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HomeMy WebLinkAbout20061674 Ver 1_Complete File_20061117Re: I3-3373 permit conditions (UNCLASSIFIED) Subject: Re: B-3373 permit conditions (UNCLASSIFIED) From: Susan Thebert <sthebert@dot.state.nc.us> Date: Thu, 14 Dec 2006 09:17:14 -0500 To: "Spencer, Richard K SAW" <Richard.K.Spencer@saw02.usace.army.mil> CC: brian.wrenn@ncmail.net, Rachelle Beauregard <rbeauregard@dot.state.nc.us> Richard: Sorry it has taken me so long to get back to you. Here is the vegetation monitoring strategy that we are proposing for B-3373. It was prepared by Matt Green in the Roadside Environmental unit who will actually be doing the vegetation monitoring. The on-site monitoring team has also reviewed this vegetation monitoring plan. Conduct the vegetation monitoring by utilizing 50' x 50' plots every 100' or so along a transect. The plot method simply makes it easier from year to year to see determine what is occurring with the vegetation at the site. I'd like to propose that we also set a groundwater monitoring well in association with every plot that is established along the transect. I've taken a look at the MicroStation files for the project, and by setting a transect perpendicular to the stream it appears that the transect will be about 700' ± across the site. I'd like to propose that we set 7 plots and 7 monitoring gauges along one transect. Please let me know what you think. Thanks, Susan "Spencer, Richard K SAW" wrote: Classification: UNCLASSIFIED Caveats: NONE Susan, I am more concerned with what happens after drawdown and not so much with mitigation vegetation success criteria. If monitoring is not done along a transect, I can not tell what is happening along the hydrologic gradient. How would you be able to tell what type of vegetation change is occurring along the gradient unless you do the monitoring along a transect? As far as I am concerned, one transect that runs perpendicular to the stream channel, from current pond high water to the opposite side, with a sample point every 50 yards would do. I am more concerned with how the vegetation (mostly herbaceous) changes over time due to possible changes in hydrology. There are numerous sampling techniques that can be used here, your choice as long as it will show changes in vegetation over time. Two years of monitoring may not be enough but I hope we can at least see some trend if we have two normal rainfall years. Richard -----Original Message----- From: Susan Thebert [mailto:stPiebertc;~dot.state.nc.us] Sent: Wednesday, November 29, 2006 10:48 AM To: Spencer, Richard K SAW; brian.wrenn<<{~ncrnail.net Cc: Rachelle Beauregard Subject: B-3373 permit conditions Richard and Brian: We have a question over the vegetation monitoring in the 8-3373 permit I of 2 1/26/2007 9:45 AM Re: I3-3373 permit conditions (UNCLASSIFIED) conditions. The DWQ Approval of 401 Water Quality Certification, Conditions of Certification item 1, state that vegetation monitoring is to be done by survivability based on stem count per acre over a 5 year monitoring period. The USACE General Permit Verification, General Permit Special Condition # 19, states that the vegetative monitoring is to be done along the same transects as the hydrologic monitoring wells for a period of at least 2 years of normal rainfall. NCDOT has no problem doing the vegetative monitoring but would prefer to do the vegetative monitoring using the DWQ's per acre stem count method over using the USACE recommended transects. Typically 50 feet x 50 feet plots are randomly placed in a manner that will provide a representative sample of the community/communities planted. Five years of vegetative monitoring is typically done. Richard please review the permit conditions and consider changing the vegetation monitoring conditions. Thank you, Susan Classification: UNCLASSIFIED Caveats: NONE Susan Thebert <sthebcrl(c%;dot.state.nc.us> PDEA, Natural Environment 2 of 2 1/26/2007 9:45 AM ~c~ l c~~y DEPARTMENT OF THE ARMY WILMINGTON DISTRICT, CORPS OF ENGINEERS P.O. BOX 1890 WILMINGTON. NORTH CAROLINA 28402-1890 REPLY TO ATTENTION OF: Permit Number: SAW-2006-40679-083/RGP31/Scotland County Permittee: NCDOTB-3373 Issuance: 15 November 2006 Project Manager: Richard K. Spencer Upon completion of the activity authorized by this permit and any mitigation required by the permit, sign this certification and return it to the following address: Wilmington Regulatory Field Office US Army Corps of Engineers Post Office Box 1890 Wilmington, NC 28402-1890 Please note that your permitted activity is subject to a compliance inspection by a U. S. Army Corps of Engineers representative. If you fail to comply with this permit you are subject to permit suspension, modification, or revocation. I hereby certify that the work authorized by the above referenced permit has been completed in accordance with the terms and condition of the said permit, and required mitigation was completed in accordance with the permit conditions. Signature of Permittee U.S. ARMY CORPS OF ENGINEERS WILMINGTON DISTRICT Action ID: 2006-40679-83 TIP No: B-3373 State Project No: 8.2590401 County: Scotland GENERAL PERMIT (REGIONAL AND NATIONWIDE) VERIFICATION Applicant: North Carolina Department of Transportation Address: Gregory J. Thorpe, Ph.D. Environmental Management Director Project Development and Environmental Analysis 1548 Mail Service Center Raleigh, North Carolina 27699-1548 Telephone Number: (910) 733-3141 Size and Location of project (waterway, road name/number, town, etc.): Bridge No. 61 and 62 on SR 1108 (X- Way Road) at Gun Swamp Creek in Scotland County, North Carolina. Description of Activity: (Phase I) Install sheeting on both the upstream and downstream sides of the dam breach construction site. Construct a permanent breach of the SR 1108 roadway/dam at the location of the original stream channel impacting 0.33 acre of waters of the United States. Construct a temporary 100-foot long bridge over the breach and control draw down Lytch's Pond water surface elevation to a final water surface elevation of 164 feet mean sea level. Perform necessary repairs to bridge #62 to allow the reopening of SR 1108. (Phase II) Existing Bridges #61 and #62 will be removed in their entirety and the opening filled to road grade with suitable road fill material. The temporary bridge at the breach will be removed and replaced with an 84-foot long single span box beam bridge. The causeway (approach) will be widened to current roadway standards impacting 0.22 acre of waters of the United States. Traffic will be detoured onto existing roadways during all phases of construction. All temporary fill is to be placed on filter fabric and removed from the waterway in its entirety upon completion of the construction. Applicable Law: X Section 404 (Clean Water Act, 33 U.S.C. 1344) Section 10 (River and Harbor Act of 1899) Authorization: Nationwide Permit Number 31 Regional General Permit Number Your work is authorized by this Regional General (RGP) or Nationwide (NWP) Permit provided it is accomplished in strict accordance with the attached conditions and your submitted plans. If your activity is subject to Section 404 (if Section 404 block above is checked), before beginning work you must also receive a Section 401 water quality certification from the N.C. Division of Environmental Management, telephone (919) 733-1786 Please read and carefully comply with the attached conditions of the RGP or N WP. Any violation of the conditions of the RGP or NWP referenced above may subject the permittee to a stop work order, a restoration order, and/or appropriate legal action. This Department of the Army RGP or NWP verification does not relieve the permittee of the responsibility to obtain any other required Federal, State, or local approvals/permits. The permittee may need to contact appropriate State and local agencies before beginning work. This verification will remain valid until 31 August 2008 unless the regional general permit authorization is modified, reissued or revoked. If, prior to 31 August 2008 the regional general permit authorization is reissued and/or modified, this verification will remain valid until 31 August 2008, provided it complies with all modifications. If the regional general permit authorization expires or is suspended, revoked, or is modified, such that the activity would no longer comply with the terms and conditions of the nationwide permit, activities which have commenced (i.e., are under construction) or are under contract to commence in reliance upon the regional general permit, will remain authorized provided the activity is completed within twelve months of the date of the regional general permit's expiration, modification or revocation, unless discretionary authority has been exercised on a case-by-case basis to modify, suspend or revoke the authorization If there are any questions regarding this authorization or any of the conditions of the RGP or NWP, please contact the Corps Regulatory Official specified below. Date 15 November 2006 /S/ Corps Regulatory Official Richard K. Spencer Telephone No. (910) 251-4172 CF: Art King, DEO, NCDOT Timothy Johnson, P.E., Division Engineer, NCDOT John Hennessy, NCDWQ Ken Averrett, NCDWQ Susan Thebert, PDEA Action ID: 2006-40679-83 TIP No: B-3373 State Project No: 8.2590401 County: Scotland GENERAL PERMIT SPECIAL CONDITIONS Failure to institute and carry out the details of the following special conditions below will result in a directive to cease all ongoing and permitted work within waters of the United States, including wetlands, associated with the permitted project, or such other remedies and/or fines as the U.S. Army Corps of Engineers District Commander or his authorized representatives may seek. 2. All work authorized by this permit must be preformed in strict compliance with the attached plans, which are a part of this permit. Final plans for Phase two shall be submitted to the U.S. Army Corps of Engineers for review and approva160 days prior to the awarding of any construction contract or the start of work, which every would occur first. Written verification shall be provided by the applicant to the U.S. Army Corps of Engineers that the final construction drawings for each phase comply with the attached or phase two submitted permit drawings prior to any active construction in waters of the United States, including wetlands. The permittee shall ensure that the construction design plans for this project do not deviate from the permit plans associated with this authorization. Any deviation in the construction design plans shall be brought to the attention of the U.S. Army Corps of Engineers, Mr. Richard Spencer, Wilmington Regulatory Field Office prior to any active construction in waters or wetlands and any modification to the permit plans must be approved by the U.S. Army Corps of Engineers prior to implementation. 3. A set of as-built or record drawings of each phase of the project and certificate stating that the work has been completed in accordance with the permit drawings shall be filed with the U.S. Army Corps of Engineers, Wilmington Regulatory Field office no later than 90 calendar days following completion of each phase of construction. 4. The permittee shall schedule a preconstruction meeting between its representatives, the contractor's representatives, and the U.S. Army Corps of Engineers, Mr. Richard Spencer, Wilmington Regulatory Field Office, prior to any work within jurisdictional waters and wetlands for each phase to ensure that there is a mutual understanding of all of the terms and conditions contained within this Department of the Army authorization. The permittee shall notify the U.S. Army Corps of Engineers Project Manager a minimum of thirty (30) days in advance of the scheduled meetings in order to provide the project manager with ample opportunity to schedule and participate in the required meetings. One copy of the final half-size construction drawings shall be furnished to the U.S. Army Corps of Engineers, Mr. Richard Spencer, Wilmington Regulatory Field Office prior to the pre-construction meeting. The permittee shall require its contractors and/or agents to comply with the terms and conditions of this permit in the construction and maintenance of this project, and shall provide each of its contractors and/or agents associated with the construction or maintenance of this project with a copy of this permit and any authorized modifications. Copies of this permit and any modifications authorized by the U.S. Army Corps of Engineers shall be available for review at the construction site at all times. All violations, including non-compliance of these conditions, of the authorized permit shall be reported to the U.S. Army Corps of Engineers, District Commander within 24 hours of the violation. 6. Except as authorized by this permit or any U.S. Army Corps of Engineers approved modification to this permit, no excavation, fill, or mechanized land-clearing activities shall take place at any time in the construction or maintenance of this project, within waters or wetlands, or shall any activities take place that cause the degradation of waters or wetlands. In addition, except as specified in the plans attached to this permit, no excavation, fill or mechanized land-clearing activities shall take place at any time in the construction or maintenance of this project, in such a manner as to impair normal flows and circulation patterns within, into, or out of waters or wetlands. 7. To ensure that all borrow and waste activities occur on high ground and do not result in loss or the degradation of adjacent wetlands and streams, except as authorized by this permit, the permittee shall require its contractors and/or agents to identify all areas to be used to borrow material, or to dispose of dredged, fill, or waste material. The permittee shall ensure that all such areas comply with the preceding condition (#6) of this permit, and shall require and maintain documentation of the location and characteristics of all borrow and disposal sites associated with this project. This information will include data regarding soils, vegetation and hydrology sufficient to clearly demonstrate compliance with the preceding condition (#6). All information will be available to the U.S. Army Corps of Engineers upon request. 8. This permit does not authorize temporary placement or double handling of excavated or fill material within waters or wetlands outside the permitted area. 9. The permittee shall use appropriate sediment and erosion control practices which equal or exceed those outlined in the most recent version of the "North Carolina Sediment and Erosion Control Planning and Design Manual" to assure compliance with the appropriate turbidity water quality standard. Erosion and sediment control practices must be in full compliance with all specifications governing the proper design, installation and operation and maintenance of such Best Management Practices in order to assure compliance with the appropriate turbidity water quality standards. This shall include, but is not limited to, the immediate installation of silt fencing or similar appropriate devices around all areas subject to soil disturbance or the movement of earthen fill, and the immediate stabilization of all disturbed areas. Additionally, the project must remain in full compliance with all aspects of the Sedimentation Pollution Control Act of 1973 (North Carolina General Statutes Chapter 113A Article 4). Adequate sedimentation and erosion control measures must be implemented prior to any ground disturbing activities to minimize impacts to downstream aquatic resources. These measures must be inspected and maintained regularly, especially following rainfall events. All fill material must be adequately stabilized at the earliest practicable date to prevent sediment from entering into adjacent waters or wetlands. 10. All mechanized equipment will be regularly inspected and maintained to prevent contamination of waters and wetlands from fuels, lubricants, hydraulic fluids, or other toxic materials. No equipment staging or storage of construction material will occur in wetlands. Hydro-seeding equipment or concrete equipment will not be discharged or washed out into any surface waters or wetlands. In the event of a spill of petroleum products or any other hazardous waste, the permittee shall immediately report it to the N.C. Division of Water Quality at (919) 733-5083 or (800) 662-7956 and provisions of the North Carolina Oil Pollution and Hazardous Substances Control Act will be followed. 11. Every effort shall be taken to control and detain all demolition debris before it can enter the waterway or wetlands. No demolition debris shall be intentionally allowed to enter the waterway or wetlands. Any incidental demolition debris shall be removed from the waterway and/or wetlands in its entirety upon completion of that day's demolition. 12. This permit does not authorize the use of explosives in the demolition of any existing structures. 13. Dewatering of the construction site shall be accomplished by pumping to a maintained silt bag or approved silting basin. All connections and hose lines shall be inspected for proper coupling fit and leaks before the commencement of the daily work. Used silt bags shall be changed out in accordance with manufacture's specifications and not allowed to overcharge and release sediment to the surface waters and/or wetlands. Silt bags will not be located within any wetland or surface water. 14. Construction equipment shall work from the existing causeway and not be allowed within any unauthorized areas. 15. All temporary fill material shall be placed on filter fabric and removed in its entirety upon completion of construction. The area shall be restored to preconstruction contours and stabilized at the earliest practicable date to prevent sediment from entering into adjacent waters or wetlands. 16. Bridge bents shall not be located within any jurisdictional area. 17. The pond water level shall be lowered at a rate of no greater than 1-foot a day to a final water surface elevation of 164 feet mean sea level. 18. Measures shall be taken to prevent the sluicing of sediment from the pond during the draw down phase. The applicant shall provide the U.S. Army Corps of Engineers, Mr. Richard Spencer, Wilmington Regulatory Field Office with a final plan indicating measures that will be taken to prevent sediment sluicing prior to the commencement of pond draw down. 19. A sufficient number of hydrologic monitoring wells shall be installed and developed along established transects within the pond area immediately following draw down. Hydrographs will be developed from the collected data to ascertain the extent of hydrologic regime change resulting from the draw down. Vegetation monitoring shall be conducted along the same transects to determine changes in vegetation communities within the pond area. 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J .~`, , ~: i~ s i ~~ ;~ ~~ 7 F 1 1 If1b ~i ~i a ~ v~~* j I}} y 9 E ~~ [~[ i ,~ ~i ~ ~,~ r,' t t A ~; ~' ~ , ~' ~ ~~ ~~ ~.. f 1 : S r~ A i ~'~I; ~~ ~~ .~. ~w r~rn~~on cYx (~ a b~: { 1~ u t t L ~{ DEPARTMENT OF THE ARMY Wilmington District, Corps of Engineers Post Office Box 1890 Wilmington, North Carolina 28402-1890 Regional Ceneral Permit No. 198200031 Name of Permittee: General Public Effective Date: September 1.2003 Expiration Date: August 31, 2008 DEPARTMENT OF THE ARMY REGIONAL GENERAL PERMIT A regional general permit (RGP) to perform work in or affecting navigable waters of the United States and waters of the United States, upon recommendation of the Chief of Engineers, pursuant to Section 10 of the Rivers and Harbors Act of March 3, 1899 (33 U.S.C. 403), and Section 404 of the Clean Water Act (33 U.S.C. 1344), is hereby modified and re-issued by authority of the Secretary of the Army by the District Engineer U.S. Army Engineer District, Wilmington Corps of Engineers Post Office Box 1890 Wilmington, North Carolina 28402-1890 TO AUTHORIZE THE DISCHARGE OF DREDGED OR FILL MATERIAL IN WATERS OF THE UNITED STATES, INCLUDING WETLANDS, ASSOCIATED WITH THE CONSTRUCTION, MAINTENANCE AND REPAIR OF BRIDGES, INCLUDING COFFERDAMS, ABUTMENTS, FOUNDATION SEALS, PIERS, APPROACH FILLS, DETOUR FILLS, BOX CULVERT INSTALLATION AND TEMPORARY CONSTRUCTION AND ACCESS FILLS, IN WATERS OF THE UNITED STATES AS PART OF WORK CONDUCTED BY THE NORTH CAROLINA DEPARTMENT OF TRANSPORTATION (NCDOT) O~R OTHER STATE, FEDERAL OR LOCAL GOVERNMENTAL ENTITY, IN THE STATE OF NORTH CAROLINA. 1. Special Conditions. a. Written confirmation that the ~ronosed work complies with this RGP must be received from the Wilmington District En ineer prior to the commencement of any work. To enable this determination to be made, the permittee must furnish the Wilmington District Engineer apre- construction notification with the following information: (1) A map indicating the location of the work. (2) Plans of the proposed work showing all pertinent structures, elevations, dimensions and quantities of materials and locations of all structures and/or fill in wetlands or waterward of the normal high water elevation contours. (3) A brief discussion of the affected aquatic resources, including streams and wetlands. The discussion shall include the identification and types of vegetation present. (4) Approximate commencement and completion dates. (5) A description of methods to be employed to avoid and/or minimize permanent and temporary impacts to aquatic resources caused by the proposed work. (6) Plans, including timetables and techniques, for construction, stabilization and removal of all unavoidable temporary fills. (7) Names and addresses of adjoining property owners. b. In the case of fills of one acre or less, including permanent approach fills, detour fills and fills associated with culvert installation, the Corps of Engineers' Project Manager will determine, after appropriate onsite visits and review of plans, if the impacts on aquatic resources, including streams and wetlands, are likely to be such as to require review by Federal and State agencies. If it is determined that impacts are minimal or can be made minimal by changes agreed to by the applicant, a letter of authorization to proceed will be provided. If it is determined that review by Federal and State agencies is necessary to fully evaluate impacts, copies of all plans and materials will be forwarded to the U.S. Fish and Wildlife Service (U5FWS), the National Marine Fisheries Service (NMFS), the U.S. Environmental Protection Agency (EPA) and the North Carolina Department of Environment and Natural Resources (NCDENR). These agencies will furnish comments to the Wilmington District Engineer within thirty (30) days. c. In cases of fills greater than one acre, copies of all plans and materials will be forwarded to the USFWS, the NMFS, the EPA and the NCDENR. These agencies will furnish comments to the Wilmington District Engineer in thirty (30) days. In cases of land disturbing activities comprising more than one acre, aSedimentation/Erosion Control Plan will be filed with the North Carolina Division of Land Resources, Land Quality Section, thirty (30) days prior to commencing work. d. Where work is proposed within the twenty (20) coastal counties, as defined by the North Carolina Division of Coastal Management, the applicant shall forward a copy of the pre- construction notification to: National Marine Fisheries Service 101 Pivers Island Road Beaufort, North Carolina 28516 The counties in which this condition applies are: Beaufort Hertford Bertie Hyde Brunswick New Hanover Camden Onslow Carteret Pamlico Chowan Pasquotank Craven Pender Currituck Perquimans Dare Tyrrell Gates Washington e. In the event that any Federal agency maintains an objection or any required State authorization is outstanding, no notice to proceed will be given until objections are resolved and State authorizations are issued. f. No work will proceed until after the applicant has received written notice to proceed from the Wilmington District Engineer. This notice may include additional conditions and/or restrictions. Copies of the notice to proceed will be furnished to the USFWS, the iVMFS, the EPA and the NCDENR with a brief description of the work, including the area of wetlands affected and the quantity of fill material. g. Upon completion of any work authorized by this RGP, all temporary fills will be completely removed and the area reestablished as a wetland by restoring natural hydrology and native vegetation. Stream contours and riparian vegetation will be reestablished upon the removal of temporary culverts. In such instances, a restoration plan will be submitted to the Wilmington District Engineer for approval. Information in the restoration plan will be in accordance with special condition i, below. h. Appropriate soil and erosion control measures must be established and maintained during construction. All fills; temporary and permanent, must be adequately stabilized at the earliest practicable date to prevent erosion of fill material into adjacent waters or wetlands. i. In cases where new alignment approaches are to be constructed and the existing wetland approach fill is to be abandoned and no longer to be maintained as a roadway, the abandoned fill shall be removed and the area reestablished as a wetland. In such instances, a restoration plan will be submitted to the Wilmington District Engineer for approval. Information in the restoration plan will be in accordance with special condition i. below. j. Discharges of dredged or fill material into waters of the United States, including wetlands, must be minimized or avoided to the maximum extent practicable. In reviewing an activity, the Wilmington District Engineer will first determine whether the activity will result in more than minimal adverse environmental affects. For activities that are determined to have more than minimal impacts, compensatory mitigation will be required. To expedite the process, the applicant will provide a mitigation plan with the request for authorization. Site specific mitigation proposals will include, but are not necessarily limited to, a description of work, a schedule of work and a monitoring plan, and they will be in accordance with currently approved Wilmington District and/or Corps-wide mitigation guidelines. The applicant may propose other forms of mitigation, such as mitigation bank credits or in-lieu fee mitigation with the notification, which in some situations and at the discretion of the Wilmington District, maybe considered acceptable mitigation. k. Activities in any North Carolina designated "Mountain Trout Waters" must comply with all pH, temperature and turbidity criteria established for such waters by the North Carolina Wildlife Resources Commission (NCWRC) and/or the North Carolina Division of Water Quality (NCDWQ). Work that may result in the sedimentation of trout waters will generally be prohibited from October 15 to April 15, of any year, to avoid impacts on trout spawning. 1. Before discharging dredged or fill material into waters of the United States, including wetlands, in the twenty-five (25) mountain counties of North Carolina that contain trout waters, the applicant will obtain and provide a letter of comments and recommendations from the North NCWRC on the proposed activities. A discussion of alternatives to working in the mountain trout waters and why alternatives were not selected, and a plan to provide compensatory mitigation for all unavoidable adverse impacts to the mountain trout waters shall also be submitted with the letter from NCWRC. To facilitate coordination with the NCWRC, the proponent may provide a copy of the notification to the NCWRC concurrent with the notification to the District Engineer. The NCWRC will respond both to the proponent and directly to the Corps of Engineers. The applicant should contact: North Carolina Wildlife Resources Commission Habitat Conservation Program Manager 1721 Mail Service Center Raleigh, North Carolina 27699-1721 Telephone (919) 733-7638 The counties in which this condition applies are: Alleghany Ashe Avery Buncombe Burke Caldwell Cherokee Clay Graham Haywood Henderson Jackson Macon Madison McDowell Mitchell Polk Rutherford Stokes Surry Swain Transylvania Watauga Wilkes Yancey m. This permit does not authorize the use of culverts in areas designated as anadromous fish spawning areas by the North Carolina Division of Marine Fisheries (NCDMF) or the North Carolina Wildlife Resources Commission (NCWRC). n. Discharges into Waters of the United States designated by either the North Carolina Division of Marine Fisheries (NCDMF) or the NCWRC as anadromous fish spawning area are prohibited during the period between February 15 and June 30, without prior written approval -~ from NCDMF or NCWRC and the Corps. Discharges into waters of the United States designated by NCDMF as primary nursery areas and discharges into waters of the United States designated by NCWRC as inland nursery areas shall be coordinated with NCDMF and NCWRC prior to being authorized by this RGP. Coordination with NCDMF and NCWRC may result in a required construction moratorium during periods of significant biological productivity or critical life stages. The Applicant should contact: NC Division of Marine Fisheries North Carolina Wildlife Resources Commission 3441 Arendell Street Habitat Conservation Program Manager Morehead Clty, NC 28557 1721 Mail Service Center Telephone 252-726-7021 Raleigh, NC 27699-1721 or 800-682-2632 Telephone (919) 733-7638 o. No activity may result in substantial permanent disruption of the movement of those species of aquatic life indigenous to the waterbody, including those species that normally migrate through the area. p. This permit generally allows the permanent installation of culverts to 100 feet in length. For culverts longer than 100 feet, the proposed application will be closely evaluated to determine if unacceptable impacts on movement of aquatic organisms would result. In such cases, approval may not be provided. q. If the project is located within the twenty (20) counties of North Carolina designated as coastal counties by the Coastal Area Management Act (CAMA), then all pipe and culvert inverts will be buried at least one foot below normal bed elevation when they are placed within the Public Trust Area of Environmental Concern (AEC) and/or the Estuarine Waters AEC as designated by CAMA, and/or all streams appearing as blue lines on United States Geological Survey (USGS) quad sheets. If the project is not located within the twenty (20) counties of North Carolina designated as coastal counties by CAMA, then culvert inverts will be buried at least one foot below the bed of the stream for culverts greater than 48 inches in diameter. For culverts 48 inches in diameter or smaller, culverts must be buried below the bed of the stream to a depth equal to or greater than 20 percent of the diameter of the culvert. Bottomless arch culverts will satisfy this condition. A waiver from the depth specifications in this condition maybe requested in writing. The waiver will only be issued if it can be demonstrated that the impacts of complying with this condition would result in more adverse impacts to the aquatic environment. r. All activities authorized by this RGP shall, to the extent practicable, be conducted "in the dry", with barriers installed between work areas and aquatic habitat to protect that habitat from cement or other pollutants. Where concrete is utilized, measures will be taken to prevent live or fresh concrete, including bags of uncured concrete, from coming into contact with waters of the state until the concrete has hardened. Water in the work area will be pumped to holding and settling ponds as practicable, and water will not be allowed to re-enter the water column until decanted. s. If the project authorized by this RGP is proposed by a Federal or State agency, and is located within the twenty (20) counties of North Carolina designated as coastal counties by the LAMA, then prior to project initiation the proponent must obtain a determination of consistency with the state's coastal management program from the N.C. Division of Coastal Management (DCM). A copy of the state's consistency determination must be provided to the appropriate Wilmington District Regulatory Office at the following address: Wilmington Regulatory Field Office Washington Regulatory Field Office P.O. Box 1890' P.O. Box 1000 Wilmington, NC 28402 Washington, NC 27889 The state's consistency determination will be conveyed in the form of a CAMA permit if the project is located within a designated CAMA Area of Environmental Concern (AEC), and will be conveyed in the form of a Consistency Determination letter from DCM if the project is not located within a designated CAMA AEC. t. No work shall be authorized by the RGP within the twenty coastal counties, as defined by the North Carolina Division of Coastal Management, without prior consultation with NOAA Fisheries. For each activity reviewed by the Corps of Engineers where it is determined that the activity may affect Essential Fish Habitat (EFH) for Federally managed species, an EFH Assessment shall be prepared by the applicant and forwarded to the Corps of Engineers and NOAA Fisheries for review and comment prior to authorization of work. u. All work will comply with Water Quality Certification No. 3404, issued by the NCDWQ on 28 March 2003. v. The activity must be designed to maintain preconstnaction downstream flow conditions (e.g., location, capacity, and flow rates). Furthermore, the activity must not permanently restrict or impede the passage of normal or expected high flows and the structure or discharge of dredged or fill material must withstand expected high flows 2. General Conditions. a. All activities authorized by this RGP that involve the discharge of dredged or fill material in waters of the United States will be consistent with applicable water quality standards, effluent limitations and standards of performance, prohibitions, pre-treatment standards and management practices established pursuant to the Clean Water Act (33 U.S.C. 1344) and applicable State and local law. If the proposed activity involves the discharge of dredged or fill material in waters of the United States, prior to the commencement of any work, the applicant will satisfy the NCDWQ regarding the need for a Water Quality Certification pursuant to Section 401 of the Clean Water Act. G b. There will be no unreasonable interference with navigation or the right of the public to riparian access by the existence or use of activities authorized by this RGP. c. A pennittee, upon receipt of written notice from the Wilmington District Engineer of failure to comply with the terms or conditions of this RGP, will, within 60 days, without expense to the U.S. Government, and in such manner as the Wilmington District Engineer may direct, affect compliance with the terms and conditions or return the worksite to a pre-work condition. d. The permittee must make every reasonable effort to perform the work authorized herein in a manner so as to minimize any adverse impact on fish, wildlife and natural environmental values. e. The permittee must perform the work authorized herein in a manner so as to minimize any degradation of water quality. The activity will be conducted in such a manner as to prevent a significant increase in turbidity outside the area of construction or construction-related discharge. Increases such that the turbidity in the water body is 50 NTU's or less in all rivers not designated as trout waters by the North Carolina Division of Environmental Management (NCDEM), 25 NTU's or less in all saltwater classes and in all lakes and reservoirs, and 10 NTU's or less in trout waters, are not considered significant. f. The permittee will permit the Wilmington District Engineer or his representative to make periodic inspections at any time deemed necessary in order to assure that the activity is being performed or maintained in strict accordance with the Special and General Conditions of this permit. g. This RGP does not convey any rights, either in real estate or material, or any exclusive privileges; and it does not authorize any injury to property or invasion of rights or any infringement of Federal, State or local laws or regulations, nor does it obviate the requirement to obtain State or local assent required by law for the activity authorized herein. These may include, but are not necessarily limited to, a Dredge and/or Fill Permit (N.C.G.S. 113-229), a CAMA Permit (N.C.G.S. 113A-118), an Easement to Fill (N.C.G.S. 146-12) and a Water Quality Certification pursuant to Section 401 of the Clean Water Act. h. Authorization provided by this RGP may be modified, suspended or revoked in whole or in part if the Wilmington District Engineer, acting on behalf of the Secretary of the Army, determines that such action would be in the best public interest. Unless subject to modification, suspension or revocation, the term of this RGP shall be five years. Any modification, suspension or revocation of this authorization will not be the basis for any claim for damages against the U.S. Government. i. This RGP does not authorize the interference with any existing or proposed Federal project and the permittee will not be entitled to compensation for damages or injury to the structures or work authorized herein which may be caused by or results from existing or future operations undertaken by the United States in the public interest. 7 j. This RGP will not be applicable to proposed construction when the Wilmington District Engineer determines that the proposed activity would significantly affect the quality of the human environment and determines that an Environmental Impact Statement (EIS) must be prepared. k. This RGP will not be applicable to proposed construction when the Wilmington District Engineer determines, after any necessary investigations, that the proposed activity would adversely affect areas that possess historic, cultural, scenic, conservation or recreational values. Application of this exemption applies to: (1) Rivers named in Section 3 of the Wild and Scenic Rivers Act (15 U.S.C. 1273), those proposed for inclusion as provided by Sections 4 and 5 of the Act and wild, scenic and recreational rivers established by State and local entities. . (2) Historic, cultural or archeological sites listed in or eligible for inclusion in the National Register of Historic Places as defined in the National Historic Preservation Act of 1966 as amended, the Abandoned Shipwreck Act of 1987 and the Native American Graves Protection and Repatriation Act. (3) Sites included in or determined eligible for listing in the National Registry of Natural Landmarks. (4) Endangered or threatened species or critical habitat of such species as determined by the Secretaries of Interior or Commerce and concerned in accordance with the Endangered Species Act (16 U.S.C. 1531). (5) NOAA designated marine sanctuaries, National Estuarine Research Reserves, and coral reefs. 1. Permittees are advised that activities in or near a floodway maybe subject to the National Flood Insurance Program, which prohibits any activities, including fill within a floodway that results in any increase in base flood elevations. m. At his discretion, the Wilmington District Engineer may determine that this RGP will not be applicable to a specific construction proposal. In such case, the procedure for processing an individual permit in accordance with 33 CFR 325 will be available. n. The permittee or the permittee's successors will maintain the authorized work in good condition and in conformance with the terms and conditions of the RGP. o. The discharge of dredged or fill material shall consist of suitable material free from toxic pollutants in toxic amounts. BY AUTHORITY OF THE SECRETARY OF THE ARMY: harles le ander, Jr Colonel, U. S. Army District Engineer 9 0~ vv~~rCn ,- ~ \O~ , 77QGv ~ r ~ ~ o ~ William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Alan W. Klimek, P.E. Director Division of Water Quality November 17, 2006 Scotland County Bridge Nos. 61 and 62 on SR 1108 DWQ Project No. 20061674 B-3373 APPROVAL of 401 Water Quaiity Certification Dr. Gregory J. Thorpe, PhD., Branch Manager Project Development and Environmental Analysis Branch North Carolina Department of Transportation 1548 Mail Service Center Raleigh, North Carolina, 27699-1548 Dear Dr. Thorpe: You have our approval, in accordance with the conditions listed below, for the following impacts for the purpose of replacing Bridges Nos. 61 and 62 over Gum Swamp Creek on SR 1108 in Scotland County: Wetland Impacts in the Lumber River Basin Site Fill (ac) Fill (temporary) ac Drainage (ac) Total Wetland Impact (ac) 1B 0.22 0.07 0 0.29 Mill and 0 0 18.57 18.57 Total 0.22 0.07 18.57 18.86 Total Wetland Impact for Project: 18.86 acres. Open Water Pond Impacts in the Lumber River Basin Site Permanent Fill in Open Waters ac Temporary Fill in Open Waters (ac) Permanent Drainage of O en Waters ac Total Fill in Open Waters (ac) lA 0.33 0 0 0.33 Mill and 0 0 32.22 32.22 Total 0.33 0 32.22 32.55 Total Open Water Impact for Project: 32.55 acres. The project shall be constructed in accordance with your application dated received October 24, 2006. After reviewing your application, we have decided that these impacts are covered by General Water Quality Certification Number 3404. This certification corresponds to the General Permit 31 issued by the Corps of Engineers. In addition, you should acquire any other federal, state or local permits before you proceed with your project including (but not limited to) Sediment and Erosion Control, Non-Discharge and Water Supply Watershed regulations. This approval will expire with the accompanying 404 permit. This approval is valid solely for the purpose and design described in your application (unless modified Transportation Permitting Unit 1650 Mail Service Center, Raleigh, North Carolina 27699-1650 2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604 Phone: 919-733-17861 FAX 919-733-6893 l Internet: htto:l/h2o.enr.state.nc.us/ncwetlands An Equal OpportunitylAffirmative Action Employer - 50% Recycled110% Post Consumer Paper Dr. Thorpe B-3373 November 17, 2006 property is sold, the new owner must be given a copy of this Certification and approval letter, and is thereby responsible for complying with all the conditions. If total wetland fills for this project (now or in the future) exceed one acre, or of total impacts to streams (now or in the future) exceed 1501inear feet, compensatory mitigation maybe required as described in 15A NCAC 2H .0506 (h) (6) and (7). For this approval to remain valid, you must adhere to the conditions listed in the attached certification. Conditions of Certification: 1. Compensatory mitigation is required for impacts to 18.86 acres of riverine wetlands. The permittee shall comply with the on-site wetland mitigation plan submitted on October 24, 2006. Prior to the start of hydrologic monitoring, a hydrologic monitoring plan shall be submitted in writing to and approved by the Division of Water Quality. The hydrologic monitoring plan shall include maps showing the proposed number and location of the monitoring gauges. For the wetland mitigation sites shown in Figure 1 of the wetland mitigation plan outlined in blue, the permittee shall plant 680 stems/acre. Vegetation success shall be measured by survivability over a 5-year monitoring period. Survivability will be based on 320 stems/acre after three (3) years and 260 stems after five (5) years. A survey of vegetation during the growing season shall be conducted annually over the five-year monitoring period and submitted to the NC Division of Water Quality. If the surviving vegetation densities are below the required thresholds after the five-year monitoring period, the site may still be declared successful at the discretion of and with written approval from the NC Division of Water Quality. Hydrologic success of the sites will be attained by restoration of a hydrologic regime that results in inundation or saturation of the soils within 12 inches of the ground surface for at least 12.5 percent of the growing season. The hydrologic monitoring shall persist for a total of five (5) years. A survey of the hydrology during the growing season shall be conducted annually over the five-year monitoring period and submitted to the NC Division of Water Quality. After the five- year monitoring period, if the monitoring requirements are not met, the site may still be declared successful at the discretion of and with written approval from the NC Division of Water Quality. If the hydrologic monitoring data shows that less than 18.86 acres of wetland are restored, DOT will be required to obtain additional wetland mitigation to satisfy the compensatory mitigation needs of the project. 2. This approval will expire with the accompanying federal 404 permit issued by the Corps of Engineers. This condition supercedes condition No. 19 of Genera] Water Quality Certification Number 3404. Placement of culverts and other structures in waters, streams, and wetlands shall be placed below the elevation of the streambed by one foot for all culverts with a diameter greater than 48 inches, and 20 percent of the culvert diameter for culverts having a diameter less than 48 inches, to allow low flow passage of water and aquatic life. Design and placement of culverts and other structures including temporary erosion control measures shall not be conducted in a manner that may result in dis-equilibrium of wetlands or streambeds or banks, adjacent to or upstream and down stream of the above structures. The applicant is required to provide evidence that the equilibrium is being maintained if requested in writing by DWQ. If this condition is unable to be met due to bedrock or other limiting features encountered during construction, please contact the NC DWQ for 2 lir. i u~i~c B-3373 ~ November 17, 2006 guidance on how to proceed and to determine whether or not a permit modification will be required. 4. If concrete is used during construction, a dry work area should be maintained to prevent direct contact between curing concrete and stream water. Water that inadvertently contacts uncured concrete should not be discharged to surface waters due to the potential for elevated pH and possible aquatic life and fish kills. 5. During the construction of the project, no staging of equipment of any kind is permitted in waters of the U.S., or protected riparian buffers. 6. The dimension, pattern and profile of the stream above and below the crossing should not be modified. Disturbed floodplains and streams should be restored to natural geomorphic conditions. 7. The use of rip-rap above the Normal High Water Mark shall be minimized. Any rip-rap placed for stream stabilization shall be placed in stream channels in such a manner that it does not impede aquatic life passage. 8. All work in or adjacent to stream waters shall be conducted in a dry work area. Approved BMP measures from the most current version of NCDOT Construction and Maintenance Activities manual such as sandbags, rock berms, cofferdams and other diversion structures shall be used to prevent excavation in flowing water. 9. Heavy equipment shall be operated from the banks rather than in the stream channel in order to minimize sedimentation and reduce the introduction of other pollutants into the stream. 10. Heavy equipment may be operated within the stream channels however, its usage shall be minimized. 11. All mechanized equipment operated near surface waters must be regularly inspected and maintained to prevent contamination of stream waters from fuels, lubricants, hydraulic fluids, or other toxic materials. 12. No rock, sand or other materials shall be dredged from the stream channel except where authorized by this certification. 13. Discharging hydroseed mixtures and washing out hydroseeders and other equipment in or adjacent to surface waters is prohibited. 14. The permittee and its authorized agents shall conduct its activities in a manner consistent with State water quality standards (including any requirements resulting from compliance with §303(d) of the Clean Water Act) and any other appropriate requirements of State and Federal law. If DWQ determines that such standards or laws are not being met (including the failure to sustain a designated or achieved use) or that State or federal law is being violated, or that further conditions are necessary to assure compliance, DWQ may reevaluate and modify this certification. 15. All fill slopes located in jurisdictional wetlands shall be placed at slopes no flatter than 3:1, unless otherwise authorized by this certification.. Dr. Thorpe B-3373 November 17, 2006 16. A copy of this Water Quality Certification shall be posted on the construction site at all times. In addition, the Water Quality Certification and all subsequent modifications, if any, shall be maintained with the Division Engineer and the on-site project manager. 17. The outside buffer; wetland or water boundary located within the construction corridor approved by this authorization shall be clearly marked by highly visible fencing prior to any land disturbing activities. Impacts to areas within the fencing are prohibited unless otherwise authorized by this certification. 18. Upon completion of the project, the NCDOT Division Engineer shall complete and return the enclosed "Certification of Completion Form" to notify DWQ when all work included in the 401 Certification has been completed. 19. Native riparian vegetation (ex. list trees and shrubs native to your geographic region) must be reestablished within the construction limits of the project by the end of the growing season following completion of construction. 20. There shall be no excavation from, or waste disposal into, jurisdictional wetlands or waters associated with this permit without appropriate modification. Should waste or borrow sites be located in wetlands or streams, compensatory mitigation will be required since that is a direct impact from road construction activities. Erosion and sediment control practices must be in full compliance with all specifications governing the proper design, installation and operation and maintenance of such Best Management Practices in order to protect surface waters standards: a. The erosion and sediment control measures for the project must be designed, installed, operated, and maintained in accordance with the most recent version of the North Carolina Sediment and Erosion Control Planning and Design Manual. b. The design, installation, operation, and maintenance of the sediment and erosion control measures must be such that they equal, or exceed, the requirements specified in the most recent version of the North Carolina Sediment and Erosion Control Manual. The devices shall be maintained on all construction sites, borrow sites, and waste pile (spoil) projects, including contractor-owned or leased borrow pits associated with the project. c. For borrow pit sites, the erosion and sediment control measures must be designed, installed, operated, and maintained in accordance with the most recent version of the North Carolina Surface Mining Manual. d. The reclamation measures and implementation must comply with the reclamation in accordance with the requirements of the Sedimentation Pollution Control Act. 21. Sediment and erosion control measures shall not be placed in wetlands or waters unless otherwise approved by this Certification. If placement of sediment and erosion control devices in wetlands and waters is unavoidable, they shall be removed and the natural grade restored upon completion of the project. 22. Upon completion of the project, the NCDOT Division Engineer shall complete and return the enclosed "Certification of Completion Form" to notify DWQ when all work included in the 401 Certification has been completed. ti 4 lir. i norpe B-3373 "~ ~ , ~ ~ November 17, 2006 If you do not accept any of the conditions of this certification, you may ask for an adjudicatory hearing. You must act within 60 days of the date that you receive this letter. To ask for a hearing, send a written petition that conforms to Chapter 150B of the North Carolina General Statutes to the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, N.C. 27699. This certification and its conditions are final and binding unless you ask for a hearing. This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water Act. If you have any questions, please Brian Wrenn at 919-733-5715. Sincerely, Alan W. Klimek, P.E. Attachment cc: Tim Johnson, Division 8, District Engineer, NC DOT Richard Spencer, Amy Corps of Engineers Wilmington Regulatory Field Office Ken Averitte, DWQ Fayetteville Regional Office Travis Wilson, NC WRC Gary Jordan, US FWS Chris Militscher, US EPA Kathy Matthews, US EPA File Copy W~d y,. e ,.., ~ ~~ D~ V. M STATE OF NORTH CAROLINA DEPARTMENT OF TRANSPORTATION MICHAEL F. EASLEY GoveaNOR October 24, 2006 U.S. Army Corps of Engineers Regulatory Field Office Post Office Box 1890 Wilmington, NC 28402-1890 ,. _ 06 1 G 74 LYNDO TIPPETT SI:CRF.I'ARY ATTN: Mr. Richard Spencer NCDOT Coordinator SUBJECT: Clean Water Act Section 404 Regional General Permit No. 198200031 Application for replacement of Bridge Nos. 61 and 62 over Gum Swamp Creek at Lytch's pond (X-Way pond) on SR 1108 (X-Way Road) in Scotland County. Federal Aid Project No. BRSTP-1108 (4), State Project. No. 8.2590401, $475.00 Debit Work Order 8.2590401, WBS Element No. 33021.1.1. Division o. - References: Wetland Restoration Plan dated 10/11/06. X-Way Pond Dam Breach Installation Plans Figure 1. Aerial Photol~raphy NCDENR Certificate of Approval letter dated 9/1/06 Bridge No. 61 was constructed in 1977 and is 53 feet long. It is a single span superstructure composed of a steel plank deck on I-beams supported by end bents composed of steel cap on steel piles. Currently no water flows beneath Bridge No. 61. Bridge No. 62 was constructed in 1975 and is 1 l0 feet long and 28 feet in width providing for two travel lanes. It is a three span superstructure composed of a steel plank deck on I-beams supported by timber caps and concrete piles encased at the spillway. The replacement of Bridge No. 62 (TIP B-3373) is scheduled to be let in September 2008. Due to the rapid deterioration of the concrete spillway under Bridge No. 62 in Scotland County and the deterioration of the bridge substructure itself, the North Carolina Department of Transportation (NCDOT) was forced to close X-Way Road (SR 1108) to avoid the serious injury and potential loss of life that would result from a bridge failure. X-Way Road (SR l 108) has an estimated Average Daily Traffic (ADT) of 4,000 vehicles per day and this route is a significant thoroughfare in the Laurinburg/ Scotland County area. Currently, MAILING ADDRESS: LOCATION: NC DEPARTMENT OF TRANSPORTATION TELEPHONE: 919-715-1334 PROJECT DEVELOPMENT AND ENVIRONMENTAL ANALYSIS FAX: 919-715-5501 2728 CAPITAL BLVD., SUITE 240 1598 MAIL SERVICE CENTER RALEIGH NC 27604 RALEIGH NC 27699-1598 WEBSITE: WWW.NCDOT.ORG D ~~~LI M u V n 1, r ~, ,~ >/~/)~ IvE~I'I ~~` ~_ .. ANDb ~iW,. r~i;~;<Mw'a!r'RB~CH traffic that would normally travel SR 1108 is being detoured approximately 7 miles. This creates significant additional road-user costs for the travelling public. NCDOT proposes to breach the existing dam first and then replace Bridge No. 62 at the scheduled letting in September 2008. A breach of the existing dam will facilitate the construction of a temporary bridge. The temporary bridge will have a length of 100 feet, clear roadway width of 28 feet and overall width of 40 feet. Repairs to Bridge No. 62 will then be conducted "in the dry" so that traffic may be restored on SR 1108. The significant amount of planning, environmental studies and design work that must be completed prior to a normal T.I.P. letting make it impossible to accelerate the original project and perform all of the required work in one stage. Please see the enclosed Pre-Construction notice (PCN), permit drawings, design plans and wetland restoration plan for the subject project. A Categorical Exclusion (CE) for this project was completed in 01/98 and a Categorical Exclusion (CE) Addendum will be completed in 10/06. A copy of the CE addendum will be forwarded to the appropriate agencies upon completion. Bridge No. 62 is located over an active concrete spillway. Bridge No. 61 (approximately 650 feet northeast of Bridge No. 62) is located near an abandoned turbine house. Lytch's pond is located upstream of the two existing bridges. The current off-site detour will be used during project construction. The project will be constructed in two phases. During Phase I (Permit drawing Site lA, Sheet 4 of 12), the dam will be breached and the water drained to original stream boundaries. A temporary bridge will be constructed above the dam breach at the natural stream channel. Bridge No. 62 will be repaired and the road opened to traffic. During Phase II Bridge Nos. 6l and 62 will be removed (Permit drawing Site 1 B, Sheet 9 of 12) and the area filled with earthen material. The road will be closed to traffic temporarily and an off- site detour utilized while the temporary bridge is removed and the proposed permanent bridge constructed over the breach area. Phase I (November 21, 2006)- Proposed Plan of Action for Breach of Lytch's pond and BridSe No. 62 repairs: The breach plan is completed and enclosed with this application (X-Way Pond Dam Breach Installation Plans) and shown on Site 1 A (Permit drawing Sheet 4 of 12). Dam Safety (North Carolina Department of Environment and Natural Resources or NCDENR) has approved the breach plans in a letter dated 09/01 /06 (Please see enclosed NCDENR Certificate of Approval letter). According to the breach plan, the water level will be lowered permanently from a normal pool elevation of 172 feet to a new elevation of 164 feet restoring the water level to the original stream boundaries. The water level will be lowered gradually, at a rate of no greater than 1-foot a day according to the breach plan. The following are steps involved in the breach. 1. Maintain Traffic on the current offsite detour. 2. Install temporary sheeting on both upstream and downstream sides of breach location. 3. Dewater area within temporary sheeting 4. Construct proposed rip rapped breach 2 5. Construct 100-foot temporary bridge over the breach 6. Gradually lower pond water level (controlled with sheeting elevation) 7. Make necessary repairs to Bridge No. 62 8. Open X-Way Road (SR-1 l08) to traffic Sediment Control: Prior to allowing water to overtop the weir shown on Drawing XW-203, Sheet 4 of 4 (X-Way Pond Dam Breach Installation Plans), the Contractor will excavate any sediment located within 20 feet of the centerline of the breach from Station 0+60 to Station 0+80 (Breach Channel Stations). The sediment will be excavated down to at least elevation 160 feet and relocated to the designated Temporary Stockpile Area (Drawing No. XW-205, Sheet 1 of 1, X- Way Pond Dam Breach Installation Plans). The cofferdam shown downstream of the breach (Drawing XW-203, Sheet 1 of 4 of the X-Way Pond Dam Breach Installation Plans) will remain in place during the lowering of the water level to act as a sediment basin. Sediment will be removed as necessary and in such a way as to avoid damage to or removal of the sheet piling and/or rip rap used for the breach. Repairs on Bridge No. 62 will be completed after the dam breach and the water level is lowered. No jurisdictional impacts to surface waters are anticipated from bridge repair. Phase II (September 20081-Removal of Bridge Nos. 61 and 62. widening of existing approaches, and replacement of the temporary bridge over the breach with a permanent 84 foot bride (Permit DrawinE Site 1B, Sheet 9 of 12): Bridges No. 61 and 62 will be removed and filled in during Phase II. No jurisdictional impacts are anticipated from bridge removal or fill placement. The existing approaches will be widened to current standards. The temporary bridge over the breach will be removed and the proposed permanent 84-foot bridge will be constructed over the dam breach and stream channel. Road closure is proposed and an off-site detour will be utilized. IMPACTS TO WATERS OF THE UNITED STATES The project is located in the Lumber River subbasin 03-07-55. The Division of Water Quality (DWQ) best usage classification of Gum Swamp Creek (DWQ) Index No.14-32-(2) is B Sw. There are no ORW, HQW, WS-I or WS-II identified waters within a mile of the study area. Gum Swamp Creek is not listed on the NC 2006 Section 303(d) list. At present, the spillway (below Bridge No. 62) carries the entire pond outflow. There is no other water outlet. The spillway is approximately 90 feet wide. The water depth flowing over the spillway ranges during the year from 6 inches to 12 inches. Water depth of Lytch's pond ranges from several inches at the edges to over 6 feet at the original stream channel. The water of Lytch's pond is cloudy and dark colored from tannins. The substrate consists of fine to course silt and sand sediments. Permanent wetland and surface water impacts from the drainage of Lytch's pond have been estimated using 1998 infra-red, 2003 aerials, LIDAR contours (2 feet, 5 feet and 10 feet), a study by Schnable Engineering that extended approximately 400 feet from the roadway, and field truthing (See attached Wetland Restoration Plan). Wetland and surface water impacts from the dam breach, Bridge Nos. 61 and 62 removal, temporary bridge construction and permanent bridge construction were calculated and are shown on the Impact Summary sheet (Permit drawing, Sheet 3 of 12). Permanent Impacts at Breach site (Phase I~ There will be surface water impacts from the installation of the rip-rap for the dam breach. These impacts are shown on Sheet 4 of 12 (Permit drawing) and summarized on the Impact Summary Sheet (Permit drawing, Sheet 3 of 12). The fill in surface waters will be 0.33 acres. There will be no wetland impacts from construction for the dam breach. Permanent Impacts as a result of the Breach: The drainage of Lytchs Pond will impact approximately 18.57 acres of wetlands and 32.22 acres of open water (see Figure 1 and attached Wetland Restoration Plan). Permanent Impacts from Permanent Bridge Construction (Phase IILThe permanent proposed bridge over Gum Swamp Creek at the breach site will be 84 feet long. Wetland impacts associated with construction of the permanent bridge over Gum Swamp Creek are due to approach work as shown on Sheet 9 of 12 (Permit drawing Site 1 B) and are summarized on the Impact Summary Sheet (Permit drawing Sheet 3 of 12). Fill in wetlands will be 0.22 acre and impacts from erosion control are 0.07 acre. These estimates are preliminary. A permit modification application will be submitted when final design is completed for the September 2008 letting. Temporary Impacts from Breach: Temporary surface water impacts from the dam breach total 0.09 acres (Permit drawings, Impact Summary Sheet, Sheets 3 and 4 of 12). Temporary surface water impacts are for dewatering. Utilitypacts: A Progress Energy power pole is located in the southeast quadrant of the dam breach (shown on top of the rip rap in the dam breach Permit drawing Sheet 9 of 12). This power pole will be moved south approximately 15 feet and re-attached to the aerial line that traverses the earthen dam. BellSouth has an underground telephone line along the west side of the bridge. The underground line will be abandoned and a new line will be attached to the Progress Energy power poles to make an aerial line for this section. A cable TV line is attached below the Progress Energy line on the power pole. The cable TV line will reconnect to the relocated Progress Energy power pole. According to the Scotland County Water Department there are no public water or sewer lines in the vicinity of the project. No jurisdictional impacts will occur from the above utility pole relocations. 4 FEDERALLY PROTECTED SPECIES Plants and animals with federal classifications of Endangered (E), Threatened (T), Proposed Endangered (PE) and Proposed Threatened (PT) are protected under the provisions of the Endangered Species Act of 1973, as amended. As of April 27, 2006 the US Fish and Wildlife Service (USFWS) lists six federally protected species for Scotland County (Table 1). No species have been added or deleted from this list since the 1998 CE and preparation of the 2006 CE addendum. The USFWS Threatened and Endangered Species in North Carolina website list checked for updates on 8/21/06. Biological conclusions of each species are shown in Table 1. The "No Effect" Biological Conclusion was reached for red-cockaded woodpecker, rough-leaved loosestrife and American chaffseed based on lack of suitable habitat. The biological conclusions for these three species remain valid because the current study area lacks suitable habitat. Recent surveys for Canby's dropwort (August 24, 2006) and Michaux's sumac (July 20, 2006) were conducted and no specimens of either species were found. Biological Conclusions of No Effect are given for these species. Table 1. Federally Protected Species for Scotland County Common Name Scientific Status Suitable Habitat Biological Name in the study Conclusion area Red-cockaded Picoides E No No Effect Wood ecker borealis Michaux's Rhus michaaixii E Yes No Effect sumac Canby's Oxypolis E Yes No Effect dro wort canb ii American Alligator T(S/A) Yes N/A alli ator mississi iensis American Schwalbea E No No Effect chaffseed americana Rough-leaved Lysimachia E No No Effect loosestrife as erulae olia AVOIDANCE, MINIMIZATION and MITIGATION Avoidance and Minimization: Avoidance examines all appropriate and practicable possibilities of averting impacts to "Waters of the US". The NCDOT is committed to incorporating all reasonable and practicable design features to avoid and minimize jurisdictional impacts and to minimize impacts as part of the project design. Practical means to minimize impacts to surface waters temporarily impacted by the project include: 5 Project Specific Measures- • Sediment Wedge: Prior to allowing water to overtop the weir shown on Drawing XW-203, Sheet 4 of 4 (X-Way Pond Dam Breach Installation Plans), the Contractor shall excavate any sediment located within 20 feet of the centerline of the breach from Station 0+60 to Station 0+80 (Breach Channel Stations). The sediment should be excavated down to at least elevation 160.0 feet and relocated to the designated Temporary Stockpile Area (Drawing No. XW-205, Sheet 1 of 1 of the X-Way Pond Dam Breach Installation Plans). • The cofferdam shown downstream of the breach (X-Way Pond Dam Breach Installation Plans, Drawing XW-203, Sheet 1 of 4) will remain in place during the lowering of the water level to act as a sediment basin. Sediment will be removed as necessary and in such a way as to avoid damage to or removal of the sheet piling and rip rap for the breach. • During construction road closure is planned and traffic will be diverted to an off-site detour. • The project is to be constructed on existing alignment. • The permanent bridge will be constructed at the original stream channel boundary. • The project design was developed to keep the footprint of the proposed project away from the wetlands in the northern (pond side) quadrant. The approach fill slopes are 2:1 in wetlands (Permit Drawings Sheet 8 and 12 of 12). • The permanent 84-foot bridge will be a single span box beam structure. No interior bents are proposed. • No end bents from temporary bridge construction are to be placed in surface waters of Gum Swamp Creek. • Temporary workpad(s) will be placed in uplands (on the causeway) away from the stream channel. Standard Measures- Best Management Practices will be followed for this project as outlined in "NCDOT's Best Management Practices for Construction and Maintenance Activities". Miti atg ion: On-site wetland mitigation is proposed because of wetland impacts associated with pond drainage. The proposed wetland mitigation site will be approximately 54.52 acres consisting of 18.57 acres of upland (drained wetland) and 32.22 acres of wetland (drained surface water) restoration. A permanent conservation easement will be placed on the mitigation site. The mitigation design will be determined and finalized after the pond has been drained. The mitigation design will be included in the permit modification application that will be submitted for the September 2008 letting. REGULATORY APPROVALS Section 404 Permit: It is anticipated that the impacts (permanent and temporary) from the dam breach, dewatering, temporary construction and repairs, bridge removal and construction will be authorized under a Section 404 Regional General Permit No. 198200031 based on an on-site meeting with Richard Spencer on August 29, 2006. We are therefore requesting the issuance of a Regional General Permit No. 198200031 for the impacts associated from project construction. 6 Section 401 Permit: We anticipate 401 General Certification number 3404 will be applicable to this project. In compliance with Section 143-215.3D(e) of the NCAA we have provided a method of debiting $475, as noted in the subject line of this application, as payment for processing the Section 401 Water Quality Certification modification application. We are providing 5 copies of this application to the North Carolina Department of Environment and Natural Resources, Division of Water Quality for their use. Thank you for your time and assistance with this project. A copy of this permit application will be posted on the NCDOT website at http://www.ncdot.org/~doh/preconstruct/pe/neu/permit.html. Please contact Susan Thebert at (919) 715-1461 or sthebert@dot.state.nc.us if you have any questions or need any additional information. Sincerely, ~ > ~-' ~. /V j ~-------~__ /. Gregory J. Thorpe, Ph.D ''~ Environmental Management Director, PDEA w/attachment Mr. John Hennessy, NCDWQ (5 Copies) Mr. Travis Wilson, NCWRC Mr. Clarence W. Coleman, P.E., FHWA Mr. Gary Jordan, USFWS Dr. David Chang, P.E., Hydraulics Mr. Mark Staley, Roadside Environmental Mr. Greg Perfetti, P.E., Structure Design Mr. Tim Johnson, P.E., Division 8 Engineer Mr. Art King, Division 8 Environmental Officer w/o attachment Mr. Jay Bennett, P.E., Roadway Design Mr. Majed Alghandour, P. E., Programming and TIP Mr. Art McMillan, P.E., Highway Design Mr. Scott McLendon, USACE, Wilmington Mr. Tracy Walter, PDEA Project Planning Engineer Mr. Carl Goode, PE, Human Environment Unit Head Office Use Only: Form Version March OS 20,..~~~ ~~ 4 USAGE Action ID No. DWQ No. (lY any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".) 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: 198200031 3. If this notification is solely a courtesy copy because written approval for the 401 Certification is not required, check here: ^ 4. If payment into the North Carolina Ecosystem Enhancement Program (NCEEP) is proposed for mitigation of impacts, attach the acceptance letter from NCEEP, complete section VIII, and check here: ^ 5. If your project is located in any of North Carolina's twenty coastal counties (listed on page 4), and the project is within a North Carolina Division of Coastal Management Area of Environmental Concern (see the top of page 2 for further details), check here: ^ II. Applicant Information 1. Owner/Applicant Information Name: Gregory J. Thorpe, Ph.D. Environmental Management Director Mailing Address: 1598 Mail Service Center Telephone Number: (919) 733-3141 Fax Number:_(919) 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 9 III. Project Information Attach a vicinity map clearly showing the location of the property with respect to local landmarks such as towns, rivers, and roads. Also provide a detailed site plan showing property boundaries and development plans in relation to surrounding properties. Both the vicinity map and site plan must include a scale and north arrow. The specific footprints of all buildings, impervious surfaces, or other facilities must be included. If possible, the maps and plans should include the appropriate USGS Topographic Quad Map and NRCS Soil Survey with the property boundaries outlined. Plan drawings, or other maps may be included at the applicant's discretion, so long as the property is clearly defined. For administrative and distribution purposes, the USACE requires information to be submitted on sheets no larger than 11 by 17-inch format; however, DWQ may accept paperwork of any size. DWQ prefers full-size construction drawings rather than a sequential sheet version of the full-size plans. If full-size plans are reduced to a small scale such that the final version is illegible, the applicant will be informed that the project has been placed on hold until decipherable maps are provided. 1. Name of project: Bridge No. 62 replacement and breach of earthen dam impounding Lytch's pond of GumSwamp Creek on SR 1 ] 08 X-way Road 2. T.I.P. Project Number or State Project Number (NCDOT Only): B-3373 3. Property Identification Number (Tax PIN): N/A 4. Location County: Scotland Nearest Town: Laurinburg Subdivision name (include phase/lot number): N/A Directions to site (include road numbers/names, landmarks, etc.): Travel south on US 15, 401, 501 bypass of Laurinburg. Turn rightwest) on West Boulevard,_,(SR 1108). Bridge is approximately 3 miles. 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): 340 44' 36" °N 79031'44" °W 6. Property size (acres): N/A 7. Name of nearest receiving body of water: Gum Swamp Creek 8. River Basin: Lumber (Note -this must be one of North Carolina's seventeen designated major river basins. The River Basin map is available at http://h2o.cnr.state.nc.us/admin/mates/.) 9. Describe the existing conditions on the site and general land use in the vicinity of the project at the time of this application: SR 1108 is located on an earthen dam of L, ch's Rond, Page 2 of 9 which is an impoundment of Gum Swamp Creek west of the roadway Bride No. 62 spans the spillway of the pond, which allows Gum Swamp Creek to continue to flow downstream east of the bridge. Wetlands are located around the~pond and in areas downstream of the spillway. Land use isprimarily agricultural and residential with a several businesses. 10. Describe the overall project in detail, including the type of equipment to be used: The project will be handled in a two phase method. Phase I will involve breachin og f the dam and construction of a temporary bridge to reopen the road for travel. Phase II of the project will be constructing the permanent bride over the breach and removal of the existing structures. 11. Explain the purpose of the proposed work: The existing bridge was constructed in 1975. To improve safety by Bridge replacment and spillwa}_repairs. 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 USAGE 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. 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 Page 3 of 9 accompanying site plan. All wetlands and waters, and all streams (intermittent and perennial) should be shown on a delineation map, whether or not impacts are proposed to these systems. Wetland and stream evaluation and delineation forms should be included as appropriate. Photographs may be included at the applicant's discretion. If this proposed impact is strictly for wetland or stream mitigation, list and describe the impact in Section VIII below. If additional space is needed for listing or description, please attach a separate sheet. 1. Provide a written description of the proposed impacts: Surface water impacts from Dam breach and temporarybridge placement. Wetland impacts from permanent bridge construction. Temporarypacts from dewatering. 2. Individually list wetland impacts. Types of impacts include, but are not limited to mechanized clearing, ~~rading, fill, excavation, flooding, ditching/drainage, etc. For dams, separately list impacts 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) 1 B Fill Forested yes 0 0.22 IB Erosion Control Forested yes 0 0.07 Figure ] (Aerial) permanent drainage Forested yes 0 18.57 Total Wetland Impact (acres) 3. List the total acreage (estimated) of all existing wetlands on the property:18.86 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, multi 1 length X width, then divide b 43,560. Stream Impact Number indicate on ma Stream Name Type of Impact Perennial or Intermittent`? Average Stream Width Before Im act Impact Length (linear feet Area of Impact (acres Site lA Gum Swamp Cr. Fill Pereenial Millpond N/A 0.33 Page 4 of 9 Total Stream Impact (by length and acreage) 0.33 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, dred in , floodin , draina e, bulkheads, etc. Open Water Impact Site Number (indicate on ma) Name of Waterbody (]f applicable) Type of Impact Type of Waterbody (lake, pond, estuary, sound, bay, ocean, etc.) Area of Impact (acres) Figure 1 (Aerial) Lytch's pond permanent drainage pond 32.22 Total Open Water Impact (acres) 32.22 6. List the cumulative impact to all Waters of the U.S. resulting from the project: Stream Impact (acres): 0.33 Wetland Im act (acres): 18.86 O en Water Impact (acres): 32.22 Total Im act to Waters of the U.S. (acres) 51.41 Total Stream Impact (linear feet): N/A 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 USAGE. 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.): Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond, local stormwater requirement, etc.): Current land use in the vicinity of the pond: Size of watershed draining to pond: Expected pond surface area: VII. Impact Justification (Avoidance and Minimization) Specifically describe measures taken to avoid the proposed impacts. It maybe 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 Page 5 of 9 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.During construction road closure is planned and traffic will be diverted to an off-site detour. Project construction is on existing alignment. Pernament bridge is to be located at the site of the original stream channel boundary. VIII. Mitigation DWQ - In accordance with 15A NCAC 2H .0500, mitigation may be required by the NC Division of Water Quality for projects involving greater than or equal to one acre of impacts to freshwater wetlands or greater than or equal to 150 linear feet of total impacts to perennial streams. USAGE - In accordance with the Final Notice of Issuance and Modification of Nationwide Permits, published in the Federal Register on January 15, 2002, mitigation will be required when necessary to ensure that adverse effects to the aquatic environment are minimal. Factors including size and type of proposed impact and function and relative value of the impacted aquatic resource will be considered in determining acceptability of appropriate and practicable mitigation as proposed. Examples of mitigation that may be appropriate and practicable include, but are not limited to: reducing the size of the project; establishing and maintaining wetland and/or upland vegetated buffers to protect open waters such as streams; and replacing losses of aquatic resource functions and values by creating, restoring, enhancing, or preserving similar functions and values, preferable in the same watershed. If mitigation is required for this project, a copy of the mitigation plan must be attached in order for USAGE 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. ushlcwetlands/strm~;ide.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. Please see attached sheet Page 6 of 9 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.cnr.statc.nc.us/wrp/index.htm. If use of the NCEEP is proposed, please check the appropriate box on page five and provide the following information: Amount of stream mitigation requested (linear feet): N/A Amount of buffer mitigation requested (square feet): N/A Amount of Riparian wetland mitigation requested (acres): N/A Amount of Non-riparian wetland mitigation requested (acres): N/A Amount of Coastal wetland mitigation requested (acres): N/A IX. Environmental Documentation (required by DWQ) 1. Does the project involve an expenditure of public (federal/state/local) funds or the use of public (federal/state) land? Yes ® No ^ 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 aNEPA/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 ^ X. Proposed Impacts on Riparian and Watershed Buffers (required by DWQ) It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to required state and local buffers associated with the project. The applicant must also provide justification for these impacts in Section VII above. All proposed impacts must be listed herein, and must be clearly identifiable on the accompanying site plan. All buffers must be shown on a map, whether or not impacts are proposed to the buffers. Correspondence from the DWQ Regional Office may be included as appropriate. Photographs may also be included at the applicant's discretion. 1. Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233 (Neuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 02B .0243 (Catawba) 15A NCAC 2B .0250 (Randleman Rules and Water Supply Buffer Requirements), or other (please identify )? Yes ^ No Page 7 of 9 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 i~,,...,.o F o.~ Multiplier ~,~.,,^ ~,~_ 3 (2 for Catawba) 1.5 Total * Zone (extends out 30 feet perpendicular from the top of the near bank of channel; Zone 2 extends an additional 20 feet from the edge of Zone 1. 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 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.N/A 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. N/A XIII. Violations (required by DWQ) Is this site in violation of DWQ Wetland Rules (15A NCAC 2H .0500) or any Buffer Rules? Yes ^ No Is this an after-the-fact permit application? Yes ^ No XIV. Cumulative Impacts (required by DWQ) Will this project (based on past and reasonably anticipated future impacts) result in additional development, which could impact nearby downstream water quality? Yes ^ No Page 8 of 9 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.statc.nc.us/ncwetlands. If no, please provide a short narrative description: Protect construction consists of construction on existing alignment. X-way road will remain a 2 lane facility, no widening is proposed. No construction on new location is proposed 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). Road is now closed to traffic due to safety issues Completion of Phase I construction will allow the road to reopen to traffic. Anticipated let date for phase one is November 21 2006 Notification by Permit modification application will be submitted for the September 2008 letting of the permanent bride over the breach and removal of Bridges Nos 62 and 61 \ ? ~-~ ( ~_. _ -- ---- _~ .~..,. Z~-log Applicant/Agent's Signature D to (Agent's signature is valid only if an authorization letter from the applicant is provided.) Page 9 of 9 Gum Swamp Wetland Restoration Plan At the X-Way Dam of Lytchs Pond On SR 1108 (X-Way Road) Scotland County Reference TIP B-3373 Federal-Aid Project BRSTP-1108(4) WBS No. 33021.1.1 October 11, 2006 The North Carolina Department of Transportation (NCDOT) will perform on-site mitigation for wetland impacts at the SR 1108 bridge replacement. This mitigation occurs adjacent to Transportation Improvement Program (TIP) B-3373. Due to safety concerns with the spillway of Bridge No. 62 and the associated closing of X-Way Road the project will consist of a two-phase process. The first phase will begin in November 2006 with the breach of the X-Way Dam and controlled drainage of Lytchs Pond. This will facilitate repairs to Bridge No.62 and construction of a temporary structure over the breach area in order to re-open X-Way Rd. The second phase is the bridge replacement TIP B-3373, which is currently scheduled for letting in September 2008. The present total mitigation site is approximately 54.52 acres. The adjacent wetlands that will be impacted by the drainage of Lytchs Pond total approximately 18.57 acres. NCDOT proposes to restore approximately 32.22 acres of wetland as on-site mitigation for TIP B-3373. This calculation has been produced using 1998 infra-red aerial photography; 2003 aerial photography; 2-foot, 5-foot, and 10-foot LIDAR contours; a sediment thickness study by Schnabel Engineering that extended approximately 400' from the roadway; and limited field truthing. Existing Conditions The project is located in a rural area of Scotland County approximately 4.0 miles southwest of Laurinburg and just north of the South Carolina State Line on SR 1108 as it crosses the X-Way Dam in Gum Swamp. The Categorical Exclusion (CE) for TIP B-3373, dated January 1998, provides further details concerning existing natural resources and roadway conditions. X-Way Dam is an old, earthen dam of Lytchs Pond, which is an approximately 54.52 acre impondment of Gum Swamp Creek, on the west side of the roadway. The existing site contains 35.95 acres of open water and 18.57 acres of adjacent wetland. A Cypress- Gum Swamp community occurs throughout this area. Vegetation within the swamp includes pond cypress, black gum, red maple, sweet gum, and loblolly pine. The inundated soils of the mitigation site are designated in the CE by the Scotland County Soils Survey as Swamp, which is listed as a hydric soil. Bridge No. 62 spans the spillway of the pond, which allows for downstream flow east of the bridge. The concrete spillway under Bridge No. 62 has been undermined by water flow traveling beneath the structure. These circumstances created safety concerns with the structural integrity of the bridge and have resulted in the closing of SR 1108 through Gum Swamp. Proposed Conditions Design The proposed wetland mitigation site will be approximately 54.52 acres consisting of 18.57 acres of upland (impacted wetland), 3.73 acres of open water, and 32.22 acres of wetland restoration. Restoration will involve a planned breaching of the X-Way Dam and controlled drainage of Lytchs Pond to design elevations. A permanent conservation easement will be placed on the mitigation site with the stipulation that any state, federal, or land conservation entity may build a dam upstream of the X-Way project to restore Lytchs Pond. The conservation easement will work to protect the site in perpetuity, regardless of dam replacement. The Breach Plan for the X-way Dam provides further details concerning the controlled drainage of Lytchs Pond. The Natural Environment Unit will provide construction oversight to ensure the wetland mitigation area is constructed properly. Vegetation Planting The natural seed bank that resides in the substrate beneath Lytchs Pond, once exposed to aerobic conditions, should provide a substantial source of native species. Planting of native species will be performed within the restoration area by the NCDOT at the density rate of 680 seedlings per acre, which equates to a planting space of about 8 feet on center. Monitoring Upon the successful completion of the controlled drainage, the following monitoring strategy is proposed for the mitigation site. NCDOT will document monitoring activities on the site in an annual report distributed to the regulatory agencies for a minimum period of five years or until the site is considered successful. Hydrologic Monitoring Ground water gauges will be installed along transects of the pond and adjacent wetland. Gauges will be placed in both areas of existing wetland and proposed wetland, and monitoring will begin post-pond drainage. Vegetation Success Criteria NCDOT shall monitor the restoration site by visual observation and photo points for survival and aerial coverage of vegetation. Monitoring will be initiated upon the completion of planting. JAN-06-1996 06 05 P.02i03 Q~~ a ~'~ L? IJ 1r1 L~l Jul NCDENR SEP 0 7 2006 ~~ North Carolina Department of Environment and Natural Resources Division of Land Resources 011lI~iS~iON~~ ~ s James D. Simons, PG, PE Director and State Geologist September 1, 2006 RECEIVED OCT y ~ 20Uo Michael F. Easley, Governor William G. Ross Jr., Secretary Certificate of Approval ~~, , Mr. Max Price, PE . ,NCDOT Hydraulics Unit 1590 Mail Service Center Raleigh, North Carolina 27699-1590 Mr. Wade S. Dunbaz, TIT 816 West Covington Street Laurinhurg, North Carolina 28352 RE: Approval to Breach X Way Millpond Dam State I.D. SCOTL-017 Dcar Sirs: C,,:,..,~ "~:qYS PDEA•OF~i~:~ , _ ~~VVIF This is in response to your submission reccived on August 8, 2006 ofplans, specifications and design data to breach the subject dam in compliance with the Dam Safety Law of 1967. These documents were prepazed under the supervision of Mr. Donald L. Basinger, PE, with Schnabel Engineering. This letter constitutes approval of your proposal to breach the subject dam according to the plans and spccifications received by this Division on August 8, 2006 with the following stipulations: 1. Project construction shall be supervised by a qualified professional engineer. 2. During construction, the Division of Land Resources may require such progress reports as are deemed ncccssazy. 3. Upon completion of the project, a qualified professional engineer shall inspect the completed work and upon finding (a) that the work has been done as specified and (b) that the breach has been sufficiently stabilized to restrain accelerated erosion, and (c) the remains of the dam are safe, shall file with the Division of Land Resources two sets of record drawings and a certificate stating that the work has been completed in accordance with the approved plans and other requirements. Geological Survey • Land Quality • Geodetic Survey Division of Land Resources • 1612 Mefl Service Cenler, Raleigh, North Carolina .27899.1812 512 North Salisbury Slreet, Raleigh, North Carolina 27604 919-733.38331 FAJ(: 919-715.88011 Inlemet• wuuw.dlr.enr. slate.nc.usldlr.htm An Equal Opportunity 1 Arfirmetlve Actlon Employer - SD96 Recyeled 11 D°~ Post Consumer Paper J~?N-a6-1996 06 05 X Way Millpond Dam September 1, 2006 Page Z of 2 P.03i03 4. You must notify Mr. Doug Jones, PE, Regional Engineer, Land Quality Section, 225 Green Street, Fayetteville, North Carolina 28301, telephone number (910) 433-3300 ten days before the start of construction. The Army Carps of Engineers and the Water Quality Section of this Department should be contacted to determine if additional permits are required. Also, the erosion and sediment control program having jurisdiction should be contacted to determine permit requirements. In any case, sediment must be prevented from entering the waters of the state or flowing onto neighboring property. Construction must begin within three years of the date of this approval or the approval„ isyoid.. For assistance, you may contact Mr. Doug Jones, PE, Regional Engineer at (910) 433-3300 or a member of the Central Office dam safety staff at (919) 733-4574. ~~' 7amcs D. Simons, PG, PE Director and State Geologist MRF/ cc: Mr. Donald L. Basinger, PE, Schnabcl Engineering Ms. Belinda Henson, Surface Water Protection Regional Supervisor Mr. Doug Jones, PE, Land Quality Regional Engineer Mr. Richard K. Spencer, US Army Corps of Engineers -TOTAL P.03 Springfi I,zsMil t 112a Iltl .]9j 1~3 ,~ /ham 1 I D ~ 3: "? II ,©e ~ I ~ a. \, _ ~~ ~1 'SITE _\ .~ ~~ ~~ r --~~ 7a 1_ ~~ IIOS ti ~=,g tl la ~ I?-0 / ~, 300 ,J -7~ - ~ ~ .~ ~ / lin - LAUR! aU~llo7 e~+a A~ //I~ ror.msn aol 74 1116 / ~ 1 ~ / 1118 1 ~ I1]I~ 1172 1107 1115 / II !_r ,, 109' ~10~, 1 I '1 `~ ~ ~~ ~~~~~~~~ ~~~t~ d r/ 5a2 R~ ~ ~ „a7 a MI ~, ,BOA L ti 117, l~~ 15M B,~ `AI ' ~ ~ 117A {- y ' ~ , 1 7F al~ I \/ 1175 \~~ i 1175 ir.7 ~ ~ ~I ~~/// IniJ a__ Ills 1117 - (~ \ , 51 401 (\ /` 1105 127 1615 ~5J7 ~ ~ \ t/ ~ ® JL DIVISION OF HIGHWAYS SCOTLAND COUNTY PROJECT: 8.2590401 (B-3373) BRIDGE NO.G2 OVER GUM SWAMP CREEK SPILLWAY ON SR 1108 SHEET ~ OF ~ ~ 10®158 2006 NORTH CAROLINA ~~®~~~~ ~L NUMBER NAM 2 Wade S. Dunbar III ®V'U' ~~~L~~ ADDRESS 816 West Covington Street Lauringburg, NC 28352 3 Aubrey L. McCormick P. 0. Box 1165 Lauringburg. NC 28352 _ Gloria H. Coughenour 603 West Blvd Lauringburg, NC 28352 Randall M. Gibson Sr 10981 X-Way Rd Lauringburg, NC 28352 N. C. DEPT.OF TRANSPORTATION DIVISION OF HIGHWAYS SCOTLAND COUNTY PROJECT:8.2590~01 (8-3373) BRIDGE N0.62 OVER GUM SWAMP CREEK SPILLWAY SR 1108 SHEET ~ OF // a 10 9 16 9 2006 O m D Z ~ - P O O ~--~ N ~ N N 0o m v, co w w A (T ~ + 4 + + D D p O Cf rn ~ N rn N ~ ~ O ~ I"' Z7 ~ N V 4 W + N + N (T } ~ W m N N O .~ -+ U~ O N O ~ ~ ~ ~ ~ C D n m D ~ .~ to 2 m ~ N O C (D D T ~ ~ O O O J T 61n ~ _ ° m C D O N ~` V N . .- a 7 y m ~ -i ~ ~3 z ~~ G~ ~ = ~ ~ o ~ " a = m -~ 3 m z ~ x ~ ~ .~ d ~ ~ D ~vd v n n ~ y D -{ O n y ~ 0 o 0 0 o ~ m~ ~ O 0 N Ui V~ o d ~ y n oN O V ~ D T N T z d ~ n C „'~ ~ N O „'~ N T N ~ m o o ~ o - -1 r rn n > 7 T D G o ~ "a~ n J w w m ~ z~~~ z n t" ~mc)~ °° n ~np A mP Z° y--r '~ o - ~ ° ~" o p n O ^'mc z ~ cam ~ -, ONZ p"'i T ~ T~ ~ ~ ~ ~ O ~/! 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Hamilton, Executive Director MEMORANDUM TO: Tracy Walter Bridge Project Planning Engineer, NCDOT FROM: Travis Wilson, Highway Project Coordinator ~_~ i=/ ~- Habitat Conservation Program DATE: October 9, 2006 SUBJECT: Response to the start of study notification from the N. C. Department of Transportation (NCDOT) regarding fish and wildlife concerns for the proposed replacement of bridge No. 61 and bridge No. 62 and breach of the existing earthen dam along SR 1108 at Lytch's pond ,Scotland County, North Carolina. TIP No. B-3373 This memorandum responds to a request from Tracy Walter of the NCDOT for our concerns regarding impacts on fish and wildlife resources resulting from the subject project. Biologists on the staff of the N. C. Wildlife Resources Commission (NCWRC) have reviewed the proposed improvements. Our comments are provided in accordance with certain 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; 16 U.S.C. 661- 667d). The proposal includes the breach of Lytch's Pond dam, including the removal of the existing spillway and the construction of a new outlet. The new pond outlet will be formed by breaching the earthen causeway located between the two existing bridges. The proposal states sheet pile will be utilized to isolate the excavation of the causeway breach, once completed the sheet pile will be lowered in stages. NCDOT should provide a comprehensive dewatering plan. This plan should include the excavation of a stream channel, if one does not exist, from the future causeway breach to the existing channel, any method of channel and bank stabilization that will be utilized. A detailed methodology for lowering the water level including: timeframes, estimated discharge rates, and to what level the sheet piles will be lowered. A pre-project and post-project wetland and stream delineation should also be conducted to determine the effects of lowering the surface water level as well as relocating the downstream channel. For the second phase of the project NCDOT is proposing to fill the existing structures and replace the temporary spanning structure with a permanent spanning Memo 2 October 9, 2006 structure. NCDOT should provide the dimensions of the future breach in relation to the stream channel and floodplain dimensions. The dimensions of the breach should be adequate to pass flood flows without increasing downstream scour or upstream aggregation. Furthermore, to help facilitate document preparation and the review process, our general informational needs are outlined below: 1. Description of fishery and wildlife resources within the project area, including a listing of federally or state designated threatened, endangered, or special concern species. Potential borrow areas to be used for project construction should be included in the inventories. A listing of designated plant species can be developed through consultation with: The Natural Heritage Program N. C. Division of Parks and Recreation 1615 Mail Service Center Raleigh, N. C. 27699-1615 (919)733-7795 W WW.ncsparks.net/nhp and, NCDA Plant Conservation Program P. O. Box 27647 Raleigh, N. C. 27611 (919) 733-3610 2. Description of any streams or wetlands affected by the project. The need for channelizing or relocating portions of streams crossed and the extent of such activities. 3. Cover type maps showing wetland acreages impacted by the project. Wetland acreages should include all project-related areas that may undergo hydrologic change as a result of ditching, other drainage, or filling for project construction. Wetland identification maybe accomplished through coordination with the U. S. Army Corps of Engineers (COE). If the COE is not consulted, the person delineating wetlands should be identified and criteria listed. 4. Cover type maps showing acreages of upland wildlife habitat impacted by the proposed project. Potential borrow sites should be included. 5. The extent to which the project will result in loss, degradation, or fragmentation of wildlife habitat (wetlands or uplands). 6. Mitigation for avoiding, minimizing or compensating for direct and indirect degradation in habitat quality as well as quantitative losses. 7. A cumulative impact assessment section which analyzes the environmental effects of highway construction and quantifies the contribution of this individual project to environmental degradation. 8. A discussion of the probable impacts on natural resources which will result from secondary development facilitated by the improved road access. Memo Page 3 October 10, 2006 9. If construction of this facility is to be coordinated with other state, municipal, or private development projects, a description of these projects should be included in the environmental document, and all project sponsors should be identified. Thank you for the opportunity to provide input in the early planning stages for this project. If we can further assist your office, please contact me at (919) 528-9886. Cc: Richard Spencer, USAGE Chris Militscher, EPA Gary Jordan, USFWS Polly Lespinasse, DWQ U.S. ARMY CORPS OF ENGINEERS WILMINGTON DISTRICT Action ID: 2006-40679-83 TIP No: B-3373 State Project No: 8.2590401 County: Scotland GENERAL PERMIT (REGIONAL AND NATIONWIDE) VERIFICATION Applicant: North Carolina Department of Transportation Address: Gregory J. Thorpe, Ph.D. Environmental Management Director Project Development and Environmental Analysis 1548 Mail Service Center Raleigh, North Carolina 27699-1548 Telephone Number: (910) 733-3141 Size and Location of project (waterway, road name/number, town, etc.): Bridge No. 61 and 62 on SR 1108 (X- Way Road) at Gun Swamp Creek in Scotland County, North Carolina. Description of Activity: (Phase I) Install sheeting on both the upstream and downstream sides of the dam breach construction site. Construct a permanent breach of the SR 1108 roadway/dam at the location of the original stream channel impacting 0.33 acre of waters of the United States. Construct a temporary 100-foot long bridge over the breach and control draw down Lytch's Pond water surface elevation to a final water surface elevation of 164 feet mean sea level. Perform necessary repairs to bridge #62 to allow the reopening of SR 1108. (Phase II) Existing Bridges #61 and #62 will be removed in their entirety and the opening filled to road grade with suitable road fill material. The temporary bridge at the breach will be removed and replaced with an 84-foot long single span box beam bridge. The causeway (approach) will be widened to current roadway standards impacting 0.22 acre of waters of the United States. Traffic will be detoured onto existing roadways during all phases of construction. All temporary fill is to be placed on filter fabric and removed from the waterway in its entirety upon completion of the construction. Applicable Law: X Section 404 (Clean Water Act, 33 U.S.C. 1344) Section 10 (River and Harbor Act of 1899) Authorization: Nationwide Permit Number 31 Regional General Permit Number Your work is authorized by this Regional General (RGP) or Nationwide (NWP) Permit provided it is accomplished in strict accordance with the attached conditions and your submitted plans. If your activity is subject to Section 404 (if Section 404 block above is checked), before beginning work you must also receive a Section 401 water quality certification from the N.C. Division of Environmental Management, telephone (919) 733-1786 Please read and carefully comply with the attached conditions of the RGP or NWP. Any violation of the conditions of the RGP or NWP referenced above may subject the permittee to a stop work order, a restoration order, and/or appropriate legal action. This Department of the Army RGP or NWP verification does not relieve the permittee of the responsibility to obtain any other required Federal, State, or local approvals/permits. The permittee may need to contact appropriate State and local agencies before beginning work. This verification will remain valid unti131 August 2008 unless the regional general permit authorization is modified, reissued or revoked. If, prior to 31 Aur~ust 2008 the regional general permit authorization is reissued and/or modified, this verification will remain valid unti131 August 2008, provided it complies with all modifications. If the regional general permit authorization expires or is suspended, revoked, or is modified, such that the activity would no longer comply with the terms and conditions of the nationwide permit, activities which have commenced (i.e., are under construction) or are under contract to commence in reliance upon the regional general permit, will remain authorized provided the activity is completed within twelve months of the date of the regional general permit's expiration, modification or revocation, unless discretionary authority has been exercised on a case-by-case basis to modify, suspend or revoke the authorization If there are any questions regarding this authorization or any of the conditions of the RGP or NWP, please contact the Corps Regulatory Official specified below. Date 15 November 2006 /S/ Corps Regulatory Official Richard K. Spencer Telephone No. (910) 251-4172 CF: Art King, DEO, NCDOT Timothy Johnson, P.E., Division Engineer, NCDOT John Hennessy, NCDWQ Ken Averrett, NCDWQ Susan Thebert, PDEA Action ID: 2006-40679-83 'TIP No: B-3373 State Project No: 8.2590401 County: Scotland GENERAL PERMIT SPECIAL CONDITIONS Failure to institute and carry out the details of the following special conditions below will result in a directive to cease all ongoing and permitted work within waters of the United States, including wetlands, associated with the permitted project, or such other remedies and/or fines as the U.S. Army Corps of Engineers District Commander or his authorized representatives may seek. 2. All work authorized by this permit must be preformed in strict compliance with the attached plans, which are a part of this permit. Final plans for Phase two shall be submitted to the U.S. Army Corps of Engineers for review and approva160 days prior to the awarding of any construction contract or the start of work, which every would occur first. Written verification shall be provided by the applicant to the U.S. Army Corps of Engineers that the final construction drawings for each phase comply with the attached or phase two submitted permit drawings prior to any active construction in waters of the United States, including wetlands. The permittee shall ensure that the construction design plans for this project do not deviate from the permit plans associated with this authorization. Any deviation in the construction design plans shall be brought to the attention of the U.S. Army Corps of Engineers, Mr. Richard Spencer, Wilmington Regulatory Field Office prior to any active construction in waters or wetlands and any modification to the permit plans must be approved by the U.S. Army Corps of Engineers prior to implementation. 3. A set of as-built or record drawings of each phase of the project and certificate stating that the work has been completed in accordance with the permit drawings shall be filed with the U.S. Army Corps of Engineers, Wilmington Regulatory Field office no later than 90 calendar days following completion of each phase of construction. 4. The permittee shall schedule a preconstruction meeting between its representatives, the contractor's representatives, and the U.S. Army Corps of Engineers, Mr. Richard Spencer, Wilmington Regulatory Field Office, prior to any work within jurisdictional waters and wetlands for each phase to ensure that there is a mutual understanding of all of the terms and conditions contained within this Department of the Army authorization. The permittee shall notify the U.S. Army Corps of Engineers Project Manager a minimum of thirty (30) days in advance of the scheduled meetings in order to provide the project manager with ample opportunity to schedule and participate in the required meetings. One copy of the final half-size construction drawings shall be furnished to the U.S. Army Corps of Engineers, Mr. Richard Spencer, Wilmington Regulatory Field Office prior to the pre-construction meeting. 5. The permittee shall require its contractors and/or agents to comply with the terms and conditions of this permit in the construction and maintenance of this project, and shall provide each of its contractors and/or agents associated with the construction or maintenance of this project with a copy of this permit and any authorized modifications. Copies of this permit and any modifications authorized by the U.S. Army Corps of Engineers shall be available for review at the construction site at all times. All violations, including non-compliance of these conditions, of the authorized permit shall be reported to the U.S. Army Corps of Engineers, District Commander within 24 hours of the violation. 6. Except as authorized by this permit or any U.S. Army Corps of Engineers approved modification to this permit, no excavation, fill, or mechanized land-clearing activities shall take place at any time in the construction or maintenance of this project, within waters or wetlands, or shall any activities take place that cause the degradation of waters or wetlands. In addition, except as specified in the plans attached to this permit, no excavation, fill or mechanized land-clearing activities shall take place at any time in the construction or maintenance of this project, in such a manner as to impair normal flows and circulation patterns within, into, or out of waters or wetlands. 7. To ensure that all borrow and waste activities occur on high ground and do not result in loss or the degradation of adjacent wetlands and streams, except as authorized by this permit, the permittee shall require its contractors and/or agents to identify all areas to be used to borrow material, or to dispose of dredged, fill, or waste material. The permittee shall ensure that all such areas comply with the preceding condition (#6) of this permit, and shall require and maintain documentation of the location and characteristics of all borrow and disposal sites associated with this project. This information will include data regarding soils, vegetation and hydrology sufficient to clearly demonstrate compliance with the preceding condition (#6). All information will be available to the U.S. Army Corps of Engineers upon request. 8. This permit does not authorize temporary placement or double handling of excavated or fill material within waters or wetlands outside the permitted area. 9. The permittee shall use appropriate sediment and erosion control practices which equal or exceed those outlined in the most recent version of the "North Carolina Sediment and Erosion Control Planning and Design Manual" to assure compliance with the appropriate turbidity water quality standard. Erosion and sediment control practices must be in full compliance with all specifications governing the proper design, installation and operation and maintenance of such Best Management Practices in order to assure compliance with the appropriate turbidity water quality standards. This shall include, but is not limited to, the immediate installation of silt fencing or similar appropriate devices around all areas subject to soil disturbance or the movement of earthen fill, and the immediate stabilization of all disturbed areas. Additionally, the project must remain in full compliance with all aspects of the Sedimentation Pollution Control Act of 1973 (North Carolina General Statutes Chapter 113A Article 4). Adequate sedimentation and erosion control measures must be implemented prior to any ground disturbing activities to minimize impacts to downstream aquatic resources. These measures must be inspected and maintained regularly, especially following rainfall events. All fill material must be adequately stabilized at the earliest practicable date to prevent sediment from entering into adjacent waters or wetlands. 10. All mechanized equipment will be regularly inspected and maintained to prevent contamination of waters and wetlands from fuels, lubricants, hydraulic fluids, or other toxic materials. No equipment staging or storage of construction material will occur in wetlands. Hydro-seeding equipment or concrete equipment will not be discharged or washed out into any surface waters or wetlands. In the event of a spill of petroleum products or any other hazardous waste, the permittee shall immediately report it to the N.C. Division of Water Quality at (919) 733-5083 or (800) 662-7956 and provisions of the North Carolina Oil Pollution and Hazardous Substances Control Act will be followed. 11. Every effort shall be taken to control and detain all demolition debris before it can enter the waterway or wetlands. No demolition debris shall be intentionally allowed to enter the waterway or wetlands. Any incidental demolition debris shall be removed from the waterway and/or wetlands in its entirety upon completion of that day's demolition. 12. This permit does not authorize the use of explosives in the demolition of any existing structures. 13. Dewatering of the construction site shall be accomplished by pumping to a maintained silt bag or approved silting basin. All connections and hose lines shall be inspected for proper coupling fit and leaks before the commencement of the daily work. Used silt bags shall be changed out in accordance with manufacture's specifications and not allowed to overcharge and release sediment to the surface waters and/or wetlands. Silt bags will not be located within any wetland or surface water. 14. Construction equipment shall work from the existing causeway and not be allowed within any unauthorized areas. 15. All temporary fill material shall be placed on filter fabric and removed in its entirety upon completion of construction. The area shall be restored to preconstruction contours and stabilized at the earliest practicable date to prevent sediment from entering into adjacent waters or wetlands. 16. Bridge bents shall not be located within any jurisdictional area. 17. The pond water level shall be lowered at a rate of no greater than 1-foot a day to a final water surface elevation of 164 feet mean sea level. 18. Measures shall be taken to prevent the sluicing of sediment from the pond during the draw down phase. The applicant shall provide the U.S. Army Corps of Engineers, Mr. Richard Spencer, Wilmington Regulatory Field Office with a final plan indicating measures that will be taken to prevent sediment sluicing prior to the commencement of pond draw down. 19. A sufficient number of hydrologic monitoring wells shall be installed and developed along established transects within the pond area immediately following draw down. Hydrographs will be developed from the collected data to ascertain the extent of hydrologic regime change resulting from the draw down. Vegetation monitoring shall be conducted along the same transects to determine changes in vegetation communities within the pond area. At least two normal rainfall years of monitoring shall be accomplished with a report of the results provided to the U.S. Army Corps of Engineers within 30 days following the completion of the monitoring. A longer monitoring period maybe required if normal rainfall years data can not be acquired. 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T'~ ~ 1 't] i ~ 1 ~ ~ 7 i ~+ i I ===iii I A '~ j', ~ ~ ~ ~ {` - ~ t1~ ~~~ 171_ ~ ~ ~~ ( ~ ~ ~ ,~ ~ ~ 1 ~~~1~. ~ 'r ~ i i '~ ,,~~ ~.~~~ ~~~ i 7 -•~ i ;. #,- ` _ ~.; ~ ~ ,~ .3 f /'~~f ~i~ f r,,r f 1 y_ _ t ~ ~* f 5 ~~ > -~ti-a.., ,. _ ~` ~ ~~ ~ ~i~~~ ~,~ , ~~ ' - ~.• ~. ~, Y v ~ ~ it~~~ `, ~ i~ t DEPARTMENT OF THE ARMY WILMINGTON DISTRICT, CORP5 OF ENGINEERS P.O. BOX 1890 WII,MiNGTON. NORTH CAROLINA 28402-1890 RIiPLY 1'O A't'TFN'I'ION OF Permit Number: SAW-2006-40679-083/RGP3l/Scotland County Permittee: NCDOT/B-3373 Issuance: 15 November 2006 Project Manager: Richard K. Spencer Upon completion of the activity authorized by this permit and any mitigation required by the permit, sign this certification and return it to the following address: Wilmington Regulatory Field Office US Army Corps of Engineers Post Office Box 1890 Wilmington, NC 28402-1890 Please note that your permitted activity is subject to a compliance inspection by a U. S. Army Corps of Engineers representative. If you fail to comply with this permit you are subject to permit suspension, modification, or revocation. I hereby certify that the work authorized by the above referenced permit has been completed in accordance with the terms and condition of the said permit, and required mitigation was completed in accordance with the permit conditions. Signature of Permittee