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HomeMy WebLinkAboutSW6110105_Cover Letter & Permit_20110307f� DETAR North Carolina Department of Environment and Natural Resources Beverly Eaves Perdue Division of Water Quality Coleen H. Sullins Governor Director March 7, 2011 Mr. Craig Lantz Water Management Branch Chief Fort Bragg Directorate of Public Works 2175 Reilly Road Stop A Fort Bragg, North Carolina 28310-5000 Subject: Stormwater Permit No. S W6110105 Fort Bragg SOF Operations Addition Cumberland County Dear Mr. Lantz: Dee Freeman Secretary DENR-FRO APR 0 5 2011 DWQ The Stormwater Permitting Unit received a complete Stormwater Management Permit Application for the Fort Bragg SOF Operations Addition on January 27, 2011. Staff review of the plans and specifications has determined that the project, as proposed; will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H.1000 and Session Law 2006-246. We are forwarding Permit No. SW61 10105, dated March 7, 2011, for the construction, operation and maintenance of the subject project and the stormwater BMPs. This permit shall be effective from the date of issuance until March 6, 2021, and shall be subject to the conditions and limitations as specified therein. Please pay special attention to the Operation and Maintenance requirements in this permit. Failure to establish an adequate system for inspection and maintenance of the stormwater management system will result in future compliance problems. If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to request an adjudicatory hearing upon written request within thirty (30) days following receipt of this permit. This request must be in the form of a written petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Drawer 27447, Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding. This project will be kept on file at the Fayetteville Regional Office. If you have any questions, or need additional information concerning this matter, please contact Mike Randall at (919) 807-6374; or mike.randall@ncdenr.gov. Sincerely, for Coleen H. Sullins cc: Fayetteville Regional Office SPU Files Wetlands and Stormwater Branch 1617 Mail Service Center, Raleigh, North Carolina 27699.1617 One Location: 512 N. Salisbury St. Raleigh, North Carolina 27604 NorthCarolina Phone: 919-807-63001 FAX: 919-807-64941 Customer Service: 1-877-623-6748 .� 1/ Internet: www,ncwaterquality.or9 NaturQ[L ' An Equal Opportunity 1 Affirmative Action Employer State Stormwater Permit Permit No. SW6110105 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY STATE STORMWATER MANAGEMENT PERMIT HIGH DENSITY DEVELOPMENT In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and other applicable Laws, Rules, and Regulations PERMISSION IS HEREBY GRANTED TO Fort Bragg Fort Bragg SOF Operations Addition Fort Bragg SOF Operations on Lamont Road, Cumberland County FOR THE construction, operation and maintenance of two an underground infiltration trench(es) in compliance with the provisions of Session Law 2006-246 and 15A NCAC 2H .1000 (hereafter referred to as the "stormwater rules') and the approved stormwater management plans and specifications and other supporting data as attached and on file with and approved by the Division of Water Quality and considered a part of this permit. This permit shall be effective from the date of issuance until March 6, 2021, and shall be subject to the following specified conditions and limitations: I. DESIGN STANDARDS This permit is effective only with respect to the nature and volume of stormwater described in the application and other supporting data. 2. This stormwater system has been approved for the management of stormwater runoff as described in the application, the approved plans, and other supporting data. 3. The tract Will belimited to the amount of built -upon area indicated in the application, the approved plans, and other supporting data. 4. All stormwater collection and treatment systems must be located in either dedicated common areas. The runoff from all built -upon area within the permitted drainage area of this project must be directed into the permitted stormwater control system. 6. The built -upon areas associated with this project shall be located at least 30 feet landward of all perennial and intermittent streams. Page 1 of 4 State Stormwater Permit Permit No. SW611010� 7. The design criteria in the infiltration trench must be maintained at design condition indicated in the application, the approved plans, and other supporting data. II. SCHEDULE OF COMPLIANCE During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. The permittee shall at all times provide the operation and maintenance necessary to assure the permitted stormwater system functions at optimum efficiency. The approved Operation and Maintenance Plan must be followed in its entirety and maintenance must occur at the scheduled intervals including, but not limited to: a. Semiannual scheduled inspections (every 6 months). b. Sediment removal. C. Mowiny and revegetation of slopes and the vegetated filter. d. Immediate repair of eroded areas. e. Maintenance of all slopes in accordance with approved plans and specifications. f. Debris removal and unclogging of bypass structure, filter media, flow spreader, catch basins, piping and vegetated filter. g. A clear access path to the bypass structure must be available at all times. 3. Records of maintenance activities must be kept for each permitted BMP. The records must indicate the date, activity, name of person performing the work and what actions were taken. 4. The permittee shall maintain an annual summary report of the maintenance and inspection records for each BMP. The report shall summarize the inspection dates, results of the inspections, and the maintenance work performed at each inspection. 5. The facilities shall be constructed as shown on the approved plans. This permit shall become voidable unless the facilities are constructed in accordance with the conditions of this permit, the approved plans and specifications, and other supporting data. 6. Upon completion of construction, prior to issuance of a Certificate of Occupancy, and prior to operation of this permitted facility, a certification must be received by the DWQ Regional Office from an appropriate designer for the system installed certifying that the permitted facility has been installed in accordance with this permit, the approved plans and specifications, and other supporting documentation. Any deviations from the approved plans and specifications must be noted on the Certification. A modification may be required for those deviations. 7. If the stormwater system was used as an Erosion Control device, it must be restored to design condition prior to operation as a stormwater treatment device, and prior to occupancy of the facility. 8. Access to the stormwater facilities shall be maintained via appropriate easements at all times. Page 2 of 4 State Stormwater Permit Permit No. SW6110105 9. The permittee shall submit to the Director and shall have received approval for revised plans, specifications, and calculations prior to construction, for any modification to the approved plans, including, but not limited to, those listed below: a. Any revision to any item shown on the approved plans, including the stormwater management measures, built -upon area, details, etc. b. Project name change. C. Transfer of ownership. d. Redesign or addition to the approved amount of built -upon area or to the drainage area. e. Filling in, altering, or piping of any vegetative conveyance shown on the approved plan. 10. A copy of the application, approved plans and specifications, and supporting data shall be maintained on file by the Permittee for a minimum of ten years from the date of the completion of construction. 11. The Director may notify the permittee when the permitted site does not meet one or more of the minimum requirements of the permit. Within the time frame specified in the notice, the permittee shall submit a written time schedule to the Director for modifying the site to meet minimum requirements. The permittee shall provide copies of revised plans and certification in writing to. the Director that the changes have been made. III. GENERAL CONDITIONS This permit is not transferable to any person or entity except after notice to and approval by the Director. In the event of a change of ownership, or a name change, the permittee must submit a completed Name/Ownership Change form to the Division of Water Quality, signed by both Parties, and accompanied by the supporting documentation as listed on page 2 of the form. The approval of this request will be considered on its merits and may or may not be approved. 2. The permittee is responsible for compliance with all permit conditions until such time as the Division approves the transfer request. 3. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to enforcement action by the Division of Water Quality, in accordance with North Carolina General Statute 143-215.6A to 143-215.6C. 4. The issuance of this permit does not preclude the Permittee from complying with any and all statutes, rules, regulations, or ordinances, which may be imposed by other government agencies (local, state, and federal) having jurisdiction. 5. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions, the Permittee shall take immediate corrective action, including those as may be required by this Division, such as the construction of additional or replacement stormwater management systems. 6. The permittee grants DENR Staff permission to enter the property during normal business hours for the purpose of inspecting all components of the permitted stormwater management facility. 7. The permit issued shall continue in force and effect until revoked or terminated. The permit may be modified, revoked and reissued or terminated for cause. The filing of a request for a permit modification, revocation and reissuance or termination does not stay any permit condition. Page 3 of 4 State Stormwater Permit Permit No. SW6110105 8. Unless specified elsewhere, permanent seeding requirements for the stormwater control must follow the guidelines established in the North Carolina Erosion and Sediment Control Planning and Design Manual. 9. Approved plans, supplement forms, and specifications for this project are incorporated by reference and are enforceable parts of the permit. 10. The issuance of this permit does not prohibit the Director from reopening and modifying the permit, revoking and reissuing the permit, or terminating the permit as allowed by the laws, rules and regulations contained in Session Law 2006- 246, Title 15A NCAC 2H.1000, and NCGS 143-215.1 et.al. 11. The permittee shall notify the Division in writing of any name, ownership or mailing address changes at least 30 days. 12. The permittee shall submit a renewal request with all required forms and documentation at least 180 days prior to the expiration date of this permit. Permit issued this the 7th day of March, 2011. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION Division of Water Quality By Authority of the Environmental Management Commission Page 4 of 4 State Stormwater Permit Fort Bragg SOF Operations Addition Permit No. SW6110105 Cumberland Countv Designer's Certification I, , as a duly registered in the State of North Carolina, having been authorized to observe (periodically/ weekly/ full time) the construction of the project, Fort Bragg SOF Operations Addition for (Project Owner) hereby state that, to the best of my abilities, due care and diligence was used in the observation of the project construction such that the construction was observed to be built within substantial compliance and intent of the approved plans and specifications. The checklist of items on page 2 of this form is included in the Certification. Noted deviations from approved plans and -specification: Signature Registration Number Date SEAL Page 1 of 2 State Stormwater Permit Fort Bragg SOF Opperations Addition Permit No. SW6110105 Cumberland County Certification Requirements: 1. The drainage area to the system contains approximately the permitted acreage. 2. The drainage area to the system contains no more than the permitted amount of built -upon area. 3. All the built -upon area associated with the project is graded such that the runoff drains to the system. 4. All roof drains are located such that the runoff is directed into the system. 5. The bypass structure elevations are per the approved plan. 6. The bypass structure is located per the approved plans. 7. A Trash Rack is provided on the outlet/bypass structure. 8. All slopes are grassed with permanent vegetation. 9. Vegetated slopes are no steeper than 3:1. 10. The inlets are located per the approved plans and do not cause short- circuiting of the system. 11. The permitted amounts of surface area and/or volume have been provided. 12. All required design depths are provided. 13. All required parts of the system are provided. 14. The required system dimensions are provided per the approved plans. cc: NCDENR-DWQ Regional Office Page 2 of 2