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HomeMy WebLinkAboutSW7960803_CURRENT PERMIT_20071130 (2)STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. sw :IW� DOC TYPE CURRENT PERMIT APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE YYYYMMDD W A Tf9 Q �I WA:Ko Michael F. Easley, Governor William G. Ross 3r., Secretary _ North Carolina Department of Environment and Natural Resources Coleen H. Sullins, Director Division of Water Quality DIVISION OF WATER QUALITY November 30, 2007 Academy Commons Condominium Owners Association Attn: Mr. Jeff Jenkins 604 East Main Street New Bern, NC 28532 Subject: RENEWAL Stormwater Permit No. SW7960803 Academy Commons Condominiums High Density Stormwater Project Craven County Dear Mr. Jenkins: The Washington Regional Office received revised plans and supporting information for the subject project on October 26, 2007. It has been determined that this project will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H.1000. We are forwarding Stormwater Permit SW7960803 dated November 30, 2007 to Academy Commons Condominium Owners Association for the continued operation of a wet pond system to serve Academy Commons. This permit shall be effective from the date of issuance until November 30, 2017, 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. North Carolina Division of Water Quality Intemet: h2o.enr. state. nc. us 943 Wmhine on Square Mall Phone: 252-946-6481 Washington, NC 27889 FAX 252-946-9215 An Equal Opportunity/Affirmative Acton Employer-50% Recycled110%Post Consumer Paper NorthCarolina Naturally, Academy Commons Condominium Owners Association November 30, 2007 Page Two If you have any questions, or need additional information concerning this matter, please contact Bill Moore at (252) 948- 3919. Sincerely, OR — 1 Hodge, Regional Supervisor Surface Water Protection Section Washington Regional Office cc: Avolis Engineering City of New Bern Planning/Inspections Washington Regional Office Central Files State Stormwater Management Systems Permit No. SW7960803 STATE OF NORTH CAROLINA 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 Academy Commons Condominium Owners Association 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, vegetated buffers and a wet detention pond to serve Academy Commons Condominium project located off US 17 south of New Bern, NC. This permit shall be effective from the date of issuance until November 30, 2017, and shall be subject to the following specified conditions and limitations: I. DESIGN STANDARDS 1. 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 4 of this permit, the Project Data Sheet. 3. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. 3 DIVISION OF WATER QUALITY PROJECT DATA Project Name: Academy Commons Condominiums Permit Number: SW7960803 Location: Craven County Applicant: Academy Commons Condominiums Owners Association Mailing Address: 604 East Main Street New Bern, NC 28532 Application Date: 04/11/2007; original 10/26/2007; complete Receiving Stream: UT -Haywood Creek Stream Classification: C-NSW Total Site Area: Total Impervious: Area Allowed Pond/Basin Depth: Required Storage Volume Provided Storage Volume: Required Surface Area: Provided Surface Area: Controlling Orifice: 18.28 acres 5.83 acres 6.Oft 28,723 cf 28,723 cf 22,158 sf 22,158 sf drawndown orifice 3.0-inch at elevation 21.8 ft 0 4. 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. 5. 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. 6. 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 will comply with the following schedule for construction and maintenance of the stormwater management system. a. 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 surfaces except roads. b. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. 2. The facilities must be properly maintained and operated at all times. The approved Operation and Maintenance Plan must be followed in its entirety and maintenance must occur at the scheduled intervals. 3. The permittee shall at all times provide the operation and maintenance necessary to assure the permitted stormwater system functions at optimum efficiency including, but not limited to: 5 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. 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.. 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 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. Mail the Certification to the Washington Regional Office, 943 Washington Square Mall, Washington, North Carolina, 27889, attention Division of Water Quality. 7. A copy of the approved plans and specifications shall be maintained on file by the Permittee for a minimum of five 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 formal permit request must be submitted to the Division of Water Quality accompanied by an application fee, 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. 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 143-215.6(a) to 143-215.6(c). 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. 6 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. At least six months prior to the expiration date, the permittee must submit a written request for permit renewal to the Division of Water Quality, Washington Regional Office. Permit issued this the 30 th day of November, 2007 NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION 6oleen H.-Sullins, Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number SW7960803 7 R E-C E.6 HE'D APR 1 1 2007 DIVA -WARD SWAcK i�/�,��U.7 Michael F. Easley, Governor William G. Ross, Jr., Secretary North Carolina Department of Environment and Natural Resources Alan W. Klimek, P.E. Director Division of Water Quality SURFACE WATER PROTECTION SECTION COASTAL STORMWATER PERMIT RENEWAL APPLICATION FORM I. CURRENT PERMIT INFORMATION: 1. Stormwater Management Permit Number: SW7960803 2. Permit Holder's name: Neuse Builders, Inc. 3. Signing official's name: Patrick McCullough Title: vice President (person legally responsible for permit) 4. Mailing address: 604 Fast Main Street Cit y: NC ZipCode:28532 Phone:252 670 2430 FAX: 252 447 2579 (Area Code and Number) (Area Code and Number) 5. Project Name:_Neuse Builders Developmerlt(Academy Commons) 6. Location of Project: (street address) Tomlinson Boulevard New Bern NC 7. Directions t0 Project (from nearest major intersection) US 17 south to High School Drive turn sight go 1/4 mile & turn left on Tomlinson go to end pond is on tho left -- PERMIT INFORMATION Specify the type of stormwater treatment (wet pond, infiltration, etc.): Wet Pond 2. List any changes (from project that was originally approved, attach additional pages if SEE ATTACHED NARRATIVE. uo you nave a copy of the original Operation and Maintenance Agreement? Yesxt No_ Applicant's Certification: _, certify that the information included on this my knowledge, correct and complete. Signature: Submit this completed form along with an application fee of $420.00 and a copy of the designer's certification to the address listed below. North Carolina Division of Water Quality 943 Washington Square Mall Phone (252) 9466481 Customer Service 1-877623-6748 Washington Regional Office Washington, NC 27889 FAX (252)946-9215 Internet h2o.enrstate.naus One NonhCarolina An Equal OpponunitylAffirmatve Actor Employer- 50% Recycledl10°/ Pcst Consumer Paoer Naturally Permit No# SW7960803 WET DETENTION BASIN OPERATION AND MAINTENANCE AGREEMENT Maintenance activities shall be performed as follows: 1. After every significant runoff producing rainfall event and at least monthly: a. Inspect the wet detention basin system for sediment accumulation, erosion, trash accumulation, vegetated cover, and general condition. b. Check and clear the orifice of any obstructions such that drawdown of the temporay pool occurs within 2 to 5 days as designed. 2. Repair eroded areas immediately, re -seed as necessary to maintain good vegetative cover, mow vegetative --cover to maintain a maximum height of six inches, and remove trash as needed. 3. Inspect and repair the collection system (i.e. catch basins, piping, swales, riprap, etc.) quarterly to maintain proper functioning. 4. Remove accumulated sediment from the wet detention basin system semi-annually or when depth is reduced to 75% of the original design depth (see diagram below). Removed sediment shall be disposed of in an appropriate manner and shall be handled in a manner that will not adversely impact water quality (i.e. stockpiling near a wet detention basin or stream, etc.). The measuring device used to determine the sediment elevation shall be such that it will give an accurate depth reading and not readily penetrate into accumulated sediments. When the permanent pool depth reads /8. $ feet in the main pond, the sediment shall be removed. When the permanent pool depth reads / Q, � feet in the forebay, the sediment shall be removed. ScJiin.ni Iten ucol Ei. 18.8' tI ---------- FOREBAY BASIN DIAGRAM (fill in the blanks) Permanent Pool Elevation 21 .8' Sediment Removal Elevation 18. 8' Bottom Elevation 17.8' MAIN POND 5. Remove cattails and other indigenous wetland plants when they cover 50% of the basin surface. These plants shall be encouraged to grow along the vegetated shelf and forebay berm. 6. If the basin must be drained for an emergency or to perform maintenance, the flushing of sediment through the emergency drain shall be minimized to the maximum extent practical. 7. All components of the wet detention basin system shall be maintained in good working order. 8. Remove all trees and heavy woody vegetation from the basins and dike walls. I acknowledge and agree by my signature below that I am responsible for the performance of the eight maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party: Print name: Jeff Jenkins ,Title_ President, Academy Commons Condoiniriiiun Owner's Association Address: 604 Fast Main Street Havelock NC 28532 Note: The legally responsible party should not be a homeowners association unless more than 50% of the lots have been sold and a resident of the subdivision has been named the president I, Beth Simmons a Notary Public for the State of North Carol ; na County of Craven ado hereby certify that Jeff -.Jenkins: . personally appeared before me this 11 day of December 2006 and acknowledge the due execution of the forgoing wet detention basin maintenance requirements. Witness my hand and official seal, NOTARY 3 PUBLIC Cto::�l' Seal My commission expires 7 2 2U0`i /A APB 1 1 2007 Project Name: Neuse Builders, Inc. Stormwater Permit No.: SW7960803 ®V' j-'��ri�ld' 11t /�,VnYi Designer's Certification 1, Joseph C. Avolis 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, Neuse Builders Development (Academy Commons) (Project) for Neuse Builders Development (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 observeJt�Qlphb uilt within substantial compliance and intent of the approved plans and specifications. CA C Signature Z0:'FES3/o••.y � ?.�F s SEAL Registration Number 1 60 Date December 8, 2006 co O' :�.... eGP•:�y: Certification Requirements://Ujlljlj�p\"' l .The drainage area to the system contains approximately the permitted acreage. Yk 2.The drainage area to the system contains no more than the permitted amount of built -upon area. kk 3.AII the built -upon area associated with the project is graded such that the runoff drains to the stem. � 4.AII 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.AII slopes are grassed with permanent vegetation. 9.Vegetated slopes are no steeper than 3:1. &4o 1OThe inlets are located per the approved plans and do not cause short-circuiting of the system. ,'/�'--_ l 1.The permitted amounts of surface area and/or volume have been provided. � 12.Required drawdown devices are correctly sized per the approved plans. 13.AII required design depths are provided. 1, 14.AII required parts of the system are provided, such as a vegetated shelf, and a forebay. -)Jl,f' � 15.The required system dimensions are provided per the approved plans. ak v�s�r>4 v s c F f,or V161 E, E Tl/QouCli ware. 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