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HomeMy WebLinkAboutSW7030424_Final Permit_20030715M Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department. of Environment and Natural Resources Alan W. Klimek, P.E., Director Division of Water Quality DIVISION OF WATER QUALITY July 15, 2003 Mr. Wallace Harvey P.O. Box 1791 Nags Head, NC 27959 Subject: Stormwater Permit No. SW7030424 Croatan Wood Subdivision Low Density Stormwater Project Dare County Dear: Mr. Harvey: The Washington Regional Office received your completed Stormwater Application for the subject project on July 15, 2003. 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. SW7030424 dated July 15, 2003 to Mr. Wallace Harvey. This permit shall be effective from the date of issuance until rescinded and shall be subject to the conditions and limitations as specified therein.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. 943 Washington Square Mall Washington, N.C. 27889 Telephone (252) 946-6481 FAX (252) 946-9215 Mr. Wallace Harvey July 15, 2003 Page Two If you have any questions, or need additional information concerning this matter, please contact Bill Moore at (252) 946- 6481, extension 264. Sincerely, /C ,.-�. 4 im ulligan Water Quality Regional Supervisor Washington Regional Office cc: Environmental Professionals Dare Planning/Inspections Washington Regional Office Central Files State Stormwater Management Systems Permit No SW7030424 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 Mr. Wallace Harvey Dare 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 and vegetated buffers to serve Croatan Wood Subdivision located off US Hwy 64 near Manteo, 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 1. The following criteria are approved as meeting the stormwater rules for this project: a. The total area for this project is 45.8 acres. b. Total impervious area proposed is 8.79 acres. C. Total number of single family residential lots is 43. 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. S. 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 shall not exceed the square footage 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 Environmental Professionals, Inc. "CROATAN WOOD" by Kendall Turnage Dare County, NC APR 3 0 2003 April 25, 2003 LOT # AREA (ftz) UPLAND AREA (ftz) WETLANDS AREA (ft2) ERVIUUS AREA (ft) % IMPERVIOUS 1 26,811 26,811 0 8,043 30.0 2 20,814 20,814 0 6,244 30.0 3 20,814 20,814 0 6,244 30.0 4 20,814 20,814 0 6,244 30.0 5 20,814 20,814 0 6,244 30.0 6 20,814 20,814 0 6,244 30.0 7 1 20,814 20,814 0 6,244 30.0 8 20,814 20,814 0 6,244 30.0 9 21,069 21,069 0 6,321 30.0 10 20,256 20,256 0 6,077 30.0 11 31,786 31,786 0 9,536 30.0 12 27,429 26,217 1,212 7,865 30.0 13 21,983 20,322 1,661 6,097 30.0 14 20,358 20,358 0 5,107 30.0 15 30,361 28,617 1,744 8,585 30.0 16 54,520 47,545 6,975 14,264 30.0 17 22,272 22,272 0 6,682 30.0 18 20,715 20,715 0 6,215 30.0 19 21,009 21,009 0 6,303 30.0 20 40,007 30,828 9,179 9,248 30.0 21 38,296 27,129 11,167 8,139 30.0 22 60,648 52,092 8,556 15,628 30.0 23 20,551 20,551 0 6,165 30.0 24 20,095 20,095 0 6,029 30.0 25 20,396 20,396 0 6,119 30.0 26 25,649 25,649 0 7,695 30.0 27 22,172 22,172 0 6,652 30.0 28 22,185 22,185 0 6,656 30.0 29 21,138 21,138 0 6,341 30.0 30 21,143 21,143 0 6,343 30.0 31 20,335 20,335 0 6,101 30.0 32 20,288 20,288 0 6,086 30.0 33 20,067 20,067 0 6,020 30.0 34 20,445 20,445 0 6,134 30.0 35 20,000 20,000 0 6,000 30.0 36 20,000 20,000 0 6,000 30.0 37 51,790 42,705 9,085 12,812 30.0 38 27,933 27,933 0 8,380 30.0 39 28,179 26,241 0 7,872 30.0 40 24,968 24,968 0 7,490 30.0 41 24,898 24,327 571 7,298 30.0 Environmental Professionals, Inc. "CROATAN WOOD" by Kendall Turnage Dare County, NC April 25, 2003 42 24,898 24,182 716 7,255 30.0 43 27,399 26,597 802 7,979 30.0 Common Area 127,630 11,231 116,399 3,369 30.0 Common Area 7,575 7,575 0 2,273 30.0 Parcel 612,625 35,106 577,519 10,532 30.0 TOTAL 1 1,855,577 1 1,108,053 1 745,588 1 332,416 TOTAL (acres)l 42.60 1 25.44 1 17.12 1 7.63 1 30.0% ROADWAY RAN = 2,520 length (ft) 50 width (ft) 129,049.3 area, I x w (fe) **Added 3,049.3 sq feet to compensate for diameter of cul de sacs Asphalt = 2,520 length (ft) 20 width (ft) 50,400 area, I x w (ft2) % Impv. = Asphalt Area/ R/W Area 39.1 % TOTALS AREA (acres) IMPERVIOUS AREA (acres) WETLANDS AREA (acres) % IMPERVIOUS Lot Totals 42.60 7.63 17.12 29.9 Roadway 3.17 1.16 36.5 TOTAL 45.77 8.79 17.12 19.2 * No wetlands located on this parcel. 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 approved plans, regardless of size b. Project name change C. Change of ownership d. Redesign or addition to the approved amount of built -upon area e. Further subdivision 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 d. Immediate repair of eroded e. Maintenance of side slopes plans and specifications. the side slopes areas in accordance with approved 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 10, 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. 2 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. 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 15 th day of July, 2003. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION Alan"W. Klimek, P.E., Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number SW7030424