Loading...
HomeMy WebLinkAboutSW8060150_CURRENT PERMIT_20060927 (2)STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO.. SW SfBIQO/5,0 DOC TYPE CURRENT PERMIT APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE YYYYMMDD O& WA7FRIG f` � Y September 27, 2006 Mr. Vik Sikka PO Box 7365 Wilmington, NC 28406 Subject: -Stormwater Permit No. SW8 060150 Summerwoods Subdivision High Density Subdivision Project Brunswick County Dear Mr. Sikka: Michael P. Easley, Governul William G, Ross Jr., SCClelalr4 North Carolina DepartmCnt c}f Lnvi[on mcnt and Natural RCSOUrCCS Alan W. Klimek. P.H. Director Division of'v4'ater Quality The Wilmington Regional Office received a complete Stormwater Management Permit Application for Summerwoods Subdivision on September 22, 2006. 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. SW8 060150, dated September 27, 2006, for the construction 'of the subject project. This permit shall be effective from the date of issuance until September 26, 2016, 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 sixty (60) 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) 796-7215, Sincerely, toc Edward Beck Regional Supervisor Surface Water Protection Section ENBlarl: S:1WQSISTORMWATERIPERMIT1060150.sep06 cc: Shane Lippard, P.E., Right Angle Engineering Delaney Aycock, Brunswick County Inspections Jeff Phillips, Brunswick County Engineering Linda Lewis- �'Wilmington .Regional Office_.- Central Files ' NorthCurcrlinu �11ahrrn�l� Nurlh Carulin:r DiVisiun of waicr Quality 127 Cardinal Drive 13xteivion Wilmington, NC 28405 Phone (9)0) 796-7215 Custoancr service 1l Iminglun Regional Ofll" Internet: www.ngwatercluahty,or,, Fox (910) 350-2004 1-877-623-6748 An Equal OpportunitylAffirmative Action Emp[oyer— 50% Recycled110% Post Consumer Paper State Stormwater Management Systems Permit No. SW8 060150 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 Vik Sikka Summerwoods Subdivision Galloway Load, Bolivia, Brunswick County FOR THE construction, operation and maintenance of two (2) wet detention ponds 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 September 27, 2016 and shall be subject to the following specified conditions and limitations,- 1. 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. The permitted wet detention ponds labeled as Pond 1 and Pond 3 have been approved for the management of stormwater runoff as described in Section 1.6 on page 3 of this permit. Ponds 1 and 3 are permitted to treat the runoff from 354,864 ft2 and 595,184 ft2 of built -upon area, respectively. 3. The subdivision is permitted for no more than 167 lots, each allowed a maximum of 4,000 square feet of built -upon area. 4. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. 5. Pond #2 is an amenity pond that is within the drainage area and part of the collection system to Pond #3. Page 2of8 State Stormwater Management Systems Permit No. SW8 060150 A The following design elements have been permitted for the wet detention pond stormwater facilities, and must be provided in the system at all times. . a on C. d. ef. g h. Drainage Area, acres: Onsite, ft2: Offsite, ft2: Total Impervious Surfaces, ft2: Lots at 4,000 ft2: Roads/Parking, ft2: Clubhouse, ft . Sidewalk ft2: Offsite, ft: Pond Depth, feet: TSS removal efficiency: Design Storm: Permanent Pool Elevation, FMSL Permitted Surface Area @PP ft2: Permitted Storage Volume, ft. Storage Elevation, FMSL: Controlling Orifice: Permanent Pool Volume, ft3: Forebay Volume, ft3: Maximum Fountain Horsepower: Receiving Stream 1 River Basin: Stream Index Number. - Classification of Water Body: II. SCHEDULE OF COMPLIANCE Pond 1 ' Pored 3 25.95 45.70 1,130,382 1,990,692 0 0 354,864 595,184 264,000 404,000 90,864 162,184 0 27,000 0 2,000 0 0 6.0 6.0 90% 90% 1 1 42.0 39.0 40,390 64,130 33,536 59,413 42.80 39.9 YO pipe 4" O pipe 160,170 292,890 32,750 64,545 1/2 1 Middle Swamp / LBR59 15-25-1-6-4 "C Sw" 1. 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. 2. The permittee is responsible for verifying that the proposed built -upon area for the entire lot, including driveways and sidewalks, 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. 3. If an Architectural Review Board or Committee is required to review plans for compliance with the BUA limit, the plans reviewed must include all proposed built -upon area. Any approvals given by the Board do not relieve the homeowner of the responsibility to maintain compliance with the permitted BUA limit. 4. All stormwater collection and treatment systems must be located in either dedicated common areas or recorded easements. The final plats for the project will be ,recorded showing all such required easements, in accordance with the approved plans. 5. 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. Page 3 of 8 State Stormwater Management Systems Permit No, SVV8 060150 6. The permittee shall submit to the Director and shall have received approval for revised plans, specifications, and calculations prior to construction, for any modification to the approved plans, including, but not limited to, those listed below: 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, acquisition, or sale of all or part of the project area. The project area is defined as all property owned by the permittee, for which Sedimentation and Erosion Control Plan approval or a CAMA Major permit was sought. f. Filling in, altering, or piping of any vegetative conveyance shown on the approved plan. 7. The Director may determine that other revisions to the project should require a modification to the permit. 8. The stormwater management system shall be constructed in its entirety, vegetated and operational for its intended use prior to the construction of any built -upon surface. 9. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. 10. 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. 11. 1f the stormwater system was used as an Erosion Control device, it must be restored to design condition prior to operation as a stormwater treatment device, and prior to occupancy of the facility. 12. Permanent seeding requirements for the stormwater control must follow the guidelines established in the North Carolina Erosion and Sediment Control Planning and Design Manual. 13. The permittee shall at all times provide the operation and maintenance necessary to assure that all components of the permitted stormwater system function 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 structures, orifice, catch basins and piping. g. Access to all components of the system must be available at all times. 14. 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. Page 4of8 State Stormwater Management Systems Permit No. SW8 060150 15. 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. 16. Prior to the sale of any lot, the following deed restrictions must be recorded: a. The following covenants are intended to ensure ongoing compliance with State Stormwater Management Permit Number SW8 060150, as issued by the Division of Water Quality under NCAC 2H.1000. b. The State of North Carolina is made a beneficiary of these covenants to the extent necessary to maintain compliance with the Stormwater Management Permit. C. These covenants are to run with the land and be binding on all persons and parties claiming under them. d. The covenants pertaining to stormwater may not be altered or rescinded without the express written consent of the State of North Carolina, Division of Water Quality. e. Alteration of the drainage as shown on the approved plans may not take place without the concurrence of the Division of Water Quality. f. The maximum built -upon area per lot is 4,000 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 front lot line and the edge of the pavement. Built upon area includes, but is not limited to, structures, asphalt, concrete, gravel, brick, stone, slate, coquina and parking areas, but does not include raised, open wood decking, or the water surface of swimming pools. g. All runoff on the lot must drain into the permitted system. This may be accomplished through providing roof drain gutters which drain to the street, grading the lot to drain toward the street, or grading perimeter swales and directing them into the pond or street. Lots that will naturally drain into the system are not required to provide these measures. h, Built -upon area in excess of the permitted amount will require a permit modification. 17. A copy of the recorded deed restrictions must be submitted to the Division within 30 days of the date of recording the plat, and prior to. selling lots. The recorded copy must contain all of the statements above, the signature of the Permittee, the deed book number and page, and the stamp/signature of the Register of Deeds. 18. Prior to transfer of the permit, the stormwater facilities will be inspected by DWQ personnel. The facility must be in compliance with all permit conditions. Any items not in compliance must be repaired or replaced to design condition prior to the transfer. Records of maintenance activities performed to date will be required. 19. Decorative spray fountains will be allowed in the stormwater treatment system, subject to the following criteria: a. The fountain must draw its water from less than 2' below the permanent pool surface. b. Separated units, where the nozzle, pump and intake are connected by tubing, may be used only if they draw water from the surface in the deepest part of the pond. C. The falling water from the fountain must be centered in the pond, away from the shoreline. d. The maximum horsepower for the fountain's pump is based on the permanent pool volume. The maximum pump power for a fountain in the permitted ponds is listed in Section 1.6 (m) of this permit. Page 5 of 8 State Stormwater Management Systems Permit No, SW8 060150 20. Built upon area includes, but is not limited to, structures, asphalt, concrete, gravel, brick, stone, slate, coquina and parking areas, but does not include raised, open decking, or the water surface of swimming pools. III. GENERAL CONDITIONS This permit is not transferable to any person or entity except after notice to and approval by the Director. In the event there is either 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. This may include, but is not limited to, a deed of trust, recorded deed restrictions, Designer's Certification and an Operation and Maintenance plan signed by the new applicant. 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. The permittee is responsible for compliance with all of the terms and conditions of this permit until such time as the Director approves the transfer request. 3. 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 143-215.6.C. 4. 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. 5. 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. 6. 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. 7. Permittee grants permission to staff of the DWQ to access the property for the purposes of inspecting the stormwater facilities during normal business hours. 8. The permittee shall notify the Division of any name, ownership or mailing address changes within 30 days. 9. 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. Permit issued this the 27th day of September 2006. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION Division of Water Quality By Authority of the Environmental Management Commission Permit Number SW8 060150 Page 6 of 8 State Stormwater Management Systems Permit No. SW8 060150 Summerwoods Subdivision Stormwater Permit No. SW8 060150 Brunswick County Designer's Certification Page 1 of 2 I, , as a duly registered in the State of North Carolina, having been authorized to observe (period icallylweeklylfull 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. The checklist of items on page 2 of this form are a part of this Certification. Noted deviations from approved plans and specifications; Signature Registration Number Date yMI Page 7of8 State Stormwater Management Systems Permit No. SW8 060150 Certification Requirements: Page 2 of 2 -1. The drainage area to the system contains approximately the permitted acreage. _2. The drainage area to the system contains no more than the permitted amount of built -upon area. _3. All the built -upon area associated with the project is graded such that the runoff drains to the system. _4. All roof drains are located such that the runoff is directed into the system. _5. The outlet/bypass structure elevations are per the approved plan. _6. The outlet structure is located per the approved plans. _7. Trash rack is provided on the outlet/bypass structure. _8: All slopes are grassed with permanent vegetation. _9. Vegetated slopes are no steeper than 11. _10. The inlets are. located per the approved plans and do not cause short- circuiting of the system. 11. The permitted amounts of surface area and/or volume have been provided. 12. Required drawdown devices are correctly sized per the approved plans. 13. All required design depths are provided. 14. All required parts of the system are provided, such as a vegetated shelf, a forebay, and the vegetated filter. 15. The required dimensions of the system are provided, -per the approved plan. cc: NCDENR-DWQ Regional Office Delaney Aycock, Brunswick County Building Inspections Page 8 of 8 OFFICE USE ONLY Date Received Fee Paid Permit Number a 1t a a - of State of North Carolina Department of Environment and Natural Resources Division of Water Quality STORMWATER MANAGEMENT PERMIT APPLICATION FORM This form may be photocopiedfor use as arr original 1. GENERAL INFORMATION 1. Applicants name (specify the name of the corporation, individual, etc. who owns the project): Vik Sikka 2. Print Owner/Signing Official's name and title (person legally responsible for facility and compliance): Vik Sikka 3. Mailing address for person listed in item 2 above: P.O. Box 7365 City: Wilmington State: NC Zip: 28406 Telephone Number: 910 - 262-1800 4. Project Name (subdivision, facility or establishment name -- should be consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): Summerwoods Subdivision 5. Location of Project (street address): Gallowav Road - SR 1401 City: Bolivia County: Brunswick 6. Directions to project (from nearest major intersection): South on Business I-Iwv 17 from Bolivia. west on Gallowav Road SR 1401 1500 feet from intersection 7. Latitude: 34.0639°N Longitude: 78.1574°W of project 8. Contact person who can answer questions about the project: Name: Vik Sikka Telephone Number: 910 - 262-1800 IL PERMIT INFORMATION 1. Specify whether project is (check one) ® New ❑ Renewal ❑ Modification Form SWU-101 Page 1 of 4 2. If this application is being submitted as the result of a renewal or modification to an existing permit, list the Existing permit number and its issue date (if known) 3. Specify the type of project (check one): ❑Low Density ®High Density []Redevelop ❑General Permit ❑Other 4. Additional Project Requirements (check applicable blanks): ❑CAMA Major ®Sedimentation/Erosion Control ❑404/401 Permit ❑NPDES Stormwater Information on required state permits can be obtained by contacting the Customer Service Center at 1-877-623-6749. III. PROJECT INFORMATION 1. In the space provided below, summarize how stormwater will be treated. Also attach a detailed narrative (one to two pages) describing Stormwater management for the project. 167 lot subdivision with community building and pool. Three stormwater detention ponds will be constructed to treat all impervious runoff. 2. Stormwater runoff from this project drains to the 3. Total Project Area: 69.1 acres 5. How many drainage areas does the project have? 3 Lumber 4. Project Built Upon Area River Basin. 32 6. Complete the following information for each drainage area. If there are more than two drainage area in the project, attach an additional sheet with the information for each are provided in the same format as below. Basin Information Drainage Area 1 Drainage Area 2 Receiving Stream Name Middle Swamp Middle Swam Receiving Stream Class C; Sw C; Sw Drainage Area 25.95 AC 19.64 AC Existing Impervious * Area 0 0 Proposed Impervious * Area 8.15 AC 6.22 A Impervious * Area total 31.4% 3 1.70 Impervious * Surface Area Drainage Area 1 Dra Ige Area 2 On -site Buildings 264,000 SF 1 000 SF On -site Streets 90864 SF 751 4 SF On -site Parkin On -site Sidewalks Other on -site Off -site Total: 354,864 SF To 1: 271,144 SF *Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas, sidewalks, gravel area, etc. Form SWU-101 Version 3.99 Page 2 of 4 Basin Information Draina =e Area 3 Drainage Area 4 Receiving Stream Name Middle Swam Receiving Stream Class C; Sw Drainage Area 45.7 AC Existing Impervious * Area 0 Proposed Impervious * Area 13.66 AC % Impervious * Area total 29.9 % Impervious * Surface Area Drainage Area 3 DrainaLe Area 4 On -site Buildin 7s 404,000 SF On -site Streets 162,184 SF On -site Parking 0 On -site Sidewalks 2000 SF Other on -site 27,000 SF Clubhouse area total Off -site Total: 595,184 SF Total: 7. How was the off -site impervious area listed above derived? IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS The following italicized deed restrictions and protective covenants are required to be recorded for all subdivisions, outparcels and future development prior to the sale of any lot. If lot sizes vary significantly, a table listing each lot number, size and the allowable built -upon area for each lot must be provided as an attachment. 1. The following covenants are intended to ensure ongoing compliance with state stormwater management permit number as issued by the Division of fluter Quality. These covenants may not be changed or deleted without the consent of the State. 2. No snore than 4000 square feel of any lot shall be covered by structures or impervious materials. impervious materials include asphalt, gravel, concrete, brick, stare, .elate or similar material but do not include wood decking or the water suxface of swimming pools. 3. Swales shall not be filled in, piped, or altered except as necessary to provide driveway crossing. 4. Built -upon area in excess of the permitted amount requires a state stormwater management permit modification prior to construction. 5. All permitted runoff from outparcels or fixture development shall be directed into the permitted stormwater control system. These connections to the stormwater control system shall be performed in a manner that maintains the ixrtegrity axrd pe+formance of the system as permitted. By your signature below, you certify that the recorded deed restrictions and protective covenants for this project shall include all the applicable items required above, that the covenants will be binding on all parties and persons claiming under them, that they will run with the land, that the required covenants cannot be changed or deleted without concurrence from the State, and that they will be recorded prior to the sale of any lot. V. SUPPLEMENT FORMS The applicable state stormwater management permit supplement form(s) listed below must be submitted for each BMP specified for this project. Contact the Stormwater and General Permits Unit at (919) 733-5083 for the status and availability of these forms. Form SWU-102 Wet Detention Basin Supplement Form SWU-103 Low Density Supplement Form SWU-104 Low Density Supplement Form SWU-105 Curb Outlet System Supplement Form SWU-106 Off -site System Supplement Form SWU-107 Underground Infiltration Trench Supplement Form SWU-108 Neuse River Basin Supplement Form SWU-109 Innovative Best Management Practice Supplement Fomi SWU-101 Vcrsion 3.99 Page 3 of 4 VI. SUBMITTAL REQUIREMENTS Only complete application packages will be acepted and reviewed by the Division of Water Quality (DWQ). A complete package includes all of the items listed below. The complete application package should be submitted to the appropriate DWQ Regional Office. L. Please indicate that you have provided the following required information by initialing in the space Provided next to each item. Initials • Original and one copy of the Stormwater Management Permit Application Form WSL • One copy of the applicable Supplement Forms(s) for each BMP WSL • Permit application processing fee of $420 (payable to NCDENR) WSL • Detailed narrative description of stormwater treatment/management WSL • Two copies of plans and specifications, including: WSL -Development/Project name -Engineer and firm -Legend -North Arrow -Scale -Revision number & date -Mean high water line -Dimensioned property/project boundary -Location map with named streets or NCSR numbers -Original contours, proposed contours, spot elevation, finished floor elevations -Details of roads, drainage features, collection systems, and stormwater control measures -Wetlands delineated, or a note on plans that none exist -Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations -Drainage areas delineated -Vegetated buffers (where required) VI1. AGENT AUTHORIZTION If you wish to designate authority to another individual or firm so that they may provide information on your behalf, please complete this section. Designated agent (individual or firm): Right Angle Enginee Mailing Address: 212 Princess Street City: Wilmin State: NC Phone: 910-251-8544 Fax: 910-251-2208 VI11. APPLICANT'S CERTIFICATION Zip: 28401 I, (print or type game of person listed in General Information, item 2) Vik Sikka Certify that the information included on this permit application form, is to the best of my knowledge, correct and that the project will be constructed in conformance with the approved plans, that the required deed restrictions and protective cov nants will be recorded, and that the proposed project complies with the requirements of 15A NCAC 2H.101 Signature: � 214(`' Date: `� Q Form SWU-101 Version 3.99 Page 4 of 4