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HomeMy WebLinkAboutSW6080302_CURRENT PERMIT_20080611STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW DOC TYPE CURRENT PERMIT ❑ APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE YYYYMMDD d TF9 Michael F. Easley, Governor L. Ralph Strickland Strickland's Inc. 2354 Cedar Creek Road Fayetteville, North Carolina 28312 Dear Mr. Strickland: William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Coleen H. Sullins, Director Division of Water Quality May 9,2008N®® ((gy�pp JUN 1 1 2008 �1 ov Subject: NPDES Phase II Stormwater Permit Project No.: SW6080302 High Density Commercial Wet Pond Project Strickland's Inc. Cumberland County, North Carolina The Stormwater Permitting Unit received a complete Stormwater Management Permit Application for Strickland's Inc.on April 23, 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 and Session Law 2006-246. We are forwarding Permit No. SW6080302, dated May 9, 2008, for the construction of the subject project. This permit shall be effective from the date of issuance until May 8, 2018, 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 inspection 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 sixty (60) days following receipt of this permit. This request must be in the form of a written petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Drawer 27447, Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding. This project will be kept on file at the Fayetteville Regional Office. If you have any questions, or need additional information concerning this matter, please contact Mike Randall at (919) 733- 5083, extension 545; or mike.randall@ncmail.net. Sincerely, for Coleen H. Sullins cc: Glen Tew, Jordon — Tew & Associates, P.A Fayetteville Regional Office Central Files SPU Files North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone (919) 733-5083 Customer Service Internet: www new terouality ore Location: 512 N. Salisbury St. Raleigh, NC 27604 Fax (919) 733-9612 1-877- 623-6748 An Equal Opportunity/Affirmative Action Employer — 50 % Recycled/l 0% Post Consumer Paper N�or�rhCaroli wWura/L www.p2pays.org/esi Phase II Stormwater Permit Permit No.SW6080302 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY NPDES PHASE II 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 Strickland's Inc. No. 5 S.E. Quadrant of Maxwell Road (SR 1006) and Wade -Stedman Road (SR 1826) Cumberland County FOR THE construction, operation and maintenance of a wet detention pond in compliance with the provisions of 15A NCAC 2H .1000 and S.L. 2006-246 (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 May 8, 2018, and shall be subject to the following specified conditions and limitations: 1. 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 1.6 on page 3 of this permit. The stormwater control has been designed to handle the runoff from 77,369 square feet of impervious area. 3. The tract will be limited to the amount of built -upon area indicated on page 3 of this permit, and per approved plans. 4.. All stormwater collection and treatment systems must be located in either dedicated common areas or recorded easements. The final plats for the project will be recorded showing all such required easements, in accordance with the approved plans. 5. The runoff from all built -upon area within the permitted drainage area of this project must be directed into the permitted stormwater control system. Page 1 of 6 Phase II Stormwater Permit Permit No.SW6080302 6. The following design criteria have been provided in the wet detention pond and must be maintained at design condition: a. Drainage Area, acres: Onsite, ft2: Offsite; ft2: b. Total Impervious Surfaces, ft2: Buildings ft : . Roads/Parking, ft2: Other, ft2: Other, ft2 Offsite, ft�: c. Pond Depth, feet: d. TSS removal efficiency: e. Design Storm: f. Permanent Pool Elevation, FMS�: g. Permitted Surface Area @PP ft h. Permitted Storage Volume, ft,: i. Storage Elevation, FMSL: J. Controlling Orifice: k. Permanent Pool Volume, ft3 I. Forebay Volume, W: m. Receiving Stream/River Basin: n. Stream Index Number: o. Classification of Water Body: II. SCHEDULE OF COMPLIANCE 2.65 115,501 0 77,369 5,728 52,489 1,099 (sidewalks) (pond) 5,838 3 85% 1.0 inch 137.5 3,160 6,809 137.96 1.5"0 pipe 35,932 7,204 Big Creek / Cape Fear 18-68-12-5 "C, SW" 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 outlet structure, orifice device, flow spreader, catch basins and piping. q. Access to the outlet structure must be available at all times. 4. Records of maintenance activities must be kept and made available upon request to authorized personnel of DWQ. The records will indicate the date, activity, name of person performing the work and what actions were taken. 5. 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 2 of 6 Phase II Stormwater Permit Permit No.SW6080302 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. 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. 8. Access to the stormwater facilities shall be maintained via appropriate easements at all times. 9. The permittee shall submit to the Director and shall have received approval for revised plans, specifications, and calculations prior to construction, for any modification to the approved plans, including, but not limited to, those listed below: a. Any revision to any item shown on the approved plans, including the stormwater management measures, built -upon area, details, etc. b. Project name change. C. Transfer of ownership. d. Redesign or addition to the approved amount of built -upon area or to the drainage area. e. Further subdivision, acquisition, 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 for a minimum of ten .years from the date of the completion of 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 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 completed Name/Ownership Change form, to the Division of Water Quality, signed by both parties, and accompanied by supporting documentation as listed on page 2 of the form. The project must be in good standing with the Division. The approval of this request will be considered on its merits and may or may not be approved. 2. The permittee is responsible for compliance with all permit conditions until such time as the Division approves the transfer. request. Page 3 of 6 Phase II Stormwater Permit Permit No.SW6080302 3. 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. 4. 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. 5. 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. 6. 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. 7. 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 re -issuance or termination does not stay any permit condition. 8. 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. 9. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. 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 2006- 246, Title 15A NCAC 21-1.1000, and NCGS 143-215.1 et.al. 11.The permittee shall notify the Division of any name, ownership or mailing address changes at least 30 days prior to making such changes. Permit issued this the 91h day of May, 2008. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION Division of Water Quality By Authority of the Environmental Management Commission Page 4 of 6 Phase II Stormwater Permit Permit No.SW6080302 Strickland's Inc. No. 5 S.E. Quadrant of Maxwell Road (SR 1006) and Wade -Stedman Road (SR 1826) Cumberland County Stormwater Permit No. SW6080302 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, Strickland's Inc. No. 5 (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 5 of 6 Phase II Stormwater Permit Permit No.SW6080302 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 outlet/bypass structure elevations are per the approved plan. 6. The outlet structure is located per the approved plans. 7. Trash rack is provided on the outlet/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. Required drawdown devices are correctly sized per the approved plans. 13. All required design depths are provided. 14. All required parts of the system are provided, such as a vegetated shelf, and a forebay. 15. The required system dimensions are provided per the approved plans. Please submit this Designer's Certification to: Fayetteville Regional Office Surface Water Protection 225 Green Street Suite 714 / Systel Building Fayetteville, NC 28778 Page 6 of 6 V .�k15�'D,WQ;USEONLYI"Itk`„ Date Received . - Fee Paid I Permit Number 23 2.00 5r.J doYo 36 L State of North Carolina Department of Environment and Natural Resources Division of Water Quality STORMWATER MANAGEMENT PERMIT APPLICATION FORM This form may be photocopied for use as an original I. GENERAL INFORMATION 1. Applicants name (specify the name of the corporation, uidividual, etc. who owns the project): Strickland's Inc. No. 5. 2. Print Owner/Signing Official's name and title (person legally responsible for facility and compliance): L. Ralph Strickland / President 3. Mailing Address for person listed in item 2 above: 2354 Cedar Creek Road City:Fayetteville State:N.C. Zip:28312 Phone: (910 ) 484-5972 Fax: 4. Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): Strickland's Inc. No. 5 5. Location of Project (street address): Site is located in S.E. quadrant of Maxwell Rd (S R 1006 ) and Wade- Stedman Rd (S R 1826) City:N/A County:Cumberland 6. Directions to project (from nearest major intersection): Project is located at Bethant Crossroads Intersection of SR1006 and SR1826 7. Latitude:35 3' 46.2 " Longitude:78 41' 47.4" W of project 8. Contact person who can answer questions about the project: Name:Glenn Tew Telephone Number: (910 ) 892 - 5159 Email:iordantew@embargmail.com II. PERMIT INFORMATION: 1. Specify whether project is (check one): ®New []Renewal ❑Modification FormSWU-101 Version8.07 Pagelof4 2. If this application is being submitted as the result of a renewal or modification to an existing permit, list the existing permit number and its issue date (if known) 3. Specify the type of project (check one): ❑Low Density ®High Density ❑Redevelop ❑General Permit ❑Universal SMP ❑Other 4. Additional Project Requirements (check applicable blanks): ❑LAMA Major ®Sedimentation/Erosion Control ❑404/401 Permit ❑NPDES Stormwater Information on required state permits can be obtained by contacting the Customer Service Center at 1-877-623-6748. 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. All stormwater will sheet drain to a 6' curb cut at the site where the stormwater will enter and be treated by a permanent on -site wet detention pond ( see attached narrative) 2. Stormwater runoff from this project drains to the Cape Fear River basin. 3. Total Site Area: 2.65 acres 4. Total Wetlands Area: 0 acres 5. 100' Wide Strip of Wetland Area: 0 acres (not applicable if no wetlands exist on site) 6. Total Project Area**:2.65 acres 7. Project Built Upon Area:67.0 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. BasmInfo4mahorir,1 y f llrauiage Area 1 r 4sDramage"Area123i T Receiving Stream Name Big Creek Stream Class & Index No. C,SW (18-68-12-5) Drainage Area (so 115,501 Existing Impervious* Area (so 5,838 Proposed Impervious*Area (so 71,531 % Impervious* Area (total) 67.0 - a six.: ni. *..+ ,t ,fit x Impervious,t Surfii&,Area�y a '+'4 i,t,: w Varo ¢ _n � r1 Dramage Area lyc � rr e � xu SYyDramage Area 2 �', ' zr ; j On -site Buildings (so 5,728 On -site Streets (so 46,005 On -site Parking (so 6,484 On -site Sidewalks (so 1,099 Other on -site (so 12 215-pond Off -site (sf) 5,838 Total (so: 77,369 Bnperoious area is defined as the built upon area including, but not lirnited to, buildings, roads, parking areas, sidewalks, gravel areas, etc. Form SWU-101 Version 8.07 !+Page 2 of4 "Total project area shall be calculated based on the current policy regarding inclusion of wetlands in the built upon area percentage calculation. 10. How way the off -site impervious area listed above derived?Off-site impervious is paved area and existing building, on adiacent lot ( see Drainage Area Map ) IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS One of the following deed restrictions and protective covenants are required to be recorded for all subdivisions, ou tparcels 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. Form DRPC-1 High Density Commercial Subdivisions Form DRPC-2 High Density Developments with Outparcels Form DRPC-3 High Density Residential Subdivisions Form DRPC-4 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. 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-Level Spreader ' Form SW401-Wetland Form SW401-Grassed Swale Form SW401-Sand Filter 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 Form SWU-101 Version 8.07 Page 3 of 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. The complete application package should be submitted to the appropriate DWQ Office. (Appropriate office may be found by locating project on the interactive online map at httn://h2o.enr.state.nc.us/su/msi mans.htm) Please indicate that you have provided the following required information by initiating 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 • Original of the applicable Supplement Form(s) and O&M agreement(s) for each BMP • Permit application processing fee of $505 ($4,000 for Express) payable to NCDENR • Calculations & detailed narrative description of stormwater treatment/management • Copy of any applicable soil report • Three copies of plans and specifications (sealed, signed & dated), including: - Development/Project name - Engineer and firm —Legend - North arrow Initials c�A t - Scale - Revision number & date - Mean high water line - Dimensioned property/project boundary - Location map with named streets or NCSR numbers - Original contours, proposed contours, spot elevations, finished floor elevations - Details of roads, drainage features, collection systems, and 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) VII. 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. Designated agent (individual or firm)Johnny Glenn Tew Mailing Address:P.O.Box 249 City:Dunn State:N.C. Zip:28335 Phone: (910 ) 892 - 5159 Email:iordantew@embargmaii.com VIII. APPLICANT'S CERTIFICATION Fax: (910 ) 892 -1893 I, (print or type name of person listed in General Information, item 2) L. Ralph Strickland 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 15A NCAC 2H.110%00. _ Signatuie:41. l Date: !2�rU�,(�� Form SWU-101 Version 8.07 Page 4 of 4 Permit No. (to be provided by DWO) `1 Aw OF WATp9 � p2 I NCDENR o t STORMINATER MANAGEMENT PERMIT APPLICATION FORM 401 CERTIFICATION APPLICATION FORM WET DETENTION 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. rrolecr name Contact person Phone number Date Drainage area number II.°SDES IGNsINFO RMATIONwMQ Site Characteristics Drainage area Impervious area % impervious Design rainfall depth Storage Volume: Non-SRWaters Minimum volume required Volume provided ;StorageVolume: SRWaters 1-yr, 24-hr runoff depth Pre -development 1-yr, 24-hr runoff -Post-development 1-yr, 24-hr runoff. Minimum volume required Volume provided Peak Flow Calculations Is pre/post control of the 1-yr 24-hr peak Flow required? 1-yr, 24-hr rainfall depth Rational C, pre -development Rational C, post -development Rainfall intensity: 1-yr, 24-1r storm Pre -development 1-yr, 24-hr peak flow Post -development 1-yr, 24-hrpeak flow Pre/Post 1-yr, 24-hr peak flow control Basin Elevations Basin bottom elevation Sediment cleanout elevation Permanent pool elevation Temporary pool elevation Volume and Surface Area Calculations SAIDA ratio Permanent pool, surface area. required Permanent pool, surface area provided Permanent pool volume . • Average depth for SAIDA tables Forebayvolume Forebay %of permanent pool volume Temporary pool, surface area provided f'77 369 °=' fe 66.98556722 % R 13 fe fe 8.0 ftl/sec 130.00 `r` ft 131.00" ft 13750 9'P ft .137.96'ii% ; ft �`••_ 2.74-=''=;:' (unitless) 3,160. i3ft� 35,932:.r1:;` fe 3.001871345 ft OK 7,2()4, na 20 % OK 15,266 ., 5'flz Form SW401-Wet Detention Basin-Rev.2 - Parts I. a II. Design Summary, Page 1 of 2 Permit No. (to be provded by MW ) IL+ DESION'INFORMATIONr1fa:'3Vl` w, V,'- •�.wi i5 ary "k its c pt °p2� " u r - Drawdown Calculations Treatment volume drawdown time l:t= OK Treatment volume discharge rate w<" ;' 0 03 ;„.g3/s Pre -development 1-yr, 24-hr discharge ';+ 3:20'.?: t`.=ft°/s OK Post -development 1 -yr, 24-hr discharge 11069}4,Ps'Sry'/s OK Additional Information Diameter of orifice / DesignTSSremoval (o-">�z�1.50tjo; in ✓ ii;;,'!&5 °'+,:4.','% Basin side slopes Yw ';'s 3:1 OK Vegetated shelf slope r^^ 500 `41:1 OK Vegetated shelf width OK OK Length Length of flowpalh to width ratio :1 OK Length to width ratio ?2`4" 2.76!` iy9*:1 OK Trash rack for overflow & orifice? OK Freeboard provided f-9'v `.: ;1 -: ?=t!;: it OK Vegetated filter provided?Y,-','` vc' (Y or N) OK Recorded drainage easement provided? ` ' • N i , : (Y or N) Need a recorded drainage easement 7� Capures all runoff at ultimate build -out? V ;,Y+ (Y or N) OK Drain mechanism for maintenance or emergencies>I,.`..Basin is to bepum"6Ee out wfien'needed for maimenanrnG.: /vo jc�j or drai11-1�z 2Cts ._~A+ i3 meeAet siince +1ve Probe`'{- nas /no -F�+�c dcve1af*uj pozikl it-ies C ,$✓Wivrlsl&Yj or- 0 I+F. ccl s) Form SW401-Wet Detention Basin-Rev.2 . Parts I. & II. Design Summary, Page 2 of 2 �� 1 cF WArfq .A r NCDENR. ° STORMWATER MANAGEMENT PERMIT APPLICATION FORM 401 CERTIFICATION APPLICATION FORM LEVEL SPREADER, FILTER STRIP AND RESTORED RIPARIAN BUFFER SUPPLEMENT This form must be completety filled out, printed and submitted. DO NOT FORGET TO ATTACH THE REQUIRED ITEMS CHECKLIST AND ALL REQUIRED ITEMS (NEXT WORKSHEET)I Project name Contact name Phone number Date Drainage area number For Level Spreaders Receiving Flow Type of BMP Drawdown flow from the BMP For Level Spreaders Receiving Flow from the Drainage Area Drainage area Impervious surface area Percent Impervious Rational C coefficient Peak flow from the 1 ir11hr stone Time of concentration .Rainfall intensity, 10-yr storm Peak, flow from the 10-yr stone Where Does the Level SpreaderDischarge? To a grassed biorelention cell? ` To a mulched bioretention cell? To a wetland? To a filter strip or riparian buffer? Other (specify) Filter Strip or Riparian Buffer Characterization (if applicable) Width of grass Width of dense ground cover Width of wooded vegetation Total width Elevation at downslope base of level lip Elevation at top of bank of the receiving water Slope (from level lip to to top of bank) Are any draws present? Level Spreader Design Forebay surface area Feel of level lip needed per cfs Answer'Y' to one of the following: Length based on the 1 inmr storm? Length based on the 10-yr storm? Length based on the BMP discharge rate? Design flow Is a bypass device provided? Do not complete this section of the worksheel. ' ,115,501.00 :'{,'fe Do not complete this section of the worksheet. �'$i; 77,369.00+: ((s Do not complete this section of the workshaet. 66.99 % Do not complete this section of the worksheet. Do not complete this section of the worksheet. cis Do not complete this section of the worksheet. inthf Do not complete this section of the xrorksheet. - cis Do not complete this section of the wvlksheet. or N) or N) or N) filler ship characterization below. 3000:r : It 0.00 it '!-:r-137:50>cs-fmsl 137 30 ,' "fmsl 0.67 % OK :-. '. N .. _ "(Y or N) OK a `'• s9 fl No furebay is needed. 13 fYcfs a' N (YorN) [. Y;. .r(YorN) 'O.W '1 _cfs (YorN) OK Form SW401-Level Spreader, Filter Strip, Restored Riparian Buffer-Rev.S Parts I. and It Design Summary, page 1 of 2 Length 9 P 13.0V itlf%ft WALUEI Are level spreaders in series? g;i; :_ N ;+'*": , (Y or N) Bypass Channel Design (if applicable) Does the bypass discharge through a wetland? Does the channel enter the stream at an angle? Dimensions of the channel (see diagram below): B W y Peak velocity in the channel during the 10-yr storm Channel lining material (Y or N) (Y or N) t>ti+� 3:00xi ft tit�)L13.50''�%ft "�6 0.50i =N16,ft 4.601cfs Noner:' Form SW401-Level Spreader, Filler Strip, Restored Riparian Buffer-Rev.5 Parts I. and II. Design Summary, page 2 of 2 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. JGT 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), Forebay (if applicable), High flow bypass system, - Maintenance access, - Proposed drainage easement and public right of way (ROVE, and - Boundaries of drainage easement. JGT 2 2. Plan details (1" = 30' or larger) for the level spreader shoving: - Forebay (if applicable), - High flow bypass system, - One foot topo lines between the level lip and top of stream bank, - Proposed drainage easement, and - Design at ultimate build -out. JGT 2 3. Section view of the level spreader (1" = 20' or larger) shoving: - Underdrain system (if applicable), - Level lip, - Upslope channel, and - Downslope filter fabric. 4. A date -stamped photograph of the filter strip that clearly shows the type of vegetation that is present. 5. A construction sequence that shows how the level spreader will be protected from sediment until the entire drainage area is stabilized. 6. The supporting calculations. JGT 7. A copy of the signed and notarized operation and maintenance (0&M) agreement. 8. A copy of the deed restrictions (if required). Form SW401-Level Spreader, Filler Strip, Restored Riparian Buffer-Rev.S Part III, page 1 of -1 Phase II Stormwater Permit Permit No.SW6080302 Strickland's Inc. No. 5 S.E. Quadrant of Maxwell Road (SR 1006) and Wade -Stedman Road (SR 1826) Cumberland County Stormwater Permit No. SW6080302 Designer's Certification I, —jo— 60 K ew , as a duly registered *CAO&Aece in the State of No h Carolina, having been authorized to obse eriodically/ weekly/ full time) the construction of the project, Strickland's Inc. No. 5 (Project) for 5 rtekip rc�'s 'rc /Ys.,ti (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: SEAL Signature eti Registration Nur4er AL580 Date 6V ;L�0 q Page 5 of 6 Phase II Stormwater Permit Permit No.SW6080302 Certification Requirements: 1. The drainage area to the system contains approximately the permitted acreage. l� 2. The drainage area to the system contains no more than the permitted amount of built -upon area. _ 1, All the built -upon area associated with the project is graded such that the runoff drains to the system. _V11- 4. All roof drains are located such that the runoff is directed into the system. _ / 5. The outlet/bypass structure elevations are per the approved plan. le�-_6. The outlet structure is located per the approved plans. _ / 7. Trash rack is provided on the outlet/bypass structure. _-8. All slopes are grassed with permanent vegetation. / 9. Vegetated slopes are no steeper than 3:1. V/ 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. Required drawdown devices are correctly sized per the approved plans. _4/' 13. All required design depths are provided. _ 14. All required parts of the system are provided, such as a vegetated shelf, and a forebay. ✓15. The required system dimensions are provided per the approved plans. Please submit this Designer's Certification to: Fayetteville Regional Office Surface Water Protection 225 Green Street Suite 714 / Systel Building Fayetteville, NC 28778 Page 6 of 6 Wet Detention Basin Inspection 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. The wet detention basin system is defined as the wet detention basin, pretreatment including forebays and the vegetated filter if one is provided. This system (check one): ® does ❑ does not incorporate a vegetated filter at the outlet. This system (check one): ❑ does ® does not incorporate pretreatment other than a forebay. Important maintenance procedures: — Immediately after the wet detention basin is established, the plants on the vegetated shelf and perimeter of the basin should be watered twice weekly if needed, until the plants become established (commonly six weeks). — No portion of the wet detention pond should be fertilized after the first initial fertilization that is required to establish the plants on the vegetated shelf. — Stable groundcover should be maintained in the drainage area to reduce the sediment load to the wet detention basin. — If the basin must be drained for an emergency or to perform maintenance, the flushing of sediment through the emergency drain should be minimized to the maximum extent practical. — Once a year, a dam safety expert should inspect the embankment. After the wet detention pond is established, it should be inspected once a month and within 24 hours after every storm event greater than 1.0 inches (or 1.5 inches if in a Coastal County). Records of inspection and maintenance should be kept in a known set location and must 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 wet Areas of bare soil and/or Regrade the soil if necessary to detention 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. Vegetation is too short or too Maintain vegetation at a height of long. approximately six inches. BMP element: Potentialproblem: How I will remediate theproblem: The inlet device: pipe or The pipe is clogged. Unclog the pipe. Dispose of the swale sediment off -site. The pipe is cracked or Replace the pipe. otherwise damaged. Erosion is occurring in the Regrade the swale if necessary to swale. smooth it over and provide erosion control devices such as reinforced turf matting or riprap to avoid future problems with erosion. The forebay Sediment has accumulated to Search for the source of the a depth greater than the sediment and remedy the problem if original design depth for possible. Remove the sediment and sediment storage. dispose of it in a location where it will not cause impacts to streams or the BMP. Erosion has occurred. Provide additional erosion protection such as reinforced turf matting or riprap if needed to reventfutureerosion problems. Weeds are present. Remove the weeds, preferably by hand. If pesticide is used, wipe it on the plants rather than spraying. The vegetated shelf Best professional practices Prune according to best professional show that pruning is needed practices . to maintain optimal plant health. Plants are dead, diseased or Determine the source of the dying. problem: soils, hydrology, disease, etc. Remedy the problem and replace plants. Provide a'one-time fertilizer application to establish the ground cover if a soil test indicates it is necessary. Weeds are present. Remove the weeds, preferably by hand. If pesticide is used, wipe it on the plants rather than spraying. The main treatment area Sediment has accumulated to Search for the source of the a depth greater than the sediment and remedy the problem if original design sediment possible. Remove the sediment and storage depth. dispose of it in a location where it will not cause impacts to streams or the BMP. Algal growth covers over Consult a professional to remove 50% of the area. and control the algal growth. Cattails,.phragmites or other Remove the plants by wiping them invasive plants cover 50% of with pesticide (do not spray). the basin surface. BMP element: Potentialproblem: How I will remediate theproblem: The embankment Shrubs have started to grow Remove shrubs immediately. on the embankment. Evidence of muskrat or Use traps to remove muskrats and beaver activity is present. consult a professional to remove beavers. A tree has started to grow on Consult a dam safety specialist to the embankment. remove the tree. An annual inspection by an Make all needed repairs. appropriate professional shows that the embankment needs repair. The outlet device Clogging has occurred. Clean out the outlet device. Dispose of the sediment off -site. The outlet device is damaged Repair or replace the outlet device. The receiving water Erosion or other signs of Contact the local NC Division of damage have occurred at the Water Quality Regional Office, or outlet. the 401 Oversight Unit at 919-733- 1786. The measuring device used to determine the sediment elevation shall be such that it will give an accurate depth reading and not readily penetrate into accumulated sediments. When the permanent pool depth reads 131.0 feet in the main pond, the sediment shall be removed. When the permanent pool depth reads 134.0 feet in the forebay, the sediment shall be removed. Sediment Removal Bottom BASIN DIAGRAM (fill in the blanks) Permanent Pool Elevation 137.50 134.0 1 Pe anen Pool ------- Volume Sediment Removal Elevation 131.0 Volume L133�.O-133.0 -ft Min. Sediment Bottom Elevation 130.0 —Li1-ft n Storage Sedimer Storage FOREBAY MAIN POND 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. Print name:L. Ralph Strickland Address:2354 Cedar Creek Road 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, = a Notary Public for the State of County of &&-1214&h !cl do hereby certify that / 1 • /«L//Oyk 15&614CzlCl personally appeared before me this 3 day of �C' / 6( , and acknowledge the due execution of the forgoing wet detention basin maintenance requirements. Witness my hand and official seal, / pN DA PUBLIC ., SEAL ;t' My commission expires A1611tA(A2671Y BMP element: Potentialproblem: How I will remediate theproblem: The Swale and the level The swale is clogged with Remove the sediment and dispose lip sediment. of it off -site. The level lip is cracked, Repair or replace lip. settled, undercut, eroded or otherwise damaged. There is erosion around the Regrade the soil to create a berm end of the level spreader that that is higher than the level lip, and shows stormwater has then plant a ground cover and bypassed it. water until it is established. Provide lime and a one-time fertilizer Trees or shrubs have begun -application. Remove them. to grow on the swale or just downslo e of the level lip. The bypass channel Areas of bare soil and/or Regrade the soil if necessary to erosive gullies have formed. remove the gully, and then reestablish proper erosion control. Turf reinforcement is Study the site to see if a larger damaged or ripap is rolling bypass channel is needed (enlarge if downhill. necessary). After this, reestablish the erosion control material. The filter strip Grass is too short or too long Maintain grass at a height of if applicable). approximately three to six inches. Areas of bare soil and/or Regrade the soil if necessary to 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. Sediment is building up on Remove the sediment and the filter strip. restabilize the soil with vegetation if necessary. Provide lime and a one- time fertilizer application. Plants are desiccated. Provide additional irrigation and fertilizer as needed. Plants are dead, diseased or Determine the source of the dying. problem: soils, hydrology, disease, etc. Remedy the problem and replace plants. Provide a one-time fertilizer application. Nuisance vegetation is Remove vegetation by hand if choking out desirable species. possible. If pesticide is used, do not allow it to get into the receiving water. The receiving water Erosion or other signs of Contact the NC Division of Water damage have occurred at the Quality local Regional Office, or the outlet. 401 Oversight Unit at 919-733-1786. Form SWU401-Level Spreader, Filter Slrip, Restored Riparian Buffer O&M-Rev.3 Page 2 of 3 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. Project name: Strickland's Inc. No. 5 BMP drainage area number: Print name:L. Ralph Strickland Address:2354 Cedar Creek Road ,Date: , C? 2 , i 5l 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, l.� n6k �(c J , a Notary Public for the State of County of (',/,Cfyjb[KJ(tt7Q do hereby certify that t ��/ � �( personally appeared before me this day of (,f &I ' , i�, and acknowledge the due execution of the forgoing filter strip, riparian buffer, and/or level spreader maintenance requirements. my hand aN/of�icial seal, ppTARY PUBUC�; a My commission expires OCge'('&t ��' A Form S WU401-Level Spreader, Filter Strip, Restored Riparian Duffer O&M-Rev.3 Page 3 of 3