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SW8970104_Historical File_19990630
June 30, 1999 0Y4^ h' 0'A n 0ft l Y\ - l �A Mr. Chris Stephens, President Landmark Developers, Inc. PO Box 4127 Wilmington, NC 28406 Subject: Permit No. SW8 970104 Modification Magnolia Greens High Density Subdivision Stormwater Project Brunswick County Dear Mr. Stephens: The Wilmington Regional Office received a complete modification to the Stormwater Management Permit Application for Magnolia Greens on May 6, 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 211.1000. We are forwarding Permit No. SW8 970104 Modification, dated June 30, 1999, for the construction of the project, Magnolia Greens. This permit shall be effective from the date of issuance until March 24, 2009, and shall be subject to the conditions and limitations as specified therein. Please pay special attention to the Operation and Maintenance requirements in this permit. Failure to establish an adequate system for operation and maintenance of the stormwater management system will result in future compliance problems. 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. If you have any questions, or need additional information concerning this matter, please contact Linda Lewis, or me at (910) 395-3900. Sincerely, Rick Shiver Water Quality Regional Supervisor RSS/arl: S:\WQS\STORMWAT\PERMIT\970104.MAR CC.' Greg Hetzler, P.E. Delaney Aycock, Brunswick County Inspections Linda Lewis Wilmington Regional Office Central Files State Stormwater Management Systems Permit No. SW8 970104 Modification STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY STATE STORMWATER MANAGEMENT PERMIT HIGH 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 Landmark Developers, Inc. Magnolia Greens Brunswick County FOR. THE construction, operation and maintenance of 3 detention ponds and a curb outlet system 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. This permit shall be effective from the date of issuance until March 24, 2009 and shall be subject to the following specified conditions and limitations: I. DESIGN STANDARDS This permit is effective only with respect to the nature and volume of stormwater described in the application and other supporting data. 2. This stormwater system has been approved for the management of stormwater runoff as described on page 3 of this permit, the Project Data Sheet. The subdivision is permitted for 943 single family lots. The built -upon area for each lot has been restricted as follows: 484 lots @4,000 ft2 in Sections 1-10, 76 lots @3,500 ftz in Sections 11 and 12; 459 lots in Tract D. Additionally, each of the 598 multi -family area units (Tracts K, L, M, P and Q) are restricted to 1,200 square feet each. Areas of high density development and areas utilizing a collection system are required to provide an engineered system for treatment of stormwater. 3. All future development must apply for and receive a Stormwater Management Permit prior to selling lots and/or beginning construction of impervious surfaces. 4. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. IN State Stormwater Management Systems Permit No. SW8 970104 Modification 5. Runoff is treated in 3 detention ponds. Design data is listed on Page 3 of this permit. DIVISION OF WATER QUALITY PROJECT DATA SHEET Project Name: Permit Number: Location: Applicant: Mailing Address: Application Date: Water Body Receiving Stormwater Runoff: Classification of Water Body: "C Sw" Pond Depth; feet: Permanent Pool Elevation, FMSL: Total Impervious Surfaces, ft2: # Lots/ ft2 per lot, ftz: Lot total, ft2: Roads/Parking, ft2 Sidewalk, ft2 Maintenance Building Offsite Area entering Pond, ft2: Required Surface Area, ft2: Provided Surface Area, ft2: Required Storage Volume, ft3: Provided Storage Volume, ft3: Temporary Storage Elevation, FMSL: Controlling Orifice: Magnolia Greens SW8 970104 Modification Brunswick County Mr. Chris Stephens, President Landmark Developers, Inc. PO Box 4127 Wilmington, NC 28406 May 6, 1999 Jackey's Creek and Sturgeon Creek POND 1 POND 3 POND 5 7 7.5 7.5 18 26 17 1,281,056 189,993 366,850 125/4000, 76/3500 6/4000 48/4000 845,048 18,256 209,299 342,125 84,942 119,920 93,883 incl. in road 28,919 ---- 8,712 none, per Engineer 53,608 5,148 9,864 83,975 6,497 11,137 119,402 17,059 32,269 159,553 21,359 32,334 19.9 28.6 19.4 2 each @3"_ 211_ 2"_ pipe 3 State Stormwater Management Systems Permit No. SW8 970104 Modification 4. No homeowner/lot owner/developer shall fill in, alter, or pipe any drainage feature (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. 5. The uncollected portions of the low density subdivision are served by a Curb Outlet System. The swales are generally located between lots, and must be maintained with a stable, vegetated 5:1 sideslope, be a minimum of 100' long, have a longitudinal slope of 5% or less, and be able to carry the peak flow from a 10 year storm in a non -erosive manner. 6. The permittee is responsible for verifying that the proposed built -upon area does not exceed the allowable built -upon area. Once the lot transfer is complete, the built -upon area may not be revised without approval from the Division of Water Quality, and responsibility for meeting the built -upon area limit is transferred to the individual property owner. 7. 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 or sale of the project area, in part or in whole. f. Filling in, altering, or piping of any vegetative conveyance shown on the approved plan. In addition, the Director may determine that other revisions to the project should require a modification to the permit. 8. 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 stormwater management system shall be constructed in it's entirety, vegetated and operational for its intended use prior to the construction of any built -upon surface except roads. 2. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. 3. The permittee grants permission to DENR Staff to enter the property for the purposes of inspecting the project for compliance with the conditions of this permit. 4. Upon completion of construction, prior to issuance of a Certificate of Occupancy, and prior to operation of this permitted facility, a certification must be received from an appropriate designer for the system installed certifying that the permitted facility has been installed in accordance with this permit, the approved plans and specifications, and other supporting documentation. Any deviations from the approved plans and specifications must be noted on the Certification. 5. Decorative spray fountains will not be allowed in the ponds 0 State Stormwater Management Systems Permit No. SW8 970104 Modification 6. The permittee shall at all times provide the operation and maintenance necessary to assure the permitted stormwater system functions at optimum efficiency. The approved Operation and Maintenance Plan must be followed in its entirety and maintenance must occur at the scheduled intervals including, but not limited to: a. Semiannual scheduled inspections (every 6 months). b. Sediment removal. C. Mowing and revegetation of side slopes. d. Immediate repair of eroded areas. e. Maintenance of side slopes in accordance with approved plans and specifications. f. Debris removal and unclogging of outlet structure, orifice device and catch basins and piping. g. Access to the outlet structure must be available at all times. 7. Records of maintenance activities must be kept and made available upon request to authorized personnel of DWQ. The records will indicate the date, activity, name of person performing the work and what actions were taken. 8. Prior to the sale of any lot, deed restrictions must be recorded which limit the built -upon area per lot to the amount as shown on the Project Data Sheet, per Section I, Part 2. The recorded statements must follow the form: a. "The maximum built -upon area per lot is 4,000 W. In Sections 10 and 11, the built -upon area per lot is limited to 3,500 ftz square feet. This allotted amount includes any built -upon area constructed within the lot property boundaries, and that portion of the right-of-way between the fr6nt lot fine and the edge of the pavement. Built upon area includes, but is not limited to, structures, asphalt, concrete, gravel, brick, stove, slate, and coquina, but does not iKclude raised, open wood decking, or the water surface of swimming pools." b. "The covenants pertaining to stormwater regulations may not be changed or deleted without concurrence of the State." C. "Alteration of the drainage as shown on the approved plan may not take place without the concurrence of the State." d. "No one may pipe, fill in or alter the designated curb outlet swales." e. "All runoff from the impervious surfaces of the clubhouse area, including parking lots, roads, and building, must drain into Pond #3 of the permitted system. This may be accomplished through providing roof drain gutters which drain to the street, grading the lot to drain toward the pond, or grading perimeter swales and directing them into the pond or street." 9. This permit shall become voidable unless the facilities are constructed in accordance with the conditions of this permit, the approved plans and specifications, and other supporting data. 10. Prior to transfer of ownership, the pond must be inspected by DWQ personnel, and determined to be in compliance with all permit conditions. Records of maintenance activities will be required. 11. A copy of the recorded deed restrictions must be submitted to the Division within 30 days of the date of recording the plat. The recorded copy must be signed by the Permittee, dated, stamped with the deed book number and page, and bear the stamp/signature of the Register of Deeds. 5 State Stormwater Management Systems Permit No. SW8 970104 Modification 12. A copy of the approved plans and specifications shall be maintained on file by the Permittee for a minimum of ten years from the date of the completion of construction. III. GENERAL CONDITIONS 1. This permit is not transferable. In the event there is a desire for the facilities to change ownership, or there is a name change of the Permittee, a "Name/Ownership Change Form" must be submitted to the Division of Water Quality accompanied by appropriate documentation from the parties involved, such as a copy of the deed of trust. Other supporting materials, such as a signed Operation and Maintenance plan in the case of engineered systems, will also be required. The project must be in good standing with DWQ. The approval of this request will be considered on its merits and may or may not be approved. 2. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to enforcement action by the Division of Water Quality, in accordance with North Carolina General Statute 143-215.6A to 143-215.6C. 3. 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. 4. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions, the Permittee shall take immediate corrective action, including those as may be required by this Division, such as the construction of additional or replacement stormwater management systems. 5. 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. 6. Permittee grants permission to staff of the DWQ to access the property for the purposes of inspecting the stormwater facilities during normal business hours. Permit issued this the 30th day of June, 1999. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION Kerr T. Stevens, Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number SW8 970104 Modification R State Stormwater Management Systems Permit No. SW8 970104 Modification Magnolia Greens Stormwater Permit No. SW8 970104 Modification Brunswick County Engineer's Certification 1, , as a duly registered Professional Engineer in the State of North Carolina, having been authorized to observe (periodically/weekly/full time) the construction of the project, (Project) for (Project Owner) hereby state that, to the best of my abilities, due care and diligence was used in the observation of the project construction such that the construction was observed to be built within substantial compliance and intent of the approved plans and specifications. Noted deviations from approved plans and specifications: Signature Registration Number Date fall:\4 7 Spate of North Carolina Department of Environment and Natural Resources Wilmington Regional Office James B. Hunt, Jr., Governor Wayne McDevitt, Secretary Division of Water Quality June 30, 1999 Mr. Chris Stephens, President Landmark Developers, Inc. PO Box 4127 Wilmington, NC 28406 - vk::.K A&OV7 - OW 4 j & NCDENR NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES Subject: ACKNOWLEDGEMENT OF RECEIPT AND REQUEST FOR ADDITIONAL INFORMATION Stormwater Project No. SW8 970104 Modification Magnolia Greens Master Plan Brunswick County Dear Mr. Stephens: The Wilmington Regional Office received a modification to the Stormwater Management Permit Application for Magnolia Greens Master Plan for the addition of a 9 hole golf course on May 6, 1999. A preliminary review of that information has determined that the application is not complete. The following information is needed to continue the stormwater review: 1. Please provide a completed, revised overall low density supplement. 2. Please stipulate the BUA per lot on page 4 of the application. The original is returned for your convenience. Please return the revised original to me. Please note that this request for additional information is in response to a preliminary review. The requested information should be received by this Office prior to July 30, 1999, or the application will be returned as incomplete. The return of a project will necessitate resubmittal of all required items, including the application fee. The Division is allowed 90 days from the receipt of a completed application to issue the permit. - The construction of any impervious surfaces associated with this project prior to receipt of the stormwater permit is considered a violation of NCGS 143-215.1, and is subject to enforcement action. If you have any questions concerning this matter please feel free to call me at (910) 395-3900. Sincerely, Ms. Linda Lewis cl Environmental Engineer RSS/ari: S:\WQS\STORNFVVAT\ADDINFO\970104.JUN cc: Linda Lewis Davis Fennell 127 Cardinal Dr. Ext., Wilmington, North Carolina 28405 Telephone 910-395-3900 FAX 910-350-2004 An Equal Opportunity Affirmative Action Employer 50% recycled/10% post -consumer paper ATTACHMENT A 1. Deed Restriction Requirements The following statements must be recorded for all low density projects and for all projects that involve the subdivision and selling of lots or outparcels: 1. No more than square feet of any lot, including that portion of the 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 but not including wood decking or the surface of swimming pools. This covenant is intended to insure continued 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. 2. No one may fill in, pipe, or alter any roadside swale except as necessary to provide a minimum driveway crossing. NOTE: If lot sizes vary significantly, the owner/developer must provide an attachment listing each lot number, size, and the allowable built upon area for each lot. For commercial projects that have outparcels or future development the following statements must also be recorded: 3. The connection from the outparcel or future area into the stormwater system must be made into the forebay such that short -circulating of the system does not occur. 4. All built -upon area from the outparcel or future development must be directed into the permitted stormwater control system. 5. Built -upon area in excess of the permitted amount will require a permit modification prior to construction. For curb outlet systems, the following statement in addition to items 1 and 2 above must be recorded: 6. No one may pipe, fill on or alter any designated 100 foot long grassed swale used to meet the requirements ofNCAC 2H.1008(g). 2. Supplement Forms The applicable supplement form(s) listed below must be submitted for each BMP specified for this project:: Form SWU 102 Wet Detention Basin Supplement Form SWU-103 Infiltration Basin Supplement Form SWU-104 Low Density Supplement Form SWU-105 Curb Outlet System Supplement Form SW-106 Off -Site System Supplement Form SWU-107 Underground Infiltration Trench Supplemmat Form SWU-108 Neuse River basin Nutrient Management Strategy Supplement 3. Permit Application Fees (check made payable to NCDENR and submitted to the apprgpriate Regional Office) Type of Permit Low Density High Density Other Director's Certification General Permit New, Modification, or Late Renewal $225 $385 $225 $350 $50 Form: SWU-101 April 1998 Page 4 of 4 Timely Renewal Without Modification n/a $225 n/a n/a n/a 4QV CAPE FEAR Engineering, Inc. 5040 New Centre Dr., Suite D Wilmington, NC 26403 TEL: (910) 790-0W4 FAX: (910) 790-OW3 cfeabellsouth.net May G, 1999 Linda Lewis STORM �TER e NCDENR E C E V Water Quality D f D 127 Cardinal Drive Ext. MAY 1999 Wilmington, NC 28403 DEM Re: Magnolia Greens 5W8 8701 G4 c?-7yto4-PROJ # Dear Ms. Lewis: Attached please find for your review and approval all necessary items to modify the above referenced project. Specifically, please find the following: • Permit application with original signature and one copy • Stormwater Design Narrative • Two copies of the Stormwater Master Plari. The intent of this modification is to construct an additional nine golf holes within the Magnolia Greens Subdivision. To arcomphsh thus, Cherrywood Lane has been eliminated. Please note the following revisions to the Stormwater Master Plan (all revisions have been encircled by a "Rev-Ctaud"): • The addition of 9 golf holes. • The elimination of Cherrywood Lane. • A revised BUA tracking table (bottom of the plan). All other elements of the Stormwater Master Plan- remain- as permitted. The areas affected by this revision have been clouded on the plan. I trust this information to be sufficient for your review. If you have any questions or require additional information regarding this matter, please contact this office. Sincerely, ��- = J- v K. Davis Fennell, EI Cc: Landmark Development (2) w LO a � a °� cn v' a CL V ? N � pt i N ai UO rany,Y� 0 O : a G 'b c °o U o 0 oo 1 C`? oto tw w oc cm o Z + as .... N N "d N j. 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