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HomeMy WebLinkAboutSW7080613_Final Permit_20080926wQR O Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Coleen H. Sullins, Director Division of Water Quality September 26, 2008 The Links at Plantation Harbor, LLC Attn: Dr. Frank Marmarose 200 Antebellum Dr Havelock, NC 28532 Subject: Stormwater Permit No. SW7080613 Plantation Harbor, Phase 3, Sections A,B,C,D Low Density Stormwater Project Craven County Dear Dr. Marmarose: The Washington Regional Office received a completed Stormwater Management Permit Application for the subject project on July 17, 2008. 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. SW7080613 dated September 26, 2008, for the construction of the subject project. This permit shall be effective from the date of issuance until rescinded and shall be subject to the conditions and limitations as specified therein, and does not supercede any other agency permit that may be required.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 150E 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 either Bill Moore, or me at (252) 946-6481. ncer ly, Al Hodge Regional Supervisor Surface Water Protection Section cc: Thomas Engineering Co�ven County Planning/Inspections i,-Washington Regional Office Central Files North Carolina Division of Water Quality Internet: h2o.enr.state.nc.us 943 Washington Square Mail Phone: 252-946-6481 Washington, NC 27889 FAX 252-946-9215 An Equal Opportunity/Affirmative Action Employer— 50% Recycled/10% Post Consumer Paper One NorthCarolina Naturally STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY 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 The Links at Plantation Harbor, LLC Dr. Frank A. Marmarose Craven 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 Water Quality and considered a part of this permit for Plantation Harbor, Phase 3, located off SR1700 near Havelock, NC. The Permit shall be effective from the date of issuance until rescinded and shall be subject to the following specific conditions and limitations: I. DESIGN STANDARDS 1. Each of the (91) residential subdivision lots shall be limited to a maximum built -upon area as shown in the attached BUA Table. 2. The overall tract built -upon area percentage for the project must be maintained at, or below 25%, 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 30 feet from the Mean High Water line. II. SCHEDULE OF COMPLIANCE 2 M Projects covered by this permit will maintain a minimum 30 foot wide vegetative buffer between all impervious areas and surface waters. 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. 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: a. The following covenants are intended to ensure ongoing compliance with State Stormwater Management Permit Number SW7080613, as issued by the Division of Water Quality under NCAC 2H.1000. b. 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 Water Quality. e. Alteration of the drainage as shown on the approved plans may not take place without the concurrence of the Division of Water Quality. The maximum built -upon area per lot is shown in the attached BUA Table. This allotted amount includes any built -upon area constructed within the lot property boundaries, and that portion of the right-of-way between the front lot line and the edge of the pavement. Built -upon area includes, but is not limited to, structures, asphalt, concrete, gravel, brick, stone, slate, but does not include raised, open wood decking, or the water surface of swimming pools. g. Construction of additional impervious areas such that low density requirements are no longer met must be submitted to DWQ 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. A minimum 30 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. Projects within CAMA's Area of Environmental Concern (AEC) are subject to a reduction of the permitted amount of built -upon area due to CAMA jurisdiction within the AEC. B. 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. B. 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. 10. During construction, erosion shall be kept to a minimum and any eroded areas of the swales or other vegetated conveyances will be repaired immediately. 11. 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. 12. 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. 13. 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 Water Quality, 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. 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 Water Quality 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 DENR 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. This project proposes the use of a wet detention basin to comply with local requirements. The proposed wet detention basin will be reviewed and permitted through the local government. 9. 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 26 th day of September, 2008. NORTH QAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION d� ---- --- -- ---------------------------------------------- for Coleen H. Sullins, Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number SW7080613 Plantation Harbor Craven County, NC Supporting Calculations C. Per Lot Impervious Cover Restrictions Deed Restrictions Requirements The following items must be included for all low -density projects: ;'� Ir rr Fi CUJu June 18, 2008 1998-041 No more than refer to table below of any lot, including right-of-way between the edge of pavement and the front lot line, shall be covered by impervious structures, including asphalt, gravel, concrete, brick, stone, slate or similar material, not including wood decking or the water surface of a swimming pool. This covenant is intended to ensure compliance with the stormwater permit issued by the State of North Carolina. The covenant may not be changed or deleted without the consent of the state. Lot # Lot Area (ac) Lot Area (ft) Allowable Built Upon Area (ft) Allowable Built Upon Area (%) 338 0.97 42253 9300 22.0% 339 0.56 24467 5400 22.1 % 340 0.53 23105 5100 22.1 % 341 0.55 24107 5400 22.4% 342 0.75 32865 7300 22.2% 343 1.20 52474 11600 22.1 % 344 0.72 31459 7000 22.3% 345 0.69 30054 6700 22.3% 346 0.66 28933 6400 22.1 % Q 347 0.66 28880 6400 22.2% Z 348 0.73 31906 7100 22.3% 349 1.22 53177 11700 22,0% w 350 1.05 45912 10200 22.2% U) 351 0.85 37235 8200 22.0% 352 0.47 20366 4500 22.1 % 353 0.53 23121 5100 22.1 % 354 0.58 25426 5a00 22.0% 355 0.59 25689 5700 22.2% 356 0.84 36778 8100 22.0% 357 0.78 33975 7500 22.1 % 358 0.81 35116 7800 22.2% 359 0.65 28337 6300 22.2% Totals 16.43 715635 158400 22.1% M 320 0.48 21017 4700 22.4% z 321 0.58 25261 5600 22.2% 322 0.52 22659 5000 22.1 W 323 0.49 21332 4700 22.0% to 324 0.51 22166 4900 22 1 % Plantation Harbor Craven County, NC Supporting Calculations June 18, 2008 1998-041 325 0.57 24652 5500 22.3% 326 0.56 24269 5400 22.3% 327 1.53 66641 14700 22.1 % 328 2.25 98123 21600 22.0% 329 3.16 137614 29500 22.0% 330 0.69 29887 6600 22.1 % 331 0.56 24293 5400 22.2% 332 0.62 27217 6000 22.0% 333 0.68 29539 6500 22.0% 334 0.65 28336 6300 22.2% 335 0.51 22407 5000 22.3% 336 0.70 30639 6800 22.2% 337 1.02 44404 9800 22.1 % Totals 16.08 700456 154000 22.1% 360 0.48 21078 4700 22.3% 361 0.47 20282 4500 22.2% 362 0.48 20952 4700 22.4% 363 0.46 19831 4400 22.2% 364 0.47 20269 4500 22.2% 365 0.46 19834 4400 22.2% 366 0.47 20357 4500 22.1 % 367 0.51 22123 4900 22.1 % 368 0.47 20483 4600 22.5% 369 0.44 19366 4300 22.2% U 370 0.45 19422 4300 22.1 % O 371 0.59 25799 5700 22.1 % V 372 0.96 41604 9200 22.1 % N 373 0.81 35281 7800 22.1 % 374 0.51 22432 5000 22.3% 375 0.47 20530 4600 22.4% 376 0.71 31127 6900 22.2% 377 0.67 29127 6500 22.3% 427 1.08 46918 10400 22.2% 428 0.72 31537 7000 22.2% 429 0.50 21987 4900 22.3% 430 0.53 23288 5200 22.3% 431 0.48 20768 4600 22.1 % Totals 12.71 574395 123000 22.2% 0 200 1.57 68185 16400 24.1 % O 201 0.76 33264 8000 24.1 % U 202 0.41 17685 4300 24.3% � 203 0.82 35848 8700 24.3% Plantation Harbor Craven County, NC Supporting Calculations June 18, 2008 1998-041 204 0.65 28279 6800 24.0% 205 0.61 26363 6400 24.3% 206 0.60 26306 6400 24.3% 207 0.58 25266 6100 24.1 % 208 0.68 29649 7200 24.3% 209 0.90 39255 9500 24.2% 210 1.00 43771 10600 24.2% 211 0.76 33103 8000 24.2% 212 0.60 26227 6300 24.0% 213 0.89 38891 9400 24.2% 214 1.15 50101 12100 24.2% 215 0.92 40084 9700 24.2% 216 0.83 36090 8700 24.1 % 217 0.85 36934 8900 24.1 % 218 0.82 35526 8600 24.2% 219 0.63 27593 6700 24.3% 220 0.59 25854 6300 24.4% 221 0.72 31473 7600 24.1 % 222 0.90 39402 9500 24.1 % 223 0.49 21532 5200 24.2% 224 0.64 27980 6800 24.3% 225 0.52 22795 5500 24.1 % 226 0.71 30845 7500 24.3% 227 0.61 1 26469 6400 24.2% Totals 16.42 1 741609 173000 24.2%