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HomeMy WebLinkAboutSW7990611_Final Permit_19990813State of North Carolina Department of Environment and Natural Resources Division of Water Quality Washington Regional Office James B. Hunt, Jr., Governor Wayne McDevitt, Secretary Kerr T. Stevens, Director DIVISION OF WATER QUALITY August 13, 1999 Mr. Donald G. Lawrence Cherry Branch Ltd. 803-A East Main Street Havelock, NC 28532 Subject: Permit No. SW7990611 McDonald Downs Low Density Stormwater Project Craven County Dear Mr. Lawrence: The Washington Regional Office received the completed Stormwater Application for the subject project on August 12, 1999. 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. SW7990611 dated August 13, 1999 to Cherry Branch Ltd. This permit shall be effective from the date of issuance 6til rescinded and shall be subject to the conditions and limitations as specified therein.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, North Carolina 27889 Telephone 252-946-6481 FAX 252-946-9215 An Equal Opportunity Affirmative Action Employer Page 2 Mr. Donald G. Lawrence August 13, 1999 If you have any questions or need additional information concerning this matter, please contact Mr. Robert Tankard at (252) 946-6481, extension 233. Sincerely, T '75z— Jim Mulligan Regional Water Quality Supervisor cc: Thomas Engineering, P.O. box 1309, New Bern, NC 28563 raven County Inspections Cashington Regional Office Central Files 943 Washington Square Mall, Washington, North Carolina 27889 Telephone 252-946-6481 FAX 252-946-9215 An Equal Opportunity Affirmative Action Employer State Stormwater Management Systems Permit No. SW7990611 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 Cherry Branch Ltd. Craven 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 proposed McDonald Downs subdivision site located on US Hwy. 70. 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 75.29 acres. b. Total impervious area proposed for this project site is 19 acres. C. Total number of lots are 143. d. Allowable built -upon area must be consistent with proposed plans and 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. 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 under driveways to provide access to lots. Projects covered by this permit will maintain a minimum 30 foot wide vegetative buffer between all impervious areas and surface waters. 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. Each of the lots in the subdivision will be limited to the amount of built -upon area indicated in the approved plans and consistent with item 1 above. 10. The permittee is responsible for verifying that the proposed home plans do not exceed the allowable built -upon area. Once the lot transfer is complete, the home plan may not be revised without 'approval from the permittee, and responsibility for meeting the built -upon area limit is transferred to the individual homeowner. 11. 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 stonmwater management: a. A statement of the allowable built -upon area per lot in the following form: "The allowable built -upon area per lot sball not exceed (Please see attachment A for lot size and allowable built upon area) square feet, 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." 0 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." 12. 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. 13. 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. Transfer 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. 14. 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 The permittee shall comply with the following schedule for construction and maintenance of the Low Density Option stormwater systems: 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/Pernuttee Certification iri 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 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 if title 15A of the North Carolina Administrative Code, Subchapter 211.1000; 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 13 th day of August, 1999. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION 4 Kerr T. Stevens, Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number SW7990611 7 ATTACHMENT A MacDonald Downs Allowable Built Upon Area 4 Lot # Lot Area (sfl JAUmable imo rvioucover ( fl ' % imoervious cover 1 15430 4200 ' = 27% 2 12770 3600 28% 3 12500 3600 29% 4 12500 3600 29% 5 j 12000 3600 30% 6 12500 3600 29% 7 14808 4200 28% 8 17842 4200 24% 9 25432 4200 17% 10 21595 4200 19% 11 19738 4200 21% 12 21849 4200 19% 13 21341 4200 20% 14 j 20256 4200 21% 15 18916 4200 22% 16 j 17301 4200 24% 17 15423 4200 27% 18 ( 15392 4200 27% 19 j 17115 4200 25% 207 16265 4200 26% 21 18702 4200 22% 22 15950 j 4200 a 26% 23 15335 4200 27% 24 j 15915 4200 26% 25 17592 4200 24% 26 j 18445 1 4200 23% 27 j 25245 4200 17% 28 14902 ( 4200 28% 29 1 12764 3600 28% 30 I 14982 4200 28% 31 15694 4200 27% 32 15210 4200 24% 33 j 18727 4200 22% 34 38225 4200 11% 35 27990 4200 15% 36 23755 4200 18% " 37 j 20155 4200 21% 38 12000 3600 30% 39 12840 3600 28% 40 j 16264 4200 26% 41 12670 3600 28% 42 ( 27146 420D 15% 43 39973 4200 11% 44 ! 21227 j 4200 20% 45 1 21510 4200 20% 46 1 19943 4200 21% 47 1 13185 3600 27% 48 I 13339 3600 27% Page 1 of 3 ATTACHMENT A MacDonald Downs Allowable Built Upon Area Lot Area (sfl Allowable impervious cover (sf); %imp ndQ l cover 49 j 15707 4200 • = 275/6 50 ( 15120 4200 28% 51 ! 13191 3600 27% 52 13178 3600 27% 53 ! 14668 4200 29% 54.i 17904 4200 23% 55 226D4 4200 19% 56 19011 4200 22% 57 23555 4200 18% 5B 28367 4200 15% 59 30B92 j 4200 14% 60 39176 4200 11% 61 25885 4200 16% 62 22805 4200 18% 63 12073 3600 30% 64 12000 3600 30% 65 12350 36DD 29% 66 12350 3600 _ 2961, 67 12105 3600 30% 6B 15747 4200 27% 69 26052 4200 16% 70 21027 4200 20% 71 12970 3600 28% 72 13116 3600 27% 73 12837 3600 28% 74 13053 3600 28% _ 75 12475 36DD 29% 76 12000 3600 30% 77 12185 3600 30% 78 12000 3600 30% 79 12000 3600 30% 80 ! 12000 3600 3 % 81 12000 3600 30% 82 12000 3600 30% 83 12855 3600 26% 84 12000 3600 30% 85 12000 3600 30% 86 12000 3600 30% 87 12000 3600 30% 88 12000 3600 30% 89 12000 3600 30% 90 12112 3600 30% 91 12112 3600 30% 92 12112 3600 30% 93 12112 3600 30% 94 12237 3600 29% 95 12000 3600 30% 96 12597 3600 299/. Page 2 of 3 ATTACHMENT A MacDonald Downs Allowable Built Upon Area Lot# I Lot Area (sf) ;Allowable imo rvio cover (8f)! % impervious cover 97 1 14566 4200 - 29% 98 15B65 4200 26% 99 13339 3600 27% 100 18000 j 420D 23% 101 17591 4200 24% 102 17234 j 4200 24% 103 16641 4200 25% 104 j 16233 4200 26% 105 13106 3600 27% 106 12114 3600 30% 107 12158 1 3600 30% 108 _ 12000 3600 30% 109 j 1200D 3600 30% 110 1200D 3600 30% 111 12000 3600 30% 112 12000 3600 30% 113 j 12492 3600 29% 114 j 13500 3600 27% 115 13500 3600 27% 116 12050 3600 30% 117 12464 :, 3600 29% 118 13023 3600 28% 119 14900 4200 28% 120 j 15075 4200 28% 121 14375 i 4200 29% 122 13480 3600 27% 123 12870 3600 2B% 124 j 12685 3600 28% 125 j 13350 3600 27% 126 13500 3600 27% 127 23207 4200 18% 128 19990 4200 2 % 129 14940 4200 28% 130 13500 3600 27% 131 13500 3600 27% 132 j 146B4 1 4200 29% 133 j 14673 4200 29% 134 j 14500 4200 29% 135 14220 1 3600 25% 136 j. 13585 360D 26% 137 12198 3500 30% 138 12059 3600 30% 139 I 12018 360D 30% 140 12000 3600 30% 141 12000 3600 30% 142 12793 3600 28% 143 14080 3600 26% Page 3 of 3