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HomeMy WebLinkAboutSW7101203_CURRENT PERMIT_20200915STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW DOC TYPE CURRENT PERMIT APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE Wvo /s-- YYYYMMDD W,fr-d ROY COOPER Governor MICHAEL S. REGAN Secretary BRIAN WRENN Actiny Director NORTH CAROL!NA Environmental Quality September 15, 2020 Ms. Karen High, SVP. Facilities Services State Employees' Credit Union P.O. Box 26807 Raleigh, NC 27611 Subject: Stormwater Permit No. SW7101203 Renewal SECU - Murfreesboro High Density Project Hertford County Dear Ms. High: The Washington Regional Office received a Stormwater Management Permit Application for renewal of the subject permit on August 10, 2020. Staff review of the applications have determined that the permit can be reissued. We are forwarding Permit No. SW7101203 dated September 15, 2020, for the continued operation of the subject project. This permit, upon its effective date, will replace all previous State Stormwater permits for this project. This permit shall be effective from January 27, 2021 until January 26, 2029 and shall be subject to the conditions and limitations as specified therein, and does not supercede any other agency permit that may be required. 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 150E of the North Carolina General Statutes, and filed with the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, NC 27699-6714. 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 me at (252) 948-3923. Sincerely, Rogef K.horpe Environmental Engineer a tlit EneruM D sw -Gneraf nd Land Resource; a berth C.iruJiaDepa�cneor of nvu �menta� Qualit, 1� Va,l Inyton Regional Office ,isIrhrq n ,..are "alt 2 Vra ninytan Not Carol n i 27S8Q Jnnn.ttil . STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION OF ENERGY, MINERAL, AND LAND RESOURCES 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 State Employees' Credit Union SECU - Murfreesboro Located at 900 West Main Street, Murfreesboro, NC, Hertford County FOR THE construction, operation and maintenance of a wetland 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 Energy, Mineral, and Land Resources (Division) and considered a part of this permit. This permit shall be effective from January 27, 2021 until January 26, 2029, 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. This stormwater system has been approved for the management of stormwater runoff as described in Section 1.7 of this permit. 3. The tract will be limited to the amount of built -upon area indicated in Section 1. of this permit, and per approved plans. 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. 6. The built -upon areas associated with this project shall be located at least 50 feet landward of all perennial and intermittent surface waters. 7. The following design criteria have been provided in the Wetland Basin and must be maintained at design condition: Wetland a. Drainage Area, ft2: 68,653 b. Total Impervious Surfaces, ftz: 48,822 C. Design Storm, inches: 1.5 d. Wetland Forebay Depth, feet: 2.00 e. TSS removal efficiency: 85% f. Permanent Pool Elevation, FMSL: 88.50 g. Permanent Pool Surface Area, ftz: 5,927 h. Permitted Storage Volume, ft3: 5,927 i. Temporary Storage Elevation, FMSL: 89.50 j. Controlling Orifice: 1.25" 0 pipe k. Permitted Forebay Surface Area, ft2: 767 I. Receiving Stream/River Basin: UT to Banks Branch/Chowan Basin M. Stream Index Number: 25-4-4-5 n. Classification of Water Body: "C; NSW" II. 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 time 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 re -vegetation of slopes and the vegetated filter strip. d. Immediate repair of eroded areas. e. Maintenance of all slopes in accordance with approved plans and specifications. f. Debris removal and unclogging of outlet structure, orifice device, level spreader, filter strip, catch basins and piping. g. Access to the outlet structure must be available at all times. 4. Records of maintenance activities must be kept for each permitted BMP. The records will indicate the date, activity, name of person performing the work and what actions were taken. 5. The permittee shall submit to the Division an annual summary report of the maintenance inspection records for each BMP. The report shall summarize the inspection dates, results of the inspections, and the maintenance work performed at each inspection. Access to the stormwater facilities shall be maintained via appropriate easements at all times. The facilities shall be constructed as shown on the approved plans. This permit shall become void unless the facilities are constructed in accordance with the conditions of this permit, the approved plans and specifications, and other supporting data. 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. 9. 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. 10. 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. 11. 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. 12. The permittee shall submit final site layout and grading plans for any permitted future areas shown on the approved plans, prior to construction. 13. A copy of the approved plans and specifications shall be maintained on file by the Permittee at all times. III. GENERAL CONDITIONS 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 completed Name/Ownership Change form, to the Division, signed by both parties, and accompanied by supporting documentation as listed on page 2 of the form. The project must be in good standing with the Division. 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. 3. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to enforcement action by the Division, in accordance with North Carolina General Statute 143-215.6A to 143-215.6C. 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) having 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 permittee grants DEQ Staff permission to enter the property during normal business hours for the purpose of inspecting all components of the permitted stormwater management facility. 7. The permit issued shall continue in force and effect until revoked or terminated. The permit may be modified, revoked and reissued or terminated for cause. The filing of a request for a permit modification, revocation and re -issuance or termination does not stay any permit condition. 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. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. 10. The issuance of this permit does not prohibit the Director from reopening and modifying the permit, revoking and reissuing the permit, or terminating the permit as allowed by the laws, rules and regulations contained in Title 15A NCAC 21-1.1000, and NCGS 143-215.1 et.al. 11. The permittee shall notify the Division of any name, ownership or mailing address changes at least 30 days prior to making such changes. 12. This permit shall be effective from January 27, 2021 until January 26, 2029. Application for permit renewal shall be submitted 180 days prior to the expiration date of this permit and must be accompanied by the processing fee. Permit issued this the 15th day of September 2020. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION For Brian Wrenn, Director ' Division of Energy, Mineral and Land Resources By Authority of the Environmental Management Commission Permit Number SW7101203 ,i!6 EE rLai fAv ci oN LETTER OF TRANSMITTAL To: North Carolina Department of Environment Copies: File & Natut."11 Rcsources Attention: Samir Dampur 943 Washington Square Mall Washington, NC 27889 Phone:252-948-3844 From: Mitch Craig Subject: Stormwatei Certification We are sending you: ❑ Shop Drawings ❑ Specifications ❑ Contracts ❑ Prints ❑ Copy of Letter ❑ invoice Date: October 26, 2012 VIA: UPS Express SEPI Project and Task No.: SC10.010.00 Task 300 SEPI Engineering & Construction, Inc. 1025 Wade Ave Raleigh, NC 27605 Tel 919.789.9977 fax 919.789.9591 ® Plans ❑ Samples ❑ Change Order ® Reports Copies Date Desa iption 1 10/26/2012 Designer's Certification for Wetland (Permit 9SW7101203) Comments: Page: 1/1 State Stormwater Management Systems Permit No. SW7101203 SEW - Murfreesboro Stormwater Permit No. SW7101203 Hertford County Dosignor's Certification l .1051 1'II-IITCITIiI.I. CRAIG , as a duly registered PROPFSSIONAL FNGINFFR in the State of North Carolina, having been authorized to observe (periodically/ weekly/ full time) the construction of the project, SECU-�URPREFSnORO (Project) _ for STATE ENIPLOYELS CRFDIr UNION (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: THE WATER QUALITY VOLUME OF THE CONSTRUCTFD WETLAND IS SLIGHTLY SMALLER TITAN TITF APPROVED NAT'ER QUALITY VOLUMF FY 252 CI'. 11ER A CONVERSATION 1VITPI SAMIR DAMPUR, TIIIS DISCREPANCY IS NOT AN ISSUE. Signature. Registration NUmber 034332 Date lo/z & 1.XU/2 Page 6 of 7 SEAL CIAIR O4 /// �oQ-•�FSS/O� y � :CL • p3A332 • •• FNG IN��e' �� State Stormwater Management Systems Permit No. SW7101203 Certification Requirements: Jmrc 1. The drainage area to the system contains approximately the permitted acreage. 1MC 2. The drainage area to the system contains no more than the permitted amount of built -upon area. Jn'rc 3. All the built -upon area associated with the project is graded such that the runoff drains to the system. )Mc 4. All roof drains are located such that the runoff is directed Into the system. JMC 5. The outlet/bypass structure elevations are per the approved plan. JMc 6. The outlet structure is located per the approved plans. HMc 7. Trash rack is provided on the outlet/bypass structure. Jmic a. All slopes are grassed with permanent vegetation. JMc g, Vegetated slopes are no steeper than 3:1. rMc 10. The inlets are located per the approved plans and do not cause short- circuiting of the system. Roc 11. The permitted amounts of surface area and/or volume have been provided. AMc 12. Required drawdown devices are correctly sized per the approved plans. JM<= 13. All required design depths are provided. ._JMc 14. All required parts of the system are provided, such as a vegetated shelf, and a forebay. JMc _16, The required system dimensions are provided per the approved plans. cc: NCDENR-DWQ Washington Regional Office Hertford County Building Inspections Page 7 of 7 Date Received UCMLR UJC'VNLT Fee Paid Perfnit Number ASS Ilol�' NC DEQ Division of Energy, Mineral and Land Resources STATE STORMWATER: PERMIT RENEWAL APPLICATION FORM In accordance with 15A NCAC -2H,104513j, the current permit holder shall renew their high density permit 180 days prior to its expiration. Renewed permits are valid for a period of 8 years per Session Law 2011-396 (SB 781) Section 60. (c). This application form is for permit renewals only. A. PROJECT INFORMATION 1. State Stormwater Permit Number: S W 101203 2. Project name: STATE EMPLOYEES' CREDIT UNION 3. Project street address: 900 WEST MAIN STREET RECEIVED AUG I u Lulu City: MURFREESBORO County: HERTFORD ZIP: 27855 4. What, if any, changes have been made to the project as permitted? NONI If the project has changed from the original approved plans, please complete S WU-101 for a Major Modification or Minor Modification Application form available at: httpsJIdeg.nc gowabou_Udivisl�nsie_nrr_yy- mim neral=land-land-mineral-land-rules/stormwa ter-program/post-construction. B, PERMITTEE INFORMATION If changes to the perrrrittee or project name have been made, please complete either the Permit Update form or the Permit Transfer form available at: httos //deg.nc.goviabotit/divisions/e!lerdv-mineral-!and- resources/energy.,, mineral land-rules/stonnwater-hoc m/post-constrGcco>.. State StormwaterPermits do not automatically transfer with the sale of the property. 1. Current Permit Holder's Company Name/Organization: STATE FMPI,OYEES' CREDIT UNION 2. Signing Official's Name: KAREN HIGH 3. Signing Official's Title: SVP. FAC'ILI'IIES SIiRVICES 4, Mailing Address: P.U. BOX 26807 City: RALEIGH State: NC ZIP: 27611 '415. Street Address: 3808 SIX FORKS ROAD City: RALEIGH State: NC ZIP: 27609 6. Phone: (919) 856-3340 Email: FACILITIESSERVICESODNCSECU ORG ;i!on;.r+dt^r Pemui! Renewal Form Page 1 of 3 M,,v 11 20 i g C: SUBMITTAL REQUIREMENTS Submit the application package to the appropriate ))EALR RRce ional Office (Coastal, SA Waters) or DEMLR Central Office (Urbanizing Areas Ph 2, USMP, Non -Coastal HQW/ORIM. Only applications packages that include all required items listed below will be accepted and reviewed. Initial each item below to indicate that the required information is provided in the application package: KH 1. A permit application processing fee of $505.00 payable to NCDEQ. KH 2. One original signed hard copy and one electronic copy of this completed form. The signing official named on this application to represent the current permittee must meet one of the following: a. Corporation — a principle executive officer of at least the level of vice-president, b. Limited Liability Company (LLC) — a manager or company official as those terms are defined in G.S. 57D "North Carolina Limited Liability Company Act;" c. Public Entity — a principal executive officer, ranking official, or other duly authorized employee, d. Partnership or limited partnership — the general partner; e. Sole proprietor; or f. Letter of authorization signed by one of the signatories noted in a — e above authorizing the signature of another entity. KH 3. One hard copy and one electronic copy of recorded documents required by the original permit that have not yet been received by DEMLR, including: deed restrictions, protective covenants, condominium/planned community declaration and easements. If the project has been built, include documentation that the maximum BUA per lot or maximum total BUA has not been exceeded. If the project has not been built, include a signed agreement that the final recorded deed restrictions and protective covenants will be submitted at a later date. KH 4. 0&M Agreements, Please select one: ® I have a copy of the current recorded O&M Agreement for all SCMs, and I will continue to keep this on file with the permit, or ❑ I do not have a copy of the current recorded O&M Agreement for all SCMs and am requesting a copy be sent to me. I agree to keep this on file with the permit. KH 5. Designer Certifications. Please select one ® A copy of the certification(s) confirming that the project was built in accordance with the approved plans have been previously provided to the Division: or ❑ A copy of the certification(s) confirming that the project was built in accordance with the approved plans are enclosed; or ❑ The project has not yet been built. N/A 6. [IF APPLICABLE] If the project has been built, one original hard copy and one electronic copy of a signed, sealed, and dated letter from a licensed professional stating that the SCMs have been inspected, and that they have been built and maintained in accordance with the permit. N/A 7. [IF APPLICABLE] When the permittee is a corporation or a limited liability corporation (LLC): Provide one hard copy and one electronic copy of documentation from the NC Secretary of State, or other official documentation, which supports the titles and positions held by the persons listed in Section C.2 per 15A NCAC 2H. 1043(3)(b). h!lps.ihvviw,sosnc. ov/online--services/search!by title/ Business Registration Si�nn:e2te: Permit Re: ow:fl rpplicah'm Funn Page 2 J:3 Mav 71.:09'cl D- PERMITTEE'S CERTIFICATION I, , the person legally responsible for the permit, certify that I have a copy of the Permit and O&M Agreement on site (or I will obtain a copy and it will be kept on site), that I am responsible for the performance of the maintenance procedures, and the site has been and will be maintained according to the O&M Agreement and approved plans. I agree to notify DEMUR of any problems with the SCMs or built -upon area and to submit the proper forms to modify or transfer the permit prior to any changes to the project, SCMs, or ownership. All information provided on this permit renewal application is, to the best of my knowledge, correct and complete. _ Signature: fW/tfh.� GX� Date: 2U 2020 NOTARIZATION: a Notary Public for the State of do hereby certify r personally appeared before me this the V day of It i (lT 20.Z, and acknowledge the due execution of the forgoing instrument. Witness my hand and official seal, (Notary Seal) Notary Signatu e: My commission expires /QY1�,y )Oa( �yOiAR y y',44' ev -0% pUSN-NG ' 2 �''ySTON COJe;��. Stormweler Pernnt Renewal Application Form Page of 3 fAly 11, 2018 Permit Number: (to be provided by DIVA) Drainage Area Number: Stormwater Wetland Operation and Maintenance Agreement I will keep a maintenance record on this BMP. This maintenance record will be kept in a log in a known set location. An), deficient BMP elements noted in the inspection will be corrected, repaired or replaced inunediately. 'These deficiencies can affect the integrity of sh uctures, safety of the public, and the removal efficiency of the BMP. Important maintenance procedures: — Itmnediately after the stornnvater wetland is established, the wetland plants will be watered twice weekly if needed until the plants become established (commonly six weeks). — No portion of the stormwater wetland will be fertilized after the first initial fertilization that is required to establish the wetland plants. — Stable groundcover will be maintained in the drainage area to reduce the sediment load to the wet detention basin. — Once a year, a dam safety expert will inspect the embankment. After the wet detention pond is established, 1 will inspect it once a month and within 24 hours after every storm event greater than 1.0 inches (or 1.5 inches if in a Coastal County). Records of operation and maintenance will be kept in a known set location and will be available upon request. Inspection activities shall be performed as follows. Any problems that are found shall be repaired immediately. BMP element: Potential prZlelir. How 1 will remediate theproblem: The entire BMP Trash/debris is present. Remove the (rash/debris. The perimeter of the wetland Areas of bare soil and/or erosive gullies have formed. Regrade the soil if necessary to remove the gully, and then plant a ground cover and water until it is established. Provide lime raj d a one-time fertilizer application. Vegetation is too short or too lolls. Maintain vegetation at a height of approximately six in lies. The inlet device: pipe or swale The pipe is clogged (if applicable). Unclog the pipe. Dispose of the sediment off -site. The pipe is cracked or otherwise damnged (if Replace the pipe. applicable). Frosion is occurring in the Swale (if applicable). Regrade the swale if necessary to smooth it over and provide erosion control devices such as reinforced turf matting or riprap to avoid future problems with erosion. Donn SW401-Wetland O&M-Rcv.3 Page 1 of 4 BMP element: Potentialproblem: How I will reinediate theproblem: The forebay Sediment has aceunuilated in Search for the source of the the forebay to a depth that sediment and remedy the problem if inhibits the forebay from possible. Remove the sediment and functioning well. dispose of it in a location where it will not cause impacts to streams Or _ the BMP. Erosion has occurred. Provide additional erosion protection such as reinforced turf matting or riprap if needed to prevent fuhlre erosion problems. Weeds are present. Remove the heeds, preferably by hand. If a pesticide is used, wipe it on the plants rather than s )raying'. The deep pool, shallow Algal growth covers over Consult a professional to remove water and shallow land 50% of the deep pool and and control the algal growth. areas shallow water areas. _ Cattails, phragruites or other invasive plants cover 50 % of Remove the plants by wiping them with pesticide (do not spray) - the deep pool and shallow consult a professional. water areas. Shallow land remains flooded Unclog the outlet device more than 5 days after a immediately. _storm event. Plants are dead, diseased or Determine the source of the dying. problem: soils, hydrology, disease, etc. Remedy the problem and replace plants. Provide a ale -time fertilizer application to establish the ground cover if a soil test indicates it is necessary. Best professional practices Prune according to best Professional show [lint pruning is needed practices. to maintain optimal plant health. Sediment has accumulated Search for the source of the and reduced the depth to 75% sediment and remedy the problem if of the original design depth possible. Remove the sediment and of the deep pools. dispose of it in a location where it will not cause impacts to streams or the BN4P. Form SW401-Wetland O&M-Rev.3 Page 2 of 4 BMP element: Potential problem: IIow I will rentediate theproblem: The embankment A tree has started to grow on Consult a dam safety specialist to the embankment. remove the tree. An annual inspection by an Make all needed repairs. appropriate professional shows that the embankment needs re air. Evidence of muskrator Use traps to remove muskrats and beaver activity is present. consult a professional to remove beavers. The micropool Sediment has accumulated Search for the source of the and reduced the depth to 75% of the original design depth. sediment mid remedy the problem if possible. Remove the sediment and dispose of it in a location where it will not cause impacts to streams or the EMP. Plants are growing in the micropool. Remove the plants, preferably by hand. If a pesticide is used, wipe it -device on the plants rather than sprayin . The millet Clogging has occurred. Clean out the outlet device. Dispose of the sediment off -site. The millet device is damn ,ed Repair or replace the outlet device. The receiving water Erosion or other signs of Contact the NC Division of Water damage have occurred at the Quality 401 Oversight Unit at 919- outlet. 733-1786. Ponn SW401-Wetland OR M-Rev.3 Page 3 of 4 Permit Number: (to be provided b), DIVQ) I acknowledge and agree by my signature below that 1 am responsible for the performance of the 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. Project name:State Employees Credit Union -Murfreesboro BAYP drainage area number:I Print name: "fitle:Seuior Executive Vice President Address:1000 Wade Avenue, Raleigh, NC 27605 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. 1, _1G- P-anszk, Notary Public for the State of iV.0 ,County of_lA�,�e. , do hereby certify that personally appeared before me this day of A1OV c. Zy ,e . , c-),olo , and acknowledge the due execution of the forgoing stornnvater wetland maintenance requirements. Witness my hand and official seal, a,'. -Oft 11 C< SEAL My commission Porm W401-Wetland OR A-Kcv.3 Page 4 of 4 NCDEE R North Carolina Department of Environment and Division of Water Quality Natural Resource)AN 31.2011 Beverly Eaves Perdue Coleen H. Sullins Dee Freeman Governor Director Secretary January 26, 2011 -� Mr. Bobby Hall, Senior Exec. Vice President State Employees Credit Union 1000 Wade Avenue Raleigh, NC 27605 Subject: Stormwater Permit No. SW7101203 SECU - Murfreesboro High Density Project Dear Mr. Hall: Hertford County The Washington Regional Office received a complete Stormwater Management Permit Application for SECU - Murfreesboro on December 8, 2010 and additional information on January 26, 2011. Staff review of the plans and specifications has determined that the project, as proposed, will comply with the Stormwater Regulations set forth in Session Law 2008-211 and Title 15A NCAC 2H.1000. We are forwarding Permit No. SW7101203 dated January 26, 2011 for the construction of the subject project. This permit shall be effective from the date of issuance until January 26, 2021 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 Samir Dumpor, or me at (252) 946-6481. S cerel , /AAI AI o ge Regional Supervisor Surface Water Protection Section AH/ sd: K:\WQS\STORMWATER\PERMIT\SW7101203 cc: William Piver, PE, SEPI Engineering & Construction (1025 Wade Avenue, Raleigh, NC 27605) Hertford County Building Inspections Washington Regional Office North Carolina Division of Water Quality Internet: mVm.nQvV'1tcf lvitlily.ol 943 Washington Square Mall Phone: 252-946-6481 One Washington, NC 27889 FAX 252-946-9215 1 orth CCltryoI iia An Equal OpportunitylAthnnetive Action Employer -50%Recycled110% Post Consumer Paper Natur4 l& State Stormwater Management Systems Permit No. SW7101203 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 State Employees Credit Union SECU - Murfreesboro Hertford County FOR THE construction, operation and maintenance of one Wetland Basin, in compliance with the provisions of Session Law 2008-211 and 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 January 26, 2021, 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 in Section 1.7 of this permit. The tract will be limited to the amount of built -upon area indicated in Section I. of this permit, and per approved plans. 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. The built -upon areas associated with this project shall be located at least 50 feet landward of all perennial and intermittent surface waters. The following design criteria have been provided in the Wetland Basins and must be maintained at design condition: Page 2 of 7 State Stormwater Management Systems Permit No. SW7101203 a. b. C. d. e. f. 9• h. k. I. m Drainage Area, ftz: Total Impervious Surfaces, ftZ: Design Storm, inches: Wetland Forebay Depth, feet: TSS removal efficiency: Permanent Pool Elevation, FMS,2: Permanent Pool Surface Areq, ft Permitted Storage Volume, ft : Temporary Storage Elevation, FMSt Controlling Orifice: Permitted Forebay Surface Area, W Receiving Stream/River Basin:UT to Stream Index Number: Classification of Water Body: II. SCHEDULE OF COMPLIANCE 2. 4. Wetland 68,653 48,822 1.5 2.00 85% 88.50 5,927 5,927 89.50 1.25" 0 pipe 767 Banks Branch/Chowan River Basin 25-4-4-5 "C: NSW" 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. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. The permittee shall at all time 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 re -vegetation of slopes and the vegetated filter strip. d. Immediate repair of eroded areas. e. Maintenance of all slopes in accordance with approved plans and specifications. f. Debris removal and unclogging of outlet structure, orifice device, level spreader, filter strip, catch basins and piping. g. Access to the outlet structure must be available at all times. Records of maintenance activities must be kept for each permitted BMP. The records will indicate the date, activity, name of person performing the work and what actions were taken. 5. The permittee shall submit to the Division of Water Quality an annual summary report of the maintenance inspection records for each BMP. The report shall summarize the inspection dates, results of the inspections, and the maintenance work performed at each inspection. Access to the stormwater facilities shall be maintained via appropriate easements at all times. The facilities shall be constructed as shown on the approved plans. This permit shall become void unless the facilities are constructed in accordance with the conditions of this permit, the approved plans and specifications, and other supporting data. 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 Page 3 of 7 State Stormwater Management Systems Permit No. SW7101203 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. 9. 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. 10. 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. 11.. 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. 12. The permittee shall submit final site layout and grading plans for any permitted future areas shown on the approved plans, prior to construction. 13. A copy of the approved plans and specifications shall be maintained on file by the Permittee at all times. III. GENERAL CONDITIONS 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 completed Name/Ownership Change form, to the Division of Water Quality, signed by both parties, and accompanied by supporting documentation as listed on page 2 of the form. The project must be in good standing with the Division. 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. 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. 4. The issuance of this permit does not preclude the Permittee from complying with Page 4 of 7 State Stormwater Management Systems Permit No. SW7101203 any and all statutes, rules, regulations, or ordinances, which may be imposed by other government agencies (local, state, and federal) having 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 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. The permit issued shall continue in force and effect until revoked or terminated. The permit may be modified, revoked and reissued or terminated for cause. The filing of a request for a permit modification, revocation and re -issuance or termination does not stay any permit condition. 8. 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. 9. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. 10. The issuance of this permit does not prohibit the Director from reopening and modifying the permit, revoking and reissuing the permit, or terminating the permit as allowed by the laws, rules and regulations contained in Session Law 2008- 211, Title 15A NCAC 21-1.1000, and NCGS 143-215.1 et.al. 11. The permittee shall notify the Division of any name, ownership or mailing address changes at least 30 days prior to making such changes. 12. This permit shall be effective from the date of issuance until January 26, 2021. Application for permit renewal shall be submitted 180 days prior to the expiration date of this permit and must be accompanied by the processing fee. Permit issued this the 26th day of January, 2011. LINA ENVIRONMENTAL MANAGEMENT COMMISSION for Division of Water Quality By Authority of the Environmental Management Commission Stormwater Permit No. SW7101203 Page 5 of 7 State Stormwater Management Systems Permit No. SW7101203 SECU - Murfreesboro Stormwater Permit No. SW7101203 Hertford County Designer's Certification I, , 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 y Page 6 of 7 State Stormwater Management Systems Permit No. SW7101203 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. 9. 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 Washington Regional Office Hertford County Building Inspections Page 7 of 7