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HomeMy WebLinkAboutSW7990625_Final Permit_20000215State of North Carolina Department of Environment and Natural Resources a� Division of Water Quality James B. Hunt, Jr., Governor Bill Holman, Secretary Kerr T. Stevens, Director "Ro I OF NCRTN CAROLINA DEPARTMENT OF ENVIRONMENT AND NP7URAL RESOURCES DIVISION OF WATER QUALITY February 15, 2000 Mr. Manfred D. Alligood, 1935 West 5 th Street Washington, NC 27889 Dear: Mr. Alligood: Jr. Subject: Stormwater Permit No. SW7990625 Maple Branch Subdivision Low Density Stormwater Project Beaufort County The Washington Regional Office received the completed Stormwater Application for the subject project on September 22, 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.SW7990625'dated February 15, 2000 to Mr. Manfred D. Alligood, Jr. This permit shall be effective from the date of issuance until rescinded and shall be subject to the conditions and limitations as specified therein.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 150E 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 Mr. Manfred D. Alligood, Jr. February 15, 2000 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, Af= � ?,-J' Mulligan Water Quality Regional Supervisor Washington Regional Office cc: Hood Richardson Beaufort County Inspections v ashington Regional Office Central Files State Stormwater Management Systems Permit No. SW7990625 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY STATE STORMWATER MANAGEMENT PERMIT LOW DENSITY 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. Manfred D. Alligood, Jr. 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 Maple Branch Subdivision located at Washington, 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 34.93 acres. b. Total impervious area for this project site is 9.96 acres. C. Total number of lots is 57. 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 under driveways to provide 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 River Basin must comply with the Neuse 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 shall not exceed the square footages shown 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 M4P/k Rr4neh Sj 6c/.'wSAn - 5 - ! of 2 BLOCK A (ALL UNITS IN SQUARE FEET UNLESS STATED IN ACRES) '" IMPERVIOUS ACRES SQUARE FEET 30% IMPERVIOUS ADJUST RESTRICTION Lot A - 2,500 750 + 1,000 1,750 Lot 01 0.36 15,681 4,704 4,704 Lot 02 0.37 16,117 4,835 4,835 Lot 03 0.37 16,117 4,835 4,835 Lot 04 0.37 16,117 4,835 4,835 Lot 05 0.37 16,117 4,835 4,835 Lot 06 0.37 16,117 4,835 4,835 Lot 07 1.01 45,302 13,590 - 6,000 7,590 Lot 08 0.63 27,442 8,232 - 1,000 7,232 Lot 09 0.61 26,571 7,971 - 1,000 6,971 Lot 10 0.61 26,571 7,971 - 1,000 6,9.71 Lot 11 0.62 27,007 8,102 - 1,000 7,102 Lot 12 0.62 27,007 8,102 - 1,000 7,102 Lot 13. 0.63 27,442 8,232 - 1,000 7,232 Lot 14 0.63 27,442 8,232 - 1,000 7,232 Lot 15 0.36 15,681 4,704 4,704 Lot 16 0.34 14,810 4,443 4,443 Lot 17 0.34 14,810 4,443 4,443 Lot 18 0.34 14,810 4,443 4,443 Lot 19 0.34 14,810 4,443 4,443 Lot 20 0.33 14,374 4,312 4,312 Lot 21 0.33 14,374 4,312 + 200 4,512 Lot 22 0.34 14,810 4.443 4,443 Lot 23 0.34 14,810 4,443 + 200 4,643 Lot 24 0.34 14,810 4,443 + 200 4,643 Lot 25 0.33 14,374 4,312 + 200 4,512 11.30 493,523 148,052 - 11,200 137,602 Revised 9/20/99 Mdtple. Bmnc!► 2 %F 2- 6 - BLOCK B (ALL UNITS IN SQUARE FEET UNLESS STATED IN ACRES) ACRES ns i, SQUARE FEET 30% IMPERVIOUS ADJUST IMPERVIOUS RESTRICTION Lot 01 0.61 26,571 8,025 8,6265 Lot 02 0.60 26,136 7,840 - 1,000 6,840 Lot 03 0.66 28,749 8,624 - 1,000 7,624 Lot 04 0.72 31,363 9,408 - 1,000 8,408 Lot 05 1.20 52,272 15,681 - 7,000 8,681 Lot 06 0.87 37,897 11,369 - 4,000 7,369 Lot 07 0.85 37,026 11,107 - 4,000 7,107. Lot 08 0.60 26,136 7,840 - 1,000 6,840 Lot 09 0.43 18,730 5,619 5,619 Lot 10 0.43 18,730 5,619 5,619 Lot 11 0.80 34,848 10,454 - 3,000 7,454 Lot 12 0.68 29,620 8,886 8,886 Lot 13 1.27 55,321 16,596 - 8,000` 8,596 Lot 14 0.65 28,314 8,494 - 1,000 7,494 Lot 15 0.64 27,878 8,363 - 1,000 7,363 Lot 16 0.73 31,798 9,539 - 1,000 8,539 Lot 17 1.42 61,855 18,556 - 9,000 9,556 Lot 18 0.43 18,730 5,619 5,619 Lot 19 0.39 16,988 5,096 5,096 Lot 20 0.38 16,552 4,965 4,965 ' Lot 21 0.37 16,117 4,835 4,835 Lot 22 0.37 16,117 4,835 4,835 Lot 23 0.36 15,681 4,704 4,704 Lot 24 0.34 14,810 4,443 4,443 Lot 25 0.35 15,246 4;573 4,573 Lot 26 0.35 15,246 4,573 4,573 Lot 27 0.36 15,681 4,704 4,704 Lot 28 0.37 16,117 4,835 4,835 Lot 29 0.36 15,681 4,704 4,704 Lot 30 0.36 15,681 4,704 4,704 Lot 31 0.38 16,552 4,965 4,965 18.33 798,443 239,575 - 42,000 189,550 LOT SUMMARY BLOCKS A & B 30% of Lot Area Block A 148,052 ft2 Block B 239,575 ft2 Total 387,627 ft2 Available Impervious Inside Lots = Actually Used Inside Lots = Surplus Credit Impervious Restrictions 137,602 ft2 189,550 ft2 327,152 ft2 = 7.51 Acres 8.03 Acres 7.51 Acres 0.52 Acres Revised 9/20/99 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. 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. 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. N 4. The issuance of this permit does not prohibit the Director from reopening and modifying the permit, revoking and reissuing the permity. 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 15 th day of February, 2000. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION Kerr T. Stev ns, Director Division of Water Quality By Authority of the Environmental Permit Number SW7990625 7 Management Commission