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HomeMy WebLinkAboutSW8040228_CURRENT PERMIT_20040702STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW DOC TYPE CURRENT PERMIT APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE R_&nG) ZDa YYYYMMDD Michael F. Easley, Governor p William G. Ross Jr., Secretary '0A Jac- North Carolina Department of Environment and Natural Resources LL&U, Alan W. Klimek, P•E.,Director p Division of Water Quality Coieen H. Sullins, Deputy Director Division of Water Quality July 2, 2004 Mr. Jon T. Vincent Dollar Properties Nine, LLC 1508 Military Cutoff Road, Suite 302 Wilmington, NC 28403 Subject: Stormwater Permit No. SW8 040228 Dollar General Winds Ridge High Density Project New Hanover County Dear Mr. Vincent: The Wilmington Regional Office received a complete Stormwater Management Permit Application for Dollar General Winds Ridge on July 2, 2004. Staff review of the plans and specifications has determined 4hat the project, as proposed, will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H.1000. We are forwarding Permit No. SW8 040228 dated July 2, 2004, for the construction of the subject project. This permit shall be effective from the date of issuance until July 2, 2014, 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 Laurie Munn, or me at (910) 395-3900. Sincerely, Rick Shiver Water Quality Regional Supervisor RSS/Ism: S:IWQSISTORMWATIPERMIT104022$ ju104 cc: Mike Hoffer New Hanover County Building Inspections City of Wilmington Stormwater Services Beth E. Wetherill, New Hanover County Engineering Laurie Munn tWilmington-RegionaI-Office Central -Files N. C. Division of Water Quality 127 Cardinal Drive Extension (910) 395-3900 Customer Service A Ar Wilmington Regional Office Wilmington, NC 28405 (910) 350-2004 Fax 1 800 623-7748 we bENR- State Stormwater Management Systems Permit No. SW8 040228 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY STATE STORKWATER MANAGEMENT PER UT 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 Dollar Properties Nine, LLC Dollar General Winds Ridge New Hanover County FOR THE construction, operation and maintenance of an infiltration basin 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 July 2, 2014, 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 stormwatcr 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 stormwater control has been designed to handle the runoff from 64,070 square feet of impervious area. 3. The tract will be limited to the amount of built -upon area indicated on page 3 of this permit, and per approved plans. The built -upon area for the future development is limited to 32,000 square feet. 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 runoff from all built -upon area within the permitted drainage area of this project must be directed into the permitted stormwater control system. Page 2 of 7 State Stormwater Management Systems Permit No. SW8 040228 6. The following design criteria have been provided in the infiltration basin and must be maintained at design condition: a. Drainage Area, acres: 2.43 Onsite, ft2: 58,806 Offsite, ft2: 47,184 b. Total Impervious Surfaces, ft2: 64,070 Building, ft2: 13,900 Parking, ft2: 14,820 Sidewalks, ft2: 3,350 Future, ft2: 32,000 C. Design Storm, inches: 3" d. Basin Depth, feet: 4.0 e. Bottom Elevation, FMSL: 38.5 f. Bottom Surface Area, ft2: 2,461 g. Bypass Weir Elevation, FMSL: 42.5 h. Permitted Storage Volume, ft3: 17,228 i. Type of Soil: Leon Sand j. Expected Infiltration Rate, in/hr: 10.8 k. Seasonal High Water Table, FMSL: 35.5 1. Time to Draw Down, hours: 8 M. Receiving Strearn/River Basin: Everetts Creek / Cape Fear n. Stream Index Number: 18-87-29 o. Classification of Water Body: "SA HQW" 11. SCHEDULE OF COMPLIANCE 1. 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. 2. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. 3. 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 slopes and the vegetated filter. d. Immediate repair of eroded areas. C. Maintenance of all slopes in accordance with approved plans and specifications. f. Debris removal and unclogging of outlet structure, orifice device, flow spreader, catch basins and piping. g. A clear access path to the outlet structure must be available at all times. Page 3 of 7 State Stormwater Management Systems Permit No. SW8 040228 4. 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. 5. The facilities shall be constructed as shown on the approved plans. 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. 6. 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. A modification may be required for those deviations. 7. If 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. Access to the stormwater facilities shall be maintained via appropriate easements at all times. 9. 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 any item shown on the approved plans, including the stormwater management measures, built -upon area, details, etc. b. Project name change. 'c. Transfer of ownership. d. Redesign or addition to the approved amount of built -upon area or to the drainage area. e. Further subdivision, acquisition, lease 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. 10. The permittee shall submit final site layout and grading plans for any permitted future areas shown on the approved plans, prior to construction. 11. 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 donstruction. 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. III. GENERAL CONDITIONS 1. This permit is not transferable except after notice to and approval by the Director. In the event of a change of ownership, or a name change, the permittee must submit a formal permit transfer request to the Division of Water Quality, accompanied by a completed name/ownership change form, documentation from the 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 permittee is responsible for compliance with all permit conditions until such time as the Division approves the transfer request. Page 4 of 7 State Stormwater Management Systems Permit No. SW8 040228 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) having 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 permittee grants DENR Staff permission to enter the property during normal business hours for the purpose of inspecting all components of the permitted stormwater management facility. 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. Unless specified elsewhere, permanent seeding requirements for the stormwater control must follow the guidelines established in the North Carolina Erosion and Sediment Control Planning and Design Manual. 8. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. 9. The permittee shall notify the Division any name, ownership or mailing address changes within 30 days. Permit issued this the 2nd day of July 2004. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION Alan W. Klimek, .E., Director Division of Water Quality By Authority of the Environmental Management Commission Page 5 of 7 State Stormwater Management Systems Permit No. SW8 040228 Dollar General Winds Ridge Stormwater Permit No. SW8 040228 New Hanover County Designer's Certification T, , as a duly registered 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. The checklist of items on page 2 of this form is included in the Certification. Noted deviations from approved plans and specification:. Signature Registration Number Date SEAL Page 6 of 7 State Stormwater Management Systems Permit No. SW8 040228 Certification Requirements: 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. T9. Vegetated slopes are no steeper than 3:1. 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, and a forebay. 15. The required system dimensions are provided per the approved plans. cc: NCDENR-DWQ Regional Office New Hanover County Building Inspections Page 7 of 7 OFFICE USE ONLY Date Received Fee Paid Permit Number a O d .Z State of North Carolina Department of Environment and Natural Resources Division of Water Quality STORMWATER MANAGEMENT PERMIT APPLICATION FORM This form mat+ be photocopied for use as an original I. GENERAL INFORMATION 1. Applicants name (specify the name of the corporation, individual, etc. who owns the project): Dollar Proper -ties Nine LLC 2. Print Owner/Signing Official's name and title (person legally responsible for facility and compliance): Jon T. Vincent Member Manager 3. Mailing Address for person listed in item 2 above: 1508 Military Cutoff Road Suite 302 City: Wilmington _ State: NC Zip: O3 Telephone Number: 910-256-0101 4. Project Name (subdivision, facility, or establishment name — should be consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): Dollar General Winds Rid e 5. Location of Project (street address): 6331 Carolina Beach Road City: _ Wilmington County: New Hanover 6. Directions to project (from nearest major intersection): JFrom the intersection of NC Hwy 132 and US 421, travel south on 421 approximately 12.000 If. Site is on east side at the intersection_ of 421 and Winds Ridge Road oad_, 7. Latitude : N 34" 07' 00" ._ Longitude: W 770 00' 00" of project 8. Contact person who can answer questions about the project: Name: —Phillip TrippTelephone Number: 910-763-5100 II. PERMIT INFORMATION: 1. Specify whether project is (check one): X_New Renewal Modification Form SWU-101 Version 3.99 Page I of 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 X High Density Redevelop General Permit Other 4. Additional Project Requirements (check applicable blanks): CAMA Major X Sedimentation/Erosion Control 404//401 Permit NPDES Stormwater Information on required state permits can be obtained by contacting the Customer Service Center at 1-877-623-6748. 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. Stormwater will be treated with an infiltration basin 2. Stormwater runoff from this project drains to the Cape Fear River basin. 3. Total Project Area: 1.35 acres 5. How many drainage basins does the project have? _ 1 4. Project Built Upon Area: �55 _ %. 6. Complete the following information for each drainage area. If there are more than two drainage areas in the project, attach an additional sheet with the information for each area provided in the same format as below. Basin Information Drainage Basin] Drainage Basin 2 Receiving Stream Name Unnamed trib to Everetts Creek Receiving Stream Class SA w Drainage Basin Area 2.43 ac Existing Impervious * Area - Proposed Impervious * Area 1.47 ac % Impervious* Area (total) 60.4% impervious * Surface Area Drainage Basin 1 Drainage Basin 2 On -site Buildings 13,900 sf On -site Streets - On -site Parking 14,820 sf On -site Sidewalks 3,350 sf Other on -site - Off -site future 32,000 sf Total: Y-=64,070 sf Y_= * Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas sidewalks, gravel areas, etc. Form SWU-101 Version 3.99 Page 2 of 4 How was the off -site impervious area listed above derived? estimated 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. The following covenants are intended to ensure ongoing compliance ►vilh state storm►vater managemew perntit number as issued by 1he Division of Water Quality. These covenants may not be changed or deleted ivithout the consent of 1he State. 2. No more than square feet of any lot shall be covered by structures of impervious materials. Impervious materials include asphalt, gravel, concrete, brick, stone, slate or similar material but do not include wood decking or the water surface ofswinuningpools. 3. Swales shall not be filled in, piped or ahered except as necessary to provide driveivcry crossings. 4 Built -upon area in excess of the permitted atrtount requires ct state storrttii ater rtiattctge»tertt permit mod ication prior to constnicl ion. 5. All permitted runofffrom outparcels or fixture development shall be directed into the permitted stormvvater control system. These connections to the stornnvater control system shall be performed in a manner that maintains the integrity and performance of the syslent 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 forms) listed below must be submitted for each BMP specified for this project. Contact the Storrnwater and General Permits Unit at (910) 733-5083 for the status and availability of these forms. 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 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 Form SWU-101 Version 3.99 Page 3 of 4 VI. SUBMITTAL REQUIREMENTS Only complete application packages will be accepted 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. I . Please indicate that you have provided the following required information by initialing in the space provided next to each item. Applicant's Initials • Original and one copy of the Stormwater Management Permit Application Form • One copy of the applicable Supplement Form(s) for each BMP • Permit application processing fee of $420 (payable to NCDENR) • Detailed narrative description of stormwater treatment/management1 • Two copies of plans and specifications, including: J Development/Project name - Engineer and firm Legend North arrow Scale Revision number and date Mean high water line Dimensioned property/project boundary Location map with named streets or NCSR numbers - Original contours, proposed contours, spot elevations, 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) VII. AGENT AUTHORIZATION 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): Tripp Enineerin , P.C. �^ Mailing Address: 419 Chestnut Street City: Wilmin on State: NC Zip: 28401 Phone: 9l0 763-5100 Fax: (910) 763-5631 Vl1I. APPLICANT'S CERTIFICATION 1, (print or type name of erson listed in General Information, item 2) ion T. Vincent , certify that the informati n hTcluded on tl is permit application form is, to the best of my knowledge, correct and that the project will be c nstructed in co formance with the approved plans, that the required deed restrictions and protectiv covenants will be recor d, and that the proposed project complies with the requirements of 15A NCAC 2H .1000 E Wd A WX i 9 —1-1woLa. Form SWU-101 ! Version 3.99 Page 4 of