ML17208A766

Environ Qualification of Electrical Equipment in Harsh Environ Which Is Required for Accident Mitigation/ Monitoring.

ML17208A766
Person / Time
Site:	Saint Lucie
Issue date:	06/01/1980
From:	FLORIDA POWER & LIGHT CO.
To:
Shared Package
ML17208A765	List: ML17208A763 ML17208A766 ML17208A767
References
IEB-79-01B, IEB-79-1B, NUDOCS 8007020321
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FLORIDAPOWER6cLIGHTCOMPANYRESPONSETOI6KBULLETIN79-013PHASEI(ACTIONITEMS1-3)FORSTLUCIEUNITNO.1ENVIRONMENTALUALIFICATIONOFEIZCTRICALEUIPMENTINAHARSHEWiIRONMENTWHICHISREUIREDFORACCIDEFZMITIGATION/MONITORINGJlPiK1,1980.4go-96ggy7QgP3l7eD<~~Uvl4LVV~lIISnovosogg-I'.

TABLEOFCONTENTSSECTIONTITLEPAGE1.01.11.

21.3INTRODUCTION

ContentsofReportMethodologySystemsAnalysisApproachl-l1-11-11-22.02.12.22.3POST-ACCIDENTENVIRONMENTPost-LOCAEnvironmentalConditionsMainSteam.LineBreakEnvironmentalConditionsEighEnergyLineBreakOutsideContainmentEnvironmentalConditions2-12-12-23.0MASTERLIST3-14.0COMPONENTEVALUATIONSHEETS4-1 INTRODUCTIONContentsofReportThisreportissubmittedinresponsetoIEBulletin79-01BasPhaseIofatwophaseeffort,wherePhaseIrespondstoActionItems1,2and3.PhaseIIrespondstoActionItems4and5ofthesubjectBul-letinandwillbesubmittedtwomonthfromthedateofthisreport.-FloridaPower&LightCompany(FP&L}respondedtoIEBulletin79-01(vialetterL-79-181datedJuly2,1979)asregardsequipmentinsidecontainment.This,reportthereforefollows'heformatofthepre-viousreportbuthasbeenexpandedtorespondtotheincreasedscopeofIEBulletin79-01B,i.e.,toaddressequipmentlocatedoutsidecontainment.Inaddition,inordertofacilitatecompletionoftheNRCevaluationoftheStLucieUnit1submittals,a"systemsanalysis"approachhasbeenusedasdiscussedinSeccdon1.3infra.Thisreportconsistsofthreemajordivisions:amainreportcontain-ingdescriptiveande~lanatoryinformation;aMasterListwhichde-lineates,bymajorsystem,theequipmentwhichseesaharshenviron-mentandisrequiredtomitigate/monitortheaccident,andtheCom-ponent.EvaluationSheetswhichpresent-detailedenvironmental.parametersforeachcomponentexposedtotheh'arshenvironment.HethodoloEquipmentqualificationbyits.verynatureinvolves.considerationofthe"designbasisaccident,"(DBA}scenariowhereinthepostulated..accidentresultsintheworst-caseenvironmentalconditions(e.g.,pressure,temperature,humidity)towhichtheequipmentisexposedandunderwhichit.mustfunction.ThereforeforequipmentinsidecontainmenttheDBA'saredefinedastheLOCAandtheMbLBwhichgivetheworstenvironmentalconditionswithrespecttocontainmentpres-sure.and/ortemperature;theworstcaseswereidentifiedpertheFSARianalysesandarediscussedinSections2.1and2.2below.Highenergylinebreaks(HELB)outsidecontainmentaredefinedanddis-cussedinFSARAppendices3Cand3D.Whereasequipment.insidecon-tainmentseestheenvironmentoftheaccidentitisrequiredtomitigateortomonitor,theequipmentrequired,foranHELBoutsidecontainmentinmostcasesisnot.exposedtotheharshenvironmentofthepipebreakunderconsideration.ThereforetheresponsetoIEBulletin79-01Binvolved1)adefinitionoftheaccident2)adeter-minationofequipmentrequiredtomitigatetheaccident,3)adeter-minationofequipmentrequiredtomonitorrecoveryfromtheaccident,4)definitionoftheresultantenvironmentalconditionsandplantarea(s)involvedand5)locationoftheequipmentidentifiedinsteos(2),(3)and(4).SourcesutilizedfortheabovedeterminationsincludedtheFSAR,TechnicalSpecifications,EmergencyOperatingProcedures,PipingInstrumentationDrawings,ElectricalEquipmentLists,ValveLists, 00 1.2(Continued)CableandConduit,Lists,thepreviousresponseto79-01,andonsitesurveys.1.3SstemsAnalsisAnroachTable1-1isalistofthesystemsreviewedtodeterminewhetheranycomponentswithinthosesystemswereexposedtotheaccidentenvironmentandwererequiredforaccidentmitigation(AM)orpost-accidentmonitoring(PAM).Thisapproachensuredthatallcomponentsexposedtotheaccidentenvironmentwereconsideredforevaluation,evenifsuchequipmenthadnotbeenpreviouslyidentifiedassafety-related,orClasslE,ordefinedasanengineeredsafetyfeature.Conversely,thisap-proachalsoidentifiedsystems.which,althoughrequiredforAMorPAM,arelocatedinaplantarearemotefromtheaccidentenvironment,andwhicharenotsubjecttoaharshenvironment.Usingthesystemsanalysisapproach,systemswereidentifiedasserv-inganAMorPAMfunction.Thesesystemsweretheninvestigatedtodeterminewhat,ifany,.componentswereexposedtotheaccidenten-vironment;thisinvestigationwasdoneona"loop"basis;thatistheelectricalloopfromtheaccidentareaboundariestotheaffectedde-vicewastracedandeachcomponentevaluated.Forexample,iftheSafetyInjectionSystemisactuatedforaDBA-LOCAbyapressuretransmitter,inside.containment,theentireelectricalloopisevalu-ated,fromthecontainmentelectricalpenetrationassemblyviacables,splices,switchesetctothetransmitter,for-qualificationtotheDBA-LOCAenvironmentinsidecontainment.OntheotherhandaCom-ponentCoolingWaterSystempressuredifferentialtransmitterwhichisusedtomonitorCCWflowtothecontainmentfancoolers,butwhichislocatedintheRABinanareaunaffectedbytheDBA-LOCAconditions(eg,unaffectedbyshinefrompipingrecirculatingradio-activesumpfluid)need.notbeevaluatedfurther.Similarly,equip-mentinsidetheControlRoom,ElectricalEquipmentRooms,and-otherplantareasunaffectedbytheaccidentunderconsideration,whichseesanambientenvironment'isnotevaluatedfurther.NotethatFP&Lisevaluating.,asaseparateitemunderPhaseIIoftheresponsetoIEBulletin79-01B,theeffects.ofradiationonequipmentagainsttheguidelinesprovidedinEnclosure4oftheBulletin.Duringthecourseofthisreview,usingthesourcesdescribedinSubsection1.2itwas-determinedthatsomeequipment,forexamplethereactorcoolantpumps,didnotserveasanaccidentmitigatorormonitor,butinsteadwereusedin"bestestimate"accidentscenariosforoperatorconvenience.Whereitwasdeterminedthattheoperationofsuchequipmentwasnotreliedupontomitigatetheenvironmental1-2 1.3(Continued)effectsoftheaccident,orwheresuchequipmentwasnottheprimarymeanstoachievesafeshutdown,furtherevaluationwasnotperformed.TheEmergencyOperatingProceduresgenerallyarebasedona"bestestimate"orrealisticaccidentscenarioandthuscalloutmoreequip-mentforoperatorusethanisassumedavailableinthetraditionalDBAscenario.Since.theDBAresults9.n'worst-caseaccidentenvironment,itgovernedthechoiceofAMandPAMequipment.1-3

TABLE1-1ENVIRONMENTALREQUIREMENTSSTLUCIEUNIT1SYSTEMSANALYSEDENGIiNEEREDSAFETYFEATURESACTUATIONSYSTEMSAFETYINJECTIONSYSTEMCONTAINMENTCOOLINGSYSTEMZODINE'EMOVAL.SYSTEMCONTAINMENTSPRAYSYSTEMHYDROGEN,CONTROLSYSTEMRADIATIONMONXTORINGSYSTEMECCSAREAVENTILATIONSYSTEMCONTAIiiENTPURGESYSTEMCONTAINMENTVACUUMRELIEFSYSTEMSHIELDBUXLDINGVENTILATIONSYSTEMCONTROLROOMAIRCONDITIONINGSYSTEMAUXILIARYFEEDWATERSYSTEMBATTERYROOMVENTILATIONSYSTEMELECTRICALEQUIPMENTROOMVENTILATIONSYSTEMEMERGENCYDIESELGENERATORSYSTEMSHUTDOWNCOOLINGSYSTEMCOMPONENTCOOLINGWATERSYSTEMCHEMICALVOLUMECONTROLSYSTEMCOOLINGWATERSYSTEMMAINSTEAMSYSTEMMAINFEEDWATERSYSTEMWASTE.iiNAGEKNTSYSTEMSAMPLINGSYSTEMELECTRICALEQUZPKBFZiiISCELLANEOUSPENETRATIONSREACTORCOOLANTSYSTEMINSTR~iTAIRSYSTEM1-4 2.0POST-ACCIDENTENVIRONMENT2.1Post-LOCAEnvironmentalConditionsTheplantenvironmentalserviceconditionswithinthecontainmentareclassifiedinthefollowingenvironmentaldesigncategoriesdescribedinFSARSection3.11.1:I-A,LongtermcontainmentenvironmentfollowingLOCAorsteamlinebreakaccident(uptooneyear).I-BShorttermcontainmentenvironmentfollowingLOCAorsteamlinebreakaccident(upto15minutes,orforcertainECCScomponents,uptoinitiationofrecir-culation).Theenvironmentalconditionsoftemperature,pressure,humidity,andradiationforeachofthesetwocategoriesarepresentedinTable3.11-1oftheFSARandarerepeatedinTables2-1and2-2herein.TheseTablesaxepresentedasAttachmentItotheCompon-entEvaluationSheetsinSection4.0.ThecategoryI-AandI-Benvironmentalconditionscompletelyenve-lopetheworstcaselossofcoolantaccident(LOCA)consideredintheFSAR.ThisworstcaseLOCAisadoubleendedslotruptureatthesuctionofthereactorcoolantpumpinthecoldleg(9.82ft2breakarea)..Thisresultsinthehighest'eakcontainmentpressureQ8.4psig)and'oincidenttemperature(259oF).ThepostulatedaccidentpressureandtemperaturetimehistorycurvesarepresentedinFigures6.2-1Aand6.2-1CoftheFSARandareincludedinFigures2-1and2-2ofthisSectionrespectively.ThecontainmentradiationenvironmentisbasedonaLOCAfissionproductreleasesourceconsistingof50percentofthecorehalogeninventory,100percent,ofcoreinventoryand1percentcoresolidfissionproduct.inventory.Inadditiontothetemperature,pressure,humidity,andradiationenvironmentsdescribedintheabovecategories,theelectxicalequipmentwithinthecontainment-willbee~osedtoachemicalenvironment.ThepHofthecontainmentsprayismaintainedbe-tweenabout8.5and10.5duringbothinjectionand.recirculationby'headdition.ofsodiumhydroxide.Thischemicalsprayenviron-mentwillexistforonlyalimitedperiodfollowingwhichtheequipmentinquestionwillbegintodry.

2.2MainSteamLineBreakEnvironmentalConditionsTheworstcaseMSLBaccidentoccursat105%powerwitha5.355ftbreakarea.Thepostulated.accidentpressureandtemperaturetimehistorycurvesarepresentedinFigures6.2-14and6.2-12oftheFSARandareincludedinFigure2-3and2-4ofthissectionre-spectively.ThesameFiguresaregivenasAttachmentIItotheComponentEvaluationSheetsinSection4.0.Thecontainmentatmospherictemperatureonlyexceedsthatofcate-goriesI-AandI-B(seeTables2-1and2-2)fortheworstcasemainsteamlinebreak(MSLB)accident,forapproximately40seconds.Thistemperature(290oF)hasnotbeenusedasabasisfozenvironmentalqualification.ofelectricalequipment:duetothe.extremelyshorttimeofthe.transientasdiscussedin'heFSARatSubsection6.2.13.2..3Hih.EnezLineBreakOutsideContainment-EnvironmentalConditionsAlineisconsideredahighenergylineiftheservicetemperatureisgreaterthan200Forifthedesignpressureisgreaterthan275psig;pipingwhichispressurizedonly.duringtesting(eg,miniflowlines)isnotconsideredhighenergy.In,generala.high'nergyline,break(HELB)outsidecontainmentdoesnotresult'njeopardizingthecapabilitytomaintaintheplantina.safecondition,nordoesanHELBoutsidecontainmentseriouslyimpairthecapabilitytoreachsafeshutdown.Forexample,abreakinan.auxiliarysteamline,or'nasteamgeneratorblowdownline,isimmediatelyself-isolatingandplantoperation.isunhindered;thus"accidentmitigation"consistsoflineisolationonlyand"post-accidentmonitoring"islimitedtoensuringthatthelinere-main'sisolateduntil.repairsareeffected.Itshouldbenotedalsothatthesystemsanalysis"approachis,appropriatelyso,afunc-tionalreviewsuchthat..thequestionofwhetherthereshouldbeIEequipmentonnon-safetyclasslinesismoat;thereviewwascon-ductedtoensurethataaAM..orPAMfunctionexistsand=thattheequip-merztrequiredforthatfunctionis,qualifiedfortheappropriateenvironment.FSARAppendices3Cand3Dpresent,adiscussionofhighenergylinebreaks(HELB)outsidecontainment.ThefollowingHELB(and.correspondingdesignconditions)wereconsideredthereinand,werethebasisforthereviewinthisreportofHELBoutsidecontainment:a)Mainsteamlines(885psig,520F)b)Mainfeedwaterlines(1050psig,440F)c)ShutdownCoolingSystem(450psig,300F)d)Steamgeneratorblowdownlines(900psig;532oF)e)Auxiliarysteamlines(40psig,350oF)f)Chemical6VolumeControlSystem-letdown(2200psig,450F)andcharging(2300psig,120F)2-2 2.3(Continued}TheshutdowncoolingsystemisexemptedfromHELBbasedontheshortoperationalpex'iodcriterionofMEB3-1andinanycaseisenvelopedbyaCVCSHELBasdiscussedbelow.ZnadditiontotheaboveHELBsoutsidecontainment,theAuMliaryFeedwater(AFW)System(985psig,120oF)wasreviewedforadverseenvironmentaleffectsonAM/PAMequipment,duringtheplantopera-tionalmodesofstaxtupandshutdown..Asregards"accidentmitiga-tion"and"post-accidentmonitoring"inthesemodes,.again.effectiveisolationofthebrokenline.istheparamountconcern;followinganAFWbreakthe"plantwouldbeplacedintheshutdownmodeifinstart-up,orcontinuedtoshutdownutilizingtheredundantAFWpump(s)ifthebxcakoccurs:attheonsetofshutdowncooling.Thesixsystemsidentifiedabovewerereviewed.forapostulatedhigh-energylinebreakoutsidecontainment'.The.postulatedaccidentenvironmentwaslocatedonplantgeneralarrangementdrawingsandAM/PAMequipmentwasx'eviewedtodetermineitsinclusionontheMasterList(refexenceSubsections1.2and1.3).PerthediscussionsinFSARAppendices3Cand3D-theresultantaccidentenvironmentsaregivenbelow:a)mainsteamUncs(thesteamtrestleareabeingtheareaofconcern):up.to320oFforabout95.seconds(ie,MSZSoccursat485psig);14.7psia.sincethisisanoutdoorarea;.100%relativehumidity(RH)fromtheescapingsteam,onlyif'hebreakisorientedtowardAM/PAMequipment.b)mainfeedwatex':lines.(steamtrestlearea):since.thetemperatureisabout.80oFlowerthisHELBisenvelopedbytheenvironmenteloondtMoneofieem.(eg~eure;320oF/95seconds;:14.7'psia;100%RK.c)steamgeneratorblowdownlines(piping;penetration'reaofRABbeingthearea.ofconcern):thisHELB.is,envelopedbyaCVCS1'etdownlineHELBinthesameRABarea,item(e),.below,sincetheletdownlineisassumed.toreleasecool-antatabout600F;upto175F,lessthan1psig;upto100%RH.d)a~liary,steamlines(theonlysafety-relatedconcernistheline12-AS-1runningoutdoors12feetfromthecontrolroomnorthoutsideairintake):upto350F;14.7psiasinceanoutdoorarea;upto100%RHiftheHELBisdirectedtowardAM/PAMequipment.NotethattheCRambienttempera-turerisesonlyabout12Faboveambientconservativelyassuming750cfmintakeof500FsteampertheFSAR.2-3 2.3(Continued)e)CVCS-letdownUne(pipingpenetrationarea):upto175F;lessthan1psig(blowdownisterminatedinabout6seconds);upto100%RH.CVCS-chargingline(onlythatportionfromthepumpdis-chargeishighenergy):120F;14.7psia;upto100%RH.Notethatthechargingpumpsareofthereciprocatingtypethusnopressurebuildupispostulated.f}auxiliaryfeedwatersystem(lowersteamtrestleareabeingthearea,ofconcern).:upto120F;14.7psiasinceanout-doorarea;upto100%RHonlyifAFVbreakis,directedto-wardAM/PAMinstruments.NotethatlossofoneofthethreetrainsofAFWdoesnotimpairsafeshutdowncapabilityandthattheAFWSystemismanuallyoperatedandcloselymonitored.AsindicatedinSection1.0,theharshenvironmentresultingfromeachofthethreeclassesofbreaksgivenabove(LOCA,MS',HELE)waslocated.duringthereviewofsystems/equipmentrequiredtomiti-gatethatparticularaccidenttodeterminewhether;suchequipmentwasexposedtotheharshenvironment.Thexeviewassumedthatnosinglefailures:occurredandthat.offsitepowerwasavailableinordertomaximizethekindsandquantitiesofcomponentssub)ecttoxeviewforenvironmentalqualification.ResultsarepresentedinSections3.0(MastexList)and4.0(ComponentEvaluation-Sheets)ofthisreport.2-4 TABLE2-1ENVIROiiHENTALREQUIREMENTSSTLUCIEUNIT1LICENSINGCOiEI'BAHTSCateoI-A(Lon-term)Time0-2hr2-24hr1-31day31day-1yrTemperature('F)270240150130Pressuresi)4427HumidityV.)100100100100Radiation(R/hr)2x106lx1063x10310NOTES:(1)Integrated.AccidentDose(R):40yearsofNorma1Operation(R):TotalIntegratedDose(R)2.8x1073.5x102.8x107(2}ForHainSteamBreakQua1ificationseeSection2.22-5 TABLE2-2ENVIROKKNTALREQUI~TSSTLUCIEUNIT1LICENSINGCO~INITNENTSCateoI-A(Short-term)Time(Mn.)Temperature('zPressureHumidity~X)Radiation~(R15270441007.6x105NOTE:IntegratedAccidentDose(R):40yearsofNormalOperation(R):TotalIntegratedDose(R)7.6K1053.5x1051.1.x1062-6 SS202$20II'x8lS'10101102IOTTUIEISEC110IIOSRev.32-9/6/I4FLOR<UAPOwERaLIGnrCHARYST.LUCIEPLANTUNITICONtAINMENTP/ESSUREVS.Tla:EFOR9.$2FTSLOT8REAKFIGURF.4.2.1A~

200150100101102TIME(SEC110S10410SFLORIOAPOWER4LIGMTCOMPANTST.LUCIEPLANTUNITICOMTAINMEtlTATMOSPHEREANOSUMPWATERTEMPERATURESVS.TIMEfOR9.82P'12SLOTBREAKFIGURE4.2.1C CA0LJ~IA5CECOCAOoOKCLIC9CT.I-C310TtHE(SEC)1CRev.32-9/6/74FLORIDAPOWERELIQITCOSCPA5ITST.LUCIEPLAHTUHIT1COHTAINIIEHTPRESSUREVS.TIIIEFORASOS'OWER(149$VWTIl5XSREAKAREA{$.355FTTISTEAIILIHERREAKFIGURE6.2-l4 oMMf'hTHHEN'TITISPHEREno14IllAIIAJClIASo+NI-CZISJ0-oI-LIQUIDoo10TtHE(SEC)Rev.32-9/6/74FLORIDAPOWERLLIGHTCOSIPAHTST.LUCIEPLAHTUNIT1COHTAIHMEHTATMOSPHEREANOLIOUIO~TEMPERATURESVS.TISIEFORA105%,POWERI2494MARTISSXBREAKAREAIS.SSSFT21STEAMLIHERREAKFIGURE6.2-12 3.0iQsSTERLISTPerActionItem1oflEBulletin79-01Bequipmentandcomponentswereidentified,usingtheSystemsAnalysismethodologydescribedinSection1.0,asrequiredtomitigate(AM)ortomonitor(PAM)thecourseofanaccident.Basedontheharshenvironmentresult-ingfromeachaccident,asdescribedinSection2.0,equipmentre-'quiredforAM/PAMandexposedtotheharshenvironmentwasenteredontheMasterListofsystems/equipmentwhichisappendedhereto.TheMasterListfollowsthegeneralformatofEnclosure2ofIEBulletin79-01B.AM/PAMequipmentinsidecontainmentrequiredfor'DBA-LOCA,oraDBA~LBinsidecontainment,isincludedontheMasterList.InadditionAM/PAMequipmentinsidecontainmentrequiredforanHELBoutsidecontainmentisincludedontheMasterListandisreviewedontheComponentEvaluationSheets(Section4.0)againstthenormal40-yearcontainmentenvironment(eg,integratedradiationexposure;upto120F;upto100XRH).AM/PAMequipmentoutsidecontainment,requiredforanHELBoutsidecontainment,isenteredontheMasterListifsuchequipmentisalsoexposedtotheharshenvironmentoftheaccidentwhichitmitigatesand/ormonitors.AM/PAMequipmentoutsidecontainmentwhichseesanambientenvironmentisnotin-cludedon.theMasterListpertheguidancecontainedinIEBulletin79-01BandtheSupplementInformationthereto.ForthepurposesofthisreportandinaccordancewiththeStLucieUnit1FSAR,ambientenvironmentisdefinedasupto104F(120Finsidecontainment),atmosphericpressure,andrelativehumiditiesrangingupto100percent.1'uringthe.reviewandevaluationoftheMasterListtheEngineeredSafetyFeaturesActuationSystem(Table1-1)wasidentifiedwithinthecontextofspecificcomponentswithinthemajorsystemwhichwereactuatedbytheESFAS.ForexampleaReactorCoolantSystemsolenoid~alveactuatedbyaCISisincludedintheRCSlistandnotenumeratedseparatelyunderacontainmentisolation"system"sincesuchasystemdoesnotestperse.SimilarlytheIodineRemoval,System,componentsarelistedundertheContainmentSpraySystem.RefertothefirstpageoftheMasterListforidentifi-cationoftheSystemnumberingandthefunctiona3;components,ie,mechanical,instrumentation,ventilationorelectrical.Notethatcross-referencingtotheComponentEvaluationSheets(Section4.0)isprovidedbySystem/functioncoding.3-1

4.0COMPONENTEVALUATIONSHEETSPerActionItems2and3ofIEBulletin79-01Beachcomponentiden-tifiedinthe'MasterList(Section3.0)wasevaluatedforitsre-quiredenvironmentalqualification.TheComponentEvaluationSheets(CES)appendedheretofollowthesameformatandcontentasEnclosure3toIEBulletin79-01Bandassucheachsheetisself-explanatory.ZnordertofacilitatetheNRCreviewandtoeschewobfuscationoftheStLucieUnit1submittalsthusfar,however,theCESinforma-tioniselucidatedbelow.EnvironmentParametersa)OperatingTimetingeneralthecomponentoperatingtimerequirementsaregiven.intheFSARas"long-term"or"shortterm'";also.refertoSection2.1ofthisreport.PerFSARSections3.11,6.2and7.5,thelong-termgen-erallyreferstoaperiodoftimeup.tooneyearpost-accident,asthetimerequiredfor.post-accidentmonitoringinstrumentationtofunction.."Short-term"isdelineatedintheCES(andAttachmentItotheCES)as15minutes,withtheunderstandingthatamajorityofinstrumentsactuatedbyESFASarerequiredtofunctionforonlythefirstfewsecondsfollowinganaccidentandarethennotrelieduponfurther.Forelle,apressuretransmitterwillsend.ahigh-containment-pressure(5psig)signal.for'ISonor.bef'oreabout".Os8seconds(refertoPigure2-1~sura)andthencehaveserveditsfunction.Engineeringjudgementisusedinsomecasestoinferre-quiredoperatingtimeandthisissonotedontheCESbyafootnote.b)Temperature:givenastheultimatetemperaturepeakreachedinthespecifiedoperatingtimeorasafunctionoftimeperAttachmentsIandII.EngineeringjudgementisusedinsomeinstancestoinferresultantoperatingtemperatureandissonotedontheCES.AlsoseeSection2.2.c)Pressure:similartotemperature,is,givenasthepeakex-pectedorasAttachmentZ.orZItotheCES.Engineeringjudgementisnotedifused.d)RelativeHumidity:100percentisgenerallygiven.astheultimateexpectedeventhoughthisvaluemaynotbeattainedduringthecourseofsomeaccidents,notablyHELBin'anoutdoorareaseparatedmanyfeetfromAM/PANequipment.Notethatupto.100percentRHisdefinedasanambientconditionbecauseofthe'semi-tropicalenvironmentofStLucieUnit1.4-1 4.0(Continued)e)Chemicalspray:StLucieUnitl,utilizesasodiumhydrox-ideadditivetothecontainmentspraysystemasaniodineremovalagent;theIodineRemovalSystemisdiscussedinFSARSubsection6.2.6.ThepHofthecontainmentsprayatthespraynozzleismaintainedbetween10.0-10.5andtheequilibriumpHofthesumpisgreaterthanorequalto8.5.ThusarangeofchemistrypHof8.5-10.5isindicatedintheCES..A'angeofppmboronisalsoindi-catedwhichdepends.ontheamountofboricacidpresentintheRCSandinjectedfromtheRefuelingWaterStorageTank.f)Radiation:For.aDBA-LOCAtheradiationexposureisgivenbyAttachmentI,whichisbasedonaLOCAreleaseasdes-cribedinSection2.1above.AM/PAMequipmentinsidecon-tainmentisthusenveloped.bytheLOCAsourceterm.Forequipmentoutsidecontainmentthedose.ratemapscontainedinFSARSection12.1wereusedinconjunctionwithengineer-inganalysis/judgementtoinferequ)pmentradiationezposure.ZntheECCSareavaluesofupto10radswereusedperFSARSubsection6.3.3.3..NotethatFP&Lwilladdressthesubjectofpost-LOCAradiation.effectsupon.submittalofthePhaseZIreporttwomonthshence.g}Aging:FP&Lwilladdressagingbasesand.criteria.atthePhaseIIreportsubmittal.Although"aging"wasnotarequirementfor'lass1Eelectricalequipment.duringtheoperating;licensereviewperiodforStLucieUnit1,thisparameterisidentifiedasan"openitem"intheCESforthemajorityoftheequipmentreviewed.h}Submergence:Per1EBulletin79-01BandtheSupplementInformation,thereto,submergenceisacriterionforAM/PAMequipmentinsidecontainmentonly.Environment'ecificationisgivenastheFSARrequirement'orallparameters;ifinferredfromFSARdata(eg,operatingtime.require-ments)thisfactissonotedontheCES.EnvironmentuglificationistestreportdataasindicatedintheDocumentationReferencecolumn;ifengineeringjudgement/analysisastoFSARequivalencyisinprocessthisfactisnotedontheCES.WhereenvironmentalqualificationspecificswerenotavailablealettertothevendorhasbeenissuedandnotedontheCES.FP&Lisattemptingtoobtainresponsestotheseletterswithinthenext60days.InformationderivedfromtheElectricPowerResearchInstitute(EPRZ)compendiumofqualificationdatafrom27powerplantsissoidentified.4-2

~~l~4.0(Continued)Documentation.Reference-SpecificationisthePSARSectionorSub-sectionwhereintheenvironmentalparametersaresetforth.IfsuchparametersareinferredbyengineeringjudgementthisisnotedontheCES.DocumentationReference-uglificationdelineatesthetestresultparameters;ifengineeringjudgementwasusedthisissonoted,andifanalysesasto-equivalencyareongoingthisfactappearsasafootnoteontheCES.InformationderivedfromtheEPRIdataisidentifiedassuchand.effortsarepresentlyunderwaytoobtaintheactualtestreport(s).ualificationMethodisindicatedasthevendor'ssimultaneousorsequentialtestand/orengineeringanalysis;ifongoingengineeringanalysesarebeingperformedbyFP&Lorourarchitect-engineerorNSSSvendorthisissonotedontheCES.OutstandinItemsareindicatedinthiscolumnwhereadditionalin-formation(eg,vendor.testreports,EPRI-listedtestreports)ispresentlybeingpursued,whereengineeringanalysesareunderway,whereadditionalinformationisbeingdevelopedand/orwhereapara-meterwillbeaddressed.duringthePhaseIIreport.NotethatFP&Lwilladdressallopenitemsidentified.assuchinthisreport,.inthePhaseIIreporttobesubmittedwithintwomonth.DuringthisintervaLadditionalclarification.onitemssuchasopera-tingtime,radiationenvironmentetcwillbedeveloped.and.presentedinthePhaseIIreport,andthestatusofexpeditingvendorrepliestotheCESopenitemswillbegiven.A"none"intheOutstandinItemscolumnindicatesthat:either1').thequalificationtestdatameettheenvironmentalparameterrequiredbytheStLucieUnit1PSARor2)the=parameterisnotconstruedasa"harsh"environment;or3)theparameterisnotapplicable.Thusa,"none"indicatesnofurtheractionisrequired.4-3 c~I4J11