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HomeMy WebLinkAboutCarmel.IN - VIOC - C4.2SWPPP for CONSTRUCTION SITES: 1. HYDROLOGIC UNIT CODE HUC-14: g 09202011200�0, Locafion: Longifude: W 86'13'S1" / LatiWEe: N 39'S546" 2. RECEIVING WATERS The pmposed development will flow Mrow a proposed on-site storm sewer system ond dischorge into the exisflng master planned wet detention pond system Nst east of the pmject site via existing storm sewer'mfmshucture in Walnut Creek Drive. After exiflng Me exisCmg wet pantl detention pontl system, stormwater Men ultimotely discharges'mto Croaketl Creek. 3. ESTIMATED PEAK DISCHARGE Ex�Sr�N� Pre-COnShuCtlO¢10-y¢Of m -O�f 1J1 Cf5 100-year mn-off 4.03 cfs PROPWE� (AFTER DETENiION) Posf-coretruclioml0-year ru -off 29fi cfs 100-year run-off 5.59 cfs **These numbers were calcubted using ICPR computer so(lware. 4. STORMWATER DISCHARGE POINTS The proposed developmenf will discharge vi a proposed o-site storm s wer system antl subsequently flow to Me previausly wnstructed NorlhnAugusta Arm //1-Craoketl Creak Regulated Draln extanalon. Tha starm water wlll Men be routetl to the exleHng tletention pontl system of Wesl Carmel Marketploce, which was aster plonnetl Me entire developmenl. The e�isting detention Pocility system Uen NHmotely tlischarges to Me norMwest into Crooked Creek. 5. POTENTIAL DISCHARGES TO GROUNDWATER None 6. SOILS MAP & DESCRIPTIONS SOILS MAP � SC,QLE: � _ � �� NOR1H SOILS DESCRIPTIONS & LIMITATIONS 1. Broakston Silty Clay Loam (Br - 0.9% Site� The Brookston series consists of very deep, poorly drained soils formed in up to 20 Inches of silty material and the underlying loamy tlll in depressions on till plains and maralnes. Permeability is moderate in the suhsoil and maderately slow in the underlying material. Slope ranges from 0 to 2 percent. Subject soil does not present any foreseeable limitatians to the proposed development. 2 Crosbv Sllty Loam (CrA - 99.1% Slte) The Crosby series consists of very deep, somewhot poorly drained soils thot are moderotely deep to dense till on till plalns. These soils formed in loamy till that can be capped with up to 22 Inches of loess or silty material. Permeability is maderate or maderately slow in and obove the argillic harizon ond slaw or very slow below the argillic horizon. Slope ronges from 0 to 2 percent. Subject soil does not present any foreseeable limitations to the proposed development. 9. STORMWATER QUALITY SEQUENCE STEP y 1: CONTACT THE CITY OF CARMEL/CLAY iWP AND HAMILTON COUNTY SURVEYOR'S OFFlCE TO SCHEDULE A PRE-CONSTRUCTION MEETING. STEP #�� POST AT THE ENTRANCE OF THE SITE THE (N01) AND THE CONTACT WFORMATION OF iHE PERSON RESPONSIBLE FOR CONSTRUCTION ACTIVITIES. STEP p 3: DESIGNNiE A PERSON TO BE RESPONSIBLE FOR THE SITE INSPECTIONS AFTER ENCH 1/2" RNIN AN� A MINIMUM OF ONCE EACH WEEK. SiEP // 4: INSiALL CONSiRUCiION ENiRANCE & WLEi PROiECiION ON EXISiING WLEiS. stEa g s: iNsrn�� sat FENCE n�or�c tHE aERiraEtEa oF tHE sitE vMERE NotEo. STEP // 6: ROl1GH GRA�E SITE AN� INSTALL TEMPORARV SEE�ING IN ALL AREAS TO REMAIN I�LE FOR 15 DAYS OR AfORE. STEP y]: INSTALL REMAINING SUBSURPACE WPRASTRUCTURE. STEP // & FlNAL GRADE SITE. srea p s: iNSTn�� �nNoscnviNc nNo FiNn� sEEoiNc. STEP p 10: REMOVE ALL SEDIMENT CONiROL PRACiICES ONCE THE SIiE IS STABILIZEO. S1EP {/ 11: FlLE iHE NOPCE OF iERMINAiION (N.0.1.) WIiH IDEM. NOiE: INSiALL iEMPORARV SEE�ING AFiER A SPEQFlC SiAGE OF WNSiRUCTON HAS BEEN WMPLEiE� (iEMPORARY OR FlNAL) WHERE AREAS WILL BE I�LE OF CONSiRUCiION ACTN11E5 FOR A PERIO� OF 15 �AYS OR MORE. 7. POTENTIAL CONSTRUCTION POLLUTANTS Pa�e��a� Po���<a��s so �es �e�a��e �o a �s����,�o� s�e mav ����de, b�< a�e �o� �m��ed <o mo<e,a� and fuel storage oreasu fueling bcations, exposed soils and leaking vehicle/equipment. Polential polWtants <ha� maY aPPea� at the s��e d�e <o �o�s<,��<o� a����tes ����de, b�� a� �o� �m�,ed �a dese� ��e�. gaso��e, � ��,e�e a�d �o �.e�e .asno��, so��d .as�e, sed�me�,, Pa��� a�deso��e�,s, e4��Pme�, ,ePa� p.od��,s, a <�-�.ee=e a�d°�e���=e,. 8. TEMPORARY & PERMANENT STORMWATER QUALITY MEASURES n. �o�at�o�: sneet ca.o B. Dimensions: sheet C4.0 c. oetaoed spe��roano�s: snee� ca.o - caz D. Constructlon Detoils: see sheet C4.1 - C42 E Manitoring and Maintenance Guidelines: The existing wet pontl detentian system needs to be kept free of tmsh and debris. AIl proposetl lawn areas should be odequately watered and maintainetl wiU no bare spots to provitle o thickly vegetotetl tur� base to filter out porticles. Monitor Ihe existing wet pontl antl sediment levels ontl rem ve ony tmsh or tlebris. The maintenonce for any proposetl post-conshuctian water qualiTy meosures willabe pmvitled for by Me building owners on-site property ma'mtenance staff. GENERAL NOTES 1. CONTRACTOR SHALL INSTALL ALL REOUIRED SILT FENCES, SILT TRAPS, iREE PROIECTION AND INLET PROIECTION FOR E%ISTING WLETS PRIOR TO THE START OF ANY EARTH MOVING OR STRIPPING. 2 CON1RACiOR SHALL INSIALL A 510NE CONSIRUCPON ENiRANCE OR SOME OR1ER �EVISE PRIOR i0 iHE SiARi OF EARiHWORK AS NECESSARY i0 PREVENi SOIL FROM BEING iRACKE� OR WASHE� INiO EXISiING ROA�WAVS. 3. LAND ALTERATIONS WHICH SiRIP THE LAN� OF VEGETATION, INCWDING REGRA�ING, SHALL BE �ONE IN A WAV THAT'MLL MINIAIIZE EROSION. WHENEVER FEA9BLE, NATIIRAL VEGETATION SHALL BE RETAMED AND PROIECTED. AS GRADING IS DONE. INSTALL SILT TRAPS, SILT FENCES, SLOPE DRAINS, iEMPORARY DIVERSIONS AND OTHER RUNOFF CONiROL MEASURES AT APPROPRIAiE LOCATIONS TO KEEP SEDIMENT CONTAWED ON 9iE. 4. NLL DISTURBED AREAS SHALL BE SEEOED AND STRAW MULCHE� AS SH�WN ON 1HE PLANS IMMEOIAiELY AFiER COMPLEPON OF GROUN� ACiIVIiV. FOR LARGE PROJECiS, iH15 SEE�ING SHOUL� BE COMPLEiE� IN PHASES AS iHE �IFFERENi AREAS OF iHE SIiE ARE COMPLEiE�. 5. PERMANENT AND RNAL VEGETAPON OR STRl1CTl1RAL EROSION CONTROL �EVICES SHALL BE INSTALLED AS SOON AS PRACPCAL IIN�ER THE CIRCIIlASTANCES. 6. THE DURATION OF TIME WHICH AN AREA REMAINS E%POSED SHALL BE KEPT TO A PRACTICAL MINIMUM DEPENOING UPON THE WEARiER. IF CONSTRUCTION ACIIVITV IS TO CEASE FOR MORE THAN TWO WEEKS, THE DISTURBEO AREAS SHALL BE TEMPORARILV SEEOED. ]. NLL SiORM SEWER WLEi PROiECiION �EVICES SHALL BE PUi IN PLACE Ai R1E iIME EACH INLEi15 CONSiRUCiEO. B. iHE CONiRACiOR SHALL MAMiAM EROSION CONiROL MEASURES AN� �EVICES �URING CONSTRl1CTI0N AN� UNTIL SILTAPON OF iHE STREETS AN� STORM SEWERS WILL NO LONGER OCCIIR. 9. ONCE ONSRE EROSION AND SILTAiION OF iHE SiREETS AND STORM SEWERS 'MLL NO LONGER OCCUR, THE CONiRACTOR SHALL REMOVE AND �ISPOSE OF THE TEMPORARV EROSION CONiROL DEVICES. 10. THESE GENERAL PROCEOURES MAV NOT COVER ALL SITUATONS. REFER TO EROSION CONTROL PLANS FOR SPEQFIC NOiES ANO A��IiIONAL DEiAILS 1L EROSION WNiROL i0 COMPLV Wlhi IN�IANA 3D IAC AN� RULE �'S, IN�IANA HAN�BOOR FOR EROSION WNiROL IN �EVELOPING AREAS, AN� HEN�RICKS COUNiY/iOWN OF BROWNSBURG STAN�AR�S AN� SPEQFlCATIONS. 12. ADDIiIONAL ER�SION CONiROL MEASORES lAAV BE REQIIIRE� IN RiE RELD BY iHE INSPECTOR. 10. SOIL STOCKPILE BORROW AND/OR DISPOSAL A soil stock pile will not be required due to ihe limited scope of the project. CCC !`LJAOT C/1D IIAIAITCAIAAI/`C OCl1111DCIICNTs` RELEA$ED FOR CONSTRACTION �PP P��=ed�.e= a= �����ea: ro ee o=term�ned Su6jec��ocompliancewithallregula�ions �a be inspected/�leaned weekly and after ony 24hr,-V2-inoh 04 S�a�e antl Local Codes City of Carmel y�a�v��� �'�a;,v��tiN. � � DATE: OZ�� 3�ZO EROSION CONTROL MEASURES MAINTENANCE REQUIREMENTS Slli F£NCE MAINIENANCE REOIIIPElAEN15 i. wsaect �xe si�t rzxcc aereiooicnur nxo nr�a eacn stwrM ev�xt. 2 IF FENtE FABPIC IEnPS, SiARiS i0 OECOMPOSE, OP IN qNY WAY BECOMES MEifEC➢YE, REPLACE ME FFfECIE� PORPON IYYEOIAIELY. 1 REIAOVE DFPOSIIEO SE�IYENi NHEN li REACHES HAIf ME Hflpli OG 1HE FENLf Ai RS LOMESi POWi pt IS GOSINC ME FABPIC i0 BULGE. 4. iAKE CARE i4 AV01� UN�ERMINING ME F£NCE UIIRING CIFAN OVi. i AFffR ME CANIPIBUPNG URAINAGE AREA HAS 9EEN SiABI0ZE0. REMOVE 1HE f£NCE PNO SE�IMENi �EPOSIfi. 9RING 1HE �ISNPBED PFEA i0 GRAOE. AN� SiABILIZE. SiORM INIfT PROIECPON BAG MAWIENANCE REQUIREMENIS 1. INSPECi FREOUENRV Fpt UAMAGE BY Y£HICUUR BAFFIC, ANU RfPAIR IF NELESSARV. Y. INSPECi Rf1ER EAp1 StOPM EVENi d. REIAOVE SE�IIAENi, NiMWi RUSHINC, NHEN li REACHES HA6 ME Hf1GHi OG 1HE BARRIER. 4. �EPOSIi REMOVED SE�IMENi WAEPE li NiLL NOi EN1EP SiqtM �PRINS. 11. TEMPORARY & PERMANENT SURFACE STABILIZATION remvo�a.r seea��a w�u be �sea os cemvo�a.v s�na�e siab�u:ot�o� meas�. s �f oreas are to be left itlle Por more Man 15 tlays. See sheets C4.0-C4.t.e Permanent seeding will be useE as permanenf surfare sfabilizatlon measures The Eelails ond specifkotions (or each stoted measure are on sheefs C4.0-C4.1 and .�h� �he f,�o� �a�d=�aoe P�a�. 12 EROSION CONTROL FOR INDIVIDUAL BUILDING LOTS There are no individual buildlnq lots on thls project. 13. MATERIAL HANDLING AND SPILL PREVENTION Expactetl materlals Ihat may appear ot Ihe elte due lo aonelmatlon aoHvitiee inalude, bul are not limlted to peholeum praducte, �ertlllzere, paint ond solvents, antl concrete. Materials shall be storetl in Ihe tlesignated material storoge areo. Spill preventian Por veFmle ontl equipment fueling sball conform to the Pollowing pmctices: vehicle equipment �ueling pmcetlures ontl pracCmes are designetl ta prevent Nel spills antl leaks, and retluce o eliminate contamination of stormwaler. This c n be ocromplisM1ed by asing offsite facilities, iueling In tlesignatetl a only, enclosing o ring storetl fuel, implementing spill confrols, antl fraining emplayees �a s�e�o�noo<o.: ��� p.ope. meimq p.o�ed�. :�5 um�<a<�o�:: o�:�ie��em�ie e�e eq��pme�t r�er��q sno�id omy ee �:ea wne.e ��� ��s �mp.a�u�ai to senG veM1icles anE quipment offsite for fueling. Sentling veM1lcles and equlpment offsite shoultl be done in conjunction witM1 a Stabllired Constmction Enfrance/ExiL Implementatian: llse offsite fueling statians as uch as possible. �iscourage "tapping-ofC o� fuel tanks. Absorbent spill cleanup materials anE spill kits sFould be available in fueling eas ond on fueling Uucks, and should be Gisposed of propetly after use. �rip pans o absorbent paEs shoulE be useG during vehlcle anE equlpment fueling, unless fFe fueling Is performed o r an impermeable surfare inra Gedicated (ueling a a. ❑se absorbent materials on small spills �o not hose down or bury fFe spillVeRemove the absorbent moterials prompUy and dispose ofrproperly. Avoid moblle (ueling o! mobile conshucfion equipment around the sife: rother. lransport the equipment to designated lueling a Train employees and subwntractors in pmper fueling and cleanup procedures. Dediwted fueling a s should be protected (rom stormwater�sru and runoff, and should be lowted al least 50 ft away from dawnstream drainage PociliPies and wafercourses Fueling must be performed on level-grade ar Protect fueling a with berms and dikes to prevent m noff, and ta contain spills. Nazzles used in vehide ond equipment fueling should be equippedewith an automaCm shutoff to conUol drips. Fueling operations should not be left unottentled Federal, stote, ond locol requirements shoultl be observed Por any stationary above grountl storoge tanks. Vehlcles ontl equipment should be inspectetl each tlay o� use for leoks Leaks should be repairetl immediately or problem veM1icles o equipment should be re vetl from the projecl site. Keep ample supplies of spill cleanup materials ansite. Immetliolely clean up spills and P,oPe.�Y d sPose o� �a��am��a<ed so��s. Spill prevenPion far solid waste shall ronform to the Pollowing pmctires: Sofid waste m naqement procedures antl practlres are designetl to prevent or reGure the dlschorge o� pollutants to stormwoter from soli� o conshuction waste by proviGing Eesignated waste rollectian oreas a�e �oo�ame�:, a a�qmq ro. .eqwa� e�:po:oi, o�e trammq empioyee: a�d s�e�o�o-a�m�s. soue wasce qe�e.oiee o-om c.ees ooe :n.�es veE during land clearing, demolition of existing sUmWres, and building c nstruction. Packaging materials including wood, paper, and pl sCic Scrop o surplus building mate�ials incluGing scrap metals, rubber, plastiq glass pieres and m onry products. �omestic wastes induding (ood containers such as beveroge cons, mf(ee <ups, paPer bags, plastic wropPers, and cigarelfes. Constructlon wastes 'm<luding brick, morlap Cimbep steel and metal scraps, pipe and eleclrical cuttings, n rhozardous equipment parts, Styrofoam and olher package nshucfion materials. Seiect designated waste collection a nsite. Inform hash-hauling conUactors that you will accepf only watertight dumpsters for ansite u Inspect dumpsters Por leaks and repai� any dumpster Ihat is not watertlght Provide o adequate number ot ontainers with lids a rs that can be placed a er tM1e contoiner to keep ra out ar to prevent loss ot wastesnwhen it is windy. Plan for adtlitional containers and m e frequent pickup tluring Ihe tlemalilion phase of c nstmclion. Collect site trash tlaily, especiolly during miny antl wintly contlitions. Remove Mis solitl woste promptly s antl sediment conhol devices lentl to collect litter. Moke s e that ��aa a�o �o� m.io na�m wae<ea (a�aa ona, aoi�a��a a�a aamca) o�a onem��ia (aams, vaan�ia�, mme�ea, a�.ma aomvo��aa) a� �oi msaoeeauor m dumpsters designetl for c nstrvction debris. Oo not bose out tlumpsters on the c ns[mcHon site. Leave dumpslerecleaning to Me frasM1 hauling contmclor. Arrange for regular woste collecCion before conloiners averflow� Qean up immetliotely if a cantainer does spill. Make s Uat constmctian waste is collected, r oveq ond �isposed of only at auMorired tlisposal a Solltl waste storage a s shoultl be located at least 50 ft from tlrainage facilities antl watemourses and shaultl not be locotetl in are srprone to flaotling or pondingeOlnspect constmction woste are regulatly. Arrange for regular waste rollectiaa � SpillaprevenPion for c crete washout shall mnform fo tFe following practices: Store dry and wet materials untler rover, way from drainage a AvoiG m xing e unfs of fresF c crefe. Perform wasFout of c crele trucks offsile o n designated a only. �o not wasF oulsc crete Uucks into slormodrains, open GifcMes, sUeels, o sheams. �o nol allow e crete lo Ee Guped onsite, e cepl in designated areas. Lowte washout areas al least W ft from sfo�m droins. open ditches, o� water bodles Do nol allow runoff from lhis a by canstmcting a temporary pil or bermed area large enough for liquid and solid waste. Wash out wasfes inlo the temporary pit where lhe c crete c sel, be broken up, and then tlisposed prapedy. Avoid creoling runoff by draining water to a bermed or level a when oshing c ncrete to remore flne portides antl expose the aggregafe. Do not wash sweepings /rom exposed aggregafe concrefe inlo the street o storm tlrain. Collecl antl retum s eepings lo aggregafe bose stockpile ar dispose in the trash. The cleanup parameters sholl canform to the following practices: The developer / homeowners a ciatian shall be continually kept inPormed, maintain lists o� qualifletl contractors antl available Vao-hucks, lank pumpers antl other equipmenl readily a ssible Por cleanup operotions. In atltlilion, a ontinually uptlated lisl af available absorbent materials antl cleonup supplies should be kept o site. AIl aintenonce personnel will be matle o o� lechniques for prevenflon of spills. ihey will be informed of Me requirements ontl pmcetlures utlined in tFis plon. They will be kept abreost ot cu ent tlevelopments o ew inPormotion on Me prevention of spills and / or necessary alteration to tFis plan. NTen spills o cu which couldrendanger buman li�e and Ihis become primary c ncem, Me tlischarge af Me life saving protection �unclion will be carried wl by the local pollce antl fire depar[ments. Absorbent materials, whicF are used 'm cleaning up spilletl maleriols, will be tlisposetl of In o manner subject to tFe appmval o� Ihe Intllana �epar[ment of Environmental ManagemenL FlusM1ing of spilled material with water will not be permitted unless so authorizeE by the Indiana �epartment of Environmental Management. Spill prevenPion for vehicle an� equipment maintenanre shall conform to tFe following pmctices: Prevent o reduce tM1e contamination of stormwater resWting from veFicle and equipment maintenonce by ru ning a"dry antl clean site". TFe best opPion would be to periorm aintenance activifies at a offsite facilify. If this option is not available then work should be performed in designated a only, wFlle proviGing c r for materials stored outside, checking for leaks and spills, and confaining and cleaning up spills immed'mtely eOTM1ese proceEures are suilableVon all conslruction projecls where an onsite yard area is necessary (or storage and maintenan<e o( heary eQuipment and vehides. Onsite vehide and equipment maintenonce should only be used where it is impracliwl lo send vehides and equipment offsite for maintenance and repaic Sending vehides / equipment offsite should by done in conjunction wifh a stabllized <onstru<tlon entronre / exit Out door vehide or equipment maintenance is a patentially signi(icant so of stormwater polluTioa AcCrvilies lhat c ontaminate stormwater dude engine repair antl s changing o replacement of flultls, antl outtloor equipment storage and parking (engine fluitl leaks). ❑ amce�a��e m�st o �snee'� e des�e�aiea a s, iooated awar t�om a.a��aee � oea��ated ma�me�a��e a sno�m ne v.oceoted from stormwater m antl r noits antl sM1oultl be located ot leost 50 ft from tlownsfream tlrainage focilities and water as Orip pans o absorbent pads should be usetl tluring veM1lde ontl equipment mointenance work Mat involves fluitls, unless Ihe maintenance wosk is perPormetl and Impermeoble surPoce in a dedlcated maintenance or a. Ploce a stackpile of spill cleanup materials where It will be reatlily o ssible. AIIQNeling frucks antl fuefing o requiretl la have spilleklts and/or u aMer spill protection tlevices. Use obsorbent materials ac mall spills. Remove the obsorbent materaials pmmplly and tlispose af pmperly. Inspect onsile vehicles and equipment daily at startup Por leaks, antl repair Immed'mtely. �eep vehicles and equipment clean; da not allow exces've buildup of oil and grease. Segregote antl recycle wastes, uch os greases, used oil o oil filters, antifreeze, cleaning soNtions, autamotivesbatteries, hydraulic ana Uansmission �uids. Provitle ondary confainment and c s for these materials if stored onsite. Train employees and subronUactors In proper maintenance and spill sfronup procetlures. D�ip pa sVeor plasPm sFeeting shoulG by placeE unGer all vehlcles and equipmenf placeG on docks, barges, ofFer ctures o wafer bodies wFen the veFlcle o equipmenf is planned fo be idle for m e than 1 hour. Propedy dlspose of used oils, fluids, lubri<anls, ond spill cleanup materiols. Properly dispose o( or recycle used bafteries. Do not pbce useC oil in a dumpster or pour inlo 0 storm drain o water wurse Property dispose o/ used oils, fluids, lubricanls, and spill deanup materials. Don nof bury fires. Repair leaks of fluids and oil immedialely Spill prevenCion (or (erfil'¢ers shall conform to the following practices Ferfil'¢er's used will be applled only in the minim amounfs ended by the manu/ocfurer. Once apPlieQ fertilizer will be worked into the soil to limit exposure to storm wafec The c ntenls o( ony partially used bags af fertilizer will be tmnsferretl to a sealable plastic bin to avoid spi0s. Spill preventlon Por paint and solvenls shall conform to Ihe following practices: AIl containers will be lightly sealed and slored when not requiretl Por use. E%CE55 PAINT WILL NOT BE DISCHARGEO TO iHE STORM SENER SVSiEM but will be properly tlisposetl of occording to mawfacturers' insfrucflons or Stote or local regulotions. Spill prevenHon ontl cleanup shall conform to I�EM Porm 3D IAC 2-6 and Ihe Local Flre Deportmenl shall be contacted in Me cose o� a ma<e,a� sP�� o���,���9. 14. CONTACT WFORMATION CHRIS �ULEV - VALVOLWE INSTANT OIL CHANGE (859)-35]-20J3, chrisfopher.duley�aalvoline.com INDIANA �EPARTMENT OF ENVIRONMENTAL MANAGEMENT EMERGENCY REPONSE: 1-888-233-]]45 CARMEL/CLAY DEPARTMENT OF COMMUNITV SERVICES: 31]-5]1-241] CARMEL CLAV TWP. FIRE DEPARTMENT: 31]-5]1-2600 (ADMIN.); 911 FOR EMERGENQES HAMILTON COUNTV SURVEVOR'S OPFlCE: 31]-]]6-8495 i5. REVISION RECORD DATE DESCRIPTION DES BY APP BY SWPPP for POST-CONSTRUCTION: 1. POTENTIAL LANDUSE POLLUTANTS Potential pollutant sour s thal may appear at the site due to propased lond u activities, but ar not fimited lo vehicles,cexposetl soil antl tmsh. Potenflal polWtants inclutle, but o not limitetl to e fertif¢er, oil, hydroulic/brake fluiQ grease, tliesel fuel, gasoline, anti-freeze, auto soap antl fertilixer. 2. POST-CONSTRUCTION STORMWATER QUALITY MEASURES: A Location: sFeet C3.0 & C4.0 e. o�meo:�oos: snee� cza a cao c. s:��q coiowauo�s: e o.omaqe cai�wae�oos ❑. oecoaea speo�r���oe�oos: :ee sneee ezo � ezi E Constmction �efails: see sheet C4.1, C42, C].0 & C].1 A new offline 4' tliometer pownstream DefenderC�: by Hytlro Intemational along with It's diversion monM1ole will serve os Ihe post-constmction stormwater qualiTy meo The proposetl 4' tliometer pownsfream OefentlerR� hytlrodynamic seporator antl thegnew 5' tliameter dlverslon monM1ola have been tlsaigned to heot Me etormwater mnof( from Me fully tlavelapetl s�eie�< s��e. nu a.oPosee iaw� a eas a�a ia�as�aP��e sno�m ee mea�a�eiy wo�e.ea a�a maintained with na bore spots to provitle o thickly vegeloletl Nrf base to filter out porticles. Remove ony hash ond debris fmm Slorm Slructure //BMP and ;��01. ihe maintenance �or the p.oposee po:i-�o�:o-��uoo wace. q�anty meas��e: w�u ee p�o�med ro� ey cne ow�e.s oo-s�ee property maintenanre sfaff. 3. SEQUENCE DESCRIBING STORMWATER QUALITY MEASURE IMPLEMENTATION The post-constmclian stormwater quality meosures Mat M1ave been propased for Mis project a 4' �la. �awnsfream De�entlen and 5' �la. �iversian Manhole. Final stormwoter quolity measure rwill be implementetl as gmding is flnalized Sequences o� stormwoter quolily items are tlescribetlin the emsion canfrol schedule in number (9), 4. STORMWATER QUALITY MEASURES TO BE IMPLEMENTF..��_TQTOFE RIPARIAN HABITATS: S"""BERE°�" GALLONS PERIN The d t-constmction BMPs a well as the abuntlonce f IusM1 turf antl lantlsca will BEDISNFEQED propose pos o p ping 9� gmqLLBE ery little if any pollutants Uat coultl cause harm to [he downslreom wet pontl tlelention system, it s r outlep ar riparian habimts. 5. AN OPERATION & MAINTENANCE MANUAL FOR ALL REQ�;AEM, POST-CONSTRUCTION STORMWATER QUALITY MEASURES:`'"o`p`� Please see the attached 0&M m ual for the proposetl structural BMP's: a 4' tliameter pownstream Defentler�: by Hydro Intematlonol�antl the 5' diameter Diversion Manhole. PROJECT DESCRIPTION B` lhis project Is localetl n r Ue nor[heost c o� Ue interseclian o� Michigon Raatl (US 421) ontl 981h Sheet in Hamilton County, Intliana. iM1ensile totals 0.98 +/- a ontl is part of the aster-planned West Carmel Marketplace developmenl with a ssigne�eatldres�seof 9835 Michlqan Road, TFe proposed improvements will c sist of o w 6,100 square Poot c cial multi-tenant building to s retail and restaurant u Also included witM1 Me proposedmimprovements will be utillty anG dminage inhastmcWre along wiM n w Fartl surface for porking and Ingress/egress. The sxishng wef GetenCion pond sysfem Fas been master-plannetl anE previously approveG to provitle m�mwace. deie�cm� ro� me s�e�eo� s�ce �� me po:i-ee�eiopee oo�d��e��oo. me:e pioo: a�e colculotions analyEe the existing anE proposeE droinoge patlems and will show thaf lhe proposed Improvemenls will have no negative effect on drainage wnditlons in the area. STORMWATER QUALITY DESCRIPTION The proposed development will Cischorge via a proposed orsite storm sewer system and ubsequently flow to lhe previously wnstmcted North Augusta Arm g1 - Crooked Creek Regulaled �rain extension. The storm water will lhen be rauted west to lhe existing wet detention pond s}sfem, which has been master-planned to pmvide storoge for lhe posl-developed subject site. Before entering the exisling wet pond, the stormwater will tirst enter a dirersion starm manhale str��w.e (sca�m so-��m.e Nioa) .n���n .�u �o�c me v.ovosea sm�m.ace. ���an ca me v�ovosea nM�oamam�� sm.mwace. v�amy ���i. sm�mwoce. w�n c.a�ei cn�o�en <ne a' a�amece. oow�so-eam �efender9' by Hytlra Intemational nd then tllscFarge into tM1e exisPing wet pantl vio exisPmg storm 'mfmstructure. In tum, the Mo (2) BMP's have been designed lo treat the slormwaler runoff from the fully develaped outlat. CONSTRUCTION ENTRANCE INFORMATION The localion o� Ihe ronshuclion enfrance is on sFeel C4.0. TM1e conshuclion enhonce specifications a�e o� :nee< ca.i. SHEET FLOW SEDIMENT CONTROL Silt �ence, temporary seetling will be used a erosio onhol m s Por sheet flows. The locotion, detoils, an� speciflcatiore for each stated setlimentnconlml measure is on sheets C4.0-C4.1. SiOAM 4WER INLEi PAOIECPOx MAINIENANCE REQUIREMENiS 1. Af1ER EACH Si0R1A El4Ni, REYOVE WE SEDWfNi AN� REPIACE ME SiOPY Ml£i PROIECPON BAG. 1. PERIOOICALLY REMO�£ SE�IYENi AN� 1RACNEO-ON SqL FPqI iNE SWEEi, 'MMWi RUSHING, i0 acoucE ME scoiuEHr �ono oH �xc ix�r aRahcnox. I. INSPECi PERIO�ICAIIY fpt OAMAGE RN� PEPAIP; NFFP GPR1E5 FAEE OL �EBRIS. 4. NHEN WE CONIRIBOPNG ORAINAfd AREA HAS BEEN SiPHWl£0, REYOVE 1HE Si0R11 WIEi PPOIECPON BAC PNU ANV SE�IMQIi, PN� �ISPOSE OF PROPEPLV. 1EYPORARY CPAYEL CONSIROCPON ENWFNCE IAAINIENANCE PEQIIIREMENiS 1. INSPECi ENBANCE P/ll N1� SE�IMENi �ISPOSAL APEA WE➢(LY AN� Af1ER SiOPM EYENiS OR HEAVY OSE. 2 RESNAPE PA� AS NE£�m FOR �RAINAfE ANO RONOfF CONIROL. d. iW�RE55 'MiH CI£AN STONE AS NEE�E�. 4. IMME�U1ElV ftEMOI£ MUU AN� SmIMENi 1RACNE� OP WRSHE� ONiO PUBIIC POA�S BY 9ft0911NG OR SN£EPING. nusxinc srou�o ax�r aE us�o ir tnc wnmr is conrcxo into a s�niucnr mna oR an�n. 5. REPAIR ANY BPONEN ROAU PAVEYENi IYYmIAiELY CONCENTRATED FLOW SEDIMENT CONTROL Sediment mntrol m es Por co enfrated flow a not needed for this project site. AIl easur nc reas are enlrated flows will be released Into the existing storm sewer syslem in Walwt Creek Drive via Me�propased storm sewe system. INLET PROTECTION LOCATIONS AND SPECS �antly Bags will be usetl to protect all surface inlets. ihe location, tletails, and speciFlcaflons for each stated setliment conlml measure is on sheets C4.0-C4.1. RUNOFF CONTROL MEASURES ihe mnaff canfrol m e the s s those Ilsted for sheet and c entmted flow conhol. The delails and speciflmtions of eacM1 � nof� confrol measure are on sheelsnC4.0-C4.1. OUTLET PROTECTION SPECIFICATIONS Stormwater ouHet protedion location and speciflcotians con be /ound an sheets C4.0-C4.1. W � � x U�o � � � oW� �zlx � 1-1 n �oz �[n � O � � � � � �1� /ti WyoX /ti rl w 1--V a O � d � U Z a � 0 � � - 1- � � �� � � O U� o � � _� v a� N --� x =30 0 N� � �� � > O C r /� � O r V _ � � N C � WL�-o 1� O � � A U � �� 3 o f� J "� �o � � L U a � ��.Q'�G\9TEq �S'� � �. N� � �f' PE1091064] :i� � - 51A1E�F = i o•� ���✓ {dp'•� 0� Q �� ., DIA ,.• 2 ♦ F G � ,',,�� �/11 11� �,,,,,, ��,�� �- !G SH�rLL B(�'(�I'����I� SEWERS, WATEF MAWS, STREETS, ���%1 CITVOF Fti v � � y..�I..� � F�1 x F � O Q �z� O o� � � � ZFQ � Q I--I 'n z Vl � � � O -/-I WW W 7z�r, ^ � V I� � O � �\ � I� � �m �� � � O I--I � � � � a O � � O a I14 � � ��/ I14 O H/� Vl PROJECT NUMBER VIOC.��1 C4.2 SHEET 8 OF16 zoo