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HomeMy WebLinkAboutSW8111117_CURRENT PERMIT_20121001STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW �/(C(�� DOC TYPE CURRENT PERMIT ff APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE mO/ YYYYMMDD a NCDETIR North Carolina Department of Environment and Natural Resources Division of Water Quality Beverly Eaves Perdue Charles Wakild, P E Governor Director October 1, 2012 Kay Brody 209 Lindaman's Drive Cary, NC 27519 Subject Stormwater Management Permit No SW8111117 966 Ocean Boulevard West High Density Commercial infiltration Basin Project Brunswick County Dear Ms Brody Dee Freeman Secretary The Wilmington Regional Office received a complete State Stormwater Management Permit Application for 966 Ocean Boulevard West on August 29, 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 SW8 111117 dated October 1, 2012, for the construction, operation and maintenance of the BMP's and built -upon area associated with the subject protect This permit shall be effective from the date of issuance until October 1, 2020, and shall be subject to the conditions and limitations as specified therein Please pay special attention to the conditions listed in this permit regarding the Operation and Maintenance of the BMP(s), certification of the BMP's, procedures for changing ownership, transferring the permit, and renewing the permit Failure to establish an adequate system for operation and maintenance of the stormwater management system, to certify the BMP's, to transfer the permit, or to renew the permit, 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 You should contact the OAH with all questions regarding the filing fee (if a filing fee is required) and/or the details of the filing process at 6714 Mail Service Center, Raleigh, NC 27699-6714, or via telephone at 919-431-3000, or visit their website at www NCOAH com 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 Linda Lewis, at (910) 796-7215 Sinc rely, 57,n Charles rakild, P E , Director Division of Water Quality GDS/arl S IWQSIStormwaterlPermits & Proaects120111111117 HD12012 10 permit 111117 cc Don Covil, P E , Compass Pointe Engineering Tim Evans, Town of Holden Beach Building Inspections Brunswick County Engineering Holley Snider, DCM Wilmington Regional Office Stormwater File Wilmington Regional Office 127 Cardinal Drive Extension Wilmington North Carolina 28405 One Phone 910 796 72151 FAX 910350 20041 DENR Assistance 1-877-623-6748 N Carohna Internet NrvvHr ncwaterquahty org ���y�a//�'J/ An EqualOpportundylAtfirmativeAction Employer ` ll State Stormwater Management Systems Permit No SW8 111117 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 Kay Brody 966 Ocean Boulevard West 966 Ocean Boulevard West, Holden Beach, Brunswick County FOR THE construction, operation and maintenance of one (1) infiltration basin(s) in compliance with the provisions of Session Law 2008-211 and 15A NCAC 2H 1000 (hereafter referred to as the "stormwater rules') for projects within '/Z mile of and draining to SA classified waters, 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 October 1, 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 18 on page 3 of this permit The stormwater control has been designed to handle the runoff from 2,558 square feet of impervious area 3 This basin has been designed to handle the volume of the 10-year 24-hour storm without overtopping, therefore, the offline bypass and vegetated filter are waived 4 The tract will be limited to the amount of built -upon area indicated in Section 18 of this permit, and as shown on the approved plans There is no allocation of future built -upon area in this permit 5 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 Page 2 of 7 State Stormwater Management Systems Permit No SW8 111117 . 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 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 8 The following design criteria have been permitted for the infiltration basin and must be provided and maintained at design condition a Drainage Area, acres 0 104 Onsite, ft2 4537 Offsite, ft 0 b Total Imperviou? Surfaces, ft2 2,558 Onsite, ft 2,558 Offsite, ft2 0 c Design Storm, inches 385 d Basin Depth, feet 20 e Bottom Elevation, FMSI 50 f Bottom Surface Area, ft 510 g Bypass Weir Elevation, FMSI 70 t� Permitted Storage Volume, ft 1,020 1 Predevelopment 1 yr 24 hr peak flow, cfs 0 1 Post -development 1 yr 24 hr peak flow, cfs 0 (All infiltrated) k Type of Soil Corolla Sand I Expected Infiltration Rate, in/hr 150 m Seasonal High Water Table, FMSL 30 n Time to Draw Down, hours <5 hours o Receiving Stream/River Basin Intracoastal Waterway 1 LBR p Stream Index Number 15-25 q Classification of Water Body "SA, HQW" 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 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 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 k Page 3 of 7 State Stormwater Management Systems 4 Permit No SW8 111117 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 5 The proposed stormwater system is an infiltration device, therefore, it is not recommended for use as a temporary Erosion Control device 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 Redesign or addition to the approved amount of built -upon area or to the drainage area c Further development, subdivision, acquisition, lease or sale of any, all or ppart of the protect area d 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 protect are incorporated by reference and are enforceable parts of the permit Page 4 of 7 State Stormwater Management Systems Permit No SW8 111117 r 2 This permit is not transferable to any person or entity except after notice to and i approval by the Director At least 30 days prior to an ownership change, 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) having 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 1 st day of October 2012 NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION By Authority of the Environmental Management Commission Page 5 of 7 State Stormwater Management Systems Permit No SW8 111117 `I 966 Ocean Boulevard West Stormwater Permit No SW8 111117 Brunswick Count 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 111117 Certification Requirements 1 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 Tim Evans, Town of Holden Beach Building Inspections Page 7 of 7 DWQ USE ONLY Datc Received F Paid Permit Number 0/ r Applicable Rules © Coastal SW -1995 C1 Coastal SW - 2008 0 Ph II - 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 77us forni may be photocopied for use as an original I 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 } 966 Ocean Boulevard West Stormwater Plan, Holden Beach, NC 2 Location of Project (street address) 966 Ocean Boulevard West City Holden Beach County Brunswick Zip 28462 3 Directions to project (from nearest major intersection) From intersection of NC 130 and Ocean Boulevard on the island of Holden Beach travel west 41 miles The project is on the right at 966 Ocean Boulevard West 4 Latitude 330 54' 26" N Longitude -78° 20' 21" W of the main entrance to the project II 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 ❑Parhally Completed" ❑ Completed• "provide a designer's certification 2 Specify the type of project (check one) ❑Low Density ®High Density ❑Drams to an Offsite Stormwater System ❑Other 3 if this application is bemg submitted as the result of a previously returned application or a letter from DWQ requeshng a state Stormwater management permit application, list the Stormwater 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) ®CAMA Major ❑Sedimentation/Erosion Control _ ❑NPDES Industrial Stormwater 0404/401 Permit Proposed Impacts ac of Disturbed Area b If any of these permits have already been acquired please provide the Project Name, Project/Permit Number, issue date and the type of each permit EGEIVE MAY 0 3 2012 Farm SWU-101 Version 07Jun2010 Page l of 6 BY 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 Meet) Applicant/Organization _Kay Brody Signing Official & Title Kay Brody, Owner b Contact information for person Iisted in item 1a above Street Address 209 Llndamans Drive City Cary State NC Zip 27519 Mailing Address (if applicable) same City State Zip Phone 919 462-1936 Fax ( Email kay brody@gmail 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 Mailmg Address (if applicable) City Phone f-]-- - - - -- Email State Zip State Fax Zip 3 a (Optional) Print the name and title of another contact such as the projeces construction supervisor or other person who can answer questions about the protect PECEIVE Other Contact Person/Orgaruzahon BY Signing Official & Title Scott Quamtance, Owner b Contact information for person listed in item 3a above Mailing Address 6934-9 Beach Drive SW City Ocean Isle Beach State NC Zip 28469 Phone ((910 ) 279-4590 Fax Email blueh2o®atmc net 4 Local jurisdiction for building permits Town of Holden Beach Point of Contact Tim Evans Phone # (910 ) 842-9315 Form SWU-101 Version 07Jun2010 Page 2 of IV PROJECT INFORMATION 1 In the space provided below, briefly summarize how the stormwater runoff will be treated Stormwater runoff from built -upon areas shall be collected and directed to an infiltration basin sited for the 10-year, 24-hour rainfall event at 112 the infiltration rate presented in the protect soils report 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 regulation(s) 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 rotal Property Area 01318 acres 5 Total Coastal Wetlands Area 0 026 acres 6 Total Surface Water Area acres 7 I otal Property Area (4) - Total Coastal Wetlands Area (5) - total Surface Water Area (6) = Total Project Area' 01058 acres Total project area shall be calculated to exclude the follottmii tire nornial pool of impounded structures, the area between the banks of streams and rivers, lire area below the Normal High Water (NHM line or Mean Hr$h Water (MHW) lure, and coastal wetlands landward from tire NHW (or MHM line The resultant project H is used to calculate overall percent built upon area (BUA) Noti-coastal roetlarids landward of the NHW W) linemay be included in lire total project area 8 Project percent of impervious area (Total Impervious Area / Total Project Area) X 100 = 55 5 9 How many drainage areas does the project have? 1 (For high density, count I for each proposed engineered stormwater BMP For low density and other pro)ects, rise I 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 _ Drainage Area Drainage Area Receiving Stream Name Intracoastal Waterway Stream Class * SA, HQW Stream Index Number * 15-25 Total Drainage Area (so 4537 On -site Drama a Area (so 4537 Off -site Drainage Area (so 0 Pro osed Impervious Area**(so 2558 % Impervious Area"* total 5638 Impervious" Surface Area Drama g a Area Draina a Area. Drainage Area Drauta a Area On -site Buildings/Lots (so 1783 On -site Streets (so On -site Parking (so 775 a WWI On -site Sidewalks (so Other on -site (so Future (so Off -site (so Existmg BUA*** (so To (sf) 2558 " Stream Class and Index Number can be determined at lit!L),/(pgrtal rrcdeirr oizIurebAtng/ns/csu/classifications Form SWU-101 Version 07Jun2010 Page 3 of 6 Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas, sidewalks, gravel areas, etc 'Report only that amount of existing BUA that will remain after development Do not report any existing B UA that is to be removed and which will be replaced by new BUA 11 How was the off -site impervious area listed above determined? Provide documentation (n/a) Projects in Union County Contact DWQ Central Office staff to check if the project is located within a Threatened & Endangered Species watershed that maybe subject to more stringent stormwater requirements as 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 http //portal ncdenr org/web/wq/ws/su/bmp-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 ncdenr org/web/wq/ws/su/statesw/forms does 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 or&/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 does — mtials 1 Original and one copy of the Stormwater Management Permit Appication Form 2 Original and one copy of the signed and notarized Deed Restrictions & Protective Covenants A Form (if required as per Part VII below) 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 toL h www envhel org/pages/onestopexRress html 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) 5 A detailed narrative (one to two pages) describing the stormwater treatment/managementfo 4)2��. the project This 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 1/2 mile of the site boundary, include the 1/2 mile radius on the map 7 Sealed, signed and dated calculations 8 Two sets of plans folded to 8 5" x 14" (sealed, signed, & dated), including a Development/Project name b Engineer and firm c Location map with named streets and NCSR numbers d Legend e North arrow f Scale g Revision number and dates C� h Identify all surface waters on the plans by delineating the normal pool elevatio G impounded structures, the banks of streams and rivers, the MHW or NHW Im f tidal waters, and any coastal wetlands landward of the MHW or NHW tines MAY Q 3 2012 • Delineate the vegetated buffer landward from the normal pool elevation o pounde3 structures, the banks of streams or rivers, and the MHW (or NHW) of tida ters 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 t Details of roads, drainage features, collection systems, and stormwater control measures Form SWU-101 Version 071un2010 Page 4 of 6 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 who made the determination on the plans n Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations o Drainage areas delineated (included in the main set of plans, not as a separate document) p Vegetated buffers (where required) 9 Copy of any applicable soils report with the associated SHWT elevations (PIease 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"x11" 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 vertfij the SHW7 prior to submittal, (910) 796-7378 ) 10 A copy of the most current property deed Deed book 16 Page No 41 11 For corporations and limited liability corporations (LLC) Provide documentation from the NC r \ 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 2H 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 hfV / /www secretary state nc us/Corporations/CSearch aspx VII 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, Iot 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 / /mortal ncdenr org web/wqf ws/su/stateswZformsdocs 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 listed 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 and consulting engineer and/or firm) so that they may provide information on your bE addressing requests for additional information) Consulting Engineer Consulting Firm Compass Pointe Engineering, PA 8Y' MAY 0 3 2012 Mailing Address 5041-3 Main Street City Shallotte State NC Zip 28470 Phone (910 ) 755-5872 Email dcovil cpe®atmc net Fax (910 ) 755-5875 IX PROPERTY OWNER AUTHORIZATION (if Contact Information, item 2 has been filled out, complete tilts section) 1, (print or hype name of person listed in Contact Information, item 2a) , certify that I own the property identified in this permit application, and thus give permission to (print or type name of person listed in Contact Information, item 1a) with (print or type name of organization listed in Contact Information, item 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 07Jun2010 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 1) dissolves their company and/or cancels 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 143-2151 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 . , and acknowledge the due execution of the application for a stormwater permit Witness my hand and official seal, SEAL My commission expires X APPLICANT'S CERTIFICATION 1, (print or hjpe nante of person listed in Contact Inforniation, item 1a) Kay Brody _ 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 restrichons and protective covenants will be recorded, and that the proposed project complies with the requirements of the applicable stormw-ifer Wles)rnder 15A NCAC 2I-I 1000, SL 2006-246 (Ph II - Post Construction) or SL 2008-211 Date 25, /:z I, � 1y I a do hereb certify that . before me this —25ay of �j__ _ a stormwater permit Witness my hand and o. 1,.••ELI NE ,� '•••�, Comm Exp C- 12-10-2012 U o ,o C, Notary Iic for the State of- ce County of SEAL My commission expires Y 9 1 /Q 1 / O- EGEIVE MAY 0 3 2012 BY Form SWU-101 Version 07Jun2010 Page 6 of 6 N • Permit No .. w r a 1/ I ?- (to be provided by DINO) y C1� 1NATL9 , �,I" 10*1 STORMWATER MANAGEMENT PERMIT APPLICATION FORM a NCDENR 401 CERTIFICATION APPLICATION FORM INFILTRATION BASIN SUPPLEMENT This form must be rifled out, pnnted and submitted The Required Items Checklist (Part 111) must be printed, filled out and submitted along with all of the required information 11 PROJECT,'INFORMATION F "� "` 11 1 lYssk.r..l r = Exk�.-u sy t4e.�a..c.r de ��. �!1c �' �- r. �s'�a.u6.A♦w! Project Name 966 Ocean Boulevard West Holden Beach Contact Person Doanld M Cowl P E a Phone Number (910) 7556 5872 "V Date 312612012 + Drainage Area Number 1 Site Characteristics Drainage area 4,53700 ftz Impervious area 2,55800 ft2 Percent impervious 5638 % bt—M Design rainfall depth 723 m (I(a Ur S J Peak Flow Calculations 1 yr 24 hr rainfall depth 385 in 1 yr 24 hr intensity 052 in/hr Pre -development 1-yr, 24-hr discharge 000 ft'lsec Post -development 1-yr 24-hr discharge 000 ft3lsec Pre/Post 1 yr, 24-hr peak flow control 000 ft'/sec Storage Volume Non -SA Waters Minimum design volume required ft3 Design volume provided ft" Storage Volume SA Waters 1 5" runoff volume 2800 ft' Pre development 1 yr, 24-hr runoff volume 7300 ft3 Post -development 1-yr, 24-hr funoff volume 81300 ft' Minimum required volume 74000 ft3 Volume provided 1,02000 fe OK Soils Report Summary Soil type fine sand Infiltration rate 1500 in/hr SHWT elevation 300 fmsl Basin Design Parameters Drawdown time 0 20 days OK Basin side slopes retaining walls 1 OK EC E IVE Basin bottom elevation 500 fmsl OK Storage elevation 700 fmsl Storage Surface Area 51000 a AUG 2 9 2012 Tap elevation 700 fmsl Basin Bottom Dimensions BY: Basin length (varies) ft Basin width (vanes) ft Bottom Surface Area 51000 f? Form SW401 Infiltration Basin Rev 5 11Apr2011 Parts I & 11 Design Summary Page 1 of 2 s. Permit No • (to be provided by D WQ) Addltlonal Information Maximum runoff to each Inlet to the basin? 030 ac In OK Length of vegetative filter for overflow (nla) ft OK Distance to structure (nla) ft OK Distance from surface waters > 100 ft OK Distance from water supply well(s) otable water supp it OK Separation from Impervious soil layer (nla� ft OK Naturally occurmg soil above shwl — 100 ft OK Bottom covered with 4 In of clean sand? X (Y or N) OK Proposed drainage easement provided? (n1a) (Y or N) OK Capures ail runoff at ultimate build -out? X (Y or N) OK Bypass provided for larger storms? (nla) (Y or N) OK Pretreatment device provided (nla) ECEIVE AUG 2 9 2012 BY Form SW401 Infiltration Basin Rev 5 11Apr2011 Paris I a 11 Design Summary Page 2 of 2 Permit No (to be provided by DWQ) Y " ' �� i Hi �r �r�s'77 »1 ,'REQUIRED`iTEMSaCH1ACK IST,�;i�ldi�i Y ,74 ��' ,;t`rr r liY�i ,iYir iii� , �4 Va I4WVJw 0isE�lY „WL 04wj� A srii��ii 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 Fix Page/ Plan Sheet No 1 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 ,42 42 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 3 Section view of the infiltration basin (1" = 20' or larger) showing - Pretreatment and treatment areas, and /'�/j \\ - Inlet and outlet structures 4 A table of elevations, areas, incremental volumes & accumulated volumes to verify the volume provided 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 venfied in the field by DWQ, by completing & submitting the soils investigation request form County soil maps are not an acceptable source of soils information 6 A construction sequence that shows how the infitlration basin will be protected from sediment until the entire drainage area is stabilized 7 The supporting calculations 8 A copy of the signed and notarized operation and maintenance (O&M) agreement 9 A copy of the deed restrictions (if required) ECEI V E MAY 0 3 2012 Y. Form SW401 Infiltration Basin -Rev 4 Page 1 of 1 Parl III Required Items Checklist Page 1 of 1 Permit Number 5� (to he 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 m 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 basm -- 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 10 inches (or 15 inches if in a Coastal County) Records of operation and maintenance will be kept in a known set location and will be available upon request Inspection activities shall be performed as follows Any problems that are found shall be repaired immediately BMP element Potential problem How 1 will remediate the problem 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) sedunent off -site The pipe is cracked or Replace the pipe otherwise damaged (if a Iicable 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 ECEI V E Form SW40 I -Infiltration Basin O&M -Rev 3 MAY 0 3 2012P I of 3 BY BMP The main treatment area The embankment The outlet device The receiving water 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 repair CIogging has occurred The outlet device is dama ed Erosion or other signs of damage have occurred at the outlet Form 5W401-Infiltration Basin O&M -Rev 3 How -]will remedtatethe 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 Rrevent 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 tmmediately 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 T wiping them with pesticide (do not Remove shrubs or trees 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- 733-1786 ECEIVE MAY 0 3 2012 BY Page 2 of 3 y�f Permit Number rjW a I f i I I (!o be provided by DWQ) I acknowledge dnd agree by my signature below that I am responsible for the performance of the maintenance procedures listed above I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party Project name 966 Ocean Boulevard West stormwater Plan Holden Beach NC BMP drainage area number Print name Kay Brod ritle Owner Address 209 Lind&ns Drive, Cary. NC 27519 Phon SignE 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 dow —a Notary Public for the State of N% , County VV , do hereby certify that Kam 'A rokA, personally appeared before me this day oand acknowledge the due execution of the forgoing infiltration basin maintenance requirements Witness my hand and official seal, "�L••p" tN '•» PrrGaJ TAR j-/0,,,,4 � Comm Exp O� 12-10-2012 U .. TO r SEAL'„ m.........••� t My commission expires 10 to, I% ECEIVE MAY 0 3 202 Form 5W40i-Infiltration Basin O&M -Rev 3 fay Hich Density Residential Subdivisions Deed Restrictions & Protective Covenances In accordance with Title 15 NCAC 2H 1000 and S L 2006-246, the Stormwater Management Regulations, deed restrictions and protective covenants are required for High Density Residential Subdivisions where lots will be subdivided and sold and runoff will be treated in an engineered stormwater control facility Deed restrictions and protective covenants are necessary to ensure that the development maintains a "built -upon" area consistent with the design criteria used to size the stormwater control facility I, Kay Brody , acknowledge, affirm and agree by my signature below, that I will cause the following deed restrictions and covenants to be recorded prior to the sale of any lot 1 The following covenants are intended to ensure ongoing compliance with State Stormwater Management Permit Number SW6 111117 as issued by the Division of Water Quality under the Stormwater Management Regulations 2 The State of North Carolina is made a beneficiary of these covenants to the extent necessary to maintain compliance with the stormwater management permit 3 These covenants are to run with the land and be binding on all persons and parties claiming under them 4 The covenants pertaining to stormwater may not be altered or rescinded without the express wntten consent of the State of North Carolina, Division of Water Quality 5 Alteration of the drainage as shown on the approved plan may not take place without the concurrence of the Division of Water Quality B The maximum allowable built -upon area per lot is 2�558 square feet This allotted amount includes any built -upon area constructed within the lot property boundanes, and that portion of the nght-of way between the front lot line and the edge of the pavement Built upon area includes, but is not limited to, structures, asphalt, concrete, gravel, brick, stone, slate, coquina and parking areas, but does not include raised, open wood decking, or the water surface of swimming pools 7 Each lot will maintain a 30** foot wide vegetated buffer between all imp ervi � waters rJUL 05 2012 **50 foot for projects located in the 20 coastal counties BY 8 All runoff from the built -upon areas on the lot must dram into the permitted system This may e accomplished through a vanety of means including roof drain gutters which drain to the street, grading the lot to drain toward the street, or grading penmeter swales to collect the lot runoff and directing them into a component of the stormwater collection system Lots that will naturally drain into the system are not required to provide these additional measures Signature g ymn/f wx a Notary Public in the State of �OYAC l�GtdD � 1 YEA , County of Via kg. , do hereby certify that &a-rrrAU/, % S �t od�-4 personally appeared u before me this the Z +6 day of ` \)W _ , 20—L2=, and acknowledge the due ex cution of the fore of g instrument Witness my hand and official seal, ,�411f111111j� Signature �0 a' My Commission expires 5119 f 20i 57 ^ � 100 l nrm nPT)r _Z Raw ? 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