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HomeMy WebLinkAboutSW7070134_CURRENT PERMIT_20070507STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW �1�7D�3`i DOC TYPE CURRENT PERMIT APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE YYYYMMDD R t^1a:Kn Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources 0 May 7, 2007 Mr. Randell Woodruff, Manager Camden County 117 N. Hwy 343 Camden, NC 27921 Subject: Permit No. SW7070134 Camden Athletic Complex High Density Stormwater Project Camden County Dear Mr. Woodruff: Alen W. Klimek, P.E. Director Division of Water Quality The Washington Regional Office received a completed Stormwater Permit application for the subject project on April 16, 2007. 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. SW7070134 dated May 7, 2007 to Camden County for the construction and operation of a wet detention pond and two level spreaders to serve the proposed Camden Athletic Complex located off NC Highway 343 at the Camden Intermediate School in Camden County. This permit shall be effective from the date of issuance until May 7, 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 150B of the North Carolina General Statutes, and filed with the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, NC 27699-6714. 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 Roger Thorpe or me at (252) 946-6481. 5ncerely, AI Hod ge�giohal Supervisor Surface Water Protection Section Washington Regional Office cc: Hyman & Robey PC Camden County Inspections ✓�/ashington Regional Office Central Files North Carolina Division of Water Quality Internet: wsvw.ncwaterqualitv.ors 943 Washington Square Mall Phone (252) 946-6481 Washington, NC 27889 Far (252)946-9215 No ehCarolina Naturallff An Equal Opportunity/Affirmative Action Employer - 50% Recycled/10% Post Consumer Paper State Stormwater Management Systems Permit No. SW7070134 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 Camden County Camden Athletic Complex FOR THE construction, operation and maintenance of stormwater management systems 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 for grassed swales, a wet detention pond and two level spreaders to serve the proposed Camden Athletic Complex located off NC Highway 343 at the Camden Intermediate School in Camden County. This permit shall be effective from the date of issuance until May 7, 2017 and shall be subject to the following specified conditions and limitations: 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 on page 2 of this permit, the Project Data Sheet. 3. A maximum of 2.13 acres of built upon area is allowed on this 31.18 acre site. 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 approved plans. 5. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. DIVISION OF WATER QUALITY PROJECT DATA Project Name: Camden Athletic Complex Permit Number: SW7070134 Location: Camden County Applicant: Camden County Mailing Address: 117 N. Highway 343 Camden, NC 27921 Application Date: 1/26/2007 (original) Receiving Stream: Sawyers Creek Classification of Water Body: C-Swp . Total Site Area: 31.18 ac Drainage Area to Basin: 5.79 ac Total Impervious: 1.42 ac Pond Depth: 4.0 feet Required Storage Volume: 8,069 cf Provided Storage Volume: 8,930 cf Required Surface Area: 5,675 sf Provided Surface Area: 8,001 sf Controlling Orifice: 1.5 in @ elev. 4.5It 6. No homeownedbt owner/developer shall be allowed to fill in, alter, or pipe any vegetative practices (such as swales) shown on the approved plans as part of the stormwater management system without submitting a revision to the permit and receiving approval from the Division. The following items will require a modification to the permit: a. Any revision to the approved plans, regardless of size b. Project name change C. Transfer of ownership d. Redesign or addition to the approved amount of built -upon area e. Further subdivision of the project area. In addition, the Director may determine that other revisions to the project should require a modification to the permit. 8. 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. It. SCHEDULE OF COMPLIANCE The permittee will comply with the following schedule for construction and maintenance of the stormwater management system. a. The stormwater management system shall be constructed in its entirety, vegetated andoperational for its intended use prior to the construction of any built -upon surfaces except roads. b. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. I 2. The facilities must be properly maintained and operated at all times. The approved Operation and Maintenance Plan must be followed in its entirety and maintenance must occur at the scheduled intervals. 3. The permittee shall at all times provide the operation and maintenance necessary to assure the permitted stormwater system functions at optimum efficiency including, but not limited to: a. Semiannual scheduled inspections (every 6 months) b. Sediment removal C. Mowing and revegetation of side slopes d. Immediate repair of eroded areas e. Maintenance of side slopes in accordance with approved plans and specifications f. Debris removal and unclogging of outlet structure, orifice device and catch basins and piping. 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. 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 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. Mail the Certification to the Washington Regional Office, 943 Washington Square Mall, Washington, North Carolina, 27889, attention Division of Water Quality. A copy of the approved plans and specifications shall be maintained on file by the Permittee for a minimum of five years from the date of the completion of construction. III. GENERAL CONDITIONS 1. This permit is not transferable. In the event there is a desire for the facilities to change ownership, or there is a name change of the Permittee, a formal permit request must be submitted to the Division of Water Quality accompanied by an application fee, documentation from the parties involved, and other supporting materials as may be appropriate. The approval of this request will be considered on its merits and may or may not be approved. 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- 215.6(a) to 143-215.6(c). 3. The issuance of this permit does not preclude. the Permittee from complying with any and all statutes, rules, regulations, or ordinances which may be imposed by other government agencies (local, state, and federal) which have jurisdiction. 4. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions, the Permittee shall take immediate corrective action, including those as may be required by this Division, such as the construction of additional or replacement stormwater management systems. 5. The 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. 6. The Permittee, at least six (6) months prior to the expiration of this permit, shall submit in writing a request for an extension along with appropriate application fee. Permit issued this the 7 th day of May, 2007. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION 'Alan W. Klimek, P.E. Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number SW7070134 Camden Athletic Complex - Craven County Stormwater Permit No. SW7070134 Designer's Certification I, , as a duly registered Professional Engineer 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. Signature Registration Number Date 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. B. All slopes are grassed with permanent vegetation and are no steeper than 3:1. 9. The inlets are located per the approved plans and do not cause short-circuiting of the system. _10. The permitted amounts of surface area and/or volume have been provided. 11. All required design depths are provided. 12. Required drawdown devices are correctly sized per the approved plans. 13. All required parts of the system are provided, such as a vegetated shelf, forebay and vegetated filter if required. 14. The required system dimensions are provided per the approved plans. c;4 oa: { 31,l•l - - --- UI1IU U56 ONLY Date Received 07 I ec Paid _ Permit N unl r N-a o [� �(� State ol'North r Caolina 5wACK- 1/2-9/0 7 ®WQ'WARQp;iitmcntol'Environutcnl and NaWral RCSOIII'CCS Division ol'Watcr Quality S10RNMATER MANAGEMENT PliRM1T APPLICATION FORM This form Amy be photocopied for use, as an original 1. GENERAL INFORMATION I. Applicants name (specify the name or the corporation, individual, etc. who owns I.he projCCO -_Camden.._County._..... ... ..... _ _... _..... .. 2. Print Owner/Sigoing 011 clol's naow and title (person regally responsible for fedlily and compliance): —Ranflel l ti.00s3r.uff-,_Coun.ty Manages- -__-_-- -_ __—___ 3. Mailing Addi ss for persoo listed in item 7, obove: City: —Camden _ —__-- Statc:_NC--- Z11 Telepltone Number: _( 252 )_ 335-1818 A. Project Name (sulAivisioo, facility, or cstahlishumnt nail u; -should be consistent Willi project name on plans, specifications, letters, operation and Inainlclance agreements, etc.): 5. Location of Project (street address): Cou illy: --Gam d e-.n. 6. Directions to project (from nearest ivajor intersection): From intersection of N 343 & Hwwy _ 158,_ north down 343 half of a mile on the left 7. Latitude 36° 20' Lot it, 11Lde: 760 15' 8. Cot laCt persmi who can answer questions about Ilm project: Name: Kim llamby _ Tclephonc Numbcr: It. ITRNUT INFORMA"PION: I. Specify wholhm' project is (c,hecic one): _ X New Renewal Donn SWU-101 Version 3.99 Page 1 of4 of project 252 1 335-1888 Nlodil'ication 2. If this application is being submitted as the result of a renewal or modification to an existing permit, list the existing permit number and its issue date (if known) 3. Specify the type of project (check one): Low Density X X Hlgh Density _Redevelop General Permit Other 4. Additional Project Requirements (check applicable blanks): CAMA Major XXSedimentation/Erosion Control 404/401 Permit X VPDES Storm atLFI�N; WEED Information on required state permits can be obtained by contacting the Customer Service Center at 1-877-623-6748. APR 1 5i 2007 III. PROJECT INFORMATION OWQ-WARO 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 . Stornaster will sheet flag across the parking lot into grassed s alas with 3:1 side slgxs in drainage arms 1 arxl 3. In drainage area 2 rmoff will street flea acress nulch path to swales with 3:1 side slcpes. All runoff in drainage area 4 will continue to sheet flew into grassed lined swedes. 2. Stormwater runoff from this project drains to the Pas�ptank River basin. 3. Total Project Area: 31.18 acres 4. Project Built Upon Area: 6•98 5. How many drainage areas does the project have? 4 6. Complete the following information for each drainage area. If there are more than two drainage areas in the project, attach an additional sheet with the information for each area provided in the same format as below. Basin Information Drainage Area 1 Drainage Area 2 Receiving Stream Name Sawyers a-&--k Sawyers Creek Receiving Stream Class C-CU CW Drainage Area 5.79 is 2.25 Ac Existing Impervious* Area Proposed Impervious*Area 1.42-Ac 0 % Impervious* Area (total) ?S 0 Impervious* Surface Area Drainage Area 1 Drainage Area 2 On -site Buildings 0 0 On -site Streets 0 0 On -site Parking 25,784 sf 0 On -site Sidewalks 0 0 Other on -site k & field 35,922sf 0 Off -site 0 Total: 61, 7C6 Total: 0 Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas, sidewalks, gravel areas, etc. Forrn SWU-101 Version 3.99 Page 2 of 4 Attachment to Stormwater Management Permit Application Form Information for Third and Fourth Drainage Areas for Camden Athletic Complex Basin Information Drainage Area 3 Drainage Area 4 Receiving stream name Sawyers Creek Sawyers Creek Receiving stream class CSW CSW Drainage area 1.76 21.38 Existing impervious area 0 1,873 sf Proposed impervious area 31,244 sf 0 % impervious area (total) 41 % .04% Impervious surface area Drainage Area 3 Drainage Area 4 On -site buildings 0 0 On -site streets 0 0 On -site parking 31,244 sf On -site sidewalks Other on -site (gravel/tennis court 1,873 sf Off -site Total: 31,244 sf Total: 1,873 sf 7. How was the off -site impervious area listed above de, ivccl7_- _N/A 1V. DI:L'D RESTRICTIONS AND PROTFC'I'IVL COVENANTS the following italicized deed Iesu fictions and protective covenants tiro squired to be recurded I'or all subdivisions, ougru CCls and future developurenl prior to the sale, of any lot. If lot sizes vary signiIicanlly, a table listing each lot number size mid (lie allowable buill-upoll area for each lot mist be provided as au attaCliment. 1. Ilie Billowing covenants arc in[cflded to ensum ongoing Cal quliancc with state slofmrvaicI nrralagonrcflt permit number as issued by fill. Divis'ioo of Water Qualify. 771ese rovenaflls may flat be changer) of dCIC(C(l without the consent of flm Stale. 2. No mart dean _ squaIe Gil orany lot shall be Covered by Sri ucuu cs or impervious materials. Impervlous omleriWs iudude;rspljah' (,rnrel, collowc, Nick s(unn, slate of ,siorilar material but do out iflcludc mood declring or'tlie valet sfit Dice of sIvinfit iill pools. 3. Swales shall Ito( be filled if piped, or altered escupl ;is 1oxessroy I provide dri verva3' Cnxss if 9. 13uill-upon arco in Csccss of (he permitted aurolml requires it slale stornnvater rnanlgcnmu( pernli( nlodil'icatign prior to cuns'(ructiou. 5. A]I pat if)i uell I uloll front all 1paICCIs orfuture development shalt be directed info (Ire permitted stornit'll ter control sysfmn. These car necfion,s to the s'lofnuIS] ler cot IrIaI system shrill be per'for uled in a uranucr'that nraifll;lit s die it gIity and pelfill maflcc of (110 systcnI as ponui((ed. 13y your signature below, you certify LLeL the recurded deed rust ictiuIis and protective covenants for Lhls project shall include all Lhe applicable items required above, if the covenants swill be bincling on all parties and persons claiming under them, Ulm they will run with Lbc land, ibal Uie required covenants counot be changed or (ICICLed without, concuRCnce from it Slatu. and LhaL lhcy will be rCCU rdOil prtur to LhC sale of any tot. V. SUPPLEMENT FORMS The applicable stale slontovalcr inanaumet)t permit suppicmenl lot n(s) listed below must be submitted for cash 13MP specified for this project. Contact tbC Storinwale.r and Ccnaral Permits Unit at (919) 733-5083 for the status and availability of these forms. Form SWU-102 Wet Delelldnll basin Supplunienl Foiin SWU-103 Inlllhaliun Basin Supplement funn SWU-101 Low Dcnslly SuphlumcnL 1701 m SWU-105 Curb Outict System Supplmucnl Form SWU-I06 OI'f-Si(C System Supplciueur I'm rfit SWU-107 UudolgruundlnfillrallonTrenchSupplaucnt For SWU-108 NCnSC River Basin Sul�rplemenl Form SWU-109 haavalivc. Best Manot,emenl Practice skipplrniCnl Form SNVU-101 Veisior 3.99 Page 3 of d VI. SUBMITI'AL REQUIRBMEN'I'S Only collgilete applicaliou packages will be accepted and rovicwed by the Division of Waler Quality (DWQ). A coutplelc package includes all OftIle items listed below. The Congfle(e application package should be submitted lu (he appropriate DWQ Regional Office. Please indicate that you have provided the following required information by initialing in the space provided I ext to each item. mile', s • Original and one copy of the Stornnvater Ivlenogeutertl Penult Application Form • One copy of the applicable Supplement Forttt(S) rot each B M P — • Permit application processing fee of $ 4 2 0 (payable 1 NC1)ENR) • Detailed narrative description of stornnvatcr lrcaUuunl/wanagcuten( _ • Two copies of plans and specifications, including: ___ram-• - Devcloputent/Projecl. mute - Engineer and Zinn Legend - Not arrow Scale - Rcvlsion nwuhcr & dote Mean high wake line - Dlntcnsiuncd pruperty/pntjcct boundary - Location ntap with naoiccl sweets ur NCSR nwnbors - Original contours, proposed contours, spot elevalions, finished floor elevations - Delails of roads, drainage features, collection systems, and Slorntw;Uer control umasures Wetlands delineated, or a note on plans that none exist Existing drainage (including off -site), drainage eascloclI . pipe, sizes, runoff calcuLrtions - Drainage areas delineated - Vegelaled buffers (where re(Iuired) Vlt. AGEN'I'AU'1'1101UZA71ON If you wish to designate authority to anotlmr individual or firm so that I.Iley may provide infon nation on your behalf, please complela this seclion. Designated ;t;cnl Inclividualur[it ni: Hyman & Robey, P.C. Mailing Address:_ P.O• Box 339 Clly. Camden Phone: ( 252 ) 335-1888 VIII. APPLICANT'S CERTIFICATION Stalk: INC lip: 27921 252 ) 338-5552 (prinlortype nameofpersortlis(edinCancr'ailnformalion,Rem 2)- Randel1 Woodruff certify Thal Ilse infonuation includecl on this permit application form is, to the best of illy knowledge, correct and that the project will be coostrucled in confot inancc with the approved plates, that the requircef deed restrictions and prulective cuvcnants will he recorded, and Ihal. Iho proposed project complies with the rcquirentenis of I5A NCAC 21-1 .1000. Signalu Form SWU-101 Vcrsion 3.99 .�v Page 4 0 14 Permit No, (to be provided by DWQ) State of North Carolina Department of Environment and Natural Resources Division of Water Quality STORMWATER MANAGEMENT PERMIT APPLICATION FORMRr,7_.(CE0V1 WET DETENTION BASIN SUPPLEMENT APR 15 2807 This form may be photocopied for use as an original D V Q- l/ y n R O DWO Stormwater Management Plan Review: i i A complete stormwater management plan submittal includes an application form, a wet detention basin supplement for each basin, design calculations, and plans and specifications showing all basin and outlet structure details. I. PROJECT INFORMATION Project Name: Camden Athletic Complex Contact Person: Randell Woodruff Phone Number: ( 252335-1888 For projects with multiple basins, specify which basin this worksheet applies to: 1 elevations Basin Bottom Elevation • 50 ft. (floor of the basin) Permanent Pool Elevation 4.50 ft. (elevation of the orifice) Temporary Pool Elevation 5.51 ft. (elevation of the discharge structure overflow) areas Permanent Pool Surface Area sq. ft. (water surface area at the orifice elevation) Drainage Area 5.79 ac. (on -site and off -site drainage to the basin) Impervious Area 1.42 ac. (on -site and off -site drainage to the basin) volumes Permanent Pool Volume 12,375 cu. ft. (combined volume of main basin and forebay) Temporary Pool Volume 8,930 cu. ft. (volume detained above the permanent pool) Forebay Volume 2,376 cu. ft. (approximately 20% of total volume) Other parameters SA/DAI 2.25% (surface area to drainage area ratio from DWQ table) Diameter of Orifice 1.5 in. (2 to 5 day temporary pool draw -down required) Design Rainfall 5.75 in. ( 10 year storm ) Design TSS Removal 2 90 % (minimum 85% required) Form SWU-102 Rev 3.99 Page I of 4 Foohlolcs: N'IIeu using the Divisiuu SA/DA I:iLics, III: currucl SAM I:diu fur pa nnium pool KAug should be compulcd based upon the actual iulpo"Nus It and pmnlalroul poet depth. UnUU iulcrpuhdion slwuld be clgQwd to dclermhw the cancel value 10 uou- sauufmy inblc cables. 2 lu the 2a cua:aal counties, Ihc. w(juncumnt fur I vcLclulivc lillcr iu:yry be \.::lived it the N:•et detention b:u:in is designed lu purcidc 901 ITS removal. Ile NCDGNR BNIP niamml Inovidcs design lahlcs IN bolls ST9ITS rcwov:d and 90A ITS IclnuAL U. R13QUIRLll CI' MIS CIIECKLISI' The following checklist outlines design requirements per the Storinwalcf Best. Ivlanagenlcut Practices ivlanual (N.C. Department of Tuvirunulcnl, I Icallll and Natural Rcsouiccs, Fel,nuavy 1999) and Adnlinistralivc Code Section: 15 A NCAC 211 .I008. Initial in the space provided to iudicale the following design rcquircnlcnls have been mcl and supporting doculnclikikou is ❑tlachcd. II IIIe applicant has dc::ignalcd an agcla in (Ile Slorinwalul Man:lgclucid Pcnrlit Applicatiola Pornl, Uw accal Inay initial bClow. If a 1 cquirculcul has not been met, attach juslificaliuu. Applicauls Initials kd1h b. L— d. --- c. The pernrmcul pool depth is between 3 and G feet (re(juired mininmmI ol'3 feet). The forchay volume is appioximmlcly equal to 20% of the basin volume. The tculporary pool controls runon, torn the design storm event. The temporary pool draws clown in 2 to 5 clays. If ragown a 30-loot vegWalive lillcr is provided at die outlet (include uou-erosive How calcublim s) f. The basil) length to Width ratio is greater than 3: I. g. Tic 1' own side slopes above the perl)nmcot pool arc ❑o stccper than 3: I . h. A submerged and vegetated perimeter shelf with a slope ol'G:I of less (show detail). i. Vegclalive cover above Iho permanent pool elevation is specified. I. A trash ruck or similar device is provided for both the overflow and orifice. k. A recoiled (Imhmgc essclnc it is provided for each basin including access to nearest right- oFway. I. If the hasiu is used kit sCdjlllellt and erosion Control during conslrucliou, clean out of the %��J basic is specified prior lu use ❑s a wd dcicntiun basin. A mcuhauisnl is specified which will dmin (Ile 1);nJn Im maintenance or an alucrgcucy- (pump) 111. WE'll'DL,TENI'ION BASIN OPERATION AND (\IAINTENAINCE AGREEM ENT The wet detention basin syslcm is dcUned as the wet detention basin, prclrcalmcnl including foicbays and the vegetated titter if one is provided. This system (check one) 0 does R flocs not incorponde a vegeNted lillcr at the mullet. This system (check on(!) 0 dues 0 dues not incorporate preh-catme t, other lham :I forebay. Pone SWU-102 Rev 3.99 Page 2 of i Mai IItcn;mcc acIiviIics shall be pc roIInof as fulluws: Aflcrcvcry significant rumOff pinch Ang rainfall event and al toast: monthly_ a. ]aspect file wet detention basin system for sedilnod accumulation, crosial, flash accumulation, vegetated cover, and general condition.' b. Check and clear Life orifice of any obslrucfiais such that drawdowi of the temporary pool occurs within 2 to 5 days as designed. Repair eroded areas hrimcdiatcly, rwsecd as necessary Lu maintain good vegefativc cover, nutty vegetative cover to maintain a i m hmmn height otsix inches, aid remove trash as needed. Inspect and lupnir the collccliou system (i.e. catch Iru;ins, piping, sw:do:, I iprap, c(c.) quarlcrly to nrainlain pruper funutiolling. 4. Rcmlovc accunnda(cd sediment frail the wct dctculiom basin Won Sc"wanmmally or when depth is reduced to 7511 of file original design depth (sec diagraia beluw). Removed scdimcnl shall be disposed of in an appropriate manner and shall be handled in a manner that will nut adversely impact waler quality (i.c. stockpiling near I wcl (lctoi ion basin or sticaan, etc.). I'hc mcamdug device used to de(Landric the sediment elevation shall be such dial it will give an accurate depth reading and not readily penetrate into accumulated sediments. When the perimaicnt pool depth Ws _g_ feet in the main pond, die sediment shall be icnoved. When the perntvaeif pool depth reads 2_ 25 feet in the forcbay, the scdinaenf shall be rcuovel. Sediment Run oval HL 2 - 2 S 13oltow 131u alien 1 . 5o RORGnAV 13ASIN DIAGRAM Gill in the' blunter) Pellimucnl fool I Icvalioa A,5-0. Sudimcut Rmaoval Bluvaliva SQ ______________________________________ nUnonl I;Icv:'Iiou —.5 MAIN POND 75 2 5'% Remove calfails and o(hcr indigenous weLlaid plants whom they cover 50'% of the basin surface. 'These plants shall be cmcouraged Iu grow along the vcgcUlLul shelf and forcbay bens. G. If dle ba51II111nSt be draiicd fur a citergcncy of to perform III ttiIIICllaIfee, the hushing of scdimcnl through the emergency drain shall be minimized In the nul.xinnan extent Iaraclicd. lams SIVU-102 Rev 3.99 INge 3 of,t 7. All compouculs of Lhc wcL JciciIholI basin t+yslcul shall be ncIiIItaiacd iu goml working orJul. 1 acknowledge and agice by my signature below that t and responsible )br the pet lonuance of (tic sevcu maintenance proccchu'cs lislcd above_ l agree to notify DWQ of any problems wilh [lie system or prior to any changes to the system or responsible party. PIintualr,c: Randell Woodfru 7ille: County Manager Address: 117 N. 343 Camden, NC 27921 Phonc: 252 33561818 signature: Date: //� .//� L V O / Note: 'I tic legally responsiblc patty sliould not be a honmowncrs association unless more than 50% of the lots have been sold and a resident of the subdivision has been named the ptesidcut. 1, S�bs�55.On a Notary Public for Iho Statc of Norte tArolt+w� County of�arnG1Gr1 do hereby certify that _c �GLI—_.�S—�JOQ� personally appeared before me Ihis Q -II" clay of a nua 20o-3— , and aclolowledge the due execution of the forgoiltg wct dclenlion basic maintcueucc requirements. Witness my hand and official seal, 6 wol-c�� 3✓�'v, OFFICIALS E L �v 1 .(r.�3m i Notary Public, Nort Carolina % County of Ca en STEPHANIE B.,JA KSON My Cammissianfxoires�-2_ ,DOIC S IAA L, My couunissioil cxpires� oL I o`�O 10 Feint SWO-102 Rev 3.99 Page 4 of