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HomeMy WebLinkAboutSW7001114_Final Permit_20010829W'.) Rn Michael F. Easley Governor r William G. Ross Jr., Secretary 1 Department of Environment and Natural Resources Gregory J. Thorpe, Ph.D., Acting Director Division of Water Quality DIVISION OF WATER QUALITY August 29, 2001 Carolina Coast & Lakes Attn: Mr. Bill Pearson 537 Deep Creek Road Hertford, NC 27944 Subject: Stormwater Permit No. SW7001114 Treasure Pointe Subdivision Bath, NC Low Density Stormwater Project Beaufort County Dear: Mr. Pearson: The Washington Regional Office received the completed Stormwater Application for the subject project on August 15, 2001. Staff retiiev, of the plans and Specifications ]•,'ias determined that the project, as proposed, will comply with the Stormwater Reaulations set forth in Title 15A NCAC 2H.1000. We are forwarding Permit No. SW7001114 dated August 29, 2001 to Carolina Coast € Lakes. This oermit shall be effective from the date of issuance until rescinded and shall be subject to the conditions and limitations as specified therein. 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. 949 Washington Square Mall Washington. NC 27889 252-946-648': (Telephone) 252-946-9215 (Fax-) Carolina Coast & Lakes August 29, 2001 Page Two I£ you have any questions, or need additional information concerning this matter, please contact Bill Moore at (252) 946- 6481, extension 264. Sincerely, S Jim Mulligan Water Quality Regional Supervisor Washington Regional Office cc: McKim & Creed Engineers - Elizabeth City, NC Doug Huagett - DCM, Raleigh Beaufort County Inspections Washington Regional Office Central Files State Stormwater Management Systems Permit No. SW7001114 STATE OF NORTE 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 Carolina Coast & Lakes Beaufort County FOR THE construction, operation and maintenance of stormwater management systems 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 grass swales to serve the Treasure Pointe Subdivision located at Bath, 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. The following criteria are approved as meeting the stormwater rules for this project: a. The total area for this project is 65.3 acres. b. Total impervious area for this project site is 14.7 acres. C. This project consist of 52 single family lots and one common area. d. Allowable built -upon area must be consistent with proposed restrictions submitted in the application by the permittee. 3 2. The overall tract built -upon area percentage or lot sizes for the project must be maintained at levels at least as stringent as the low density levels specified in the stormwater rules. 3. The development must demonstrate that no areas within the project site are of such high density that stormwater runoff threatens water quality_ 4. Approved plans and specifications for projects covered by this permit are incorporated by reference and are enforceable parts of the permit. 5. The only runoff conveyance systems allowed will be vegetated conveyances such as swales with minimum side slopes of 3:1 (H:V) or curb outlet systems as defined in the stormwater rules and approved by the Division. 6. No piping shall be allowed except: a. That minimum amount necessary to direct runoff beneath an impervious surface such as a road b. That minimum amount needed for driveway access to lots. 7. Projects covered by this permit will maintain a minimum 30 foot wide vegetative buffer between all impervious areas and surface waters. In addition, projects in the Neuse and Tar - Pamlico River Basins must comply with the Riparian Buffer Rules. 8. No homeowner/lot owner/developer shall be allowed to fill in, alter, or pipe any vegetative practices (such as swales) shown on the approved plans as part of the stormwater management system without submitting a revision to the permit and receiving approval from the Division. 9. Deed restrictions are incorporated into this permit by reference and must be recorded with the Office of Register of Deeds. A copy of the recorded restrictions must be received by this Office within 30 days of the date of recording. Recorded deed restrictions must include, as a minimum, the following statements related to stormwater management: a. A statement of the allowable built -upon area per lot in the following form: "The allowable built -upon area per lot shall not exceed the square footage listed in the attachment, inclusive of that portion of the right-of-way between the front lot line and the edge of the pavement, structures, pavement, walkways of brick, stone, slate, not including wood decking." 4 TREASURE POINTE SUBDIVISION AUG 15 2001 nowO %Arm `. June 19, 2001 Re v� 5e�k ��13�G t K( VItF /%�I tl'Mtit LOT # AREA (ft2) UPLAND AREA (ftZ) WETLANDS AREA-- (ft2) ALLOWABLE =IMPERVIOUS AREA (ft2) % IMPERVIOUS 1 44,010 * 12,587 28.6 2 44,330 35,365 10,114 28.6 3 38,272 37,532 10,734 28.6 4 40,700 *_ 11,640 28.6 5 41,155 11,770 28.6 6 41,082 11,749 28.6 7 37,375 10,689 28.6 8 50,365 14,404 28.6 9 55,222 54,440 782 15,570 28.6 10 53,764 53,160 604 15,204 28.6 11 50,905 45,545 5,360 13,026 28.5 12 46,653 35,463 11,190 10,142 28.6 13 57,427 55,618 1,809 1 15,907 28.6 14 45,874 45,229 645 12,935 28.6 15 36,038 34,937 1,101 9,992 28.6 16 29,912 29,820 92 8,529 28.6 17 30,361 26,146 4,215 7,478 28.6 18 58,391 28,298 30,093 8,093 28.6 19 31,390 28,959 2,431 8,282 28.6 20 30,688 28,116 2,572 8,041 28.6 21 27,003 26,225 778 7,500 1 28.6 22 31,674 28,077 3,597 8,030 28.6 23 33,502 30,131 3,371 8,617 28.6 24 30,768 27,040 3,728 7,733 28.6 25 32,641 31,808 833 9,097 28.6 26 30,611 29,919 692 8,557 28.6 27 42,859 33,659 9,190 9,629 28.6 28 67,530 25,494 42,036 7,291 28.6 29 80,434 25,494 54,940 7,291 28.6 30 87,566 35,728 51,838 10,218 28.6 Common Area 63,365 42,462 20,903 14,807 34.87117894 31 81,818 45,319 36,499 12,961 28.6 32 61,613 41,607 20,006 11,900 28.6 33 71,837 27,028 44,809 7,730 28.6 31 75,531 38,161 37,370 10,914 28.6 35 80,924 30,735 50,189 8,790 28.6 36 63,179 48,340 14,839 13,825 28.6 37 64,012 52,571 11,441 15,035 28.6 38 54,85D 51,804 3,046 114,816 28.6 39 42,711 24,526 18,185 7,014 28.6 40 47,055 32,508 14,547 9,297 28.6 1 OF Z 2. TREASURE POINTE SUBDIVISION June 19, 2001 Re✓"sed 81/310/ KP.n cia I I T�cr»a i AREA (fte) UPLAND AREA (ftZ) WETLANDS AREA (ftZ) ALLOWABLE IMPERVIOUS AREA (ft) % IMPERVIOUS 38,299 27,938 10,3 11 7,990 28.6 546 50,061 30,726 19,335 _ 8,788 28.6 44,363 29,010 15,353 8,297 28.6 50,850 28,530 22,320 8,160 28.6 50,910 27,380 23,530 7,831 28.6 48,559 28,642 19,917 8,192 28.6 47 48,470 28,831 19,639 8,246 28.6 48 43,953 27,867 16,086 7,970 28.6 49 48,593 28,754 19,839 8,224 28.6 50 51,199 26,661 24,538 7,625 28.6 51 48,968 25,678 23,290 7,344 28.6 52 52,122 34,395 17,727 9,837 28.6 TOTAL 2,611,744 1,611,686 735,666 536,446 28.74267609 TOTAL (acres)l 60.0 37.0 16.9 1 12.3 2g,g ROADWAY R/W = 5,240 length (ft) 50 width (ft) 261,980 area, I x w (ft) Asphalt = 5,240 length (ft) 20 width (ft) 104,800 area, I x w (ft) % Impv. = Asphalt Area/ R/W Area 40.0 % EA es) WETLANDS AREA (acres) %IMPERVIOUS jjj jARjEA 0 16.9 2g,g0 286400 .0 16.9 30.0 No wetlands located on this parcel. 2OF$Z b. Items related to stormwater management must remain in the deed restriction, and this is to be indicated by including the following: "The covenants pertaining to stormwater regulations may not be changed or deleted without concurrence of the State." C. To assure that vegetated conveyances are not piped (in accordance with item 5) deed restrictions must indicate that: "Filling in or piping of any vegetative conveyances (ditches, swales, etc.) associated with the development except for average driveway crossings, is strictly prohibited by any persons." 10. The Engineer/Owner/Developer/Permittee must certify in writing that the project's stormwater controls, and impervious surfaces have been constructed within substantial intent of the approved plans and specifications. 11. The following items will require a modification to the permit: a. Any revision to the b. Project name change C. Change of ownership d. Redesign or addition area e. Further subdivision approved plans, regardless of size to the approved amount of built -upon of the project area. In addition, the Director may determine that other revisions to the project should require a modification to the permit. 12. 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. II. SCHEDULE OF COMPLIANCE 1. The permittee shall comply with the following schedule for construction and maintenance of the Low Density Option stormwater systems: 5 a. 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 except roads. b. During construction, erosion shall be kept to a minimum and any eroded areas of the swales or other vegetated conveyances will be repaired immediately. 2. 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. 3. The permittee shall submit recorded deed restrictions limiting built -upon area per lot in accordance with Part I, item 9, within 30 days of the date of recording. 4. The Permittee shall submit the Engineer/Owner/Designer/ Permittee Certification in accordance with Part I, item 12, within 30 days of completion of the project. 5. 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 1. 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. 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. 0 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. The permittee shall submit to the Director and shall have received approval for revised plans, specifications, and calculations prior to construction, for those revisions under any of the following conditions: a. Any additions, deletions or redesign of the previously permitted amount of built -upon area proposed regardless of the size of the modification. b. Further subdivision of the project area. 6. The permit is not transferable to any person 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. 7. 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 29 th day of August, 2001. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION f 'Gregory J. Tho e, Ph.D., Acting D Division of Water Quality By Authority of the Environmental Permit Number SW7001114 7 Management Commission