shinned hawk (Accipiter striates), and eastern screech owl (Otus asio). Mammals in the project vicinity, like the reptiles and birds noted above, are likely to be those adapted to open and disturbed habitats. Typical mammals in urban areas and fallow fields included eastern harvest mouse (Reithrodontomys humi/is), gray squirrel (Sciurus carolinensis), Norway rat (Rattus norvegicus), and cotton rat (Sigmodon hispidus). Others, such as eastern cottontail (Sy/vi/ages floridanus), raccoon (Procyon /otorj, Virginia opossum (Dide/phis virginiana), red fox (~u/pes vu/pes), and white-tailed deer (Odocoi/eus virginianus), frequent open fields bordered by woody vegetation. Page 8 T.I.P. No. B-4240 Polk County D.3. Aquatic Communities The quality of aquatic habitat in the stream at this location is expected to be moderate to poor due to urban-related impacts associated with the town of Tryon and the amount of sediment deposition. High, vertical banks prevented direct observation offish species. The most-likely fish to be in the project area are redbreast sunfish (Lepomis auritus), bluegill (L. marcochirus), mosquitofish (Gambusia holbrooki), creek chub (Semotilus atromacu/atus), and eastern silvery minnow (Hybognathus regius). Casual benthic macroinvertebrate sampling, by identifying species on overturned rocks, was not conducted in the project area. D.4. Biotic Resource Impacts The project study area consists of approximately 0.45 acres (0.18 hectares) of hemlock- dominated forest, 0.55 acres (0.22 hectares) of kudzu shrubland, and 0.25 acres (0.10 hectares) of maintained/disturbed community. The preferred alternative has the potential to encroach into these natural vegetative communities. Based on a preliminary analysis the total acreage that may be affected within each natural vegetative community is 0.08, 0.18, and 0.03 acres (0.03, 0.07, and 0.01 hectare) of hemlock- dominated forest, kudzu shrubland and maintained/disturbed respectively. Loss of wildlife is an unavoidable aspect of development. Temporary fluctuations in population of animal species which utilize these communities are anticipated during the course of construction. Slow-moving, burrowing, and/or subterranean organisms will be directly impacted by construction activities, while mobile organisms will be displaced to adjacent communities. Aquatic organisms are acutely sensitive to changes in their environment and environmental impacts from construction activities may result in long term or irreversible effects. Impacts usually associated with in-stream construction include increased channelization and scouring of the streambed. In-stream construction alters the substrate and impacts adjacent streamside vegetation. Such disturbances within the substrate lead to increased siltation, which can clog the gills and/or feeding mechanisms of benthic organisms, fish, and amphibian species. Siltation may also cover benthic macroinvertebrates with excessive amounts of sediment that inhibit their ability to obtain oxygen. These organisms are slow to recover and usually do not, once the stream has been severely impacted. The removal of streamside vegetation and placement of fill material during construction enhances erosion and possible sedimentation. Quick revegetation of these areas helps to reduce the impacts by supporting the underlying soils. Erosion and sedimentation may carry soils, toxic compounds, trash, and other materials into the aquatic communities at the construction site. As a result, bars may form at and downstream of the site. Increased light penetration from the removal of streamside vegetation .may increase water temperatures. Warmer water contains less oxygen, thus reducing aquatic life that depends on high oxygen concentrations. Due to potential water-quality impacts, the NCWRC requests a moratorium on in-stream T.I.P. No. 8-4240 Page 9 Polk County construction. The moratorium applies if the following species are supported by the stream: brown and brook trout (October 15 to March 31), rainbow trout (January 1 to April 15), brown, brook and rainbow trout (October 15 to April 15), and small mouth bass and red breasted sunfish (May 12 to tune 30). Mr. Scott Loftis, NCWRC District 9 Biologist, has determined that no moratoriums are needed at this location. E. Special Topic E.1. Waters of the United States Section 404 of the Clean Water Act requires regulation of discharges into "Waters of the United States." The U.S. Environmental Protection Agency (USEPA) is the principal administrative agency of the Clean Water Act; however, the U.S. Army Corps of Engineers (USAGE) has ~ the responsibility for implementation, permitting, and enforcement of the provisions of the Act. The USAGE regulatory program is defined in 33 CFR 320-330. Water bodies, including lakes, rivers, and streams, are subject to jurisdictional consideration under the Section 404 program. Wetlands are also identified as "Waters of the United States." Wetlands, defined in 33 CFR 328.3, are those areas that are inundated or saturated by surface water or groundwater at a frequency and duration sufficient to support, and under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions. Any action that proposes to place fill into these areas falls under the jurisdiction of the USAGE under Section 404 of the Clean Water Act (33 U.S.C. 1344). Surface Waters The NCDWQ defines a perennial stream as a clearly defined channel that contains water for the majority of the year. These channels usually have some or all of the following characteristics: distinctive streambed and bank, aquatic life, and groundwater flow or discharge. The tributary to the North Pacolet River is the only perennial stream identified in the project area. Detailed stream characteristics, including specific water-quality designations, are presented in Section C: Water Resources. Jurisdictions/ Wetlands There are no jurisdictional wetlands associated with the project study area. E.2. Impacts to Waters of the United States Temporary and permanent impacts to surface waters are estimated based on the amount of jurisdictional surface water contained within the project study area. Estimated surface water impacts are approximately 0.02 acres (0.01 hectares) along 115 linear feet (35 linear meters) of stream channel. Some temporary impacts to the North Pacolet River's tributary may be anticipated for bridge abutments and channel stabilization. Any bridge demolition activities will strictly follow NCDOT's "Best Management Practices for Bridge Demo/ition and Remova/" (BMPs-BDR). As per the BMPs-BDR, all methods of demolition shall be considered and implemented where practical, other than dropping the bridge in the water. Information regarding the existing bridge structure and the Page 10 T.I.P. No. 8-4240 Polk County potential amount of fill from demolition activities is not available at this time and will be supplied by NCDOT in the CE document for the project. There are no jurisdictional wetlands in the project area; thus, there are no impacts to jurisdictional wetlands associated with this bridge replacement. E.3. Permits Impacts to "Waters of the United States" come under the jurisdiction of the USACE. Permits will be required for highway encroachment into wetland communities. The Nationwide Permit No. 23 (Approved Categorical Exclusions) should cover the impacts to jurisdictional streams in the project area. Nationwide Permit No. 33 (Temporary Construcfion, Access, and Dewatering) may be needed for temporary construction access if that is not addressed in the NEPA document. Final permitting decisions are left to the discretionary authority of the USACE. A Section 401 General Water Quality Certification is also required for any activity which may result in a discharge into "Waters of the United States" or for which an issuance of a federal permit or license is issued. Certifications are administered through the NCDWQ. Final determination of permit applicability lies with the USACE. NCDOT will coordinate with the USACE after the completion of final design to obtain the necessary permits. Polk County is listed by the North Carolina Wildlife Resources Commission (NCWRC) as a county with Mountain Trout Waters (MTWs). No discharge activities will be authorized by Nationwide Permits within MTW counties without a letter of approval from the NCWRC and written concurrence from the Wilmington District Engineer. E.4. Evaluation The USACE has adopted, through the Council on Environmental Quality (CEQ), a mitigation policy which embraces the concepts of "no net loss of wetlands" and sequencing. The purpose of this policy is to restore and maintain the chemical, biological, and physical integrity of "Waters of the United States," specifically wetlands. Mitigation of wetland impacts has been defined by the CEQ to include: avoidance of impacts (to wetlands), minimizing impacts, rectifying impacts, reducing impacts over time, and compensating for impacts (40 CFR 1508.20). Each of these three aspects (avoidance, minimization, and compensatory mitigation) must be considered in sequential order. Avoidance Avoidance mitigation examines all appropriate and practicable possibilities of averting impacts to "Waters of the United States." According to a 1990 Memorandum of Agreement (MOA) between the USEPA and the USACE, in determining "appropriate and practicable" measures to offset unavoidable impacts, such measures should be appropriate to the scope and degree of those impacts and practicable in terms of cost, existing technology, and logistics in light of overall project purposes. No jurisdictional T.I.P. No. 8-4240 Page 11 Polk County wetlands will be impacted; however, some unavoidable impacts to surface waters may result from project construction. Minimization Minimization includes the examination of appropriate and practicable steps to reduce the adverse impacts to "Waters of the United States." Implementation of these steps will be required through project modifications and permit conditions. Minimization typically focuses on decreasing the footprint of the proposed project through the reduction of median widths, right-of-way widths, fill slopes, and/or road shoulder widths. The following methods are suggested to minimize adverse impacts to "Waters of the United States:" 1. Strictly enforce Best Management Practices (BMPs) to control sedimentation during project construction; 2. Clearing and grubbing activity should be minimized; 3. Decrease or eliminate discharges into the North Pacolet River's tributary; 4. Reestablishment of vegetation on exposed areas with judicious pesticide and herbicide management; 5. Minimization of "in-stream" activity; and 6. Use responsible litter control practices. Compensatory Miti aq tion Compensatory mitigation is not normally considered until anticipated impacts to "Waters of the United States" have been avoided and minimized to the maximum extent possible. It is recognized that "no net loss of wetlands" functions and values may not be achieved in each and every permit action. Appropriate and practicable compensatory mitigation is required for unavoidable adverse impacts which remain after all appropriate and practicable minimization has been required. Compensatory actions often include restoration, creation and enhancement of Waters of the United States, specifically wetlands. Such action should be undertaken in areas adjacent to or contiguous to the discharge site. Nationwide Permits usually do not require mitigation according to the MOA between the USEPA and the USACE. However, prior to the use of any nationwide permit within any of the 25 designated counties of North Carolina that contain trout waters, notification must be given to the Wilmington USACE District Engineer along with a written statement of compliance with all of the conditions of the applicable nationwide permit. This notification will include comments and recommendations from NCWRC. A plan to provide compensatory mitigation for all unavoidable adverse impacts to the mountain trout waters must be included in the information sent to the NCWRC. F. Rare and Protected Species Some populations of fauna and flora have been, or are, in the process of decline due to either natural forces or their inability to coexist with humans. Federal law, under the provisions of Section 7 of the Endangered Species Act (ESA) of 1973, as amended, requires that any action likely to adversely affect a species classified as federally- protected be subject to review by the USFWS. Other species may receive additional protection under separate laws. As of March 2001, the USFWS identified one Page 12 T.I.P. No. 8-4240 Polk County endangered (E) species, one threatened (T) species, and ten species of concern (FSC) as potentially. occurring in Polk County. The USFWS revised this list during February 2003 and identified one endangered (E) species, two threatened (T) species, and six species of concern (FSC) as potentially occurring in Polk County. F.1. Federally Protected Species Dwarf-flowered Heartleaf ~Hexasty/is nanitlora) Federal Status: THREATENED State Status: THREATENED Dwarf-flowered heartleaf is an evergreen herb, endemic to the upper Piedmont of southern North Carolina and northern South Carolina. The plant consists of dark green, heart-shaped, coriaceous leaves. that arise from a short rhizome, creating an herb that has a rosette appearance. This species has the smallest flower of any North American Hexasty/is species. The flowers bloom in the early spring and are less than 0.5 inches long, flask shaped (urceolate to campanulate), dark purple to brown with some green, and usually found buried under leaf-litter. Plants are found on acidic sandy soils on bluffs and ravines and is usually associated with mountain. laurel (Ka/mia /atifo/ia) thickets in hardwood forests. The soils preferred by this species include Pacolet, Madison gravelly sandy loam, and Musella fine sandy loam. Biological Conclusion: No Effect Acidic soils on bluffs and ravines are available in the project area, but neither Pacolet, Madison, nor Musella soils are mapped in the vicinity. According to the NCNHP, there are no known populations of dwarF flowered heartleaf within a one mile (1.6 km) radius of the.. project study area. Aplant-by-plant survey was performed in April of 2002 which is within the optimal survey window for this species. No specimens of dwarf flowered heartleaf were observed. No impacts to this species from project construction are anticipated. White irisette ~Sisy~inchium dichotomum) Federal Status: ENDANGERED State Statue: ENDANGERED White irisette is a small (10 to 20 centimeters) perennial herb. It has bluish to pale green basal leaves that form one-third to one-half the height of the plant. Tiny white flowers appear from late May through July in clusters of four to six at the end of winged stems that grows in adichotomously-branching pattern. This plant is found in dry to mesic open woodlands, edges and clearings over mafic rock, usually amphibolite. It is endemic to a small area in the upper Piedmont of North and South Carolina. Biological Conclusion: No Effect The. soils in the project area are highly acid and not the basic, maflc-originated soils this species prefers. The forest in the area is very shrubby and dense with a closed canopy. Suitable habitat is not available in the project area. According to the NCNHP, there area no known populations of white irisette within a one mile (1.6 km) radius of the project. study area. No impacts to this species from project construction are anticipated. T.I.P. No. 8-4240 Page 13 Polk County Small-whorled Pogonia (Isotria medeo%ides ) Federal Status: ENDANGERED State Status: ENDANGERED The small-whorled pogonia was known historically from Maine to Georgia, with the exception of Delaware along the eastern seaboard and in Michigan, Illinois, and Missouri. In North Carolina the small-whorled pogonia is found in the Nantahala National Forest, Macon County and near Flat Rock, Henderson County. The small-whorled pogonia is a perennial orchid with long pubescent roots and a hollow stem 4 to 10 inches (10 to 25 centimeters) tall. Stems terminate in a whorl of five or six light green, elliptical leaves that are somewhat pointed. Leaves measure approximately 3 by 2 inches (8 by 4 centimeters). One or two light green flowers are produced at the end of the stem from mid-May to mid-June. Flowers have short sepals that are 1 inch (3 centimeters) long. Biological Conclusion: No Effect The small-whorled pogonia grows in "second growth deciduous" or deciduous-coniferous forests, with an open. canopy, open shrub layer, and sparse herb layer. This species prefers acidic soils. Flowering is inhibited in areas where there is relatively high shrub coverage or high sapling density. The forest in the project study area is very shrubby and dense with a closed canopy, a condition not favorable to small-whorled pogonia colonization. No impacts to this species from project construcfion are anticipated. F.2. Federal Species of Concern There are six federal species of concem listed by the USFWS for Polk County. These species are not protected under the provisions of Section 7 of the Endangered Species Act. Federal species of concem area defined as species under consideration for listing for which there is insufficient information to support listing as threatened or endangered (formerly C2 candidate species). The status of these species may be upgraded at any time, thus they are included here for consideration. The NCNHP lists of February 2003 included these. species and identified an additional seven species receiving protection under state laws. Protections afforded to species listed under state law are not applicable to -this project. Table 3 lists the federal species of concern, their state status, and the existence of suitable habitat within the project area. A review of NCNHP maps depicting known populations of these federal species of concern found no populations within a one mile (1.6 km) radius of the project study area. Table 3: _ Federal Species of Concem known from Polk County, North Carolina. Page 14 T.I.P. No. 8-4240 Polk County Table 3: Federal Soecies of Concern known from Polk County, North Carolina. Scientific ~deral Sate ~ reahitat Availa~iie Name Cor~nmon Name Status Status uirements`' Habitat Neotoma Southern FSC SC Rocky places in Yes floridana Appalachian deciduous or mixed haematoreia woodrat forest Inverbebra~es Speyeria diana Diana fritillary FSC SR Rich woods and Yes butterFly adjacent openings; Host plants - Vo/a s Pyrgus Wyandot FSC* SR Openings and No wyandot (=grizzled) skipper edges in wooded hilltops; host plants -- Rosaceae, such as wild strawberry Fra ria Vascular Plan ts Orbpxilum Bigleaf scurfpea FSC* E Low mountain Yes macrophyllum forests or outcro ? Juglans cinerea Butternut FSC - Cove forests and Yes rich woods Che%ne Cuthbert's FSC* SR-L Bogs No cuthberiii turtlehead Senerro Divided-leaf FSC T Granitic domes and No mi/lefo/ium ra wort other rock outcro Hexastylis French Broad FSC C Cove forests Yes rhombiformis heartleaf Marsha/lia Large-flowered FSC* SR T Bogs, dry basic No randiflora Barbara's buttons soils Monotropsis Sweet pinesap FSC* SR-T Dry forests and No odorab bluffs Notes: FSC -Federal Species of Concern; E - Endangered; T -Threatened; SC -Special Concern; C - Candidate; P -Proposed; SR - Signifcantly Rare; SR-L -Significantly Rare-Limited * -Historic record -the species was last observed in the county more than 50 years ago. VI. CULTURAL RESOURCES A. Compliance Guidelines This project is subject to compliance with Section 106 of the National Historic Preservation Act of 1966, as amended, implemented by the Advisory Council on Historic Preservation's Regulations for Compliance with Section 106, codified at 36 CFR Part 800. Section 106 requires that for federally funded, licensed, or permitted projects having an effect on properties, listed in or eligible for the National Register of Historic Places, the Advisory Council on Historic Preservation be given the opportunity to comment. T.I.P. No. 8-4240 Page 15 Polk County B. Historic Architecture Irr a memorandum dated January 29, 2002 the Stat (SHPO) conducted ~ a search of their files and stated structures of historical importance located within the further compliance with Section 106 is required. A copy included in the Appendix. C. Archaeology e Historic Preservation Officer that they were aware of no planning area. Therefore, no of the SHPO memorandum is The State Historic Preservation Officer (SHPO), in a memorandum dated. January 29, 2002, stated, "We have conducted a review of the proposed undertaking and are aware of no historic resources which would be affected by the project. Therefore, we have no comment on the undertaking as proposed." A copy of this memorandum is included in the Appendix. VII. ENVIRONMENTAL EFFECTS The project is expected to have an overall positive impact. Replacement of an inadequate bridge will result in safer traffic operations. The project is a Federal "Categorical Exclusion" due to its limited scope and lack of significant environmental consequences. The bridge replacement will not have an adverse effect on the quality of the human or natural environment with the use of current NCDOT standards and specifications. The project is not in conflict with any plan, existing land use, or zoning regulation. No significant change in land use is expected to result from construction of the project. No adverse impact on families or communities is anticipated. Right of way acquisition will be limited. No relocatees are expected with implementation of the proposed alternative. The studied route does not contain any bicycle accommodations nor is it a designated bicycle route; therefore no bicycle accommodations have been included as part of this project. No adverse effect on public facilities or services is anticipated. The project is not expected to adversely affect social, economic, or religious opportunities in the area. There are no publicly owned recreational facilities, or wildlife and waterfowl refuges of national, state, or local significance in the vicinity of the project. This Categorical Exclusion has proceeded in accordance with the Executive Order 12898 requirement that each federal agency, to the greatest extent allowed by law, administer and implement its programs, policies, and activities that affect human health or the Page 16 T.I.P. No. 8-4240 Polk County environment so as to identify and avoid "disproportionately high and adverse" efFects on minority and low-income populations. The proposed project will not directly impact minority or low-income residences, segment existing minority communities, or separate residential areas from nearby services such as schools. The proposed project will not require right-of-way acquisition or easement from any land protected under Section 4(f) of the Department of Transportation Act of 1966. No geodetic markers will be impacted during construction of this project. There are no gaging stations on the unnamed North Pacolet tributary. The Farmland Protection Policy Act requires all federal agencies or their representatives to consider the potential impacts to prime and important farmland soils by all land acquisition and construction projects. Prime and important farmland soils are defined by the Natural Resources Conservation Service (NRCS). There are no prime or important farmlands in the immediate vicinity of the proposed bridge. This project is an air quality "neutral" project, so it is not required to be included the regional emission analysis (if'applicable) and a project level CO analysis is not required. This project is located in Polk County, which has been determined to be in compliance with the National Ambient Air Quality Standards. Since the proposed project is located in an attainment area, 40 CFR Part 51 and 93 are not applicable. This project is not anticipated to create any adverse effects on the air quality of this attainment area. If vegetation at the construction site is disposed of by burning, all burning shall be done in accordance with applicable local laws and regulations of the North Carolina State Implementation Plan (SIP) for air quality in compliance with 15 NCAC 2D.0520. No additional through travel lanes are planned for this project, therefore traffic volumes will not increase or decrease because of this project. -There are no receptors located in the immediate project area. Noise levels could increase during construction but will be temporary. Temporary noise level increases may be mitigated by applying time restrictions to construction activities. This evaluation completes the assessment requirements for highway traffic noise (23 CFR Part 772) and for air quality (1990 CAAA and NEPA) and no additional reports are required. The project's impact on noise and air quality will not be substantial. An examination of records at the North Carolina Department of Environment and Natural Resources, Division of Water Quality, Groundwater Section and the North Carolina Department of Human Resources, Solid Waste Management Section revealed no hazardous waste sites in the project area. A field investigation and examination of records reveal that no underground storage tanks exist in the project study area. T.I.P. No. 8-4240 Page 17 Polk County Polk County is a participant in the National Flood Insurance Regular Program. This site on an unnamed North Pacolet River Tributary is not included in a detailed FEMA flood study. Attached is a copy of the Flood Insurance Rate Map, on which .are shown the approximate limits of the 100-year flood plain. in the vicinity of the project (Figure 7). On the basis of the above discussion, it is concluded that no significant adverse environmental effects will result from implementation of the project. VIII. PUBLIC INVOLVEMENT Efforts were undertaken early in the planning process to contact local officials to involve them in the project development with scoping letters. For this bridge replacement study, all of the alternatives will provide for the maintenance of traffic on-site during construction of the replacement structure. There are no anticipated relocates and minimal impacts to surrounding properties. Therefore, no formal public involvement program was initiated. IX. AGENCY COMMENTS Agency comments are summarized below. Letters from the commenting agencies are included in the Appendix. 1. Polk County School Transportation Director Comment: "This bridge is not used for school bus trave% " Response: So noted. 2. Polk County Emergency Medical Service Comment: "c%sing of road at bridge site show/d not create an unworkab/e situation. Rerouting is possible and shou/d not cause any delays " Response: Traffic will be maintained on the existing bridge during construction. . 3. Division Engineer Comment: "Even though the potential off site detour involves several streets, it wi// not like/y confuse the local drivers .. If traffic needs to be maintained on this project the new structure wi//have to be constructed in phases " Response: Traffic will be maintained on the existing bridge during construction. Page 18 T.I.P. No. B-4240 Polk County X. REFERENCES Cowardin, L. M., V. Carter, F. C. Golet and E. T. LaRoe, 1979. Classification of Wetlands and Deepwater Habitat of the United States. Fish and Wildlife Service, U.S. Department of the Interior. Carolina Geological Society, 1991. The Geology of the Carolinas. The University of Tennessee Press, Knoxville, TN. 406 pp. Environmental Laboratory, 1987. Corps of Engineers Wetlands Delineation Manual, Technical Report Y-87-1. United States Army Engineer Waterways Experiment Station, Vicksburg, Miss. 100 pp. + appendices. Martof, B. S., Palmer, W. M., Bailey, ]. R., and J. R. Harrison III, 1980. Amphibians and Reptiles of the Carolinas and Virginia. The University of North Carolina Press, Chapel Hill, NC. 264 pp. National Audubon Society, 1979. Field Guide to North American Reptiles and Amphibians. Alfred A. Knopf, New York, NY. 743 pp. North Carolina Division of Water Quality, Department of Environmental Management (NCDEM), 2000. French Broad Basinwide Water Quality Management Plan. Water Quality Section. North Carolina Geological Survey (NCGS), 1991. Geologic Map of North Carolina. Printed 1991, reprinted 1996. North Carolina Natural .Heritage Program, 2001. Element Occurrence List for Polk County, North Carolina. North Carolina Division of Parks and Recreation, Raleigh, North Carolina. Radford, A. E., Ahles, H. E., and C. R. Bell, 1968. Manual of the Vascular Flora of the Carolinas. The University of North Carolina Press, Chapel Hill, NC. 1183 pp. Rosgen, D. L., 1996. Applied River Morphology. Wildland Hydrology, Pagosa Springs, CO. Schafale, M. P. and A. S. Weakley, 1990. Classification of the Natural Communities of North Carolina, A Third Approximation. North Carolina Natural Heritage Program, Division of Parks and Recreation, Department of Environment, Health and Natural Resources, Raleigh, NC. Stokes, Donald and Lillian, 1996. Stokes Field Guide to Birds, Eastern Region. Little, Brown, and Company, New York, NY. 471 pp. United States Fish, and Wildlife Service, 2001. Polk County Endangered Species, Threatened Species and Federal Species of Concern. United States Department of Interior. Webster, W. D., Parnell, J. F., and W. C. Biggs, 1985. Mammals of the Carolinas, Virginia, and Maryland. The University of North Carolina Press, Chapel. Hill, NC. 255 PP• T.I.P. No. B-4240 Page 19 Polk County FIGURES Figure 1 Vicinity Map figure ZA Photographs Figure 2B Photographs Figure 3 Typical Section Figure 4A .Plan View A/ternative 1 Figure 4B Plan View Alternative 2 Figure 5 Off-Site Detour Route Figure 6 Natural Communities and Surface Waters Figure 7A 100-year Flood P/ain Figure 7B 100-year Flood P/ain Inset 0.25 0 0.25 0.5 MILES L~~V~lfVSTREAM \/IEV1/ FROM BRIDGE ~~e~e x®. ~ X40 ~~~ ~ '~ t~.re ~~ .~~ ~~{ -' 3i ~ rt ~~ ~' `" 1 z. *~:, ~ ~ ~ r ' Y~ . ~.. ,~ _. 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' a ~ - - - - ~ ~ ::p;. ,~. , h: a l - - ~ ~ ~ ~ - - ; g ,r.. - ;~ ;;- 66/Ll/B ysd•Z=1Q ¢b7b8~oZ(°9 2 SNOISIA3M 0.10 0 0.10 0.20 MILES roe : ~ y,~ ~..~ - s~ ~ ~' N ~ ~a c 1505 1506 1508 ' • SL~b'Efi ., •• ~• S Rd. O 778 ••+ -- ~ _ ~St. :• ~ - St • •• ~ 1 ~$ ~ Lo~TION .~ ~, i 4 a Q ., ~ Q ""~I! ~ est ~~v\n9=to~ LL ~ tea. ~w~ ~ mac 176 ? ~' ~ `° ffi •• Tryon s• •~=~ ~ ~.1,ne ••. EIev.1,075 _ •. .. 6 "P~ ,~soa N $4 FiDWVy / ,m - - - ~. ~ n-oRni c~ ~ ` o 1 0 1 2 MILES xau~ss c~xoLavA vsPAx~tr auo TRAIITSPORTATI011i PROj6CT DS[~6LOPM8N1' b' SNI?I~ONM~IIIAL ANALYSIS BiLlNCB FOLK COUNTY TIP XO.8-4240 BRIDGE NO l93 ON SR 1508 OVER UNNAMED NORTS PACOLBT TRIBUTE OFF-SIZE DETOUR FIGURE S .,,. ~~~ `Dom ~~ ~ ~ '4 y ~~ ~ zv ~ ~~, ~ Z ~ ,:;.:: ;~~. tea,. , . ~ ~ - ''~ ~ W ~ ''' .;.r,' ~ ~a., n . ~. i ~~~~~; ~ . :,,~ o m ;~ '~ ~ ~~ s \~~ ~~~ T 0 i~. i m z D ' ~ ~ C ~ ! ~ ~: c a, n ~. T Q~Qy , O v rn O ~l• ~ ` Y' ~ ~ v ~ y~t~ n _ ~ ~ ~'~- 0 00 ~ c ~. ~. ~ -~ ~ V1 '' ;~ .. ~ p ao V1 D ~ ~ C ,~ ~,~~ •~ = G7 TI '~ , n 0w rn o ~ .. ~ z D :r ~ ~ ~ ~f m ~~ ~ ~o ~ ' 8 ~' TI f ~~~' r ~^• ~ Y ~ I QO fp 0 I N ~; Y. w.~~ <-+~ a ~•~ r ~~ \\~ .: `. t ~ f ,• Wit,{l ;.Yt . .l V~~?? ~ •, t••• f ~j, ~ ~ , 7•••. •.`.,• '••,• NA~ VE A ~ ._ T~ 8-4240 BRIDGE No. 193 TOWN . OF TRYON ~~q NpT INCLUDED) r° ,oJ4 ~~ 1 ~~: :^ 'I `\ Q `\~~6' \ ~rr~oxiw-tE sa-u w sF~r: 2000 p 2000 FEMA soo-l'F.AR FLOOD MAP ~UNDARY ____~ ... ~"' ~'~'~'~ ~:r HoxrfrcAxornva DSPAR1MBKl'OFTRANSPORTA7ZON PROLBC!'DSVB7APMENT ~ ffiW~LO] NME11T!'AL AlYALYSLS POLKCOUNIY TIPNO. B-s~24o REPLACEMENT BRIDGE NO. i93 OVER NORTSPACOLET TRIBUTARYONSR 1508 FEMA ioo-i'F.AR FLOODMAP Fegure 7A r ~. FEDERAL. EMERGENCY MANAGEMENT AGENCY ~ TOWN OF TRYON, ~NC s-azao BRIDGE No.193 ~~ _....~ w~~II ii A1'1'1lV7WNA~ C .1{.I~K \~l! Q00 0 000_ 1.200 1800 FEET -~~ /-- ~ ~ ~~~ ZONE A l,~O v ., f qo ~'~'' Pa ~ ~ JOIN 0 ~ DSPARTMSK!'OFTRANSPbRTATTON p/(o, ~BL7' DEV6LOP1 NBNT ~ -. ~ giWDtO1V1-ffsKlALANALYSIS POLK COIIIV'I'Y TIP NO. B sj2¢o REPLACEMENT BRIDGENO. i93 OVER NORTH PACOLET TRIBUTARYON SR 1508 FEMA soo-YEAR FLOOD MAP FEMA ioo-YEAR FLOOD MAP Figure 7B i ~~ I US~ Fish and Wildlife Service . 160 Zillicoa Street Asheville, NC 28801 Phone 828-258-3939 lxt 237, Fax 828 258-5330 MEMO FOR: William T. Goodwin, P.E. DATE: Tune 27, 2002 FROM: Mazella Buncick SjJ$JECT: Review of NCDOT 2005 Bridge Program I have completed initial review of the approximately 70 proposed bridge replacements for NCDOT Divisions 9-14 for the year 2005. I would like to commend NCDOT for obtaining the natural resource information up front and allowing the agencies to review the proposals and provide comments so eazly in the process. It was a large volume of work for everyone involved but I feel that the input will be much more meaningful at this eazly planning stage. Attached is a spreadsheet with specific comments for each project reviewed. All of the projects have been assigned a Green, Yellow, or Red ranking depending on the resources affected and the need for future consultation. As you will note, the majority of the projects received a Yellow ranking. This. is due in large part to the fact that there are unresolved issues related to listed species. Many of these projects likely will become Green projects after further field review. However, obligations under Section 7 of the Act must be reconsidered if: (1) new information reveals impacts of this identified action that may affect listed species or critical habitat in a manner not previously considered, (2) actions are subsequently modified in a manner that was not considered in this review, or (3) a-new species is listed or critical habitat is determined that maybe affected by the identified action. I also have general comments regarding the process and reports. My general comments follow. Report Content and Organization 1. The reports would be more easily handled if they were not spiral or otherwise bound 2. Maps need to be much better. Without a significant landmark-- highway, larger town, other feature - it sometimes~took a long time to figure out the location of the project within a county. 3. The reports were organized somewhat similazly, but more consistency would aid in the review process. Perhaps a table that has the significant features ---stream width, depth, DWQ class, etc.--also would help. 4. For listed species, it often was difficult to tell whether field surveys had been conducted or whether the information was limited to a database search. 5. In the future, I would appreciate having the Rosgen stream classification included as part of the information: . Listed Species Snryeys Projects currently ranked as Yellow will need to be reviewed in the future after the stated _ issues are resolved. For those reports with unresolved issues related to listed species, I would recommend that NCDOT wait until closer to implementation time to conduct final surveys. In general, after three to five years we need updated information regarding the project and listed species. Additionally, when aquatic species are involved (particularly mussels) several surveys may be required to adequately determine presence or absence. The three projects receiving a Red ranking will need to be followed very closely to determine future consultation requirements. These include B-4287 (actually 2 bridge replacements), &4286, and B-4282. These projects were ranked as Red because of the significance of the number of listed resources potentially affected and the river (either main stem or tributary) involved. I would encourage NCDOT to require consultants to at least assess habitat for the bog turtle. While the bog turtle technically does not require Section 7 consultation, it is a species of concern and NCDOT is actively managing mitigation sites or parts of sites for this species. Additionally, the Wildlife Resources Commission considers this animal rare in NC and participates actively in surveys and conservation efforts on its behalf. Bridge Design and Construction Practices I am assuming that FWS comments/recommendations in the past regarding bridge design, demolition, and construction practices will be folded into each'of these projects. Since NCDOT is also working on a BMP manual that covers these practices, I think it would be redundant to state them again. However, if any questions arise, please let me know. I would like to emphasize that we prefer off-site detours wherever possible, to minimize effects to resources. Each of these projects has been assigned a log number. Please refer to these numbers in future requests regarding the subject projects. Thank you again for the opportunity to provide these comments. If you have~questioas, please let me know. . .' 0 0 m 0 o. m O) a t m m a N 'O O N C m I: V y i ; ! I ' I ' i I a ~ i ~ ml ! ! 1 I Imp ( a ~ m ~ ~ 1 I ' ~N! ~ ~ gym! 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C C~'0'0- O O O 3!3 3j3 3!~3 3.=.0•.:353: 3 NL a}~Im=cli.ail-il0 ~•~~~ ~ a a x~~:~ix.~ ~:~ ~:~ ~A to cna Iy ~ I-1•-~3=~;~1~}>- !r~.~apim}N O OitO1a0•Cf~O r~~itgimj~ Ni~7i0 tC~P• tID Oir(p.^ t70%tT1iC OIGf.Cf O l+) ~' tp}t0=tA.tO'(O} ~m~~ O: ~ttp•ttD:ND t>D Of =Of;r,r.r;N!l'7 r!r r N N N N.N•N N N+NtN.N:m NiN,N:NtN N N:N:eO t!O lh t!7:Ch q''Y'Y Y Y Y `r;Y•Y Y~~'Y~Y''Y:o Y`~'~Y Y•Y Y Y'}'~~Y'Y `t Y•q m~m:m m m m m~m.aD•m'mimim m:c m n m m+m m m m%m'GD m~m=m i~:-~ ~~3~313~x x r ~•x:}~~~} 'x-a•a }~ r x x o -~ o 0'3 !o:-'o,ooloicnv~•~~rn:~~!~ cnc~oap~tnm~"'g~~c DEPARTMENT OF THE ARMY WILMINGTON DISTRICT, CORPS OF ENGINEERS I51 PATTON AVENUE ROOM 208 ASHEV[LLE, NORTH CAROLINA 28801-5006 rtEw.~ to ar~rww oF: Regulatory Division May 20, 2002 Asheville Regulatory Field Office Mr. William T. Goodwia, Jr., PE Bridge Replacement Planning Unit . Project~Development & Environmental Analysis Branch 1548 Mail Service Center Raleigh, N.C. 27699-1548 Subject: Review of Natural Systems Technical Reports for bridge replacement projects scheduled for construction in CFY 2005; Distribution Group 1 Dear Mr. Goodwin: Reference your letters February 18, 2002, March 1, 2002, March I8, 2002, and April 24, 2402 rzgarding our scoping coriments on the fallowing proposed bridge replacement projects: 1. TIP Project No. B-4070, Bridge No.112 on SR 1347 over Hanging Dog Creek, Cherokee County. 2. TIP Project No. B-4239, Bridge No. 2 on SR 1102 over North Pacolet River, Polk County. 3. TIP Project No. B-42 ;Bridge No: 193 on SR 1508 over unnamed tributary of North Pacolet River, Pollc County. 4. TIP Project No. B-4286, Bridge No. 3 on US 19/74 over Nantahala River, Swain County. 5. TIP Project No. B-4287, Bridge Nos. 99 and 100 on SR 1100 over Nantahala River, Swain County. 6. TIP Project No. B- 4288, Bridge No. 85 on SRI 107 over East Fork French Broad River, Transylvania County. 7. TIP Project No. B-4290, Bridge No. 52 on SR 1379 over North Fork French .Broad River, Transylvania County. 8. TIP Project No. B-4291, Bridge No. 193 on SR 1533 over Davidson River, Transylvania County. _ Although it does not appear that any of these proposed bridge replacement projects will impact jurisdictional wetlands, Department of the Army (DA) permit authorization, c pursuant to Section 404~of the Clean Water Act of 1977, as amended, will be required for the discharge ofexcavated-or~fill material in waters (and wetlands, if applicable) of the United States, including disposal of construction debris.. Specific permit requirements will depend on design of the projects, extent of fill work within the waters of the United States, construction methods, and other factors. Although these projects may qualify as a Categorical Exclusion, to qualify for nationwide permit authorization under Nationwide Permit #23, the project planning report should contain sufficient information to document that the proposed activity does not have more than a minimal individual or cumulative impact on the aquatic environment. All activities, including temporary conshuction, access, and dewatering activities, should be included in the project planning report.. Our experience has shown that.replacing bridges with culverts often results in sufficient adverse impacts to consider the work as having more than minimal impacts on the aquatic environment. Accordingly, the following items need to be addressed in the project planning report: a. The report should contain the amount of permanent and temporary impacts to waters and wetlands as well as a description of the type of habitat that will be affected by tkte proposed project. b. Off-site detours aze generally preferable to on-site (temporary) detours which impact waters or wetlands. If an on-site detour is the recommended action, justification should be provided that demonstrates that alternatives with lesser impacts are not practicable. Please note that an onsite detour constructed on a spanning structure can potentially avoid permanent impacts to waters or wetlands and should be considered whenever an on-site detour is the recommended action. For projects.where a spanning structure is not feasible, the NCDOT should investigate the existence of previous onsite detours at the site that were used in previous construction activities. These areas should be utilized for onsite detours whenever possible to m n;mi~e impacts. For proposed projects and associated on-site detours that cause~minimal losses of waters or wetlands, an approved restoration and monitoring plan will be required prior to issuance of a DA nationwide or Regional general pemut. For proposed projects and associated on-site detours that cause more than minimal losses of waters or wetlands, an individual DA permit and a compensatory mitigation proposal for the unavoidable impacts maybe required. a Project commitments should include the removal of all temporary fills _ from waters and wetlands and "time-of-year" restrictions on in-stream work if recommended by the NC Wildlife Resources Commission. d. All restored areas should be planted with endemic vegetation including trees, if appropriate. For projects proposing a temporary onsite detour, the entire detour area, including any previous detour from past construction activities, should be removed in its entirety. e. The report should provide an estimate of the linear feet of new impacts to streams resulting from construction of the pmject. d. If a bridge is proposed to be replaced with a culvert, NCDOT must demonstrate that the work will not result in more than minimal impacts to the aquatic environment,. specifically addressing the passage of aquatic life including anadromous fish. The work must also not alter the stream hydraulics and create flooding of adjacent properties or result in unstable stream banks. g. The report should discuss and recommend bridge demolition methods and shall include the impacts of bridge demolition and debris removal in addition to the impacts of constructing the bridge. The report should also incorporate the bridge demolition policy recommendations pursuant to the NCDOT policy entitled `Bridge Demolition and Removal in Waters of the United States" dated September 20, 1999. h. Lengthening existing bridges can often benefit the ecological and hydrological functions of the associated wetlands and streams.. In some cases bridge approaches are connected to earthen causeways that were built over wetlands and streams. Replacing these causeways with longer bridges would allow previously impacted waters, wetlands and floodplains to be restored. In an effort to encourage this type of work, mitigation credit for wetland restoration activities can be provided to offset the added costs of lengthening an existing bridge. i. Based on the information provided and the recent field investigations of the referenced project sites, the replacement ofthe subject bridges, most over high quality, mountain trout waters, has the potential for significant adverse impacts to those aquatic resources. Also, the presence/status of at least one federally listed species identified in the natural systems report for each project remains unresolved, and will require further study before an effect determination can be made. j. You have requested that the referenced projects be given a designation of "Red", "Green" or "Yellow" as explained in your letters. At this time, all the projects listed above would receive a "Yellow" designation by our office for the reasons specified in the preceding paragraph. Should you have any questions please call Mr. John W. Hendrix in the Asheville Regulatory Field Office at 828-271-7980, ext. 7. 1 _. y 1 $1nCerel~/~ John W. Hendrix Project Manager d s United States DeParEsnent Of A®s'iCUitw'e ~NRCS Nadiral Resources ca~uervauon senioe ~ R,acooon iioad. sine 246 WayrtesvWe, NC 28786 Phone 828 4566341 end. 5 FAX828452-7031 , March 21, 2003 Michael P. Eagan MA.Engineering Consultants, Inc. 598 E. Chatham Street, Suite 137 Cary, NC 27511 SUBJECT: AD-1006 Forms for Bridge Replacements in Cherokee, Graham and Polk Counties Because the soil survey information is incomplete in Graham and Cherokee Counties, The AD- 1006 for Bridge #112 and #117 cannot be completed. Bridge replacements #2 and #193 in Polk County do not Involve prime, unique or statewide important farmland. All forms are enclosed. If I can be of further assistance, please feel free to call on me at 828 456-6341, extension 5. Sincerely, ~. Mic 1 L. Sherrill Resource Soil Scientist , cc: Gerald Harbinson John Curtis Michael Wiggins r _,_ ... _... :;~. ;~: •~. ~~ s k~AR 2 4 iCi~3 ~t~ la~ The Natural Resources Conservation Service Prowl kadersMp in a partnership effort to he1P People conserve, maintain, and improve our natural resources and environnrcnt. M Equal Opportunity Provider and Employer ® North CarolinaWil ' e Resources Commission Charles R Fullwood, Executive Director ME1vIORANDUM TO: William T. Goodwin, P.E., Unit Head _ Bridge Replacement Planning Unit - Project Development and Environmental Analysis Branch, NCDOT cw.. FROM: Owen F. An~rson, Mountain Re 'on Coordinator gr Habitat Conservation Program DATE: May 28, 2002 SUBJECT: Scoping and Natural Resources Technical Report, Replace Bridges No. 193 on SR 1508 Over an Unnamed Tributary to the North Pacolet River, Polk County, TII' No. B-4240 Fish and >'~Idlife Project Status: GREEN . Biologists with the North Carolina Wildlife Resources Commission familiar with the project area have reviewed the technical report for the subject project to assess the potential for adverse impacts to fish and wildlife resources. ~ Our comments are provided in accordance with provisions of the. National Environmental Policy Act (42 U.S.C. 4332(2)(c)) and the Fish and Wildlife Coordination Act (48 Stat. 401, as amended; l6 U.S.C. 661-667d). The proposed work involves the replacement of bridge number 193on SR 1508 over an unnamed tributary to the North Pacolet River. Construction impacts on fish and wildlife resources will depend on the extent of disturbance in the streambed and surrounding floodplain areas. The riparian corridor is showing signs of urbanization and much of the vegetative cover is characterized as kudzu. Although we would expect the riparian corridor to be relatively important for area wildlife, fish and wildlife habitat would be considered somewhat degraded and wildlife diversity is likely limited. ~ - -The Division of Water Quality classifies the unnamed tributary of the North Pacolet River _ as C. This stream is riot designated as trout waters by the NCWRC. We are of the opinion that this project is not likely to result in adverse impacts to trout. Mailing Address: Division of Inland Fisheries • 1721 Mail Service Center • Raleigh, NC 27699-1721 Telephone: (919) 733-3633 rxt. 281 • Fax: (919) 71~-7643 1 ~ + Tip No B-4240, Bridge 193 SR 1508 .2 Ivlay 28, 2002 Polls County, UT North Pacolet River A survey for dwarf heartieaf (Hexastylis ncmiflora) is scheduled for the spring. The findings will need to be considered in the alternatives analysis and design of the project. . We prefer bridge designs that do not alter the natural stream morphology or impede fish passage. Efforts should be made during design to place bridge supports outside of the banidull channel. Bridge designs should also include provisions for the deck drainage to flow through a vegetated upland buffer prior to reaching the subject surface waters. Correction of altered stream morphology at the road crossing should be considered during design. Waste rock and dirt from bridge construction and road realignments should be disposed of in upland areas that are outside of the riparian area and above the 100-year floodplain. Streams and riparian zones provide connectivity of the landscape; and thus, are natural movement corridors for terrestrial wildlife species. Bridge designs should consider leaving sufficient corridors under the bridge to encourage.movement of wildlife under the bridge rather than across the highway. The movement of animals, especially larger animals (e.g., deer and bear), under the bridge may reduce automobile crashes involving wildlife. Where feasible, increasing the riparian corridor width under the bridge is recommended. In most cases, we prefer the replacement of the existing structure at the same location with road closure. If road closure is not feasible, a temporary detour should be designed and located to avoid wetland impacts, m;n;m;tee the need for clearing and to avoid destabilizing stream banks. If the structure will be on a new.alignment, the old structure should be removed and the approach fills removed from the 100-year floodplain. Approach fills should be removed down to the natural ground elevation. The area should be stabilized with native herbaceous species and planted with native tree species. If the area that is reclaimed was previously wetlands, NCDOT should restore the area to wetlands. If successful, the site may be used as wetland mitigation for the subject project or other projects in the watershed. Listed below are our standard recommendations on this project: -Because the Corps of Engineers (COE) recognizes the project county as a "trout water county", the NCWRC will review any nationwide or general 404 permits for the. proposed projects and will likely request the following as conditions of the 404 permit: 1. Bridge deck drains should not discharge directly into the stream. 2. Live concrete should not be allowed to contact the water in or entering into the stream. Water that has inadvertently come in contact with live concrete should not be discharged to surface waters but should be disposed in an upland area. 3. ffpossible, bridge supports (bents should not be placed in the stream. 4. If temporary access roads or detours are constructed, they should be removed back to original ground elevations immediately upon the completion of the project. Disturbed areas should be seeded or mulched to stabilize the soil and native tree species should be Tip No B-4240, Bridge 193 SR 1508 ~ 3 May 28, 2002 Polk County, Ll'T North Pacolet River planted with a spacing of not more than 10'x10'. If possible, when using temporary structures the area should be cleared but not grubbed. Clearing the area with chain saws, mowers, bush-hogs, or other mechanized equipment and leaving the stumps and root mat intact, allows the area to revegetate naturally and minimizes disturbed soil. 5. A clear bank (riprap free) area of at least 10 feet should remain on each side of the steam underneath .the bridge. 6. Sedimentation and erosion control measures sufficient to protect aquatic resources ` must be implemented prior to any ground disturbing activities. Structures should be maintained regularly, especially following ramfall events. 7. Temporary or permanent herbaceous vegetation should be planted on all bare soil within 15 days of ground disturbing activities to provide long term erosion control. 8. All work in or adjacent to stream waters should be conducted in a dry work area. Sandbags, rock berms, cofferdams, or other diversion structures should be used where possible to prevent excavation in flowing water. 9. Heavy equipment should be operated from the bank rather than in stream channels in order to minimize sedimentation and reduce the likelihood of introducing other pollutants into surface waters. 10. Only clean, sediment-free rock should be used as temporary fill (causeways), and should be removed without excessive disturba_ nce of the natural stream bottom when construction is completed., 11. During subsurface investigations, equipment should be inspected daily and. maintained to prevent contamination of surface waters from leaking fuels, lubricants, hydraulic fluids, or other toxic materials. 12. Wastewater from drilling operations should not be discharged to surface waters but should be pumped to upland areas. 13. Discharge of materials into surface waters from demolition of the old bridge should be avoided as much as practicable. Any materials that inadvertently reach surface waters should be removed. 14. Discharging hydroseed mixtures and washing out hydroseeders and other equipment in or adjacent to surface waters is strictly prohibited. - . We prefer that bridges over streams of this size be replaced with another spanning structure. If corrugated metal pipe arches, reinforced concrete pipes, or concrete box culverts are used the following should be considered as these will likely be conditions of any 404 permit. "Tip No B-4240, Bridge i93 SR 1508 4 ~ May 28, 2002 Polk County, UT North Pacolet River . 1. The culvert must be designed to allow for fish passage. Generally, this means that the culvert or pipe iavert is buried at least 12 inches below the natural streambed. If multiple cells are required the second and/or third cells should be placed so that their bottoms-are at stream banldull stage (similar to Lyonsfield design). This could be accomplished by constructing a low sill on the upstream end of the other cells that will divert low flows to another cell. This will allow sufficient water depth in the"culvert or pipe during normal flows to accommodate fish movements. If culverts are long, notched baffies should be placed in reinfor-ced concrete box adverts at 15 foot intervals to allow for the collection of sediments in the advert, to reduce flow velocities, and to provide resting places for fish and other aquatic organisms moving through the structure. 2. If multiple pipes or cells are used, at least one pipe or box should be designed to remain dry during normal flows to allow for wildlife passage. 3. Culverts or pipes should be situated so that no channel realignment or widening is required. Widening of the stream channel at the inlet or outlet of structures usually causes a decrease in water velocity causmg sediment deposition that will require future maintenance. 4. Riprap should not be placed on the streambed. " Thank you for the opportunity to review and comment during the early stages of these projects. If you have any questions regarding these comments, please contact me at (828) 452- 2546. " cc: John Hendrix, NCDOT Coordinator, COE, Asheville Marella Buncick, Biologist, USFWS Asheville Cynthia Van Der Wiele, NCDOT Coordinator, Division of Water Quality State of North Carolina Department of Environment and Natural Resources Division of Water Quality Michael Easley, Governor Bill Ross, Secretary Gregory Thorpe, Director February 20, 2002 ~/ • ~ NoRTt•t CAROUNA DEr'ARTMENT of ENVIRONMENT AND NATURAL RESOURCES Memorandum To: William T. Goodwin, Jr., PE, Unit Head Bridge Replacement Planning Unit Project Development and Environmental Analysis Branch Through: John Dorney 1 'fi~~`~`'L NC Division of Water Quality ; ;~.1 `~ i From: 'Robert Ridings NC Division of Water Quality Subject: Review of Natural Systems Technical Reports for bridge ~~ replacement projects scheduled for construction in CFY 2005: ~' "Green Light" Projects: B-4259, B-4261, B-4258, B-4260, B-4255, i B-4282, B-4290, B-4291, B-4070, B-4239, BT4~. B-4242, and B-4245. In future reports, an Executive Summary Paragraph would be helpful. This should include a brief description of the w~{k intended (i.e., replace bridge with another bridge or with a culvert), the amount of impact to wetlands and streams; and types of possible permits needed. On all projects, use of proper sediment and erosion control will be needed. Sediment and erosion control measures should not be placed in wetlands. Sediment should be removed from any water pumped from behind a cofferdam before the water is returned to the stream This office would prefer bridges to be replaced with new bridges. However if the bridge~~nnust be replaced by a culvert and 1501inear feet or more of stream is impacted, a stream mitig~on plan will be needed prior to the issuance of a 401 Water Quality Certification. While the NCDWQ realizes that this may not always be practical, it should be noted that for projects requiring mitigation, appropriate mitigation plans will be required prior to issuance of a 401 Water Quality Certification For permitting, any project that falls under the Corps of Engineers' Nationwide Permits 23 or 33 do not require written concurrence by the NC Division of Water Quality. Notification and . courtesy copies of materials sent to the Corps, including mitigation plans, are required. For projects that fal! under the Corps of Engineers Nationwide Permit 14 or Regional General Bridge Permit 31. the formal 401 application process will be required including appropriate fees and mitigation plans. Wetlandsl401 Unit 2321 Crabtree Blvd. Suitc 250 Raleigh. North Carolina 27604 Tclephone 919-733.1786 FAX # 733-689:1 -~ Special Note on project B-4261: these waters are classified as 303(d) waters. Special measures for sediment control will be needed. Also note that projects B-4239, B-4290, B-4258, and B-4282 occur in Trout waters. Any trout- specific conditions that would be detenriuned by the North Carolina Wildlife Resources Commission, to protect the egg and fry stages of trout from sedimentation during construction, would be required on any 401 certifications. Any proposed culverts shall be installed in such a manner that the original stream profile is not altered (i.e. the depth of the channel must not be reduced by a widening of the streambed). Existing stream dimensions are to be maintained above and below locations of culvert extensions. Do not use any machinery in the stream channels unless absolutely necessary. Additionally, vegetation should not be removed from the stream bank unless it is absolutely necessary. NCDOT should especially avoid removing large trees and undercut banks. If large, undercut trees must be removed, then the trunks should be cut and the stumps and root systems left in place to minimize damage to stream banks. Thank you for requesting our input at this time. The DOT is reminded that issuance of a 401 Water Quality Certification requires that appropriate measures be instituted to ensure that water quality standards are met and designated uses are not degraded or lost. Michael F. Easley. Governor Lisbeth C. Evans. Secr+dary Jeffrey 1. Crow, Deputy SoCretary Office of Archives and History January 29, 2002 MEMORANDUM North Carolina Deparhnent of Cultural Resources State Historic Preservation Office David L S. Brook. Administrator TO: William D. Gilmore, Manager NCDOT, Division of Highways ;~ ~ ,p ~ FROM: Da~rid Brook ~`~[ `,. ~~x_~~~1~~-' SUBJECT: Replace Bridge 193un SR 1508, TIP B-4240,1?olk County, ER 02-8527 Thank you for your letter of September 25; ?001, regarding the above project. ih.! `_•~ K~' ~~~ ~~ /r 1 V~ ~ d -'Y1 ~~ C-~';~ Division of Historical Resources David J. OIsa4 [rector We have conducted a review of the proposed undertaking aad are aware of no historic resources which would be affected by the project. Zherefore, we hate no comment on the tmderraluag as proposed. The above comments are made pursuant to Section 106 of the National Historic Preservation Act and the Advisory Council on Historic Preservation's Regulations for Compliance with Section 106 codified at 36 CFR Part 800. Thank you for roar cooperation and consideration. If you have questions concerning the above comment, contact Renee Gledhill-Earley, environmental review coordinator, at 919/733-4763. In all future communication concerning this project, please cite the above referenced tracking number. ~- -~- cc: Mary Pope Furr, NCDOT ~~ Matt ~~i'ilkerson, NCDOT [.oeaNoa Mdltag Address Admlahtntbn 507 N. 6lount St, Raleigh, NC 4617 Mail Service Center, Raleigh 276991617 Restontba S 1 S N. Bkran St, Rak7gh . NC 4613 Mail Service Cents. Raleigh 276991613 tiurvey & ManaiaR S I S N. Blount St. Raleigh, NC 4618 Mail Servlee Center, Raleigh 27699-4618 TdepMrtdfFax (919)7334763.733.8653 (9l9)733~6547.7tS-480t (919)733-4763.7154801 '~, ~, November 19, 2001 Mr. Davis Moore Department of Transportation Project Development and Environmental Analysis SUBJECT: Replacement of Bridge No. 2 on SR 1102/State Project No. 8.2980801 and Bridge No. 193 on SR 1508/State Project No. 8.2980901 Bridge No. 193 - closing of road at bridge site should not create an unworkable situation. Rerouting is possible and should not cause any delays. (3- tr.~~Q Bridge No. 2 -closing of road at bridge site will cause several unworkable situations. Rerouting will be through a narrow tunnel that fire trucks will not be able to access, causing homes to have no fire protection. Rerouting can cause an exuded respond time to the patiem for Emergency Medical Services. (3 - !{.~3 9 If you have any questions or need additional information, please coMaCt meat (828) 8943067. sincerely, ~~ Sandra G. Halfo Director P.O. Box 308 Columbus, NC 28722 (828) 894-3067 EMERGENCY SERVICES ,. os stem_ ~.:~ ~ ~ PROGRAM July i 9, 2005 Ms. Angie Pennock U. S. Army Corps of Engineers Asheville Regulatory Field Office 151 Patton Avenue, Room 208 Asheville, North Carolina 28801-5006 Dear 141s. Pennock: Subject: EEP Mitigation Acceptance Letter: V `'G ~o ~s~~ ~ ll ~ moo ~ ~~. `~' B-4240, Replace Bridge 193 over an unnamed tributary of the North Pacolet River on SR 1508; Broad River Basin (Cataloging Unit 03050105); Southern Piedmont (SP) Eco-Region The purpose of this letter is to notify you that the Ecosystem Enhancement Program (EEP) will provide compensatory stream mitigation for the 143 feet of unavoidable stream impacts associated with the above referenced project. The subject project is not listed in Exhibit 2 of the Memorandum of Agreement among the North Cazolina Department of Environment and Natural Resources, the North Carolina Department of Transportation, and the U. S. Army Corps of Engineers, Wilmington District dated July 22, 2003. The EEP is only committed to provide the mitigation needs for projects listed on Exhibit 2 during the first two years of the program; however Amendment 1 details how non-Exhibit 2 projects may be swapped for an appropriate project included on the Exhibit 21ist. Specifically, Amendment 1 states that: "Exhibit 2 may be modified if requested jointly by NCDENR and NCDOT, and approved in writing by the USACE. In no event may the total projected impacts ofprojects per cataloging unit on Exhibit 2 exceed the total projected impacts of projects per cataloging unit on Exhibit 2 as it existed at the time of the original execution of the MOA, July, 2003." In this case, the NCDOT has not proposed to swap this project for an appropriate project included on the Exhibit 21ist. However, EEP currently has surplus stream mitigation with sufficient assets to cover this years projected mitigation requirements plus the mitigation for the above referenced project. Therefore, the EEP intends to provide compensatory stream mitigation up to a 2:1 ratio in Cataloging Unit 03050105 of a e~~ North Carolina Ecosystem Enhancement Program,1652 Mail Service Center, Raleigh, NC 27699-1652 / 919-715-0476 / www.nceep.net ~` the. Broad. River Basin. Mitigation sites currently containing surplus mitigation assets consists of, butriot inclusive of, the Cleghorn Creek Mitigation Site. If you have any questions or need additional information, please contact Ms. Beth Harmon at (919) 715-1929. Sincerely, ~.~~ ' iam D. Gilmore, P.E. EEP Director cc: Mr. Phil Harris, Office of Natural Environment, NCDOT Mr. John Hennessy, Division of Water Quality, Wetlands/401 Unit File: B-4240 5 ~1 ~~ ~~^^~C®_ St~lYl . ~. ~ ...~ . PROGRAM July 19, 2005 Mr. Gregory J. Thorpe, Ph.D. Environmental Management Director Project Development and Environmental Analysis Branch North Carolina Department of Transportation 1548 Mail Service Center Raleigh, North Cazolina 27699-1548 Dear Dr. Thorpe: Subject: EEP Mitigation Acceptance Letter: B-4240, Bridge 193 over an unnamed tributary of the North Pacolet River on SR 1508, .Polk County The purpose of this letter is to notify you that the Ecosystem Enhancement Program (EEP) will provide the stream mitigation for the subject project. Based on the information supplied by you in a letter dated May 13, 2005, the impacts are located in CU 03050105 of the Broad River Basin in the Southern Piedmont (SP) Eco-Region, and are as follows: Stream Impacts: 143 feet The subject project is not listed in Exhibit 2 of the Memorandum of Agreement among the North Carolina Department of Environment .and Natural Resources, the North Carolina Department of Transportation, and the U. S. Army Corps of Engineers, Wilmington District dated July 22, 2003. The EEP is only committed to provide the mitigation needs for projects listed on Exhibit 2 during the first two years of the program; however Amendment 1 details how non-Exhibit 2 projects maybe swapped for an appropriate project included on the Exhibit 2 List. Specifically, Amendment 1 states that: "Exhibit 2 may be modified if requested jointly by NCDENR and NCDOT, and approved in writing by the USACE. In no event may the total projected impacts of projects per cataloging unit on Exhibit 2 exceed the total projected impacts of projects per cataloging unit on Exhibit 2 as it existed at the time of the original execution of the MOA, July, 2003." In this case, the NCDOT has not proposed to swap this project for an appropriate project included on the Exhibit 2 list. However, EEP currently has surplus stream N North Carolina Ecosystem Enhancement Program, 1652 Mail Service Center, Raleigh, NC 21699-1652 / 919-115-0476 / www.nceep.net w mitigation with sufficient assets to cover this year's projected mitigation requirements plus the mitigation for the above referenced .project. Therefore, the EEP agrees to accept this project and will provide compensatory stream mitigation up to a 2:1 ratio in Cataloging Unit 03050105 of the Broad River Basin. If you have any questions or need additional information, please contact Ms. Beth Harmon at 919-715-1929. Sincerely, a. ~.~~, ~ Willi D. Gilmore, P.E. EEP Director cc: Ms. Angie Pennock, USACE-Asheville Mr. John Hennessy, Division of Water Quality, Wetlands/401 Unit File: B-4240 '., ~~a ~ ~~,.~ -~ `~aaw~ STATE OF NORTH CAROLINA ~~~ `, ~°Y~~d .y~T o. ~9y p ~ z~ ~~G f:~~ ~l `4" 1s~y,4,rl~ ~•q1 9p~ Ty DEPARTIVIENT OF TRANSPORTATION '~e~yc MICHAEL F. EASLEY LYNDO TIPPETT GOVERNOR SECRETARY May 13, 2005 Mr. William D. Gilmore, P.E. EEP Transition Manager Ecosystem Enhancement Program 1652 Mail Service Center Raleigh, NC 24699-1652 Dear Sir: Subject: The Replacement of Bridge No. 193 over an unnamed tributary of the North Pacolet River on SR 1508, Polk County, Federal Aid Project No. BRZ-1508(3), State Project No. 8.2980901, WBS 33583.1.1, TIP B-4240, Division 14. NCDOT requests that. the North Carolina Ecosystem Enhancement Program (EEP) provide confirmation that we are willing to provide compensatory mitigation for the above-mentioned project in accordance with the Memorandum of Agreement (MOA) signed July 22, 2003 by the USACE, the NCDENR, and the NCDOT. Bridge No. 193 will be replaced to the east of the existing location with a two barrel box culvert 65 feet in length. The new approach roadway will have two 10-foot travel lanes with 5-foot shoulders. The new culvert will have a design speed of 20 mph. No jurisdictional wetlands will be permanently impacted by the construction of the bridge. There will be permanent and temporary surface water impacts due culvert installation. Proposed existing channel impacts consist of 143 feet of permanent impacts. Proposed fill in surface waters include 0.04 acre of permanent impacts. The project is located in the Inner Piedmont Physiographic Province in Polk County in the Broad River basin in Hydrological Cataloguing Unit 03050105. This UT flows into the North Pacolet River, a cold water, Class C stream. We have avoided and minimized the impacts to jurisdictional resources to the greatest extent possible as described in the permit application. A copy of the permit application will be located at http://www.ncdot.org//planning/ne/naturalunit/Applications.html. The remaining impacts to jurisdictional resources will be compensated for by mitigation provided by the EEP program. We estimate that 143 feet of existing channel will be impacted. Please send the letter of confirmation to Steve Lund at U. S. Army Corps of Engineers Asheville Regulatory Field Office, 151 Patton Ave. Room 208, Asheville, NC 28801-5006. Mr. Lund's FAX number is (828) 271-7950. The current let date for the project is March 21, 2006 for which the let review date is January 31, 2006. MAILING ADDRESS: TELEPHONE: 919-733-3141 LOCATION: NC DEPARTMENT OF TRANSPORTATION FAX: 919-733-9794 TRANSPORTATION BUILDING PROJECT DEVELOPMENT AND ENVIRONMENTAL ANALYSIS 1 SOUTH WILMINGTON STREET 1548 MAIL SERVICE CENTER WEBSITE: WWW.NCDOT.ORG RALEIGH NC RALEIGH NC 27699-1548 In order to satisfy regulatory assurances that mitigation will be performed, the NCDWQ requires a formal letter from EEP indicating their willingness and ability to provide the mitigation work requested by NCDOT. The NCDOT requests such a letter of confirmation be addressed to Mr. John Hennessy of NCDWQ with copies submitted to NCDOT. If you have any questions or need additional information, please contact Mr.. Chris Underwood at (919) 715-1451. Sincerely, i G~~~l. Gregory J. Thorpe, PhD, Environmental Management Director Project Development and Environmental Analysis Branch cc: John Hennessy, NCDWQ r. Brian Wrenn, NCDWQ Mr. Steve Lund, USACE Ms. Linda Fitzpatrick, NCDOT Office of Natural Environment Mr. Omar S. Sultan, NCDOT Program Management Ms. Laurie P. Smith, CPA, NCDOT Program Management r i Natural Systems Report Polk County, 5R 1508 Replacement of Bridge No. 193 over Unnamed North Pacolet River Tributary TIP No. B-4240 ARCADIS December 2001 PREPARED FOR North Carolina Department of Transportation i r i i r Natural Systems Report Polk County, SR 1508 Replacement of Bridge No. 193 over Unnamed North Pacolet River Tributary TIP No. B-4240 Prepared for. North Carolina Department of Transportation Prepared by: ARCADIS G&M of North Carolina, Inc. P.O. Box 31388 Raleigh, North Carolina 27622-1388 2301 Rexwoods Drive -Suite 102 Raleigh, North Carolina 27607-3366 Tel 919 782 5511 Fax 919 782 5905 Our Refs NC601032.0000 Date: December 2001 This document is intended only for the use of the individual or entity for which it was prepared and may contain information that is privileged, confidential, and exempt from disdowre under applicable law. Any dissemination, distribution, or copying of this document is strictly prohibited. 1. Introduction 1.1 Project Description ri 1.2 Purpose 1.3 Methodology ~; 1.4 Qualifications of Principal Investigators 2. Physical Resources 2.1 Geology 2.2 Soils 2.3 Water Resources 2.4 Physical Resources Impacts 3. Biotic Resources '! 3.1 Plant Communities 3.2 Terrestrial Wildlife ~' 3 3 A uatic Habitats and Wildlife . q 3.4 Biotic Resource Impacts 4. Waters of the United States 4.1 Surface Waters 4.2 Jurisdictional Wetlands 4.3 Impacts to Waters of the United States 4.4 Prmi R itmn e t equ e e is 4.5 Mitigation 5. Rare and Protected Species 6. References 1-1 1-1 1-1 1-1 1-3 2-1 2-1 2-1 2-2 2-3 3-1 3-1 3-2 3-2 3-3 41 4-1 4-1 4-1 4-2 4-2 5-1 6-1 Table of Contents 1 1 1 1 1 1 1 A 1 1 1 1 1 Figures 2 Tables 1 2 Vicinity Map Natural Communities and Surface Waters SoiE Mapping Units Within the Project Study Area for B-4240, Polk County, North Carolina Federal Species of Concern and State Protected Species Known from Polk County, North Carolina Table of Contents ii Natural Systems Report for B-4240 Polk County Introduction 1. Introduction ARCADIS G&M of North Carolina, Ina (ARCADIS G&M) has been retained by the North Carolina Department of Transportation (NCDOT) to complete natural resources investigations associated with the replacement of Bridge No. I93 over an »nnamed tributary to the North Pacolet River in Polk County, North Carolina. The following Natural Systems Report is submitted to assist in the preparation of the Categorical Exclusion (CE) for the proposed project. 1.1 Project Description The proposed project, TIP No. B-4240, will replace Bridge No. 193 on SR 1508, over ~- an unnamed tributary to the North Pacolet River in Polk County, North Carolina (Figure 1). The project study area is situated at the northern town limits of Tryon, NC. The bridge is currently in poor condition and in need of replacement. Rehabilitation of the existing structure does not appear to be a feasible option due to its age and condition. This replacement will result in a safer structure, consistent with federal and state bridge standards. No design alternatives for the proposed project have been defined; therefore, a study area approximately 500 feet (155 meters) long and 150 feet (45 meters) wide encompassing approximately 1.3 acres (0.53 hectares) was studied Approximately 2501inear feet (76.2 meters) of the unnamed tributary to the North Pacolet River is contained within the project study area. The project vicinity is defined as a larger area, approximately one-half mile on all sides of the study area. The project region is the area more or less represented on a standard 7.5-minute United States Geological Survey (CTSGS) topographic quadrangle map. 1.2 Purpose The purpose of this technical report is to inventory, catalog, and describe the natural systems within the study area. Recommendations are made for measures which will minimize resource impacts, as well as preliminary determinations of permit needs and. mitigation options. These descriptions and estimates are based on the existing project area. If the criteria change, additional field investigations will be conducted. 1.3 Methodology Field investigations along the project study area were conducted by qualified biologists from ARCADIS G&M during the month of August 2001. Pedestrian surveys were undertaken to determine natural resource conditions and to document natural communities, wildlife, and the presence of protected species or their habitats. 1-1 Natural Systems Report for B-4240 Poik County Introduction ' Published information regarding the project azea and region was derived from a number of resources including: USGS 7.5-minute topographical quadrangle map ' (Landrum, North Carolina), United States Fish and Wildlife Service (USFWS) National Wetland Inventory (NWI) map, NCDOT aerial photomosaics of the project area (1"=100'), and Natural Resources Conservation Service (MRCS) soil survey maps of Polk County. Water resources information was obtained from publications of the ' North Carolina Division of Water Quality (NCDWQ). Information concerning the , occurrence of federal and state protected species within the project area and vicinity was gathered from the USFWS list ofprotected species (March, 2001) and the North ' Carolina Natural Heritage Program (NCNHP) database of rare species and unique habitats (July, 2001). ' Dominant plant species were identified in each strata for all natural communities encountered. Plant community descriptions are based on those classified in Schafale ' and Weakley (1990), where applicable. For the context of this report, community classifications have been modified in some instances to better reflect field observations. Names and descriptions of plant species generally follow Radford et al. ' (1968), unless more current information is available. Animal names and descriptions follow Martof et al. (1980), Stokes (1996), Rohde et al. (1994), and Webster et al. (1985). Scientific nomenclature and common names (when applicable) are provided ' for each plant and animal species listed. Subsequent references to the same organism include the common name only. ' During surveys, wildlife identification involved a variety of observation techniques: active searching and capture, visual observations (both with and without the use of binoculars), and observing the characteristic signs of wildlife (sounds, scats, tracks, and ' burrows). Organisms captured during these searches were identified and released without injury. Quantitative water sampling was not undertaken to support existing data. _. Jurisdictional wetland determinations were erform - p ed usmg the three parameter approach as prescribed in the 1987 Corps of Engineers Wetlands Delineation Manual ' (Environmental Laboratory, 1987). Supplementary technical literature describing the parameters of hydrophytic vegetation, hydric soils, and hydrological indicators was also utilized. Wetland functions were evaluated according to the Division of Water Quality's Rating System, 4~'version (1995). 1-Z Natural S stems Y ~; Report for B-4240 Polk County Introduction 1.4 Qualifwtions of Principal Investigators Investigator. Martha M. Register, Scientist Education: MS, Botany, North Cazolina State University BS, Food Science, The Pennsylvania State University Experience: ARCADIS G&M, November 1997 to present Environmental Biologist, Robert J. Goldstein & Associates, July 1995 to November 1997 Expertise: NEPA investigations, Section 7 investigations, wetland delineation IJ Investigator. Layna E. Thrush, Staff Scientist Education: BA, Political Science, Florida State University Graduate Studies, Forestry, North Carolina State University Experience: ARCADIS G&M, May 2001 to present ri l~ ., ~ Natural 5 stems Y Report for B-4240 Polk County Physics! Resources 2. Physical Resources Polk County is situated in the Inner Piedmont neaz the border with the Mountain physiographic province of North Cazolina. The geography of the county consists of piedmont and mountain uplands, mountain coves and hillslopes, along with floodplains and stream terraces. Elevations in the project area range from approximately 945 feet ~, (288 meters) above Mean Sea Level {MSL) to 984 feet {300 meters} above MSL as depicted on the Landrum, North Carolina, USGS topographic quadrangle map. i 2.1 Geology The geologic features underlying the project area are associated with the Inner Piedmont Belt. This region typically contains a mix of metamorphic rocks interspersed with small masses of granitic rocks. The base formation is made up of biotite gneiss and schist interlard with talc-silicate rock, sillimaniteinica-schist, mica-schist, and amphibolite. Rock formations are inequigranulaz, with locally abundant potassic feldspar and garnet (N.C. Division of Land Resources, 1985). 2.2 Soils The process of soil development depends on both biotic and abiotic influences. These influences include past geologic activities, nature of parent materials, envizonmental and human influences, plant and animal activity, time, climate, and topographic position. One soil association is present in the project area, the Pacolet-Madison-Rion association. Soil associations are defined as landscapes that exhibit distinctive proportional patterns of soils consisting of one or more major soils and at least one minor soil. The soils within an association generally vary in slope, depth, stoniness, drainage, and other characteristics (USDA, 1998). Based on information obtained from USDA (1998), the Pacolet-Madison-Rion association is comprised of strongly sloping to steep, very deep, well-drained soils that have a predominately clayey or loamy subsoil. The association occupies approximately 45' percent of the county. It consists of about 33 percent Pacolet soils, 25 percent Madison soils, 18 percent Rion soils, and 24 percent minor sods. These soils are found primarily along ridges and hill slopes. The minor soils in the association include Grover, Cecil, Hiawassee, Dogue, Chewacla, and Ashlar. Grover soils are found along ridges and hill slopes while Cecil and Hiawassee soils are found on broad, gently sloping ridges. Dogue soils are found on gently sloping stream terraces near drainageways, while Chewacla soils are found on level floodplains. Ashlar soils are typically found in Piedmont uplands on stony hill slopes. Table 1 2-1 t t identifies each soil mapping unit and its general characteristics found within the project area. Natural Systems Report for B-4240 Polk County Physical Resources Table 1: Soil Mapping Units Within the Project Study Area for B-4240 Polk County, North Carolina. t 1 Symbol' Soil Unit Name Slope General Characteristics GrE Grover loam 25-45% Very deep, well-drained soils found on Piedmont uplands. Develops from high-grade metamorphic rocks with high mica content. RtE Rion-Cliffside complex, very stony 25-45% Moderately to very deep, well-drained soils found on very stony hill slopes in Piedmont uplands. Hydric soils are defined as soils that are saturated, flooded, or ponded long enough during the growing season to develop anaerobic conditions that favor the growth and regeneration of hydrophytic vegetation (Cowardin et al., 1979). According to the NRCS (1997}, there are no mapped hydric soils in the project study area. 2.3 Water Resources Streams, creeks, and tributaries within the project region are part of the Broad River Basin. The headwaters of the basin originate in the Mountain ecoregion of North Carolina and encompass approximately 1,506 square miles (2,423 square kilometers). The headwaters of the Broad and its maj or tributaries flow towards the foothills before entering the Piedmont ecoregion. The three major tributaries of the basin flow into the Broad River before it enters South Carolina, then it eventually flows into the Atlantic Ocean. Over 60 percent of the land within the basin is forested. Most of the remaining lands are cultivated or uncultivated crop or pastureland The project study area is situated in North Carolina Division of Water Quality (NCDWQ) Subbasin 03-08-06 and USGS Hydrologic Unit 03050105. The unnamed tributary of the North Pacolet River accounts for the surface waters in the project area (Figure 2}. The North Pacolet River, NCDWQ Stream Index # 9-55-1-(10), is the closest named water. ('The unnamed tributary maybe lmown as Little Creek, Stream Index No. 9-55-1-1 I.5). NCDWQ classifies surface waters of the state based on their intended best uses. The North Pacolet River and its tributary in the project vicinity are classified as "C" waters. Class C denotes waters suitable for all general uses including aquatic life propagation and survival, fishing, wildlife, secondary recreation, and 2-2 r Natural 5 stems Y ~, Report for B-4240 Polk County Physical Resources agriculture. The tributary is approximately 3 to 5 feet {0.9 to 1.5 meters) wide and 6 to 24 inches (15.2 to 61 centimeters) deep in the project area. Banks appear to be channelized and are covered in kudzu (Pueraria montana). The streambed consists of boulders, cobble, gravel, and sand. The water was cloudy to muddy with a moderate to heavy sediment load and a moderate to fast flow. No High Quality Waters (HQW), Water Supplies (WS-I or WS-Il), or Outstanding Resource Waters (ORW) occur within the project vicinity. The Ambient Monitoring System {AMS) is a network of stream, lake, and estuarine water quality monitoring stations strategically located for the collection of physical and chemical water quality data. The type of water quality data or parameters collected is determined by the waterbodies' classification and corresponding water quality standards. The AMS determines the "use support" status of waterbodies, meaning how ~~ well a waterbody supports its designated uses. The waters in the project area are currently rated asSupport-Threatened (ST). Waters designated "ST" fully support their intended uses but may not in the fixture unless pollution prevention measures are incorporated. Excess sandy sediment and elevated nutrient levels are the primary problem parameters linked with this rating. There were no benthic macroinvertebrate sampling areas near the project study area. However, there were two benthic macroinvertebrate samples taken in 1995 in the project region along North Pacolet River. Site B-1, located approximately two miles upstream at SR 1179, received a Good bioclassification. Site B-3, located approximately 3 miles downstream at SR 1501, received aGood-Fair bioclassification. The study suggested water quality had declined between these two locations as EPT macroinvertebraterkhness and biotic index values were significantly lower at Site B-3. Point source dischargers located throughout North Cazolina are regulated through the National Pollutant Dischazge Elimination System (NPDES) program. Dischargers aze required bylaw to register for a permit. According to NCDWQ (1997}, there are seven permitted NPDES dischargers in Subbasin 03-08-06. The Tryon Waste Water Treatment Plant L1.5 MGD), located approximately one mile downstream of the project location, is the only major discharger in the subbasin. 2.4 Physical Resources Impacts The proposed project is expected to impact both soils and topography. The topography is variable with moderate to abrupt changes in elevation. The proposed construction of i 2-3 t Natural S stems Y '~ Report for B-4240 Polk County Physical Resources anew bridge or associated road improvements will require the removal of soils and the placement of fill material. The primary sources of water quality degradation in urban areas are stormwater runoff and construction. Construction of a new bridge and approaches may disturb the stream banks and expose the soil surface. This may cause water quality degradation from runoff and sedimentation. Also, increased impervious areas can introduce other elements of degradation to water resources. These elements include hydrocazbons, toxic substances, debris, and other pollutants. Anticipated impacts to water resources include: additional substrate destabilization, bank erosion, increased turbidity, altered flow rates, and possible temperature fluctuations within the stream channel caused by ~ the removal of streamside vegetation. Precautions. should be taken to minimize impacts to water resources in the project vicinity. Aquatic organisms are very sensitive to discharges and inputs resulting from construction.. Appropriate measures must be taken to avoid spillage and control runoff. Potential impacts associated with construction of the proposed project include the following: increased sedimentation, soil compaction, and loss of shading due to vegetation removal. Measures to minimize these potential impacts include the formulation of an erosion and sedimentation control plan, provision for waste material and storage, stormwater management measures, and appropriate road-maintenance measures. NCDOT's Best Management Practices for Protection of Surface Waters (BMPs PSW) and Sedimentation Control guidelines should be strictly enforced during the construction stages of the project. The North Pacolet River and tributaries at the project site do not have a DWQ classification of C-Tr, but Polk County is known to have Mountain Trout Waters (MTWs). Therefore, NCDOT, will coordinate with NCDWQ and strictly adhere to North Carolina regulation entitled, "Design Standards in Sensitive Watersheds" (15A NCAC 04B .0024) throughout design and construction of the project. 2-4 ~ Natural Systems Report for B-4240 Polk County ' Biotic Resources 3. Biotic Resources This section describes the existing vegetation and associated wildlife that occur within the project area. The project area is composed of different vegetative communities based on topography, soils, hydrology, and disturbance. These systems are interrelated and in many aspects interdependent. Potential impacts affecting these communities are also discussed. Scientific nomenclature and common name (when applicable) are provided for each plant and animal species listed. Subsequent references to the same organism include only the common name. 3.1 Plant Communities ' ARCADIS G&M observed three highly disturbed plant communities in the project study area: eastern hemlock woodland, kudzu shrubland, and maintained grass lawns. These communities are described in greater detail below and presented in Figure 2. The project area includes a relatively steep slope along its southern boundary which is vegetated with a highly disturbed Canada hemlock (Tsuga canadensis) woodland. The ' canopy is dominated by the nominal species. Other canopy trees include tulip poplar (Liriodendron tulipifera), sycamore (Platanus occidentalis), red maple (Ater rubrum), beech (Fagus grandifolia), and red, white, scarlet and rock chestnut oaks (Quercus rubra, Q. alba, Q. coccinea, and Q. montana). The shrub and vine species include poison ivy (Toxicodendron radicans), great rhododendron (Rhododendron maximum), mountain laurel (Kalmia latifolia), kudzu (Pueraria montana), and Virginia creeper (Parthenocissus quinquefolia). The herb layer is greatly reduced due to a dense layer of English ivy (Hedra helix). ' The banks of the stream and adjoining slopes, especially in the eastern portion of the study area, are covered with a blanket of kudzu.. This shrubland includes only a few other weedy species such as black willow (Salix nigra), jewel weed (Impatiens capensis), ragweed (Ambrosia artemisiifolia), and privet (Ligustrum sinense). Two areas of maintained grass lawn are centrally located in the study area. These lawns are kept in an early successional state by frequent mowing. The plant species include a variety of grasses (Poaceae) and lawn weeds such as henbit (Lamium amplexicaule), plantain (Plantago spp.), violets (Viola spp.), and dandelion (Taraxacum officinale). 3-1 L 3.2 Terrestrial Wildlife Terrestrial wildlife in the area is limited due to the highly modified state of the surrounding lands. These areas are likely to support domestic predators and introduced species that reduce habitat suitability for many native species. No direct wildlife sightings were made during field reconnaissance. The species listed are those likely to inhabit urban areas, fallow fields, and moderate woodland buffers. Reptiles in the area are likely limited to a few small, secretive species such as the eastern garter snake (Thamnophis sirtalis sirtalis), northern brown snake (Storeria dekayi), ground skink (Scincella lateralis), Broadhead skink (Eumeces fasciatus), and the midland water snake (Nerodia sipedon pleuralis). Amphibians are likely to be represented by only a few species such as Fowler's toad (Bufo woodhousei) which is distasteful to predators, and arboreal species such as the gray tree frog {Hyla chrysoscelis}. The predominant birds will be those adapted to open and disturbed habitats. They include the introduced house sparrow (Passer domesticus), and starling (Sturnus vulgaris}, and the native cardinal (Cardinalis cardinalis), robin (Turdus migratorius), white-throated sparrow (Zonotrichia alhicollis), Cazolina wren (Thryothorus ludovicianus), mourning dove {Zenaida macroura), and northern mockingbird {Mimes polygottos). Other less abundant bird species found in urban habitats include predatory species such as red-tailed hawk (Buteo jamaicensis), sharp-shinned hawk {Accipiter striates}, and eastern screech owl (Otus asio}. The mammals in the project vicinity, like the reptiles and birds noted above, are likely to be those adapted to open and disturbed habitats. Typical mammals in urban areas and fallow fields included eastern harvest mouse (Reithrodontomys humidis), gray squirrel (Sciurus carolinensis), Norway rat (Rattus norvegicus), and cotton rat (Sigmodon hispidus). Others, such as eastern cottontail (Sylvilagusfloridanus), raccoon (Procyon lotor), opossum (Didelphis virginiana), red fox (Yulpes vulpes), and white tailed deer (Odocoileus virginianus), frequent open fields bordered by woody vegetation. 3.3 Aquatic Habitats and Wildlife The quality of aquatic habitat in the stream at this location is expected to be moderate to poor due to urban-related impacts associated with the town of Tryon and the amount of sediment deposition. High, vertical hanks prevented direct observation offish species. The most-likely fish to be in the project area are redbreast sunfish (Lepomis Natural Systems Report for B-4240 Polk County Biotic Resources 3-2 i~ C A j 1 t auritus), bluegill (L. marcochirus), mosquitofish {Gambusia holbrooki), creek chub (Semotilus atromaculatus}, and eastern silvery minnow (Hybognathus regius). Casual benthic macroinvertebrate sampling, by identifying species on overturned rocks, was not conducted in the project area. Aquatic surveys by NCDOT biologists are pending. 3.4 Biotic Resource Impacts The proj ect study area consists of approximately 0.45 acres (0.18 hectares) of hemlock- dominated forest, 0.55 acres (0.22 hectares) of kudzu shrubland, and 0.25 acres (0.10 hectares) of maintained grass lawn. Design alternatives have yet to be identified for this project, therefore no estimated azea of impact to these natural communities has been calculated at this time Loss of wildlife is an unavoidable aspect of development. Temporary fluctuations in population of animal species which utilize these communities are anticipated during the course of construction. Slow-moving, burrowing, and/or subterranean organisms will be directly impacted by construction activities, while mobile organisms will be displaced to adjacent communities. Competitive forces in the adapted communities will result in a redefinition of population equilibria. Aquatic organisms are acutely sensitive to changes in their environment and environmental impacts from construction activities may result in long term or irreversible effects. Impacts usually associated with in-stream construction include increased channelization and scouring of the streambed. In-stream construction alters the substrate and impacts adjacent streamside vegetation. Such disturbances within the substrate lead to increased siltation, which can clog the gillsand/or feeding mechanisms of benthic organisms, fish, and amphibian species. Siltation may also cover benthic macroinvertebrates with excessive amounts of sediment that inhibit their ability to obtain oxygen. These organisms are slow to recover and usually do not, once the stream has been severely impacted. The removal of streamside vegetation and placement of fill material during construction enhances erosion and possible sedimentation. Quick revegetation of these areas helps to reduce the impacts by supporting the underlying soils. Erosion and sedimentation may carry soils, toxic compounds, trash, and other materials into the aquatic communities at the construction site. As a result, bars may form at and downstream of the site. Increased light penetration from the removal of streamside vegetation may increase water temperatures. Warmer water contains less oxygen, thus reducing. aquatic life that depends on high oxygen concentrations. Natural Systems Report for B-4240 Polk County Biotic Resources 3-3 r~ Natural Systems Report for B-4240 Polk CouFlty Biotic Resources Due to potential water-quality impacts, the NCWRC requests a moratorium on in- stream construction. The moratorium applies if the following species are supported by the stream: brown and brook trout (October 15 to Maroh 31), rainbow trout (January 1 to April 15), brown, brook and rainbow trout (October 15 to Apri115), and small mouth bass and red breasted sunfish (May 12 to June 30). Qualified biologists from, NCDOT will assess the stream for the above-mentioned species. Once the fish have j been identified, as being supported by the stream the appropriate moratorium will be applied. 1 ,. ' 4. Waters of the United States Section 404 of the Clean Water Act requires regulation of discharges into "Waters of the United States:' The U.S. Environmental Protection Agency (USEPA) is the principal administrative agency of the Clean Water Act; however, the U.S. Army Corps of Engineers (USAGE) has the responsibility for implementation, permitting, and enforcement of the provisions of the Act. The USAGE regulatory program is defined in 33 CFR 320-330. Water bodies, including lakes, rivers, and streams, are subject to jurisdictional consideration under the Section 404 program. Wetlands are also identified as "Waters of the United States: ' Wetlands, defined in 33 CFR 328.3, are those areas that are inundated or saturated by surface water or groundwater at a frequency and duration sufficient to support, and under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions. Any action that proposes to place fill into these areas falls under the jurisdiction of the USAGE under Section 404 of the Clean Water Act (33 U.S.C. 1344). 4.1 Surface Waters The NCDWQ defines a perennial stream as a clearly defined channel that contains water for the majority of the year. These channels usually have some or all of the following characteristics: distinctive streambed and bank, aquatic life, and groundwater flow or discharge. The tributary to the North Pacolet River is the only perennial stream identified in the project area. Detailed stream characteristics, including specific water-quality designations, are presented in Section 2.3 Water ~ Resources. 4.2 Jurisdictional Wetlands There are no jurisdictional wetlands associated with the project study area. 4.3 Impacts to Waters of the United States Since no alternatives have been selected, impacts to Waters of the United States cannot be determined. However, some impacts to the North Pacolet River's tributary maybe anticipated for budge abutments and channel stabilization. Any budge demolition activities will strictly follow NCDOT's Best Management Practices for Bridge Demolition and Removal (BMPs-BDR). Asper the BMPs-BDR, all methods of demolition shall be considered and implemented where practical, other than dropping Natural Systems Report for B-4240 Polk Couhty Waters of the United States 4-1 1 t 1 the bridge in the water. Information regarding the existing bridge structure and the potential amount of fill from demolition activities is not available at this time and will be supplied by NCDOT in the CE document for the project. There are no jurisdictional wetlands in the project area; thus, there are no impacts to jurisdictional wetlands associated with this bridge replacement. 4.4 Permit Requirements Impacts to "Waters of the United States" come under the jurisdiction of the USACE. Permits will be required for highway encroachment into wetland communities. The Nationwide Permit No. 23 (Approved Categorical Exclusions) should cover the impacts to jurisdictional streams in the project area. Nationwide Permit No. 33 (Temporary Construction, Access, and Dewatering} maybe needed for temporary construction access if that is not addressed in the NEPA document. A final permitting strategy cannot be developed until a design alternative is selected. A Section 4(}1 General Water Quality Certification is also required for any activity which may result in a discharge into "Waters of the United States" or for which an issuance of a federal permit or license is issued. Certifications are administered through the NCDWQ. Final determination of permit applicability lies with the USACE. NCDOT will coordinate with the USACE after the completion of final design to obtain the necessary permits. Polk County is listed by the North Cazolina Wildlife Resources Commission {NCWRC) as a county with Mountain Trout Waters (MTWs). No discharge activities will be authorized by Nationwide Permits within MTW counties without a letter of approval from the NCWRC and written concurrence from the Wilmington District Engineer. 4.5 Mitigation L~. The USACE has adopted, through the Council on Environmental Quality (CEQ), a mitigation policy which embraces the concepts of "no net loss of wetlands" and sequencing. The purpose of this policy is to restore and maintain the chemical, biological, and physical integrity of "Waters of the United States," specifically wetlands. Mitigation of wetland impacts has been. defined by the CEQ to include: avoidance of impacts (to wetlands), minimizing impacts, rectifying impacts, reducing Natural Systems Report for B-4240 Polk County Waters of the United States 4-2 1 1 1 impacts over time, and compensating for impacts (40 CFR 1508.20). Each of these three aspects (avoidance, minimization, and compensatory mitigation) must be considered in sequential order. Avoidance mitigation examines all appropriate and practicable possibilities of averting impacts to Waters of the United States. According to a 1990 Memorandum of Agreement (MOE) between the U.S. Environmental Protection Agency (USEPA) and the USACE, in determining "appropriate and practicable" measures to offset unavoidable impacts, such measures should be appropriate to the scope and degree of those impacts and practicable in terms of cost, existing technology, and logistics in light of overall project purposes. No jurisdictional wetlands will be impacted; however, some unavoidable impacts to surface waters will result from project construction. Minimization includes the examination of appropriate and practicable steps to reduce the adverse impacts to Waters of the United States. Implementation of these steps will be required through project modifications and permit conditions. Minimization typically focuses on decreasing the footprint of the proposed project through the reduction of median widths, right-of--way widths, fill slopes, and/or road shoulder widths. The following methods are suggested to minimize adverse impacts to Waters of the United States: 1. Strictly enforce Best Management Practices (BMPs) to control sedimentation during project construction. 2. Clearing and grubbing activity should be minimized. 3. Decrease or eliminate discharges into the North Pacolet River's tributary. 4. Reestablishment of vegetation on exposed areas with judicious pesticide and herbicide management. 5. Minimization of "in-stream" activity. 6. Use responsible litter control practices. Compensatory mitigation is not normally considered until anticipated impacts to Waters of the United States have been avoided and minimized to the maximum extent possible. It is recognized that " no net loss of wetlands" functions and values may not be achieved in each and every permit action. Appropriate and practicable Natural Systems Report for B-4240 Polk County Waters of the United States 4-3 Naturals stems Y ~, Report for 5-4240 Poik County Waters of the United States compensatory mitigation is required for unavoidable adverse impacts which remain after all appropriate and practicable minimization has been required. Compensatory actions often include restoration, creation and enhancement of Waters of the United States, specifically wetlands. Such action should be undertaken in areas adjacent to or contiguous to the discharge site. Nationwide Permits usually do not require mitigation according to the Memorandum of Agreement (MOE) between the U.S. Environmental Protection Agency {USEPA) and the USACE. However, prior to the use of any nationwide permit within any of the 25 ' designated. counties of North Carolina that contain trout waters, notification must be given to the Wilmington District Engineer along with a written statement of compliance with all of the conditions of the applicable nationwide permit. This notification will include comments and recommendations from NCWRC. A plan to provide compensatory mitigation for all unavoidable adverse impacts to the mountain trout waters must be included in the information sent to the NCWRC. 1 1 4-4 . r Natural S stems Y - Report for B-4240 Polk County Rare and Protected Species ' S. Rare and Protected Species Some popularions of fauna and flora have been, or aze, in the process of decline due to ' either natural forces or their inability to coexist with humans. Federal law, under the . provisions of Section 7 of the Endangered Species Act (ESA) of 1973, as amended, requires that any action likely to adversely affect a species classified as federally- protected be subject to review by the USFWS. Other species may receive additional protection under sepazate laws. As of Mazch 2001, the USFWS identified one endangered (E) "species, one threatened (T) species, and ten species of concern (FSC) ' as potentially occurring in Polk County. The NCNHP lists of July 2001 included these species and identified additional species receiving protection under state laws. Table 3 lists the species, their status, and the existence of suitable habitat within the project area. Dwarf-flowered Heartleaf (Hexastylis nanijlora) Federal Status: THREATENED State Status: THREATENED Dwarf-flowered heartleaf is an evergreen herb, endemic to the upper Piedmont of southern North Carolina and northern South Carolina. The plant consists of dark green, heart-shaped, coriaceous leaves that arise from a short rhizome, creating an herb that has a rosette appearance. This species has the smallest flower of any North American Hexastylis species. The flowers bloom in the early spring and are less than 0.5 .inches long, flask shaped (urceolate to campanulate), dark purple to brown with some green, and usually found buried under leaf-litter. Plants are found on acidic sandy soils on bluffs and ravines and is usually associated with mountain laurel (Kalmia latifolia) thickets in hazdwood forests. The soils preferred by this species include Pacolet, Madison gravelly sandy loam, and Musella fine sandy loam. Biological Conclusion: Unresolved ' Acidic soils on bluffs and ravines are available in the project area, but neither. Pacolet, Madison, nor Musella soils aze mapped in the vicinity. Even though this is less than optimal habitat, a survey for this plant is recommended during the spring flowering season. According to the NCNHP, there are no known populations of dwarf-flowered heartleaf within a one mile (1.6 km) radius of the protect study area. No determination of the potential for impacts to this species from prof ect construction has been made at this time. 5-1 1 1 t 1 Natural Systems Report for B-4240 Polk bounty Rare and Protected Species White Irisette (Sisyrinchium dichotomum) Federal Status: ENDANGERED State Statue: ENDANGERED White irisette is a small (10 to 20 centimeters) perennial herb. It has bluish to pale green basal leaves that farm one-third to one-half the height of the plant. Tiny white flowers appear from late May through July in clusters of four to six at the end of winged stems that grows in adichotomously-branching pattern. This plant is found in dry to mesic open woodlands, edges and clearings over mafic rock, usually amphibolite. It is endemic to a small area in the upper Piedmont of North and South Cazolina. Biological Conclusion: No E, f,~ect The soils in the project area are highly. acid and not the basic, mafic-originated soils this species prefers. The forest in the area is very shrubby and dense with a closed canopy. Suitable habitat is not available in the project area. According to the NCNHP, there azea no known populations of white irisette within a one mile (1.6 km) radius of the project study azea. No impacts to this species from project construction are anticipated. Federal Species of Concern There are ten federal species of concern listed by the USFWS for Polk County. These species are not protected under the provisions of Section 7 of the Endangered Species Act. Federal species of concern area defined as species under consideration for listing for which there is insufficient information to support listing as threatened or endangered (formerly C2 candidate species). The status of these species maybe upgraded at any time, thus they are included here for consideration. The NCNHP lists of July 2001 included these species and identified an additional seven species receiving protection under state laws. Protections afforded to species listed under state law are not applicable to this project. Table 2 lists the federal species of concern, their state status, and the existence of suitable habitat within the project area. A review of NCNHP maps depicting known populations of these federal species of concern found no populations within a one mile (1.6 km} radius of the project study area. . 5-2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Table 2: Federal Species of Concern Known from Polk County, North Carolina. Scientific Name ' Common tame ~ Federal Status Stage Status Ha#~itat ~quirements , ,~ ,; ~„ ~ _ - _ Avaiialile HabitaYg ~.~.. Vertebrates Dendroica ceru/ea Cerulean warbler FSC SR Mature hardwood forest Yes Neotoma f/oridana haematoreia Southern Appalachian woodrat FSC SC Rocky places in deciduous or mixed forest Yes Invertebrates Fyigus wyandot Southern grizzled skipper FSC SR Openings and edges in wooded hilltops; Host plants - Rosaceae No Speyeria diana Diana fritillary butterfly. FSC SR Rich woods and adjacent openings; Host plants- ~o/a spp. Yes Vascular Plarrts Hexasty/isrhombifonnis French Broad heartleaf FSC C Cove forests Yes Juglans cinerea Butternut FSC - Cove forests and rich woods Yes Marsha//iagrandif/ora large-flowered Barbara's buttons FSC C Bog edges or slopes over mafic soil No Monotropsis odorata Sweet pinesap FSC C Dry forests and bluffs especially with heaths Yes Orbexilum macrophy//um Bigleaf scurfpea FSC E Wooded mountain slopes Yes Senecio mi//efo/ium Divided-leaf ragwort FSC T Granitic domes and other rock outcrops No Notes: FSC -Federal Species of Concem; E - Endangered; T -Threatened; SC - Spedal Concem; C - Candidate; P - roposed; SR =Significantly Rare 5-3 Natural Systems Report for B-4240. Polk County References r 6. References Cowazdin, L. M., V. Carter, F. C. Golet and E. T. LaRoe, 1979. Classification of i Wetlands and Deepwater Habitat of the United States. Fish and Wildlife ^ Service, U.S. Department of the Interior. Carolina Geological Society, 1991. The Geology of the Cazolinas. The University of Tennessee Press, Knoxville, TN. 406 pp. Environmental Laboratory, 1987. Corps of Engineers Wetlands Delineation Manual, Technical Report Y-87-1. United States Army Engineer Waterways Experiment Station, Vicksburg, Miss. 100 pp. + appendices. Martof, B. S., Palmer, W. M., Bailey, J. R., and J. R. Harrison III, 1980. Amphibians and Reptiles of the Carolinas and Virginia. The University of North Carolina. Press, Chapel Hill, NC. 264 pp. National Audubon Society, 1979. Field Guide to North American Reptiles and Amphibians. Alfred A. Knopf, New York, NY. 743 pp. North Carolina Division of Water Quality, Department of Environmental Management (NCDEM), 2000. French Broad Basinwide Water Quality Management Plan. Water Quality Section North Cazolina Geological Survey (NCGS), 1991. Geologic Map of North Cazolina. Printed 1991, reprinted 1996. North Cazolina Natural Heritage Program, 2001. Element Occurrence List for Polk County, North Carolina. North Carolina Division of Parks and Recreation, Raleigh, North Carolina. Radford, A. E., Ahles, H. E., and C. R: Be11,1968. Manual of the Vascular Flora of the Carolinas. The University of North Cazolina Press, Chapel Hill, NC: 1183 pp. Rosgen, D. L., 1996. Applied River Morphology. Wildland Hydrology, Pagosa Springs, CO. t II u 6-1 1 1 1 1 1 1 1 1 1 1 1 1 Schafale, M. P. and A. S. Weakley, 1990, Classification of the Natural Communities of North Carolina, A Third Approximation. North Carolina Natural Heritage Program, Division of Pazks and Recreation, Department of Environment, Health and Natural Resources, Raleigh, NC. Stokes, Donald and Lillian, 1996. Stokes Field Guide to Birds, Eastern Region. Little, Brown, and Company, New York, NY. 471 pp. United States Fish and Wildlife Service, 2001. Polk County Endangered Species, Threatened Species and Federal Species of Concern. United States Department of Interior. Webster, W.D., Parnell, 7. F., and W.C. Biggs, 1985. Mammals of the Cazolinas, Virginia, and Maryland. The University of North Cazolina Press, Chapel Hill, NC. 255 pp. Natural Systems Report for B-4240 Polk County References 6-2 C] 1 1 '~ m tt22 ~q n ~ ~`~~~ ' • ' i! ; ~ • ~ ~~ - ~ 1~ '' ' i St Lukes~ ~~ . ~. -- ~~_ ~1~. I i. i _ ~ , t~ j Hospifal'~ • v _ A v~. / ii. '~ I ~~"~ ) 1125 ~ \.~ \\' ~ ' ~ \ y. II .'! / i '~~~~, •\~ - i\ I ~:, ~\( ~. ~~ ~~` 515 ` ~ ;t " "z~-~-r-~ y ~, y 14-x' ~ ~~ '~~ a\ • jp • i ~ _ ~ ~0~,- -. lL . -' ` M f7~--, 91. IA9e CiI 1 7513 \' \ a -- ~f _:~' 283-T -~, ~-~- ~-'t ~` ~ - - '1 . 'a.• ~ 1125 ; =-'// \y'.~~ ~' -~ • I '-\ Ch _ s : ~` J t/ .\'i ., ~. o .: ~~ ' HARD ON. ~~ __. ~ ~ ~ ~ ,1\ , - __<~ ' r `mss. "• ~fi \~ .t~ • ~~ \,_. \ -~\F \, ` ~ ~ ~. ---~ •~ ~'~` trs ~,.,a \' SITE ~ •\~~ - \ - ~ ~ ,. ~~ r ~, ~`-\ .. ~ . ~~ - I_ocaTloN ' _ r' _ ~ ~ • ~. ~ A. ,` ~ _ _ \ ~~ ~ ; `mac i OC, '~ h_-" `. , II~ ~ -, v .- i ~' ~.7~ >J •l~•~i Gem' .. '~' y ,,-„ ~, ~ 33g ',~ ~ :~.J g. _ ~~ .., ;~ ,i: ` ~'_- ,,,• :~ '' ~ 011 ~ i' ' ~\ _ ~-' \'°` -` - • \' 1 ' ~ . \ ` t ~\ : `~ '` _ '~-/ ~\ 362- . a ~ •• •~: ' ~- ~ \ ~~ ~; ' 32.9 ~. /.. . ~ . =-=asp A n ~.> .. - --,~ . ~~ .: ~ ,\ ~.~ ^ -!~ __ ~~~ \ 1507' -- __ 'ice 7'~ _ 11 ~/ -~ `~a ': g ~1tt1e ~ 'L. ~~ AzA 3 ~, -, _ ,. ' ,~- ~~ • ., ~. . „ . . ~~- •.. .~ . , --=~ ' zooo o zooo Feet N 0.5 0 0.5 Miles SCALE: 1:24,000 ' USGS 7.5 Minute T ra hic Ma : LANDRUM $ SALUDA, NC Contour Interval: 40 Feet ~_, Prepared For: VICINITY MAP Figure No. G&M of NorthCarc!i.-a.Inc. ~ T.LP. No. 8-4240: REPLACEMENT OF BRIDGE #1193 ON SR 1508 ' 2301 Rexwoods Drive OVER UNNAMED TRIBUTARY TO NORTH PACOLET RIVER Post Office Box 313u3, Raleigh, NC 27622-1388 Tel: 919/782-5511 Fax: 919/782-5905 FOLK COUNTY, NORTH CAROLINA ~~: r r i }, 3 ~ LiA1~'~ Z ~ ~ ,~ ,q„ _~ 1 S ,.~ ~ ~ ; t ~' ` Wi p s• ~ , ~. O 'v Z ~ ,,. - .r T , Z ~ o ~ It '' = -~ - n w. t~ ~,~ ~, _. ~ - o 0 ~ o rn 0 ~ :~ .j . ~~ ,. I ~ ~ a X .~ _ I O T W ^ r _ j`'` _ S ~ ~ ~ 2' ;_ z ~ ~ ~~ r ~ ~ -t` ITf - . ~ ~ O ~ ~o ~ ~~ :~~j ~r ~ 0 ~ ~ ~ ~ . ~. .l r = G7 TI ..r. ~ rn ~ ~ ,y y7 '~#~ {l , ~ ~ L N ~ ~ ~- 1 N ~ V / ~ D ~ ~~ ~~ ~~yy; ~ m o tf , !~~yC~ .. ;i~~ r*~. , . II ~ r (i`.~ / ~` S u •~j~T • N ~ m t ti _ ° ° T E ~ k t 1 1 1 1 1 1 1 1 1 1 i 1 1 1 Natural Systems Report for B-4240 Polk County Figures