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ElectricalEvaluationΑRev.1ShraderEngineeringInc. <br />CityofLaPorteΑHillridgeWaterPlant <br />hƦƷźƚƓЌ <br />Thisoptionconsistsofconstructinganewconcretemasonryunitbuildingthatincludesa <br />controlroom,pumproomandchlorineroom.Thenewbuildingwillbeconstructedin <br />stagestoreplacetheexistingbuildingwhereitiscurrentlylocated.Theelectrical <br />equipmentthatservesthetwowellswillbereplacedatthe250Hpwellsite.Construction <br />willbesplitintofourphasesasfollows: <br />Phase1ΑRemoteWellSite <br />Installnewservicepolewithpowercompanymeterand600Adisconnect.Serviceis <br />sizedtorunbothwellssimultaneously. <br />Installnewmotorcontrolcenterat250HPwellsitewithmaincircuitbreaker,surge <br />protector,phasefailrelay,powermonitor,automatictransferswitch, <br />480V:120/208Vlowvoltagetransformer,lowvoltagepanelboard,autosensory <br />panel,solidstatereducedvoltagestarters(softstarts)forwellmotors,andmotor <br />protectionunit(Multilin). <br />ThemotorcontrolcenterwillbehousedinaNEMA3Rdropover,nonwalkin <br />enclosure. <br />Installsolidstatecontrollerandcontrols. <br />InstallNEMA4Xstainlesssteelterminalboxesandsurgeprotectorsateachwell. <br />Reroutewellcallsignalsfromexistingwellstarterstonewstarters. <br />Demolishexistingwellstartersandservicerackat250HPwellsite. <br />Phase2ΑPlantSite <br />Phase2maybedividedintotwoseparatephasesuponrequest.Thecurrentproposed <br />constructionphasingisdeterminedtominimizecoordinationpitfallsandtobethemost <br />costeffectivesolutionoverall. <br />Installductbankforfiberopticconnectionbetweensolidstatecontrollerat250HP <br />wellsiteandwaterplantsolidstatecontroller. <br />Demolishexistingbuildingandconstructnewbuildinginstagessoastohave <br />minimalplantdowntime. <br />Installnewservicepolewithpowercompanymeterand300Adisconnect.Serviceis <br />sizedtorunthreeallboosterpumpsandmiscellaneouselectricalequipment. <br />Installmotorcontrolcenterwithmaincircuitbreaker,surgeprotector,phasefail <br />monitor,powermonitor,automatictransferswitch,fullvoltagenonreversing <br />starterforone(1)40HPboosterpump,fullvoltagenonreversingstartersfortwo(2) <br />60HPboosterpumps,andautosensorypanel. <br />Install480V:120/208Vlowvoltagetransformerandpanelboard. <br />5 <br /> <br />