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HomeMy WebLinkAboutSW7060816_CURRENT PERMIT_20201104STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. DOC TYPE CURRENT PERMIT ❑ APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE 2Ad mq`i YYYYM M DD Wm 9"40 ROY COOPER Covemor MICHAEL S. REGAN Secretary BRIAN WRENN Director NORTH CAROLINA Environmental Quality November 4, 2020 Currituck County Schools Attention: Mr. Matthew D. Mullins, Director of Facilities 2958 Caratoke Highway Currituck, NC 27929 Subject: Stormwater Permit No. SW7060816 Renewal Jarvisburg Elementary School High Density Project Currituck County Dear Mr. Mullins: The Washington Regional Office received a Stormwater Management Permit Application for renewal of the subject permit on October 7, 2020. Staff review of the application has determined that the permit can be reissued. We are forwarding Permit No. SW7060816 dated November 4, 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 4, 2021 until January 3, 2029 and shall be subject to the conditions and limitations as specified therein, and does not supersede 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, :r Roger K. Thorpe Environmental Engineer North Carolina Deparnnent of Environment lQuality i Dni ion or Eneigv MLeral and Lind Qesources T Washington Regional Office 913 Washington Square Mall "Vahmgton Not Ca, ohn' 27 H69 U/ awnmm �icm�—u 25=946.6$31 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 Currituck County Schools Jarvisburg Elementary School Located at 110 Jarvisburg Road, Jarvisburg, NC Currituck 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 Energy, Mineral, and Land Resources (Division) and considered a part of this permit. This permit shall be effective from January 4, 2021 until January 3, 2029, 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. This stormwater system has been approved for the management of stormwater runoff as described on page 2 of this permit, the Project Data Sheet. 3. A maximum of 4.81 acres of built upon area is allowed on this 45.2 site. 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 approved plans. 5. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. M PROJECT DATA SHEET Project Name: Jarvisburg Elementary School Permit Number: SW7060816 Location: Currituck County Applicant: Currituck County Schools Receiving Stream: LIT to Currituck Sound Classification of Water Body: Sc Total Site Area: 45.2 ac Drainage Area to Basin: 9.15 ac Total Impervious: 4.81 ac Infiltration Basin Depth: 3.0 feet Required Storage Volume: 20,604 cf Provided Storage Volume: 151,268 cf Bypass Overflow Elevation: 9.0 feet 6. 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. 7. The following items will require a modification to the permit: a. Any revision to the approved plans, regardless of size b. Project name change C. Transfer of ownership d. Redesign or addition to the approved amount of built -upon area e. Further subdivision of the project area. In addition, the Director may determine that other revisions to the project should require a modification to the permit. 8. The Director may notify the permittee when the permitted site does not meet one or more of the minimum requirements of the permit. Within the time frame specified in the. notice, the permittee shall submit a written time schedule to the Director for modifying the site to meet minimum requirements. The permittee shall provide copies of revised plans and certification in writing to the Director that the changes have been made. II. SCHEDULE OF COMPLIANCE The 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. 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: 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 the Division. 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 Energy, Mineral, and Land Resources. 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 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 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, 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. 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. This permit shall be effective from January 4, 2021 until January 3, 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 4th day of November 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 SW7060816 -19FM1-K IJSF ON[ Y Date Received Fee Paid Permit Number NC DEQ Division of Energy, Mineral and Land Resources STATE STORMWATER: PERMIT RENEWAL APPLICATION FORM RECEIVED OCR 0 7 2020 In accordance with 15A NCAC 2H.1045(3), 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 2011-398 (SB 781) Section 60.(c). This application form is for permit renewals only. A. PROJECT INFORMATION 1. State Stormwater Permit Number: 1 l UV l V(D U;S I (r 2. Projectname: ��lti"Ul�llIi)(�rG I;�('IYt�'61�G16U SC' 10C)l 3. Project street address: i i lJ i (� Iv'j �7I,C (Gj ��'� (( City: ) is Y lil S hi,(1'U � County: I 1-Id LIB ZIP 1 7'1 `�� � J 4. What, if any, changes have been made to the project as permitted? N I A If the project has changed from the original approved plans, please complete SWU-101 fora Major Modification or Minor Modification Application form available at: https://deg.nc.gov/abouUdivisions/ener {_ _ mineral-land-resources/energy-m i neral-la nd-rules/stormwater-prog ramipost-construction. B. PERMITTEE INFORMATION If changes to the permittee or project name have been made, please complete either the Permit Update form or the Permit Transfer form available at: https://deg.nc.gov/about/divisions/energy-mineral-land- resources/energy-mineral-land-rules/stormwater-program/post-construction. State Stormwater Permits do not automatically transfer with the sale of the property. 1. Current Permit Holder's Company Name/Organization: ftt r f 1t U ( k Cut (`I (I j (.hloo S 2. Signing Official's Name: i Iv�(.1'ii�1t UU �. INfL�1 Ias {{ 3. Signing Official's TitlYY]] 1J�1 e:Et (n�Y FROlfil SI V0�AII11( I�� �(� 2r Irp..11S 1)(;I' I(� ,l i(fl' 4. Mailing Address: 1::5' i t ,i.i'rkA'(,U HICAwAw City: 1 Miii, f i TU (.IC State: N C, zip 5. Street Address:,Fk �1` S fd;t�CITU�� ��Iu�1��UCIU SOCI. A City: ( UI 1,1 -f-�� J State: zip 6. Phone: (T-) Email: YYlY1r)WhV1S &1(,u-rYl rl,((k. L Q. VIC Lk ex{- tuJK;i, Stormwater Permit Renewal Form Page 1 of 3 May 11, 2018 C. SUBMITTAL REQUIREMENTS Submit the application package to the appropriate DEMLR Regional Office (Coastal, SA Waters) or DEMLR Central Office (Urbanizing Areas Ph 2, USMP, Non -Coastal HQW/ORW). 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: 1. A permit application processing fee of $505.00 payable to NCDEQ. \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. 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. O&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�KI 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. Desr 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. OAL 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. t I (k 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). https://www.sosnc.gov/online services/search/by title/ Business Registration Stormwater Permit Renewal Application Form Page 2 of 3 May 11, 2018 D. PERMITTEE'S CERTIFICATION IN.}}kcw D . k1 q; k c, —,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 DEMLR 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. / / ��:S.►�%%'a Date: AFACO NOTARIZATION: 1, hbeccG 1 County of a Notary Public for the State of do hereby certify that IA0, LrJtW U. IVt U t I IV) j personally appeared before me this the I Ut" day of 'Se'Qi:. b'tr 20 Q-0 , and acknowledge the due execution of the forgoing instrument. Witness my hand and official seal, (Notary Seal) Notary Signature: My commission expires 051131 aoay DA ,`GpP•....U(3y . gym. �OTARy 1"N COON�y Stormwater Permit Renewal Application Form Page 3 of 3 May 11, 2018 Quible Quible & Associates, P.C. Po Drawer e70 Kitty Hawk NC 27949 ENGINEERING • ENVIRONMENTAL SCIENCES • PLANNING • SURVEYING Phone'. 252 261-3300 SINCE 1959 Fax252-261-12W PRINCIPALS Sean C. Boyle, P.E. Joseph S. Lassiter. C.E.P Eduardo J. Voldtvieso. P.E. ASSOCIATES November 5, 2008 Joseph . All PE. Katherine C. Marchello, IS. Mr. Roger Thorpe NCDENR Division of Witter Quality 943 Washington Squarc Mall Witshington, North Carolina 27889 Re: Engineer'sCeritilication Jarvisburg Elementary School Stormwater Permit No. SW7060816 Jarvisburg, Currituck County Dear Mr. Thorpe: Attached, please find it Stonmvater Management Designet's Certification for the Jarvisburg Elementary School in .larvisburg, NC. If you have any questions, or require any additional information, please do not hesitate to contact me at (252) 261-3300. Sincerely, Quible ssal oces, P.C. avid eel enc: as stated cc: Mr. Bruce MacDonald, Currituck Couni Public Schools NOV 0 B 2008 DWO-WAR0 Jarvisburg Elementary School - Currituck County Stormwater Permit No. SW7060816 Designees Certification P. C 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, Iory��rmP,niru (Project) for_Cor6iiwi (,,,u,}v Rn ,fir 5CIrY)15 (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. Signature Registration Number Date Certification Requirements: N\h 1. The drainage area to the system contains approximately the permitted acreage. DL�L2. The drainage area to the system contains no more than the permitted amount of built -upon area. 0AG 3. All the built -upon area associated with the project is graded such that the runoff drains to the system. �l 4. All roof drains are located such that the runoff is directed into the system. The outlet/bypass structure elevations are per the approved plan. 6. The outlet structure is located per the approved plans. (..7. All slopes are grassed with permanent vegetation. i)L-8. Vegetated slopes are no steeper than 3:1. M 9. The permitted amounts of surface area and/or volume have been provided. REU�I �/ IED �1tN !� y. ) 10. ISsT All required design depths are provided. NOV 0 8 2(?W M-11. All required parts of the system are provided including any vegetated filter. �12. (� The required system dimensions are provided per the approved plans. ®WO-1 °/AR0 i Permit No. State of North Carolina (ro be provided by DWQ) Department of Environment and Natural Resources Division of Water Quality STORMWATER MANAGEMENT PERMIT APPLICATION FORM INFILTRATION BASIN SUPPLEMENT This form may he photocopied for use as an original DWO Stonnwater Management Plan Review A complete stormwater management plan submittal includes a stormwater management permit application, an infiltration basin supplement for each system, design calculations, soils report and plans and specifications showing all stormwater conveyances and system details. I. PROJECT INFORMATION Project Name: / 5G , Contact Person: DO11 � n�p� p F Phone Number: f252)26/- s�nr7 This worksheet applies to: Basin No. in Drainage Area / (as identified on plans) (%rom Form SWU-/0/J II. DESIGN INFORMATION - Attach supporting calculations/documentation. The soils report must be based upon an actual field investigation and soil borings. County soil maps are not an acceptable source of soils information. All elevations shall be in feet mean sea level (fmsl). Soils Report Summary Soil Type �n Infiltration Rate 2 o inA r or ef/hr/sf (circle appropriate units) SI1 WT Elevation _ 4 Q fmsl (.Seasonal Nigh Water Table elevation) Basin Design Parameters Design Storm inch (1.5 inch eventfor.SA waters, I inch event for others) Design Volume 20 604- c.f. Drawdown Time 0 7S days Basin Dimensions Basin Size 310 ft. x 40 9 ft. _ _2E,/48 sq.ft. (bottom dimensions) Basin Volume Provided 1 I ZF A c.f i � tr�rnct� w 1cf f (n Basin Elevations JJ Bottom Elevation 6.0 fnsl Storage Elevation 4 0 fmsl Top Elevation I0 O fmsl Form SWU-103 Rev 3.99 Page l of 3 III. REQUIRED ITEMS CHECKLIST The following checklist outlines design requirements per the Stormwater Best Management Practices Manual (N.C. Department of Environment, Health and Natural Resources, February 1999) and Administrative Code Section: 15 A NCAC 2H .1008. Initial in the space provided to indicate that the following design requirements have been met and supporting documentation is attached. If the applicant has designated an agent in the Stormwater Management Permit Application Form, the agent may initial below. Attach justification if a requirement has not been met. Applicants Initials 17Ab a. b. c. t-1LC1.t� d. e. System is located 50 feet from class SA waters and 30 feet from other surface waters. System is located at least 100 feet from water supply wells. Bottom of system is at least 2 feet above the seasonal high water table. Bottom of the system is 3 feet above any bedrock or impervious soil horizon. System is not sited on or in fill material or DWQ approval has been obtained. f. System is located in a recorded drainage easement for the purposes of operation and maintenance and has recorded access easements to the nearest public right-of-way. " PriuGtefy oUuhedCA11aMO,1,Jal ed a sfe,h local 01 .pvo)ecf open mace. g. Drainage area for the d vice is less that 5 acres. � (i31., is SI hillcanll overAred to wligala larg9e drainage avea, Flawdrofrvbuflu^ Provided fL+ioe��Gnu} 1Ja5f.v h. Soils have a minimum ydraulic conductivity of 0.52 inches per hour and soils report is attached. Df�D System captures and infiltrates the runoff from the first 1.0 inch of rainfall (1.5 inch event for areas draining to SA waters ). Design volume and infiltration calculations attached. nl� j. System is sized to take into account the runoff at the ultimate built -out potential from all surfaces draining to the system, including any off -site drainage. Calculations attached. k. All side slopes stabilized with vegetated cover are no steeper than 3:1 (H: V). A pretreatment device such as a catch basin, grease trap, filter strip, grassed Swale or sediment trap is provided. in. Bottom of the device is covered with a layer of clean sand to an average depth of 4 inches or dense vegetative cover is provided. N %A I n. Vegetated filter is provided for overflow and detail is shown on plans (Required minimum length is 50 feet for SA waters, 30 feet for other waters). W nli110a}ed by si n llcun}�overslz�e( f�zaln. n� o. Flow distribution mechanism within the basin is provided. DK) p. A benchmark is provided to determine the sediment accumulation in the pretreatment device. WA y — q. Runoff iq exceess of the design volume bypasses off-line systems (bypass detail provided). SAD r. Ssystetir�is ddes5g ed to nrafw down he des gn storage volume to the proposed bottom elevation under seasonal high water conditions within five days. A soils report and all DnND� pertinent draw -down calculations are attached. s. Plans ensure that the installed system will meet design specifications (constructed or restored) upon initial operation once the project is complete and the entire drainage area is stabilized. Forin SWU-103 Rev 3.99 Page 2 of 3 IV. INFILTRATION BASIN OPERATION AND MAINTENANCE AGREEMENT 1. After every runoff producing rainfall event and at least monthly inspect the infiltration system for erosion, trash accumulation, vegetative cover, and general condition. 2. Repair eroded areas immediately, re -seed as necessary to maintain adequate vegetative cover, snow vegetated cover to maintain a maximum height of six inches, and remove trash as needed. 3. After every runoff producing rainfall event and at least monthly inspect the bypass, inflow and overflow structures for blockage and deterioration. Remove any blockage and repair the structure to approved design specifications. 4. Remove accumulated sediment from the pretreatment system and infiltration basin annually or when depth in the pretreatment unit is reduced to 75% of the original design depth. The system shall be restored to the original design depth without over -excavating. Over -excavating may cause the required water table separation to be reduced and may compromise the ability of the system to perform as designed. Removed sediment shall be disposed of in an appropriate manner and shall not be handled in a manner that will adversely impact water quality (i.e. stockpiling near a stonnwater treatment device or stream, etc.). A benchmark shall be established in the pretreatment unit. The benchmark will document the original design depth so that accurate sediment accumulation readings can be taken. The measuring device used to determine the depth at the benchmark shall be such that it will give an accurate depth reading and not readily penetrate into accumulated sediments. 6. %S -Wpm DM#1e#.3 When the design depth reads 5-DepiA BM#z feet in the pretreatment unit, the sediment shall be removed from both the pretreatment unit and the infiltration basin. 5. If the Division determines that the system is failing, the system will immediately be repaired to original design specifications. I f the system cannot be repaired to perform its design frtnction, other stormwater control devices as allowed by NCAC 2H .1000 must be designed, approved and constructed. 1 acknowledge and agree by my signature below that I am responsible for the performance of the five 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 and Title t Phone: 2 NOW The legally responsible parry 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. 4-L-=- 1, , a Notary Public for the State of 1 C ,County of do hereby certify that personally appeared before me this /� day of , �, and acknowledge the due execution of the forgoing infiltration basin maintenance requirements. Witness my hand and official seal, \�ys'�VXXA anrn„� SEAL maw^'yVET?E ^�ror �.^. •�.•••• _•.y . ,'• Np •--:tip: _cn`r Form StB+.$ev 3.99 •, 'G. My commission expires + Zy p/D Page 3 of 3