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HomeMy WebLinkAboutSW7070715_CURRENT PERMIT_20090223STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT. NO. SW jj (% // ; DOC TYPE CURRENT PERMIT APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE 2. gUoZo`� 3 YYYYM M DD WaRO MCDENR North Carolina Department of Environment and Natural Resources Beverly Eaves Perdue Governor Reverend David Waterfield, President Light Assembly of God, Inc. PO Box 459 Buxton. NC 27920 Dear Rev. Waterfield: Division of Water Quality Coleen H. Sullins Director February 23, 2009 Subject: Stormwater Permit No. SW7070715 Modification Lighthouse Assembly of God Church of Buxton High Density Project Dare County Dee Freeman Secretary The Washington Regional Office received a complete Stormwater Management Permit Application for the modification of Lighthouse Assembly of God, Church of Buxton on December 17, 2008. Staff review of the plans and specifications has determined that the project, as proposed, will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H.1000. We are forwarding Permit No. SW7070715MOD dated February 23, 2009, for the construction of the subject project. The stormwater permit issued for this project on August 3, 2007 is hereby rescinded and is replaced by this permit. This permit shall be effective from the date of issuance until August 3, 2017, and shall be subject to the conditions and limitations as specified therein. Please pay special attention to the Operation and Maintenance requirements in this permit. Failure to establish an adequate system for operation and maintenance of the stormwater management system will result in future compliance problems. If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to request an adjudicatory hearing upon written request within thirty (30) days following receipt of this permit. This request must be in the form of a written petition, conforming to Chapter 150E of the North Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Drawer 27447, Raleigh, NC 27611- 7447. Unless such demands are made this permit shall be final and binding. If you have any questions, or need additional information concerning this matter, please contact Scott Vinson, or me at (252) 946-6481. Efincerely, AHodge Regional Supervisor Surface Water Protection Section AH/sav: C:\STORMWAT\PERMIT\SW7070715MOD cc: Robert Stewart, Jr., PE D_�cre County Building Inspections , .-Washington Regional Office Central Files North Carolina Division of Water Quality 943 Washington Square Mall Washington, NC 27889 An Fn„al Onnnnnn!W 1 Arfrmalivn Action Fninlover Internet: www.nmaterquality.org Phone: 252-946-6481 \ FAX: 252-946-9215 FAX: 252-946-9215 NorthCarolina Naturally State Stormwater Management Systems Permit No. SW7070715MOD STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY STATE STORMWATER MANAGEMENT PERMIT HIGH DENSITY DEVELOPMENT In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended; and other applicable Laws, Rules, and Regulations PERMISSION IS HEREBY GRANTED TO Lighthouse Assembly of God Church of Buxton Light Assembly of God, Inc. Dare County FOR THE construction, operation and maintenance of four (4) infiltration basins, connected by a level pipe system, in compliance with the provisions of 15A NCAC 2H .1000 (hereafter referred to as the "stormwater rules') and the approved stormwater management plans and specifications and other supporting data as attached and on file with and approved by the Division of Water Quality and considered a part of this permit. This permit shall be effective from the date of issuance until August 3, 2017, and shall be subject to the following specified conditions and limitations: I. DESIGN STANDARDS This permit is effective only with respect to the nature and volume of stormwater described in the application and other supporting data. This stormwater system has been approved for the management of stormwater runoff as described in Section 1.6 on page 3 of this permit. The stormwater control has been designed to handle the runoff from 38,971 square feet of impervious area. The tract will be limited to the amount of built -upon area indicated on page 3 of this permit, and per approved plans. All stormwater collection and treatment systems must be located in either dedicated common areas or recorded easements. The final plats for the project will be recorded showing all such required easements, in accordance with the approved plans. 5. The runoff from all built -upon area within the permitted drainage area of this project must be directed into the permitted stormwater control system. Page 2 of 7 State Stormwater Management Systems Permit No. SW7070715MOD A The following design criteria have been provided in the infiltration basin and must be maintained at design condition: a. Site Area, acres: b. Total Drainage Area to Basins, ft2: b. Total Impervious Surfaces, ft2: C. Design Storm, inches: d. Basins Depth, feet: e. Bottom Elevation, FMSL: f. Bottom Surface Area, ft2: g. Bypass Overflow Elevation, FMSL: h. Permitted Storage Volume, ft3: i. Type of Soil: j. Expected Infiltration Rate, in/hr: k. Seasonal High Water Table, FMSL: I. Receiving Stream/River Basin: M. Stream Index Number: n. Classification of Water Body: II. SCHEDULE OF COMPLIANCE 4.38 62,729 38,971 1.50 1.00 3.50 4,337 (all 4 basins combined) 4.50 5,426 Fripp, Ousley & Currituck 6.00 1.50 Peters Ditch to Pamlico Sound / Pasquotank 30-22-23 "SA; HQW' 1. The stormwater management system shall be constructed in its entirety, vegetated and operational for its intended use prior to the construction of any built -upon surface. 2. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. 3. The permittee shall at all 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. Page 3 of 7 State Stormwater Management Systems Permit No. SV 7070715MOD 4. Records of maintenance activities must be kept and made available upon request to authorized personnel of DWQ. The records will indicate the date, activity, name of person performing the work and what actions were taken. 5. 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. 6. 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. 7. The stormwater systems shall not be used as Erosion Control devices. They must be kept off line and free from sediment until the project is complete and the entire site has been stabilized. Access to the stormwater facilities shall be maintained via appropriate easements at all times. The permittee shall submit to the Director and shall have received approval for revised plans, specifications, and calculations prior to construction, for any modification to the approved plans, including, but not limited to, those listed below: a. Any revision to any item shown on the approved plans, including the stormwater management measures, built -upon area, details, etc. b. Project name change. C. Transfer of ownership. d. Redesign or addition to the approved amount of built -upon area or to the drainage area. e. Further subdivision, acquisition, lease or sale of all or part of the project area. The project area is defined as all property owned by the permittee, for which Sedimentation and Erosion Control Plan approval or a CAMA Major permit was sought. f. Filling in, altering, or piping of any vegetative conveyance shown on the approved plan. 10. The permittee shall submit final site layout and grading plans for any permitted future areas shown on the approved plans, prior to construction. 11. A copy of the approved plans and specifications shall be maintained on file by the Permittee at all times. 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. 13. This permit shall be effective from the date of issuance until August 3, 2017. Application for permit renewal shall be submitted 180 days prior to the expiration date of this permit and must be accompanied by the processing fee. Page 4 of 7 State Stormwater Management Systems Permit No. SW7070715MOD III. GENERAL CONDITIONS This permit is not transferable except after notice to and approval by the Director. In the event of a change of ownership, or a name change, the permittee must submit a formal permit transfer request to the Division of Water Quality, accompanied by a completed name/ownership change form, documentation from the parties involved, and other supporting materials as may be appropriate. The approval of this request will be considered on its merits and may or may not be approved. The permittee is responsible for compliance with all permit conditions until such time as the Division approves the transfer request. 2. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to enforcement action by the Division of Water Quality, in accordance with North Carolina General Statute 143-215.6A to 143-215.6C. 3. The issuance of this permit does not preclude the Permittee from complying with any and all statutes, rules, regulations, or ordinances, which may be imposed by other government agencies (local, state, and federal) having jurisdiction. 4. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions, the Permittee shall take immediate corrective action, including those as may be required by this Division, such as the construction of additional or replacement stormwater management systems. 5. The permittee grants DENR Staff permission to enter the property during normal business hours for the purpose of inspecting all components of the permitted stormwater management facility. 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. Unless specified elsewhere, permanent seeding requirements for the stormwater control must follow the guidelines established in the North Carolina Erosion and Sediment Control Planning and Design Manual. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. The permittee shall notify the Division of any name, ownership or mailing address changes within 30 days. Permit issued this the 23rd day of February, 2009. LINA ENVIRONMENTAL MANAGEMENT COMMISSION for Division of Water Quality By Authority of the Environmental Management Commission Permit No. SW7070715 Modification Page 5 of 7 State Stormwater Management Systems Permit No. SW7070715MOD Lighthouse Assembly of God, Church of Buxton Stormwater Permit No. SW7070715 Modification Dare 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. SW7070715MOD 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 Washington Regional Office Dare Building Inspections Page 7 of 7 Ur�f ,7)W� C41 DWQ USE ONLY Dat Received Fee Paid Permit Number 5 W Inde State of North Carolina Department of Environment and Natural Resources Division of Water Quality STORMWATER MANAGEMENT PERMIT APPLICATION A-eCB11,z.1)Thisform may be photocopiedfor use as an originalDFCI?2008 I. GENERAL INFORMATION PRO✓# Dk'Q 1. Applicants name (specify the name of the corporation, individual, etc. who owns the project): Light Assembly of God, Inc. 2. Print Owner/Signing Official's name and title (person legally responsible for facility and compliance): Reverend David Waterfield, president 3. Mailing Address for person listed in item 2 above: Phone: (252 ) 995-5696 Email:Lagpastor@aol.com State:NC Zip:27920 Fax: (252 ) 995-5221 4. Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): Lighthouse Assembly of God Church of Buxton 5. Location of Project (street address): NC Hwy 12 City:Buxton County:Dare Zip:27920 6. Directions to project (from nearest major intersection): Property is located on the south side of NC 12, approximately 920' west of the intersection of NC 12 and SR 1232, a.k.a. Buxton Back Road 7. Latitude:350 15' 47" N Longitude:75° 33' 12" W of project 8. Contact person who can answer questions about the project: Name:Robert 1. Stewart, Jr., P.E. Telephone Number: (252 ) 491-8354 Email: bobpe93@yahoo.com II. PERMIT INFORMATION: Form SWU-101 Version 03.27.08 Pagel of4 1. Specify whether project is (check one): ❑New ❑Renewal ®Modification 2. If this application is being submitted as the result of a renewal or modification to an existing permit, list the existing permit number SW7070715 and its issue date (if known)Aug. 3, 2007 3. Specify the type of project (check one): ❑Low Density ®High Density ❑Redevelop []General Permit ❑Universal SMP []Other 4. 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 2404/401 Permit ❑NPDES Stormwater III. PROJECT INFORMATION 1. In the space provided below, summarize how stormwater will be treated. Also attach a detailed narrative (one to two pages) describing stormwater management for the project. Stormwater run-off will be conveyed via sheet flow across lawn areas, concrete and gravel vehicular areas, sidewalks and roof tops to four dry infiltration basins hydraulically connected for equalization. Treament will result from detention in the basins and infiltration into the soil below 2. Stormwater runoff from this project drains to the Pasquotank River basin. IYo,-mif (;'of") 3. Total Property Area: 4.38 acres 4. Total Wetlands Area: 0.53 acres 5. 100' Wide Strip of Wetland Area: acres (not applicable if no wetlands exist on site) I zij S3r( f 6. Total Project Area":2.88 acres 7. Project Built Upon Area:34 % 8. How many, drainage areas does the project have?1 9. Complete the following information for each drainage area. If there are more than two drainage areas in the project, attach an additional sheet with the information for each area provided in the same format as below. For high density projects, complete the table with one drainage area for each engineered stormwater device. Basin Information Drainage Area 1 Drainage Area 2 Receiving Stream Name Peter's Ditch Stream Class & Index No. SA Total Drainage Area (sf) 62729 On -site Drainage Area (so 61465 Off -site Drainage Area (sf) 1264 Existing Impervious' Area (so Proposed Impervious*Area (sf) 38971 % Impervious` Area (total) 62.3 Impervious* Surface Area Drainage Area 1 Drainage Area 2 On -site Buildings (so 12500 On -site Streets (so On -site Parking (so 21079 On -site Sidewalks (so 4128 Other on -site (so Off -site (so 1264 Total (so: 38971 0,45 fe" Form SWU-101 Version 03.27.08 Page 2 of * Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas, sidewalks, gravel areas, etc. **Total project area shall be calculated based on the current policy regarding inclusion of wetlands in the built upon area percentage calculation. This is the area used to calculate percent project built upon area (BUA). 10. How was the off -site impervious area listed above derived?Off-site BUA consists of portion of entrance rand and curb located within access easement IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS One of the following deed restrictions and protective covenants are required to be recorded for all subdivisions, outparcels and future development prior to the sale of any lot. If lot sizes vary significantly, a table listing each lot number, size and the allowable -built -upon area for each lot must be provided as an attachment. Forms can be downloaded from htto:Hli2o.enr.state.nc.us/su/bmp forms.htm - deed restrictions. Form DRPC-1 High Density Commercial Subdivisions Form DRPC-2 High Density Developments with Outparcels Form DRPC-3 High Density Residential Subdivisions Form DRPC4 Low Density Commercial Subdivisions Form DRPC-5 Low Density Residential Subdivisions Form DRPC-6 Low Density Residential Subdivisions with Curb Outlets By your signature below, you certify that the recorded deed restrictions and protective covenants for this project shall include all the applicable items required in the above form, that the covenants will be binding on all parties and persons claiming under them, that they will run with the land, that the required covenants cannot be changed or deleted without concurrence from the State, and that they will be recorded prior to the sale of any lot. V. SUPPLEMENT FORMS The applicable state stormwater management permit supplement form(s) listed below must be submitted for each BMP specified for this project. Contact the Stormwater and General Permits Unit at (919) 733-5083 for the status and availability of these forms. Forms can be downloaded from http://h2o.enr.state.nc.us/su/bmp forms.htm. Form SW401-Low Density Form SW401-Curb Outlet System Form SW401-Off-Site System Form SW401-Wet Detention Basin Form SW401-Infiltration Basin Form SW401-Infiltration Trench Form SW401-Bioretention Cell Form SW401-1-evel Spreader Form SW401-Wetland Form SW401-Grassed Swale Form SW401-Sand Filter Form SW401-Permeable Pavement Low Density Supplement Curb Outlet System Supplement Off -Site System Supplement Wet Detention Basin Supplement Infiltration Basin Supplement Underground Infiltration Trench Supplement Bioretention Cell Supplement Level Spreader/Filter Strip/Restored Riparian Buffer Supplement Constructed Wetland Supplement Grassed Swale Supplement Sand Filter Supplement Permeable Pavement Supplement Form SWU-101 Version 03.27.08 Page 3 of .. ,:., , .. ,. .. , ., � - ', .� � .. ,, .. , .. t '.. -; 09/24/2003 02:12 2524915112 PERFORMANCE ENG PAGE 05 V1. SUBMITTAL REQUIREMENTS Only complete application packages will be accepted and reviewed by the Division of Water Quality (DWQ). A complete package includes all of the items listed below. The complete application package should be submitted to the appropriate DWQ Office. (Appropriate office may be found by locating project on the interactive online nap at niaps.htm) Please indicate that you have provided the following required information by initialing in the space provided next to each item. • Original and one copy of the Stormwater Management Permit Application Form • Original and one copy of the Deed Restrictions & Protective Covenants Form (if required as per Part IV above) • Original of the applicable Supplement Form(s) and O&M agreement(s) for esgb BMP • Permit application processing fee of $305 (Express: $4,000 for HD, $2,000 for LD) payable to NCDENR • Calculations & detailed narrative description of stormwater treatment/management • Copy of any applicable soils report • Two copies of plans and specifications (sealed, signed & dated), including: Development/ Project no Engineer and firm Legend North arrow Scale Revision number & date Mean high water line Dimensioned property/ project boundary Location map with tamed streets or NCSR nambers Original contours, proposed contours, spot elevations, finished floor elevations Details of roads, drainage feahLres, collection systems, grid stormwater control measures Wetlands delineated, or a note on plans that none exist Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations Drainage areas delineated Vegetated buffers (where required) Vll. AGENT AUTHORIZATION If you wish to designate authority to another individual or firm so that they may provide information on your behalf, please complete this section. (ex. designing engineer or firm) Designated agent (individual or firm):itobert I. cftwarr Jr., P B ciba Performance Engineering Mailing Address:8604 Caratoke was _ City:PoweUs point State:NC Zip:27966 Phone: t252 ) 491.8354 Email:bohye93 Ayaboo.com V11L APPLICANTS CERTIFICATION Fax: 25( 2 ) 4915112 1, (print or type name of person listed in General Infvmnation, item 2) Rev. Datid Waferfirld 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 plaits, that the required deed restrictions and protective covenants will be recorded, and that the proposed project complies with the requirements of 15A NCAC 211 .1000. /kignature: Gf Rate: Form SWU-101 Version 03.27.08 Page 4 of Permit No. ,9 / mot/ (to be provided by WQ) TA{, STORMWATER MANAGEMENT PERMIT APPLICATION FORM NCDENR 401 CERTIFICATION APPLICATION FORM INFILTRATION BASIN SUPPLEMENT This form must be filled out, printed and submitted. The Required Items Checklist (Part III) must be printed, filled out and submitted along with all of the required information. I. PROJECT INFORMATION Project Name LIGHTHOUSE ASSEMBLY OF GOD CHURCH OF BU)(TON Contact Person ROBERT STEWART Phone Number Date Drainage Area Number II. DESIGN INFORMATION Site Characteristics Drainage area Impervious area Percent impervious Design rainfall depth Peak Flow Calculations 1-yr, 24-hr runoff depth 1-yr, 24-hr intensity Pre -development 1-yr, 24-hr runoff volume Post -development 1-yr, 24-hr runoff volume Pre/Post 1-yr, 24-hr peak flow control Storage Volume: Non -SR Waters Minimum design volume required Design volume provided Storage Volume: SR Waters 1-yr, 24-hr rainfall depth Pre -development 1-yr, 24-hr runoff Post -development 1-yr, 24-hr runoff Minimum volume'required Volume provided Soils Report Summary Soil type Infiltration rate SHWT elevation Basin Design Parameters Drawdowntime Basin side slopes Basin bottom elevation Storage elevation Storage SA Top elevation Basin Bottom Dimensions Basin length Basin width Bottom SA 12114Y2008 /r F Vl^^A,r,TFg,,\ ,,\NIrE Olqiii�I 62,729.00 f? 38,971.00 fh 0.62 % 2.00 in 4.38 in .VD 0.18 inthr 0.04 ft'/sec p ; 17 2308 0.12 Wisec 0.08 ft'/sec DV)Z s PROJ # O r,1J na fit OK for non -SR waters 4.38 in 2,976.00 ft' 13,712.00 ft' 1a�3sao— ft3 �8-21J 5,426.00 ft3 y-eS-0tA. z,a OuB & FrD 6.00 inlhr 1.50 fmsl 0.09 days OK 3.00 :1 OK 3.50 fmsl OK 4.50 first 6,510.00 flz 5.50 fmsl VARIES ft VARIES ft 4,337.00 ft Form SW401-Infiltration Basin-Rev.2 Parts I. a II. Design Summary, Page 1 of 2 Permit No. (to be provided by DWQ) Additional Information Total runoff volume captured by basin 1.49 ac-in Length of vegetative filter for overflow 50.00 ft Distance to structure 8.75 ft Distance from surface waters 254.00 ft Distance from water supply well(s) It Separation from impervious soil layer 2.00 ft Naturally occuring soil above shwt 2.00 ft Bottom covered with 4-in of clean sand? NO (Y or N) Proposed drainage easement provided? NO (Y or N) Capures all runoff at ultimate build -out? Y (Y or N) Bypass provided for larger storms? NO (Y or N) Pretreatment device provided NO OK OK Too close to structure, must be minimum of 15-ft downgradient OK OK OK OK OK OK OK 7.1 z Form SW401-Infarction Basin-Rev.2 Parts 1. & 11. Design Summary, Page 2 of 2 Permit No. `e W 7070 (to be provided by DWQ) 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. ATS oL 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, t4l,4 - Pretreatment system, ,/Maintenance access, NIA- Proposed drainage easement and public right of way (ROW), ,Overflow device, and uIA - Boundaries of drainage easement. RSS _L6L 2. Plan details (1" = 30' or larger) for the bioretention cell showing: ;/Basin dimensions Nlg- Pretreatment system, /Maintenance access, ,/Outlet structure, t/overflow device, Nlra - Flow distribution detail for basin inflow, and - Vegetation specifications. RAT 3. Section view of the dry detention basin (1" = 20' or larger) showing: v-/Side slopes, 3:1 or lower, N 10 Pretreatment and treatment areas, and Inlet and outlet structures. 'LIE—_EV SEP 3 0 2000 6. A construction sequence that shows how the dry detention basin will be protected from sediment until the fUUI entire drainage area is stabilized. AJii(I oo5 7. The supporting calculations. 5CP8 MT florum 1" 6. A copy of the signed and notarized operation and maintenance (0&M) agreement. R,iS _WA__ 9. A copy of the deed restrictions (if required). 41? S(Phi Lr1 10. A soils report that is based upon an actual field investigation, soil borings, and infiltration tests. County 0 oru#70ur soil maps are not an acceptable source of soils information. Form SW401-Dry Extended Detention Basin-Rev.2 Part III. Required Items Checklist, Page 1 of 1 Permit Number: (to be provided by D1YQ) 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 1 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. SEP 3 0 2008 Form S W401-Infiltration Basin O&M-Rev.3 " !' �J `rl 'J1'+" + r Page 1 of 3 BMP The main treatment area The embankment The 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 repair. occurred The outlet device is damaged 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 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 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 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. Form SW401-Infiltration Basin O&M-Rev.3 Page 2 of 3 09/24/2008 02:12 2524915112 PERFORMANCE ENIG FAGE 04 Permit Number: (to be provided by DWQ) I acknowledge and 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. Projeci name: 4&&LNou L HAW drainage area number:. Print name: 17 aU lei bk M o t' � Title:—Lu-11d2�-/rn4�{nuso Q�SOY�1h�tTTY1C. Address: P0.90X 4s9 A11lifdr tLC 0 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,yra d . , lZ rA, a Notary Public for the State of �liir{T County of 0 rc. ✓ 5e- do hereby certify that _j)ay , d LA/bt e, (A _ personally appeared before me this 2P_e day of_�_, and acknowledge the due execution of the forgoing infiltration basin maintenance requirements. Witness my hand and official seal, BARRETT BOD"OR NOTARY PUBLIC ORANGE COUNTY, NC '•...f Mr Commission Espires 8-10-20 0 SEAL My commission expires —1 U -2—O D_ Fmm SW401-1nftlrration Amin 0&M-Rcv.1 page 3 of 3 MA ACDERi North Carolina Department of Environment and Natural Resources Request for Express Permit Review FILL-IN all information below and CHECK required Permit(s). Fax or email this completed form along with a narrative and vicinity map of the project location to the appropriate One -Stop Coordinator: • Fayetteville or Raleigh Region -David Lee 919-791-4203; david.leeAncmail.net • Mooresville & Asheville Region -Patrick Grogan 704-663-3772 or patrick.aroaanna ncmail.netnC Lnn • Washington Region -Lyn Hardison 252-946-9215 or Ivn.hardison(ancmail.net • Wilmington Region -Cameron Weaver 910-350-2004 or cameron.weavetfDricmafLnet JUL 18 2007 Project application received after 12 noon will be stamped in the following work day. APPLICANT Nam -Company PROJECT PROJECT P (� -ssp - oie 454 - 595- 64; %- Faxes TRIBUTARY T0,'Pawill r. 7-& 1. — WATER CLASSIFICA 2-lZGI_lZ_&0 State or National Environmental'Polfcy Act (SEPA NEPA) - EA or EIS Required Yes El No STREAM ORIGIN STORMWATER mmination: of Stream calls; Stream Name ❑Low Density ❑ High Density -Detention Pond ❑ Low Density -Curb & Gutter JM High Density -Infiltration WETLANDS MUST BE ADDRESSED BELOW ❑ High Density -Other ❑ Off Site fr ❑ COASTAL ❑ Excavation & Fill .. ; ❑ Bridges & Culverts g ❑ Structures Information ' MANAGEMENT ❑ Upland Develop ment Marina Development � ❑Urban Waterfront LAND QUALITY70 tccc Erosion and Sedimentation Control Plan with �Zacres to be disturbed.(CK # ' kc (for DENR use)) ❑ WETLANDS (401): Check all that appl 7 Isolated wetland on Property ❑ Yes ❑ No Wetlands on Site ❑ Yes ❑ No / Buffer Impacts: ❑ No ❑ YES: acre(s) Wetlands Delineation has been completed: ❑ Yes ❑ No / Minor Variance: ❑ No ❑ YES Major General Variance ❑ No ❑ YES US ACOE Approval of Delineation completed: ❑ Yes ❑ No 401 Application required: ❑Yes ❑ No If YES, ❑ Regular 404 Application in Process w/ US ACOE: ❑ Yes ❑ No / Permit Received from US ACOE ❑ Yes ❑ No Perennial, Blue line stream, etc on site ❑ yes ❑ No The legislation allows additional fees, not to exceed 50% of the original Express Review permit application fee, to be charged for subsequent reviews due to the insufficiency of the permit applications. For DENR use only 1 Fee Split for multiple permits: (Check # 1-1 D9 ) Total Fee Amount $ _Icclo SUBMITTAL Fee SUBMITTAL DATES Fee DATES CAMA Variance 7 Ma'; El Min SW H—D .77 - t r555' .35 10 401: LQS (-t -p Stream Deter,_