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HomeMy WebLinkAboutSW8120206_CURRENT PERMIT_20120320STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW 069wo DOC TYPE � CURRENT PERMIT APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE olFJ�p D,3aE� WYYMMDD A AMA NCDENR North Carolina Department of Environment and Natural Resources Division of Water Quality Beverly Eaves Perdue Charles Wakild, P. E. Dee Freeman Governor Director Secretary March 20, 2012 Deanna Antonio, Executive Director Biunswick County Habitat for Humanity, 111c. 4255 Long Beach Road Oak Island, NC 28465 Subject: State Stormwater Management Permit No. SW8120206 Brunswick County Habitat for Humanity High Density Commercial infiltration Basin Project Brunswick County Dear Mrs. Antonio: The Wilmington Regional Office received a complete State Stormwater Management Permit Application for Brunswick County Habitat for Humanity on March 15, 2012. 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. SW8120206 dated March 20, 2012, for the construction, operation and maintenance of the BMP's and built -upon area associated with the subject project. This permit shall be effective from the date of issuance until March 20, 2020, 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 by filing a written petition with the Office of Administrative Hearings (OAH), The written petition must conform to Chapter 150B of the North Carolina General Statutes, and must be filed with the OAH within thirty (30) days of receipt of this permit. Unless such demands are made this permit shall be final and binding. You should contact the OAH with all questions regarding the filing fee and/or the details of the filing process. The mailing address, telephone and fax numbers for the Office of Administrative Hearings are: 6714 Mail Service Center, Raleigh, NC 27699-6714. Telephone 919-431-3000 or visit their website at www.ncoah.com. If you have any questions, or need additional information concerning this matter, please contact Chris Baker, at (910) 796-7215. Sincerely, For Charles akW ild P. E. Director Division of Water Quality GDS/csb: &\WQSIStormwater\Permits & ProjeclsQ0121120206 HD 12012 03 permit 120206 cc: Christian Russell, P. E., East Coast Engineering Brunswick County Building Inspections Brunswick County Engineering . Wilmington Regional Office Stormwater File Wilmington Regional Office 127 Cardinal Drive Extension, Wilmington, North Carolina 28405 Phone: 910-796-72151 FAX: 910-350-20041 Customer Service: 1-877-623.6748 Intemet: www,ncwaterquality.org One NorthCarolina ;Vatura!!y An Equal Opportunity 1 Atfirmalive Action Employer State Stormwater Management Systems Permit No. SW8 120206 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY STATE STORMWATER MANAGEMENT PERMIT HIGH DENSITY COMMERCIAL 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 Brunswick County Habitat for Humanity, Inc. Brunswick County Habitat for Humanity Beach Drive SW, Oak Island, Brunswick County FOR THE construction, operation and maintenance of two infiltration basins in compliance with the provisions of Session Law 2008-211 and 15A NCAC 2H .1000 (hereafter collectively and separately 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 March 20, 2020, and shall be subject to the following specified conditions and limitations: I. DESIGN STANDARDS 1. This permit is effective only with respect to the nature and volume of stormwater described in the application and other supporting data. 2. This stormwater system has been approved for the management of stormwater runoff as described in Section 1.8 on page 3 of this permit. The stormwater control has been designed to handle the runoff from 34,172 square feet of impervious area. 3. The tract will be limited to the amount of built -upon area indicated in Section 1.8 on page 3 of this permit, and as shown on the 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 project shall provide a 50' wide vegetated buffer adjacent surface waters, measured horizontally from and perpendicular to the normal pool of impounded structures, the top of bank of both sides of streams and rivers, and the mean high water line of tidal waters. Page 2 of 7 State Stormwater Management Systems Permit No. SW8 120206 6. The runoff from all built -upon area within the permitted drainage area of this project must be directed into the permitted stormwater control system. 7. The following design criteria have been permitted for the infiltration basin and must be provided and maintained at design condition: Basin #1 Basin #2 a. Drainage Area, acres: Onsite, ft2. Offsite ft2: 1.46 63,626 None 0.27 11,626 None b. Total Impervious Surfaces, ft : Onsite, ft2: Offsite ft2: 26,566 26,566 None 7,606 7,606 None C. Design Storm inches: 1.5 1.5 d. Basin Depth, feet: C. Bottom Elevation FMSL: 37.5 37.5 f. Bottom Surface Area ft : 3,089 449 Bypass Weir Elevation FMSL: 38.5 38.5 h. Permitted Storage Volume ft-: 4,951 944 i. Predevelo ment 1 yr 24 hr peak flow, efs: 2.1 0.40 J. Post -development 1 yr 24 hr peak flow, cfs: 5.2 1.3 k. Type of Soil: Sand Sand L. Expected Infiltration Rate in/hr: 13 13 m. Seasonal Fli h Water Table FMSL: 34.5 34.5 n. Time to Draw Down hours: 9.6 22 o. Receiving Stream/River Basin: Lumber / Jinn 's Branch p. Stream Index Number: I5-25-2-16-1- 1 q. Classification of Water Body: C;Sw II. SCHEDULE OF COMPLIANCE The stormwater management system shall be constructed in its entirety, vegetated and operational for its intended use prior to the construction of any built -upon surface. 2. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. 3. The permittee shall at all times provide the operation and maintenance necessary to assure the permitted stormwater system functions at optimum efficiency. The approved Operation and Maintenance Plan must be followed in its entirety and maintenance must occur at the scheduled intervals including, but not limited to: a. Semiannual scheduled inspections (every 6 months). b. Sediment removal. C. Mowin.9 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 bypass structure, infiltration media, flow spreader, catch basins, piping and vegetated filter. g. A clear access path to the bypass structure must be available at all times. 4. 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. Page 3of7 State Stormwater Management Systems Permit No. SW8 120206 5. 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. 6. 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. 7. Records of maintenance activities must be kept for each permitted BMP. The reports will indicate the date, activity, name of person performing the work and what actions were taken. 8. 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. Access to the stormwater facilities shall be maintained via appropriate easements at all times. 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 development, subdivision, acquisition, lease or sale of any, 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 permittee shall submit final site layout and grading plans for any permitted future areas shown on the approved plans, prior to construction. 12. The Director may notify the permittee when the permitted site does not meet one or more of the minimum requirements of the permit. Within the time frame specified in the notice, the permittee shall submit a written time schedule to the Director for modifying the site to meet minimum requirements. The permittee shall provide copies of revised plans and certification in writing to the Director that the changes have been made. III. GENERAL CONDITIONS Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. Page 4 of 7 State Stormwater Management Systems Permit No. SW8 120206 2. This permit is not transferable to any person or entity except after notice to and approval by the Director. At least 30 days prior to a change of ownership, or a name change of the project or of the permittee or a mailing address change, the permittee shall submit a completed and signed Name/Ownership Change form to the Division of Water Quality, accompanied by the appropriate documentation as listed on the form. The approval of this request will be considered on its merits and may or may not be approved. 3. The permittee is responsible for compliance with all permit conditions until such time as the Division approves the transfer request. Neither the sale of the project in whole or in part, nor the conveyance of common area to a third party shall constitute an approved transfer request. 4. 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. 5. 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) Laving jurisdiction. 6. 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. 7. 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. 8. 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 reissuance or termination does not stay any permit condition. 9. Unless specified elsewhere, permanent seeding requirements for the stormwater controls must follow the guidelines established in the North Carolina Erosion and Sediment Control Planning and Design Manual. 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 2H.1000, and NCGS 143-215.1 et. al. 11. The permittee shall submit a permit renewal application at least 180 days prior to the expiration date of this permit. The renewal request must include the appropriate documentation and the processing fee. Permit issued this the 20th day of March, 2012. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION tor-unarie aKiia, N.lt-, uirector Division of Water Quality By Authority of the Environmental Management Commission Page 5of7 State Stormwater Management Systems Permit No. SW8 120206 Brunswick County Habitat for Humanity Stormwater Permit No. SW8 120206 Brunswick 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 Page 6 of 7 State Stormwater Management Systems Permit No. SW8 120206 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 bypass structure weir elevation is per the approved plan. 6. The bypass structure is located per the approved plans. 7. A Trash Rack is provided on the 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. All required design depths are provided. _13. All required parts of the system are provided. _14. The required system dimensions are provided per the approved plans. cc: NCDENR-DWQ Regional Office Brunswick County Building Inspections Page 7of7 DWQ USE ONLY Date Received Fee Paid Permit Number eiL:zO i _5 vs". ev --W a p Applicable Rules: ❑ Coastal SW —1995 ❑ Coastal SW — 2008 ❑ Ph I1 - Post Construction (select all that apply) ❑ Non -Coastal SW- HQW/ORW Waters ❑ Universal Stormwater Management Plan ❑ Other WQ M mt Plan: State of North Carolina Department of Environment and Natural Resources Division of Water Quality STORMWATER MANAGEMENT PERMIT APPLICATION FORM This forth may be photocopier! for use as an original 1. GENERAL INFORMATION 1. Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): Brunswick County Habitat for Flumanity, Inc. 2. Location of Project (street address): Beach Drive SW (NC 179 & 904) City:Ocean Isle Beach CountyTrunswick Zip:28469 3. Directions to project (from nearest major intersection): From the intersection of US Highway 17 South and NC 904, travel south approximately 3.6 miles. Turn left on NC 179 & 904. Travel approximately east approximately 1.9 miles. Project on the left. 4. Latitude:33° 54' 3" N Longitude:78° 27' 17" W of [tie main entrance to the project. H. PERMIT INFORMATION: 1. a. Specify whether project is (check one): ®New ❑Modification b. If this application is being submitted as the result of a modification to an existing permit, list the existing permit number , its issue date (if known) , and the status of construction: ❑Not Started ❑Partially Completed* ❑ Completed* "provide a designer's certification Specify the type of project (check one): ❑Low Density NHigh Density [—]Drains to an Offsite Stormwater System ❑Other 3. If this application is being submitted as the result of a previously returned application or a letter from DWQ requesting a state stormwater management permit application, list the slormwater project number, if assigned, and the previous name of the project, if different than currently proposed, 4. a. Additional Project Requirements (check applicable blanks; information on required state permits can be obtained by contacting the Customer Service Center at 1-877-623-6748): ❑LAMA Major ®Sedimentation/Erosion Control: 1.73 ac of Disturbed Area ❑NPDES Industrial Stormwater ❑404/401 Permit: Proposed Impacts b.lf any of these permits have already been acquired please provide the Project Name, Project/Permit Number, issue date and the type of each permit:Sedimentation/Erosion Contol applied for. RECEIVED FEB 0 9 2012 BY: ORIGINAL Form SWU-l01 Version 07Jun2010 Page 1 of 6 III. CONTACT INFORMATION 1. a. Print Applicant / Signing Official's name and title (specifically the developer, property owner, lessee, designated government official, individual, etc. who owns the project): Applicant/Organization:Britnswick County Habitat for Humanity, [tic. Signing Official & Title:Deanna Antonio, Exectutive Director b.Contact information for person listed in item I above: Street Address:4255 Long Beach Road T City:Oak Island State:NC Zip:2845 Mailing Address (if applicable): SAME City: State: Zip: Phone: (910 ) 454-0007 Fax: ( ) Email:bch4hda 1e eastnc.twcbc.com Please check the appropriate box. The applicant listed above is: ® The property owner (Skip to Contact Information, item 3a) ❑ Lessee* (Attach a copy of the lease agreement and complete Contact Information, item 2a and 2b below) ❑ Purchaser* (Attach a copy of the pending sales agreement and complete Contact Information, item 2a and 2b below) ❑ Developer* (Complete Contact Information, item 2a and 2b below.) 2. a. Print Property Owner's name and title below, if you are the lessee, purchaser or developer. (This is the person who owns the property that the project is located on): Property Owner/Organization: Signing Official & Title: b.Contact information for person listed in item 2a above: Street Address: City: Mailing Address (if applicable): City: Phone: f ) Email: State: Zip: State: Zip: Fax: l ) 3. a. (Optional) Print the name and title of another contact such as the project's construction supervisor or other person who can answer questions about the project: Other Contact Person/ OrganizaLion: Chris Russell, P.E. Signing Official & Title:Proiect_Engineer b.Contact information for person listed in item 3a above: Mailing Address:PO Box 2469 City:Shallotte State:NC Zip:28459 Phone: (910 ) 754-8029 Fax: 910 754-8049 Em-,iil:crL]ssell@eces.biz 4. Local jurisdiction for building permits: Ocean Isle Beach Point of Contact:Larry Cook _ Phone #: (910 ) 579-3469 RECEIVE FEB o 9 2012 Form SWU-101 Version 07Jun2010 Page 2 of 6 BY: IV. PROJECT INFORMATION 1. In the space provided below, briefly summarize how the stormwater runoff will be treated. Stormwater runoff from impervious areas will be allowed to sheet flow across the proposed parking area to curb cuts. The runoff will be directed via grass swales to dry infiltration basins for treatment onsite. 2. a. If claiming vested rights, identify the supporting documents provided and the date they were approved: ❑ Approval of a Site Specific Development Plan or PUD Approval Date: ❑ Valid Building Permit Issued Date: ❑ Other: Date: b.If claiming vested rights, identify the regulations) the project has been designed in accordance with: ❑ Coastal SW - 1995 ❑ Ph II - Post Construction 3. Stormwater runoff from this project drains to the Lumber River basin. 4. Total Property Area: 1.73 acres 5. Total Coastal Wetlands Area: 0 acres 6. Total Surface Water Area: 0 acres 7. Total Property Area (4) -Total Coastal Wetlands Area (5) -Total Surface Water Area (6) = Total Project Area':1.73 acres + Total project area shall be calculated to exclude tale followin$� the nornial pool of impounded structures, tine area between the banks of streanis and rivers, the area below the Normal Hi 1i Water (NHW) line or Mean High Water (MHW) line, and coastal wetlands landward from the NNW (or MHX litre. The resultant project area is used to calculate overall percent built upon area (BUA). Non -coastal wetlands landward of the NHW (or MHW) line inay be included in the total project area. 8. Project percent of impervious area: (Total Impervious Area / Total Project Area) X 100 = 45.4 % 9. How many drainage areas does the project have?2 (For high density, count 1 for each proposed engineered stormwater BMP. For lozo densittf and other projects, use 1 for the whole property area) 10. Complete the following information for each drainage area identified in Project Information item 9. If there . are more than four drainage areas in the project, attach an additional sheet with the information for each area provided in the same format as below. Basin Information Drainage Area 1 Drainage Area 2 Drainage Area _ Drainage Area _ Receiving Stream Name Jinny's Branch Jinny's Branch Stream Class * C; Sw C; Sw Stream Index Number * 15-25-2-16-1-(1) 15-25-2-16-1-(1) Total Drainage Area (so 63,625.6 11,625.6 0 0 On -site Drainage Area (so 63,625.E 11,625.6 Off -site Drainage Area (so 0 0 Proposed Impervious Area** (SO 26,566 7,606 Impervious Area"* total 41.8 65.4 Impervious** Surface Area Drainage Areal- Draina e Area 2 Drainage Area Draina e Area On -site Buildings/Lots (so 9,000 3,000 On -site Streets (so 0 0 On -site Parking (so 13,378 3,574 — On -site Sidewalks (so 1,688 368 n Other on -site (so 0 664 (DOT area) Future (so 2,500 0 Off -site (so 0 0 IB Y Existing BUA*** (so 0 0 Total (so: 26,566 7,606 * 5treani CIass and Index Nnniber cart be detenuined at: http://portal.rrcdetrr.org veb/it�r�Jis/cstr/clrtssi tcatioits Imppervious area is defrued as the built upon area including, but not lbuited to, buildings, roads, parking areas, sidewalks, gravel areas, etc. Report only that aniount of existing BUA that will remain after development. Do not report any existing BLIA that is to be removed and which will be replaced by ilezll BUA. Form SWU-101 Version 07Jun2010 Page 3 ol'6 1-1. How was the off -site impervious area listed above determined? Provide documentation. N/A Projects in Union County: Contact DIVQ Central Office staff to check if the project is located within u Threatened & Endangered Species tvatershed that mcty be subject to more stringent stormwater requirements cis per NCAC 02B .0600. V. SUPPLEMENT AND O&M FORMS The applicable state stormwater management permit supplement and operation and maintenance (O&M) forms must be submitted for each BMP specified for this project. The latest versions of the forms can be downloaded from htt ortal.ncdenr.or r web w ws sttbm -manual. VI. SUBMITTAL REQUIREMENTS Only complete application packages will be accepted and reviewed by the Division of Water Quality (DWQ). A complete package includes all of the items listed below. A detailed application instruction sheet and BMP checklists are available from http://portal.ncdennorg/web/wq/ws/so/statesw/forms_docs. The complete application package should be submitted to the appropriate DWQ Office. (The appropriate office may be found by locating project on the interactive online map at http://portal,ncdenr.org/web/wq/ws/su/maps.) Please indicate that the following required information have been provided by initialing in the space provided for each item. All original documents MUST be signed and initialed in blue ink. Download the latest versions for each submitted application package from http://portal;ncdenr.org/web/wq/ws/su/statesw/forms_docs. Zitials 1. Original and one copy of the Stormwater Management Permit Application Form. 2. Original and one copy of the signed and notarized Deed Restrictions & Protective Covenants _ Form. (if required as per Part V11 belozo) 3. Original of the applicable Supplement Form(s) (sealed, signed and dated) and O&M agreement(s) for each BMP. 4. Permit application processing fee of $505 payable to NCDENR. (For an Express review, refer to http://www.envhelp.org/pages/onestol2express,htm] for information on the Express program and the associated fees. Contact the appropriate regional office Express Permit Coordinator for additional information and to schedule the required application meeting.) w _ 5. A detailed narrative (one to two pages) describing the stormwater treatment/managementfor the project. 'Phis is required in addition to the brief summary provided in the Project Information, item 1. 6. A USGS map identifying the site location. If the receiving stream is reported as class SA or the receiving stream drains to class SA waters within'/z mile of the site boundary, include the 1/2 mile radius on the map. 7. Sealed, signed and dated calculations. & Two sets of plans folded to 8.5" x 14" (sealed, signed, & dated), including: a. Development/Project name. b. Engineer and firm. c. Location snap with named streets and NCSR numbers. d. Legend. e. North arrow, f. Scale. g. Revision number and dates. h. Identify all surface waters on the plans by delineating the normal pool elevation of impounded structures, the banks of streams and rivers, the MHW or NHW line of tidal waters, and any coastal wetlands landward of the MHW or NI-IW lines. • Delineate the vegetated buffer landward from the normal pool elevation of impounded structures, the banks of streams or rivers, and the MI-IW (or NHW) of tidal waters. i. Dimensioned property/project boundary with bearings & distances. j. Site Layout with all BUA identified and dimensioned. k. Existing contours, proposed contours, spot elevations, finished floor elevations. 1. Details of roads, drainage features, collection systems, and stormwater control measures. m. Wetlands delineated, or a note on the plans that none exist. (Must be delineated by a — � qualified person. Provide documentation of qualifications and identify the person w.� .r WF, made the determination on the plans. n. Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculi tions. FEB U 9 2012 o. Drainage areas delineated (included in the main set of plans, not as a separate clacu nenl). p. Vegetated buffers (where required). $i Form SWU-101 Version 07Jun2010 Page 4 of 6 9 Copy of any applicable soils report with the associated SHWT elevations (Please identify elevations in addition to depths) as well as a map of the boring locations with the existing elevations and boring logs. Include an 8.5"x1"1" copy of the NRCS County Soils map with the project area clearly delineated. For projects with infiltration BMPs, the report should also include the soil type, expected infiltration rate, and the method of determining the infiltration rate. (Infiltration Devices submitted to WiRO: Schedule a site visit for DWQ to verifij the SHWT prior to subnnittal, (910) 796-7378.) A copy of the most current property deed. Deed book: 3221 Page No:1119 For corporations and limited liability corporations (LLC): Provide documentation from the NC Secretary of State or other official documentation, which supports the titles and positions held by the persons listed in Contact Information, item la, 2a, and/or 3a per NCAC 2I-I.1003(e). The corporation or LLC must be listed as an active corporation in good standing with the NC Secretary of State, otherwise the application will be returned. http://www.secretary.state.iic.us/CorporatioiisZCScarch.aspx VI1. DEED RESTRICTIONS AND PROTECTIVE COVENANTS For all subdivisions, outparcels, and future development, the appropriate property restrictions and protective covenants are required to be recorded prior to the sale of any lot. If lot sizes vary significantly or the proposed BUA allocations vary, a table listing each lot number, lot size, and the allowable built -upon area must be provided as an attachment to the completed and notarized deed restriction form. The appropriate deed restrictions and protective covenants forms can be downloaded from http://portal.ncdenr.org/web/wq/ws/su/statesw/fornis_docs. Download the latest versions for each submittal. In the instances where the applicant is different than the property owner, it is the responsibility of the property owner to sign the deed restrictions and protective covenants form while the applicant is responsible for ensuring that the deed restrictions are recorded. By the notarized signature(s) below, the permit holder(s) certify that the recorded property restrictions and protective covenants for this project, if required, shall include all the items required in the permit and Iisted on the forms available on the website, 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 NC DWQ and that they will be recorded prior to the sale of any lot. VIII. CONSULTANT INFORMATION AND AUTHORIZATION Applicant: Complete this section if you wish to designate authority to another individual and/or firm (such as a consulting engineer and/or firm) so that they may provide information on your behalf for this project (such as addressing requests for additional information). Consulting Engineer:Chris Russell, P.E. Consulting Firm: East Coast Engineering & Surveyin , P.C. Mailing Address:PO Box 2469 City:Shallotte State: Phone: (910 ) 754-8029 Eniail:crussell©eces.biz Zip:28459 Fax: (910 ) 754-8049 IX. PROPERTY OWNER AUTHORIZATION (if Contact Infornnraion, item 2 has been filled orrt, connnplete this section) I, (print or type name of person listed in Contact Innfornnatiot, item 2n) certify that I own the property identified in this permit application, and thus give permission to (print or type nanne of person listed in Contact h1fornrationn, itenr 7a) with (print or type name of organization listed in Contact Information, itennn 1a) to develop the project as currently proposed. A copy of the lease agreement or pending property sales contract has been provided with the submittal, which indicates the party responsible for the operation and maintenance of the stormwater system. Form SWU-101 Version 071un2010 RF CEI V ED FBB 4 9 2012 BY: Page 5 of 6 As the legal property owner I acknowledge, understand, and agree by my signature below, that if my designated agent (entity listed in Contact Information, item 'l) dissolves their company and/or cance:.ls or defaults on their lease agreement, or pending sale, responsibility for compliance with the DWQ Stormwater permit reverts back to me, the property owner. As the property owner, it is my responsibility to notify DWQ immediately and submit a completed Name/Ownership Change Form within 30 days; otherwise I will be operating a stormwater treatment facility without a valid permit. I understand that the operation of a stormwater treatment facility without a valid permit is a violation of NC General Statue 143-215.1 and may result in appropriate enforcement action including the assessment of civil penalties of up to $25,000 per day, pursuant to NCGS 143-215.6. Signature: Date: a Notary Public for the State of County of , do hereby certify that personally appeared before me this _ day of , T, and acknowledge the due execution of the application for a stormwater permit. Witness my hand and official seal, SEAL My commission expi X. APPLICANT'S CERTIFICATION I, (print or type name of person listed in Contact Information, item 1a) Deanna Antonio certify that the information included on this permit application form is, to the best of my knowledge, correct and that the project will be constructed ,in conformance with the approved plans, that the required deed restrictions and protective covenants will be recorded, and that the proposed project complies with the requirements of the applicable stormwater rules under 15A NCAC 2I 1 .1000, SL 2006-246 (Ph. I1-Post Construction) or SL 2008-211, Signature:_ ��/H,� /,�.?� Date: 1;Vr2L(.tLh,.tp_ , I, q�a.r� t n n a Notary Public for the State ofNP ✓ +�c.*e ii ko-.. County of -P."reu� ]4 eJ(_ do hereby certify that 1��A�►na_ r��a►►i p personally appeared before me this k, day of vb_rurt.r cam. _ _�, 01 and acknowledge the due execution of the application for ,a stormwater permit. Witness my hand and official seal, %L Lea� `t��tttU4tllt lrlrrrry �P1S G- ?` I A n c_? v� ''I ,��rJl �r IIIILili�f ill,` SEAL My commission expires t-n-f— dx k.A.D �3 � NX,( k;�i\ ffD EEB 0 9.2012 BY: Form SWU-101 Version 07Jun2010 Page 6 of Permit (to be provided by OWQ) AO�OF wAr�ROG TA STORMWATER MANAGEMENT PERMIT APPLICATION FORM HCDENR 401 CERTIFICATION APPLICATION FORM INFILTRATION BASIN SUPPLEMENT This form must be filled out, printed and submitted. The Required Items Checklist (Part Ill) must be printed, tilled out and submitted along with all of the required information. Pro}ect Name Contact Person Phone Number Date Drainage Area Number Brunswick County Habitat for Humanity, Inc. J. Christian Russell, P.E. 910-232-0692 218/2012 Site Characteristics Drainage area 63,625,60 ff2 Impervious area 26,566.00 {t2 Percent impervious 41.75 % Design rainfall depth 1,50 in Peale Flow Calculations 1-yr, 24-hr rainfall depth 3.80 in 1-yr, 24-hr intensity 0.16 inthr Pre -development 1-yr, 24-hr discharge 2.10 f131sec Post -development 1-yr, 24-hr discharge 5.20 ft3/sec Pre/Post 1-yr, 24-hr peak Flow control 3.10 ft3/sec Storage Volume: Non -SA Waters Minimum design volume required 3,386,00 {f' Design volume provided 4,951.00 ft3 OK for non -SA waters Storage Volume: SA Waters 1.5" runoff volume h3 Pre -development 1-yr, 24-hr runoff volume ff' Post -development 1-yr, 24-hr runoff volume {f' Minimum required volume ft3 Volume provided #t' Soils Report Summary Soil type SAND Infiltration rate 13.00 inlhr SHWT elevation 34.50 fmsl Basin Design Parameters Drawdown time 0,40 days OK Basin side slopes 5,00 :1 OK Basin bottom elevation 37.50 fmsl OK Storage elevation 38.50 fmsl Storage Surface Area 6,113.00 f12 Top elevation 38.50 fmsl Basin Bottom Dimensions Basin length 200.00 ft Basin width 40.00 fi Bottom Surface Area 3,809.00 fie Form SW401-Infiltration Basin-Rev.5 11Apr2011 RECEIVED FEB 0 9 2012 BY: OR/ Parts I. & tl. Design Summary ale2 Permit No, (to be provided by DWQ) Additional Information Maximum runoff to each inlet to the basin? 2.00 ac-in OK Length of vegetative filter for overflow NA ft OK Distance to structure 50.00 ft OK Distance from surface waters NA ft OK Distance from water supply well(s) NA ft OK Separation from impervious soil layer 2,00 ft OK Naturally occuring soil above shwt 3.00 ft OK Bottom covered with 4-in of clean sand? Y (Y or N) OK Proposed drainage easement provided? NA (Y or N) OK Capures all runoff at ultimate build -out? Y (Y or N) OK Bypass provided for larger storms? NA (Y or N) OK Pretreatment device provided NONE RECEIiTED FEB 0 9 20 2 BY: Form SW401-Infiltration Basin-Rev.5 11Apr2011 Parts I. & II. Design Summary, Page 2 of 2 Permit (to be provided by DWQ) NI. REQUIRED ITEMS CHECKLIST Please indicate the page or plan sheet numbers where the supporting documentation can be found. An incomplete submittal package will result in a request for additional information. This will delay final review and approval of the project. Initial in the space provided to indicate the following design requirements have been met. If the applicant has designated an agent, the agent may initial below. If a requirement has not been met, attach justification. Pagel Plan Ini 'als Sheet No. SEE PLANS Plans (1" - 50' or larger) of the entire site showing: - Design at ultimate build -out, - Off -site drainage (if applicable), - Delineated drainage basins (include Rational C coefficient per basin), - Basin dimensions, - Pretreatment system, - High flow bypass system, - Maintenance access, - Proposed drainage easement and public right of way (ROW), - Overflow device, and - Boundaries of drainage easement. NA 2. Partial plan (1" = 30' or larger) and details for the infiltration basin showing: - Bypass structure, Maintenance access, Basin bottom dimensions, - Basin cross-section with benchmark for sediment cleanout, Flow distribution detail for inflow, Vegetated filter, and - Pretreatment device. SW1 3. Section view of the infiltration basin (1" = 20' or larger) showing: Pretreatment and treatment areas, and Inlet and outlet structures. SW1 4. A table of elevations, areas, incremental volumes & accumulated volumes to verify the volume provided. SEE REPORT 5. A soils report that is based upon an actual field investigation, soil borings, and infiltration tests. The results of the soils report must be verified in the field by DWQ, by completing & submitting the soils investigation request form. County soil maps are not an acceptable source of soils information. SW1 6. A construction sequence that shows how the infitlration basin will be protected from sediment until the entire drainage area is stabilized. SEE CALCS 7. The supporting calculations. E AGREEMEN 8. A copy of the signed and notarized operation and maintenance (0&M) NA 9. A copy of the deed restrictions (if required). Form SW401-Infiltration Basin-Rev.4 Page 1 of 1 FEB 0 9 2012 GZ �q/ Part III, Required Items Checklist, Page�1�Of 1 Permit ) (Io be provided by DW4) Aof wa r�q o pG TA STORMWATER MANAGEMENT PERMIT APPLICATION FORM r NC®ENR 401 CERTIFICATION APPLICATION FORM INFILTRATION BASIN SUPPLEMENT This form must be filled out, printed and submitted. The Required Items Checklist (Part 111) must be printed, filled out and submitted along with all of the required information. 01P.ROJECTjiNFQR_ MATION Project Name Brunswick County Habitat for Humanity, Inc. Contact Person J. Christian Russell, P.E. Phone Number 910-232-0692 Date 21812012 Drainage Area Number 2 II11DESI_GWINFORMAT ION Site Characteristics Drainage area 11,625.60 ft2 Impervious area 7,606.00 ft2 Percent impervious 65.42 % Design rainfall depth 1.50 in Peak Flow Calculations 1-yr. 24-hr rainfall depth 3.80 in 1-yr, 24-hr intensity 0.16 inlhr Pre -development 1-yr, 24-hr discharge 0.40 h'isec Post -development 1-yr, 24-hr discharge 1.30 ff'isec Pre/Post 1-yr, 24-hr peak flow control 0.90 ft'lsec Storage Volume: Nan -SA Waters Minimum design volume required 928.00 h' Design volume provided 944,00 ft' OK for non -SA waters Storage Volume: SA Waters 1.5' runoff volume ft' Pre -development 1-yr, 24-hr runoff volume ft' Post -development 1-yr, 24-hr runoff volume ft' Minimum required volume ft' Volume provided ft' Soils Report Summary Soil type SAND Infiltration rate 13.00 inthr SHWT elevation 34.50 fmsl Basin Design Parameters Drawdown time 0.92 days OK Basin side slopes 5.00 :1 _ OK f<JECEIVED Basin bottom elevation 37.50 fmsl OK Storage elevation 38,50 fmsl FEB 0 9 2012 Storage Surface Area 1,460.00 ft2 Top elevation 38.50 fmsl BY: Basin Bottom Dimensions Basin length 90.00 ft Basin width 25.00 ft Bottom Surface Area 449.00 ft2 Form SW401-Infi1tration Basin-Rev.5 11Apr2011 0111GAI� Parts 1. & II. Design Summary, Page 1 of 2 Permit No. (to be provided by DWQ) Additional Information Maximum runoff to each inlet to the basin? 2.00 ac-in OK Length of vegetative filter for overflow NA ft OK Distance to structure 20.00 ft OK Distance from surface waters NA ft OK Distance from water supply wells) NA ft OK Separation from impervious soil layer 2.00 ft OK Naturally occuring soil above shwt 3.00 ft OK Bottom covered with 4-in of clean sand? Y (Y or N) OK Proposed drainage easement provided? NA (Y or N) OK Capures all runoff at ultimate build -out? Y (Y or N) OK Bypass provided for larger storms? NA (Y or N) OK Pretreatment device provided NONE JKECEIVED FEB 0 9 2012 BY: Form SW401-Infiltration Basin-Rev.5 11Apr2011 Parts I. & II. Design Summary, Page 2 of 2 Permit No. (to be provided by OWQ) III. REQUIRED ITEMS CHECKLIST Please indicate the page or plan sheet numbers where the supporting documentation can be found. An incomplete submittal package will result in a request for additional information. This will delay final review and approval of the project. Initial in the space provided to indicate the following design requirements have been met. If the applicant has designated an agent, the agent may initial below. If a requirement has not been met, attach justification. Pagel Plan Initials Sheet No. SEE PLANS 1. Plans (1" - 50' or larger) of the entire site showing: Design at ultimate build -out, Off -site drainage (if applicable), Delineated drainage basins (include Rational C coefficient per basin), Basin dimensions, - Pretreatment system, - High flow bypass system, - Maintenance access, - Proposed drainage easement and public right of way (ROW), Overflow device, and Boundaries of drainage easement. NA 2. Partial plan (1" = 30' or larger) and details for the infiltration basin showing: Bypass structure, Maintenance access, - Basin bottom dimensions, - Basin cross-section with benchmark for sediment cleanout, - Flow distribution detail for inflow, Vegetated filter, and -Pretreatment device. SW1 3. Section view of the infiltration basin (1" = 20' or larger) showing: Pretreatment and treatment areas, and j_ SW1 Inlet and outlet structures. 4. A table of elevations, areas, incremental volumes & accumulated volumes to verify the volume provided. SEE REPORT 5. A soils report that is based upon an actual field investigation, soil borings, and infiltration tests. The results of the soils report must be verified in the field by DWQ, by completing & submitting the soils investigation request form. County soil maps are not an acceptable source of soils information. 5W1 6. A construction sequence that shows how the infiltration basin will be protected from sediment until the entire drainage area is stabilized. SEE CALCS 7. The supporting calculations. E AGREEMEN 8. A the notarized copy of signed and operation and maintenance (0&M) agreement. _GW NA 9. A copy of the deed restrictions (if required). �c-EIVED FEB 0 9 2012 BY: Form SW401-Infiltration Basin-Rev.4 Page 1 of 1 Part III. Required Items Checklist, Page 1 of 1 Permit Number: O ���� (to be provided by DWQ) Drainage Area Number: Infiltration Basin 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. Any deficient BMP elements noted in the inspection will be corrected, repaired or replaced immediately. These deficiencies can affect the integrity of structures, safety of the public, and the removal efficiency of the BMP. Important maintenance procedures: The drainage area will be carefully managed to reduce the sediment load to the infiltration basin. - Immediately after the infiltration basin is established, the vegetation will be watered twice weekly if needed until the plants become established (commonly six weeks). - No portion of the infiltration basin will be fertilized after the initial fertilization that is required to establish the vegetation. - The vegetation in and around the basin will be maintained at a height of approximately six inches. After the infiltration basin is established, it will be inspected once a quarter 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: Potentialproblem: How I will remediate theproblem: The entire BMP Trash/debris is present. Remove the trash/debris. The perimeter of the Areas of bare soil and/or Regrade the soil if necessary to infiltration basin erosive gullies have formed. remove the gully, and then plant a ground cover and water until it is established. Provide lime and a one-time fertilizer application. The inlet device: pipe or The pipe is clogged (if Unclog the pipe. Dispose of the Swale applicable). sediment off -site. The pipe is cracked or Replace the pipe. otherwise damaged (if a licable). Erosion is occurring in the Regrade the swale if necessary to swale (if applicable). smooth it over and provide erosion control devices such as reinforced turf matting or riprap to avoid future problems with erosion. Dorm SW401-Infiltration Basin O&NI-Rev.3 FEB 0 9 2012 BY: ORIGINAL. Page I of 3 BMP element: The forebay The main treatment area The embankment The outlet device The receiving water Potential problem: Sediment has accumulated and reduced the depth to 75% of the original design depth. Erosion has occurred or riprap is displaced. Weeds are present. A visible layer of sediment has accumulated. Water is standing more than S days after a storm event. Weeds and noxious plants are growing in the main treatment area. Shrubs or trees have started to grow on the embankment. An annual inspection by an appropriate professional shows that the embankment needs repair. Clogging has occurred The outlet device is damaged Erosion or other signs of damage have occurred at the outlet. Form SW401-Inliltration Basin O&M-Rev.3 How I will remediate the problem: Search for the source of the sediment and 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 BMP. Provide additional erosion protection such as reinforced turf matting or riprap if needed to prevent future erosion problems. Remove the weeds, preferably by hand, If pesticides are used, wipe them on the plants rather than Search for the source of the sediment and 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 BMP. Replace any media that was removed in the process. Revegetate disturbed areas immediately. Replace the top few inches of filter media and see if this corrects the standing water problem. If so, revegetate immediately. If not, consult an appropriate professional for a more extensive repair. Remove the plants by hand or by wiping them with pesticide (do not sprav). Remove shrubs or trees immediately. Make all needed repairs. Clean out the outlet device. Dispose of the sediment off -site. Repair or replace the outlet device. Contact the NC Division of Water Quality 401 Oversight Unit at 919- 733-1756. 3 Permit Number: (to be provided byy D1VQ) 9 I acknowledge and agree by any signature below that I am responsible for the performance of the maintenance procedures listed above. 1 agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party. Project name -.Habitat for Humanityr,�►-,c . BMP drainage area number: I Print name: Deanna Antonio Title: Executive Director Address:4255 Long Beach Road, Oak Island, North Carlolina 28485 Phone:910-454-0007 Signature: Date: Note: The legally responsible party should not be a homeowners association unless more than 50% of the lots have been sold and a resident of the subdivision has been named the president. I, hr7 , a Notary Public for the State of /✓o r,_> ' ro i; n County of Kunz w :,� , do hereby certify that �4-. anr'ta A) +bn a,a personally appeared before me this cAnd day of re.bi-t.Cant oZ o t , and acknowledge the clue execution of the forgoing infiltration basin maintenance requirements. Witness my hand and official sea], •'�yi 77 k SEAL My commission expires GA.n e._ o� p 13 7FE8 CET�VEI, 0 9 2012 Form SW401-infiltration Basin O&M-Rev.3 Page 3 o F 3 ,4 Permit Number:J��� � v 1� (to be provided by DTVQ) Drainage Area Number: Infiltration Basin Operation and Maintenance Agreement I will keep a maintenance record on this BMP. This maintenance record will.be kept in a log in a [mown set location. Any deficient BMP elements noted in the inspection will be corrected, repaired or replaced immediately. These deficiencies can affect the integrity' of structures, safety of the public, and the removal efficiency of the BMP. Important maintenance procedures: — The drainage area will be carefully managed to reduce the sediment load to the infiltration basin. — Immediately after the infiltration basin is established, the vegetation will be watered twice weekly if needed until the plants become established (commonly six weeks). — No portion of the infiltration basin will be fertilized after the initial fertilization that is required to establish the vegetation. — The vegetation in and around the basin will be maintained at a height of approximately six inches. After the infiltration basin is established, it will be inspected once a quarter 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: Potentialproblem: How I will remediate theproblem: The entire BMP Trash/debris is present. Remove the trash/debris. The perimeter of the Areas of bare soil and/or Regrade the soil if necessary to infiltration basin erosive gullies have formed, remove the gully, and then plant a ground cover and water until it is established. Provide lime and a one-time fertilizer application. The inlet device: pipe or The pipe is clogged (if Unclog the pipe. Dispose of the swale applicable). sediment off -site. The pipe is cracked or Replace the pipe. otherwise damaged (if applicable). Erosion is occurring in the Regrade the swale if necessary to Swale (if applicable). smooth it over and provide erosion control devices such as reinforced turf matting or riprap to avoid future problems with erosion. Form SW401-Infiltration Basin O&M-Rev.3 FEB 0 g. 2012 ORI 11V I al,e 1 of 3 A L BMP element: The forebay The main treatment area The embankment The outlet device The receiving water Potential problem: Sediment has accumulated and reduced the depth to 75% of the original design depth. Erosion has occurred or riprap is displaced. Weeds are present A visible layer of sediment has accumulated. Water is standing more than 5 days after a storm event. Weeds and noxious plants are growing in the main treatment area. Shrubs or trees have started to grow on the embankment. An annual inspection by an appropriate professional shows that the embankment needs revair. Clogging has occurred The outlet device is damagec Erosion or other signs of damage have occurred at the outlet. How I will remediate the problem: Search for the source of the sediment and 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 BMI'. Provide additional erosion protection such as reinforced turf matting or riprap if needed to prevent future erosion problems. Remove the weeds, preferably by hand, If pesticides are used, wipe them on the plants rather than spraying. Search for the source of the sediment and 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 BMP. Replace any media that was removed in the process. Revegetate disturbed areas immediately. Replace the top few inches of filter media and see if this corrects the standing water problem. If so, revegetate immediately. If not, consult an appropriate professional for a more extensive repair Remove the plants by hand or by wiping them with pesticide (do not Remove shrubs or trees immediately. Make all needed repairs. Clean out the outlet device. Dispose of the sediment off -site. Rep it or replace the outlet device. Contact the NC Division of Water Quality 401 Oversight Unit at 919- 733-1786. f EC-EIVFD FES 0 9 2012 Form SW401-Infiltration Basin O&M-Rev.3 Page 2 of 3 Permit Number: (to be provided b), DWQ) I acknowledge and agree by my signature below that I ain 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. r�ruPIS wi_CL COU04LA Project name BMP drainage area nuniber:2 Print name: Deanna Antonio Title: Executive Director Address:4255 Long Beach Road, Oak Island, North Carlolina 28485 Phone:910-454-0007 Signature: 6il� _ Date: ZtqwzAu-v ,2. , 20, Note: The legally responsible party should not be a homeowners association unless more than 50% of ' the lots have been sold and a resident of the subdivision has been named the president. I, I"rt , a Notary Public for the State of County of �n�„swi��L , do hereby certify that +' personally appeared before the this day of Fel rt...& 01A, and acknowledge the due execution of the forgoing infiltration basin maintenance requirements. Witness my hand and official seal, SEAL My commission expires t...^e— a s o1,3 RECEIVED FEB 0 9 2012 Form SW401-inf►ltration Basin O&M-Rev.3 Page 3 of 3 BY: j Brunswick County Habitat for Humanity Stormwater Permit No. SW8 120206 Brunswick County Designer's Certification w h Lt , as a du arolina, having been a time) the construction of the project, `1W -- //, 01,fv;i. (Project) State Stormw 'ter Management Systems Permit No. SW8 120206 J l� istered ized to observe (periodic in the weekly/ full for "Iyrj X-n.+AJ <y (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 /��4- Date %© 2 z1 Z- \NtMC rr7, f /Q S (�:a SCAL 35054 •% IN ECEIVE OCT 2 4 2012 BY: Page 6 of 7 State Stormwater Management Systems Permit No. SWS 12020E Certification Requirements: /1. The drainage area to the system contains approximately the permitted g Y pp Y / acreage. y 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. ,NIA _5. The bypass structure weir elevation is per the approved plan. 6. The bypass structure is located per the approved plans. AA �7. A Trash Rack is provided on the 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. V 11. The permitted amounts of surface area and/or volume have been provided. /12. All required design depths are provided. v 13. All required parts of the system are provided. /14. The required system dimensions are provided per the approved plans. cc: NCDENR-DWQ Regional Office Brunswick County Building Inspections Page 7 of 7 East Coast Enginndeerri'r�g & Surveying, P.C. ENGINEEIRS •P'EANNERS•SURVEYORS October 22, 2012 Ms. Georgette D. Scott Stormwater Supervisor NCDENR Surface Water Protection Section 127 Cardinal Drive Extension Wilrrungton, North Carolina 28405-3845 Subject: Habitat for Humanity Ocean Isle Beach Resale Store Ocean Isle Beach, North Carolina Stormwater hermit No. SW8 120206 High Density, Project — Designer's Stormwater Certification Dear Ms. Scott: On behalf of our Client, I-Iabitat for Hurnarity, please find enclosed the required Designer's Certification form and checklist for the subject project. By copy of this letter, we are forvarding a copy of the enclosed Designer's Certification form and checklist to 1\4r. Justin Whiteside of the Town of Ocean Isle Beach. We are also forwarding a copy of this information to NIs. Deanna Antonio of [-Iabitat for 1-Tutnaiity for her files. Should you have any questions or require any additional information, please contact our office at your convenience. Sincerely, AAan.wis Project Alanager Enclosures PC: 1\1s. Deanna Antonio, Executive Director, I-Iabitat for Humanity via 11mai1 11Ir. Justin Whiteside, Town of Ocean Isle Beach via Email BY: File: 1076 (I Iabitat for Humanity) 4918 MAIN STREET • POST OFFICE BOX 2469 • SHALLOTTE, NORTH CAROLINA 28459 • TEL: 910-754-8029 • Fax: 910-754-8049 FIRM LICENSE NUMBER: C-3014