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HomeMy WebLinkAboutSW7040501_Modification_20200401ROY COOPER Governor MICHAEL S. REGAN Secretary BRIAN WRENN Acting Director NORTH CAROLINA Environmental Quality April 1, 2020 Harvey Point Defense Testing Activity Attn: Mr. Timothy Hish 2835 Harvey Point Road Hertford, NC 27944 Subject: Permit No. SW7040501 Modification Harvey Point Test Facility Area 6 Buildings Low Density Stormwater Project Dear Mr. Hish: Perquimans County The Washington Regional Office received a complete Stormwater Management Permit Modification Application for Harvey Point Test Facility — Area 6 Buildings on March 2, 2020. 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. We are forwarding Permit No. SW7040501 Modification dated April 1, 2020, for the construction of the subject project. This permit replaces all previous stormwater permits for this project, and shall be effective from the date of issuance until rescinded, and shall be subject to the conditions and limitations as specified therein, and does not supercede any other agency permit that may be required. 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, 6714 Mail Service Center, Raleigh, NC 27699-6714. Unless such demands are made this permit shall be final and binding. If you have any questions, or need additional information concerning this matter, please contact this office at (252) 946-6481. Sincerely, 1 Samir Dumpor, PE Regional Engineer cc: WARO ec: felicia.a.kraintz.civ(a)mail mil dadeeleng(a-)gmail.com North Carolina Department of Environmental Quality I Division of Energy, Mineral and Land Resources Washington Regional Office 1 943 Washington Square Mall I Washington, North Carolina 27889 me rau 252.946.6481 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION OF ENERGY, MINERAL, AND LAND RESOURCES STATE STORMWATER MANAGEMENT PERMIT LOW 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 Harvey Point Defense Testing Activity Harvey Point Test Facility — Area 6 Buildings Perquimans County FOR THE construction, operation and maintenance of a low density development in compliance with the provisions of 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 Energy, Mineral, and Land Resources (DEMLR) and considered a part of this permit. This permit replaces all previous state stormwater permits for this project, and shall be effective from the date of issuance until rescinded and shall be subject to the following specific conditions and limitations: I. DESIGN STANDARDS The total project area is 24.2-acres. The current proposed built -upon area for this project is 148,761-sf. Proposed future built -upon area is 167,484-sf. When combined, total build out will result in 7.26 acres of impervious area. 2. The overall tract built -upon area percentage for the project must be maintained at 30%, as required by Section .1005 of the stormwater rules. 3. Approved plans and specifications for projects covered by this permit are incorporated by reference and are enforceable parts of the permit. 4. The only runoff conveyance systems allowed will be vegetated conveyances such as swales with minimum side slopes of 3:1 (H:V) as defined in the stormwater rules and approved by the Division. 5. No piping is allowed except that minimum amount necessary to direct runoff beneath an impervious surface such as a road or to provide access. 6. Unless specified elsewhere, permanent seeding requirements for the swales must follow the guidelines established in the North Carolina Erosion and Sediment Control Planning and Design Manual. 7. Roof drains must terminate at least 50' from the Mean High Water line. II. SCHEDULE OF COMPLIANCE Projects covered by this permit will maintain a minimum 50' foot wide vegetative buffer between all impervious areas and surface waters. 2. The permittee is responsible for verifying that the proposed built -upon area does not exceed the allowable built -upon area. 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. 4. Prior to the subdivision and/or sale of this project, in whole or in part, the following deed restrictions must be recorded with the Office of the Register of Deeds: The following covenants are intended to ensure ongoing compliance with State Stormwater Management Permit Number SW7040501 Modification, as issued by the Division of Energy, Mineral, and Land Resources under NCAC 2H.1000. The State of North Carolina is made a beneficiary of these covenants to the extent necessary to maintain compliance with the Stormwater Management Permit. C. These covenants are to run with the land and be binding on all persons and parties claiming under them. d. The covenants pertaining to stormwater may not be altered or rescinded without the express written consent of the State of North Carolina, Division of Energy, Mineral, and Land Resources. e. Alteration of the drainage as shown on the approved plans may not take place without the concurrence of the Division of Energy, Mineral, and Land Resources. f. Construction of additional built -upon area in excess of 7.26-acres may require a permit modification. Construction of additional impervious areas such that low density requirements are no longer met must be submitted to Division of Energy, Mineral, and Land Resources and a permit modification must be issued prior to construction. An engineered system will be required to collect and treat the runoff from all built -upon area associated with the project, including that area permitted under the low density option. h. Filling in or piping of any vegetative conveyances (ditches, swales, etc.) associated with this development, except for average driveway crossings, is strictly prohibited by any persons. i. A minimum 50 foot wide vegetated buffer area shall be provided between surface waters and all impervious surfaces. 5. A copy of the recorded restrictions must be received in this Office within 30 days of the date of sale. 6. Filling in or piping of any vegetative conveyances (ditches, swales, etc.) associated with the permitted development, except for average driveway crossings, is strictly prohibited by any persons. 7. 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 the approved plans, regardless of size. b. Project name change. C. Transfer of ownership. d. Redesign or addition to the approved amount of built -upon area. e. Further subdivision, acquisition, or sale of the project area. The project area is defined as all property owned by the permittee, for which Sedimentation and Erosion Control Plan approval was sought. f. Filling in, altering or piping any vegetative conveyance shown on the approved plan. 8. Swales and other vegetated conveyances shall be constructed in their entirety, vegetated, and be operational for their intended use prior to the construction of any built -upon surface. 9. During construction, erosion shall be kept to a minimum and any eroded areas of the swales or other vegetated conveyances will be repaired immediately. 10. The permittee shall at all times provide the operation and maintenance necessary to operate the permitted stormwater management systems at optimum efficiency to include: a. Inspections b Sediment removal. C. Mowing, and revegetating of the side slopes. d. Immediate repair of eroded areas. e. Maintenance of side slopes in accordance with approved plans and specifications. 11. Within 30 days of completion of the project, the permittee shall certify in writing that the project has been constructed in accordance with the approved plans. 12. The permittee shall submit all information requested by the Director or his representative within the time frame specified in the written information request. III. GENERAL CONDITIONS Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to an enforcement action by the Division of Energy, Mineral, and Land Resources, in accordance with North Carolina General Statutes 143-215.6A to 143-215.6C. 2. The permit issued shall continue in force and effect until revoked or terminated. 3. 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. 4. 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 Title 15A of the North Carolina Administrative Code, Subchapter 2H.1000; and North Carolina General Statute 143-215.1 et. al. 5. This permit is not transferable except after notice to and approval by the Director. The Director may require modification or revocation and reissuance of the permit to change the name and incorporate such other requirements as may be necessary. A formal permit request must be submitted to the Division of Energy, Mineral, and Land Resources accompanied by the appropriate fee, documentation from both parties involved, and other supporting materials as may be appropriate. The approval of this request will be considered on its merits, and may or may not be approved. The permittee is responsible for compliance with all permit conditions until the Director approves the transfer. 6. The permittee grants permission to DEQ Staff to enter the property for the purpose of inspecting all components of the stormwater management facility. 7. The permittee shall notify the Division of any name, ownership or mailing address changes within 30 days. 8. 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) which have jurisdiction. Permit issued this the 1st day of April 2020. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION ------------------------------ for Brian Wrenn, Acting Director Division of Energy, Mineral, and Land Resources By Authority of the Environmental Management Commission Permit Number SW7040501 Modification