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HomeMy WebLinkAboutSW8020913_HISTORICAL FILE_20040129STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT N0. SW_z�� DOC TYPE El CURRENT PERMIT ❑ APPROVED PLANS HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE .F�J4�C)�alg YYYYMMDD January 28, 2004 Dear Mr. Beecher. JAN 2 9 2004 We have taken the appropriate action to correct each deficiency in the notice of inspection and non-compliance report (Storm -water Project No. SW8 020913). We have installed a trash rack on top of the outlet structure and will fasten it to the structure. We are also in the process of .sewing more grass seed on the bare areas of the slopes of the pond Thank you for your work in helping us to be in compliance with any and all regulations concerning our retention pond If you have any questions, please contact me at 910-512-5840. In His sere' e, . j /� ,c. e . 4't Pastor David C. Braddy 1-4 rr State Stormwater Management Systems Permit No. SW8 020913 Modification 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 David C. Braddy, Pastor Cape Fear Baptist Church New Hanover County FOR THE construction, operation and maintenance of a wet detention pond 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 April 3, 2003, and shall be subject to the following specified conditions and limitations: 1. DESIGN STANDARDS This permit is effective only with respect to the nature and volume of stormwater described in the application and other supporting data. 2. This stormwater system has been approved for the management of stornwater runoff as described on page 3 of this permit, the Project Data Sheet. The stormwater control has been designed to handle the runoff from 31,268 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. 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. A permit modification must be submitted and approved prior to the construction of additional built -upon area from outside of the approved drainage area. State Stormwater Management Systems Permit No. SW8 020913 DIVISION OF WATER QUALITY PROJECT DESIGN DATA SHEET Project Name: Cape Fear Baptist Church Permit Number: SW8 020913 Modification Location: 7500 Carolina Beach Road, New Hanover County Applicant: David C. Braddy, Pastor Mailing Address: Cape Fear Baptist Church PO Box 705 Carolina Beach, NC 28428 Application Date: April 2, 2003 Receiving Stream/River Basin/Index #: Snows Cut / Cape Fear / CPF24 18-87-31.5 Classification of Water Body: "SC" Drainage Area, acres: 1.2 Onsite: 1.2 Offsite: 0 Total Impervious Surfaces, sq. ft.: 31,268 Pond Depth, feet: 3.0 TSS removal efficiency: 90% (no filter is required) Permanent Pool Elevation, FMSL: 11.20 Permitted Surface Area, sq. ft.: 4,883 @Permanent Pool Permitted Storage Volume, cubic feet: 3,681 Temporary Storage Elevation, FMSL: 11.9 Controlling Orifice: 0.75" diameter (drawdown in 2-5 days) Permitted Forebay Volume, cubic feet: 2,213 3 State Stormwater Management Systems Permit No. SW8 020913 I1. SCHEDULE OF COMPLIANCE The stonnwater management system shall be constructed in it's 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. e. 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. Access to the outlet structure must be available at all times. 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. Decorative spray fountains will not be allowed in the stormwater treatment system. 6. 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. 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 maybe required for those deviations. 8. 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. 9. The pennittee 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, or sale 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. 4 State Stormwater Management Systems Permit No. SW8 020913 10. The permittee shall submit final site layout and grading plans for any permitted future areas shown on the approved plans, prior to construction. If the proposed BUA exceeds the amount permitted under this permit, a modification to the permit must be submitted and approved 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 construction. 12. Prior to the sale or lease of any portion of the property, the permittee shall notify DWQ and provide the name, mailing address and phone number of the purchaser or leasee. An access/maintenance easement to the stormwater facilities shall be granted in favor of the permittee if access to the stormwater facilities will be restricted by the sale or lease of any portion of the property. 13. The permittee must maintain compliance with the proposed built -upon area and ensure that the runoff from all the built -upon is directed into the permitted system. 14. The Director may notify the pennittee 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 pennittee 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. 15. The permittee must maintain the current permitted drainage area. No additional runoff from outside of the permitted drainage area boundary may enter the permitted stormwater facilities without first applying for and receiving a permit modification. Ill. GENERAL CONDITIONS This permit is not transferable to any person or entity unless approved by the Director. In the event of a change of owership, 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 pennittee is responsible for compliance with all permit conditions until such time as the Division approves the transfer request. 2. Failure to abide by the conditions and limitations contained in this permit may subject the Penmittee 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) 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. 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. 5 State Stormwater Management Systems Permit No. SW8 020913 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. 9. The permittee shall notify the Division any name, ownership or mailing address changes within 30 days. Permit issued this the 3Td day of April, 2003. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION Alan W. Klimek, P.E.; Director Division of Water Quality By Authority of the Environmental Management Commission 2 J TRIPP ENGINEERING, P.C. 19 Chestnut Su -eel Wilmington, ti'orth C.u-ohna 28401 Phone: (910) 763-5100 • FAX: (910) 763-5631 April 2, 2003 NCDENR Division Water Quality 127 Cardinal Drive Wilmington, NC 28405-3845 Attn: Ms. Linda Lewis Re: Cape Fear Baptist Church SW8 02090 Modification New Hanover County, NC TE 02074 Dear Linda: C APR 0 2 Z003 We have explained the future maintenance concerns to the owner and contractor. They request to keep the pond depth at 3' due to soil conditions. We have adjusted page 3 of the wet pond supplement to reflect the 3' Please contact us with any questions, comments or if you need additional information. Thank you. Sincerely, Tripp Engineering, P.C. 0" 1 - Charles D. Cazier, . . CDC:dcb Enc. P . 1 COMMUNICATION RESULT REPORT ( APR. 5.3003 10:56AM ) TTI NCDENR WIRO FILE MODE OPTION ADDRESS (GROUP) RESULT PAGE -------------------------------------------------------------------------------------------------- 403 MEMORY TX 9-7635631 OK P. 1/1 REASON FOR ERROR E-1) HANG UP OR LINE FAIL E-3) NO ANSWER E-3) BUSY E-4) NO FACSIMILE CONNECTION d�F WATfiG Michael F, Easley, Governor William G. Ross Jr., Secretary r North Carolina Department of Environment and Natural resources Alan W. Klimek, P.E. Director Division of water duality FAX COVER SBEET Date: April 2, 2003 To: Phil Tripp, P.E. Company: Tripp Engineering FAX #: 763-5631 No, of Pages: 4 0 From: Linda Lewis Water Quality Section . Stormwater FAX # 910-350-2004 Phone # 910-395-3900 DWQ Stormwater Project Number: SW$ 020913 Modification Project Name: Cape Fear Baptist Church MESSAGE: Phil: Please revise page 3 of the wet pond supplement to show a sediment removal elevation at the bottom. The permanent pool depth may never be less than 3', so the 2,25' specified will need to be revised to 3. A three foot pond depth requires more frequent maintenance because there is no sediment accumulation allowed, The church will be cleaning out the pond every 6 months vs, every two or three years, Please consider �0� \NATE�Q Michael F. Easley, Governor yWilliam G. Ross Jr., Secretary r North Carolina Department of Environment and Natural Resources D Alan W. Klimek, P.E. Director Division of Water Quality FAX COVER SHEET Date: April 2, 2003 To: Phil Tripp, P.E. Company: Tripp Engineering FAX #: 763-5631 No. of Pages: 1 AP -,,- From: Linda Lewis Water Quality Section - Stormwater FAX # 910-350-2004 Phone # 910-395-3900 DWQ Stormwater Project Number: SW8 020913 Modification Project Name: Cape Fear Baptist Church MESSAGE: Phil: Please revise page 3 of the wet pond supplement to show a sediment removal elevation at the bottom. The permanent pool depth may never be less than 3', so the 2.25' specified will need to be revised to 3'. A three foot pond depth requires more frequent maintenance because there is no sediment accumulation allowed. The church will be cleaning out the pond every 6 months vs. every two or three years. Please consider using a 3.5' design depth. S:1WQSISTORMWATIADDINFO\20031020913.apr03 N. C. Division of Water Quality 127 Cardinal Drive Extension (910) 395-3900 Customer Service .,.�� Wilmington Regional Office Wilmington, NC 28405 (910) 350-2004 Fax 1 800 623-7748 N C D IfN1- 3/17/2003 Cape Fear Baptist Church 02074 CDC Stormwater Calculations Total Drainage Area s . ft. acres 52,272 1.20 Impervious Area Land Use s . ft, acres buildin 8,050 0.18 22,456 0.52 ,asphalt concrete 762 0.02 Total 31,268 0.72 Stormwater Calculations: Time of Concentration: Hydraulic Length (L) = 350 ft. hange in Height (H) = 2 ft. Tc = (L' IH )'1 128 5.19 min. Flow for 10 year, 6 hour Storm (Q10): QPRE _ (CPRE) x (110) x (Area) 1.89 cfs QPosT = (CPasT) x (110) x (Area) 5,07 cfs Detention Pond Design: Pond Size: Elevation ft. Surface Area (sq. ft. Normal Pool 11.20 4,883 Flood Pool 11.90 5,634 To of Bank 13.50 7,458 Bottom of Pool 8.20 2,769 Total Provided Storage Volume: Vol. _ [(Normal pool SA + Flood Pool SA) ! 21 x (F.P. elev. - N.P. elev.) — 3,681 cu, ft. % impervious = 0.598 say 60.0% CPRE = 0.25 CPosT = (% imp.)(.95)+(1-% imp.)(.25) 0.67 11❑ = 6.30 inlhr 150 = 7.79 inlhr Flow for 50 year, 6 hour Storm (Q50): QPRE — (CPRE) x (114) x (Area) = 2.34 cfs QPosT = (QPosT) x (1i0) x (Area) = 6.26 cfs State Surface Area Ke uirement at normalpool: Pond side slopes = 3 :1 Depth below N.P. = 3 ft. SA/DA = 0.0700 (Chart for 90% TSS Removal for Wet Detention Pond without Vegetative Filter) Required SA = (SA/DA) x (Total Drainage Area) = 3,659 sq. ft, State Volume Requirement for Storage of first 1" runoff Vol. _ [(1112) x (DA) x (% imp.)] + [(1112) x (DA) x (1-% imp.) x C] C=02 — 2,956 cu. ft. 02074POND 1 of 13•0.05 3/17/2003 Cape Fear Baptist Church 02074 CDC Stormwater Calculations Pond Volume: Bottom SA = 2,769 sq. ft. Normal Pool SA = 4,883 sq. ft. Vol. _ [(N.P. SA + Bottom SA) / 2] x (N.P. el. - Bottom el.) = 11,478 cu. ft. Forebay: Required Volume Vol. = 20% of storage volume 2,296 cu. ft. Provided Volume Bottom SA = 198 sq. ft. Normal Pool SA= 1,277 sq. ft, Vol. _ [(N.P SA + Bottom SA) / 2] x (N.P. el. - Bottom el.) 2,213 cu. ft. depth = 3 ft. Outlet Structure Design: Flow for 2-day drawdown: far 1 st 1" of stormwater, Q = Required Vol. / 172,800 sec. (2-days) = 0,017 cfs RC u11Cu MICE U1 r 1 G IUI 4-UOY u1cmu Umi. A= Q/[CdxSQRT(2xgxh)] Cd = 0.6 g = 32.2 ft./sz h = (F.P. elev.- N.P, elev.) /2 = 0.35 ft. A = 0.0060 sq. ft. Diameter of Pioe for 2-dav drawdown DIA. = SQRT[(A x 4) / pi] 0.0874 ft. 1.05 in. Use .75" orifice Outlet Structure Check: Using a 4' x 4' Basin, Perimeter (L)_=_ 16 ft. Q = CIA C = (% imp.)(.95) + (1-% imp.)(.25) = 0.67 1 = 6.30 in. for a 10 yr. Storm A = 1.20 Acres = 5.07 cfs Flow for 5-day drawdown: for 1st 1" of stormwater, Q = Required Vol. 1432,000 sec. (5-days) = 0.007 cfs KepUlrea Area or ripe ror 5-dav drawdown A= Q/ [Cd x SQRT(2 x g x h)] Cd = 0.6 g = 32.2 ft./sz h = (F.P. elev. - N.P. elev.) / 2 = 0.35 ft. A = 0.0024 sq. ft. Diameter of Pipe for 5-day drawdown: DIA. = SQRT[(A x 4) / pi] = 0.0553 ft. 0.66 in. Q= CwxLxH' H = (Q / (Cw x L)ff3 Cw = 3 0.22 ft. Peak elevation = flood pool elevation + H 12.12 ft. 02074POND 2 of 2 TRIPP ENGINEERING, P.C. 2119 C11l:SMUt Street \1lilitiiiigton. Nol'tll C.iroliii.l 284101 Phone: (910) 763-5100 • FAX: (910) 763-5631 RECEIVE— March 24, 2003 MAR 2 6 2003 NCDENR BY: Division Water Quality 127 Cardinal Drive Wilmington, NC 28405-3845 Attn: Ms. Linda Lewis Ile: Cape Fear Baptist Church SW8 020913 Modification New Hanover County, NC TE 02074 Dear Linda: Enclosed please find two (2) sets of revised plans, pages 1 and 3 of the wet detention basin supplement, and two (2) sets of calculations for the above referenced project. Please replace the previously submitted items in your review as the pond has been modified. Please review for approval and contact us with any questions, comments or if you need additional information. Thank you. Sincerely, Tripp Engineering, P.C. C4U - - Charles D. Cazier, . . CDC:dcb Enc. Job No. CE—Q j '1 TRIPP ENGINEERING, P.C. U ��(.1,( 419 Chestnut Street, Wilmington, NC 28401 N 2 8. 2g03 Phone: (910) 763-5100 • FAX: (910) 763-5631 Email; trippeng@ec.rr.com LETTER OF TRANSMITTAL To: Attention: L1 _'o dr; W-&J 1, S Subject: C P . �- �g4l, rJf7�4�- Chi) ,— k�%0? 0�� •�7C FAX TRANSMITTAL: NUMBER OF PAGES INCLUDES COVER I am sending you: (-,)--ATi'ACHED ( ) UNDER SEPARATE COVER ( ) Prints ( ) Tracings ( ) Copy of letter ( ) Specifications ( ) Other Copies - Item No. Description / _._ A 1-12-0 These are transmitted as checked below: ( ) For Approval ( ) For Your Use ( } Sign & Return ( ) Review Remarks: cc: Signed: I - fe—6_ FILE MODE -------------- 938 MEMORY TX * * * COMMUNICATION RESULT REPORT ( JA11.17.2003 OPTION ---------------------------------------- REASON FOR ERROR E-1) HANG UP OR LINE FAIL E-3) NO ANSWER ADDRESS (GROUP) --------------- 9-763SG31 P. 1 1:40PM ) TTI NCDENR WIRO RESULT PAGE ----------------------------- OK P. 1111 E-2) BUSY E--4) NO FACSIMILE CONNECTION 0 p Michael F. Easley, Governor �- North C8r011na Department of Environment G. Na�u'ralrResourrces ~C Alan W. Klimek, P.E., Director Divislon bf Water Quality Wilmington Regional Office FAX COVER SHEET Date: January 17 2003 To: Phil Tripp,VE. No. of Page: 1 Company: Trip,pp Piigi-neerin From: Linda Lewis APLI FAX #; 763-Sb31 Water Quality Section - Stormwater FAX # 910-350-2004 Phone # 91 O,395-390o DWQ Stormwater Project Number: SW$ 020913 Mod Project Name: tape Fear Baptist Church I'IESSAGE: Dear Phil; I received the modifi' applications for the provided, subject project, but no application fee ($420.04) was In order to accept th i applications, please provide the fee. 1 �oF W ATF'q �O v Michael F. Easley, Governor William G. Ross, Jr., Secretary North Carolina Department of Environment and Natural Resources Alan W. Klimek, P.E., Director Division of Water Quality Wilmington Regional Office FAX COVER SHEET Date: January 17, 2003 No. of Pages: 1 To: Phil Tripp, P.E. From: Linda Lewis Company: Tripp Engineering Water Quality Section - Stormwater FAX #: 763-5631 FAX # 910-350-2004 Phone # 910-395-3900 DWQ Stormwater Project Number. SW$ 020913 Mod Project Name: Cape Fear Baptist Church MESSAGE: Dear Phil: I received the modified application for the subject project, but no application fee ($420.00) was provided. In order to accept the application, please provide the fee. S:1WQSISTORMWATIADDINFO120031.JAN03 N.C. Division of Water Quality 127 Cardinal Drive Extension Wilmington, N.C. 28405 (910) 395-3900 Fax (910) 350-2004 �A WC-bENR Customer Service 800-623-7748 TRIPP ENGINEERING} P.C. / 19 Chestnut tit r� et Wilmington, North Carolina 28401 Phonc: (910) 763-5100 • FAX: (910) 763-5631 January 8, 2003 NCDENR Division Water Quality 127 Cardinal Drive Wilmington, NC 28405-3845 Attn: Ms. Noelle Lutheran Re: Cape Fear Baptist Church New Hanover County, NC TE 02074 Dear Noelle: RECEIVED JAN 0 9 2003 BY: �\ Enclosed please find two (2) sets of plans, one (1) signed original and one (1) copy of the application form, one (1) wet detention basin supplement, and two (2) sets of calculations for the above referenced project. We are requesting a modification to existing permit SW8 020913. Please review for approval and contact us with any questions, comments or if you need additional information. Thank you. Sincerely, Tripp Engineering, P.C. JeAp*( 'P-�4L Jennifer Rohde JLR:dcb Eric. TRIPP ENGINEERING, P.C. 419 Chestnut Street Wilmington, North Carolina 28401 Phone: (910) 763-5100 • FAX: (910) 763-5631 September 12, 2002 NCDENR Division Water Quality 127 Cardinal Drive Wilmington, NC 28405-3845 Attn: Ms. Linda Lewis Re: Cape Fear Baptist Church New Hanover County, NC TE 02074 Dear Linda: RECEIVED SEP 13 2002 BY:_ Enclosed please find two (2) sets of plans, one (1) signed original and one (1) copy of the application form with narrative, one (1) wet detention basin supplement, two (2) sets of calculations and one check for the application fee. Please review for approval and contact us with any questions or comments. Thank you. Sincerely, Tripp Engineering, P.C. Jenny Alexander .i'EA:dcb Enc. September 12, 2002 Stormwater Narrative Cape Fear Baptist Church New Hanover County, NC TE 02074 The Cape Fear Baptist Church is a vacant 1.2 acre tract. A church facility with 3,860 sf of building, 22,820 sf of parking and 480 sf of concrete sidewalks is proposed. The total site impervious is 52.3%. Stormwater will be treated by wet detention. The pond is designed to exceed the State's F requirement and the County's pre -post requirement. Outflow will be routed to Snows Cut, classification SC. h n r d d o m r n I. S e r bar k j o d r+ e i f s. F,1 1189 CAPE FEAR BAPTIST CHURCH P.O. BOX 705 + ; CAROLINA BEACH, NC 28428 , 66-301531 DATE 7 r U 453 PAYTO THE ORDER I — Q DOLLARS n �i r �{ FIRST RST CITIZENS - f '. Fircl-CBark 7rusl Company ilrzans Ba �S � K Sw pnrl, N C, 2846I �q www.firstcitizens.com14 FOR,,,t r `,1�� rr 10001189114 .❑ � 9/11 /2002 CDC Cape Fear Baptist Church Stormwater Calculations 02074 Total Drainage Area s . ft. acres 52,272 1.20 Impervious Area Land Use s q. ft. acres buildino 4,040 0.09 asphalt 22,820 0.52 concrete 480 0.01 Total 27,340 0.63 Stormwater Calculations: Time of Concentration Hydraulic Length (L) = 350 ft, change in Height (H) = 2 ft. Tc = (L' /H)-�"'° / 128 = 5.19 min. Flow for 10 year, 6 hour Storm (Q,o): QPRE _ (CPRE) x 010) x (Area) 1.89 cfs QposT = (CposT) x (110) x (Area) 4.69 cfs Detention Pond Design. Pond Size: Elevation ft. Surface Area (sq. ft. Normal Pool 11.20 4,870 Flood Pool 12,20 5,764 Top of Bank 13.20 6,687 Bottom of Pool 4.20 45 Total Provided Storage Volume: Voi. _ [(Normal pool SA + Flood Pool SA) / 2] x (F. P. elev. - N. P, elev, ) 5,317 cu. ft. % impervious = 0.523 = 52.3% say 53.0% CPRE = 0.25 CposT = (% imp.)(.95)+(1-% imp,)(.25) = 0.62 110 = 6.30 in/hr 150 = 7.79 in/hr Flow for 50 year, 6 hour Storm (%cj): QpRE - (CPRE) x (110) X (Area) = 2.34 cfs QPOST (CPOST) x (110) x (Area) = 5.80 cfs State Surface Area Reauirement at normal pool: Pond side slopes = 3 :1 Depth below N.P. = 7 ft, SA/DA = 0.0205 (Chart for 90% TSS Removal for Wet Detention Pond without Vegetative Filter Required SA = (SA/DA) x (Total Drainage Area) 1,072 s . ft. State Volume Requirement for Storage of first 1" runoff: Vol. _ [(1112) x (DA) x (% imp.)] + [(1/12) x (DA) x (1-% imp.) x C] C = 0.2 IV oNIM1111l1f/117,� - 2,694 cu. ft. a SEAT. -ui 17374 s '.Fy �.:' Qa �I•u•oz. 02074POND 1 of 2 9/11/2002 Cape Fear Baptist Church CDC Stormwater Calculations 02074 Pond Volume: Bottom SA = 45 sq. ft. Normal Pool SA = 4,870 sq. ft. Vol. = RN.P. SA + Bottom SA) 12] x (N.P. el. - Bottom el.) 17,203 cu. ft. Forebay: Required Volume Vol. = 20% of storage volume = 3,441 cu. ft. Provided Volume Bottom SA = 442 sq. ft. Normal Pool SA = 1,799 sq. ft. Vol, = [(N.P. SA + Bottom SA) / 21 x (N.P. el. - Bottom el,) = 3,362 cu, ft. depth = 3 ft. Outlet Structure Design: Flow for 2-day drawdown: for 1st 1" of stormwater, Q = Required Vol. / 172,800 sec. (2-days) = 0.016 cfs area Area or wipe Tor z-oay arawaown: A= Q/ [Cd x SQRT(2 x g x h)] Cd = 0.6 g = 32.2 ft./s2 h = (F.P. elev.- N.P, elev.) /2 = 0.5 ft. A = 0.0046 sq. ft. Diameter of Pige for 2-dav drawdown: DIA. = SQRT[(A x 4) / pi] 0.0764 ft. 0.92 in. Use .75" orifice Outlet Structure Check: Using a 4' x 4' Basin, Perimeter L = 16 ft, Q = CiA C = (% imp.)(.95) + (1-% imp.)(25) 0.62 1 = 6.30 in. for a 10 yr. Storm A = 1.20 Acres 4.69 cfs x Flow for 5-day drawdown: for 1st 1" of Stormwater, Q = Required Vol, 1432.000 sec. (5-days) = 0,006 cfs uired Area oT Hloe Tor b-dav arawaown A= Q/ [Cd x SQRT(2 x g x h)] Cd = 0.6 g = 32.2 ft. /s2 h = (F.P. elev. - N.P. elev.) / 2 0.5 ft. A = 0.0018 sq. ft. Diameter of Pipe for 5-day drawdown: DIA. = SQRT[(A x 4) 1 pi] = 0.0483 ft. = 0.58 in. Q= CwxLxH H = [Q / (Cw x L)]213 Cw = 3 = 0.21 ft. Peak elevation = flood pool elevation + H 12.41 ft. 02074POND 2 of 2 FwArF . � r >_ Q 'C Michael F. Easley; Gbvernor William G. Ross, Jr., Secretary. North Carolina Department of Environment and Natural Resources November 26, 2002 Alan W. Klimek, P.E., Director Division of Water Quality Wilmington Regional Office Mr. David C. Braddy, Pastor Cape Fear Baptist Church PO Box 705 Carolina Beach, NC 28428 Subject: Permit No. SW8 020913 Cape Fear Baptist Church High Density Stormwater Project New Hanover County- Dear Mr. Braddy: - The Wilmington Regional Office' received a complete Stormwater Management Permit Application for the Cape Fear Baptist Church on September 13, 2002. Staff review of the plans and specifications has determined that the project, as proposed, will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H.1000. We are forwarding Permit No. SW8 020913 dated November 26, 2002, for the construction of the Cape Fear Baptist Church. This permit shall be effective from the date of issuance until November 26, 2012, 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 Noelle Lutheran, or me at (910) 395-3900. Sincerely, Rick Shiver Water Quality Regional Supervisor RSS/nml: S:1WQSISTORMWATIPERMIT1020913.NOV cc: Phil Tripp, P.E. Tony Roberts, New Hanover County Building Inspections Beth E. Wetherill, New Hanover County Engineering Division of Coastal Management Noelle Lutheran Wilmington Regional Office ; Central Files NCDEh'R N.C. Division of Water Quality 127 Cardinal Drive Extension Wilmington, N.C. 28405 (910) 395-3900 Fax (910) 350-2004 Customer Service 800-623-7748 State Stormwater Management Systems Permit No. SW8 020913 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 Cape Fear Baptist Church New Hanover County FOR THE construction, operation and maintenance of a wet detention pond 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 November 26, 2012, and shall be subject to the following specified conditions and limitations: I. DESIGN STANDARDS l . 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 3 of this permit, the Project Data Sheet. The stormwater control has been designed to handle the runoff from 27,160 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. 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. A permit modification must be submitted and approved prior to the construction of additional built -upon area from outside of the approved drainage area. 2 State Stormwater Management Systems - - - Permit No. Sw8 020913 DIVISION OF WATER QUALITY PROJECT DESIGN DATA SHEET Project Name: Cape Fear Baptist Church Permit Number:, SW8 020913 Location: New Hanover County Applicant: Mr. David C. Braddy, Pastor Mailing Address: Cape Fear Baptist Church PO Box 705 Carolina Beach, NC 28428 Application Date: September 13, 2002 Receiving Stream/River Basin/Index #: Cape Fear 1 Snows Cut / 18-87-31.5 Classification of Water Body: "SC" Pond Depth, feet: 7 Drainage Area acres: 1.2 Offsite Area entering Pond, ftZ: Total Impervious Surfaces, ftZ: Buildings, ftZ: Parking, ftZ: Sidewalks, ft2: Permanent Pool Elevation, FMSL: Required Surface Area, ftZ: Provided Surface Area, ft2: Required Storage Volume, ft3: Provided Storage Volume, ft3: Temporary Storage Elevation, FMSL: Controlling Orifice: none accounted for, per engineer 27,340 4,040 22,820 480 11.2 1,072 @Permanent Pool 4,870 @Permanent Pool 2,694 5,317 12.2 0.75"cp pipe ki State Stormwater Management Systems - - - - Permit No. Sw8 020913 - - 11. SCHEDULE OF COMPLIANCE 1. The stormwater management system shall be constructed in it's 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. Access to the outlet structure must be available at all times. 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. Decorative spray fountains will not be allowed in the stormwater treatment system. 6. 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. 7. 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. 8. 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. 9. The pen-nittee 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. C. Further subdivision, acquisition, or sale 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. . 4 _ '-State -Storm,.vater Management Systems. Permit No. SW8 020913 10. The permittee shall submit final site layout and grading plans for any permitted future areas shown on the approved plans, prior to construction. if the proposed BUA exceeds the amount permitted under this permit, a modification to the permit must be submitted and approved 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 construction. 12. Prior to the sale or lease of any portion of the property, the permittee shall notify DWQ and provide the name, mailing address and phone number of the purchaser or leasee. An access/maintenance easement to the stonmwater facilities shall be granted in favor of the permittee if access to the stormwater facilities will be restricted by the sale or lease of any portion of the property. 13. The permittee must maintain compliance with the proposed built -upon area and ensure that the runoff from all the built -upon is directed into the permitted system. 14. 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. 15. The permittee must maintain the current permitted drainage area. No additional runoff from outside of the permitted drainage area boundary may enter the permitted stormwater facilities without first applying for and receiving a permit modification. M. 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 fonnal permit transfer 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. The permittee is responsible for compliance with all permit conditions until such time as the Division approves the transfer request. 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) 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 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. �1 7 0 6 _ State Stormwater Management Systems - - - - - - --- Permit No. SWS 02091'3. - 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. The permittee shall notify the Division any name, ownership or mailing address changes within 30 days. Permit issued this the 26th day of November, 2002. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION Alan W. Klimek, P.E., Director Division of Water Quality By Authority of the Environmental Management Commission State Stormwater Management Systems = - Permit No. SW8 020913 Cape Fear Baptist Church Stormwater Pen -nit No. SW8 020913 New Hanover 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 SEAL 7 State Stormw_ ater Management Systems _ Permit No. SNN'S 020913 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. The outletibypass structure elevations are per the approved plan. 5. The outlet structure is located per the approved plans. 6. Trash rack is provided on the outlet/bypass structure. 7. All slopes are grassed with permanent vegetation. S. Vegetated slopes are no steeper than 3:1. 9. The inlets are located per the approved plans and do not cause short-circuiting of the system. 10. The permitted amounts of surface area and/or volume have been provided. 11. Required drawdown devices are correctly sized per the approved plans. 12. All required design depths are provided. 13. All required parts of the system are provided_, such as a vegetated shelf, and a forebay. 14. The overall dimensions of the system, as shown on the approved plans, are provided. cc: NCDENR-DWQ Regional Office Tony Roberts, New Hanover County Building Inspections i I e- oze-)i :.::.:::.:...:....::......:.:.:...:.v::..:.::.:.:.:.:.::.:.::.:.::..::::.:_.................................. e[ry�.s{�� .::1:+?. :i:::'vt-r.}?;z:?n:s;?; .:i:i;:f::>�:"' ^:r:�`}; .:::;:j:nfi::[^fni:i.:ti:?:}i.Wl'.4f: ?.. r.........: .\....:i.ri Date Received Fee Paid Permit Number 3/G,J Duo R La State of North Carolina Department of Environment and Natural Resources Division of Water Quality STORMWATER MANAGEMENT PERMIT APPLICATION FORM This form may be photocopied for use as an original GENERAL INFORMATION 1. Applicants name (specify the name of the corporation, individual, etc. who owns the project): Cape Fear Baptist Church__ 2. Print Owner/Signing Official's name and title (person legally responsible for facility and compliance): David C. Braddy, Pastor 3. Mailing Address for person listed in item 2 above: P.O. Box 705 City: Carolina Beach State: NC Zip: 28428 Telephone Number: 9 t0-512-5840 4. Project Name (subdivision; facility, or establishment name — should be consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): Cape Fear Baptist Church 5. Location of Project (street address): 7300 Carolina Beach A . City: Wilmington County: New Hanover 6. Directions to project (from nearest major intersection): From intersection of HM, 421 and Hwy 132, travel south on Hwy 421 for approx. 3.9 Miles. Site is on right. 7. Latitude : N 34" 05' 00" Longitude: W 770 54' 00" of project 8. Contact person who can answer questions about the project: Name: _ Phillip Tripp Telephone Number: 910-763-5100 11. PERMIT INFORMATION: 1. Specify whether project is (check one): X New Renewal Modification Form SWU-101 Version 399 Page 1 of 4 2. If this application is being submitted as the result of a renewal or modification to an existing permit, list The existing permit number and its issue date (if known) 3. Specify the type of project (check one): Low Density 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. Ill. 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. wet pond 2. Stormwater runoff from this project drains to the Cape Fear River basin. 3, Total Project Area: 1.2 acres 4. Project Built Upon Area: 52.30 %. 5. How many drainage basins does the project have? 1 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. ....r.'r .. .. ...r n..::....r. r. r.....: ..r. . r.....r. :..}.r ..:. x .r.. n. n..,..r. ::..:..r..r..... v; r. ....:..r ..r..r. r..: ..:.r ....:.:....r...: SMO. .:...............: .: .......:...... Receiving e,ceivinStream Name Snows Cut Receiving Stream Class SC Drainage Basin. Area 1.2 acres Existing Impervious * Area - Proposed Impervious * Area 0.62 acres % Impervious* Area (total) 52.3% On -site Buildings -3;8 44- On -site Streets - On -site Parking 22,820 sf On -site Sidewalks 480 sf Other on -site - Off=site - Total:_; IfT6 Z �, 3 �{ D E= * 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 _11 How was the off -site impervious area listed above derived`? NA _ - 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. 777e fallowing covenants are intended to ensure ongoing compliance with state stormwater management permit number as issued by the Division of Water Quality. These covenants mcty not be changed or deleted without the consent of'ihe .Slate. 2. No more than square feet of any lot shall be covered by structures of impervious materials. Impervious materials include asphalt, gravel, concrete, brief stone, slate or similar material but do not include wood decking or the water .7urface of s wimming pools. 3. SWales .shall not be filled in, piped or altered except as necessary to provide driveway crossings. 4. Buill-upon area in excess of the permitted amount requires a state stormwater management permit modification prior to construction. 3. All permitted ninofffrom outparcels orfuture development shall be directed into the permitted stormwater control system. 7hese connections to the stormwater control system shall be performed in a manner that maintains the integrity and performance of the system as permitted By your signature below, you certify that the recorded deed restrictions and protective covenants for this project shall include all the applicable items required above, that the covenants will be binding on all parties and persons claiming under them, that they will run with the land, that the required covenants cannot be changed or deleted without concurrence from the State, and that they will be recorded prior to the sale of any lot. V. SUPPLEMENT FORMS The applicable state stormwater management permit supplement forni(s) listed below must be submitted for each BMP specified for this project. Contact the Stormwater and General Permits Unit at (910) 733-5093 for the status and availability of these forms. Form SWU-102 horror SWU-103 Form SWU-104 Form SWU-105 Form SWU-106 Form SWU-107 Form SWU-108 Norm SWLI-109 Wet Detention Basin Supplement Infiltration Basin Supplement Low Density Supplement Curb Outlet System Supplement Off -Site System Supplement Underground Infiltration Trench Supplement Neuse River Basin Supplement Innovative Best Management Practice Supplement Form SWU-101 Version 3.99 Page 3 of 4 Vl. 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. l . 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 Stonnwater Management Permit Application Form C,0C. • One copy of the applicable Supplement Form(s) for each BMP 61Yc • Permit application processing fee of $420 (payable to NCDENR) (.c, • Detailed narrative description of stormwater treatment/management ML • Two copies of plans and specifications, including: ca7 - 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 stornnvatcr control measures - Wetlands delineated, or a note on plans that none exist - Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations - Drainage areas delineated - Vegetated buffers (where required) VI1. AGENT AUTHORIZATION If you wish to dcsignate authority to another individual or firm so that they may provide information on your behalf, please complete this section. Designated agent (individual or firm): Tri En ineerin P.C. Mailing Address: 419 Chestnut Street City: Wilinin on State: NC Zip: 28401 Phone: 910 763-5100 Fax: (910) 763-5631 VII1. APPLICANT'S CERTIFICATION I, (prin( or type name of'person listed in General Information, item 2) David C. Bradd certify that the information included on this permit application form is, to the best of my luiowledge, correct and that the project will be constructed in conformance with the approved plans, that the required deed restrictions and protective covenants will b ecorded, and that the proposed project complies with the requirements of 15A NCAC 2H .1000e7 , 1-? Signature: Date: L�'/,/) -dam Form SWU-101 Version 3.99 Page 4 of 4 • w State Stormwater Management Systems Permit No. SW8 020913 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 Cape Fear Baptist Church New Hanover County FOR THE construction, operation and maintenance of a wet detention pond in compliance with the provisions of 15A NCAC 2H .1000 {hereafter referred to as the "storrnwater 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 November 26, 2012, and shall be subject to the following specified conditions and limitations: 1. DESIGN STANDARDS I . 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 3 of this permit, the Project Data Sheet. The storrnwater control has been designed to handle the runoff from 27,160 square feet of impervious area. The tract will be limited to the amount of built -upon area indicated on page 3 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. The runoff from all built -upon area within the permitted drainage area of this project must be directed into the permitted stormwater control system. A permit modification must be submitted and approved prior to the construction of additional built -upon area from outside of the approved drainage area. FA State Stormwater Management Systems Permit No. SW8 020913 DIVISION OF WATER QUALITY PROJECT DESIGN DATA SHEET Project Name: Permit Number: Location: Applicant: Mailing Address: Application Date: Receiving Stream/River Basin/Index #: Classification of Water Body: Pond Depth, feet: Drainage Area, acres: Offsite Area entering Pond, ftz: Total Impervious Surfaces, ft': Buildings, ft2: Parking, ft2: Sidewalks, ft2: Permanent Pool Elevation, FMSL: Required Surface Area, ft2: Provided Surface Area, ft2: Required Storage Volume, ft': Provided Storage Volume, ft' Temporary Storage Elevation, FMSL: Controlling Orifice: Cape Fear Baptist Church SW8 020913 New Hanover County Mr. David C. Braddy, Pastor Cape Fear Baptist Church PO Box 705 Carolina Beach, NC 28428 September 13, 2002 Cape Fear / Snows Cut / 18-87-31.5 "SC" 7 1.2 none accounted for, per engineer 27,340 4,040 22,820 480 11.2 1,072 @Permanent Pool 4,870 @Permanent Pool 2,694 5,317 12.2 0.75"tp pipe 3 State Stormwater Management Systems Permit No. SW8 020913 II. SCHEDULE OF COMPLIANCE The stormwater management system shall be constructed in it's 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. 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. e. 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. Access to the outlet structure must be available at all times. 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. Decorative spray fountains will not be allowed in the stormwater treatment system. 6. 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. 7. 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 maybe required for those deviations. 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. 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, or sale 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. 4 State Stormwater Management Systems Permit No. SW8 020913 10. The permittee shall submit Final site layout and grading plans for any permitted future areas shown on the approved plans, prior to construction. If the proposed BUA exceeds the amount permitted under this permit, a modification to the permit must be submitted and approved 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 construction. 12. Prior to the sale or lease of any portion of the property, the permittee shall notify DWQ and provide the name, mailing address and phone number of the purchaser or leasee. An access/maintenance easement to the stormwater facilities shall be granted in favor of the permittee if access to the stormwater facilities will be restricted by the sale or lease of any portion of the property. 13. The permittee must maintain compliance with the proposed built -upon area and ensure that the runoff from all the built -upon is directed into the permitted system. 14. The Director may notify the penmittee 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. 15. The permittee must maintain the current permitted drainage area. No additional runoff from outside of the permitted drainage area boundary may enter the permitted stormwater facilities without first applying for and receiving a permit modification. 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 Permittec, a formal permit transfer 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. The permittee is responsible for compliance with all permit conditions until such time as the Division approves the transfer request. 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) 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 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. 5 -^ State Stormwater Management Systems Permit No. SW8 020913 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 pennittee shall notify the Division any name, ownership or mailing address changes within 30 days. Pen -nit issued this the 26th day of November, 2002, NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION Q-1K. Cal/ Zn_a 4 ✓�_,,�, Alan W. Klimek, P.E., Director i _ Q' ` Division of Water Quality By Authority of the Environmental Management Commission 0 State Stormwater Management Systems Permit No. SW 8 020913 Cape Fear Baptist Church Stormwater Permit No. SW8 020913 New Hanover County Designer's Certification 1, , 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 eject 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 7 State Stormwater Management Systems Permit No. S W 8 020913 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. The outlet/bypass structure elevations are per the approved plan. 5. The outlet structure is located per the approved plans. 6. Trash rack is provided on the outlet/bypass structure. 7. All slopes are grassed with permanent vegetation. 8. Vegetated slopes are no steeper than 3:1. 9. The inlets are located per the approved plans and do not cause short-circuiting of the system. 10. The permitted amounts of surface area and/or volume have been provided. ] 1. Required drawdown devices are correctly sized per the approved plans. 12. All required design depths are provided. 13. All required parts of the system are provided, such as a vegetated shelf, and a forebay. 14. The overall dimensions of the system, as shown on the approved plans, are provided. cc: NCDENR-DWQ Regional Office Tony Roberts, New Hanover County Building Inspections