ML18041A029

Forwards Emergency Action Level Verification & Validation Rept.

ML18041A029
Person / Time
Site:	Nine Mile Point, Indian Point, Ginna, FitzPatrick
Issue date:	07/06/1994
From:	BRAM S B CONSOLIDATED EDISON CO. OF NEW YORK, INC.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17059A362	List: ML17059A361 ML18041A029
References
NUDOCS 9407210039
Download: ML18041A029 (853)

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PR.ICIER.IEY'CCELERATEDRIDSPROCESSING)0~,.REGULATORYINFORMATIONDISTRIBUTIONSYSTEM(RXDS)ACCESSIONNBR:9407210039DOC.DATE:94/07/06NOTARIZED:NODOCKETFACIL:50-220NineMilePointNuclearStation,Unit1,NiagaraPowe0500022050-244RobertEmmetGinnaNuclearPlant,Unit1,RochesterG0500024450-247IndianPointStation,Unit2,ConsolidatedEdisonCo.0500024750-286IndianPointStation,Unit3,PowerAuthorityofStat0500028650-333JamesA.FitzPatrickNuclearPowerPlant,PowerAutho0500033350-410NineMilePointNuclearStation,Unit2,NiagaraMoha05000410AUTH.NAMEAUTHORAFFILIATIONBRAM,S.B.ConsolidatedEdisonCo.ofNewYork,Inc.RECIP.NAMERECIPIENTAFFILIATXONDocumentControlBranch(DocumentControDesk)

SUBJECT:

Forwards"EmergencyActionLevelVerification6ValidationRept."DISTRIBUTIONCODE:A045DCOPIESRECEIVED:LTRENCLSIZE:946~TITLE:ORSubmittal:EmergencyPreparednessPlans,Impement'gProcedures,CNOTES:LicenseExpdateinaccordancewith10CFR2,2.109(9/19/72).05000244RECIPIENTIDCODE/NAMEPDl-1PDBRINKMAN,D.WILLIAMS,FMENNING,JINTERNAL:NR~R--DRSSJPEPB01EXTERNAL:NRCPDRCOPIESLTTRENCL11111111111111RECIPIENTIDCODE/NAMEPD1-3PDJOHNSON,ACONXCELLA,N.BRINKMAN,DNUDOCS-ABSTRACTNSICCOPXESLTTRENCL111111111111NOTETOALL"RIDS"RECIPIENTS:PLEASEHELPUSTOREDUCEWASTE!CONTACTTHEDOCUMENTCONTROLDESK,ROOMPI-37(I:.XT.504-2083)TOELIMINATEYOURNAMEFROMDISTRIBUTIONLISTSI'ORDOCUMENTSYOUDON"-I'EED!TOTALNUMBEROFCOPIESREQUIRED:LTTR13ENCL13

'4P StephenB.Bram~VicePresident.ConsolidatedEdisonCompanyofNewYork,Inc.IndianPointStationBroadway8BleakleyAvenueBuchanan,NY10511Telephone(914)734-5340July6,1994Re:IndianPointUnitNo.2DocketNo.50-247DocumentControlDeskUSNuclearRegulatoryCommissionMailStationPl-137Washington,DC20555

SUBJECT:

NUMARC/NESP-007BasedEmergencyActionLevelsTransmittedherewithareupgradedEmergencyActionLevels(EALs)forIndianPointUnitNo.2.ConsolidatedEdisonCompanyofNewYork,Inc.,(ConEd)andthe,otherNewYorkStateutilitieshavedevelopedEALswhicharebasedontheguidanceprovidedinNUMARCNESP-007,"MethodologyforDevelopmentofEmergencyActionLevels"andaresimilarforeachsite.Inaccordancewith10CFR50,AppendixESectionIV.B,theseEALsareherebysubmittedforNRCreviewandapproval.ThissubmittalconsistsoftheenclosedEALGenerationPackagewhichincludesthePlantSpecificEALGuideline,theFissionProductBarrierEvaluation,theEALBinningDocument,theEALTechnicalBasesDocument,andtheactualproposedEALsintabularformat.TheassociatedVerificationandValidationReportisalsoincludedtoassistyourreview.Shouldyouhaveanyquestionsregardingthismatter,pleasecontactMr.CharlesW.Jackson,Manager,NuclearSafetyandLicensing.Verytrulyyours,Enclosure9407210039940706PDRADOCK05000220FPDR

Mr.ThomasT.MartinRegionalAdministrator-RegionIUSNuclearRegulatoryCommission475AllendaleRoadKingofPrussia,PA19406Mr.FrancisJ.Williams,Jr.,ProjectManagerProjectDirectorateI-1DivisionofReactorProjectsI/IIUSNuclearRegulatoryCommissionMailStop14B-2Washington,DC20555SeniorResidentInspectorUSNuclearRegulatoryCommissionPOBox38Buchanan,NY10511 OSSI93.402A-10-IP2g4r>I~I'88I'0eC+<>qhhkxy44%+i.ConsolidatedEdisonCompanyIndianPointStationUnit2EALGenerationPackageQSSXOperatlbnsSUItQOrtSdWIO05,Inc.233WaterStreet2ndFloorPlymouth,MA02360

TableofContentsNYSEALUpgradeProjectEALGenerationPackageBook1SectionlIntroductionSection2Section3Section4Section5Section6PlantSpecificEmergencyActionLevelGuideline(PEG)FissionProductBarrierEvaluationEmergencyActionLevelBinningDocumentEmergencyActionLevelsTechnicalBasesDocumentEmergencyActionLevelsBook2Section7VerificationandValidationReport

UaWhentheNRCacceptedNUMARC/NESP-007,entitled"MethodologyforDevelopmentofEmergencyActionLevels,"asanacceptablealternativetotheNUREG0654EALguidance,thefournuclearutilitiesinNewYorkStatedecidedtojointlyimplementthenewmethodology.Thisupgradeprojectinvolvedthefollowingplants:ooo0NineMilePointUnit1(NMPC)NineMilePointUnit2(NMPC)JamesA.FitzpatrickNuclearPowerPlant(NYPA)IndianPointUnit2(ConEd)IndianPointUnit3(NYPA)R.E.GinnaNuclearPowerStation(RGEE)AlthoughtheupgradedEALsaresitespecific,oneoftheupgradeproject'sobjectiveswastoenhancemaximumconformityandconsistencybetweenthesites.ThefollowingsitespecificEALdevelopmentaldocumentssupportingtheEALreviewprocessareenclosed:0IndianPointUnit2Plant-SpecificEALGuideline(PEG)(Section2)ThePEGistheIndianPointUnit2interpretationoftheNUMARCmethodologyfordevelopingEALs.ThePEGdistinguishesfromtheNUMARCmethodologybystrikingout,wordsandphrasesthatdonotapplytoIndianPointUnit2.Additionsareidentifiedbyunderliningnewwordsandphrases.ThesourceofdocumentsforPEGchangesfromtheNUMARCmethodologyarelistedinthereferencessectionofthePEG'IndianPointUnit2FissionProductBarrierEvaluation(FPBE)(Section3)NESP-007prescribesexampleEALsforeachofthethreefissionproductbarriers.AnEALisdefinedbyoneormoreplantconditions.EachEALmayconsistofoneormoreconditionsrepresentingeitheralossofbarrierorapotentiallossofthebarrier.SomeEALsmayhaveonlylossconditions,othersonlypotentiallossconditions,andsomemayhavebothlossandpotentiallossconditions.BasedonthenumberofexampleEALsandthenumberoflossandpotentiallossconditions,thesetofconditionsthatcanyieldagivenemergencyclassificationcanbedetermined.Anevaluationofeachconditionorsetofconditionswasmadetodetermineifitproperlydefinestheappropriatethresholdoftheclassification.Ifaconditionorsetofconditionswasappropriate,acommentreflectingthisconclusionwasrecordedinthisdocument.Ifaconditionorsetofconditionswasdeterminedtobeinappropriate,itwaslinedout,andthereasonforthisconclusionwassimilarlyrecorded.TheresultofthisevaluationisadiscretesetofquantifiableEALsrepresentingtheNUMARCfissionproductbarrierlossmatrices.

IndianPointUnit2EALBinningDocument(Section4)BecausetheformatpresentedinNUMARC/NESP-007isinadequateforimplementation,theEALsdefinedbythePEGandFPBEmustbebinnedintocategoriesandsubcategorieswhichsupporteaseofuse.Thebinningdocumentidentifieswhere,withinthepresentationscheme,eachPEG/FPBEinitiatingconditionisaddressed.IndianPointUnit2EALTechnicalBasesDocument(Section5)TheEALTechnicalBasesDocumentprovidesanexplanationandrationaleforeachoftheEALsincludedintheEALUpgradeProgram.ItisalsointendedtofacilitatethereviewprocessoftheIndianPointUnit2EALsandprovidehistoricaldocumentationforfuturereference.ThisdocumentisalsointendedtobeusedasatechnicalreferenceandaidinEALinterpretationbythoseindividualsresponsibleforimplementationoftheeventclassificationprocedure.IndianPointUnit2Verification6ValidationReport(Section6)TheIndianPointUnit2Verification0ValidationReportdocumentstheprocessconductedtoverifyandtovalidatetheIndianPointUnit2EALsandsupportingdocumentation.Thisdocumentalsoincludedthecommentsreceivedduringvalidationalongwithcommentresolutions.TheverificationprocesswasperformedtoensurethattheIndianPointUnit2EALsandclassificationproceduresaretechnicallycorrect.TheIndianPointUnit2EALverificationwasconductedpriortotheEALvalidationexercises.ThetechnicalaccuracyoftheupgradedEALswasverifiedthroughtabletopreviewswhichaddressedthefollowingEALattributes:HumanengineeringfactorsoftheEALWriter'sGuideFormat,appearanceandterminologyconsistent,totheextentpossible,amongBWRandPWRplantsinvolvedintheEALUpgradeProjectEALstructureClearandwelldefinedEALterminologyTechnicalcompletenessandappropriatenessforeachclassificationlevelPotentialforclassificationupgradeonlywhenthereisanincreasedthreattopublichealthandsafetyLogicalprogressioninclassificationforcombinationsofmultipleevents

ThevalidationprocessensuresthattheIndianPointUnit2EALsandclassificationproceduresareusableandcorrect.ItalsoensuresthatemergencyresponsepersonnelareabletoconsistentlyinterpretEALsundersimilarconditions.TheEALswerevalidatedthroughobservationof.emergencyresponseorganizationpersonnelrespondingtosimulatedemergencyevents.ThegroupofEALsselectedforvalidationwassufficientlyrepresentativeofalltheEALs.Thefollowingattributesweretested:UserfriendlinessEaseofplace-findingEaseofplace-keepingEaseofupgradinganddeclassifyingPotentialforclassificationupgradeonlywhenthereisasignificantincreaseinthepotentialforathreattopublichealthandsafetyTechnicalcompletenessandappropriatenessforeachclassificationlevelLogicalprogressioninclassificationforcombinationsofmultipleevents

EQLUogolf'8(oISpit'Qo]SCPlantSpecificEALGuideline(PEG)IndianPointUnit2OperationsSupportServices,Inc.233WaterStreet2nd.FloorPlymouth,MA02360

PlantSpecificEAL(IIdeline(A,H,S)IndianPointUnit2IC¹:AU1Op.ModeAppllcabllltyAU1.1AnyunplannedreleaseofgaseousorIlquldradloactlvltytotheenvironmentthatexceedstwotimestheradlologlcalTechnicalSpecificationsfor60minutesorlonger.Q1(PwrOps)Q2(HSB)Q3(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)~AllAU1.2Avalidreadingononeormoreofthefollowingmonitorsthatexceedsthe"valueshown"'2JalhiftrmlrtimtibaMagititzfaafHahaaaartffEzrtrtatrrafhhMahmBZHzd&Y5fafhmbhoihzELKHani~Gaa~hhaihxER.EashDhmalBctuatxhhoihz~599!mimmMYitxbhaihzNote:Ifthemonitorreadings'rasustainedforhngerthan60minutesandtherequiredassessmentscannotbecompletedwithinthisperiod,thenthedeclarationmustbemadebasedonthevalidreading.Confirmedsampleanalysesforgaseousorliquidreleasesindicatesconcentrationsorreleaserateswithareleasedurationof60minutesorlongerinexcessoftwo.'ahamas.IrmtimaalKEB29.hamdixQ.IahhJLQ~titfma2.rtr~uQilmlhrrfiaartluufrtrarttraiitarfrtghhrtaaaaGaattuuaBahama@3KQmrmuhzrdzhhzfy.artffKKmr~raitirrrfrtaafutm~igaaaaXEmrm5rarorzmnfuunBZ.823.tritiumaorfaartiadataamiih8rfmhalfliraalhmrhaittrtrtbhgaaaainrtaaftrttfartffhaith;1Rttrmratigammal2QLatrmratfhata2QamkhrtammaL&mradhzhftiaIhtaaararhtftrmirrftrfmmfttbrttfainZl&Z

PlantSpecificEALMeline(A,H,S)IndianPointUnit2BasesThetermUnplanned;asusedinthiscontext,includesanyreleaseforwhicharadioactivedischargepermitwasnotprepared,orareleasethatexceedstheconditions(e.g.,minimumdilutionflow,maximumdischargefhw,alarmsetpoints,etc.)ontheapplicablepermit.Validmeansthataradiationmonitorreadinghasbeenconfirmedbytheoperatorstobecorrect.Unplannedreleasesinexcessoftwotimesthesitetechnicalspecificationsthatcontinuefor60minutesorhngerrepresentanuncontrolledsituationandhence,apotentialdegradationinthelevelofsafety.Thefinalintegrateddose(whichisveryhwintheUnusualEventemergencydass)isnottheprimaryconcernhere;itisthedegradationinplantcontrolimpliedbythefactthatthereleasewasnotisolatedwithin60minutes.Therefore,itisnotintendedthatthereleasebeaveragedover60minutes.Forexample,areleaseof4timesTISfor30minutesdoesnotexceedthisinitiatingcondition.Further,theEmergencyDirectorshouldnotwaituntil60minuteshaselapsed,butshoulddeclaretheeventassoonasitisdeterminedthatthereleasedurationhasorwillIRelyexceed60minutes.lMonitorindicationsartschouf4kocalculatedonthebasisofthemethodohgyofJLUEZ.Qgiftrmjngfjgngf~~gnjitafnrtfQftfft~natffgloat~todemonstratecompliancewith10CFR20andloc10CFR50AppendixIrequirements.Annualaveragemeteorohgy4uwddho~usedwhoca4lowed.Ihaalaanadultjf&fgrQmIhhdmnni1garammnamaihfftjtrMinIftghnigal5mtgifjm1hnmtfhmgihtiixmlmmlimihnmngimgftft&tf.Itm~~fgr~mgni1grhumfiatiht,~mdugjai.IhamlmmignfttfinEELhU12zahaauinnhttn1immJhowIttthahalGattrifhaiinnmlmghutnjn;EziljiyQuftraijnaliaamHa.DEKEhauttndix.Ixhnjnnl5mifjnn~&zijnnR2JE2dmiaudumngiuiilimtfftmftiftiftffnftrjtaftiftratntljigrlP2rfmigndumaaiuiTiimmizmtihrftaLtima~ammaftni.

IC¹:AU2PlantSpecificEALdeline(A,H,S)indianPointUnit2UnexpectedIncreaseInplantradlatlonorairborneconcentration.Op.ModeApplicabilityQ1(pwrops)Q2(HSB)Q3(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)RAIIAU2.1AU2.2AU2.4Valid~~lalatttf.directarearadiationmonitorreadingsp~~dhIIM

PlantSpecificEALbeeline(A,H,S)IndianPointUnit2BaSeSValidmeansthataradiationmonitorreadinghasbeenconfirmedbytheoperatorstobecorrect.Alloftheaboveeventstendtohavehngleadtimesrelativetopotentialforradiologicalreleaseoutsidethesiteboundary,thusimpacttopublichealthandsafetyisverylow.InlightofReactorCavitySealfailure,incidentsattwodifferentPWRsandlossofwaterintheSpentFuelPit/FuelTransferCanalataBWRalloccurringsince1984,explicitcoverageofthesetypesofeventsviaEALs¹1and¹2isappropriategiventheirpotentialforincreaseddosestoplantstaff.ClassificationasanUnusualEventiswarrantedasaprecursortoamoreseriousevent.aimi~muiglfimatftbrZahza~uuuh~allirrariiQIMilrrtiasmnhlhaDtmaiQiQrraurrtrftrthxmahCIrrftrfrrhhtftrtaaithrIQrtmmx.hh22iftrrtlirmrhahratirtnrtfQQhhriiftttrrftrrtihmmarrQQrtmftd.EAL40~appliestoplantswithlicenseddrystorageofolderirradiatedspentfueltoaddressdegradationofthisspentfuel.EALL~addressesunplannedincreasesininhalantradiationlevelsthatrepresentadegradationinthecontrolofradioactivematerial,andrepresentapotentialdegradationinthelevelofsafetyoftheplant.JQfjgatirtQgfQrhrrQriigtigQ~jzrftQ~gQ2:~~Qz~~gjQtrtrQii~Qifrh~ttrtrm~zf+tiff~thrall~~QrgifrafgfilgidggfjQigIQQzQgrQlritiQikref~gimQLifQrith~~~tggiQEKRQQQliQQIJKMQQfrriKKfkQYKQgiQhg~~f!GERtittyRfRHB~giQt5KQifKQikillQrQYM92Klrtrrtl!YIIJIIQttiiiftlrttg@ThisEALescalatestoanAlertperICAA3,iftheincreasesimpairtheifQrftigfsafeoperation.QalygrgigQgftri393bdifIQgr~QifrSZulgjriftrQrijQihhE8.0BYWAYIrQQIIQI~KBftigRQKrtrt@>~rlrhrrtierQIIQIrtQtarx@QaditftmugmrxmrhttirtQlmhtbathtriftfhrmmmd22fimmtttrtahrmadartiQL

/IA IC¹:AA1Op.ModeAppllcabllltyAA1.1PlantSpecificEALrOdeline(A,H,S)IndianPointUnit2Anyunplannedreleaseofgaseousorllquldradloactlvltytotheenvironmentthatexceeds200timesradlologlcalTechnicalSpeclflcatlonsfor15minutesorlonger.Q1(PwrOps)Q2(HSB)Q3(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)~AllAA1.2BZHaat~YkhEhxeJdzhzELKEhoi~Qaahfmy!hhnitzER.EashDhauaalhatYidxhhaihz~RahnhmhctiYhxbhaihz2ahs2xaxE5Xla9z5XluGpa2KiuBz22BuEzNote:Ifthemonitorreadings'sustainedforhngerthan15minutesandtherequiredassessmentscannotbecompletedwithinthisperiod,thenthedeclarationmustbemadebasedonthevalidreading.Avalidreadingononeormoreofthefollowingmonitorsthatexceedsthe"valueshown"IBla!Confirmedsampleanalysesforgaseousorliquidreleasesindicatesconcentrationsorreleaseratestttitba~~~paftf~mitttt~gr,Igmtt:inexcessof~LhuilHftlhimz2Kum1KEB29.haufttz8xLIabhJLQglttttm2~E2uGilmlbrdimbfftfiat:mtmittftftnahhaamGaaaumEhhmm;1Kaunt@MihahhuChandKQaunhx~damfatmnlthhaaapZQam5xzxzunfatmL121.L122.tfitittmzdutttiathimnilh~RdaxhuEIhuuAA1.3AA1.4reater-than-

PlantSpecificEAL(deline(A,H,S)IndianPointUnit2BasesValidmeansthataradiationmonitorreadinghasbeenconfirmedbytheoperatorstobecorrect.ThiseventescalatesfromtheUnusualEventbyescalatingthemagnitudeofthereleasebyafactorof100.Proratingthe500mR/yrcriterionforbothtime(6766hr/yrandthe200multiplier,theassociatedsiteboundarydoseratewouldbe10mR/hr.Therequiredreleasedurationwasreducedto15minutesinrecognitionoftheincreasedseverity.Monitorindicationsshoufd4enilcalculatedonthebasisofthemethodohgyofaveragemeteorohgychouktkomusedwheca4lowecLIL32QLJ29i9rminaiianQfIhttmagrliilldRufBttIQQRRmfEHEmlre~AnnualIhanlarmaaiauinhhrIhalhbdmunihzaamaummihrttlxmiinmmmIaahnlmlkmaifiaalhnLadi~iiYiiv.mbmalimihnrttnttimatt~hd.E2tfmigndmnttiuiiTizanttigmaihamLIimftdmamzF1.3.5mhmDmaiuiignHe.MBfttr.Q.BK!BXIQHbEHIIQB!HQhHI22.2199Z.lhittrmhaIIgnttfIhahhmiiuhafBttlmfrnntfEmma2

IC>>:AA2Op.ModeApplicabilityAA2.1PlantSpecificEAL(deline(A,H,S)indianPointUnit2MajordamagetoIrradiatedfuelorlossofwaterlevelthathasorwillresultIntheuncoveringofIrradiatedfueloutsidethereactorvessel~Q1(PwrOps)Q2(HSB)Q3(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)~AllAA2.2QgnlifmfttlmlninttflalarmononeormoreofthefollowingradiationmonitorsD5ltiilngIEQlfllQlilnmngftQKREItntKlllQfRQQtiiftflhealhZlglnQQfnHM:EZK.~QantainmftnthmaHzilmEH.Ettftl2zagftihildiaahrmhhnihzEL222L~QnntainmttnIBighB@lintinnhraahhuuhzr.AA2.3AA2.4@later-laveWess4ha+sithe-spent-fuel!-and4uel-transfer-

PlantSpecificEALCeline(A,H,S)IndianPointUnit2BasesThisICappliestospentfuelrequiringwatercoverageandisnotintendedtoaddressspentfuelwhichislicensedfordrystorage,whichisdiscussedinNUMARCICAU2,"UnexpectedIncreaseinPlantRadiationorAirborneConcentration."NUREG4818,"EmergencyActionLevelsforLightWaterReactors,"formsthebasisfortheseEALs.~+lrftEALsarfLrlftfjagfbythespecificareawhereirradiatedfueliskcatedsuchasreactorcavity,reactorvessel,orspentfuelpool.haauzrtalrgjhfituftihzifjjjaaituzm'hdtfjaftrfaamxfarftaigraafiYiixrthiftrihihrramftmftairtlirmrjiaiftrltuftlmhhhrftmflhiauafttfaftuiedrtruruzairrthflamBhasIbhiftrrrIIartjumhuhtftamkhallymhfmfiamxjurjfrmihiaaiftfljat;rftamjaarftamdia&tajfarfthmarftmfjtufzfhmmufurfaftrfia~mrfj.tagft~murmftriarggftdurmfjurjagiftjuftjjaguaftraijrta~Thereistimeavailabletotakecorrectiveactions,andthereislittlepotentialforsubstantialfueldamage.Inaddition,NUREG/CR-4982,SevereAccidentinSpentFuelPoolsinSupportofGenericSafetyIssue82,"July1987,indicatesthatevenifcorrectiveactionsarenottaken,nopromptfatalitiesarepredicted,andthatriskofinjuryislow.Inaddition,NRCInformationNoticeNo.9048,"KR-85HazardsfromDecayedFuelpresentsthefollowingititsdiscussion:Intheeventofaseriousaccidentinvolvingdecayedspentfuel,protectiveactionswouldbeneededforpersonnelonsite,whileoffsitedoses(assuminganexclusionarearadiusofonemilefromtheplantsite)wouldbewellbehwtheEnvironmentalProtectionAgency'sProtectiveActionGuides.Accordingly,itisimportanttobeabletoproperlysurveyandmonitorforKr-85intheeventofanaccidentwithdecayedspentfuel.~h~jafjggijrtalb'jfarftjjaibid~juftlgartlurrftjuftjjagrdadilr~rjigaaftftiai'farftjrtf~tuttirtijlftrisa+~~tftargfjrta,~~~~~u~gLiiaufhftlmmmm.EBLhh22hutlaftumm.SrmihmhaajfarftljafjjualjaamhmjaihahftlimmlftrmnuL~uhamalhartfRmitfrmhrlfarftjmuhialm&rftrtuii:rj.~A~hThus,anAlertClassificationforthiseventisappropriate.Escalation,ifappropriate,wouldoccurviaAbnormalRadIeveVRadiologicalEffluentorEmergencyDirectorjudgement.Ehiftrftam; l

IC¹:AA3Op.ModeAppllcabllltyAA3.1PlantSpecificEAL(deline(A,H,S)IndianPointUnit2ReleaseofradioactivematerialorIncreasesInradlatlonlevelswlthlnthefacllltythatImpedesoperationofsystemsrequiredtomalntalnsafeoperationsortoestablishormalntalncoldshutdown.01(PwrOps)Q2(HSB)Q3(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)~AllAA3.2VaM~ggjtttt~mradiationmonitorreadinggreaterthan15mR/hrinbursae-requiring-radiationmonitorreadingsgreaterthan/cite-specific)9~~inareasrequiringinfrequentaccesstomaintainplantsafetyfunctions.MGI

PlantSpecificEAL(deline(A,H,S)IndianPointUnit2BasesValidmeansthataradiationmonitorreadinghasbeenconfirmedbytheoperatorstobecorrect.~gfgjz~@I~thtfiIIK~aft02dQEIIIIIQkhanEhLiksKHdKEQ~RQKQQ19CKE'y.daalarufiaaduftQmumatuw.mfhmamfy.mdiahaalmhihathrhflxREhr.ThisICaddressesincreasedradiationlevelsthatimpedenecessaryaccesstooperatingstations,orotherareascontainingequipmentthatmustbeoperatedmanually,inordertomaintainsafeoperationorperformasafeshutdown.Itisthisimpairedabilitytooperatetheplantthatresultsintheactualorpotentialsubstantialdegradationofthelevelofsafetyoftheplant.Thecauseand/ormagnitudeoftheincreaseinradiationlevelsisnotaconcernofthisIC.TheEmergencyDirectormustconsiderthesourceorcauseoftheincreasedradiationlevelsanddetermineifanyotherICmaybeinvolved.Forexample,adoserateof15mR/hrinthecontrolroommaybeaprobleminitself.However,theincreasemayalsobeindicativeofhighdoseratesinthecontainmentduetoaLOCA.Inthislattercase,anSAEorGEmaybeindicatedbythefissionproductbarriermatrixICs.""*"."<<'0""i""i'IU.appropriateiftheincreaseimpairsoperationsattheoperatingunit.ThisICisnotmeanttoapplytoincreasesinthecontainmentdomeradiationmonitorsastheseareeventswhichareaddressedinthefissionproductbarriermatrixICs.Norisitintendedtoapplytoanticipatedtemporaryincreasesduetoplannedevents(e.g.,incoredetectormovement,radwastecontainermovement,depleteresintransfers,etc.)ayreferto44+4ta'sIP-2'sAbnormalOperatingInstructions,emergencyoperatingprocedures,the10CFR50AppendixRanalysis,identifyingareascontainingsafeshutdownequipment.Areasrequiringcontinuousoccupancyg~includethecontrolroomanroomamCentralAlarmStation~~~gndZyEgZm5fgfjgg~Thevalueof15mR/hrisderivedfromtheGDC19valueof5remin30dayswithadjustmentforexpectedoccupancytimes.AlthoughSectionIII.D.3ofNUREG-0737,ClarificationofTMIActionPlanRequirements,providesthatthe15mR/hrvaluecanbeaveragedoverthe30days,thevalueisusedherewithoutaveraging,asa30daydurationimpliesaneventpotentiallymoresignificantthananAlert.asedongbZZGZIradiationlevelswhichresultinexposurecontrolmeasuresintendedtomaintaindoseswithinnormaloccupationalexposureguidelinesandlimits(i.e.,10CFR20),andindoingso,willimpedenecessaryaccess.10

IC>>:AS1Op.ModeAppllcabllltyAS1.1PlantSpecificEAL(deline(A,H,S)IndianPointUnit2Boundarydoseresultingfromanactualorimminentreleaseofgaseousradloactlvltyexceeds100mRWholeBodyor500mRChildThyroidfortheactualorprojecteddurationoftherelease.Q1(PwrOps)Q2(HSB)Q3(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)~AllAS1.2AvalidreadingononeormoreofthefollowingmonitorsthatindicatestheneedtoassessthereleasewithZ.JhlftrminalhartflhfrhhgaitttdaaffhlhtmmdfzartmmBah"hmgfihmggtfilfhattmtffinauuurtdirtamfhimlrugfhminJL3HZxdfhaaartamriafftXuLQiamamdmautl!m~hrttta!M.Note:lfthemonitorreading(s)issustainedforlongerthan15minutesandtherequiredassessmentscannotbecompletedwithinthisperiod,thenthedeclarationmustbemadebasedonthevalidreading.AS1.3AS1.4Validdoseassessmentcapabilityindicatesdoseconsequencesgreaterthan100mR~Fieldsurveyresultsindicatesiteboundarydoseratesexceeding100mR/hr~who!cbodyor500mRchikf~thyroid.expectedtocontinueformorethanonehour;oranalysesoffieldsurveysamplesindicatechild~thyroiddosecommitmentof500mRforonehourofinhalation.11

PlantSpecificEALeline(A,H,S)IndianPointUnit2BasesValidmeansthataradiationmonitorreadinghasbeenconfirmedbytheoperatorstobecorrect.The100mRIEQpintegrateddoseinthisinitiatingconditionisbasedontheproposed10CFR20annualaveragepopulationexposure.Thisvaluealsoprovidesadesirablegradient(oneorderofmagnitude)betweentheAlert,SiteAreaEmergency,andGeneralEmergencydasses.ItisdeemedthatexposureslessthanthislimitarenotconsistentwiththeSiteAreaEmergencyclassdescription.The500mRintegratedchi144hyroidQQE~dosewasestablishedinconsiderationofthe15ratiooftheEPAProtectiveActionGuidelinesforICEwhoto-bodyand~thyroid.basedTheFSARsourcetermsapplicabletoeachmonitoredpathwayshouldbeusedinconjunctionwithannualaveragemeteorologyindeterminingindicationsforthemonitorsonthatpathway.f.BXatftmDmaiafignHa.12.Bfttt.3.BadialhnbfgnitariaaGXafam.EK2.JLi99LBfu.5.MI~jgngffhahhgnjlzhgfBftfft~~EzummBatft"Cfftf;fitft22~r2.2mh5am.~k2KLeEazfuunD.Snhh@B.Bum12

PlantSpecificEALdeline(A,H,S)IndianPointUnit2ICff:AG1Op.ModeAppllcabllltyAG1.1Boundarydoseresultingfromanactualorimminentreleaseofgaseousradioactivityexceeds1000mRWholeBodyor5000mRChildThyroidfortheactualorproJecteddurationofthereleaseusingactualmeteorology.Q1(PwrOps)Q2(HSB)Q3(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)QAIIAG1.2AvalidreadingononeormoreofthefollowingmonitorsthatFEZ.JhfttrmiflalignuffhabhaoitutfttafEhlmltanCEmmumBah"hmuffhttmtguuitfhaumttfiaazitm~fignttdlhimltu~iaJLK9ZmdfhtmurgariafttXuLQtuamudmaatfhamftthzuuhu.Note:Ifthemonitorreading(s)issustainedforlongerthan15minutesandtherequiredassessmentscannotbecompletedwithinthisperiod,thenthedeclarationmustbemadebasedonthevalidreading.AG1.3AG1.4Validdoseassessmentcapabilityindicatesdoseconsequencesgreaterthan1000mR~Fieldsurveyresultsindicatesiteboundarydoseratesexceeding1000mR/hr~whole-bodyor5000mR@}E4Ndthyroid.expectedtocontinueformorethanonehour;oranalysesoffieldsurveysamplesindicatechild~thyroiddosecommitmentof5000mRforonehourofinhalation.13

PlantSpecificEALdeline(A,H,S)indianPointUnit2BasesValidmeansthataradiationmonitorreadinghasbeenconfirmedbytheoperatorstobecorrect.The1000mR3EQQMoh4odyandthe5000mRQQfcdthyroidintegrateddosearebasedontheEPAprotectiveactionguidancewhichindicatesthatpublicprotectiveactionsareindicatedifthedoseexceeds1rem~wtNo4odyor5remQQE~thyroid.ThisisconsistentwiththeemergencyclassdescriptionforaGeneralEmergency.ThislevelconstitutestheupperlevelofthedesirablegradientfortheSiteAreaEmergency.Actualmeteorologyisspecificallyidentifiedintheinitiatingconditionsinceitgivesthemostaccuratedoseassessment.Actualmeteorology(includingforecasts)shouldbeusedwheneverpossible.bobasedonsiteboundarydosesforeitherwhoto4c4yTEDEor~kl44yroilg~ggjrf,whicheverismorelimiting(dependsonsourcetermassumptions(s).TheFSARsourcetermsapplicabletoeachmonitoredpathwayshouldbeusedinconjunctionwithannualaveragemeteorohgyindeterminingindicationsforthemonitorsonthatpathway.JLRdmurtgfmafftjfttnafftrttdrttrjalftfftrrrtgrtifm.3.5mhunDmaiu&ukh.i2.Ebu.2.BadiatignHgrtitzirtgSmfftm.KK2.~Z.Btu.S.JhfttrminufhrtreffbihhuliftttffrrtfBtthaw~EzrtttmrfrBah"Hftgfitrtr529212.Iaah5uaa.lagfIgnX2LLatacfrgrnD.GmithfuELBurm14

fc¹:.HU1PlantSpecificEALkleline(A,H,S)indianPointUnit2Naturalanddestructivephenomenaaffectingtheprotectedarea.Op.Mode4ppffcabflitVQ1(PwrOps)Q2(HSB)Q3(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)%AllHU1.1HU1.2Reportbyplantpersonneloftornado~within~protectedareaQgtfft!zy.HU1.3Assessmentbythecontrolroomthatannutgrgleventhasoccurred.HU1.4Vehiclecrashinto,gf;ftLftiftgljjfttldtjghjaggy+plantstructuresorsystemswithinprotectedareaboundary.HU1.6HU1.5Reportbyplantpersonnelofanunanticipatedexplosionwithinprotectedareaboundaryresultingin[visibledamageto~lajpermanentstructureorequipment.HU1.?Reportofturbinefailurergitjfjttghrbjttalrjfiresultingincasingpenetrationordamagetoturbines-generatorsealsr~jfjttgjtt~gfjttjttjgg~in+iftthttdzgfm.Bhmrlttttttlmuslimaravatarfhau~LQh5Uataih.Reudmuahrhaxhuttlhmlhan~{GhfSLlat~15 II PlantSpecificEALdeline(A,H,S)IndianPointUnit2BasesTheprotectedareaboundaryis4ypicallythatpartwithinthesecurityisolationzoneandisdefinedinthesitesecurityplan.alan.ahLNull1'Damagemaybecausedtosomeportionsofthesite,butshouldnotaffectabilityofsafetyfunctionstooperate.Methodofdetectioncanbebasedoninstrumentation,validatedbyareliablesource,oroperatorassessment.AsdefinedintheEPRI-sponsored"GuidelinesforNuclearPlantResponsetoanEarthquake,datedOctober1989,a"feltearthquake"is:Anearthquakeofsufficientintensitysuchthat:(a)theinventorygroundmotionisfeltatthenuclearplantsiteandrecognizedasanearthquakebasedonaconsensusofcontrolroomoperatorsondutyatthetime,and(b)forplantswithoperableseismicinstrumentation,theseismicmonitorsoftheplantareactivated.Formostplantswithseismicinstrumentation,theseismicmonitorsaresetatanaccelerationofabout0.01g.22dumaaihamm:~imirumftafaiignmfhdftgftgfhnfmll2mfrumftoiaihnfgaudirmunmdbauakammi.EAL¹QLQ2isbasedontheassumptionthatatornadostriking(touchingdown)withintheprotectedboundarymayhavepotentiallydamagedplantstructurescontainingfunctionsorsystemsrequiredforsafeshutdownoftheplant.Ifsuchdamageisconfirmedvisuallyorbyotherin-plantindications,theeventmaybeescalatedtoAlert.EAL¹~allowsforgocontrolroomggagmutjtodeterminethataneventhasoccurredandtakeappropriateactionbasedonpersonalassessmentasopposedtoverification(i.e.,anearthquakeisfeltbutdoesnotregisteronanyplant-specificinstrumentation,etc.).EAL¹~4isintendedtoaddresssuchitemsasplaneorhelicoptercrash,,ocbargo~fftrg~crash,~~~gg~jggggfthatmaypotentiallydamageplantstructurescontainingfunctionsandsystemsrequiredforsafeshutdownoftheplant.Ifthecrashisconfirmedtoaffectaplantvitalarea,theeventmaybeescalatedtoAlert.ForEAL¹~5,onlythoseexplosionsofsufficientforcetodamagepermanentstructuresorequipmentwithintheprotectedareashouldbeconsidered.Asusedhere,anexplosionisarapid,violent,unconfinedcombustion,oracatastrophicfailureofpressurizedequipment,thatpotentiallyimpartssignificantenergytonearbystructuresandmaterials.NoattemptismadeinthisEALtoassesstheactualmagnitudeofthedamage.Theoccurrenceoftheexplosionwithreportsofevidenceofdamage(e.g.,deformation,scorching)issufficientfordeclaration.TheEmergencyDirectoralsoneedstoconsideranysecurityaspectsoftheexplosion,ifapplicable.EAL¹QlQ.6isintendedtoaddressmainturbinerotatingcomponentfailuresofsufficientmagnitudetocauseobservabledamagetotheturbinecasingortothesealsoftheturbinegenerator.Ofmajorconcernisthepotentialforleakageofcombustib'lefluids(lubricatingoils)andgases(hydrogencooling)totheplantenvirons.ActualfiresandflammablegasbuildupareappropriatelyclassifiedviaHU2andHU3.ThisEALisconsistentwiththedefinitionofanUnusualEventwhilemaintainingtheanticipatorynaturedesiredandrecognizingtherisktonon-safetyrelatedequipment.Escalationoftheemergencyclassificationisbasedonpotentialdamagedonebymissilesgeneratedbythefailureorbytheradiologicalreleases~tAlA.TheselattereventswouldbeclassifiedbytheradiologicalICsorfissionproductbarrierICs.EAL¹~7coversItj~iftfti~fake~seriousevents.eprecursorsofmoreThehighwaterlevel(14.5')correspondstothemaximumwaverunupasspecifiedintheFSAR.Thehwlevel(A.5')correspondstothedesignminimumservicewaterbaylevelfordesignservicewaterflow.16

ICE:HU2PlantSpecificEAL'deline(A,H,S)indianPointUnit2Firewlthlnprotectedareaboundarynotextlngulshedwlthln15minutesofdetection.Op.ModeApplicabilityQ1(PwrOps)Q2(HSB)Q3(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)~AllHU2.1Qgpiirmafifireinbuildingsorareascontiguoustoanyofthefollowing-(eit~pecNe)areasnotextinguishedwithin15minutesofcontrolroomnotificationalarm:Qgridartaaia2zagaIaak'H55IBanimEaiarlaiakaGiuziuraGoyim)fh(alar~HiEastEualmgiagaBuiidimrErimazhuziIiaorBuihfiaaLEaaktum~QzialomartiBuildimr89~MdduutarEh~SIQmim!QuairdEhmDimlQattaraitzBuildinglEualtanhham~huzTiiamQmdmiarZemiBuilfiriaBaiittmBmuQmiralhlarm2athn17

PlantSpecificEAL+deline(A,H,S)IndianPointUnit2BasesThepurposeofthisICistoaddressthemagnitudeandextentoffiresthatmaybepotentiallysignificantprecursorstodamagetosafetysystems.Thisexcludessuchitemsasfireswithinadministrationbuildings,waste-basketfires,andothersmallfiresofnosafetyconsequence.ThisICappliestobuildingsandareasthatarenotcontiguousorimmediatelyadjacenttoplantvitalareas.Verificationofthealarminthiscontextmeansthoseactionstakeninthecontrolroomtodeterminethatthecontrolroomalarmisnotspurious.EscalationtoahigheremergencyclassisbyICHA2,"FireAffectingtheOperabilityofPlantSafetySystemsRequiredfortheCurrentOperatingMode".lMaadJL2~fummmftnadakmim.huiihftjruzfftibftftmahmnflarhahuuhranmmhftihftriaammulam.Ihaadftrftafjrftaarmfrgjimddafbxfflmrtihftrffrtji.18

ic¹:HU3PlantSpecificEALdeline(A,H,S)indianPointUnit2Releaseoftoxicorflammablegasesdeemeddetrimentaltosafeoperationoftheplant.Op.Mode>pplfcabflftV91(PwrOps)Q2(HSB)93(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)~AllHU3.1HU3.2Reportordetectionoftoxicorflammablegasesthatcouldenter~~fttt~tf,withintheReportbylocal,countyorstateofficials,fthmgaitQ.forpotentialevacuationofsitehdhdll~d~ggrmttmlftr.~operationoftheplant.19

PlantSpecificEALdeline(A,H,S)indianPointUnit2BasesThisIGisbasedonreleasesinconcentrationswithinthe@toQfQiftgfg~~boundarythatwillaffectthehealthofplantpersonneloraffectingthesafeoperationoftheplantwiththeplantbeingwithintheevacuationareaofanoffsiteevent(i.e.,tankertruckaccidentreleasingtoxicgases,etc.).TheevacuationareaisasdeterminedfromtheDOTEvacuationTablesforSelectedHazardousMaterials,intheDOTEmergencyResponseGuideforHazardousMaterials.JL2QEfE2~QQKOREsfQbf%Sift%htfiihKEQKKtiYRQfQIKCEfKQhEQdkflK~KEEKitQICQIRJQ2'!925IhQEQfQEiihEMhffti!Ei2i'ffIR++95kQKifmiffftftibmQftQioaQftQfm~Qtttffffafbmtihaafaraih.20

tCff:HU4PlantSpecificEAL(tleline(A,H,S)IndianPointUnit2Confirmedsecurityeventwhichindicatesapotentialdegradationlnthelevelofsafetyoftheplant.Op.ModeAppilc>>tittyQ1(PwrOps)Q2(HSB)Q3(HSD)Q4(CSD)Q5(Refuel)Q6(Deiuel)QAIIHU4.1HU4.2BombdevicediscoveredwithinplantprotectedareaandtroutoutsidethefgfiuMtjmrplantvitalareaa.QgrtdaltaataRgragaIanh.EMGLkmhaEahrJrttakaGtmtura.HmhrQa~imqatarMmEREaat.QmlGhzagaluiiriilihMnarxhutriliazJhiifiasLEartlhm.~QuinttirimarttluilriiltRMZaltlmitdlgaarEhumKrtntrglQuihfiag}.QahhlramfiogBaunardEiagtrigaltuorud.Qaatm!QuntmlElm.DimlQartaratrzBuildirtaaorfEuallaahhma.huzTiiarxEaarlttratarBanaMdirtgHainReamEoaktaura.BatbmBmm{GrtrttuttIhildirtrr3Z9alatrathrt).centralhhrmRathrt.Gamuibr.EmargaacxDied.OthersecurityeventsasdeterminedfromContingencyPlan.21

PlantSpecificEALdeline(A,H,S)IndianPointUnit2BasesThisEALisbasedo'Qz~pgjg~g~~yggrtlitggggy.Qgg.Securityeventswhichdonotrepresentatleastapotentialdegradationinthelevelofsafetyoftheplant,arereportedunder10GFR73.71orinsomecasesunder10CFA50.72.Theplantprotectedareaboundatyiuypic4lythatpartwithinthesecurityisolationzoneandisdefinedinth~~?~gttfifygttfttittgftrtgg~~~~~~~~~~Qjaf~g~gttjfy,ggftftttgft~Qan,BombdevicesdiscoveredwithintheplantvitalareawouldresultinEALescalation.?Iahhki.~hmmfhlmhzfQWttry"22

IC¹:HU5PlantSpecificEALQldeline(A,H,S)indianPointUnit2OthercondltlonsexistingwhichlnthejudgementoftheEmergencyDirectorwarrantdeclarationofanUnusualEvent.Op.Mode>PPffcabflftyQ1(PwrOps)Q2(HSB)93(HSD)94(CSD)Q5(Refuel)06(Defuel)~AllHU5.1lhhhQggzyiazgr~indicateapotentialdegradationofthelevelofsafetyoftheplant.23

PlantSpecificEALCeline(A,H,S)IndianPointUnit2BasesThisEALisintendedtoaddressunanticipatedconditionsnotaddressedexplicitlyelsewherebutthatwarrantdeclarationofanemergencybecauseconditionsexistwhicharebelievedbytheI~aEQIIlMhS'IIIi'ctions.Examplestoconsiderincludeinadequateemergencyresponseprocedures,transientresponseeitherunexpectedornotunderstood,failureofunavailabilityofemergencysystemsduringanaccidentinexcessofthatassumedinaccidentanalysis,orinsufficientavailabilityofequipmentand/orsupportpersonnel.a'&aaltli'owever,thislistisbynomeansallinclusiveandisnotintendedtolimitthediscretionofthesitetoprovidefurtherexamples:~Rsolelyasexamplesforconsiderationanditisrecognizedthatactualeventsmaynotalwaysfollowapreconceiveddescription.24

Ic¹:HA1PlantSpecificEALdeline(A,H,S)indianPointUnit2Naturalanddestructivephenomenaaffectintheplantvitalarea.Op.Modepp-)fa1(PwrOps)Q2(HSB)Q3(HSD)Q4(CSD)Q5(Refuel)g6(Defuel)QAtlHA1.1HA1.2Eafihguajzjahjiaiulaoihy.rtoartrmgrartrtaraigraBE2MfioaiionfuunJMihaianaaiihgualfahaartmrrftddmagniiuda>kKrthgrizgoialQBKKrtmhmlHA1.3EAL¹~3shouklspecify(eit~pecific)structurescontainingsystemsandfunctionsrequiredforaalaftjaoinltrailonHA1.4HA1.6Q~todftftaaiaGiftragaIaoi~.BEGLkm'mEatmjoiajfaGirut;turhBmzhzEahrMalmHiEaat.Eual5hzagaBuildioLErimaorhuxiliarxBuijdiogLEan~~QuiiaiomftoiBuilding.~~Miohgaar.EhpmlGuolrolBuiidiog}.QabhBurftadioaBuomaodElaotrioaltunnftL~QuntulBmn.Diml<aanftraiZBuijdiagandEuajtaOkhma.huxiTiaOrEftadmatar2umuBuildiohBallanEhgmEftoirglBuilding2ZQftjfotaiifio).Qh5.565.HA1.5VehiclecrashrtrftrgiagiijajmftagiMectfngEbEh~Qr2?ujdOauaaaOXrftQujradaafaiirh'D~Turbinefailuregeneratedmissile-damage4eer-penetmhhhoauaaartraoittniiallxmmeaoy.raftuiradaafaihrajaiadayahunnrairuoiurainhtoofnaiooftarahlaHA1.7Sit~peafic)-occurrencesBbtarlmlmtal@rtrgraaiftrihan3Z{9h5llaiaiift.QBjniajtaaituOiurajfLrftjjaaaihaniha!rmdiinrtinajuaaftfBmiOaEahrfbi'5 l'I PlantSpecificEALeline(A,H,S)IndianPointUnit2BaSeSEachoftheseEALsisintendedtoaddresseventsthatmayhaveresultedinaplantvitalareabeingsubjectedtoforcesbeyonddesignlimits,andthusdamagemaybeassumedtohaveoccurredtoplantsafetysystems.Theinitialreportshouldnotbeinterpretedasmandatingalengthydamageassessmentpriortoclassification.NoattemptismadeinthisEALtoassesstheactualmagnitudeofthedamage.Escalationtoahigheremergencyclass,ifappropriate,willbebasedonSystemMalfunction,FissionProductBarrierDegradation,AbnormalRadReleases/RadiohgicalEffluent,orEmergencyDirectorJudgementICs.EALF51,1ahould4aisbasedo+eit~pociT+FSARdesignbasisof~hgijZgg@aad~ftffjgai.Seismiceventsofthismagnitudecancausedamagetosafetyfunctions.EAL~ehoWcLbeisbasedoQci~pecifgFSARdesignbasisof100mph.Windloadsofthismagnitudecancausedamagetosafetyfunctions.EAL¹~3shouldspecify~~pecifgstructurescontainingsystemsandfunctionsrequiredforaafftpfaaigaftraiiaaIhtmftlbmhhxmbhbnatural@addmfaztjxftahtattmmmaatfadiaafftdiaibftautrglrmnmadftguafftlxgjxftabxfbaamamiashahM.~12md12umdftiftfatiamLIbftatfufafbftrfthauaftadhrihhEBJ.EAL¹~5isintendedtoaddresssuchitemsasplaneorhelicoptercrash,,traincrash,orbarge~~icrash,ar.fmaaaiafgfajfgl~intoaplantvitalarea.EAL~iaiatoadod4aaddressmthethreattosafetyrelatedequipmentimposedbymissilesgeneratedbymainturbinerotatingcomponentfailures.Thareas(RenimEahr5mfftm.QgzfmahRzagfttunhaadajuinLfhfuftliagEverGhzagftIaokaadajaiaLlhhldlffaJlaata.Ph.l.Elaprigajaftaftfmfjgama.DimlRmutratgr~aadQgntzlgggrgf~shouldindudeallareascontainingsafety-relatedequipment,theircontrols,andtheirpowersupplies.ThisEALis,therefore,consistentwiththedefinitionofanALERTinthatifmissileshavedamagedorpenetratedareascontainingsafety-relatedequipmentthepotentialexistsforsubstantialdegradationofthelevelofsafetyoftheplant.EAL~5~covershigh-iaftjmlakemuiiiaRmgfxiiafalaaiam~umaaLKhanlmmh~Kff.aumaga~hiafjagdfftxfthibahiifjrtftjaltxifaiaauigmftai.laiakadafgturftlftxftlsiha!amiagohmsGmimuahrfhmibrftalmugaftrabiliixafutuatxiiafmuiamftai.Ehfarmzfta;1.hhaurmalQuaraiiagJmiazlfaa28JULLftx.5.affftaiixftdafa21Z21{Eatibauakel2.EKRabdx&ajuaiigaHftggd.11L2629.~ammQ2.Iahhkl.2CitalhamBxlxaftBrdQatmumMalhrml5.LlahfftdER48~1Q.hmtaffix1$Iurbiaagxmaftftdzialxm~amm145225SQI~~2.IllERKKGZLEQBKB6XIQH.12LUB9.Z.Iffy@maGmfhaR14LHuuiaaafthhrQfLUadafftdESEBazthaKK26

IC¹:Ha2PlantSpecificEALdeline(A,H,S)IndianPointUnit2Fireorexplosionaffectintheoperabllltyofplantsafetysystemsrequiredtoestablishormalntalnsafeshutdown.Op.ModeApplf~abilltyQ1(PwrOps)Q2(HSB)Q3(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)QAIIHA2.1Thefolhwingconditionsexist:a.Fireorexphsioninanyofthefollowing-(eC~~Tie)areas:QzlttfartaataGtaraaaIaohBEGLRmjimEahrIrttalraGtiuafurft.lmimEatar~PitEmf.QmlltaraaaQuilffinaEriaiaty.huziTiartrJhildirtalEaalhm.lacerQaittaiamftittIhMiiiL~~ltmtabaftarHaamEarttralQuilfiaa}.Qahh&utafinaHaamariflEhdriaaluurtrtftLQmimlQuatulHaam.DimlRmftiatarihihiirIaaodQmlIaolthma.hutEiazEttadmatarBanuIhiidioLQatbuxHaamiGuatralIhildittaGZZ&~ratlatt).QantmlhlarmStatue.ANDb.Qauaftaaraatftrttlalltraamumzraauiradaalatlrmlatftftatfatamarrtuzturatahzatrtairiaaarahh27

PlantSpecificEALCeline(A,H,S)indianPointUnit2BaseslIMN"""'""'"'.~llhl""'onsultedforequipmentandplantareasrequiredfortheapplicablemode.Thiswillmakeiteasiertodetermineifthefireorexplosionispotentiallyaffectingoneormoreredundanttrainsofsafetysystems.Escalationtoahigheremergencyclass,ifappropriate,willbebasedonSystemMalfunction,FissionProductBarrierDegradation,AbnormalRadReleases/RadiologicalEffluent,orEmergencyDirectorJudgementICs.Withregardtoexphsions,onlythoseexphsionsofsufficientforcetodamagepermanentstructuresorequipmentrequiredforsafeoperationwithintheidentifiedplantareasshouldbeconsidered.Asusedhere,anexplosionisarapid,violent,unconfinedcombustion,oracatastrophicfailureofpressurizedequipment,thatpotentiallyimpartssignificantenergytonearbystructuresandmaterials.Theindusionofa"reportofvisibledamage"shouldnotbeinterpretedasmandatingalengthydamageassessmentpriortodassification.NoattemptismadeinthisEALtoassesstheactualmagnitudeofthedamage.TheoccurrenceoftheexplosionwithreportsofevidenceofdeclarationofanAlertandtheactivationoftheTSCwillprovidetheEmergencyDirectorwiththeresourcesneededtoperformthesedamageassessments.TheEmergencyDirectoralsoneedstoconsideranysecurityaspectsoftheexplosions,ifapplicable.2J.~hens.BxinmhadQahgftu"28 flp IC¹:HA3Op.ModeApplicabilityHA3.1PlantSpecificEALeline(A,H,S)indianPointUnit2Releaseoftoxicorflammablegaseswithinafacilitystructurewhichjeopardizesoperationofsystemsrequiredtomaintainsafeoperationsortoestablishormaintaincoldshutdown.Q1(pwrOps)g2(HSB)Q3(HSD)94(CSD)Q5(Refuel)j36(Defuel)~AllHA3.2ReportordetectionoftoxicgaseswithineLtttfL{giiftMtittlrfacilitystructureainconcentrationsthatwillbelifethreateningtoplantpersonnel:QgndartaataBttzagaIartir.HMtGLkmimavatarJrttalmGtazturft.2anhaEahr~Et~hmlBtlzagaBuildiitg.Primly.huttiliaw.Buildittg{EanHum.2auurQfzttaitlmafttBui!dirtL~~Mtt;bgaarHaunEuatfrtlBuildiag).QahhBuraadiagHaunattdE!artfulIuartaLQmimlQmfruiHggm.Diml{atmrattzBuiidimtaltdQadIaahhum.huttiTiatxEaadlffatarBan@BuildittaBatttztrHtttznEuntrulBuildittgW.Zah~ratitzt}.QmimlhhrmGtatltttt.Reportordetectionofflammablegaseswithinathr{tti~jrtgstructureainconcentrationsthatwill~fZa&da~i@SluifZtlaQt{QYQQEhQQu2QQQQraQQalQE1fKtlYftNttuiÃltZtQrtftt:aaaartr{lZthesafeoperationoftheplant:QztdftrtaataBhagaIartk.HMIGLGmigaEahrirttaifaBtrugturft.{GoyimEver~KitEasi.EualBttzagaRuiidiItg.2rimauhuttiliary.BuiidIttg{Ean~~QuntairtmaotBuildina~~BnitgbgaarHtzun{GfzttutiBuildirtlt).QuhhEhumaridFht;tdmlturtltaLQmimlQurdadHIztm.DRY&marattzBuildirtgandEuatIattkBrea.huttiTiamEaadmtahrPumaBuiidinLBattmxBaum{QtzttrtttBuilding2Z{Llthmtha).QmfralhlaunBtatltzt.29

PlantSpecificEALbeeline(A,H,S)IndianPointunit2BasesThisICisbasedongasesthathaveenteredaplantstructure&foctinggzglttdjftg~gftgtijftgtftO>ft~~~g+thesafeoperationoftheplant.ThisICappliestobuildingsandareascontiguoustoplantvitalareasorothersignificantbuildingsorareas(i.e.,ServiceWaterPumphouse).TheintentofthisICisnottoincludebuildings(i.e.,warehouses)orotherareasthatarenotcontiguousorimmediatelyadjacenttoplantvitalareas.Itisappropriatethatincreasedmonitoringbedonetoascertainwhetherconsequentialdamagehasoccurred.Escalationtoahigheremergencyclass,ifappropriate,willbebasedonSystemMalfunction,FissionProductBarrierDegradation,AbnormalRadReleases/RadiohgicalEffluent,orEmergencyDirectorJudgementICs.30

ICN:HA4PlantSpecificEALideline(A,H,S)indianPointUnit2SecurityeventInaplantprotectedarea.Op.ModeAppiic>>iiityD1(PwrOps)02(HSB)03(HSD)D4(CSD)g5(Refuel)Q6(Defuel)~AllHA4.1HA4.2intrusionintoplantprotectedareabya-hestileferee~+ygr~Othersecurityeventsasdeterminedfrom+ite-specific)~4afeguardsQg~gContingencyPlan.31

PlantSpecificEALdeline(A,H,S)IndianPointUnit2BasesThisclassofsecurityeventsrepresentsanescalatedthreattoplantsafetyabovethatcontainedintheUnusualEvent.ForthepurposesofthisIG,jII~&hXRQRdYQQREZ5hfkihkEEiKISIhEiLhgl!QUATE~hkauujtjgrQdaigmf~~IILjiy~.IntrusionintoavitalareabyahostileforcewillescalatethiseventtoaSiteAreaEmergency.JL2uHIitmiIIIImaa~aaunmgahumfiarxinmnauhm.mfjihmaihhihataamrjixmfmiiaartftmhmuldafbztibftaihtr.32

Ic¹:HA5Op.ModeAppllcabllltyHA5.1EntryintoPlantSpecificEALideline(A,H,S)IndianPointUnit2ControlroomevacuationhasbeenInltlated.01(PwrOps)Q2(HSB)Q3(HSD)g4(CSD)Q5(Refuel)06(Defuel)~All8QJ2LLLEhr.MQQKEQLBQQMGHUIDQEHQQHIBQL32Q55Pforcontrolroomevacuation.33

PlantSpecificEAL0tfeline(A,H,S)IndianPointUnit2BasesWiththecontrolroomevacuated,additionalsupport,monitoringanddirectionthroughtheTechnicalSupportCenterand/orotherEmergencyInabilitytoestablishplantcontrolfromoutsidethecontrolroomwillescalatethiseventtoaSiteAreaEmergency.isnecessary.34

IC¹:HA6PlantSpecificEALldeline(A,H,S)IndianPointUnit2OtherconditionsexistingwhichlntheJudgementoftheEmergencyDirectorwarrantdeclarationofanAlert.Op.ModeAPPllcabllltyQ1(PwrOps)92(HSB)Q3(HSD)94(CSD)Q5(Refuel)Q6(Defuei)~AllHA6.1OtherconditionsexistingwhichinthejudgementoftheEmergencyDirectorindicatethatplantsafetysystemsmaybedegradedandthatincreasedmonitoringofplantfunctionsiswarranted.35

PlantSpecificEALdeline(A,H,S)IndianPointUnit2BasesThisEALisintendedtoaddressunanticipatedconditionsnotaddressedexplicitlyelsewherebutthatwarrantdeclarationofanemergencybecauseconditionsexistwhicharebelievedbytheEmergencyDirectortofallundertheAlertemergencyclass.36

IC¹:HS1PlantSpecificEALeline(A,H,S)IndianPointUnit2SecurityeventInaplantvitalarea.Op.ModeApplicabilityQ1(PwrOps)Q2(HSB)Q3(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)~AllHS1.1HS1.2Intrusioninto~gillnttingplantaagunttrvitalareaabye-hesQe-forceanadtraraanr:QundanaataGtttraga~EMGLRauiaaEahcJntakaRm~HaatarBahSanfimEahr~EEEaat.Qml2gragaRuildinaErimanrBmttTlamlhildinalEanHttuat.MmrQuntainmantfhildina~~lmitgltgaarBaunKuntrglRuildinrt).QabhlarftadlngBmnandElttgtngaltuarmLQm1mlQmizlBmn.DimlGmmtgrBuiidingandEuttlXankhmu.huzilianrhtadnatarBan@JhiidinuHaia2aamEndzatrhQathuEhumiGgntrtdlhlidina2Zttaitntatittn).Qantmlhhun5tatiun.SmuibrEmargane.Dime.Othersecurityeventsasdeterminedfrom(eit~peeiTie)~4afeguarde~terContingencyPlan.37

PlantSpecificEALrdeline(A,H,S)indianPointUnit2BasesThisclassofsecurityeventsrepresentsanescalatedthreattoplantsafetyabovethatcontainedintheAlertICinthatahostita4orceaaQ~aafy,hasprogressedfromtheprotectedareatothevitalarea.HahuumIahiaXf.26falhraaaGxImahndQafaaotL"38

IC¹:HS2PlantSpecificEALdeline(A,H,S)IndianPointUnit2ControlroomevacuationhasbeenInltlatedand~at-controlgf~u}gJlngcannotbeestablished.Op.ModeAPPffcabllltY91(PwrOps)Q2(HSB)03(HSD)04(CSD)05(Refuel)Q6(Defuel)%AllHS2.1Thefolhwingconditionsexist:a.Controlroomevacuationhasbeeninitiated.ANDb.Controlof4haplant~gZfjagcannotbeestablishedper2LLLBm.1LQQHIBQLBQQhiGBUIDQEHQ2KIBQl12Li6Mwithin~~peeNe)Mminutes.39

PlantSpecificEALdeline(A,H,S)indianPointUnit2BasesExpeditioustransferofsafetysystemshasnotoccurredbutfissionproductbarrierdamagemaynotyetbeindicated.+Sit~el+~timefortransfer~basedonanalysisorassessmentsastohowquicklycontrolmustbereestablishedwithoutcoreuncoveringand/orcoredamage.Thistimeshouldnotexceed15minutes.Incoldshutdownandrefuelingmodes,operatorconcernisdirectedtowardmaintainingcorecoolingsuchasisdiscussedinGenericLetter88-17,"LossofDecayHeatRemoval."Inpoweroperation,hotstandby,andhotshutdownmodes,operatorconcernisprimarilydirectedtowardmaintainingcriticalsafetyfunctionsandtherebyassuringfissionproductbarrierintegrity.Escalationofthisevent,ifappropriate,wouldbebyFissionProductBarrierDegradation,AbnormalRadReleases/RadiologicalEffluent,orEmergencyDirectorJudgementICs.Withrespecttoprotectionofthepublicandsafeplantoperations,"plantcontrol"mustfocusprimarilyontheabilitytomaintainthereactorinacooledcondition.Therefore,itisappropriatetochangetheICandEALsothatitemphasizestheneedforcorecoolingwhencontrollingtheplantfromoutsidetheControlRoom.40

IC¹:HS3PlantSpecificEAL+deline(A,H,S}IndianPointVnit2OtherconditionswhichInthejudgementoftheEmergencyDirectorwarrantdeclarationofSiteAreaEmergency.Op.ModeAPPllcablllty91(PwrOps)Q2(HSB)Q3(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)~AllHS3.1OtherconditionswhichinthejudgementoftheEmergencyDirectorwarrantdeclarationofSiteAreaEmergency.41

PlantSpecificEALeline(A,H,S}IndianPointUnit2BasesThisEALisintendedtoaddressunanticipatedconditionsnotaddressedexplicitlyelsewherebutthatwarrantdeclarationofanemergencybecauseconditionsexistwhicharebelievedbytheEmergencyDirectortofallundertheemergencyclassdescriptionforSiteAreaEmergency.Multi-unitstationswithsharedsafetyfunctionsshouldfurtherconsiderhowthisIGmayaffectmorethanoneunitandhowthismaybeafactorinescalatingtheemergencyclass.42

IC¹:HG1PlantSpecificEAL+deline(A,H,S)IndianPointUnit2SecurityeventresultingInlossofabllltytoreachandmaintaincoldshutdown.Op.ModeAPPllcabllltyQ1(PwrOps)Q2(HSB)Q3(HSD)Q4(CSD)95(Refuel)Q6(Defuel)~AllHG1.1HG1.2Lossof~physicalcontrolef~thecontrolroomduetosecurityevent.BEGUsafalmiaalmnlralafIharamuhahuldatttaaaaahTiitxduataaamuifxtttttaf.43

PlantSpecificEALdeline(A,H,S)IndianPointUnit2BasesThisIGencompassesconditionsunderwhichahostileforcehastakenphysicalcontrolofvitalarearequiredtoreachandmaintainsafeshutdown.~~~ahtrft~tht~gf~Wtduttfathftrmhzmtmuiaiainmmamlimt.ItmmfftmihhM.huhummdififtffta.mhmtahmftfulantantralfuunhaththft.motelrmnund,aunaia~tfhiffaaanah.44

I(A:HG2PlantSpecificEAL'deline(A,H,S)IndianPointnit2OtherconditionsexlstlngwhichInthejudgementoftheEmergencyDirectorwarrantdeclarationofGeneralEmergency.Op.ModeAPPllcabllltyQ1(PwrOps)02(HSB)93(HSD)Q4(CSD)Q5(Refuel)g6(Defuel)~AllHG2.1OtherconditionsexistingwhichinthejudgementoftheEmergencyDirectorindicate:(1)actualorimminentsubstantialcoredegradationwithpotentialforhssofcontainment,or(2)potentialforuncontrolledradionuclidereleases.ThesereleasescanreasonablybeexpectedtoexceedEPAPAGplumeexposurelevelsoutsidethesiteboundary.45

PlantSpecificEALretleline(A,H,S)IndianPointUnit2BasesThisEALisintendedtoaddressunanticipatedconditionsnotaddressedexplicitlyelsewherebutthatwarrantdeclarationofanemergencybecauseconditionsexistwhicharebelievedbytheEmergencyDirectortofallundertheGeneralEmergencydass.46

IC¹:SU1PlantSpecificEALbeeline(A,H,S)indianPointUnit2Lossofalloffsltepowertoessentialbussesforgreaterthan15minutes.Op.ModeAppff<abfiitVQ1(PwrOps)Q2(HSB)Q3(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)QAllSU1.1Thefolhwingconditionsexist:a.Lossofpowerto~~peeifie):Ratha5mmtIrmhrmra2Q.furdkhtlfiatr8RLhum2h2B.5hmf5hmmtbrft!v.frgmthttllahzd2atiuahuxfmmfzummffuunthft122ELaaaiurbhmhuforgreaterthan15minutes.ANDb.Atleast(eit~peeifie)rtrtftgtttttrltttrtgy,rfittmtffttftftrgtgrhIttthgfmfftgbfirtlrrtltrttrg>8!Khm47

PlantSpecificEALeline(A,H,S)IndianPointUnit2BasesProhngedlossof~ACpower~frgttgreducesrequiredredundancyandpotentiallydegradesthelevelofsafetyoftheplantbyrenderingtheplantmorevulnerabletoacompletelossofACpower(stationblackout).Fifteenminuteswasselectedasathresholdtoexcludetransientormomentarypowerlosses.Ehfftrmzh'.DftmgaJhmDugum@QQmhr~2mlttm.Bfttt.9.19L152l.2.QttttiinaDiagramrtfJL2alttglrlaaldisiribttllltrt48

IC¹:SU2PlantSpecificEALeline(A,H,S)IndianPointUnit2InabllltytoreachrequiredshutdownwlthlnTechnicalSpeclflcatlonLfmlts.Op.ModeAppllcablllty~1(pwrpps)g2(HSB)53(HSD)04(CSD)D5(Refuel)06(Defuel)QAIISU2.1PlantisnotbroughttorequiredoperatingmodSpecificationsLCOActionStatementTime.~lltftTechnical49

PlantSpecificEALCleline(A,H,S)IndianPointUnit2BaSeSLimitingConditionsofOperation(LCOs)requirethePanttobebroughttoarequiredshutdownmodewhentheTechnicalSpecificationrequiredconfigurationcannotberestored.Dependingonthecircumstances,thismayormaynotbeanemergencyorprecursortoamoreseverecondition.Inanycase,theinitiationofplantshutdownrequiredbythesiteTechnicalSpecificationrequiresaonehourreportunder10CFR50.72(b)non-emergencyevents.TheplantiswithinitssafetyenvehpewhenbeingshutdownwithintheallowableactionstatementtimeintheTechnicalSpecifications.AnimmediateNotificationofanUnusualEventisrequiredwhentheplantisnotbroughttotherequiredoperatingmodewithinthealhwableactionstatementtimeintheTechnicalSpecifications.DeclarationofanUnusualEventisbasedonthetimeatwhichtheLCO-specifiedactionstatementtimeperiodelapsesunderthesiteTechnicalSpecificationsandisnotrelatedtohowhngaconditionmayhaveexisted.OtherrequiredTechnicalSpecificationshutdownsthatinvolveprecursorstomoreseriouseventsareaddressedbyotherSystemmalfunctionHazards,orFissionProductBarrierDegradationICs:50

ICA:SU3PlantSpecificEALeline(A,H,S)IndianPointnit2UnplannedlossofmostorallsafetysystemannunclatlonorIndicationInthecontrolroomforgreaterthan15minutes..Op.ModeApplicabilityg1(PwrOps)g2(HSB)~3(HSD)g4(CSD)Q5(Refuel)Q6(Defuel)QAllSU3.1Thefolhwingconditionsexist:'-""-'Huger~-associatahvitWafety-systemsforgreaterthan15minutes.ANDANDc.IntheopinionoftheShiftSupervisor,thehssoftheannunciatorsorindicatorsrequiresincreasedsurveillancetosafelyoperatetheunit(e).ANDd.Annunciatororindicatorhssdoesnotresultfromplannedaction.51

PlantSpecificEALbeeline(A,H,S)IndianPointUnit2BasesThisICanditsassociatedEALareintendedtorecognizethedNicultyassociatedwithmonitoringchangingplantconditionswithouttheuseofamajorportionoftheannunciationorindicationequipment.Recognitionoftheavailabilityofcomputerbasedindicationequipmentisconsidered"Unplanned"lossofannunciatorsorindicatorexcludesscheduledmaintenanceandtestingactivities."Compensatorynon-alarmingindications:inthiscontextincludescomputerbasedinformationsuchasSPDS.Thisshouldincludeallcomputersystemsavailableforthisusedependingonspecificplantdesignandsubsequentretrofits.Iba-1fjftf;hmtigaoftkhakibeadunjbjftrhm.QuantificationofMost"isarbitrary,however,itisestimatedthatifapproximately75%ofthesafetysystemannunciatorsorindicatorsarelostthereisanincreasedriskthatadegradedplantconditioncouldgoundetected;Itisnotintendedthatplantpersonnelperformadetailedcountofinstrumentationlostbut~usegfthaval~judgementhy~2}551gi~mm~thresholdfordeterminingtheseverityoftheplantconditions.ThisjudgementissupportedbythespecificopinionoftheShiftSupervisorthatadditionaloperatingpersonnelwillberequiredtoprovideincreasedmonitoringofsystemoperationtosafelyoperatetheunit~.Itisfurtherrecognizedthatmostplantdesignsprovideredundantsafetysystemindicationpoweredfromseparateuninterruptablepowersupplies.Whitefailureofalargeportionofannunciatorsismorelikelythanafailureofalargeportionofindications,theconcernisincludedinthisEALduetodifficultyassociatedwithassessmentofplantconditions.Thelossofspecific,orseveral,safetysystemindicatorsshouldremainafunctionofthatspecificsystemorcomponentoperabilitystatus.ThiswillbeaddressedbytheirspecificTechnicalSpecification.TheinitiationofaTechnicalSpecificationimposedplantshutdownrelatedtotheinstrumentlosswillbereportedvia10CFR50.72.IftheshutdownisnotincompliancewiththeTechnicalSpecificationaction,theUnusualEventisbasedonSU2,InabilitytoReachRequiredShutdownWithinTechnicalSpecificationUmits."AnnunciatorsorindicatorsforthisEALmustincludethoseidentifiedintheAbnormalOperatingprocedures,intheEmergencyOperatingProcedures,andinotherEALs(e.g.,area,process,and/oreffluentradmonitors,etc.).Fifteenminuteswasselectedasathresholdtoexcludetransientormomentarypowerhsses.Duetothelimitednumberofsafetysystemsinoperationduringcoldshutdown,refueling,anddefueledmodes,noICisindicatedduringthesemodesofoperation.ThisUnusualEventwillbeescalatedtoanAlertifatransientisinprogressduringthehssofannunciationorindication.52

lC¹:SU4Fuelcladdegradatlon.PlantSpecificEALdeline(A,H,S)IndianPointUnit2Op.ModeApplfcabllltYQ1(PwrOps)Q2(HSB)Q3(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)~AllSU4.1SU4.23hmhanaradialahihadiahhradiafianmaaharahrdIaaihataaukihamadlnamdiatfhhritggraaaffuaidafdagradafian.ELkLhraaradialianmeatieriaftmQmmiarrRumuaml~hamu~fiiniaarrta~53

,iP PlantSpecificEALdeline(A,H,S}IndianPointunit2BasesThisICisincludedasanUnusualEventbecauseitisconsideredtobeapotentialdegradationinthelevelofsafetyoftheplantandapotentialprecursorofmoreseriousproblems.EAL¹~1addresses(site-specific)radiationmonitorreadingssuchasBWRairejectormonitors,PWRfailedfuelmonitors,etc.,thatprovideindicationoffuelcladintegrity.EAL¹5ll43addressescoolantsamplesexceedingcoolanttechnicalspecificationsmonitoringICs.EscalationofthisICtotheAlertlevelisviathefissionproductbarrierdegradation54

IC>>:Su5RCSleakage.PlantSpecificEAL(deline(A,H,S)IndianPointUnit2Op.Mode>PPIioabiiitYg1(PwrOps)~2(HSB)53(HSD)g4(CSD)Q5(Refuel)Q6(Defuel)QAIISU5.1Eitherofthefolhwingconditionsexist:a.Unidentifiedorpressureboundaryleakagegreaterthan10gpmORb.Identifiedleakagegreaterthan25gpm.55

PlantSpecificEALeline(A,H,S)IndianPointUnit2BasesThisICisincludedasanUnusualEventbecauseItmaybeaprecursorofmoreseriousconditionsand,asaresult,isconsideredtobeapotentialdegradationofthelevelofsafetyoftheplant.The10gpmvaluefortheunidentifiedandpressureboundaryleakagewasselectedasitisobservablewithnormalcontrolroomindications.Lesservaluesmustgenerallybedeterminedthroughtime-consumingsurveillancetest(e.g.,massbalances).TheEALforidentifiedleakageissetatahighervalueduetothelessersignificanceofidentifiedleakageincomparisontounidentifiedorpressureboundaryleakage.Ineithercase,escalationofthisICtotheAlertlevelisviaFissionProductBarrierDegradationICsorICSA3,"InabilitytoMaintainPlantinColdShutdown."Onlyoperatingmodesinwhichthereisfuelinthereactorcoolantsystemandthesystemispressurizedarespecified.56

iC¹:SU6PlantSpecificEAL(eline(A,H,S)IndianPointUnit2Unplannedlossofallonslteoroffsltecommunicationscapabllltles.Op.ModeAppffcabifftY91(PwrOps)Q2(HSB)93(HSD)94(CSD)95(Refuel)Q6(Defuel)~AllSU6.1Eitherofthefolhwingconditionsexist:hlhlhabilitytoperformroutineoperations:lhlIIh'hhhhIh~ORhhllhEmargaamHufifiaatlanGrailLEHSlIar5BG.~ghanahrmmmttalcatlan~nthtt:lIhhlh'I'hlIIhQKQR.IdealGauuamftatBatlh5mfftm.divestRmtaBmhhllBrimDmdmitntnatiBah~57

PlantSpecificEAL(eline(A,H,S}IndianPointunit2BasesThepurposeofthisIQandffsassociatedEALsistorecognizealossofcommunicationscapabilitythateitherdefeatstheplantoperationsstaffabilitytoperformroutinetasksnecessaryforplantoperationsortheabilitytocommunicateproblemswithoffsiteauthorities.Thelossofoffsitecommunicationsabilityisexpectedtobesignificantlymorecomprehensivethantheconditionaddressedby10CFR50.72.Ih"'"'adioshjjralkietalkies).anddedicatedEPPphonesystems.ThisEALisintendedtobeusedonlywhenextraordinarymeansarebeingutilizedtomakecommunicationspossible(relayingofinformationfromradiotransmissions,individualsbeingsenttooffsitelocations,etc.).58

iC¹:SU7PlantSpecificEALideline(A,H,S)indianPointUnit2UnplannedlossofrequiredDCpowerduringcoldshutdownorrefuelingmodeforgreaterthan15minutes.Qp.ModeAppllcabllltY01(pwrOps)02(HSB)03(HSD)84(CSD)~5(Refuel)06(Defuel)0AIISU7.1Either~ofthefollowingconditionsexist:b.FailuretorestorepowertoQcequfredDGbuseswithin15minutesfromthetimeofhss.59

PlantSpecificEALeline(A,H,S)IndianPointUnit2BasesThepurposeofthisIGanditsassociatedEALsistorecognizealossofDGpowercompromisingtheabilitytomonitorandcontroltheremovalofdecayheatduringcoldshutdownorrefuelingoperations.ThisEALisintendedtobeanticipatoryinasmuchastheoperatingcrewmaynothavenecessaryindicationandcontrolofequipmentneededtorespondtotheloss."UnplannedisincludedinthisIGandEALtoprecludethedeclarationofanemergencyasaresultofplannedmaintenanceactivities.Routinelyplantswillperformmaintenanceonatrainrelatedbasisduringshutdownperiods.Itisintendedthatthelossoftheoperating(operable)trainistobeconsidered.Ifthislossresultsintheinabilitytomaintaincoldshutdown,theescalationtoanAlertwillbeperSA3"InabilitytoMaintainPlantinColdShutdown.Pit~cific}~busvoltageshculd4ohbasedontheminimumbusvoltagenecessaryfortheoperationofsafetyrelatedequipment.Thisvoltagevalueshouldincorporateamarginofatleast15minutesofoperationbeforetheonsetofinabilitytooperatethoseloads.Thisvoltageisusuallyneartheminimumvoltageselectedwhenbatterysizingisperformed.Typicallythevaluefortheentirebatterysetisapproximately105voltspercell.Fora56stringbatterysettheminimumvoltageistypically1.81voltspercell.lhuhaBarhDgglfatftntMEhr32KEKGXahun.Ebu.9.11L15iRi.60

IC>>:SA1PlantSpecificEAL.uideline(A,H,S)IndianPointUnit2LossofalloffsltepowerandlossofallonslteACpowertoessentialbussesduringcoldshutdownorrefuelingmode.Op.ModeAppllcabllltVQ1(PwrQps)02(HSB)Q3(HSD)84(CSD)~5(Refuel)Q6(Defuel)QAIISA1.1a.Lossofpowerto-(eit~peeifie):Rathn&nimImuhramm5.2.2mikhfitHm8HBL~hum5h.2Mb'haumm1itfttbrANDb.Failureof(eitrH'peeifle)~XQimal&uMcatOLR21.22.22522IQQIKQQ59f1t?KEYLQlhm(2Mb.%hand,QBlANDc.Failuretorestorepowertobus~MrtrMwithin15minutesfromthetimeoflossofbothoffsiteandonsiteACpower.BS?laahiBxfttmtmftramuiadamaulinumlftmnithullftrnahfilfrttrmuzmhr~1Kmia.61

PlantSpecificEALuideline(A,H,S)IndianPointUnit2BasesLossofallACpowercompromisesallplantsafetysystemsrequiringelectricpowerincludingRHR,ECCS,containmentheatremoval,SpentFuelHeatRemovalandtheUltimateHeatWhenincoldshutdown,refueling,ordefueledmodetheeventcanbeclassifiedasanAlert,becauseofthesignificantlyreduceddecayheat,lowertemperatureandpressure,increctimetorestoreoneoftheemergencybusses,relativetothatspecifiedfortheSiteAreaEmergencyEAL.EscalatingtotheSiteAreaEmergency,ifappropriate,isbyAbnormalRadLevels/RadiologicalEffluent,orEmergencyDirectorJudgementICs.Fifteenminuteswasselectedasathresholdtoexcludetransientormomentarypowerlosses.

ICA:SA2Op.ModeAppllcabllltySA2.1PlantSpecificEAL(deline(A,H,S)IndianPointUnit2FailureofReactorProtectionsystemInstrumentatlontocompleteorlnltlateanautomaticreactorweramirlponceaReactorProtectionsystemsetpolnthasbeenexceededandIgr.manual~emfrigwasnotsuccessful,~flareIRmganefggnarmilglL~1(PwrOps)2(HSB)Q3(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)QAII63

,AgtP>>*

PlantSpecificEALC'beeline(A,H,S)IndianPointUnit2BasesIbiaEhiaddraaaaaan)rmanualfriuuratifumafiufriuaignalfultumfhIramanttatfriumbhhfaihfuahtifdmmfharaaufurfuanattfanfrautiirinaQmttruanmhurafiun.ThisconditionindicatesfailureoftheautomaticandturrnanttatprotectionsystemtofriucccacathereactorfufbaQitfanf~Qrauttrdaafharaaufurhainumada~ifiuat.Thisconditionismorethanapotentialdegradationofasafetysysteminthatafrontlineautomaticprotectionsystemdidnotfunctioninresponsetoaplanttransientandthustheplantsafetyhasbeencompromised,anddesignlimitsofthefuelmayhavebeenexceeded.AnAlertisindicatedbecauseconditionsexistthatleadtopotentiallossolfuelcladorRCS.A.manualfrju~isanysetofactionsbythereactoroperator(s)atthereactorcontrolconsolewhichcausescontrolrodstoberapidlyinsertedintothecoreandbringsthereactorsubcritical(e.g.,reactortripbutton).IhhRandramlfinuEBLh~rahaanauauiT!Qatt)rmudiTtadfumuraautIrafal)rdaIinafbauundifiundaaurihadh)rfbaganariuhamaaauutiadfuurtmurimdmahrraaufura.IbafahraQfatifumafiuiniliafiunQfaraaufur1riufull@madhxafzuaaafulmanualiniliaiiunaufiunanhhhQanharauidttrfabianaifharaaufurQunfrulQuantaduaanuiQuotaaQufanfiattulsaQfaifbarftiatQtadQrBGRhuttndariaa.libfhaamfinttadQriftuatiftriindarQundifiunsrauuinttgaraaufurauram~Qua+fhaQufanfialfhraafiuBRGurftiatQtadinfagriftt.]fanQBBHGEualhatthhQnEKi.QBIIIQhLIIY.fbarahaahaanafaiturafuahtifdutImfharaaufur.htifuilhuuiatthsfanfiathaafuanrtrafiun.IbaduundifiunarauramtnfaQufanfialtuuQfibafttatQtadhutia!anr.andfhia~adautarafiunQfhLEBLQKGIGuhzifiualif)r=QBBHGEQalhhanfttradhaaadunfaittiraQf1hainfarmttdiafaramafaihurafarnunifurafuindiuafanttuafLraQrzerofultuminuraaufurfiiLhmanttatfrluiamMufaufiunahxfharaaufurQuarafurhlaffharaaufurQunfrutQunauta~QauauuunfrutrudaiuharauidlxinaaifttdinfufbaQuraandhrinuafbaraaufuratihurifiualfan.raaufurfiluhtiffunLiflaahuimuurfantfunufafbaffbafailmuffbaraaufurQrufttufiunattafamfuiniiiaiaanattfumafiufriuduaanuiinfaraufiralQrQufanfiatfailureQfQfbarat5fainanurhif.inandQfIfmtlf.aQraut/rKriufh2unQrudttufharnttrdagradafKHLIhaBBSRKraanuQfharaafafKfllnufiunhiiiiulnlialiaraaufuriQQKIbarafuraQnuafbaraau!Qrtlathaanattuaaaullxfriuuad.faituraatnfhaBERatrafamQanhatraauQlantaafafhlmuaQLifimmadiaiamanttataufiunaiu1riufharaaufuraraatiuaaafutfultumtingrauugnifiunQfanatifumafiuiriufaitura.fbarahnufbraatiuaifbarQlaniaafaftrQrfiamunQiudtiufinfttgrikratafadfufhaatifumafiufriufaitura.IbiaMiafiuniauunahfanfmiihfbaubilumuhxufmatdnuauutirafan.QunaantafiraQtmiTiuafiuna.1ElBXBay.16.BE2'QHKZQ%GLEDI.Reeve64

IC>>:Sa3PlantSpecificEALCeline(A,H,S}IndianPointUnit2InabilitytomaintainplantIncoldshutdown.Op.ModeAPPIIcabillty91(PwrOps)Q2(HSB)g3(HSD)~4(CSD)g5(Refuel)Q6(Defuel)QAllSA3.1Thefollowingconditionsexist:b.Ebmgtgr,azhnttemperatureincreasethateither:~Exceeds200'FOR~Resultsinuncontrolledtemperatureriseapproaching200'F65

PlantSpecificEALCeline(A,H,S}IndianPointUnit2BasesThisEALaddressescompletelossoffunctionsrequiredforcorecoolingduringrefuelingandcoldshutdownmodes.EscalationtoSiteAreaEmergencyorGeneralEmergencywouldbeviaAbnormalRadLevels/RadiohgicalEffluentorEmergencyDirectorJudgementICs."Uncontrolledmeansthatsystemtemperatureincreaseisnottheresultofplannedactionsbytheplantstaff.TheEALguidancerelatedtouncontrolledtemperatureriseisnecessarytopreservetheanticipatoryphihsophyofNUREG-0654foreventsstartingfromtemperaturesmuchlowerthanthecoldshutdowntemperaturelimit.EscalationtotheSiteAreaEmergencyisbyICSSS,LossofWaterLevelintheReactorVesselthathasorwillUncoverFuelintheReactorVessel,"orbyAbnormalRadLevels/RadiologicalEffluentICs.3.2mhkmmhPIftadfltftaf~IabhX1h&um2afk2.IxhSsmQumilk166

IC¹:SA4Op.ModeApplicabilitySA4.1PlantSpecificEAL'deline(A,H,S)IndianPointUnit2UnplannedlossofmostorallsafetysystemannunclatlonorIndicationIncontrolroomwitheither(1)asignificanttransientInprogress,or(2)compensatorynon-alarmingIndicatorsareunavailable.~1(PwrOps)52(HSB)g3(HSD)g4(CSD)Q5(Refuel)D6(Defuel)QAIIThefolhwingconditionsexist:'"hIlll~"""""'~B~AANDb.IntheopinionoftheShiftSupervisor,thelossoftheannunciatorsorindicatorsrequiresincreasedsurveillancetosafelyoperatetheunit(e).ANDc.Annunciatororindicatorlossdoesnotresultfromplannedaction.ANDd.Eitherofthefollowing:~AsignificantplanttransientisinprogressORH3QIEUG.~areIsunavailable.67

PlantSpecificEALCleline(A,H,S}indianPointUnit2BaSeSThisICanditsassociatedEALareintendedtorecognizethedNicultyassociatedwithmonitoringchangingplantconditionswithouttheuseofamajorportionoftheannunciationorindicationequipmentduringatransient.Recognitionoftheavailabilityofcomputerbasedindicationequipmentisconsidered(SPDS,plantcomputer,etc.)."Plannedlossofannunciatorsorindicatorsincludedscheduledmaintenanceandtestingactivities.Quantificationof"Most"isarbitrary,however,itisestimatedthatifapproximately75%ofthesafetysystemannunciatorsorindicatorsarelostthereisanincreasedriskthatadegradedplantconditioncouldgoundetected;Itisnotintendedthatplantpersonnelperformadetailedcountofinstrumentationlostbut~usegftheat~judgement+~~Q~zgjmm~thresholdfordeterminingtheseverityoftheplantconditions.ThisjudgementissupportedbythespecificopinionoftheShiftSupervisorthatadditionaloperatingpersonnelwillberequiredtoprovideincreasedmonitoringofsystemoperationtosafelyoperatetheunit+.Itisfurtherrecognizedthatmostplantdesignsprovideredundantsafetysystemindicationpoweredfromseparateuninterruptablepowersupplies.Whilefailureofalargeportionofannunciatorsismorelikelythanafailureofalargeportionofindications,theconcernisincludedinthisEALduetodifficultyassociatedwithassessmentofplantconditions.Thelossofspecific,orseveral,safetysystemindicatorsshouldremainafunctionofthatspecificsystemorcomponentoperabilitystatus.ThiswillbeaddressedbythespecificTechnicalSpecification.TheinitiationofaTechnicalSpecificationimposedplantshutdownrelatedtotheinstrumentlosswillbereportedvia10CFR50.72.IftheshutdownisnotincompliancewiththeTechnicalSpecificationaction,theUnusualEventisbasedonSU2InabilitytoReachRequiredShutdownWithinTechnicalSpecificationLimits."(Sf~pecifle)hnnunciatorsocMhatceaforthisEALmustincludethoseidentifiedintheAbnormalOperatingProcedures,intheEmergencyOperatingProcedures,andinotherEALs(e.g.,area,process,and/oreffluentradmonitors,etc.)..-"SignificantTransient"includesresponsetoautomaticormanuallyinitiatedfunctionssuchasscrams,runbacksinvolvinggreaterthan25%thermalpowerchange,ECCSinjections,orthermalpoweroscillationsof10%orgreater.Compensatorynon-alarmingindications"inthiscontextincludescomputerbasedinformationsuchasSPDS.Thisshouldincludeallcomputersystemsavailableforthisusedependingonspecificplantdesignandsubsequentretrofits.Ifbothamajorportionoftheannunciationsystemandallcomputermonitoringareunavailabletotheextentthattheadditionaloperatingpersonnelarerequiredtomonitorindications,theAlertisrequired.Duetothelimitednumberofsafetysystemsinoperationduringcoldshutdown,refuelinganddefueledmodes.NoICisindicatedduringthesemodesofoperation.ThisAlertwillbeescalatedtoaSiteAreaEmergencyiftheoperatingcrewcannotmonitorthetransientinprogress.68

IC¹:SA5Op.ModeAppllcabllltySA5.1PlantSpecificEALi+leline(A,H,S)IndianPointUnit2ACpowercapabllltytoessentialbussesreducedtoasinglepowersourceforgreaterthan15minutessuchthatanyaddltlonalsinglefailurewouldresultlnstationblackout.~1(PwrOps)~2(HSB)~3(HSD)g4(CSD)g5(Refuel)Q6(Defuel)QAll~ED921~ED922KKEDG22llaithttxiliaatmmfarmarRathnhmiliazimmiramr322KV.amhuhim69

PlantSpecificEAL(deline(A,H,S)IndianPointUnit2BaSeSThisIGandtheassociatedEALsareintendedtoprovideanescalationfromIGSU1"LossofAllOffsitePowertoEssentialBussesforGreaterthan15Minutes."TheconditionindicatedbythisIGisthedegradationoftheoffsitepowerwithaconcurrentfailureofoneemergencygeneratortosupplypowertoitsemergencybusses.AnotherrelatedconditioncouldbethelossofalloffsitepowerandlossofonsiteemergencydieselswithonlyonetrainofemergencybussesbeingkacMedfromtheunitmaingenerator,orthelossofonsiteemergencydieselswithonlyonetrainofemergencybussesbeingbackfedfromoffsitepower.ThesubsequenthssofthissinglepowersourcewouldescalatetheeventtoaSiteAreaEmergencyinaccordancewithIGSS1LossofAllOffsiteandLossofAllOnsiteAGPowertoEssentialBusses.ExampleEAL¹~1bshouldbeexpandedtoidentifythecontrolroomindicationofthestatusgfoffsite-specificpowersourcesanddistributionbussesthat,ifunavailable,establishasinglefailurevulnerability.3.DmianBmaDmmftnlNBDlhr~Mmmm.Ebu.9.12L15l912.Qmtlin9.DiagmmnfJL2ftladrignldhlnbttlinn2.EQ&9<LauQfhllhGRmrar70

lC¹:SS1PlantSpecificEALreline(A,H,S)IndianPointnit2LossofalloffsltepowerandlossofallonslteACpowertoessentialbusses.LossofalloffsiteandonsiteAGpowerasindicatedby:a.Lossofpowerto-(site-specific):Giuthn&nimIrmhramu25?553.5Kml.GKhmfiau~lhmu2hL2h.5B,ardmaftaibffth.ANDb.Failureof+ite-specific)@adQaaImhinm15.2tumaulx.Op.ModeAppflcabllltY~1(PwrOps)~2(HSB)53(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)QAIISS1.1withinANDc.Failuretorestorepowerto~of~~MarM15minutesfromthetimeoflossofbothoffsiteandonsiteAGpower.SK.labilitxhaaitmrrttauirmfarttamllaumiftmaltdihalittraahmmrzauzmhr~Amia.71

PlantSpecificEALrodeline(A,H,S)IndianPointUnit2BasesLossofallAGpowercompromisesallplantsafetysystemsrequiringelectricpowerProlongedlossofallAGpowerwillcausecoreuncoveringandhssofcontainmentintegrity,thusthiseventcanescalatetoaGeneralEmergency.Th+sit~ci~timedurationshouldbeselectedtoexcludetransientormomentarypowerlosses,butshouldnotexceed15minutes.3.DftmgnBashDrtnltmftrti{DBEhr~mhm.Bm.9.19L15L912.QnftlinttDiagramrtflL2ahatrinalrlhfrihitfian2.EQMRBu.16.LQSRQEBLLhQRQMEB72

ICO:SS2Op.ModeAppllcabllltySS2.1PlantSpecificEALeline(A,H,S}IndianPointUnit2FailureofReactorProtectionsystemlnstrumentatlontocompleteorInitiateanautomaticreactorweam~onceaReactorProtectionsystemsetpolnthasbeenexceededandQKmanualeesmfrigwasnotsuccessful,andQZrphpgmgrggZrgiun.~1(PwrOps)Q2(HSB)Q3(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)QAII6EI~HIl~hHDailtmr;Eamrmmmhurafhnhinama1hftBmcmmnaisPlmRinlkmin.afiailiathartfmarmmmhumliun73

PlantSpecificEALeline(A,H,S)IndianPointUnit2Bases'hiarztndithnaddraaaaa;hmmanuattdnnrautgmathtrinlalhlhttfradhxamanua!tria~faihtnahutdmrathaiaaatgr.SHEBaaatnruttttar~PLAutomaticandmanualscramarenotconsideredsuccessfulifactionawayfromthereactorcontrolconsolewasrequiredtoscramthereactor.QKGIGuhz~BY=BEDnathhantaradhamianfaihirartfazmrangaindigatignMdagraamhtlnlfrFlfnlluninaaraagtgrtria,IhhadiuafihaEBLaddraamammanualtringrautnmath'trinmgnalhlhtfradhxamanualtrinntxhfaihtnabutdglfrntharmtgrinan@tantthattharmtzlaurrtduninamgiahaatinadfgr~thaaafattrmtalnammdamgnftd.IhlaatnditinnindimtaafaiturartfhdhihaautnmatinandmanualuratatfnnmtamatntrInihamachzinamiunctinnnithafaihiiartfa!tftrnatahnrathnmtatttmatnmdumamhznrttmKhalnt~rdanaxhaatifnfah.IhaatmhinatiannffaijurartfhnthfrnntJinamfhadulnurntaIzinnaltatanxinfunt:thninrmnnnaatnaaslanttrans!ant.ahnaMtithihaanniinuadarndut'tinnrtfhaa1nnaaaaslimtthraatinfuftldadandBQRintagritxandthuamarranhdagiaratignrtfaRtahamEmftiganm.AlthoughthisIGmaybeviewedasredundanttotheFissionProductBarrierDegradationIG,itsinclusionisnecessarytobetterassuretimelyrecognitionandemergencyresponse.EscalationofthiseventtoaGeneralEmergencywouldbeviaFissionProductBarrierDegradationorEmergencyDirectorJudgementICs.1.QKGIHL1.5uhzitigality.2.ELRi.Bing.MHKGEQHKIQEKLEhBZQEEB74

IC¹:SS3PlantSpecificEAL'eline(A,H,S}IndianPointUnit2LossofallvitalDCpower.Op.ModeApplfcabllltVS1(PwrOps)~2(HSB)53(HSD)D4(CSD)g5(Refuel)Q6(Defuel)QAIISS3.1"~uruadialkmafmlhmitttfiH1ianQttlhRRRitahkhhYQJimal9ffar325~EgEKEgngh21.22.23~Mforgreaterthan15minutes75

PlantSpecificEALeline(A,H,S)IndianPointUnit2BasesLossofallDCpowercompromisesabilitytomonitorandcontrolplantsafetyfunctions.ProhngedhssofallDCpowerwillcausecoreuncoveringandhssofcontainmentintegritywhenthereissignificantdecayheatandsensibleheatinthereactorsystem.EscalationtoaGeneralEmergencywouldoccurbyAbnormalRadLevels/RadiologicalEffluent,FissionProductBarrierDegradation,orEmergencyDirectorJudgementICs.Fifteenminuteswasselectedasathresholdtoexcludetransientormomentarypowerlosses.fhhrftggh3.DminBashDggutmftni{DBEhr~EKSXabun.~9.13L12R12.hOJ2~~2LQSSQE325&QZQEEB76

IC¹:SS4Qp.ModeAppllcabllltySS4.1PlantSpecificEAL~leline(A,H,S)IndianPointUnit2Completelossoffunctionneededtoachieveormalntalnhotshutdown.51(PwrOps)g2(HSB)g3(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)QAIICompletehssofany-(sit~peeifie)functionrequiredforhotshutdownmjoffjm~+QEQaaihftnHL3.HEhISHK77

PlantSpecificEALbeeline(A,H,S}indianPointUnit2BasesThisEALaddressescompletelossoffunctions,includingultimateheatsinkandreactivitycontrol,requiredforhotshutdownwiththereactoratpressureandtemperature.Undertheseconditions,thereisanactualmajorfailureofasystemintendedforprotectionofthepublic.Thus,declarationofaSiteAreaEmergencyiswarranted.EscalationtoaGeneralEmergencywoukloccurbyAbnormalRadLevels/RadiologicalEffluent,FissionProductBarrierDegradation,orEmergencyDirectorJudgementICs.Ehhrttauft;2mh5umhamadmaarau.152.uaru122mikikhr&fiailjuasfkhimttthhttfa.lahh2J.&3.umm1aari2.hruuftrahiTiltratuujrftmttah.78

IC¹:SS5LossofQHLwaterlevelPlantSpecificEAL(deline(A,H,S)IndianPointUnit2thathasorwilluncoverfuelInthe~Op.ModeApplfcabllltY51(PvvrOps)~2(HSB)53(HSD)~4(CSD)~5(Refuel)06(Defuel)QAllSS5.1LossofReactorVesselwaterlevelasindicatedby:EifhihaBmtur.lmalhhttiatmmmLiihmmhdihatymhrift~tftimihftBmiz~hduauiauinanuruznimllmfmattaftf:ml.amzmumhJilmbt.79 IfIP PlantSpecificEALCeline(A,H,S)IndianPointUnit2BasesUndertheconditionsspecifiedbythisIC,severecoredamagecanoccurandreactorcoolantsystempressureboundaryintegritymaynotbeassured.NForPWRs,thisICcoverssequencessuchasprohngedboilingfolhwinghssofdecayheatremoval.Thus,declarationofaSiteAreaEmergencyiswarrantedundertheconditionsspecifiedbytheIC.EscalationtoaGeneralEmergencyisviaradiohgicaleffluenceICAG1.llnauarxafihafuafirraauaatiraafihaattantihataauaaaauahfuafuoauanriaiuatiThallttnahnafttrdaalarlrtgaGhE.Sam@tharattantamuL4faatfQfualurzztary.infoldahutdatttnarrafualmudaarttharthanaftturtftfaaaXhtatrammalaauahilittt.ithinanartttzlatainhaaihaEKLanthiaanaattant.Earatharrtrtaratinamttdaa.fualunanttartriaalnaartfihaBGSantifuaiphdharnaianhhhmuiraaffaalaraihngfalhE.Bafaranaa;3.hhnarmalQaaratinltlnatrugtlttn~Ebu.1Q.LQSRQEBEGJDUhLHEhIBBd&8.5YGZRL2LUL92.80

ICOSI:SS6PlantSpecificEALIieline(A,H,S}IndianPointUnit2InabilitytomonitoraslgnlfleanttransientInprogress.Op.ModeApplicability~1(PwrOps)~2(HSB)~3(HSD)Q4(CSD)95(Refuel)Q6(Defuel)QAllSS6.1Allofthefollowingconditionsexist:a.Lossofmost{gggrgz.~gf-(ei~peeiffe)annunciatorsgr.jrtdjgalgraonanyQgntzlBggmEaaah.ANDb.QQ~QQaofI~are-isunavailable.ANDc.Indicationsneededtomonitor(eft~~fie)any.g{functionsareunavailable:BftagIgrBmr.lftiftrmadialaraggaZlLGuuuaBamtggurtla.RuuzBattgaSJB.QmIQa.jndigatigng{BQEarurtrtiag.ELKEuilBamtftattf{KnamjgBaogft.BQRErftaaurft.BQR~{QgjfILmImnuftraturL595ummtBamfalmLEithtEhm.RGEmaaurft.QgalaiamftrtfEmaurft.Qualairtiittftttilaud.QgtttaliamftrtlBadialjgrt.2ZBLmlANDd.Transientinprogress.81

PlantSpecificEALbeeline(A,H,S)IndianPointUnit2BasesThisICanditsassociateEALareintendedtorecognizetheinabilityofthecontrolroomstafftomonitortheplantresponsetoatransient.ASiteAreaEmergencyisconsideredtoexistifthecontrolroomstaffcannotmonitorsafetyfunctionsneededforprotectionofthepublic.(Si~ocific)Annunciatorsfor~jttlh;gigathisEALshouldbelimitedtoincludethoseidentifiedintheAbnormalOperatingProcedures,intheEmergencyOperatingProcedures,andinotherEALs(e.g.,radmonitors,etc.).'Compensatorynon-alarmingindicationsinthiscontextindudescomputerbasedinformationsuchasSPDS.Thisshouldincludeallcomputersystemsavailableforthisusedependingonspecificplantdesignandsubsequentretrofits.SignificantTransientincludesresponsetoautomaticormanuallyinitiatedfunctionssuchasscrams,runbacksinvolvinggreaterthan25%thermalpowerchange,ECCSinjections,orthermalpoweroscillationsof10/oorgreater.(Sii~ociffc)Indicationsneededtomonitorsafetyfunctionsnecessaryforprotectionofthepublicmustincludecontrolroomindications,computergeneratedindicationsanddedicatedannunciationcapability.Thespecificindicationsshouldbethoseusedtodeterminesuchfunctionsastheabilitytoshutdownthereactor,maintainthecorecooledandinaeoolablegeometty,toremoveheatfromthecore,tomaintainthereactorcoolantsystemintact,andtomaintaincontainmentintact.'PlannedactionsareexcludedfromthisEALsincethehssofinstrumentationofthismagnitudeisofsuchsignificanceduringatransientthatthecauseofthelossisnotanamelioratingfactor.EJIL32.HL2.Bm.3.QQBEQQQLIHG2.Hh2.Bfu.2.HEhIRHK6BKM1,jHIEGBIIYMf8I5IS8MEBt5.HL6.Blat.2.JtHEHIQEY82

IC¹:SG1PlantSpecificEALeline(A,H,S)IndianPointUnit2ProlongedlossofalloffsltepowerandprolongedlossofallonslteACpower.Op.ModeApptfoabtfftVg1(PwrOps)g2(HSB)g3(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)QAIISG1.1ProhngedhssofalloffsiteandonsiteAGpowerasindicatedby:a.Lossofpowerto-(sit~pacific):RathnkmimlrmfzmftraK2.553.5Kmi&khtfiiau822humRhl3h.$Bmd5hrmftgthfthf.ANDb.Failureof~specific)~EDQR212?Kld22~tglfrttrtieemergencybuses.ANDg.hilmirtrtfrgithahliglffinaauuKiiammhi;~Bmtgratiunafumrturftauir&amaulinumhmauitbia&~ftftfiMlhurh5QItilmly.QB~(Sit~fic)-fndicatioaof-continuing-degradatioaof-core-cooling-baseborn-Fission-QBBHGEarBEDmthmhhmHL2.~QQQL!HG83

PlantSpecificEALCeline(A,H,S)IndianPointUnit2BaSeSLossofallACpowercompromisesallplantsafetysystemsrequiringelectricpowerincludingRHR,ECCS,ContainmentHeatRemovalandtheUltimateHeatSink.ProlongedhssofallACpowerwillleadtohssoffuelclad,RCS,andcontainment.Thgel~peclflc)ghouretorestoreACpowercaa4ohbasedonsiteblackoutcopinganalysisperformedinconformancewith10CFR50.63andRegulatoryGuide1.155,"StationBlackout,asavailable,withappropriatealhwanceforoffsiteemergencyresponse.AlthoughthisICmaybeviewedasredundanttotheFissionProductBarrierDegradationIC,itsinclusionisnecessarytobetterassuretimelyrecognitionandemergencyresponse.ThisICisspecifiedtoassurethatintheunlikelyeventofprolongedstationblackout,timelyrecognitionoftheseriousnessoftheeventoccursandthatdeclarationofaGeneralEmergencyoccursasearlyasisappropriate,basedonareasonableassessmentoftheeventtrajectory.ThelikelihoodofrestoringiftgYjiftffggrft~~i~shouldbebasedonarealisticappraisalofthesituationsinceadelayinanupgradedecisionbasedononlyachanceofmitigatingtheeventcouldresultinalossofvaluabletimeinpreparingandimplementingpublicprotectiveactions.Inaddition,undertheseconditions,fissionproductbarriermonitoringcapabilitymaybedegraded.AlthoughitmaybedNiculttopredictwhenpowercanberestored,itisnecessarytogivetheEmergencyDirectorareasonableideaofhowquickly(s)hemayneedtodeclareaGeneralEmergencybasedontwomajorconsiderations:1.ArethereanypresentindicationsthatcorecoolingisalreadydegradedtothepointthatLossorPotentialLossoffissionproductbarriersisimminent?(iefocmatI~2.Iftherearenopresentindicationsofsuchcorecoolingdegradation,howlikelyisitthatpowercanberestoredintimetoassurethatalossoftwobarrierswithapotentiallossofthethirdbarriercanbeprevented?Thus,indicationofcontinuingcorecoolingdegradationmustbebasedonfissionproductbarriermonitoringwithparticularemphasisonEmergencyDirectorjudgementasitrelatestoimminentlossorpotentiallossoffissionproductbarriersanddegradedabilitytomonitorfissionproductbarriers.Bftfftrfmr.1.HL2.~QQQL5GBm.22.LaEarIHU22hEergfKQRifrHKh1ail2aihnPllKm2athnQladfgYiBuhEZBK622.QllQJI!lkDIRQfKBQfZ2ftjft~lkkir8?YiiQQ6Bltfftiftggff;QmianRuhDmmftrii{DfKQfgr~miftm.Bftlf.9.3QL1521.5EQBJh9BELMLQKQEEJ.hGPQYKBZBM284

IC¹:SG2Op.ModeAppllcabllltySG2.11.EKaathinBL1PlantSpecificEALeline(A,H,S)IndianPointVnit2FailureoftheReactorProtectionSystemtocompleteanautomatlcmmm~andmanual~m~wasnotsuccessfulandthereIsIndlcatlonofanextremechallengetotheabilitytocoolthecore.~1(PwrOps)Q2(HSB)Q3(HSD)Q4(CSD)Q5(Refuel)Q6(Defuel)QAIIAND2.Eitherofthefolhwing:BEDaatbuaihtQKGIHL2.3XHKQQQLIHG"85

.PlantSpecificEALbeeline(A,H,S)IndianPointUnit2BasesAutomaticandmanualscramarenotconsideredsuccessfulifactionawayfromthereactorcontrolconsoleisrequiredtoscramthereactor.UndertheconditionsofthisICanditsassociatedEALs,theeffortstobringthereactorsubcriticalhavebeenunsuccessfuland,asaresult,thereactorisproducingmoreheatthanthemaximumdecayheatloadforwhichthesafetysystemsweredesigned.Althoughtherearecapabilitiesawayfromthereactorcontrolconsole,suchasemergencyborationinPWRs,or-thecontinuingtemperatureriseindicatesthatthesecapabilitiesarenoteffective.Thissequencecouldbeaprecursorforacoremeltsequence.CSEESyhzilhalitlr=BKaathhtftrftdhamiaafaihtrftrtffmrmagftizfhathntndftf;umahftiulfrFlhlhmingaamhrtriL3hhngrtignafthftM.xhfmmuay.maaualtrinnrnutrtmnIigIrinmmalhllunft~fblramanualiriuutxhfaihtnahuirhlfmtharmhzhnamhatthatthftrmhzhuzfhginumnrahmtadfgruhhbthft~mhmmmrfftmanmLIhhmullioniaffiaaimfilmgfhdhihanutgmatigmfmuaualurgtftgtigamhmtntrinthftrmhziammmgtignlffithnfuitumnfCftrautfrhzsttignmhmaQrmhmutnghzmuu:~rfftm.htntimh.ForPWRs,theextremechallengetotheabilitytocoolthecoreisintendedtomeanthatthecoreexittemperaturesareatorapproaching1200'Forthatthereactorvesselwaterlevelisbelowthetopofactivefuel.ForplantsusingCSFSTs,thisEALequatestoaCoreCoolingREDcondition.Anotherconsiderationistheinabilitytoinitiallyremoveheatduringtheearlystagesofthissequence.ForPWRs,ifemergencyfeedwaterflowisinsufficienttoremovetheamountofheatrequiredbydesignfromatleastonesteamgenerator,anextremechallengeshouldbeconsideredtoexist.ForplantsusingCSFSTs,thisEALequatestoaHeatSinkREDcondition.~Intheeventeitherofthesechallengesexistatatimethatthereactorhasnotbeenbroughtbehwthepowerassociatedwiththesafetysystemdesign(typically3to5%power)acoremeltsequenceexits.Inthissituation,coredegradationcanoccurrapidly.Forthisreason,theGeneralEmergencydeclarationisintendedtobeanticipatoryofthefissionproductbarriermatrixdeclarationtopermitmaximumoffsiteinterventiontime.86

PlantSpecificEALideline(FPB)IndianPointUnit2PWRFPB1C¹:FC1.Barrfel'uelCladdinDescription:CriticalSafetyFunctionStatusType:PotentialLossFC1.2FC1.3HeaNiak-RED~jn~~gg~/gg~Bases:CoreCooling-ORANGEindicatessubcoolinghasbeenhstandthatsomecladdamagemayoccur.HeatSink-REDindicatestheultimateheatsinkfunctionisunderextremechallengeandthusthesetwoitemsindicatepotentiallossofthefuelcladbarrier.i.HL2.Hm.2.QQBEQQQLSG?EKB.Ebs?OKRA87

PlantSpecificEALuideline(FPB)IndianPointUnit2PWRFPBICg:FC2Barrier:FuelCladdinDescrlptlon:PrimaryCoolantActivityLevelType:LossFC2.1CoolantactivitygreaterthanBases:This~~pec~valuecorrespondsto300pCi/ccl-131equivalent.AssessmentbytheNUMARCEALTaskForceindicatesthatthisamountofcoolantactivityh~elLabouecorrespondstoabout2/oto5%fueldaddamage.Thisamountofcladdamageindicatessignificantdadheatingandthusthefuelcladbarrierisconsideredhst.g~haltaaftanifrattaluatinnrtfnnniantantbdtxaanniatatfmithPlahlaaituittanaamufnrmfttf.Ihanahulatinnnaahattd.urtttnEQGatratfatnagaaaataamantaurnatttrmaanrfmatfaihaznattntathtaaaaumfttfttnihatiha821~ttuntaiantanthdthla2xLQianuzttittrmf2xKKKQ.BmtfnnaKLQEgaLBGSzfumtt5.ERE.iharttaultinaaslantthaaaamt~ianffanuinagftha~~Qitumhitilauniutttttfn.thtiftlanfl~trtftntntthattthftafthennutnhftra~tmrtaiafthaahtftnifftgl&tfhuafttharuhmuuu&tfhtrHUfdhBQ.Thereisnoequivalent"PotentialLoss"EALforthisitem.LaEerfuunQ.GamerMELIhrnaZtVl222hL&nhnildmflhala~88

PlantSpecificEAuideline(FPB)IndianPointUnit2PWRFPBIC¹:FC3Barrier:FuelCfaddinDesorlptfort:CoreExitThermocoupleReadingsType:LossFC3.1Greatertha+sit~peciTQ~gBases:TheLoss"EA+si~peci~readingshouldcorrespondtosignificantsuperheatingofthecoolant.Thisvaluetypicallycorrespondstothetemperaturereadingthatindicatescorecooling-REDinfuelcladbarrierEAL¹1whichisusuallyabout1200'F.Ehhmm;EKKQQBE22QL59.~289

PlantSpecificEALIIIuideline(FPB)IndianPointUnit2PWRFPBII%:FC3Barrier:FuelCladdinDescrlptlon:CoreExit'IhermocoupfeReadingsType:PotentialLossFC3.2Greaterthan~~NigZEXBases:ThePotentialLossEA+si~poc~readingshouldcorrespondtohssofsubcooling.Thisvaluetypicallycorrespondstothetemperaturereadingthatindicatescorecooling-ORANGEinfueldadbarrierEAL¹1whichisusuallyabout700to900'F.5giZ331hm4lignum~gfQSEQI~QQfKgd2QL5990

PlantSpecificEALlIIideline(FPB)indianPointUnit2PWRFPBIC¹:FC4Barrier:FuelCladdinDescription:ReactorVesselWaterLevelType:PotentialLossFC4.1Bases:Thereisno"Loss"EALcorrespondingtothisitembecauseitisbettercoveredbytheotherfuelcladbarrier"Loss"EALs.The+~peci~valueforthe'PotentialLossEALcorrespondstothetopoftheactivefuel.ForsitesusingCSFSTs,the"PotentialLoss"EALisdefinedbytheCoreCooling-ORANGEpath.Th~~pecif+valueinthisEALshouldbeconsistentwiththeCSFSTvalue.91

PlantSpecificEALsideline(FPB)IndianPointUnit2PWRFPBIC¹:FC5Barrier:FuelCiaddinDescription:ContainmentRadiationMonitorReadingType:LossFC5.1Containmentradmonitorreadinggreaterthagsitaspec+fZQdZZjnfimittffKE5grBZBases:The+~pecif~eadingisavaluewhichindicatesthereleaseofreactorcoolant,withelevatedactivityindicativeoffueldamage,intothecontainment.Thereadingshouldbecalculatedassumingtheinstantaneousreleaseanddispersalofthereactorcoolantnoblegasandiodineinventoryassociatedwithaconcentrationof300pCilgmdoseequivalentI-131intothecontainmentatmosphere.Reactorcoolantconcentrationsofthismagnitudeareseveraltimeslargerthanthemaximumconcentrations'llowedwithintechnicalspecificationsandarethereforeindicativeoffueldamage(approximately2-5%dadfailuredependingoncoreinventoryandRCSvolume).ThisvalueishigherthanthatspecifiedforRCSbarrierhssEAL¹4.Thus,thisEALindicatesalossofboththefuelcladbarrierandalossofRCSbarrier.Ih~allah~hfIIallhd&~hIERalahlMIHIIIKld9~~Ih,rmzmhham/ugftftPhafitmEQGaaumumhrmzdihttummrtihnrtfhuviauazihtmtuirmtutturfrjnmafahurtfmiuithhfinmjrtujuffmLjihfurihftr~umftff1ba1riddmxhmrtfgurrfttfmditmmLemrtfamtuntiuitmaz1aittmftrtiafaumhftrfthimiaa1aneummifhnurftmutraLThereisnoPotentialLoss"EALassociatedwiththisitem.Ehfftrftrzft;92

PlantSpecificEAL%ideline(FPB)IndianPointUnit2PWRFPBIC¹:FC6Barrier:FuelCladdinDescription:Other(sitespecific)indicationsType:LossFC6.1Bases:ThisEAListocoverother~taepocifQindicationsthatmayindicatelossorpotentialhssofthefuelciadbarrier,includingindicationsfromcontainmentairmonitorsoranyotherQ~Q54Minstrumentation.93

PlantSpecificEALIILtideline(FPB)IndianPointUnit2PWRFPBICg:FC6Barrier:FuelCladdinDescription:Other(site-specific)IndicationsType:PotentialLossFC6.2Bases:ThisEAListocoverothergsitacpeci~indicationsthatmayindicatelossorpotentiallossofthefuelcladbarrier,includingindicationsfromcontainmentairmonitorsoranyother+~peel~instrumentation.94

PlantSpecificEALideline(FPB)IndianPointUnit2=PWRFPBICg:FC7Barrier:FuelCladdinType:Loss/Pot.LossDescription:EmergencyDirectorJudgementFC7.1AnyconditionintheopinionoftheEmergencyDirectorthatindicateshssorpotentiallossofthefuelcladbarrierBases:ThisEALaddressesanyotherfactorsthataretobeusedbytheEmergencyDirectorindeterminingwhetherthefuelcladbarrierislostorpotentiallylost.Inaddition,theinabilitytomonitorthebarriershouldalsobeincorporatedinthisEALasafactorinEmergencyDirectorjudgementthatthebarriermaybeconsideredlostorpotentiallylost.(SeealsoICSG1,ProhngedLossofAllOffsitePowerandProhngedLossofAllOnsiteACPower",foradditionalinformation.)95

PlantSpecificEA~sideline(FPB)indianPointUnit2PWRFPBIC¹:RCS1Barrier:RCSDescription:CriticalSafetyFunctionStatusType:PotentialLossRCS1.1BCaiategrity-Red~ga~~QQIQ'.RCS1.2HeebSiak-Red~gg~~Qg~~~ggggjgfBases:ThisEALisforPWRsusingCriticalSafetyFunctionStatusTree(CSFST)monitoringandfunctionalrecoveryprocedures.~REDpathindicatesanextremechallengetothesafetyfunctionderivedfromappropriateinstrumentreadings,andtheseCSFsindicateapotentiallossofRCSbarrier.ThereisnoLoss"EALassociatedwiththisitem.

Reference:

1.F-0.3,Rev.2,HEATSINK2.F-0.4,Rev.3,INTEGRITY96

PlantSpecificEAL&ideline(FPB)IndianPointUnit2PWRFPBIC¹:RCS2Description:RCSLeakRateBarrier:RCSType:LossRCS2.1GreaterthanavailablemakeupcapacityasindicatedbyfKREBEGSUBE{P2R;BQGSEGQQL!HGXQKBLQ2HIMD&299%Lid29lK9x{m5911K9XQRB1001-250015f94)ftttmafiaa{hamhmulimarihriunhraaimlhng{RmEZ~Bases:The"LossEALaddressesconditionswhereleakagefromtheRCSisgreaterthanavailableinventorycontrolcapacitysuchthatalossofsubcoolinghasoccurred.ThelossofsubcoolingisthefundamentalindicationthattheinventorycontrolsystemsareinadequateinmaintainingRCSpressureandinventoryagainstthemasslossthroughtheleak.97

PlantSpecificEALGuideline(FPB)IndianPointUnit2PWRFPBICN:RCS2Description:RCSLeakRateBarrier:RCSType:PotentialLossUaisolabfaRCSleakexceedingthecapacityofonechargingpumpinthenormalchargingmode(gQgrgz,~gal+Bases:The"PotentialLoss"EALisbasedontheinabilitytomaintainnormalliquidinventorywithintheReactorCoolantSystem(RCS)~~jttajtagRKXREfR~QQQRQIItQfQQttQbatgjtlgQlllHQ..InconjunctionwiththeSGTubeRupture'PotentialLoss"EALthisassuresthatanyeventthatresultsinsignificantRCSinventoryshrinkageorloss(e.g.,eventsleadingtoreactorscramandECCSactuation)willresultinnolowerthananAlertemergencyclassification.98

PlantSpecificEALbideline(FPB)indianPointUnit2PWRFPBIC¹:RCS3Descrlptlort:SGTubeRuptureBarrier:RCSType:LossRCS3.1Unisolatedfaulted(outsideVC)rupturedsteamgeneratorBases:ThisEALisintendedtoaddressthefullspectrumofSteamGenerator(SG)tuberuptureeventsinconjunctionwithcontainmentbarrier"Loss"EAL¹4andfuelcladbarrierEALs.TheLoss"EALaddressesrupturedSG(s)withanunisolablesecondarylinebreakcorrespondingtothelossof2o3fissionproductbarriers(RCSbarrierandcontainmentbarrier-thisEALwillalwaysresultincontainmentbarrier'LossEAL¹4).Thisallowsthedirectreleaseofradioactivefissionandactivationproductstotheenvironment.Resultantoffsitedoseratesareafunctionofmanyvariables.Examplesinclude:coolantactivity,actualleakrate,SGcarryover,iodinepartitioning,andmeteorology.Therefore,doseassessmentinaccordancewithICAG1,'SiteBoundaryDoseResultingfromanActualorImminentReleaseofGaseousRadioactivitythatExceeds1000mRWholeBodyor5000mRChildThyroidfortheActualorProjectedDurationoftheReleaseUsingActualMeteorohgy",isrequiredwhenthereisindicationthatthefuelmatrix/cladispotentiallylost.(Si~ociffc)indicationshouldbeconsistentwiththediagnosticactivitiesoftheemergencyoperatingprocedures(EOPs)+~aIIable.Thisshouldindudeindicationofreductioninprimarycoolantinventory,increasedsecondaryradiationlevels,andanuncontrolledorcompletedepressurizationoftherupturedSG.Secondaryradiationincreasesshouldbeobservedviaradiationmonitoringofcondenserairejectordischarge,SGbhwdown,mainssteam,and/orSGsamplingsystem.Determinationoftheuncontrolled"depressurizationoftherupturedSGshouldbebasedonindicationthatthepressuredecreaseintherupturedsteamgeneratorisnotafunctionofoperatoraction.ThisshouldpreventdeclarationbasedonadepressurizationthatresultsfromanEOPinducedcooldownoftheRCSthatdoesnotinvolvetheprohngedreleaseofcontaminatedsecondarycoolantfromtheaffectedSGtotheenvironment.ThisEALshouldencompasssteambreaks,feedbreaks,andstuckopensafetyorreliefvalves.Bfthrftagm;1hQI12BID1KZLhhiQEtKBBIQBILIKLE%12LiiL922.HLBELIALBEEQIQB3BZQBSAHHYJHdEGIIQH.~/9?3.M~QamatarMmBtta1urfL99

PlantSpecificEALGuideline(FPB)IndianPointUnit2PWRFPBIC¹:RCS3Desol'lptlotl:SGTubeRuptureBarrier:RCSType:PotentialLossRCS3.2GGruhrruttfurnaaithntififtdlnM~GanaratnrIudBurtturfbPHDBGRiftnlrngftrt~tnftttd~theaaannitxhLiGZhDnia~chargingrtutuLBases:The"PotentialLoss"EALisbasedontheinabilitytomaintainnormalliquidinventorywithintheReactorCoolantSystem(RCS)bynormaloperationoftheChemicalandVolumeControlsystemwhichisconsideredasoneeeatrffuc}algbnrgjngpumpdischargingtothechargingheader.InconjunctionwiththeRCSleakratePotentialLoss"EALthisassuresthatanyeventthatresultsinsignificantRCSinventoryshrinkageorloss(e.g.,eventsleadingtoreactorscramandECCSactuation)willresultinnolowerthanan"Afert"emergencyclassification.3.hQl12.Bfnt.19.BIERGElKBh22BIUBELBK17l1192?~BED19.BEBGIQBIBEQBGhEEIYJHdEGIIQhLM11L9?2.M~RumrnhztuhftBunlurfL100

PlantSpecificEALGuideline(FPB)IndianPointUnit2PWRFPBICg:RCS4Barrier:RCSDescription:ContainmentRadiationMonitoringType:LossRCS4.1HauidrheaEHiarELRmfhmlaatmnuhadiYitx)Kl{EhaQuQLzaadimemiagBases:Th~i~poci~readingisavaluewhichindicatesthereleaseofreactorcoolanttothecontainment.Thereadingshouldbecalculatedassumingtheinstantaneousreleaseanddispersalofthereactorcoolantnoblegasandiodineinventoryassociatedwithnormaloperatingconcentrations(i.e.,withinTIS)intothecontainmentatmosphere.ThisreadingwillbelessthanthatspecifiedforfuelcladbarrierEAL¹5.Thus,thisEALwouldbeindicativeofaRCSleakonly.IftheradiationmonitorreadingincreasedtothatspecifiedbyfuelcladbarrierEAL¹3,fueldamagewouldalsobeindicated.However,ifthesite-specificphysicallocationofthecontainmentradiationmonitorissuchthatradiationfromachudofreleasedRCSgasescouldnotbedistinguishedfromradiationfromnearbypipingandcomponentscontainingelevatedreactorcoolantactivity,thisEALshouldbeomittedandothersite-specificindicationsofRCSleakagesubstituted.Thereisno"PotentialLoss"EALassociatedwiththisitem.101

PlantSpecificEALsideline(FPB)indianPointUnit2PWRFPBICN:RCS5Barrier:RCSDescription:Other(Site-specific)indicationsType:LossRCS5.1Bases:ThisEAListocoverother~azpec~indicationsthatmayindicatelossorpotentiallossoftheRCSbarrier,includingindicationsfromcontainmentairmonitorsoranyother(ei~eciinstrumentation.102

PlantSpecificEALNIjideline(FPB)indianPointUnit2PWRFPBICg:RCS5Barrier:RCSDescription:Other(site-specific)IndicationsType:PotentialLossRCS5.2Bases:ThisEAListocoverother(site-specific)indicationsthatmayindicatelossorpotentiallossoftheRGSbarrier,includingindicationsfromcontainmentairmonitorsoranyother(site-specific)instrumentation.103

PlantSpecificEALideline(FPB)indianPointUnit2PWRFPBIC¹:RCS6Barrier:RCSDescription:EmergencyDirectorType:Loss/Pot.LossRCS6.1AnyconditioninthejudgmentoftheEmergencyDirectorthatindicateslossorpotentiallossoftheRCSbarrier.Bases:ThisEALaddressesanyotherfactorsthataretobeusedbytheEmergencyDirectorindeterminingwhethertheRCSbarrierislostorpotentiallylost.Inaddition,theinabilitytomonitorthebarriershouldalsobeincorporatedinthisEALasafactorinEmergencyDirectorjudgementthatthebarriermaybeconsideredhstorpotentiallylost.(SeealsoICSG1,"ProhngedLossofAllOffsitePowerandProhngedLossofAllOnsiteACPower,foradditionalinformation.)104

PlantSpecificEALuideline(FPB)IndianPointUnit2PWRFPBICN:PC1Barrier:PrimaContainmentDescription:CriticalSafetyFunctionStatusType.PotentialLossPC1.1CoatairuttentRed~fta~Bases:ThisEALisforPWRsusingCriticalSafetyFunctionStatusTree(CSFST)monitoringandfunctionalrecoveryprocedures.~REDpathindicatesanextremechallengetothesafetyfunctionderivedfromappropriateinstrumentreadingsand/orsamplingresults,andthusrepresentsapotentiallossofcontainment.ConditionsleadingtoacontainmentREDpathresultfromRCSbarrierand/orfueldadbarrierloss.~~~fjggIfgfttg~ftf~ftiZ}L"~~@thtfbftfftfi~~gLftmfjtgf~ftf~Thus,thisEALisprimarilyadiscriminatorbetweenSiteAreaEmergencyandGeneralEmergencyrepresentingapotentiallossofthethirdbarrier.Thereisno"Loss"EALassociatedwiththisitem.105

PlantSpecificEALideline(FPB)IndianPointUnit2PWRFPBICg:PC2Barrier:PrimaContainmentDescription:ContainmentPressureType:LossPC2.<Rapid~exptaineditg~hfidecreaseinContainmentPressurefollowinginitialincreasePC2.2containmentpressureorsumplevelresponsenotconsistentwithLOCAconditions.LLtmftzgttg&gJm~uzuriafhmuamamifta~ihaimaftiftttulainabhfhftEafiftra1armfhmarmiftfnaiigmhmadiftm.Bases:Rapidunexplainedlossofpressure(i.e.,notattributabletocontainmentspray~~Qgftiittg~orcondensationeffects)followinganinitialpressureincreaseindicatesalossofcontainmentintegrity.ContainmentpressureandsumplevelsshouldincreaseasaresultofthemassandenergyreleaseintocontainmentfromaLOCA.Thus,sumplevelorpressurenotincreasingindicatescontainmentbypass(V-sequence)andahssofcontainmentintegrity.106

'L PlantSpecificEALRideline(FPB)IndianPointUnit2PWRFPBIC¹:PC2Barrier:PrimaContainmentDescrfptfon:ContainmentPressureType:PotentialLossPC2.3+pacific)+psigandincreasingPC2.4PC2.5Lm1hanihlmlfiimumQQLtiainalftfttauliftaadmuurdaftQttiQtnftrtiumuiinaBases:The~~pacific)~psigforpotentiallossofcontainmentisbasedonthecontainmentdesignpressure.Existenceofanexplosivemixture~hfdLQftfta)meansahydrogenandoxygenconcentrationofatleastthehwerdeflagrationlimitcurveexists.TheindicationsofpotentiallossunderthisEALcorrespondstosomeofthoseleadingtotheREDpathinEAL¹1aboveandmaybedeclaredbythosesitesusingCSFSTs.Asdescribedabove,thisEALisprimarilyadiscriminatorbetweenSiteAreaEmergencyandGeneralEmergencyrepresentingapotentialhssofthethirdbarrier.ThesecondpotentiallossEALrepresentsapotentialhssofcontainmentinthatthecontainmentheatremovaVdepressurizationsystem~containmentsprays,EaaQgghr,butnotincludingcontainmentventingstrategies)areeitherhstorperforminginadegradedmanner,asindicatedbycontainmentpressuregreaterthanthesetpointatwhichtheequipmentwassupposedtohaveactuated.fhfmuzL'RQihflQQfKQilQQBcQQfkdlEfl{GQ2l32%1.2lgdLQgfiQBQQKlitiflQlR"QRQfl1,QUALM~ilhtiKfQ!02'litt'Lieu.HQMfftYQE.fQfflQ!fQQE1YKithQillQt:QlaQh'.EARWmillhamad.2.1IQfhiftdEG83.Qhmiftr5.uam~L1Z.uzi.2.2.QGEDmhaLmDmalfmiLEKD.Ebu.9.19QLRi.8Ih~BBRMHIBI5.HZ~HfhlaiQrIris'ah1Xlai&iQa.hCZhm&mfJV'f07

PlantSpecificEALideline(FPB)indianPointUnit2PWRFPBICN:PC3Barrier:PrimaContainmentDescription:ContainmentIsolationValveStatusAfterContainmentIsolationType:LossPC3.1Either;~Qrmnrn~~Qr~fpQrQQValve(s)notclosedIfdtftarfgttirftgQRlnnhilitxtQimhhmxQrimanrmhmdhf:hargiltnmltt2rhQQatniamftatANDdownstrokeradioloaicalreleaseaathuavtotheenvironmentexistsasaresultBases:ThisEALisintendedtoaddressincompletecontainmentisolationthatallowsdirectreleasetotheenvironment.Itrepresentsalossofthecontainmentbarrier.~glERR~nttITItyg~KEQamKfK@QE~QhnrginQ~QQatniam9nL~ttitiiaKflriftfftQQQQtMrftIlaiKJQtn@R~frnmQE2kQEMxRLkfKQRYthhil~headtlmaztaiamftathQIIathochltttdtiahftithtrriQnnthmmbanatiQizdatinafmztianaQrQrntfifhasHmirftifmmuathhrrthtQtnrQQQlaatQtthifhthnszataiarnftaLThereisno"PotentialLoss"EALassociatedwiththisitem.EhfftrftaQII;108

PlantSpecificEALGuideline(FPB)indianPointUnit2PWRFPBIC¹:PC4Barrier:PrimaContainmentDescription:SGSecondarySideReleasewithPrimarytoSecondaryLeakageType:LossPC4.1gftiatiahittreleaseofsecondarysidetoatmospherefzmfhtgfggffttf~gttttfttafttt+withprimatytosecondaryleakagegreaterthantechspecallowablegfRRGEhlinauxataamgftftttmtarBases:ThisEALaddressesSGtuberuptures.Llahtthhhaamadan<ai~hatittaautuatmusaharaitahtthftttttflinaar~litttthraahammllaa~@uticaaaftttttat:aiamahtrigralittf~tabtttathataaanuihttisttlattttfgrzahglatignhaahtttta~ftgttttfhgthtt~5~grafttata'5rgttttittttf>ht~fzglatttgould'gghfahahaggttttitttfundertheEhLForsmallerbreaks,notexceedingthenormalchargingcapacitythreshokfinRCSbarrier"PotentialLoss"EAL¹2(RCSleakrate)orEAL¹3(SGtuberupture),thisEALresultsinanUnusualEvent.Forlargerbreaks,RCSbarrier'LossorPotentialLossEAL¹2wouldresultinanAlert.ForSGtuberuptureswhichmayinvolvemultiplesteamgeneratorsorunisolablesecondarylinebreaks,thisEALwouldexistinconjunctionwithRCSbarrier"LossEAL¹3andwouldresultinaSiteAreaEmergency.EscalationtoGeneralEmergencywouldbebasedonPotentialLoss"ofthefuelcladbarrier.109

PlantSpecificEALsideline(FPB)IndianPointUnit2PWRFPBICg:PC5Barrier:PrimaContainmentDesoriptlort:SignificantRadioactiveInventoryinContainmentType:PotentialLossPC5.1ContainmentradiationmonitorreadinggreaterthKEbrziadiztarIQQELKzELKBases:The~~ac)readingisavaluewhichindicatessignificantfueldamagewellinexcessoftheEALsassociatedwithbothlossoffuelcladandhssofRCSbarriers.AsstatedinSection3.8,amajorreleaseofradioactivityrequiringoffsiteprotectiveactionsfromcoredamageisnotpossibleunlessamajorfailureoffuelcladdingallowsradioactivematerialtbereleasedfromthecoreintothereactorcoolant.Regardlessofwhethercontainmentischallenged,thisamountofactivityincontainment,ifreleased,couldhavesuchsevereconsequencesthatitisprudenttotreatthisasapotentiallossofcontainment,suchthataGeneralEmergencydeclarationiswarranted.NUREG-1228"SourceEstimationsDuringIncidentResponsetoSevereNuclearPowerPlantAccidents,"indicatesthatsuchconditionsdonotexistwhentheamountofcladdamageislessthan2o/o.Unlessthereisa(site-specific)analysisjustifyingahighervalue,itisrecommendedthataradiationmonitorreadingcorrespondingto20%fuelcladdamagebespecifiedhere.2~dlalM'hlII'llIh&~lIERiaahlMIEIINEEkl'lCE!!tEUI~Ihrft~gnMhttantffuQQQ~QfMY5QQQQ~QEERQartthk~umatjaaQtttaldaQQgthK~mhtuEIQ52atajataftatElglhfl!ERHEju~itJRiurthftr2&uQErithatMnrjftgaxhumzurrftdmd.thumbmarkamlaattQtlmmataiamftatatmmhftrfthirutaataaftauQuiihQQrftmatfQLThereisno"PotentialLossEALassociatedwiththisitem.3.QuhulaljaadmdhMiajftttftrframD65mithh,B.Bum9lR92110

PlantSpecificEALideline(FPB)IndianPointVnit2PWRFPBIC¹:PC6Description:Barrier:PrimaContainmentType:PotentialLossPC6.1Coreexitthermocouplesinexcessot1200'Fandrestorationprocedures~J.BEQEQHKIQJJJfgZQMIEQQBEQQQLJHgfM4BEGEQHKIQQE9HIDEDQZK92QL59QK2.BEKQHKIQ5hlUHEXQQZjEQQQL59"noteffectivewithin15minutesPC6.2Coreexitthermocouplesinexcessof700'FwithRVLISNaturalCirculationRangelessthan39%withnoRCPsrunning,orRVLISRCPRunningrangelessthan44%with4RCPsrunning,or30%with3RCPsrunning,or20%with2RCPsrunning,or13%with1RCPrunningandrestorationproceduresJE~BE555KIQ5gEQUgf=.QQBEQQQL59.EUgBESPOKEDE9BKEQQBEKKHJH9.EELQ2.BEZQHKZQMIllBBIEDQQf3EQQQL59)noteffectivewithin15minutesBases:InthisEAL,thefunctionrestorationproceduresarethoseemergencyoperatingproceduresthataddresstherecoveryotthecorecoolingcriticalsafetyfunctions.Theprocedureisconsideredeffectiveifthetemperatureisdecreasingorifthevesselwaterlevelisincreasing.TheconditionsinthispotentiallossEALrepresentimminentmeltsequencewhich,ifnotcorrected,couldleadtovesselfailureandanincreasedpotentialforcontainmentfailure.InconjunctionwiththecoreexitthermocoupleEALsinthefuelandRCSbarriercolumns,thisEALwouldresultinthedeclarationofaGeneralEmergency-lossoftwobarriersandthepotentialhssofathird.Itthefunctionrestorationproceduresareineffective,thereisnot"success"path.Severeaccidentanalyses(e.g.,NUREG-1150)haveconcludedthatfunctionrestorationprocedurescanarrestcoredegradationwithinthereactorvesselinasignificantfractionofthecoredamagescenarios,andthatthelikelihoodofcontainmentfailureisverysmallintheseevents.Giventhis,itisappropriatetoprovideareasonableperiodtoallowfunctionrestorationprocedurestoarrestthecoremeltsequence.Whetherornotprocedureswillbeeffectiveshouldbeapparentwithin15minutes.TheEmergencyDirectorshouldmakethedeclarationassoonasitisdeterminedthattheprocedureshavebeen,orwillbeeffective.Thereactorvessellevelchosenshouldbeconsistentwiththeemergencyresponseguidesapplicabletothefacility.Thereisno"LossEALassociatedwiththisitem.111

PlantSpecificEALN4ideline(FPB)indianPointUnit2PWRFPBIC¹:PC7Barrier:PrimaContainmentDescription:Other(site-specific)indicationsType:LossPC7.1Ml~QNQQQRMQRKkKRfut:2illsQBlaahfTilrM~amiairtfttftuiumxumrftliftfuruurgftmhmmhhhrmdhlflarudiutugimlmhmauuihnm.tulhl~irztUmtftlhr~dMBases:ThisEALshouldcoverother~speciindicationsthatmayunambiguouslyindicatehssorpotentialhssofthecontainmentbarrier112

PlantSpecificEALuideline(FPB)IndianPointUnit2PWRFPBICg:PC7Barrier:PrimaContainmentDesorlptlon:Other(site-specific)indicationsType:PotentialLossPC7.2Bases:ThisEALshouldcoverother(site-specific)indicationsthatmayunambiguouslyindicatelossorpotentialhssofthecontainmentbarrier,includingindicationsfromareaorventilationmonitorsincontainmentannulusorothercontiguousbuildings.113

PlantSpecificEALsideline(FPB)IndianPointUnit2PWRFPBICg:PC8Barrier:PrimaContainmentDescription:EmergencyDirectorJudgementType:Loss/Pot.LossPC8.1AnyconditioninthejudgmentoftheEmergencyDirectorthatindicateslossorpotentiallossofthecontainmentbarrierBases:ThisEALaddressesanyotherfactorsthataretobeusedbytheEmergencyDirectorindeterminingwhetherthecontainmentbarrierishstorpotentiallylost.Inaddition,theinabilitytomonitorthebarriershouldalsobeincorporatedinthisEALasafactorinEmergencyDirectorjudgementthatthebarriermaybeconsideredlostorpotentiallylost.(SeealsoIGSG1,"ProhngedLossofAllOffsitePowerandProlongedLossofAllOnsiteACPower",foradditionalinformation.)114

PlantSpecificEAL%ideline(FPB)indianPointUnit3PWRFPBIC¹:FC1Barrier:FuelCladdinDescrfptfotl:CriticalSafetyFunctionStatusType:LossFC1.1CoreCooling-RED~g~QQQEQQQIJ59Bases:CoreCooling-REDindicatessignificantsuperheatingandcoreuncoveryandisconsideredtoindicatelossoftheFuelCladBarrier.fhhrmmft;1QGKER2.QuraQzliag.Hftma2115

OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0FissionProductBarrierEvaluationRevision0ConsolidatedEdisonCo.IndianPointStationUnit25/17/94OperationsSupportServices,Inc.233WaterStreet2ndFloorPlymouth,MA02360 xlJ OSSI92M2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0EvaluationofIP-2FissionProductBarrierEmerencActionLevelsTheFissionProductBarrier(FPB)degradationcategoryforaPWRplantisillustratedinthefollowingtablewhichisdesignated"Table4"inNESP-007,Revision2.TheInitiatingCondition(IC)foreachofthefouremergencyclassiQcations(UnusualEvent,Alert,SiteAreaEmergency,andGeneralEmergency)aredesignatedFUl,FAl,FSl,andFGl,respectively.EachICisdefinedbyoneormoreEALsorcombinationofEALswhichareindicativeofalossorpotentiallossofoneormoreofthethreefissionproductbarriers,Thethreefissionproductbarriersare:~FuelClad(FC)~ReactorCoolantSystem(RCS)~PrimaryContainment(PC)NESP-007,Revision2,prescribesexampleEALsforeachofthethreeQssionproductbarriers.AnEALisdefinedbyoneormoreplantconditions.Forexample,therearesevenFCbarrierwimpleEALs,eightRCSbarrierexampleEALs,andelevenPCexampleEALs.EachEALmayconsistofoneormoreconditionsrepresentingalossofthebarrierandapotentiallossofthebarrier.SomeEALsmayhaveonlylossconditions,othersonlypotentiallossconditions,somehavebothlossandpotentiallossconditions.EachEALisgivenasequentialnumberinTable4.Inthefollowinglist,NESP-007EALswithadefinedcondition(i.e.,labeledasneeding"site-specific"inputinTable4)areidentiQedwitha"yes",andthosewithoutadeQnedcondition(i.e.labeled"notapplicable"inTable4)areidentiQedwitha"no":

sW, OSSI92M2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0~BrrlrEAL¹NUMARC~I~PLg~IP2PPPLESRCSlalb23567lalb23a3b45612a2b2c356a6b78YesYesNoYesYesNoYesYesNoYesYesNoYesYesYesYesNoYesNoYesYesYesYesYesYesNoYesNoYesYesYesYesr'oYesYesYesYesYesNoYesYesNoY'esNoNoYesNoYesNoYesYesYesYesYesYes(FC1.1)NoYes(FC2.1)Yes(FC3.1)NoYes(FC5.1)NoYes(FC7.1)NoNoYes(RCS2.1)Yes(RCS3.1)NoYes(RCS4.1)NoYes(RCS61)NoYes(PC2.1)Yes(PC2.2)NoYes(PC3.1)Yes(PC4.1)NoNoNoYes(PC7.1)Yes(PC8.1)Yes(FC1.2)Yes(FC1.3)NoYes(FC3.2)Yes(FC4.1)NoNoYes(FC7.1)Yes(RCS1.1)Yes(RCS1.2)Yes(RCS2.2)NoYes(RCS3.2)NoNoYes(RCS6.1)Yes(PCl.l)Yes(PC2.3)Yes(PC2.4)Yes(PC2.5)NoNoYes(PC5.1)Yes(PC6.1)Yes(PC6.2)NoYes(PCS.1)BasedontheclassificationkeygivenatthebeginningofTable4,thenumberofexampleEALs,andthenumberoflossandpotentiallossconditions,thesetofconditionsthatcanyieldagivenemergencyclassificationcanbecomputed.Themaximum,theoreticallypossiblesetofconditionsthatcanyieldanUnusualEventclassificationisgivenincolumn1ofTableA.TheseconsistofthePClossandPCpotentiallossconditio'ns.Themaximum,theoreticallypossiblesetofconditionsthatcanyieldanAlertclassificationisgivenincolumn1ofTableB.TheseconsistofFClossandpotentiallossconditions,andRCSlossandpotentiallossconditions.

t OSSI92M2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0Themaximum,theoreticallypossiblesetofconditionsthatcanyieldaSiteAreaEmergencyclassificationisgivenincolumn1ofTableC.Theseconsistofanyofthefollowingconditions:~LossofFCandRCS,or~PotentiallossofFCandRCS,or~PotentiallossofFCorRCSandLossofanotherbarrierThethirdsetofconditionslistedabovecanberepresentedbythefollowingconditionstoeliminatereferenceto"lossofanotherbarrier":~PotentiallossofFCandlossofRCS,or~PotentiallossofFCandlossofPC,or~PotentiallossofRCSandlossofFC,or~PotentiallossofRCSandlossofPCWhilenotexplicitlystatedwithinNUMARC/NESP-007,thefollowingcombinationsarealsoappropriateforinclusionasSiteAreaEmergencyclassifications:~LossofFCandlossofPC~LossofRCSandlossofPCThemaximum,theoreticallypossiblesetofconditionsthatcanyieldaGeneralEmergencyclassificationisgivenincolumn1ofTableD.Theseconsistofthefollowingconditions:~Lossofanytwobarriers,and~PotentiallossofathirdTheseconditionscanberepresentedbythefollowingconditionstocorrelatebarrierlossandpotentiallosstothethreespeciQcbarriers:~LossofFCandlossofRCSandpotentiallossofPC,or~LossofRCSandlossofPCandpotentiallossofFC,or~LossofPCandlossofFCandpotentiallossofRCS QSp~4kQtt'4It OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0NotethatthelossofallthreebarriersjustifiesaGeneralEmergencyclassificationaswell.SincetheEALconditionsarelistednumericallyinTable4,TablesAthroughDutilizeasimilarnumberingsystemwhichismodifiedbyletterabbreviationstodefineeachsetofconditions.Forexample,condition"FC2-loss"correspondstoalossoftheFuelCladbarrierduetoprimarycoolantactivitylevelgreaterthan(site-specific)value.Similarly,"RCSlb-pot.loss"correspondstoapotentiallossoftheReactorCoolantSystembarrierduetoaCriticalSafetyFunctionStatusHeatSink-REDcondition,andsoon.AnevaluationofeachconditionorsetofconditionslistedinTablesAthroughDismadetodetermineifitproperlydefinestheappropriatethresholdfortheclassification.Ifaconditionorsetofconditionsisappropriate,acommentreflectingthisconclusionisrecordedinthe"Remarks"column.Ifaconditionorsetofconditionsisdeterminedtobeinappropriate,itislinedoutandthereasonforthisconclusionissimilarlyrecordedinthe"Remarks"column.Whereadditionalspaceisrequiredtocompletecomments,thecommentsarerecordedbynumberinAppendix1ofthisdocument.Thenumbersofthecommentsarerecordedinthe"Remarks"columnwiththeassociatedconditionorsetofconditionstowhichtheyapply.AsummaryoftheresultsofthefissionproductbarrierevaluationispresentedinAppendix2.

RECOGNITIONCATEGORYFFISSIONPRODUCTBARRIERDEGRADATIONINITIATINGCONDITIONMATRIXTABLE4PWRUNUSUALEVENTSITEAREAEMERGENCYGENERALEMERGENCYAnylossoranypotenUallossofcontainmentOp.Modes:PoweroperaUonHotShutdownAnylossoranypotentiallossofeitherfuelcladorRCS.Op.Modes:PoweroperationHotShutdownLossofbothfuelcladandRCSORPotentiallossofbothfuelcladandRCSORPotenUallossofeitherfuelcladorRCS,andlossofanyadditionalbarrier.FGlLossofanytwobarriersANDPotenUallossofthirdbarrier.Op.Modes:PoweroperationHotShutdownOp.Modes:PoweroperationHotShutdownNOTES:l.AlthoughthelogicusedfortheseiniUaUngcondiUonsappearsoverlycomplex,itisnecessarytoreflectthefollowingconsideraUons:~ThefuelcladbarrierandtheRCSbarrierareweightedmorcheavilythanthecontainmentbarrier(seeSecUons3.4and3.8formoreinformationonthispoint).UnusualEventICsassociatedwithRCSandFuelCladbarriersareaddressedunderSystemMalfunctionICs.~AttheSiteAreaEmergencylevel,theremustbesomeabilitytodynamicallyassesshowfarpresentconditionsareforGeneralEmergency.Forexample,ifFuelCladbarrierandRCSbarrier"Loss"EALsexisted,thiswouldindicatetotheEmergencyDirectorthat.Inadditionaltooffsitedoseassessments,continualassessmentsofradioactiveInventoryandcontainmentintegritymustbefocusedon.If,ontheotherhand,bothFuelCladbarrierandRCSbarrier"PotenUalLoss"EALsexisted,theEmergencyDirectorwouldhavemoreassurancethattherewasnoimmediateneedtoescalatetoaGeneralEmergency.~Theabilitytoescalatetohigheremergencyclassesasaneventgetsworsemustbemaintained.Forexample,RCSleakagesteadilyincreasingwouldrepresentanincreasingrisktopublichealthandsafety.2.FissionProductBarrierICsmustbecapableofaddressingeventdynamics.Thus,theEALReferenceTables3and4statethatIMMINENT(i.e.,withinIto2hours)lossorpotentiallossshouldresultinaclassiflcaUonasiftheaffectedthreshold(s)arealreadyexceeded,particularlyforthehigheremergencyclasses.

RECOGNITIONCATEGORYFINITIATINGCONDITIONMATRIXTABLE4PWRFuelCladBarrierExampleEALsPotentialLoss1.CtfcalSafeFttfoatsCorecooling-redCorecooling-orangeORHeatsink-redCoolantActfvlCoolantactivitygreaterthan(site-speciAc)valueNotapplicable3.CoExitTheocou1RGreaterthan(site-specfAc)'FNotapplicable5.CotafnmentdiatooContainmentradmonitorreadinggreaterthan(site-speciAc)R/hr6.Othersft-s(site-speciAc)asapplfcablcenteoudmentGreaterthan(site-speciAc)'FLevellessthan(site-spcciAc)valueNotapplfcable(site-spcciAc)asapplfcableOOtO2ttTfOAnyconditionfntheJudgmentoftheEmergencyDirectorthatindicateslossorpotentiallossofthefuelcladbarrierDeterminewhichcombinationofthethreebarriersarelostorhaveapotentiallossandusethefollowingkeytoclassifytheevent.Also,aneventformultiplecvcntscouldoccurwhichresultfntheconclusionthatexceedfngthelossorpotentiallossthresholdsfsimminent(i.c..wtthtn1tnJ.hn>>rs'I.lnthistmmtnentlnssstt>>ation>>crt>>rldmrntanrlrlasstfvastfthethreshnfrlsanexreerfed.

RECOGNITIONCATEGORYFINITIATINGCONDITIONMATRIXTABLE4PWRRCBBarrierExampleEALs01.CtfcalSafeetioStatuspotentialLossNotapplfcableRCBintegrity-redORHeatsink-redGreaterthanavailablcmakeupcapacityasindfcatedbyalossofRCBsubcoolingUnisolableleakexceedingthecapacityofonechargfngpumpinthcnormalchargingmode3.SGTubeRut>(site-speciAc)fndfcatfonthataSGisrupturedANDhasannon-isolablesecondarylincbreakOR(site-speciAc)indicatfonthataSGisrupturedANDaprolongedreleaseofcontaminatedsecondarycoolantisoccurringfromtheaffectedSGtotheenvironment4.tafmntRadatfootoContainmentradfationmonitorreadinggreaterthan(site-speciAc)R/hr5.Othersite-s(site-speciAc)asapplicablc(site-spcciAc)indfcationthataSGisrupturedANDthcprimary-to-secondlyleakrateexceedsthecapacityofoncchargingpumpfnthenormalchargingmodeNotapplfcable(site-speciAc)asapplicableO8DABt(WCO6.meenDirectoAnyconditionInthe]udgmentoftheEmergencyDirectorthatindicateslossorpotentiallossoftheRCSbarrier

RECOGNITIONCATEGORYFINITIATINGCONDITIONMATRIXTABLE4PWRContainmentBarrierExampleEALsPotentialLoss1.CcalSaftetiotaNotapplfcableContainment-redRapidunexplafneddecreasefollowinginiUalincreaseORContainmentpressureorsumplevelresponsenotconsistentwithLOCAcondiUonsValve(s)notclosedANDdownstreampathwaytotheenvfronmentexistsReleaseofsecondlysidetoatmospherewithprfnmytosecondaryleakagegreaterthantechspecallowablepactvvetNotapplicable(site-specific)psigandfncrcasingORExplosivemixtureexistsORContainmentpressuregreaterthancontainmentdcpressurizationsystemsetpointwfthlessthanonefulltrainofdepressurizatfonequfpmentoperaUngNotapplicable-NotapplicableContainmentradiaUonmonitorreadinggreaterthan(site-specific)R/hr'nOdnN2C'OCO

RECOGNITIONCATEGORYFINITIATINGCONDITIONMATRIXTABLE4PWRContainmentBarrierExampleEALs6.otThermocouleReadinsNotapplicablePotentialLossCoreexitthermocouplcsinexcessof1200'FANDrestorationproceduresnoteffectivewithin15minutesORCoreexitthermocouplesinexcessof700'FwithreactorvessellevelbelowtopofactivefuelANDrestorationproceduresnoteffectivewithin15minutes7.0te-sIAcindication(site-speciilc)asapplicable8.EmeredmentAnyconditioninthe]udgmentoftheEmergencyDirectorthatindicateslossorpotentiallossofthecontainmentbarrier(site-specific)asapplicableOclAtdCO(

I QSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rcv.0TableA-IP-2/3FissionProductBarrierUnusualEventsNESP-7~RemarkLossorpot.lossofPCPC@-1essConditionnotsupportedinPEG.QQRa-less1PCQb-1ess2PC2e-lessConditionnotsupportedinPEG.PCS-less3PCSWssConditionnotsupportedinPEG.PCGa-lessConditionnotsupportedinPEG.PtGb-lessConditionnotsupportedinPEG.PCS-lessSubsumedin"Judgment"EAL.4567ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.8910ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.11 l

OSSI92-402A-2-IP2IP2FissionProductBamcrEALEvaluation,Rcv.0TableB-IP-2/3FissionProductBarrierAlertsHE'~p-Z~Rm~rkLossorpot.lossofFC-1essllFC4b-lessConditionnotsupportedinPEG.PCS-less9F44-lessConditionnotsupportedinPEG.F45-1ess18F46-lessConditionnotsupportedinPEG.essSubsumedin"Judgment"EAL.1213ConditionnotsupportedinPEG.1415ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Lossorpot.lossofRCSRCS4a-lessConditionnotsupportedinPEG.EQEttr-tossConditionnotsupportedinPEG."os'".'::,.;;ll:,':.i;;"iii'iii'ilia,'":"'lli!i"...'":"";,:i::1!'-'-'!""!...::,',,!.;:,:.:;:,t,",,'!i'i'!!iRCSSa-Iess17RCSSb-lessConditionnotsupportedinPEG.lgQ84]OsSSrg<<"'-".j~'$rl'RQS5-lessConditionnotsupportedinPEG.RCSG-1essSubsumedin"Judgment"EAL.Hnue+"!:::::."::.'WWW:.'::..'.S:.".,:..:.!r.e:,,,.:::re+.::~OSN!%'N:;<<n'rl!:,~::WP,,%~:,!SSSPS!:%so!:".VSS:.~!S"SWe!20ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.12

OSSI92402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rcv.0TableB-IP-2/3FissionProductBarrierAlertsKWi'MZ~Rm'~rkSubsumedin"Judgment"EAL.13 K"t'Fr>1kgI OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableC-IP-2/3FissionProductBarrierSiteAreaEmergencies~Rm~rkLossofFCandRCSConditionnotsupportedinPEG.ConditionnotsupportedinPEG.llllConditionnotsupportedinPEG.llConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.22ConditionnotsupportedinPEG.22ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.99ConditionnotsupportedinPEG.9ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.14

't OSSI92M2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableC-IP-2/3FissionProductBarrierSiteAreaEmergencies~RAII~rgConditionnotsupportedinPEG.ConditfonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedInPEG.ConditionnotsupportedinPEG.17ConditionnotsupportedinPEG.21CondftfonnotsupportedinPEG.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedInPEG.ConditionnotsupportedfnPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.Pot.lossofFCandRCS15 PI%r1 OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableC-IP-2/3FissionProductBarrierSiteAreaEmergenciesNE'~P-Qj@arkllConditionnotsupportedinPEG.llConditfonnotsupportedlnPEG.ConditionnotsupportedlnPEG.Subsumedin"Judgment"EAL.1313ConditionnotsupportedinPEG.13ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.Subsumedin"Judgment"EAL.ConditfonnotsupportedlnPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.14,251414ConditionnotsupportedinPEG.14ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.Subsumedln"Judgment"EAL.15,24151516 f4'1Jsl,%F+~I OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableC-IP-2/3FissionProductBarrierSiteAreaEmergenciesg~m~rkConditionnotsupportedinPEG.15ConditionnotsupportedinPEG.ConditfonnotsupportedfnPEG.Subsumedin"Judgment"EAL.ConditionnotsupportedfnPEG.ConditionnotsupportedfnPEG.CondftionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditfonnotsupportedinPEG.ConditionnotsupportedfnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedfnPEG.ConditionnotsupportedfnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditfonnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.Pot.lossofFCandlossofRCSConditionnotsupportedinPEG.ConditfonnotsupportedinPEG.l17 CIPJl' OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableC-IP-2/3FissionProductBarrierSiteAreaEmergenciesHE~i'-QZRt~m~rk12ConditionnotsupportedinPEG.12ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.1212ConditionnotsupportedinPEG.12ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.1414ConditionnotsupportedinPEG.14ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.1515ConditionnotsupportedinPEG.18 4f;~'J*

OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableC-IP-2/3FissionProductBarrierSiteAreaEmergencies~Rm~rk15ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.Pot.lossofFCtmdlossofPCConditionnotsupportedinPEG.ConditionnotsupportedinPEG.12ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.12Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.119 Q3 OSSI92M2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableC-IP-2/3FissionProductBarrierSiteAreaEmergencies~R~~rk2ConditionnotsupportedlnPEG.313ConditionnotsupportedlnPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedlnPEG.13Subsumedln"Judgment"EAL.ConditionnotsupportedlnPEG.ConditionnotsupportedfnPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.CondftionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedlnPEG.12CondltfonnotsupportedinPEG.314ConditionnotsupportedlnPEG.ConditionnotsupportedlnPEG.CondltfonnotsupportedlnPEG.14Subsumedln"Judgment"EAL.ConditionnotsupportedfnPEG.120 rrct~>

OSSI92M2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableC-IP-2/3FissionProductBarrierSiteAreaEmergenciesg."~P-Q~Rm~rk2ConditionnotsupportedinPEG.315ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.14Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedln"Judgment"EAL.21

'44pIPl OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableC-IP-2/3FissionProductBarrierSiteAreaEmergencies~Rm~rSubsumedfn"Judgment"EAL.ConditionnotsupportedinPEG.Subsumedln"Judgment"EAL.Subsumedln"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedln"Judgment"EAL.Subsumedln"Judgment"EAL.Pot.lossofRCSandlossofFCConditionnotsupportedinPEG.ll229ConditionnotsupportedlnPEG.21CondltfonnotsupportedlnPEG.Subsumedln"Judgment"EAL.llConditionnotsupportedlnPEG.199ConditionnotsupportedlnPEG.19ConditionnotsupportedfnPEG.Subsumedln"Judgment"EAL.llConditionnotsupportedlnPEG.209ConditionnotsupportedlnPEG.20ConditionnotsupportedinPEG.22 J4't OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableC-IP-2/3FissionProductBarrierSiteAreaEmergenciesKLi'2)Z~Rm~rOSSSubsumedin"Judgment"EAL.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.llConditionnotsupportedinPEG.209ConditionnotsupportedinPEG.20ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.23

+1grP OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableC-IP-2/3FissionProductBarrierSiteAreaEmergencies~Rm~rkConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Pot.lossofRCSandlossofPCConditionnotsupportedinPEG.12ConditionnotsupportedinPEG.346ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.40Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.12ConditionnotsupportedinPEG.319ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.19Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.1224 rh~JI OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableC-IP-2/3FissionProductBarrierSiteAreaEmergencies~P~Z~Rm~rConditionnotsupportedinPEG.3ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.40Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.12ConditionnotsupportedinPEG.320ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.20Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.

viog OSSI92M2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableC-IP-2/3FissionProductBarrierSiteAreaEmergenciesMSLMZConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.Subsumedin"Judgment"EALSubsumedin"Judgment"EAL.ConditionnotsupportedfnPEG.CondltfonnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.LossofFCandPCConditionnotsupportedinPEG.126

,fi4')If OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableC-IP-2/3FissionProductBarrierSiteAreaEmergencies+~P-~RI'~rkConditionnotsupportedinPEG.312ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.12Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.12ConditionnotsupportedinPEG.3ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ess40Subsumedln"Judgment"EAL.ConditionnotsupportedinPEG.12ConditionnotsupportedlnPEG.27

~I OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableC-IP-2/3FissionProductBarrierSiteAreaEmergencies~Rm'~rk39ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.9Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditfonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.2121ConditionnotsupportedinPEG.2121ConditfonnotsupportedfnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.21Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.28 1%IIQ1"4AHt' OSSI92%2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableC-IP-2/3FissionProductBarrierSiteAreaEmergenciesKSMP-2~LTII~rkConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.LossofRCSandPCConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.29

OSSI92~2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableC-IP-2/3FissionProductBarrierSiteAreaEmergencies~Rm~rkConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.12ConditionnotsupportedinPEG.347ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.4QSubsumedin"Judgment"EAL.ConditionnotsupportedlnPEG.1717ConditionnotsupportedinPEG.1717ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.17Subsumedln"Judgment"EAL.ConditionnotsupportedfnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondltfonnotsupportedinPEG.ConditionnotsupportedinPEG.30 giaO'.I4)"IC OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableC-IP-2/3FissionProductBarrierSiteAreaEmergencies~~P-5Q,~Rm~r]~ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.I2ConditionnotsupportedinPEG.347ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.40Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.12ConditionnotsupportedinPEG.3Subsumedin"Judgment"EAL.31 C4~T*1 OSSI92~2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableC-IP-2/3FissionProductBarrierSiteAreaEmergencies~NEP~~Rm>~kConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.40Subsumedin"Judgment"EAL.32

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a'It'4 OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableD-IP-2/3FissionProductBarrierGeneralEmergenciesNESP-007~RemarkConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondNonnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondNonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.100 Ikh OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableD-IP-2/3FissionProductBarrierGeneralEmergenciesNESP-7~RemarkConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedInPEG.ConditionnotsupportedinPEG.2642ConditionnotsupportedinPEG.4348ConditionnotsupportedInPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.40Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.266,42101 Ql OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableD-IP-2/3FissionProductBarrierGeneralEmergenciesNEAP-)Q7~RemarkConditionnotsupportedinPEG.4348ConditionnotsupportedinPEG.CondiUonnotsupportedinPEG.ConditionnotsupportedinPEG.40Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondiUonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondiUonnotsupportedinPEG.ConditionnotsupportedinPEG.266,42ConditionnotsupportedinPEG.4348ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondiUonnotsupportedinPEG.CondiUonnotsupportedinPEG.Subsumedin"Judgment"EAL.CondiUonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.102 (3y>>h,,"

OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableD-IP-2/3FissionProductBarrierGeneralEmergenciesNESP-07~RemarkConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedln"Judgment"EAL.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Cond%onnotsupportedinPEG.103 gsg1'+)0I~II't OSSI92M2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableD-IP-2/3FissionProductBarrierGeneralEmergencies~NEP~7~RemrkConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondNonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.9,11,269,11,42CondNonnotsupportedinPEG.4348ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.48Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.9,11,269,11,42ConditionnotsupportedinPEG.4348ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.40Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondNonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.

"J71jI, OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableD-IP-2/3FissionProductBarrierGeneralEmergenciesN~EP-07~RemarkConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.9,11,269,11,42ConditionnotsupportedinPEG.4348ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.40Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.105 j7'l1'f4C'tp OSSI92<2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableD-IP-2/3FissionProductBarrierGeneralEmergenciesNESP-07~RemarkCondNonnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondiUonnotsupportedinPEG.ConditionnotsupportedinPEG.CondNonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondNonnotsupportedinPEG.ConditionnotsupportedinPEG.CondiUonnotsupportedinPEG.ConditionnotsupportedinPEG.CondiUonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondNonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondNonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.106 IicI OSSI92M2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableD-IP-2/3FissionProductBarrierGeneralEmergenciesNEAP-)~RemarksConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondfUonnotsupportedfnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondiUonnotsupportedfnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondiUonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditfonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondiUonnotsupportedinPEG.ConditionnotsupportedinPEG.107

~4C~C~Erefl'WP OSSI92M2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableD-IP-2/3FissionProductBarrierGeneralEmergenciesN~E')+P-g7~RemarkConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.108

<<t1I, OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0Table0-IP-2/3FissionProductBarrierGeneralEmergenciesNEP-07~RemkCondiUonnotsupportedinPEG.CondiUonnotsupportedinPEG.ConditionnotsupportedinPEG.CondiUonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondiUonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.266,42ConditionnotsupportedinPEG.4348ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.40Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.266,42CondiUonnotsupportedinPEG.4348CondiUonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.40Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.109 4.lg14>E.I OSSI92<2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableD-IP-2/3FissionProductBarrierGeneralEmergencies~RemkConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.266,42ConditionnotsupportedinPEG.4348ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.40Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.110

• 1Ae~

OSSI92M2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableD-IP-2/3FissionProductBarrierGeneralEmergenciesNESP-7~RemarkSubsumedin"Judgment"EAL.ConditionnotsupportedinPEG.'ubsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.CondiUonnotsupportedinPEG.CondiUonnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondfUonnotsupportedfnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedfnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedfnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedfnPEG.ConditionnotsupportedinPEG.CondfUonnotsupportedinPEG.ConditionnotsupportedinPEG.CondfUonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedfnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondftionnotsupportedinPEG.

lQlA,E'j OSSI92M2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableD-IP-2/3FissionProductBarrierGeneralEmergencies~NBP~7RemarksConditionnotsupportedinPEG.CondNonnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.~ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.112

~glg OSSI92M2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0Table0-IP-2/3FissionProductBarrierGeneralEmergenciesNESP-007~RemarkConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondlUonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedfnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondiUonnotsupportedfnPEG.ConditionnotsupportedfnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondlUonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondiUonnotsupportedfnPEG.CondltfonnotsupportedinPEG.ConditionnotsupportedfnPEG.CondftfonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedfnPEG.113

>(t>4 OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableD-IP-2/3FissionProductBarrierGeneralEmergencies~NEP~~RemarkConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondiUonnotsupportedinPEG.CondiUonnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.CondlUonnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedlnPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedln"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.Subsumedln"Judgment"EAL.Subsumedln"Judgment"EAL.ConditionnotsupportedinPEG.CondlUonnotsupportedinPEG.CondlUonnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedln"Judgment"EAL.114 4XJ1'ra3 OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableD-IP-2/3FissionProductBarrierGeneralEmergencies~NE~P-~Rm~rkConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedlnPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedlnPEG.Subsumedln"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedlnPEG.115 ltEw' OSSI92-402A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0TableD-IP-2/3FissionProductBarrierGeneralEmergenciesRESP-7~Rm~rkConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.ConditionnotsupportedinPEG.Subsumedin"Judgment"EAL.Subsumedin"Judgment"EAL.116 lggfJ,gvft=aI OSSI92<2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rcv.0Appendix1-FissionProductBarrierRemarks2.3.4,5,6.TheonlysourceofsignificantcontainmentpressureincreaseotherthanafaultedsteamgeneratorisanRCSboundarybreach.Bydefinition,lossoftheRCSboundaryandthelossoftheprimarycontainmentboundaryrequireaSiteAreaEmergencyclassification.-Therefore,thisEALisunnecessaryandcanbedeleted.Ifaninconsistentlocaresponseisobserved,alossoftheRCShasoccurred,Bydefinition,lossoftheRCSboundaryandthelossoftheprimarycontainmentboundaryrequireaSiteAreaEmergencyclassification.Therefore,thisEALisunnecessaryandcanbedeleted.TheinitiationsignalforcontainmentisolationsareresultofanRCSbreach.Bydefinition,lossoftheRCSboundaryandthelossoftheprimarycontainmentboundaryrequireaSiteAreaEmergencyclassification.Therefore,thisEALisunnecessaryandcanbedeleted.Inordertoreachcontainment-redontheCSFST,containmentdesignpressurehasbeenreachedorexceeded.ThisisindicativeofalossofRCSboundary.ItisnotpossibletoreachthisconditionwithoutalsobeinginaHeatSink-RedorCoreCooling-Red.CSFSTwhichisalossofRCSandthefuelcladbarrier.Thesourceofenergymustbetheresultofseveredegradationofcorecoolingorlossofheatsink.SincetheEALisapotentiallossofcontainmentbydefinition,thiscombinationofconditionsrequiresthedeclarationofaGeneralEmergency.Therefore,thisEALisunnecessaryandcanbedeleted.Containmentdesignpressurecanonlybereachedasaresultofaseverelocaevent.ThisrepresentsalossoftheRCSbarrierandapotentiallossoftheprimarycontainment.Bydefinition,thiscombinationofconditionsrequiresthedeclarationofatleastanAlertclassification.Therefore,thisEALisunnecessaryandcanbedeleted.GenerationofthislevelofhydrogenconcentrationinthecontainmentindicatesthatalossoffuelcladbarrierandlossofRCSbarrierhasoccurredwithapotentiallossoftheprimarycontainmentbarrier.Bydefinition.thiscombinationofconditionsrequiresthedeclarationofaGeneralEmergency.Therefore,thisEALisunnecessaryandcanbedeleted.7.TheconditionslistedinthisEALrepresentalossoftheRCSbarrierwithapotentiallossofcontainment.Bydefinition,thelossoftheRCSbarrier1-1 A.Vp'L QSSI92M2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rcv.0Appendix1-FissionProductBarrierRemarksrequiresthedeclarationofanAlert.Therefore,thisEALisunnecessaryandcanbedeleted.8.Thesecontainmentradiationlevelscanonlybereachedasaresultofaseverecoredamage.ThisrepresentsalossofthefuelcladbarrierandthelossoftheRCSbarrierwithapotentiallossoftheprimarycontainment.Bydefinition,thiscombinationofconditionsrequiresthedeclarationofaGeneralEmergency.Therefore,thisEALisunnecessaryandcanbedeleted.910.12,CoreExitThermocouplereadings21200'Fwithafailureofrestorationproceduresrepresentapotentiallossoftheprimarycontainment,alossoffuelcladbarrier,andalossofsubcoolingwhichisafundamentalindicationofalossoftheRCSbarrier.BydeQnition,thiscombinationofconditionsrequiresthedeclarationofaGeneralEmergency.Therefore,thisEALisunnecessaryandcanbedeleted.ACoreExitThermocouplereading2700'FwithreactorvesselwaterlevelbelowthetopofactivefuelrequiresentrytotheCoreCooling-RedCSFSTandwarrantsdeclarationofaGeneralEmergency.Seejustification¹11.Therefore,thisEALisunnecessaryandcanbedeleted.CoreCooling-RedontheCSFSTisindicativeofaCoreExitThermocouplereadingof21200'F,orreactorvesselwaterlevelbelowthetopofactivefuelwithaCoreExitThermocouplereadingof>700'F.EAL¹FC3.1andEAL¹FC3.2representalossandpotentiallossofthefuelcladbasedonCoreExitThermocouplereadingsof1200'Fand700'F,respectively,EAL¹RCS2.1representsalossofsubcooling,therefore,entryintoCoreCooling-RedalsorepresentsalossoftheRCSbarrier.EAL¹PC6.5isindicativeofaCoreExitThermocouplereading2700'Fandrepresentsapotentiallossofprimarycontainmentbarrier.Thus,entryintoCoreCooling-RedrequiresdeclarationofaGeneralEmergency.Therefore,thisEALisunnecessaryandcanbedeleted.CoreCooling-OrangeontheCSFSTrepresentsapotentiallossofthefuelcladbarrierandalossofsubcoolingwhichisindicativeofalossoftheRCSbarrier.Bydefinition,thiscombinationofconditionsrequiresthedeclarationofaSiteAreaEmergency,Therefore,thisEALisunnecessaryandcanbedeleted.1-2 IIQlI%Tech.Spec.providesapathwayfromtheRCStooutsidecontainment,WhOeitisfeasibleforbothoftheseconditionstoexistsimultaneously,theyarenotrelatedsuchthatthefailureassociatedwithredpathintegrity(reactorvesselstructuralfailure)interfaceswiththecontainmentlossmechanism(steamgeneratortubeleakage).Thereforethiscombinationisnotappropriate.WhileRCS2.1andRCS4.1arelossesofRCS,theconcernforRCSlossisreactorvesselintegrity.PC4.1isalossofcontainmentinthatasecondarysidereleasewithprimarytosecondaryleakage>Tech.Spec.providesapathwayfromtheRCStooutsidecontainment.WhQeitisfeasibleforbothoftheseconditionstoexistsimultaneously,theyarenotrelatedsuchthatthefailureassociatedwithalossofcoolant(reactorvesselstructuralfailure)interfaceswiththecontainmentlossmechanism(steamgeneratortubeleakage).Ifprimarytosecondaryleakagewasofthemagnitudetohavecausedthelossofinventory,thendeclarationwouldbemadeperRCS3.1.Thereforethiscombinationisnotappropriate.WhileRCS1.1,RCS1.2,RCS2.1andRCS4.1arelossesofRCS,theconcernforRCSlossisreactorvesselintegrity.PC4.1isalossofcontainmentinthatasecondarysidereleasewithprimarytosecondaryleakage>Tech.Spec.providesapathwayfromtheRCStooutside,containment.WMeitisfeasibleforbothoftheseconditionstoexistsimultaneouslyinconjunctionwithoneormoreofthefuelcladlossindicators(FC1.2,FC1.3,FC2.1,FC3.2,FC4.1,FC5.1),theyarenotrelatedsuchthatthefailureassociatedwithalossofcoolant(reactorvesselstructuralfailure)interfaceswiththecontainmentlossmechanism(steamgeneratortubeleakage).IfSGleakagewasofthemagnitudetohavecausedthelossofinventory,thendeclarationwouldbemadeperRCS3.1+oneofthefuelcladlossindicators.Thereforethiscombinationisnotappropriate.1-7

OSSI92<2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0Appendix2-SummaryofFissionProductBarrierEvaluationThefollowingsummarizestheEALswhichresultedfromtheanalysisperformedofthefissionproductbarriermethodologyofNUMARC-007forIndianPoint2:UnusualEvent~PC4.1-loss~PC7.1-loss~EmergencyDirectorJudgementAlert:~FC2.1-loss~RCS1.1-potloss~RCS2.1-loss~RCS4.1-loss~RCS2.2-potloss~EmergencyDirectorJudgementSiteAreaEmerenc:~FC1.2-potloss~FC1.3-potloss/RCS1.2-potloss~RCS3.1-loss~FC5.1-loss

OSSI92M2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0Appendix2-SummaryofFissionProductBarrierEvaluationSiteAreaEmerenccont:~PC2.1-loss~PC2.2-loss~PC3.1-loss~RCS2.2-potloss+PC4.1-loss~FC2.1-loss+PC4.1-loss~EmergencyDirectorJudgementGeneralEmerenc:~PC1.1-pot.loss~FC1.1-loss~PC2.4-pot.loss~PC5.1-pot.loss~PC2.5-potloss+ANY:-FC2.1-loss-FC5.1-loss~RCS3.1-loss+ANY:-FC1.2-potloss-FC1.3-potloss-FC2.1-loss-FC3.2-potloss-FC4.1-potloss-FC5.1-loss

OSSI92M2A-2-IP2IP2FissionProductBarrierEALEvaluation,Rev.0Appendix2-SummaryofFissionProductBarrierEvaluationGeneralEmerenccont:~PC2.1-loss+ANY:-FC1.2-potloss-FC1,3-potloss-FC2.1-loss-FC3.2-potloss-FC4.1-potloss-FC5.1-loss~PC2.2-loss+ANY:-FC1.2-potloss-FC1.3-potloss-FC2.1-loss-FC3.2-potloss-FC4.1-potloss-FC5.1-loss~PC3.1-loss+ANY:,-FC1.2-potloss-FC1.3-potloss-FC2.1-loss-FC3.2-potloss-FC4.1-potloss-FC5.1-loss~PC6,1-pot.loss~PC6.2-potloss~EmergencyDirectorJudgement10

'1 OSSI92-402A-3-PWRPWREALBinningDocument,Rev.01.0CSFSTStatusSubcriticalityCSFSTStatusSA2.1SS2.1SG2.1(HeatSink)gP2(IP3)redundantto1.3CoreCoolingCSFSTStatusFC1.1(General)FC1.2(SAE)PC6.1(General)PC6.2(General)SG2.1(CoreCooling)HeatSinkCSFSTStatusFC1.3/RCS1.2(SAE)SS4.1SG2.1(HeatSink)1.4IntegrityCSFSTStatusRCS1.1(Alert)ContainmentCSFSTStatusPC1.1(General)2.0ReactorFuel2.12.22.82.4CoolantActivitySU4.2FC2,1(Alert)FailedFuelDetectors(Ginnaonly)SU4.1FC6.1(Alert)FC6.1+RCS1.1(SAE)+RCS2.2(SAE)+RCS2.1(SAE)ContainmentRadiationRCS4.1(Alert)FC5.1(SAE)PC5.1(General)RefuelingAccidentsorOtherRadiationMonitorsAU2.1AA2.1AA2.2

OSSI92-402A-3-PWRPWREALBfnnlngDocument,Rev.08.0ReactorCoolantSystem8.18.8RCSLeakageSU5.1RCS2.2(Alert)SS5.1PrimarytoSecondaryLeakagePC4.1(NUE)PC4.1+RCS2.2(SAE)PC4.1+FC2.1(SAE)RCSSubcoolingRCS2.1(Alert)4.0Containment4.1ContaiPC7.1(NUEPC2.1(SPC2.2(SPC3.1(SPC2.5+PC2.1PC2.2PC3.1nmentIntegrityStatus)AE)AE)AE)FC2.1(General)+FC5.1+FC6.1(Ginnaonly)+FC1.2(General)+FC1.3+FC2.1+FC3.2+FC4.1+FC5.1+FC6.1(Ginnaonly)+FC1.2(General)+FC1.3+FC2,1+FC3.2+FC4.1+FC5.1+FC6.1(Ginnaonly)+FC1.2(General)+FC1.3+FC2.1+FC3.2+FC4.1+FC5.1+FC6.1(Ginnaonly)

OSSI92-402A-3-PWRPWREALBanningDocument,Rev.04.24.8SGTubeRupturewithSecondaryReleaseRCS3.1(SAE)RCS3.1+FC1.2(General)+FC1.3+FC2.1+FC3.2+FC4.1~+FC5.1+FC6.1(Ginnaonly)CombusibleGasConcentrationsPC2.4(General)5.0RadioactivityRelease/AreaRadiation5.15.25.8EQluentMonitorsAU1.1AA1.1AS1.1AG1.1DoseProjections/EnvironmentalMeasurementsAU1.2AA1.2AS1.3AS1.4AG1.3AG1.4AreaRadiationLevelsAU2.4AA3.1AA3.2

OSSI92-402A-3-PWRPWREALBInntngDocument,Rev.06.0ElectricalFailures6.16.2LossofACPowerSourcesSU1.1SA1.1SA5.1SS1.1SG1.1LossofDCPowerSourcesSU7.1SS3.1V.OEquipmentFailures7.17.27.3TechnicalSpeciQcationRequirementsSU2.1SystemFailuresorControlRoomEvacuationHU1.6HA1.6HA5.1HS2.1SA3.1LossofIndications/Alarm/CommunicationCapabilitySU3.1SU6.1SA4.1SS6.1

OSSI92-402A-3-PWRPWREALBfnnlngDocument.Rev.08.0Hazards8.18.28.38.4SecurityThreatsHU4.1HU4.2HA4.1HA4.2HS1.1HS1.2HG1.1HG1.2FireorExplosionHU2.1HU1.5HA2.1Man-MadeEventsHU1.4HU3.1HU3.2HA1.5HA3.1HA3.2NaturalEventsHU1.1HU1.2HU1.3HU1.7HA1.1HA1.2HA1.3HA1.79.0OtherFC7.1RCS6.1PC8.1HU5.1HA6.1HS3.1HG2.1

OSSl-92-n02~-4-lp2IP2EALTccl>nlcalBasesDocuhnchht,Rcv0NewYorkEAI~UpgradeprojectInChanPohnt2EmergencyActionLevelsJTechnicalBasesRevision06/20/948Bi~a=.~Žmm'~a=ae~x-OperationsSupportServices,Inc.233WaterStreet2ndFloorPlyrnoutl>,Mh02360 tf+r,'4rTp,dm1jIT OSSI-92-402A-4-IP2IP2EALTechntcalBasesDocument.Rev0PURPOSEThepurposeofthisdocumentistoprovideanexplanationandrationaleforeachoftheemergencyactionlevels(EALs)includedintheEALUpgradeProgramforIndianPointStationNo.2(IP-2).ItisalsointendedtofacilitatethereviewprocessoftheIP-2EALsandprovidehistoricaldocumentationforfuturereference.ThisdocumentisalsointendedtobeutilizedbythoseindividualsresponsibleforimplementationofIP-1024"EmergencyClassification"asatechnicalreferenceandaidinEALinterpretation.DISCUSSIONEALsaretheplant-specificindications,conditionsorinstrumentreadingswhichareutilizedtoclassifyemergencyconditionsdefinedintheIP-2EmergencyPlan.SubsequenttotheacceptancebytheNRCofMB~C/NESP-007"MethodologyforDevelopmentofEmergencyActionLevels"asanacceptablealternativetotheNUREG0654EALguidance,thefournuclearutilitiesintheStateofNewYorkdecidedtoperformajointimplementationofthenewmethodology.Thisupgradeprojectinvolvedthefollowingplants:~NineMilePointUnit1(NMPC)~NineMilePointUnit2(NMPC)~JamesA.FitzPatrickNuclearPowerPlant(NYPA)~IndianPointStation2(ConEd)~IndianPoint3NuclearPowerStation(NYPA)~R.E.GinnaNuclearPowerStation(RG&E)WhiletheupgradedEALsaresitespecific,anobjectiveoftheupgradeprojectwastoensureconformityandconsistencybetweenthesitestotheextentpossible.TherevisedEALswerederivedfromtheInitiatingConditionsandexampleEALsgivenintheIP-2Plant-SpecificEALGuideline(PEG).ThePEGistheIP-2interpretationoftheNUMARCmethodologyfordevelopingEALs,ThePEGidentifiesdeletionsfromtheNUMIARCmethodologybystrikingoutwordsandphrasesthatarenotapplicabletoIP-2;additionsareidentifiedbyunderliningnewwordsandphrases.ThesourceofdocumentsforPEGchangesfromNUMARCmethodologyarelistedinthereferencessectionofthePEG.ManyoftheEALsderivedfromtheNUMARCmethodologyarefissionproductbarrierbased.Thatis,theconditionswhichdefinetheEALsarebaseduponlossorpotentiallossofoneormoreofthethreefissionproductbarriers.

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OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0Theprimaryfissionproductbarriersare:A.rF1IinThefuelcladdingiscomprisedofthezirconiumtubeswhichhousetheceramicuraniumoxidepelletsalongwiththeendplugswhichareweldedintoeachendofthefuelrods.B.r1nmTheRCSiscomprisedofthereactorvesselshell,vesselhead,vesselnozzlesandpenetrationsandallprimarysystemsdirectlyconnectedtothereactorvesseluptothefirstcontainmentisolationvalve.C.~i'Tht'p'ftlpcontainmentstructureandallisolationvalvesrequiredtomaintaincontainmentintegrityunderaccidentconditions.Thefollowingcriteriaservesasthebasesforeventclassificationrelatedtofissionproductbarrierloss:1EAnylossorpotentiallossofcontainment~Al~AnylossoranypotentiallossofeitherfuelcladorRCSiArEmrnAnylossofbothfuelcladandRCSorAnypotentiallossofbothfuelcladandRCSorAnypotentiallossofeitherfuelcladorRCSwithalossofanyadditionalbarriernrlEmrLossofanytwobarrierswithlossorpotentiallossofathirdThoseEALswhichreferenceoneormoreofthefissionproductbarrierICdesignators(FC,RCSandPC)inthePEGReferencesectionofthetechnicalbasesarederivedfromtheFissionProductBarrierAnalysis.Theanalysisentailedanevaluationofeverycombinationoftheplantspecificbarrierloss/potentiallossindicatorsappliedtotheabovecriteria.

K'I OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0Wherepossible,theEALshavebeenmadeconsistentwithandutilizetheconditionsdefinedintheIP-2CriticalSafetyFunctionStatusTrees(CSFSTs).WhilethesymptomsthatdriveoperatoractionsspecifiedintheCSFSTsarenotindicativeofgllpossibleconditionswhichwarrantemergencyclassification,theydodefinethesymptoms,independentofinitiatingevents,forwhichreactorplantsafetyand/orfissionproductbarrierintegrityarethreatened.WherethesesymptomsareclearlyrepresentativeofoneofthePEGInitiatingConditions,theyhavebeenutilizedasanEAL.Thisallowsforrapidclassificationofemergencysituationsbasedonplantconditionswithouttheneedforadditionalevaluationoreventdiagnosis.AlthoughsomeoftheEALspresentedherearebasedonconditionsdefinedintheCSFSTs,classificationofemergenciesusingtheseEALsisnotdependentuponEmergencyOperatingProcedures(EOPs)entryorexecution.TheEALscanbeutilizedindependentlyorinconjunctionwiththeEOPs.Totheextentpossible,theEALsaresymptombased.Thatis,theactionlevelisdefinedbyvaluesofkeyplantoperatingparameterswhichidentifyemergencyorpotentialemergencyconditions.Thisapproachisappropriatebecauseitallowsthefullscopeofvariationsinthetypesofeventstobeclassifiedasemergencies.But,apurelysymptombasedapproachisnotsuf6cienttoaddressalleventsforwhichemergencyclassificationisappropriate.ParticulareventstowhichnopredeterminedsymptomscanbeascribedhavealsobeenutilizedasEALssincetheymaybeindicativeofpotentiallymoreseriousconditionsnotyetfullyrealized.TheEALsaregroupedintoninecategoriestosimplifytheirpresentationandtopromotearapidunderstandingbytheirusers.Thesecategoriesare:1.CSFSTStatus2.ReactorFuel3.ReactorCoolantSystem4.Containment5.RadioactivityRelease/AreaRadiation6.ElectricalFailures7.EquipmentFailures8.Hazards9.OtherCategories1through5areprimarilysymptombased.Thesymptomsareindicativeofactualorpotentialdegradationofeitherfissionproductbarriersorpersonnelsafety.Categories6,7and8areeventbased.ElectricalFailuresarethoseeventsassociatedwithlossesofeitherACorvitalDCelectricalpower.EquipmentFailuresareabnormalandemergencyeventsassociatedwithvitalplantsystemfailures,whileHazardsarethosenon-plantsystemrelatedeventswhichhaveaffectedormayacctplantsafety.

,3\)t OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument.Rev0Category9providestheEmergencyDirector(SeniorWatchSupervisor)thelatitudetoclassifyanddeclareemergenciesbasedonplantsymptomsoreventswhichinhisjudgmentwarrantclassification.ThisjudgmentincludesevaluationoflossorpotentiallossofoneormorefissionproductbarrierswarrantingemergencyclassificationconsistentwiththeNUMARCbarrierlosscriteria.Categoriesarefurtherdividedintooneormoresubcategoriesdependingonthetypesandnumberofplantconditionsthatdictateemergencyclassifications.Forexample,theElectricalFailurescategoryhastwosubcategorieswhosevaluescanbeindicativeoflossesofelectricalpowersources:lossofACpowersourcesandlossofDCpowersources.AnEALmayormaynotexistforeachsubcategoryatallfourclassificationlevels.Similarly,morethanoneEALmayexistforasubcategoryinagivenemergencyclassificationwhenappropriate(i.e.noEALattheGeneralEmergencylevelbutthreeEALsattheUnusualEventlevel).ForeachEAL,thefollowinginformationisprovided:~Classification:UnusualEvent,Alert,SiteAreaEmergency,orGeneralEmergency~OperatingModeApplicability:Oneormoreofthefollowingplantoperatingconditionsarelisted:PowerOperation,HotShutdown,ColdShutdown,RefuelandDefueled~EAL:DescriptionoftheconditionorsetofconditionswhichcomprisetheEAL~Basis:DescriptionoftherationalefortheEAL~PEG

Reference:

PEGIC(s)andexampleEAL(s)fromwhichtheEALisderived~BasisReference(s):SourcedocumentationfromwhichtheEALisderived

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OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument.Rev0TheidentifiedoperatingmodesaredefinedasfollowsP~ReactorshutdownmarginislessthanTechnicalSpecificationminimumrequiredwithcoolanttemperature(Tavg)atorabovenormaloperatingtemperature.ReactorshutdownmargingreaterthanorequaltoTechnicalSpecificationminimumrequiredwithcoolanttemperature(Tavg)lessthannormaloperatingtemperature.~hReactorshutdownmargingreaterthanorequaltoTechnicalSpecificationminimumrequiredwithcoolanttemperature(Tavg)lessthanorequalto200'F.gg~lReactorshutdownmargingreaterthanorequaltoTechnicalSpecificationminimumrequiredforrefuelingoperationsandcoolanttemperature(Tavg)lessthanorequalto140'F.DafizdldReactorvesselcontainsnoirradiatedfuel.TheseoperatingmodescorrelatetotheNUMARC-007andPEGidentifiedoperatingmodesasfollows:hni1BPowerOperationsStartup/HotstandbyHotShutdownColdShutdownRefuelDefueledAllPowerOperationsPowerOperationHotShutdownColdShutdownRefuelDefueledAll

$I'I OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument.Rev0PlantEmergencyOperatingProcedures(EOPs)aredesignedtomaintainand/orrestoreasetofcriticalsafetyfunctionswhichareprioritizedforrestorationeffortsduringaccidentconditions.Bymonitoringthecriticalsafetyfunctionsstatus,theimpactofmultipleeventscanbeinherentlyaddressed.ThecriticalsafetyfunctionsaremonitoredthroughtheuseofCriticalSafetyFunctionStatusTrees(CSFSTs).WhencertainplantparametersexceedthresholdvaluesspecifiedbytheCSFST,theplantoperatorisdirectedtooneormorefunctionalrestorationand/orEOPsinanattempttorestorethoseparameterstowithinacceptablelimits.ThefollowingCSFSTsareutilizedtobeindicativeoffailuresorpotentialfailuresofoneormorefissionproductbarriers:Cggdptd'tl'CSIIST'StlfreactivitycontrolwhichmayposeathreattofuelcladandRCSintegrity.GgRdptd'l'SIIST'ltIIcoresubcoolingandthusposeadirectthreattotheintegrityofthereactorfuelclad.~Em~inkTheRedpathofthisCSFSTisindicativeofalossofabilitytoremovedecayheatfromthecoreandthusposesadirectthreattofuelcladintegrity.~~Ingri~TheRedpathofthisCSFSTisindicativeofadirectthreattoRCSbarrierintegrity.Hdptgftl'SIISTI'lt'IfRCSbarrieranddirectthreattothecontainmentbarrierintegrity.

fPq',A OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev01.0CSFSTStatus1.1Subcriticality1.1.1-AlertEither:ORANGEpathF-0.1SUBCRITICALITYANDEmergencyborationisrequiredORREDpathF-0.1SUBCRITICALITYANDEmergencyborationisrequiredModeApplicability:PowerOperations,HotShutdownBasis:CSFSTSubcriticality-ORANGEpathisenteredbasedonfailureoftheintermediaterangestartupratemonitorstoindicatenegativeorzerofollowingreactortrip.ThisEALaddressesanymanualtriporautomatictripsignalfollowedbyamanualwhichfailstoshutdownthereactortoanextentrequiringemergencyboration.Amanualtripisanysetofactionsbythereactoroperator(s)atthereactorcontrolconsolewhichcausescontrolrodstoberapidlyinsertedintothecoreandbringsthereactorsubcritical(e.g.,reactortripbutton).Thisconditionindicatesfailureoftheautomaticandmanualprotectionsystemstotripthereactortotheextentwhichprecludesthereactorbeingmadesub-critical.Althoughafrontlineautomaticprotectionsystemdidnotfunctioninresponsetoaplanttransient,itisthecontinuedcriticalityunderconditionsrequiringareactortripwhichposesthepotentialthreattofuelcladintegrityandthuswarrantingdeclarationofanAlert.PEG

Reference:

SA2.1BasisReference(s):1.CSFSTF-0.1,Subcriticality2.FR-S.1,ResponsetoNuclearGeneration/ATWS.1-2

~y OSSI-92-402A-4-IP2IP2EAI.TechnicalBasesDocument,Rev01.0CSFSTStatus1.1Subcriticality1.1.2SiteAreaEmergencyREDpathinF-0.1SUBCRITICALITYANDeither:EmergencyborationisinoperableORPowerrangenot(5%within15min.ofinitiationofemergencyborationModeApplicability:PowerOperations,HotShutdownBasis:CSFSTSubcriticality-REDpathisenteredbasedonfailureofpowerrangeindicationtodecreasebelow5%followingareactortrip.ThisportionoftheEALaddressesanymanualtriporautomatictripsignalfollowedbyamanualtripwhichfailstoshutdownthereactortoanextentthatthereactorisproducingmoreheatloadforwhichthesafetysystemsweredesigned.Amanualtripisanysetofactionsbythereactoroperator(s)atthereactorcontrolconsolewhichcausescontrolrodstoberapidlyinsertedintothecoreandbringsthereactorsubcritical(e.g,,reactortripbutton).Thisconditionindicatesfailureofboththeautomaticandmanualprotectionsystemstotripthereactorinconjunctionwithafailureofalternateborationsystemstoreducereactorpowerbelowdecayheatlevels.Thecombinationoffailureofbothfrontlineandbackupprotectionsystemstofunctioninresponsetoaplanttransient,alongwiththecontinuedproductionofheatposesadirectthreattofuelcladandRCSintegrityandthuswarrantsdeclarationofaSiteAreaEmergency.15minutesisspecifiedtoallowtimeforemergencyborationtobeeffectiveandprovidesadiscriminatorbetweenSA2.1andSS2.1.Theclassificationshouldbemadeassoonasitisapparentthatemergencyborationisnotorwillnotbeeffectiveinreducingreactorpowerbelow5%.PEG

Reference:

SS2.11-3

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0BasisReference(s):1.CSFSTF-0.1,Subcriticality2.FR-S.1,ResponsetoNuclearGeneration/ATWS1-4

• p OSSI-92-402A-4-IP2IP2EALTechnIcalBasesDocument,Rev01.0CSFSTStatus1.1Subcriticality1.1.3GeneralEmergencyRE<DpathinF-0.1,SUBCRITICALITYANDEmergencyborationisrequiredANDREDpathinF<-0.3,HEATSINKANDHeatsinkisrequiredModeApplicability:PowerOperations,HotShutdownBasis:CSFSTHeatSink-RE<Dpathisenteredbasedonboth:~allS/G'snarrowrangelevel<8%(36%adv.cnmt,)AND~TotalfeedwaterflowtoS/Gs<400gpmCSF<STSubcriticality-REDpathisenteredbasedon25%reactorpowerfollowingareactortrip.Thecombinationofthesetwoconditions(HeatSink-REDandreactorpower25%)indicatestheultimateheatsinkfunctionisunderextremechallenge.Additionally,theeffortstobringthereactorsubcriticalhavebeenunsuccessfuland,asaresult,thereactorisproducingmoreheatloadforwhichthesafetysystemsweredesigned.Thissituationcouldbetheprecursorforacoremeltsequence.Amajorconsiderationistheinabilitytoinitiallyremoveheatduringtheearlystagesofthissequence.Ifemergencyfeedwaterflowisinsuf5cienttoremovetheamountofheatrequiredbydesignfromatleastonesteamgenerator,anextremechallengeshouldbeconsideredtoexist.ThisequatestoaHEATSinkREDcondition.Intheevent,thischallengeexistsatatimewhenthereactorhasnotbeenbroughtbelowthepowerassociatedwithsafetysystemdesignpower(5%)acoremeltsequenceisconsideredtoexist.Inthissituation,coredegradationcanoccurrapidly.Forthisreason,theGeneralEmergencydeclarationisintendedtobeanticipatoryofthefissionproductbarriermatrixdeclarationtopermitmaximumoffsiteinterventiontime.1-5

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0PEG

Reference:

SG2.1(HeatSink)ThisEALisredundantto1.3.2BasisReference(s):1.2.3.4.CSFSTF-0.3,HeatSinkCSFSTF-0.1,SubcriticalityFR-S.1,ResponsetoReactorRestart/ATWSFR-S.2,ResponsetoLossofCoreShutdown1-6

OSSI-92-402A-4-IP2IP2EAITechnicalBasesDocument,Rev01.0CSFSTStatus1.2CoreCooling1.2.1SiteAreaEmergencyORANGEorREDpathinF-0.2,CORECOOLINGModeApplicability:PowerOperations,HotShutdownBasis:CSFSTCoreCooling-ORANGEpathisenteredbasedoneither:~Coreexitthermocouples>700'FOR~RVLISlevel<39%w/noRCPs(TAF)<44%w/4RCPs<38%w/3RCPs<20%w/2RCPs<13%%uow/1RCPsEitherconditionindicatessubcoolinghasbeenlostandthatsomecladdamagemayoccur.ItmustalsobeassumedthatthelossofRCSinventoryisaresultofalossofRCSbarrier.ThereforeaSiteAreaEmergencyiswarrantedbaseduponthepotentiallossoffuelcladwithlossofRCSbarriers.PEG

Reference:

FC1.2FC3.2FC4.1BasisReference(s):1.CSFSTF-0.2,CoreCooling1-7

r.

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev01.0CSFSTStatus1.2CoreCooling1.2.2GeneralEmergencyREDpathinF-0.2,CORECOOLINGANDFunctionalrestorationactionstakenandproceduresnoteffectivewithin15min.ModeApplicability:PowerOperations,HotShutdownBasis:CSFSTCoreCooling-REDpathisenteredbasedoneither:~Coreexitthermocouples)1200'FOR~Coreexitthermocouples)700'FAND~RVLISlevel<39%w/noRCPs(TAF)<44%w/4RCPs<38%w/3RCPs<20%w/2RCPs<13%w/1RCPsEitherconditionindicatessignificantcoreexitsuperheatingandcoreuncoveryandisconsideredalossoftheFuelCladBarrier.ItmustalsobeassumedthatthelossofRCSinventoryisaresultofalossofRCSbarrier.Theseconditions,ifnotmitigated,willlikelyleadtocoremeltwhichwillinturnresultinapotentiallossofcontainment,Therefore,declarationofaGeneralEmergencyiswarranted.Severeaccidentanalyses(e.g.,NUREG-1150)haveconcludedthatfunctionrestorationprocedurescanarrestcoredegradationwithinthereactorvesselinasignificantfractionofthecoredamagescenarios,andthatthelikelihoodofcontainmentfailureisverysmallintheseevents.Giventhis,itisappropriatetoprovideareasonableperiodtoallowfunctionrestorationprocedurestoarrestthecoremeltsequence.Whetherornotprocedureswillbeeffectiveshouldbeapparentwithin15minutes.TheEmergencyDirectorshouldmakethedeclarationassoonasitisdeterminedthattheprocedureshavenotbeen,orwillnotbeeffective.ForthepurposeofthisEALtheterm'effective'ithregardstofunctionalrestorationproceduresmeansthattheCSFSTCoreCooling-REDpathentrycriterionnolongerexists.1-8

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0PEG

Reference:

FC1.1SG2.1(CoreCooling)PC6.1PC6.2BasisReference(s):1.CSFSTF-0.2,CoreCooling1-9 lgag OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev01.0CSFSTStatus1.3HeatSink1.3.1SiteAreaEmergencyRE<DpathinF-0.3,HEATSINKANDHeatsinkisrequiredModeApplicability:PowerOperations,HotShutdownBasis:CSFSTHeatSink-REDpathisenteredbasedonboth:~allS/G'snarrowrangelevel<8%(36%adv.cnmt.)AND~TotalfeedwaterflowtoS/Gs<400gpmThecombinationofthesetwoconditionsindicatestheultimateheatsinkfunctionisunderextremechallenge.ThisEALaddresseslossoffunctionsrequiredforhotshutdownwiththereactoratpressureandtemperature.Undertheseconditions,thereisanactualmajorfailureofasystemintendedforprotectionofthepublicwithpotentialformultiple6ssionproductbarrierloss.Therefore,declarationofaSiteAreaEmergencyiswarranted,PEG

Reference:

FC1.3RCS1.2SS4.1BasisReference(s):1.CSFSTF-0.3,HeatSink1-10 I

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev01.0CSFSTStatus1.3HeatSink1.3.2GeneralEmergencyRE<DpathinF-0.3,HEATSINKANDHeatsinkisrequiredANDRE<DpathinF-0.1,SUBCRITICALITYANDEmergencyborationisrequiredModeApplicability:PowerOperations,HotShutdownBasis:CSFSTHeatSink-REDpathisenteredbasedonboth:~allS/G'snarrowrangelevel<8%(36%adv.cnmt.)AND~TotalfeedwaterflowtoS/Gs<400gpmCSFSTSubcriticality-REDpathisenteredbasedon25%reactorpowerfollowingareactortrip.Thecombinationofthesetwoconditions(HeatSink-REDandreactorpower25%)indicatestheultimateheatsinkfunctionisunderextremechallenge.Additionally,theeffortstobringthereactorsubcriticalhavebeenunsuccessfuland,asaresult,thereactorisproducingmoreheatloadforwhichthesafetysystemsweredesigned.Thissituationcouldbetheprecursorforacoremeltsequence.Amajorconsiderationistheinabilitytoinitiallyremoveheatduringtheearlystagesofthissequence.IfemergencyfeedwaterflowisinsufFicienttoremovetheamountofheatrequiredbydesignfromatleastonesteamgenerator,anextremechallengeshouldbeconsideredtoexist.ThisequatestoaHEATSinkREDcondition.Intheeventthischallengeexistsatatimewhenthereactorhasnotbeenbroughtbelowthepowerassociatedwithsafetysystemdesignpower(5%)acoremeltsequenceisconsideredtoexist.Inthissituation,coredegradationcanoccurrapidly.Forthisreason,theGeneralEmergencydeclarationisintendedtobeanticipatoryofthefissionproductbarriermatrixdeclarationtopermitmaximumoffsiteinterventiontime.

IA OSSI-92-402A-4-IP2IP2EALTechntcalBasesDocument,Rev0PEG

Reference:

SG2.1(HeatSink)BasisReference(s):1.2.3.4CSFSTF-0.3,HeatSinkCSFSTF-0.1,SubcriticalityFR-S.1,ResponsetoReactorRestart/ATWSFR-S.2,ResponsetoLossofCoreShutdown1-12 phdg OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev01.0CSFSTStatus1.4Integrity1.4.1AlertREDpathonF-0.4,INTEGRITYModeApplicability:PowerOperations,HotShutdownBasis:CSFSTIntegrity-REDpathisenteredbasedonboth:~exceedingRCScooldownrateof100'F/hrAND~allRCScoldlegtemperaturestotheleRoftheRCSPressure/RCSColdLegTemperatureCurveThecombinationofthesetwoconditionsindicatestheRCSbarrierisundersignificantchallengeandshouldbeconsideredapotentiallossofRCSbarrier.AnylossorpotentiallossofRCSbarrierwarrantsdeclarationofanAlert.PEG

Reference:

RCS1.1BasisReference(s):1,CSFSTF-0.4,Integrity1-13 4g OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev01.0CSFSTStatus1.5Containment1.5.1GeneralEmergencyREDpathF-0.5,CONTAINMENTresultingfromlossofcoolantModeApplicability:PowerOperations,HotShutdownBasis:CSFSTContainment-REDpathisenteredbasedonexceedingcontainmentdesignpressureof47psig.Thispressureiswellinexcessofthatexpectedfromthedesignbasislossofcoolantaccident.ThisisindicativeofalossofbothRCSandfuelcladboundariesinthatitisnotpossibletoreachthisconditionwithoutalsobeinginaHeatSink-REDorCoreCooling-REDCSFST.Thesourceofenergymustbetheresultofseveredegradationofcorecoolingorlossofheatsink.Sincecontainmentpressuresatorapproachingdesignlevelsisalsoapotentiallossofcontainment,thiscombinationofconditionsrequiresthedeclarationofaGeneralEmergency.PEG

Reference:

PC1.1BasisReference(s):l.CSFSTF-0.5,Containment1-14

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev01.0CSFSTStatus1.5Containment1.5.1'eneralEmergencyREDpathF-0.5,CONTAINMENTModeApplicability:PowerOperations,HotShutdownBasis:CSFSTContainment-REDpathisenteredbasedonexceedingcontainmentdesignpressureof47psig.Thispressureiswellinexcessofthatexpectedfromthedesignbasislossofcoolantaccident.ThisisindicativeofalossofbothRCSandfuelcladboundariesinthatitisnotpossibletoreachthisconditionwithoutalsobeinginaHeatSink-REDorCoreCooling-REDCSFST.Thesourceofenergymustbetheresultofseveredegradationofcorecoolingorlossofheatsink.Sincecontainmentpressuresatorapproachingdesignlevelsisalsoapotentiallossofcontainment,thiscombinationofconditionsrequiresthedeclarationofaGeneralEmergency.PEG

Reference:

PC1.1BasisReference(s):1.CSFSTF-0.5,Containment1-14 IIl4IIIIIIl41fHQp4I%~)

OSSI-92-402A-4-IP2IP2EALTechnIcalBasesDocument,Rev0Thereactorfuelcladdingservesastheprimaryfissionproductbarrier.Overtheusefullifeofafuelbundle,theintegrityofthisbarriershouldremainintactaslongasfuelcladdingintegritylimitsarenotexceeded.Shouldfueldamageoccur(breachofthefuelcladdingintegrity)radioactivefissionproductsarereleasedtothereactorcoolant.Themagnitudeofsuchareleaseisdependentupontheextentofthedamageaswellasthemechanismbywhichthedamageoccurred.Oncereleasedintothereactorcoolant,thehighlyradioactivefissionproductscanposesignificantradiologicalhazardsinplantfromreactorcoolantprocessstreams.Ifotherfissionproductbarriersweretofail,theseradioactivefissionproductscanposesignificantoffsiteradiologicalconsequences.Thefollowingparameters/indicatorsareindicativeofpossiblefuelfailures:QEIIIA.i'D'gdpti,tItfiproductactivityisverylow.Smallconcentrationsoffissionproductsinthecoolantareprimarilyfromthefissionoftrampuraniuminthefuelcladdingorminorperforationsinthecladdingitself.Anysignificantincreasefromthesebase-linelevelsisindicativeoffuelfailures.~nii'iAlthoughnotadirectindicationormeasurementoffueldamage,exceedingpredeterminedlimitsoncontainmenthighrangeradiationmonitorsunderLOCAconditionsisindicativepossiblefuelfailures.linA'i'rBothareaandprocessradiationmonitoringsystemsdesignedtodetectfissionproductsduringrefuelingconditionsaswellasvisualobservationcanbeutilizedtoindicatelossorpotentiallossofspentfuelcladdingintegrity.2-1

OSSI-92-402A-4-IP2IP2EALTechnIcalBasesDocument,Rev02.0ReactorFuel2.1CoolantActivity2.1.1UnusualEventCoolantsampleactivity260/(Ebar)pCi/ccModeApplicability:Basis:Elevatedreactorcoolantactivityrepresentsapotentialdegradationinthelevelofsafetyoftheplantandapotentialprecursorofmoreseriousproblems.ThisEALaddressesreactorcoolantsamplesexceedingcoolanttechnicalspecifications,PEG

Reference:

SU4.2BasisReference(s):1.TechnicalSpecificationspara.3.1.D.12-2

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev02.0ReactorFuel2.1CoolantActivity2.1.2AlertCoolantactivity>300pCi/ccI-131equivalentModeApplicability:Poweroperation,hotshutdownBasis:Elevatedreactorcoolantactivityrepresentsapotentialdegradationinthelevelofsafetyoftheplantandapotentialprecursorofmoreseriousproblems.Thisamountofcoolantactivitycorrespondstoabout2%to5%fuelcladdamage.Whenreactorcoolantactivityreachesthislevel,significantcladheatinghasoccurredandthusthefuelcladbarrierisconsideredlost.Therefore,declarationofanAlertiswarranted.Asitespecificevaluationofcoolantactivityassociatedwith5%cladfailureswasperformed.ThecalculationwasbaseduponWOGcoredamageassessmentsourcetermsandmadetheconservativeassumptionthattheI-131equivalentactivityis2xI-131sourceterm(2x2.4E5Ci).Basedona90,000gal.RCSvolume579'F,theresultingcoolantconcentrationwascalculatedas102.3pCi/cc.SincetheassumptionsandsourceoftheNUMARCnumberisunknown,thereisnowaytoknowhowthesetwonumberscompare.IthasbeendecidedtousethevalueprovidedbyMB~C.PEG

Reference:

FC2.1BasisReference(s):LetterfromD.GaynortoR.Burns7/27/93"EALTechnicalBasis2.1.2"2-3

/It OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev02.0ReactorFuel2.2ContainmentRadiation2.2.1AlertRapidriseonR-41orR-42withcoolantsampleactivity>60/(Ebar)pCi/ccandincreasingRCSleakageModeApplicability:Poweroperation,hotshutdownBasis:ArapidriseonR-41/42withconfirmationbycoolantsampleofconcentrationsinexcessofTechnicalSpecificationsindicatesthereleaseofreactorcoolanttothecontainment.Theindicationwasderivedassumingtheinstantaneousreleaseanddispersalofthereactorcoolantnoblegasandiodineinventoryassociatedwithnormaloperatingconcentrations(i.e.,withinT/S)intothecontainmentatmosphere.ThisEALisindicativeofaRCSleakonly.IfR-25readingsincreasetothatspecifiedbyReactorFuelEAL2.2.2,significantfueldamagewouldalsobeindicated.PEG

Reference:

RCS4.1BasisReference(s):1.None2-4 Ilp'jQf OSSI-92-402A-4-IP2IP2EAITechnicalBasesDocument,Rev02.0ReactorFuel2.2ContainmentRadiation2.2.2SiteAreaEmergencyContainmentradiationmonitorR-25orR-26)17R/hrModeApplicability:Poweroperation,hotshutdownBasis:The17R/hrreadingisavaluewhichindicatesthereleaseofreactorcoolant,withelevatedactivityindicativeoffueldamage,intothecontainment.Thereadingiscalculatedassumingtheinstantaneousreleaseanddispersal'ofthereactorcoolantnoblegasandiodineinventoryassociatedwithaconcentrationof300p,Ci/gmdoseequivalentI-131intothecontainmentatmosphere.Reactorcoolantconcentrationsofthismagnitudeareseveraltimeslargerthanthemaximumconcentrationsallowedwithintechnicalspecificationsandarethereforeindicativeoffueldamage(approximately5%cladfailuredependingoncoreinventoryandRCSvolume).ThisvalueishigherthanthatspecifiedinEAL2.2.1whichwouldbeindicativeofonlytheRCSbarrier.Thus,thisEALindicatesalossofboththefuelcladbarrierandalossofRCSbarrierwarrantingdeclarationofaSiteAreaEmergency.PEG

Reference:

FC5.1BasisReference(s):1.LetterfromDASmith2-5 4'Qt(C OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev02.0ReactorFuel2.2ContainmentRadiation2.2.3GeneralEmergencyContainmentradiationmonitorR-25orR-26>68EhrModeApplicability:Poweroperation,hotshutdownBasis:The68R/hrreadingisavaluewhichindicatessigni6cantfueldamage(20%cladfailure)wellinexcessoftheEALsassociatedwithbothlossoffuelcladandlossofRCSbarriers.Amajorreleaseofradioactivityrequiringoffsiteprotectiveactions&omcoredamageisnotpossibleunlessamajorfailureoffuelcladdingallowsradioactivematerialtobereleasedfromthecoreintothereactorcoolant.Regardlessofwhethercontainmentischallenged,thisamountofactivityincontainment,ifreleased,couldhavesuchsevereconsequencesthatitisprudenttotreatthisasapotentiallossofcontainment,suchthataGeneralEmergencydeclarationiswarranted.NUREG-1228"SourceEstimationsDuringIncidentResponsetoSevereNuclearPowerPlantAccidents,"indicatesthatsuchconditionsdonotexistwhentheamountofcladdamageislessthan20%.PEG

Reference:

PC5.1BasisReference(s):1.LetterfromDASmith2-6

~r*

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev02.0ReactorFuel2.3RefuelingAccidentsorOtherRadiationMonitors2.3.1UnusualEventSpentfuelpool(reactorcavityduringrefueling)waterlevelcannotberestoredandmaintainedabovetheTechnicalSpecificationminimumwaterlevelModeApplicability:Basis:InlightofReactorCavitySealfailure,incidentsattwodifFerentPWRsandlossofwaterintheSpentFuelPit/FuelTransferCanalataBWRalloccurringsince1984,explicitcoverageofthesetypesofeventsviaEALs2.3.1and2.3.32isappropriategiventheirpotentialforincreaseddosestoplantstaff.ClassificationasanUnusualEventiswarrantedasaprecursortoamoreseriousevent.ThespentfuelpoolTechnicalSpecificationminimumwaterlevelis93'".Thespentfuelpoollowwaterlevelalarmsetpointis93'".Thedefinitionof"...cannotberestoredandmaintainedabove..."allowstheoperatortovisuallyobservethelowwaterlevelcondition,ifpossible,andtoattemptwaterlevelrestorationinstructionsaslongaswaterlevelremainsabovethetopofirradiatedfuel.WaterlevelrestorationinstructionsforlossofrefuelingcavitywaterlevelduringrefuelingareperformedinaccordancewithAOI-17-0.3.Whenthefueltransfercanalisdirectlyconnectedtothespentfuelpoolandreactorcavity,therecouldexistthepossibilityofuncoveringirradiatedfuelinthefueltransfercanal.Therefore,thisEALisapplicableforconditionsinwhichirradiatedfuelisbeingtransferredtoandfromtheRPVandspentfuelpool.PEG

Reference:

AU2.1BasisReference(s):1.AOI-17-0.32.ARP-SGF2-7 tV',f OSSI-92-402A-4-IP2IP2EALTechntcalBasesDocument,Rev02.0ReactorFuel2.3RefuelingAccidentsorOtherRadiationMonitors2.3.2AlertConfirmedsustainedalarmonanyofthefollowingradiationmonitorsresultingfromfueldamagecausedbyanuncontrolledfuelhandlingprocess:~R-2/R-7VaporContainmentAreaMonitors~R-5FuelStorageBuildingAreaMonitor~R-25/26VaporContainmentHighRadiationAreaMonitorsModeApplicability:Basis:NUREG-0818,"EmergencyActionLevelsforLightWaterReactors,"formsthebasisforthisEAL.ThisEALisdefinedbythespecificareawhereirradiatedfuelislocatedsuchasreactorcavity,reactorvessel,orspentfuelpool.NUIKG/CR-4982,"SevereAccidentinSpentFuelPoolsinSupportofGenericSafetyIssue82,"July1987,indicatesthatevenifcorrectiveactionsarenottaken,nopromptfatalitiesarepredicted,andthatriskofinjuryislow.Inaddition,NRCInformationNoticeNo.90-08,"KR-85HazardsfromDecayedFuel"presentsthefollowinginitsdiscussion:"Intheeventofaseriousaccidentinvolvingdecayedspentfuel,protectiveactionswouldbeneededforpersonnelonsite,whileo6'sitedoses(assuminganexclusionarearadiusofonemilefromtheplantsite)wouldbewellbelowtheEnvironmentalProtectionAgency'sProtectiveActionGuides.Accordingly,itisimportanttobeabletoproperlysurveyandmonitorforKr-85intheeventofanaccidentwithdecayedspentfuel."An"uncontrolledfuelhandlingprocess"isdefinedasanyeventoractivityrelatedtothemovementofirradiatedfuelwhichresultsinunexpectedoruncontrolledconditions.Thisterminologyhasbeenspecificallyaddedtoexcludeanticipatedincreasesinarearadiationlevelsasaresultofactionsperformedinaccordancewithapprovedproceduresduringrefuelingoperations.Thus,anAlertClassificationforthiseventisappropriate.Escalation,ifappropriate,wouldoccurviaEmergencyDirectorjudgmentinEALCategory9.0.2-8 Jg~

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0PEG

Reference:

AA2.1BasisReference(s):1.SystemDescriptionNo.12,RadiationMonitoringAndProtectionSystem2.SystemDescriptionNo.17,FuelandCoreComponentHandlingSystem2-9 j

OSSI-92-402A-4-IP2IP2EAITechnicalBasesDocument,Rev02.0.ReactorFuel2.3RefuelingAccidentsorOtherRadiationMonitors2.3.3AlertReportofvisualobservationofirradiatedfueluncoveredModeApplicability:Basis:ThisEALisdefinedbythespecificareaswhereirradiatedfuelislocatedsuchasreactorcavity,reactorvessel,orspentfuelpool.Thereisnoindicationthatwaterlevelinthespentfuelpoolorrefuelingcavityhasdroppedtothelevelofthefuelotherthanbyvisualobservation.Sincethereisnolevelindicatingsysteminthefueltransfercanal,visualobservationoflossofwaterlevelwouldalsoberequired.SuKcienttimeexiststotakecorrectiveactionsfortheseconditionsandthereislittlepotentialforsubstantialfueldamage.NUIKG/CR-4982"SevereAccidentinSpentFuelPoolsinSupportofGenericSafetyIssue82"indicatesthatevenifcorrectiveactionsarenottaken,nopromptfatalitiesarepredictedandtheriskofinjuryislow.Inaddition,NRCInformationNoticeNo.90-08,"KR-85Hazards&omDecayedFuel"presentsthefollowingititsdiscussion:"Intheeventofaseriousaccidentinvolvingdecayedspentfuel,protectiveactionswouldbeneededforpersonnelonsite,whileoffsitedoses(assuminganexclusionarearadiusofonemilefromtheplantsite)wouldbewellbelowtheEnvironmentalProtectionAgency'sProtectiveActionGuides.Accordingly,itisimportanttobeabletoproperlysurveyandmonitorforKr-85intheeventofanaccidentwithdecayedspentfuel.Thus,anAlertClassificationforthiseventisappropriate.Escalation,ifappropriate,wouldoccurviaradioactivityreleasecategory5.0orEmergencyDirectorjudgmentinEALCategory9.0.ThisEALappliestospentfuelrequiringwatercoverageandisnotintendedtoaddressspentfuelwhichislicensedfordrystorage.2-10

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument.Rev0PEG

Reference:

AA2.2BasisReference(s):1.SystemDescriptionNo.12,RadiationMonitoringAndProtectionSystem2.SystemDescriptionNo.17,FuelandCoreComponentHandlingSystem3.NUREG/CR-4982"SevereAccidentinSpentFuelPoolsinSupportofGenericSafetyIssue82"4NRCInformationNoticeNo.90-08,"KR-85HazardsfromDecayedFuel"2-11 gAQh<<V4%+t OSSI-92-402A-4-IP2IP2EALTechnIcalBasesDocument,Rev0Thereactorvesselprovidesavolumeforthecoolantwhichcoversthereactorcore.Thereactorvesselandassociatedpressurepiping(reactorcoolantsystem)togetherprovideabarriertolimitthereleaseofradioactivematerialshouldthereactorfuelcladdingintegrityfail.TherearethreeRCSparameterswhichareindicativeofconditionswhichmayposeathreattoRCSorfuelcladdingintegrity:EII>>TACCAR'I!I'RCSISgindicationsareutilizedtoindicatepotentialpipecrackswhichmaypropagatetoanextentthreateningfuelclad,RCSandcontainmentintegrity.RCSleakageofadegreerequiringECCStomaintainRCSinventoryposesadirectthreattofuelcladintegrity.Reactorvesselwaterlevelisalsodirectlyrelatedtothestatusofadequatecorecooling,andthereforefuelcladdingintegrity.~PrimnLkAsubsetofRCSleakage,excessiveprimarytosecondaryleakageinconjunctionwithunisolablesecondaryreleasestoenvironmentmayresultinlossesofcontainmentintegrityaswellasthreatenfuelcladintegrityformoresevereSGtuberuptures.~gAlIRCSAI'lAdICId'lthattheinventorycontrolsystemsareinadequateinmaintainingRCSpressureandinventoryagainstmasslossthroughaleak.3-1 ki.p%Q,s OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev03.0ReactorCoolantSystem3.1RCSLeakage3.1.1UnusualEventUnidentifiedorpressureboundaryleakage)10gpmORIdentifiedleakage>25gpmModeApplicability:Poweroperation,hotshutdownBasis:TheconditionsofthisEALmaybeaprecursorofmoreseriousconditionsand,asaresult,isconsideredtobeapotentialdegradationofthelevelofsafetyoftheplant.The10gpmvaluefortheunidentifiedleakageandpressureboundaryleakagewasselectedbecauseitisobservablewithnormalControlRoomindications.Smallervaluesmustbedeterminedthroughtime-consumingsurveillancetests(e.g.,massbalances).The25gpmvalueforidentifiedleakageissetatahighervaluebecauseofthesignificanceofidentifiedleakageincomparisontounidentifiedorpressureboundaryleakage.Onlyoperatingmodesinwhichthereisfuelinthereactorcoolantsystemandthesystemispressurizedarespecified.PEG

Reference:

SU5.1BasisReference(s):None3-2 gl,I'if' OSSI-92-402A-4-IP2IP2EALTechntcalBasesDocument,Rev03.0ReactorCoolantSystem3.1RCSLeakage3.1.2AlertPrimarysystemleakageexceedingcapacity()75gpm)ofasinglechargingpumpModeApplicability:Poweroperation,hotshutdownBasis:ThisEALisbasedontheinabilitytomaintainnormalliquidinventorywithintheReactorCoolantSystem(RCS)whenRCSleakageexceedsthecapacityofonechargingpump.75gpmistheminimumoperabilityQowrateforeachchargingpump.PEG

Reference:

RCS2.2BasisReference(s):1.Drawingno.1980M10852.PT-Q333-3 44'r,rrrr' OSSI-92-402A-4-IP2IP2EAI.TechnicalBasesDocument.Rev08.0ReactorCoolantSystem8.1RCSLeakage3.1.8SiteAreaEmergencyRVLIScannotbemaintained>39%withnoRCPsrunningORWiththereactorvesselheadremoved,itisreportedthatwaterlevelintheReactorVesselisdroppinginanuncontrolledmannerandcoreuncoveryislikelyModeApplicability:Poweroperation,hotshutdown,coldshutdown,refuelBasis:ThereactorvesselwaterlevelusedinthisEAListhetopofactivefuel(TAF).ThisvaluecorrespondstothelevelwhichisusedinCSFSTstoindicatechallengetocorecoolingandlossofthefuelcladbarrier.Thisistheminimumwaterleveltoassurecorecoolingwithoutfurtherdegradationoftheclad.SeverecoredamagecanoccurandreactorcoolantsystempressureboundaryintegritymaynotbeassuredifreactorvesselwaterlevelisnotmaintainedabovethatcorrespondingtoRVLISat39%w/noRCPsrunning(Dynamicrange:<44%w/4RCPs,<38%w/3RCPs,<20%w/2RCPs,<13%w/1RCPs).RVLISdynamicrangeindicationsarenotutilizedinthisEALsincetheRCPswouldnotberunningunderconditionswherevessellevelisapproachingTAF.Thus,declarationofaSiteAreaEmergencyiswarrantedundertheconditionsspeci6edbythisEAL.EscalationtoaGeneralEmergencywouldbeviaradioactivityreleasecategory5.0.PEG

Reference:

SS5.1FC4.1BasisReference(s):1.FR-C.1"ResponsetoInadequateCoreCooling2.AbnormalOperatingInstruction4.2.1,LossOfResidualHeatRemovalSystem3-4 44'C OSSI-92-402A-4-IP2IP2EAI.TechntcalBasesDocument,Rev03.0ReactorCoolantSystem3.2PrimarytoSecondaryLeakage3.2.1UnusualEventUnisolablereleaseofsecondarysidetoatmospherefromtheaffectedsteamgenerator(s)withprimarytosecondaryleakage>0.3gpminanysteamgeneratorModeApplicability:Poweroperation,hotshutdownBasis:ThisEALaddressesSGtubeleaksindicativeofalossofcontainment,UnisolablesecondarysidereleasestoatmosphereincludefeedlineorsteamlinebreaksaswellasstuckopensafetyoratmosphericreliefvalvesthatcannotbeisolatedonceisolationhasbeendirectedbytheEOPs.AsteamgeneratorwhichisrequiredtobeusedforplantcooldownwouldalsobecoveredunderthisEAL.Forsmallleaks,notexceedingthenormalchargingcapacitythresholdinRCSleakageEAL3.1.2,thisEALresultsinanUnusualEvent.Forlargerleaks,RCSleakageEAL3.2.2wouldresultinaSiteAreaEmergency.ForSGtuberuptureswhichmayinvolvemultiplesteamgeneratorsorunisolablesecondarylinebreaks,SGtuberuptureEAL4.2.1wouldalsoresultinaSiteAreaEmergency.PEG

Reference:

PC4.1BasisReference(s):1.TechnicalSpeci6cations,AmendmentNo.152,paragraph3.1.F,page3.1.F-33-5 4IlaF;r.Jr OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev03.0ReactorCoolantSystem3.2PrimarytoSecondaryLeakage3.2.2SiteAreaEmergencyUnisolablereleaseofsecondarysidetoatmospherefromthea6'ectedsteamgenerator(s)withprimarytosecondaryleakageexceedingcapacity(>V5gpm)ofasinglechargingpumpModeApplicability:Poweroperation,hotshutdownBasis:ThisEALaddressesSGtubeleaksindicativeofalossofbothRCSandcontainmentbarriers.UnisolablesecondarysidereleasestoatmosphereincludefeedlineorsteamlinebreaksaswellasstuckopensafetyoratmosphericreliefvalvesthatcannotbeisolatedonceisolationhasbeendirectedbytheEOPs.AsteamgeneratorwhichisrequiredtobeusedforplantcooldownwouldalsobecoveredunderthisEAL.Primarytosecondaryleakageinexcessofthecapacityofonechargingpump(>75gpm)isbasedontheinabilitytomaintainnormalliquidinventorywithintheReactorCoolantSystem(RCS).75gpmistheminimumoperabilityQowrateforeachchargingpump.Forprimarytosecondaryleakageinexcessofthecapacityofasinglechargingpumpintheabsenceofsecondarytoatmosphererelease,anAlertwouldbedeclaredbasedonEAL3.1.2.ThisEALrepresentsthelossofbothRCSandcontainmentbarriersandthereforewarrantsdeclarationofaSiteAreaEmergency.PEG

Reference:

PC4.1+RCS2.2BasisReference(s):1.2.3.4E-3"SteamGeneratorTubeRupture"TechnicalSpecifications,AmendmentNo.152,paragraph3.1.F,page3.1.F-3Drawingno.1980M1085PT-Q333-6 C'p~V~j OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev03.0ReactorCoolantSystem3.2PrimarytoSecondaryLeakage3.2.3SiteAreaEmergencyUnisolablereleaseofsecondarysidetoatmospherefromtheaffectedsteamgenerator(s)withprimarytosecondaryleakage>0.3gpminanysteamgeneratorANDCoolantactivity)300pCi/ccofI-131ModeApplicability:Poweroperation,hotshutdownBasis:ThisEALaddressesSGtubeleaksindicativeofalossofcontainmentinconjunctionwithalossoffuelcladding.UnisolablesecondarysidereleasestoatmosphereincludefeedlineorsteamlinebreaksaswellasstuckopensafetyoratmosphericreliefvalvesthatcannotbeisolatedonceisolationhasbeendirectedbytheEOPs.AsteamgeneratorwhichisrequiredtobeusedforplantcooldownwouldalsobecoveredunderthisEAL.Acoolantactivity>300p.Ci/ccofI-131indicatesalossoffuelcladding.RefertoEALN2.1.2basisThisconditionrepresentsalossofbothprimarycontainmentwiththelossoffuelcladdingandthuswarrantsdeclarationofaSiteAreaEmergency.PEG

Reference:

PC4.1+FC2.1BasisReference(s):1.TechnicalSpecificationsSection3.1.F3-7

OSSI-92-402A-4-IP2IP2EAI.TechnicalBasesDocument.Rev03.0ReactorCoolantSystem3.3RCSSubcooling3.3.1AlertRCSsubcooling<SIinitiationsetpointduetoRCSleakageModeApplicability:Poweroperation,hotshutdownBasis:ThisEALaddressesconditionswhereleakagefromtheRCSisgreaterthanavailableinventorycontrolcapacitysuchthatalossofsubcoolinghasoccurred.ThelossofsubcoolingisthefundamentalindicationthattheinventorycontrolsystemsareinadequateinmaintainingRCSpressureandinventoryagainstthemasslossthroughtheleak.LossoftheRCSbarrierwarrantsdeclarationofanAlert,PEG

Reference:

RCS2.1BasisReference(s):l.E-O,ReactorTripOrSafetyInjection3-8 fIIf~rI~If%t~f~

OSSI-92-402A-4-IP2IP2EAITechnIcalBasesDocument,Rev0Thecontainmentstructureisanatmosphericvaporcontainmentsystem,ItformsafissionproductbarrierdesignedtocontaintheradioactivefissionproductsgeneratedfromanypostulatedaccidentsoastoprecludeexceedingofFsiteexposurelimits.Thecontainmentstructureisalowleakagesystemhousingthereactorvessel,thereactorcoolantpiping,steamgeneratorsandotherbranchconnectionsofthereactorprimarysystem.Thecontainmentisequippedwithisolationvalvesforsystemswhichpenetratethecontainmentboundary.Thesevalvesautomaticallyactuatetoisolatesystemsunderemergencyconditions.TherearethreecontainmentparameterswhichareindicativeofconditionswhichmayposeathreattocontainmentintegrityorindicatedegradationofRCSorreactorfuelcladintegrity.~iIAbnormallyhighcontainmentpressureorfailureofcontainmentcoolingsystemsfollowingaLOCAareindicativeofpotentiallossesofthecontainmentbarrierintegrity.TheexistenceofanunisolableCIorCVIlinebreakoutsidecontainmentconstitutesalossofcontainmentintegrityaswellasalossofRCSboundary.InconsistentcontainmentresponsetoaknownLOCAisalsoindicativeofcontainmentlossinconjunctionwithRCSbarrierbreach.Shouldalossoffuelcladdingintegrityoccurundereitheroftheseconditions,thepotentialforreleaseoflargeamountsofradioactivematerialstotheenvironmentexists.nrr'hn'GtuberupturesinconjunctionwithasecondarysystemlinebreakresultinginreleasetotheenvironmentconstituteslossesofbothRCSandcontainmentintegrity.PrimarytosecondaryleakageinexcessofTechnicalSpecificationsinconjunctionwithfuelcladdamageandsecondarysystemleakagetotheenvironmentconstituteslossesoffuelclad,RCSandcontainmentintegrity.Thisconditionprovidesthepotentialforreleaseoflargeamountsofradioactivematerialstotheenvironment.4-1

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0~milnnrin'heexistenceofcombustiblegas'concentrationsincontainmentposeaseverethreattocontainmentintegrityandareindicativeofseverelydegradedreactorcoreandRCSconditions.4-2 4P OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev04.0Containment4.1ContainmentIntegrityStatus4.1.1UnusualEventBothdoorsopenonaVCairlockfor>4hrs.ORInabilitytoclosecontainmentpressurerelieforpurgevalveswhichresultsinaradiologicalreleasepathwaytotheenvironmentfor>4hrs.ModeApplicability:Poweroperation,hotshutdownBasis:ThisEALaddressesanindicationthatunambiguouslyindicateslossofthecontainmentbarrierunderconditionswhencontainmentintegrityisrequired.Itisimportanttonotehowever,thatlossofcontainmentduetobothairlockdoorsbeingopeniseventdependent.Uponrecognition,shiftpersonnelwouldrapidlyrespondinanattempttoreestablishcontainmentintegrity.Ifthedoorscannotbereclosed,anylossoftheRCSbarrierthatoccurswiththedoorsopenwouldappearasaninconsistentLOCAresponse.Therefore,thiseventisnotusedasadefinitiveindicatoroflossoftheprimarycontainmentbarrierforpurposesofdefininghigherclassificationEALs.RatheritislefttotheEmergencyDirector'sjudgmentwhethersuchalosshasoccurred.PEG

Reference:

PC7.1BasisReference(s):TechSpec.3.6.A.1.Dand3.6.A,3"4-3 t~Egl4 OSSI-92-402A-4-IP2IP2EAI.TechnicalBasesDocument,Rev04.0'ontauunent4.1ContainmentIntegrityStatus4.12SiteAreaEmergencyRapiduncontrolleddecreaseincontainmentpressurefollowinginitialincreaseduetoRCSfailureORLossofprimarycoolantinsidecontainmentwithcontaiznnentpressureorsumplevelresponsenotconsistentwithLOCAconditionsModeApplicability:Poweroperation,hotshutdownBasis:Rapidunexplainedlossofpressure(i.e.,notattributabletocontaixunentsprayorFanCoolingUnitsorcondensationefFects)followinganinitialpressureincreaseindicatesalossofbothRCSandcontainmentintegrity.ContainmentpressureandsumplevelsshouldincreaseasaresultofthemassandenergyreleaseintocontainmentfromaLOCA.Thus,sumplevelorpressurenotincreasingindicatescontainmentbypass(V-sequence)andalossofcontainmentintegrity.ThisEALindicateslossofbothRCSandcontainmentandthereforewarrantsdeclarationofaSiteAreaEmergency.PEG

Reference:

PC2.1PC2.2BasisReference(s):None4-4

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev04.0Containment4.1ContainmentIntegrityStatus4.1.3SiteAreaEmergencyEither:AnyPhase"A"orPhase"B"orcontainmentventilationisolationvalve(s)notclosedwhenrequiredfollowingconfirmedLOCAORInabilitytoisolateanyprimarysystemdischargingoutsidecontainmentANDRadiologicalreleasetotheenvironmentexistsasaresultModeApplicability:Poweroperation,hotshutdownBasis:ThisEALisintendedtoaddressincompletecontainmentisolationthatallowsdirectreleasetotheenvironment,ItrepresentsalossofboththeRCSandcontainmentbarrierandthereforewarrantsdeclarationofaSiteAreaEmergency.FailureofPhase"A"orPhase"B"orcontainmentventilationisolationvalvestoisolateisintendedtoaddressincompletecontainmentisolationthatallowsdirectreleasetotheenvironment.ItrepresentsalossofboththeRCSandcontainmentbarrier."Inabilitytoisolateanyprimarysystemdischargingoutsidecontainment"isintendedtoaddressotherprimarysystems,eitherdirectorindirect,whichtheinabilitytoisolateindicatelossofbothRCSandcontainment.PEG

Reference:

PC3.1BasisReference(s):1.TechnicalSpecifications3.6.A.1.1and3.6.A.1.A4-5 ff%C~tSj,I OSSI-92-402A-4-IP2IP2EAI.TechnicalBasesDocument,Rev04.0Containment4.1ContainmentIntegrityStatus4.1.4GeneralEmergencyCon6rmedphase"B"isolationsignalwithlessthanminimumcontainmentcoolingsafeguardsequipmentoperating,Table4.3ANDAnyindicatorsoffuelcladloss,Table4.1Table4.3MinimumContainmentCoolinSafeardsEuimentFanCoolerUnits0eratinSraPumsReuired<335Table4.1FuelCladLossIndicators1.Coolantactivity>300pCi/ccofI-1312.ContainmentradiationmonitorR-25/R-26reading>17R/hrModeApplicability:Poweroperation,hotshutdownBasis:ThisEALrepresentsapotentiallossofcontainmentinconjunctionwithlossesofbothRCSandfuelclad.Apotentiallossofcontainmentisconsideredtoexistinthatacontainmentheatremoval/depressurizationsystem(e.g,,containmentsprays,FanCoolerUnits,butnotincludingcontainmentventingstrategies)iseitherlostorperforminginadegradedmanner,asindicatedbycontainmentpressuregreaterthanthesetpointatwhichtheequipmentwassupposedtohaveactuated.RCSisalsoassumedtobelostinthisconditionduetothehighcontainmentpressure.4-6 gl OSSI-92-402A-4-IP2IP2EALTechnIcalBasesDocument.Rev0Table4.1presentsfuelcladlossindicatorswhichrepresent2-5%cladfailures.RefertoEAL¹'s2.1.2and2.2.2forbasesoftheseindicators,PEG

Reference:

PC2.5+FC2.1,FC5.1BasisReference(s):1.2.3.45.UpdatedFSAR,Chapter5,page5.1-16/17,para.3.CCFDesignBasisDocument(DBD)DesignBasisDocument,"ContainmentSpraySystem"EOPE-O,ReactorTripOrSafetyInjection,forPhase"A"and"B"containmentpressuresignalsTechnicalSpeci6cations3.6.B-24-7 4~nXr'h,7,$I<t4' OSSI-92-402A-4-IP2IP2EALTechnIcalBasesDocument,Rev04.0Containment4.1ContainmentIntegrityStatus4.1.5GeneralEmergencyEither:RapiduncontrolleddecreaseincontainmentpressurefollowinginitialincreaseORLossofprimarycoolantinsidecontainmentwithcontainmentpressureorsumplevelresponsenotconsistentwithLOCAconditionsANDAnyindicatorsoffuelcladdamage,Table4.2Table4.2FuelCladDamaeIndicators1.ORANGEorREDpathinF-0.2,CORECOOLING2.REDpathinF-0.3,HEATSINKANDHeatsinkisrequired3.Coolantactivity>300pCi/ccofI-1314.ContainmentradiationmonitorR-25/R-26reading>17EhrModeApplicability:Poweroperation,hotshutdownBasis:ThisEALindicateslossofbothRCSandcontainmentwithlossorpotentiallossofthefuelcladdingandthereforewarrantsdeclarationofaGeneralEmergency.Rapidunexplainedlossofpressure(i.e.,notattributabletocontainmentsprayorFanCoolingUnitso'rcondensationeffects)followinganinitialpressureincreaseindicatesalossofbothRCSandcontainmentintegrity.ContainmentpressureandsumplevelsshouldincreaseasaresultofthemassandenergyreleaseintocontainmentfromaLOCA.Thus,sumplevelorpressurenotincreasingindicatescontainmentbypass(V-sequence)andalossofcontainmentintegrity.Table4.2presentsfuelcladlossandpotentiallossindicators:~ORANGEpathinF-0.2,CoreCooling:RefertoEAL¹1.1.1basis~REDpathinF-0.3,HeatSink:RefertoEAL¹1.2.1basisCoolantactivity>300pCi/ccofI-131:RefertoEAL¹2.1.2basis4-8

OSSI-92-402A-4-IP2IP2EAI-TechnicalBasesDocument.Rev0~Containmentradmonitorreading>17R/hr:RefertoEALN2.2.2basisPEG

Reference:

PC2.1/PC2.2+FC1.2,FC1.3,FC2.1,FC3.2,FC4.1,andFC5.1BasisReference(s):1.F-0.2,Rev.2,CORECOOLING2.F-0.3,Rev.2,HEATSINK4-9

OSSI-92-402A-4-IP2IP2EAI.TechnfcalBasesDocument,Rev04.0Contauunent4.1ContainmentIntegrityStatus4.1.6GeneralEmergencyEither:,AnyPhase"A"orPhase"B"orcontainmentventilationisolationvalve(s)notclosedwhenrequiredfollowingconQrmedLOCAORInabilitytoisolateanyprimarysystemdischargingoutsidecontainmentANDRadiologicalreleasetotheenvironmentexistsasaresultANDAnyindicatorsoffuelcladdamage,Table4.2Table4.2FuelCladDamaeIndicators1.ORANGEorREDpathinF-0.2,CORECOOLING2.REDpathinF-0.3,HEATSINKANDHeatsinkisrequired3.Coolantactivity>300pCi/ccofI-1314.ContainmentradiationmonitorR-25/R-26reading>17R/hrModeApplicability:Poweroperation,hotshutdownBasis:ThisEALindicateslossofbothRCSandcontainmentwithlossorpotentiallossofthefuelcladdingandthereforewarrantsdeclarationofaGeneralE<mergency.F<ailureofPhase"A"orPhase"B"orCVIvalvestoisolateisintendedtoaddressincompletecontainmentisolationthatallowsdirectreleasetotheenvironment.ItrepresentsalossofboththeRCSandcontainmentbarrier."Inabilitytoisolateanyprimarysystemdischargingoutsidecontainment"isintendedtoaddressotherprimarysystems,eitherdirectorindirect,whichtheinabilitytoisolateindicatelossofbothRCSandcontainment.Table4.2presentsfuelcladlossandpotentiallossindicators:~ORANGEpathinF-0.2,CoreCooling:RefertoEAL¹1.1.1basis~REDpathinF-0.3,HeatSink:RefertoEAL¹1.2.1basis4-10 t/

OSSI-92-402A-4-IP2IP2EALTechntcalBasesDocument,Rev04.0Containment4.1ContainmentIntegrityStatus4.1.6GeneralEmergencyEither:AnyPhase"A"orPhase"B"orcontainmentventilationisolationvalve(s)notclosedwhenrequiredfollowingconfirmedLOCAORInabilitytoisolateanyprimarysystemdischargingoutsidecontainmentANDDirectradiologicalreleasepathwaytotheenvironmentexistsasaresultANDAnyindicatorsoffuelcladdamage,Table4.2Table4.2FuelCladDamaeIndicators1.ORANGEorREDpathinF-0.2,CORECOOLING2.REDpathinF-0.3,HEATSINKANDHeatsinkisrequired(RCSpressure>intactSG)3.Coolantactivity>300p.Ci/ccofI-1314.ContainmentradiationmonitorR-25/R-26reading>17R/hrModeApplicability:Poweroperation,hotshutdownBasis:ThisEALindicateslossofbothRCSandcontainmentwithlossorpotentiallossofthefuelcladdingandthereforewarrantsdeclarationofaGeneralEmergency.FailureofPhase"A"orPhase"B"orCVIvalvestoisolateisintendedtoaddressincompletecontainmentisolationthatallowsdirectreleasetotheenvironment.ItrepresentsalossofboththeRCSandcontainmentbarrier."Inabilitytoisolateanyprimarysystemdischargingoutsidecontainment"isintendedtoaddressotherprimarysystems,eitherdirectorindirect,whichtheinabilitytoisolateindicatelossofbothRCSandcontainment.Table4.2presentsfuelcladlossandpotentiallossindicators:~ORANGEpathinF-0.2,CoreCooling:RefertoEAL¹1.1.1basis~REDpathinF-0.3,HeatSink:RefertoEAL¹1.2.1basis4-10

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0~Coolantactivity>300pCi/ccofI-131:RefertoEAL42.1.2basis~Containmentradmonitorreading>17R/hr:RefertoEALP2.2.2basisPEG

Reference:

PC3.1+FC1.2,FC1.3,FC2.1,FC3.2,FC4.1,andFC5.1BasisReference(s):2.3.4TourofSimulatorControlRoom,DiscussionwithTrainingInstructorR.BurnsTechnicalSpecification3.6.A.1.Aand3.6.A.1.BF-0.2,Rev.2,CORECOOLINGF-0.3,Rev.2,HEATSINK4-11 P74g OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev04.0Containment4.2SGTubeRupturew/SecondaryRelease4.2.1SiteAreaEmergencyUnisolatedfaulted(outsideVC)rupturedsteamgeneratorModeApplicability:Poweroperation,hotshutdownBasis:ThisEALisintendedtoaddressthefullspectrumofSteamGenerator(SG)tuberuptureeventsinconjunctionwithalossofcontainmentduetoasignificantsecondarylinebreak.ThisEALaddressesrupturedSG(s)withanunisolablesecondarylinebreakcorrespondingtothelossof2of3fissionproductbarriers(RCSbarrierandcontainmentbarrier).Thisallowsthedirectreleaseofradioactivefissionandactivationproductstotheenvironment.Resultantoffsitedoseratesareafunctionofmanyvariables.Examplesinclude:coolantactivity,actualleakrate,SGcarryover,iodinepartitioning,andmeteorology.Theindicationsutilizedshouldbeconsistentwiththediagnosticactivitiesoftheemergencyoperatingprocedures(EOPs),ifavailable.Thisshouldincludeindicationofreductioninprimarycoolantinventory,increasedsecondaryradiationlevels,andanuncontrolledorcompletedepressurizationoftherupturedSG.Secondaryradiationincreasesshouldbeobservedviaradiationmonitoringofcondenserairejectordischarge,SGblowdown,mainsteam,and/orSGsamplingsystem.Determinationofthe"uncontrolled"depressurizationoftherupturedSGshouldbebasedonindicationthatthepressuredecreaseintherupturedsteamgeneratorisnotafunctionofoperatoraction.ThisshouldpreventdeclarationbasedonadepressurizationthatresultsfromanEOPinducedcooldownoftheRCSthatdoesnotinvolvetheprolongedreleaseofcontaminatedsecondarycoolantfromtheaffectedSGtotheenvironment.ThisEALencompassessteambreaks,feedbreaks,andstuckopensafetyorreliefvalves.PEG

Reference:

RCS3.14-12

OSSI-92-402A-4-IP2IP2EALTechnfcalBasesDocument,Rev0BasisReference(s):1.E-3"SteamGeneratorTubeRupture"2.AOI1.2,SteamGeneratorTubeLeak3.E-O,ReactorTripOrSafetyInjection4-13

'Xy"Ilp,~

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev04.0Containment4.2SGTubeRupturew/SecondaryRelease4.2.2GeneralEmergencyUnisolatedfaulted(outsideVC)rupturedsteamgeneratorANDAnyindicatorsoffuelcladdamage,Table4.2Table4.2FuelCladDamaeIndicators1.ORANGEorREDpathinF-0.2,CORECOOLING2.REDpathinF-0.3,HEATSINKANDHeatsinkisrequired3.Coolantactivity>300p,Ci/ccofI-1314.ContainmentradiationmonitorR-25/R-26reading>17R/hrModeApplicability:Poweroperation,hotshutdownBasis:ThisEALisintendedtoaddressthefullspectrumofSteamGenerator(SG)tuberuptureeventsinconjunctionwithalossofcontainmentduetoasignificantsecondarylinebreakwithactualorpotentiallossofthefuelcladintegrity.ThisEALaddressesrupturedSG(s)withanunisolablesecondarylinebreakcorrespondingtothelossof2of3fissionproductbarriers(RCSbarrierandcontainmentbarrier)withtheactualorpotentiallossofthethird(fuelcladding).Thisallowsthedirectreleaseofradioactivefissionandactivationproductstotheenvironment,Resultantoffsitedoseratesareafunctionofmanyvariables.Examplesinclude:coolantactivity,actualleakrate,SGcarryover,iodinepartitioning,andmeteorology.Theindicationsutilizedshouldbeconsistentwiththediagnosticactivitiesoftheemergencyoperatingprocedures(EOPs),ifavailable.Thisshouldincludeindicationofreductioninprimarycoolantinventory,increasedsecondaryradiationlevels,andanuncontrolledorcompletedepressurizationoftherupturedSG.Secondaryradiationincreasesshouldbeobservedviaradiationmonitoringofcondenserairejectordischarge,SGblowdown,mainsteam,and/orSGsamplingsystem.Determinationofthe"uncontrolled"depressurizationoftherupturedSGshouldbebasedonindicationthatthepressuredecreaseintherupturedsteamgeneratorisnotafunctionofoperatoraction.ThisshouldpreventdeclarationbasedonadepressurizationthatresultsfromanEOPinducedcooldownoftheRCSthatdoesnotinvolve4-14 Il OSSI-92-402A-4-IP2IP2EALTechnfcalBasesDocument.Rev0theprolongedreleaseofcontaminatedsecondarycoolantfromtheaffectedSGtotheenvironment.ThisEALencompassessteambreaks,feedbreaks,andstuckopensafetyorreliefvalves.Table4.2presentsfuelcladlossandpotentiallossindicators:~ORANGEpathinF-0.2,CoreCooling:RefertoEAL¹1.1.1basis~REDpathinF-0.3,HeatSink:RefertoEAL¹1.2.1basis~Coolantactivity>300pCi/ccofI-131:RefertoEAL¹2.1.2basis~Containmentradmonitorreading>17R/hr:RefertoEAL¹2.2.2basisThisconditionrepresentsalossofbothRCSandprimarycontainmentwiththelossorpotentiallossoffuelcladdingandthuswarrantsdeclarationofaGeneralEmergency.PEG

Reference:

RCS3.1+FC1.2,FC1.3,FC2.1,FC3.2,FC4.1,andFC5.1BasisReference(s):1.TechnicalSpeci6cationsSection3.1.F2.F-0.2,Rev.2,CORECOOLING3.F-0.3,Rev.2,HEATSINK4-15

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev04.0Containment4.3CombustibleGasConcentrations4.3.1GeneralEmergency24%hydrogenconcentrationincontainmentModeApplicability:Poweroperation,hotshutdownBasis:Existenceofanexplosivemixture(4%hydrogen)meansahydrogenandoxygenconcentrationofatleastthelowerdeflagrationlimitcurveexists.Whenhydrogenandoxygenconcentrationsreachorexceedthedeflagrationlimits,imminentlossofthecontainmentbarrierexists.Togeneratesuchlevelsofcombustiblegas,lossofthefuelcladandRCSbarriersmusthaveoccurred.ThisEALrepresentslossofbothfuelcladandRCSwiththepotentialloss.ofcontainmentandthereforewarrantsdeclarationofaGeneralEmergency.PEG

Reference:

PC2.4BasisReference(s):1.SOP10.9.1,"HydrogenRecombiners"4-16

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0EManyEALsarebasedonactualorpotentialdegradationoffissionproductbarriersbecauseoftheincreasedpotentialforoffsiteradioactivityrelease.Degradationoffissionproductbarriersthough,isnotalwaysapparentvianon-radiologicalsymptoms.Therefore,directindicationofincreasedradiologicalefQuentsorarearadiationlevelsareappropriatesymptomsforemergencyclassification.Atlowerlevels,abnormalradioactivityreleasesmaybeindicativeofafailureofcontainmentsystemsorprecursorstomoresignificantreleases.Athigherreleaserates,offsiteradiologicalconditionsmayresultwhichrequireoffsiteprotectiveactions.Increasedarearadiationlevelsinplantmayalsobeindicativeofthefailureofcontainmentsystemsorprecludeaccesstoplantvitalequipmentnecessarytoensureplantsafety.Therearetwobasicindicationsofradioactivityreleaseratesandoneforarearadiationlevelswhichwarrantemergencyclassifications.DitikitifKtChai't'gsystemsprovidesarapidassessmentmechanismtodeterminereleasesinexcessofclassifiablelimits.~Dr'nnrnm1Mr'rojectedoffsitedoses(basedonefQuentmonitorreadings)oractualoffsitefieldmeasurementsindicatingdosesordoseratesaboveclassifiablelimits.~ri'L:Sustainedgeneralarearadiationlevelsinexcessofthoseindicatinglossofcontrolofradioactivematerialsorthoselevelswhichmayprecludeaccesstovitalplantareasalsowarrantemergencyclassification.5-1 (1Il OSSI-92-402A-4-IP2IP2EAI-TechnicalBasesDocument,Rev05.0RadioactivityRelease/AreaRadiation5.1EfQuentMonitors5.1.1UnusualEventAvalidreadingonanymonitorsTable5.1column"NUE"for>60min.MonitorTable5.1EfHuentMonitorClassificationThresholdsGESAEAlertR-27R-44R-54R-4953pCi/cc53pCi/ccN/AN/A5.3pCi/cc5.3pCi/ccN/AN/A5.3E-1pCi/cc5.3E-lpCi/cc2.5E-1pCi/cc2.7E-2pCi/cc2,3E-3pCi/cc2.3E-3pCi/cc2.5E-3pCi/cc2.7E4pCi/ccModeApplicability:Basis:The"valueshown"foreachmonitoristwotimesthecalculatedTechnicalSpecificationreleaseratesasspecifiedintheIP-1007.Validmeansthataradiationmonitorreadinghasbeenconfirmedbyoperatorstobecorrect,Unplannedreleasesinexcessoftwotimesthesitetechnicalspecificationsthatcontinuefor60minutesorlongerrepresentanuncontrolledsituationandhence,apotentialdegradationinthelevelofsafety.Thefinalintegrateddose(whichisverylowintheUnusualEventemergencyclass)isnottheprimaryconcernhere;itisthedegradationinplantcontrolimpliedbythefactthatthereleasewasnotisolatedwithin60minutes.Therefore,itisnotintendedthatthereleasebeaveragedover60minutes.Forexample,areleaseof4timesT/Sfor30minutesdoesnotexceedthisinitiatingcondition.Further,theEmergencyDirectorshouldnotwaituntil60minuteshaselapsed,butshoulddeclaretheeventassoonasitisdeterminedthatthereleasedurationhasorwilllikelyexceed60minutes.MonitorindicationsarecalculatedonthebasisofthemethodologyofIP-1007.Annualaveragemeteorologyisused.Validmeansthataradiationmonitorreadinghasbeenconfirmedbytheoperatorstobecorrect.5-2 I"

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0PEG

Reference:

AU1.1BasisReference(s):2.3.4SystemDescriptionNo.12,RadiationMonitoringAndProtectionsSystemIP-1007"DeterminationoftheMagnitudeofReleaseandExposureRate"TechnicalSpecificationsSection3.9LetterfromD.SmithtoR.Burns5-3 tc OSSI-92-402A-4-IF2IP2EALTechnicalBasesDocument,Rev05.0RadioactivityRelease/AreaRadiation5.1.2Alert5.1Eff1uentMonitorsAvalidreadingonanymonitorsTable5.1column"Alert"for>15min.MonitorTable5.1EffluentMonitorClassificationThresholdsGER-27RA4R-54R-4953pCi/cc53pCi/ccN/AN/A5.3pCi/cc5.3pCi/ccN/AN/A5.3E-1pCi/cc5.3E-1pCi/cc2.5E-1pCi/cc2.7E-2pCi/cc2.3E-3pCi/cc2.3E-3pCi/cc2.5E-3pCi/cc2.7E-4pCi/ccModeApplicability:Basis:ThiseventescalatesfromtheUnusualEventbyescalatingthemagnitudeofthereleasebyafactorof100.Proratingthe500mR/yrcriterionforbothtime(8766hr/yr)andthe200multiplier,theassociatedsiteboundarydoseratewouldbe10mR/hr.Therequiredreleasedurationwasreducedto15minutesinrecognitionoftheincreasedseverity.MonitorindicationsarecalculatedonthebasisofthemethodologyofIP-1007,"DeterminationoftheMagnitudeofReleaseandExposureRate".Annualaveragemeteorologyisused.Aspreviouslystated,the10mR/hrvalueisbasedonaprorationof200timesthe500mR/yrbasisofthe10CFR20non-occupationalMPClimits,roundeddownto10mR/hr.Thevaluesforthegaseouseffluentradiationmonitorsarebaseduponnotexceeding10mR/hratthesiteboundaryasaresultoftherelease.Validmeansthataradiationmonitorreadinghasbeenconfirmedbytheoperatorstobecorrect.5-4

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0PEG

Reference:

AA1.1BasisReference(s):2.3.4SystemDescriptionNo.12,RadiationMonitoringAndProtectionsSystemIP-1007,"DeterminationoftheMagnitudeofReleaseandExposureRate"TechnicalSpecificationsSection3.9LetterfromD.SmithtoR.Burns5-5

'L6Ol OSSI-92-402A-4-IP2IP2EAI.TechnicalBasesDocument.Rev05.0RadioactivityRelease/AreaRadiation5.1EffluentMonitors5.1.3SiteAreaEmergencyAvalidreadingonanymonitorsTable5.1column"SAE"for>15min.MonitorTable5.1EfQuentMonitorClassificationThresholdsGER-27RMR-54.R-4953p,Ci/cc53p.Ci/ccN/AN/A5.3p,Ci/cc5.3p,Ci/ccN/AN/A5.3E-1pCi/cc5.3E-1pCi/cc2.5E-1pCi/cc2.7E-2pCi/cc2.3E-3p,Ci/cc2.3E-3p.Ci/cc2.5E-3p,Ci/cc2.7E-4p,Ci/ccModeApplicability:Basis:ThevaluesshownweredeterminedutilizingIP-1007,"DeterminationoftheMagnitudeofReleaseandExposureRate"basedupona100mRwholebodyexposure.Thesevalueswheredeterminedusingannualaverage,meteorology.The100mRintegrateddoseisbasedontheproposed10CFR20annualaveragepopulationexposure.Thisvaluealsoprovidesadesirablegradient(oneorderofmagnitude)betweentheAlert,SiteAreaEmergency,andGeneralEmergencyclasses.ItisdeemedthatexposureslessthanthislimitarenotconsistentwiththeSiteAreaEmergencyclassdescription.The500mRintegratedchildthyroiddosewasestablishedinconsiderationofthe1:5ratiooftheEPAProtectiveActionGuidelinesforwholebodythyroid.Integrateddosesaregenerallynotmonitoredinreal-time.Inestablishingtheemergencyactionlevels,adurationofonehourisassumed,basedonasiteboundarydoseof100mH/hourwholebodyor500mH/hourchildthyroid,whicheverismorelimiting(dependsonsourcetermassumptions).Validmeansthataradiationmonitorreadinghasbeenconfirmedbytheoperatorstobecorrect.5-6

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0PEG

Reference:

AS1.1BasisReference(s):2.3.4.SystemDescriptionNo.12,RadiationMonitoringAndProtectionsSystemIP-1007,"DeterminationoftheMagnitudeofReleaseandExposureRate"TechnicalSpecificationsSection3.9LetterfromD.SmithtoR.Burns5-7 IJ}'4.7 OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev05.0RadioactivityRelease/AreaRadiation5.1EffluentMonitors5.1.4GeneralEmergencyAvalidreadingonanymonitorsTable5.1column"GE"for)15min.MonitorTable5.1EfHuentMonitorClassificationThresholdsGER-27R-44R-54R-4953p,Ci/cc53p,Ci/ccN/AN/A5.3p.Ci/cc5.3p,Ci/ccN/AN/A5.3E-lpCi/cc5.3E-1pCi/cc2.5E-1pCi/cc2.7E-2pCi/cc2.3E-Sp,Ci/cc2.3E-Sp,Ci/cc2.5E-3p,Ci/cc2.7E-4p,Ci/ccModeApplicability:Basis:ThevaluesshownweredeterminedutilizingIP-1007,"DeterminationoftheMagnitudeofReleaseandExposureRate"basedupona100mRwholebodyexposure.Thesevalueswheredeterminedusingannualaveragemeteorology.The1000mRwholebodyandthe5000mRchildthyroidintegrateddosearebasedontheEPAprotectiveactionguidancewhichindicatesthatpublicprotectiveactionsareindicatedifthedoseexceeds1remwholebodyor5remchildthyroid.ThisisconsistentwiththeemergencyclassdescriptionforaGeneralEmergency.ThislevelconstitutestheupperlevelofthedesirablegradientfortheSiteAreaEmergency.Integrateddosesaregenerallynotmonitoredinreal-time.Inestablishingtheemergencyactionlevels,adurationofonehourisassumed,basedonasiteboundarydoseof1000mR/hourwholebodyor5000mR/hourchildthyroid,whicheverismorelimiting(dependsonsourcetermassumptions).Validmeansthataradiationmonitorreadinghasbeenconfirmedbytheoperatorstobecorrect.5-8 4~~P; OSSI-92-402A-4-IP2IP2EALTechnIcalBasesDocument.Rev0PEG

Reference:

1AG1.1BasisReference(s):2.3.4SystemDescriptionNo.12,RadiationMonitoringAndProtectionsSystemIP-1007,"DeterminationoftheMagnitudeofReleaseandExposureRate"TechnicalSpecificationsSection3.9LetterfromD.SmithtoR.Burns5-9

+lJ OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev05.0RadioactivityRelease/AreaRadiation5.2DoseProjections/EnvironmentalMeasurements/ReleaseRates5.2.1UnusualEventConfirmedsampleanalysesforgaseousorliquidreleaseratesinexcessof2Itechnicalspecificationslimitsfor>60min.ModeApplicability:Basis:Unplannedreleasesinexcessoftwotimesthesitetechnicalspecificationsthatcontinuefor60minutesorlongerrepresentanuncontrolledsituationandhence,apotentialdegradationinthelevelofsafety.Thefinalintegrateddose(whichisverylowintheUnusualEventemergencyclass)isnottheprimaryconcernhere;itisthedegradationinplantcontrolimpliedbythefactthatthereleasewasnotisolatedwithin60minutes.Therefore,itisnotintendedthatthereleasebeaveragedover60minutes.Forexample,areleaseof4timesT/Sfor30minutesdoesnotexceedthisinitiatingcondition.Further,theEmergencyDirectorshouldnotwaituntil60minuteshaselapsed,butshoulddeclaretheeventassoonasitisdeterminedthatthereleasedurationhasorwilllikelyexceed60minutesPEG

Reference:

AU1.2BasisReference(s):1.TechnicalSpecificationsSection3.95-10 e44'ltlVg OSSI-92-402A-4-IP2IP2EALTechntcalBasesDocument,Rev05.0RadioactivityRelease/AreaRadiation5.2DoseProjections/EnvironmentalMeasurements/ReleaseRates5.2.2AlertConfirmedsampleanalysesforgaseousorliquidreleaseratesinexcessof200xtechnicalspecificationslimitsfor>15min.ModeApplicability:Basis:Confirmedsampleanalysesinexcessoftwohundredtimesthesitetechnicalspecificationsthatcontinuefor15minutesorlongerrepresentanuncontrolledsituationandhence,apotentialdegradationinthelevelofsafety.ThiseventescalatesfromtheUnusualEventbyincreasingthemagnitudeofthereleasebyafactorof100overtheUnusualEventlevel(i.e.,200timesTechnicalSpecifications).Proratingthe500mR/yrbasisofthe10CFR20non-occupationalMPClimitsforbothtime(8766hr/yr)andthe200multiplier,theassociatedsiteboundarydoseratewouldbe10mR/hr.Therequiredreleasedurationwasreducedto15minutesinrecognitionoftheincreasedseverity.PEG

Reference:

AA1.2BasisReference(s):1.TechnicalSpecificationsSection3.95-11 1Qg4 OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument.Rev05.0RadioactivityRelease/AreaRadiation5.2DoseProjections/EnvironmentalMeasurements/ReleaseRates5.2.3AlertDoseprojectionsorfieldsurveyswhichindicatedoses/doseratesinexcessofTable5.2column"Alert"atthesiteboundaryorbeyond.Table5,2DoseProection/Env.MeasurementClassificationThresholdsGETEDECDEThyroidTEDErateCDEThyroidrate1000mR5000mR1000mH/hr5000mIMn100mR500mR100mH/hr500mR/hr10mRN/A10ma/hrN/AModeApplicability:Basis:Ofrsiteintegrateddosesinexcessof10mRTEDEordoseratesinexcessof10mR/hrTEDErepresentanuncontrolledsituationandhence,apotentialdegradationinthelevelofsafety.ThiseventescalatesfromtheUnusualEventbyincreasingthemagnitudeofthereleasebyafactorof100overtheUnusualEventlevel(i.e.,200timesTechnicalSpecifications).Proratingthe,500mR/yrbasisof10CFR20forbothtime(8766hr/yr)andthe200multiplier,theassociatedsiteboundarydoseratewouldbe10mR/hr.Aspreviouslystated,the10mR/hrvalueisbasedonaprorationof200timesthe500mR/yrbasisof10CFR20,roundeddownto10mR/hr.I5-12

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument.Rev0PEG

Reference:

AA1.2BasisReference(s):1.IP-1007,"DeterminationoftheMagnitudeofReleaseandExposureRate"2.TechnicalSpecificationsSection3.95-13 f>~rvwC.t$

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev05.0RadioactivityRelease/AreaRadiation5.2DoseProjections/EnvironmentalMeasurements/ReleaseRates5.2.4SiteAreaEmergencyDoseprojectionsorfieldsurveyswhichindicatedoses/doseratesinexcessofTable5.2column"SAE"atthesiteboundaryorbeyond.Table5.2DoseProection/Env.MeasurementClassificationThresholdsGETEDECDEThyroidTEDErateCDEThyroidrate1000mR5000mR1000mR/hr5000mH/hr100mR500mR100mR/hr500mR/hr10mRN/A10mR/hrN/AModeApplicability:Ba'sis:The100mRintegratedTEDEdoseinthisEALisbasedontheproposed10CFR20annualaveragepopulationexposure.Thisvaluealsoprovidesadesirablegradient(oneorderofmagnitude)betweentheAlert,SiteAreaEmergency,andGeneralEmergencyclasses.ItisdeemedthatexposureslessthanthislimitarenotconsistentwiththeSiteAreaEmergencyclassdescription.The500mRintegratedCDEthyroiddosewasestablishedinconsiderationofthe1:5ratiooftheEPAProtectiveActionGuidelinesforwholebodythyroid.Inestablishingthedoserateemergencyactionlevels,adurationofonehourisassumed,Therefore,thedoserateEALsarebasedonasiteboundarydoserateof100mH/hrTEDEor500mR/hrCDEthyroid,whicheverismorelimiting.PEG

Reference:

AS1.3AS1.45-14

OSSI-92-402A-4-IP2IP2EAI-TechnfcalBasesDocument,Rev0BasisReference(s):l.IP-1007,"DeterminationoftheMagnitudeofReleaseandExposureRate"2.TechnicalSpecificationsSection3.95-15 gfq OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev05.0RadioactivityRelease/AreaRadiation5.2DoseProjections/EnvironmentalMeasurements/ReleaseRates5.2.5GeneralEmergencyDoseprojectionsorfieldsurveyswhichindicatedoses/doseratesinexcessofTable5.2column"GE"atthesiteboundaryorbeyond.Table5.2DoseProection/Env.MeasurementClassificationThresholdsGEAlertTEDECDEThyroidTEDErateCDEThyroidrate1000mR5000mR1000mH/hr100mR500mR100mH/hr5000mR/hr500mB/hr10mRN/A10mH/hrN/AModeApplicability:Basis:TheGeneralEmergencyvaluesofTable5.2arebasedontheboundarydoseresultingfromanactualorimminentreleaseofgaseousradioactivitythatexceeds1000mRTEDEor5000mRCDEthyroidfortheactualorprojecteddurationoftherelease.The1000mRTEDEandthe5000mRCDEthyroidintegrateddosearebasedontheEPAprotectiveactionguidancewhichindicatesthatpublicprotectiveactionsareindicatedifthedoseexceeds1remTEDEor5remCDEthyroid.ThisisconsistentwiththeemergencyclassdescriptionforaGeneralEmergency.ThislevelconstitutestheupperlevelofthedesirablegradientfortheSiteAreaEmergency.Actualmeteorologyisspecificallyidentifiedsinceitgivesthemostaccuratedoseassessment.Actualmeteorology(includingforecasts)shouldbeusedwheneverpossible.Inestablishingthedoserateemergencyactionlevels,adurationofonehourisassumed.Therefore,thedoserateEALsarebasedonasiteboundarydoserateof1000mR/hrTEDEor5000mH/hrCDEthyroid,whicheverismorelimiting.5-16

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0PEG

Reference:

AG1.3AG1.4BasisReference(s):1.IP-1007,"DeterminationoftheMagnitudeofReleaseandExposureRate"2.TechnicalSpecificationsSection3.95-17 KC$f1 OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev05.0RadioactivityRelease/AreaRadiation5.3AreaRadiationLevels5.3.1UnusualEvent.AnysustaineddirectARMreadings)100xalarmoroffscalehiresultingfromanuncontrolledprocessModeApplicability:Basis:Validelevatedarearadiationlevelsusuallyhavelongleadtimesrelativetothepotentialforradiologicalreleasebeyondthesiteboundary,thusimpacttopublichealthandsafetyisverylow.ThisEALaddressesunplannedincreasesinradiationlevelsinsidetheplant.Theseradiationlevelsrepresentadegradationinthecontrolofradioactivematerialandapotentialdegradationinthelevelofsafetyoftheplant.Arearadiationlevelsabove100timesthealarmsetpointhavebeenselectedbecausetheyarereadilyidentifiableonARMinstrumentation.SinceARMsetpointsarenominallysetonedecadeovernormallevels,100timesthealarmsetpointprovidesanappropriatethresholdforemergencyclassification.ForthoseARMswhoseupperrangelimitarelessthan100timesthealarmsetpoint,avalueofoffscalehighisused.ThisEALescalatestoanAlert,iftheincreasesimpairthelevelofsafeplantoperation,PEG

Reference:

AU2.4BasisReference(s):None5-18 4@~~C>>

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev05.0RadioactivityRelease/AreaRadiation5.3AreaRadiationLevels5.3.2AlertSustainedarearadiationlevels>15mR/hrineither:ControlRoomORCentralAlarmStationandSecondaryAlarmStationModeApplicability:Basis:ThisEALaddressesincreasedradiationlevelsthatimpedenecessaryaccesstooperatingstationsrequiringcontinuousoccupancytomaintainsafeplantoperationorperformasafeplantshutdown.AreasrequiringcontinuousoccupancyincludetheControlRoom,thecentralalarmstation(CAS)andthesecondarysecurityalarmstation(SAS).ThesecurityalarmstationsareincludedinthisEALbecauseoftheirimportancetopermittingaccesstoareasrequiredtoassuresafeplantoperations.Thevalueof15marisderivedfromtheGDC19valueof5remin30dayswithadjustmentforexpectedoccupancytimes.AlthoughSectionIII.D.3ofNUREG-0737,"Clari6cationofTMIActionPlanRequirements",providesthatthe15mR/hrvaluecanbeaveragedoverthe30days,thevalueisusedherewithoutaveraging.A30daydurationimpliesaneventpotentiallymoresignificantthananAlert.Itistheimpairedabilitytooperatetheplantthatresultsintheactualorpotentialdegradationofthelevelofsafetyoftheplant.ThecauseormagnitudeoftheincreaseinradiationlevelsisnotaconcernofthisEAL.TheEmergencyDirectormustconsiderthesourceorcauseoftheincreasedradiationlevelsanddetermineifanyotherEALsmaybeinvolved.Forexample,adoserateof15mR/hr.intheControlRoommaybeaprobleminitself,However,theincreasemayalsobeindicativeofhighdoseratesinthecontainmentduetoaLOCA.Inthislattercase,aSiteAreaEmergencyoraGeneralEmergencymaybeindicatedbyotherEALcategories.5-19

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0ThisEALisnotintendedtoapplytoanticipatedtemporaryradiationincreasesduetoplannedevents(e.g.,radwastecontainermovement,depletedresintransfers,etc.).PEG

Reference:

AA3.1BasisReference(s):1.GDC192.NUIKG-0737,"ClarificationofTMIActionPlanRequirements",SectionIII.D.35-20 Ir.4, OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev05.0RadioactivityRelease/AreaRadiation5.3-AreaRadiationLevels5.3.3AlertSustainedabnormalarearadiationlevels>8R/hrwithinanyareas,Table5.3ANDAccessisrequiredforsafeoperationorshutdownTable5.3PlantAreas~CondensateStorageTank~RWST~ServiceWaterIntakeStructure~ServiceWaterValvePitEast~FuelStorageBuilding~PrimaryAuxiliaryBuilding/FanHouse~480VoltSwitchgearRoom(ControlBuilding)~CableSpreadingRoom/ElectricalTunnel~DieselGeneratorBuilding/FuelTankArea~AuxiliaryFeedwaterPumpBuilding~BatteryRoom(ControlBuilding33'"ele,)ModeApplicability:Basis:ThisEALaddressesincreasedradiationlevelsinareasrequiringinfrequentaccessinordertomaintainsafeplantoperationorperformasafeplantshutdown.Arearadiationlevelsatorabove8R/hrareindicativeofradiationfieldswhichmaylimitpersonnelaccessoradverselya6'ectequipmentwhoseoperationmaybeneededtoassureadequatecorecoolingorshutdownthereactor.ThebasisofthevalueisdescribedinNMPCmemoFileCodeNMP31027"ExposureGuidelinesForUnusual/AccidentConditions".TheareasselectedareconsistentwiththoselistedinotherEALsandrepresentthosestructureswhichhousesystemsandequipmentnecessaryforthesafeoperationandshutdownoftheplant.Itistheimpairedabilitytooperatetheplantthatresultsintheactualorpotentialdegradationofthelevelofsafetyoftheplant.ThecauseormagnitudeoftheincreaseinradiationlevelsisnotaconcernofthisEAL.TheEmergencyDirectormustconsiderthesourceorcauseoftheincreased5-21 gS OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0radiationlevelsanddetermineifanyotherEALmaybeinvolved.Forexample,adoserateof8H/hrmaybeaprobleminitself.However,theincreasemayalsobeindicativeofhighdoseratesinthecontainmentduetoaLOCA.Inthislattercase,aSiteAreaEmergencyoraGeneralEmergencymaybeindicatedbyotherEALcategories.ThisEALisnotmeanttoapplytoincreasesinthecontainmentradiationmonitorsastheseareeventswhichareaddressedinotherEALs.Norisitintendedtoapplytoanticipatedtemporaryradiationincreasesduetoplannedevents(e.g.,radwastecontainermovement,depleteresintransfers,etc.).PEG

Reference:

AA3.2BasisReference(s):1.NiagaraMohawkPowerCorporationmemoFileCodeNMP31027"ExposureGuidelinesForUnusual/AccidentConditions",Revision1,3/18/935-22

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0Lossofvitalplantelectricalpower.cancompromiseplantsafetysystemoperabilityincludingdecayheatremovalandemergencycorecoolingsystemswhichmaybenecessarytoensurefissionproductbarrierintegrity.Theeventsofthiscategoryhavebeengroupedintothefollowingtwolossofelectricalpowertypes:APr'hiscategoryincludeslossesofonsiteand/oroFsiteACpowersourcesincludingstationblackoutevents.fPrThiscategoryinvolvestotallossesofvitalplant125vdcpowersources.6-1 g4"'

OSSI-92-402A-4-IP2IP2EALTechntcalBasesDocument,Rev06.0ElectricalFailures6.1.1UnusualEvent6.1LossofACPowerSourcesNoneofthefollowingsourcesofoffsitepoweravailablefor>15min.:~UnitAuxiliarytransformer~StationAuxiliarytransformer~13.8KVgasturbinetransformerModeApplicability:Basis:ProlongedlossofallofFsiteACpowerreducesrequiredredundancyandpotentiallydegradesthelevelofsafetyoftheplantbyrenderingtheplantmorevulnerabletoacompletelossofACpower(stationblackout).Fifteenminuteswasselectedasathresholdtoexcludetransientormomentarypowerlosses.PEG

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SU1.1BasisReference(s):1.DesignBasisDocument(DBD)for480Vsystem2.OnelineDiagramofIP-2electricaldistribution6-2 t)llp4"ARj),F(1 OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument.Rev06.0ElectricalFailures6.1.2Alert6.1LossofACPowerSourcesLossofACpowertoall480voltbusses(5A,2A/3A,6A)for>15min.ANDInabilitytopowerrequiredcorecoolingsystemswithalternatepowersourcesfor>15min.ModeApplicability:ColdShutdown,RefuelingBasis:LossofallACpowercompromisesallplantsafetysystemsrequiringelectricpower.ThisEALisindicatedby:lossofalloffsiteANDonsiteACpowertobuses2A,3A,5AAND6Aforgreaterthan15minutesaswellaslossofalternatepowersourcessuchasAlternateSafeShutdownorothertemporarysourcesofpower.WhenincoldshutdownorrefuelingmodetheeventcanbeclassifiedasanAlert,becauseofthesignificantlyreduceddecayheat,lowertemperatureandpressure,increasingthetimetorestoreoneoftheemergencybusses,relativetothatspecifiedfortheSiteAreaEmergencyEAL.EscalatingtotheSiteAreaEmergency,ifappropriate,isbyAbnormalRadLevels/RadiologicalEffluent,orEmergencyDirectorJudgmentICs.Fifteenminuteswasselectedasathresholdtoexcludetransientormomentarypowerlosses.PEG

Reference:

SA1.1BasisReference(s):1.DesignBasisDocument(DBD)for480Vsystem2.OnelineDiagramofIP-2electricaldistribution3.ECA-0.0,LossOfAllACPower6-3

~~lRc"t7pl<

OSSI-92-402A-4-IP2IP2EAITechnfcalBasesDocument,Rev06.0ElectricalFailures6.1.3Alert6.1LossofACPowerSourcesAvailableemergencybusACpowersourcesreducedtoonlyoneofthefollowingfor>15min.:~480VEDG21~480VEDG22~480VEDG23~UnitAuxiliarytransformer~StationAuxiliarytransformer~13.8KVgasturbinetransformerModeApplicability:Poweroperation,hotshutdownBasis:TheconditionindicatedbythisEAListhedegradationoftheoffsitepowerwithaconcurrentfailureofallbutoneemergencygeneratortosupplypowertoitsemergencybus.Anotherrelatedconditioncouldbethelossofalloffsitepowerandlossofonsiteemergencydieselswithonlyonetrainofemergencybussesbeingfedfromtheunitmaingenerator,orthelossofonsiteemergencydieselswithonlyonetrainofemergencybussesbeingfed&omoffsitepower.ThesubsequentlossofthissinglepowersourcewouldescalatetheeventtoaSiteAreaEmergency.PEG

Reference:

SA5.1BasisReference(s):1.DesignBasisDocument(DBD)for480Vsystem2.OnelineDiagramofIP-2electricaldistribution3.ECA-0.0,LossOfAllACPower6-4 4

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev06.0ElectricalFailures6.1.4SiteAreaEmergency6.1LossofACPowerSourcesLossofACpowertoall480voltbusses(5A,2A/3A,6A)for>15min.ANDInabilitytopowerrequiredcorecoolingsystemswithalternatepowersourcesfor>15min.ModeApplicability:Poweroperation,hotshutdownBasis:LossofallACpowercompromisesallplantsafetysystemsrequiringelectricpower.ThisEALisindicatedby:lossofalloffsiteANDonsiteACpowertobuses2A/3A,5AAND6Aforgreaterthan15minutesaswellaslossofalternatepowersourcessuchasAlternateSafeShutdownorothertemporarysourcesofpower.ProlongedlossofallACpowerwillcausecoreuncoveryandlossofcontainmentintegrity,thusthiseventcanescalatetoaGeneralEmergency.Thetimedurationshouldbeselectedtoexcludetransientormomentarypowerlosses,butshouldnotexceed15minutes.PEG

Reference:

SS1.1BasisReference(s):1.DesignBasisDocument(DBD)for480Vsystem2.OnelineDiagramofIP-2electricaldistribution3.ECA-0.0,LossOfAllACPower6-5

<<ogT,I~iJ, OSSI-92-402A-4-IP2IP2EALTechntcalBasesDocument,Rev06.0ElectricalFailures6.1.5GeneralEmergency6.1LossofACPowerSourcesLossofallemergency'busACpowerANDeither:Powercannotberestoredtorequiredcorecoolingsystemsin~1hrORORANGEorREDpathonF-0.2,"CORECOOLING"ModeApplicability:KPoweroperation,hotshutdownBasis:LossofallACpowercompromisesallplantsafetysystemsrequiringelectricpower.ProlongedlossofallACpowerwillleadtolossoffuelclad,RCS,andcontainment.AlthoughthisEALmaybeviewedasredundanttotheRPVWaterLevelEALs,itsinclusionisnecessarytobetterassuretimelyrecognitionandemergencyresponse.ThisEALisspecifiedtoassurethatintheunlikelyeventofprolongedstationblackout,timelyrecognitionoftheseriousnessoftheeventoccursandthatdeclarationofaGeneralEmergencyoccursasearlyasisappropriate,basedonareasonableassessmentoftheeventtrajectory.Thelikelihoodofrestoringatleastoneemergencybusshouldbebasedonarealisticappraisalofthesituationsinceadelayinanupgradedecisionbasedononlyachanceofmitigatingtheeventcouldresultinalossofvaluabletimeinpreparingandimplementingpublicprotectiveactions.Inaddition,undertheseconditions,fissionproductbarriermonitoringcapabilitymaybedegraded.Althoughitmaybedifficulttopredictwhenpowercanberestored,theEmergencyDirectorshoulddeclareaGeneralEmergencybasedontwomajorconsiderations:1.ArethereanypresentindicationsthatcorecoolingisalreadydegradedtothepointthatLossorPotentialLossoffissionproductbarriersisimminent?6-6 t1g-$~41 OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument.Rev02.Iftherearenopresentindicationsofsuchcorecoolingdegradation,~howlikelyisitthatpowercanberestoredintimetoassurethatalossoftwobarrierswithapotentiallossofthethirdbarriercanbeprevented?Thus,indicationofcontinuingcorecoolingdegradationmustbebasedonfissionproductbarriermonitoringwithparticularemphasisonEmergencyDirectorjudgmentasitrelatestoimminentlossorpotentiallossoffissionproductbarriersanddegradedabilitytomonitorfissionproductbarriers.ThetimetorestoreACpowerisbasedonsiteblackoutcopinganalysisperformedinconformancewith10CFR50.63andRegulatoryGuide1.155,"StationBlackout",withappropriateallowanceforoffsiteemergencyresponse.PEG

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SG1.1BasisReference(s):1.2.3.4.5.F-0.2,"CORECOOLING,"DesignBasisDocument(DBD)for480VsystemOnelineDiagramofIP-2electricaldistributionECA-0.0,LossOfAllACPowerLetterIPN-92-0Letterof4/14/89toNRCMailStationPI-137,reStationBlackoutRule10CFR50.636-7

@)'~ylf OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev06.0ElectricalFailures6.2.1UnusualEvent6.2LossofDCPowerSources(105vdcbusvoltageindicationsfor>15min.ontheswitchablevoltmeterforallofthefollowingpanels:21~2223~24ModeApplicability:ColdShutdown,RefuelingBasis:ThepurposeofthisEAListorecognizealossofDCpowercompromisingtheabilitytomonitorandcontroltheremovalofdecayheatduringcoldshutdownorrefuelingoperations.ThisEALisintendedtobeanticipatoryinasmuchastheoperatingcrewmaynothavenecessaryindicationandcontrolofequipmentneededtorespondtotheloss.Thebusvoltageisbasedontheminimumbusvoltagenecessaryfortheoperationofsafetyrelatedequipment.Thisvoltagevalueincorporatesamarginofatleast15minutesofoperationbeforetheonsetofinabilitytooperateloads.PEG

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SU7.1BasisReference(s):1.DesignBasisDocument(DBD)for125VDCSystem6-8

4f>~A OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev06.0ElectricalFailures6.2.2SiteAreaEmergency6.2LossofDCPowerSources(105vdcbusvoltageindicationsfor)15min.ontheswitchablevoltmeterforallofthefollowingpanels

~212223~24ModeApplicability:Poweroperation,hotshutdownBasis:LossofallDCpowercompromisesabilitytomonitorandcontrolplantsafetyfunctions.ProlongedlossofallDCpowerwillcausecoreuncoveringandlossofcontainmentintegritywhenthereissignificantdecayheatandsensibleheatinthereactorsystem.EscalationtoaGeneralEmergencywouldoccurbyotherEALcategories.Fifteenminuteswasselectedasathresholdtoexcludetransientormomentarypowerlosses.Thebusvoltageisbasedontheminimumbusvoltagenecessaryfortheoperationofsafetyrelatedequipment.Thisvoltagevalueincorporatesamarginofatleast15minutesofoperationbeforetheonsetofinabilitytooperateloads.PEG

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SS3.1BasisReference(s):1.DesignBasisDocument(DBD)for125VDCSystem2.AOI27.1.11,Rev.2,LOSSOF125VDCPOWER6-9 J>v1kbt1 OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0Numerousplantsystemrelatedequipmentfailureeventswhichwarrantemergencyclassi6cation,basedupontheirpotentialtoposeactualorpotentialthreatstoplantsafety,havebeenidentifiedinthiscategory.Theeventsofthiscategoryhavebeengroupedintothefollowingeventtypes:~Thnil'fi'OnlyoneEALfallsunderthiseventtyperelatedtothefailureoftheplanttobebroughttotherequiredplantoperatingconditionrequiredbytechnicalspecifications.1'hiscategoryincludeseventswhichareindicativeoflossesofoperabilityofsafetysystemssuchasECCS,isolationfunctions,ControlRoomhabitabilityorcoldandhotshutdowncapabilities.'Alrmm''ertaineventswhichdegradetheplantoperatorsabilitytoeffectivelyassessplantconditionsorcommunicatewithessentialpersonnelwithinorexternaltotheplantwarrantemergencyclassificatio.Underthiseventtypearelossesofannunciatorsand/orcommunicationequipment.7-1 C)$~T"Ihtt, OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev07.0EquipmentFailures7.1TechnicalSpecificationRequirements7.1.1UnusualEventPlantisnotbroughttorequiredoperatingmodewithinTechnicalSpecificationsLCOActionStatementTime.ModeApplicability:Poweroperation,hotshutdownBasis:LimitingConditionsofOperation(LCOs)requiretheplanttobebroughttoarequiredshutdownmodewhentheTechnicalSpecificationrequiredconfigurationcannotberestored.Dependingonthecircumstances,thismayormaynotbeanemergencyorprecursortoamoreseverecondition.Inanycase,theinitiationofplantshutdownrequiredbythesiteTechnicalSpecificationrequiresaonehourreportunder10CFR50.72(b)non-emergencyevents.TheplantiswithinitssafetyenvelopewhenbeingshutdownwithintheallowableactionstatementtimeintheTechnicalSpecifications.AnimmediateNotificationofanUnusualEventisrequiredwhentheplantisnotbroughttotherequiredoperatingmodewithintheallowableactionstatementtimeintheTechnicalSpecifications.DeclarationofanUnusualEventisbasedonthetimeatwhichtheLCO-specifiedactionstatementtimeperiodelapsesunderthesiteTechnicalSpecificationsandisnotrelatedtohowlongaconditionmayhaveexisted.OtherrequiredTechnicalSpecificationshutdownsthatinvolveprecursorstomoreseriouseventsareaddressedbyotherEALs.PEG

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SU2.1BasisReference(s):1.TechnicalSpecifications,paragraph3.0.1,page3.1.A-17-2 fC$'W%lIf'j'k OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev07.0EquipmentFailures7.2SystemFailuresorControlRoomEvacuation7.2.1UnusualEventReportofmainturbinefailurerequiringturbinetripresultingin:Damagetoturbine-generatorsealscausingareleaseoflubricatingoilorhydrogenORCasingpenetration.ModeApplicability:PowerOperationsBasis:ThisEALisintendedtoaddressmainturbinerotatingcomponentfailuresofsuf6cientmagnitudetocauseobservabledamagetotheturbinecasingortothesealsoftheturbinegenerator.Ofmajorconcernisthepotentialforsignificantleakageofcombustiblefluids(lubricatingoils)andgases(hydrogencooling)totheplantenvirons.ItisnottheintentofthisEALtoclassifyminoroperationalleakage.ActualfiresandflammablegasbuildupareappropriatelyclassifiedthroughotherEALs.ThisEALisconsistentwith"thedefinitionofanUnusualEventwhilemaintainingtheanticipatorynaturedesiredandrecognizingtherisktonon-safetyrelatedequipment.PEG

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HU1.6BasisReference(s):None7-3 1f41I OSSI-92-402A-4-IP2IP2EAI.TechnicalBasesDocument,Rev07.0EquipmentFailures7.2SystemFailuresorControlRoomEvacuation7.2.2AlertTurbinefailuregeneratedmissileswhichcausesorpotentiallycausesanyrequiredsafetyrelatedsystemorstructuretobecomeinoperableModeApplicability:PowerOperations,HotShutdownBasis:ThisEALaddressesthethreattosafetyrelatedequipmentimposedbymissilesgeneratedbymainturbinerotatingcomponentfailures.Theinvolvedequipmentincludes;ServiceWaterSystem,CondensateStorageTankandpiping,RefuelingWaterStorageTankandpiping,Shieldwallarea,P.A.B.,Electricalpenetrationarea,DieselGenerators,andCentralControlRoom.ThisEALisconsistentwiththede6nitionofanALERTinthat,ifmissileshavedamagedorpenetratedareascontainingsafety-relatedequipment,thepotentialexistsforsubstantialdegradationofthelevelofsafetyoftheplantPEG

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HA1.6BasisReference(s):1.AOI26.4.2,Rev.2,TURBINEMISSILEGENERATION,12/18/907-4

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev07.0EquipmentFailures7.2SystemFailuresorControlRoomEvacuation7.2.3AlertControlRoomevacuationModeApplicability:Basis:WiththeControlRoomevacuated,additionalsupport,monitoringanddirectionthroughtheTechnicalSupportCenterand/orotheremergencyoperationscenterisnecessary.InabilitytoestablishplantcontrolfromoutsidetheControlRoomwillescalatethiseventtoaSiteAreaEmergency.PEG

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HA5.1BasisReference(s):l.AOI27.1.9,ControlRoomInaccessibility/SafeShutdownControl7-5 I,E(

OSSI-92-402A-4-IP2IP2EAI.TechnicalBasesDocument,Rev07.0EquipmentFailures7.2SystemFailuresorControlRoomEvacuation7.2.4AlertReactorcoolanttemperaturecannotbemaintained(200'FModeApplicability:ColdShutdown,RefuelingBasis:ThisEALaddressescompletelossoffunctionsrequiredforcorecoolingduringrefuelingandcoldshutdownmodes.EscalationtoSiteAreaEmergencyorGeneralEmergencywouldbethroughotherEALs.AreactorcoolanttemperatureincreasethatapproachesorexceedsthecoldshutdowntechnicalspecificationlimitwarrantsdeclarationofanAlertirrespectiveoftheavailabilityoftechnicalspecificationrequiredfunctionstomaintaincoldshutdown.TheconcernofthisEAListhelossofabilitytomaintaintheplantincoldshutdownwhichisdefinedbyreactorcoolanttemperatureandnottheoperabilityofequipmentwhichsupportsremovalofheatfromthereactor.PEG

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SA3.1BasisReference(s):1.TechnicalSpecificationsAmendment152,Table3.1.A.1,pg.3of42.TechnicalSpecificationsFigure3.10-17-6 h(44pIII OSSI-92-402A-4-IP2IP2EAI.TechnicalBasesDocument.Rev07.0EquipmentFailures7.2SystemFailuresorControlRoomEvacuation7.2.5SiteAreaEmergencyControlRoomevacuationANDCorecoolingcannotbeestablishedperAOI27.1.9,"ControlRoomInaccessibility/SafeShutdown"in515min.ModeApplicability:Basis:ThisEALindicatesthatexpeditioustransferofsafetysystemshasnotoccurredbutfissionproductbarrierdamagemaynotyetbeindicated.Thetimeintervalfortransferisbasedonanalysisorassessmentsastohowquicklycontrolmustbereestablishedwithoutcoreuncoveringand/orcoredamage.Incoldshutdownandrefuelingmodes,operatorconcernisdirectedtowardmaintainingcorecoolingsuchasisdiscussedinGenericLetter88-17,"LossofDecayHeatRemoval."Inpoweroperation,andhotshutdownmodes,operatorconcernisprimarilydirectedtowardmaintainingcriticalsafetyfunctionsandtherebyassuringfissionproductbarrierintegrity.PEG

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HS2.1BasisReference(s):1.AOI27.1.9,"ControlRoomInaccessibility/SafeShutdown"2.GenericLetter88-17,"LossofDecayHeatRemoval."7-7

~~ijt,ECpe1IC OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev07.0EquipmentFailures7.3LossofIndications/Alarms/CommunicationCapability7.3.1UnusualEventUnplannedlossofmost(approx.75%)annunciatorsorindicationsonControlRoomPanelsfor)15min.ANDIncreasedsurveillanceisrequiredforsafeplantoperationModeApplicability:Poweroperation,hotshutdownBasis:ThisEALrecognizesthedifficultyassociatedwithmonitoringchangingplantconditionswithouttheuseofamajorportionoftheannunciationorindicationequipment.Recognitionoftheavailabilityofcomputerbasedindicationequipmentisconsidered."Unplanned"lossofannunciatorsorindicatorsexcludesscheduledmaintenanceandtestingactivities.ItisnotintendedthatplantpersonnelperformadetailedcountoftheinstrumentationlostbuttheuseofjudgmentbytheSeniorWatchSupervisorasthethresholdfordeterminingtheseverityoftheplantconditions.ThisjudgmentissupportedbythespecificopinionoftheSeniorWatchSupervisorthatadditionaloperatingpersonnelwillberequiredtoprovideincreasedmonitoringofsystemoperationtosafelyoperatetheplant.Itisfurtherrecognizedthatmostplantdesignsprovideredundantsafetysystemindicationpoweredfromseparateuninterruptablepowersupplies.Whilefailureofalargeportionofannunciatorsismorelikelythanafailureofalargeportionofindications,theconcernisincludedinthisEALduetodifEicultyassociatedwithassessmentofplantconditions.Thelossofspecific,orseveral,safetysystemindicatorsshouldremainafunctionofthatspecificsystemorcomponentoperabilitystatus.ThiswillbeaddressedbytheirspecificTechnicalSpecification.TheinitiationofaTechnicalSpecificationimposedplantshutdownrelatedtotheinstrumentlosswillbereportedvia10CFR50.72.IftheshutdownisnotincompliancewiththeTechnicalSpecificationaction,theUnusualEventisbasedonEAL7.1.1,InabilitytoReachRequiredShutdownWithinTechnicalSpecificationLimits.7-8

OSSI-92-402A-4-IP2IP2EALTechnIcalBasesDocument,Rev0AnnunciatorsorindicatorsforthisEALmustincludethoseidentifiedintheAbnormalOperatingprocedures,intheEmergencyOperatingProcedures,andinotherEALs(e.g.,area,process,and/oreffluentradmonitors,etc.).Fifteenminuteswasselectedasathresholdtoexcludetransientormomentarypowerlosses.Duetothelimitednumberofsafetysystemsinoperationduringcoldshutdown,refueling,anddefueledmodes,thisEALisnotapplicableduringthesemodesofoperation.ThisUnusualEventwillbeescalatedtoanAlertifatransientisinprogressduringthelossofannunciationorindication.PEG

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SU3.1BasisReference(s):SimulatorWalkdown7-9 Zp*tCga QSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev07.0EquipmentFailures7.3LossofIndications/Alarms/CommunicationCapability7.3.2UnusualEventLossofallcommunicationscapabilityaffectingtheabilitytoeither:PerformroutineoperationsORNotifyoffsiteagenciesorpersonnelModeApplicability:Basis:ThepurposeofthisEAListorecognizealossofcommunicationscapabilitythateitherdefeatstheplantoperationsstaffabilitytoperformroutinetasksnecessaryforplantoperationsortheabilitytocommunicateproblemswithoffsiteauthorities.Thelossofoffsitecommunicationsabilityisexpectedtobesignificantlymorecomprehensivethantheconditionaddressedby10CFR50.72.Theonsitecommunicationslossmustencompassthelossofallmeansofroutinecommunications(i.e.,phones,soundpoweredphonesystems,pagepartysystem,andradios/walkietalkies).Theoffsitecommunicationslossmustencompassthelossofallmeansofcommunicationswithoffsiteauthorities.ThisshouldincludeENS,Belllines,FAXtransmissions,anddedicatedphonesystems.ThisEALisintendedtobeusedonlywhenextraordinarymeansarebeingutilizedtomakecommunicationspossible(relayingofinformationfromradiotransmissions,individualsbeingsenttooffsitelocations,etc.).PEG

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SU6.1BasisReference(s):None7-10 c*~PQj,lP>>

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev07.0EquipmentFailures7.3LossofIndications/Alarms/CommunicationCapability7.3.3AlertUnplannedlossofmost(approx,75%)annunciatorsorindicationsonControlRoomPanelsfor>15min.ANDIncreasedsurveillanceisrequiredforsafeplantoperationANDeither:AplanttransientinprogressORPROTEUSandSASareunavailableModeApplicability:Poweroperation,hotshutdownBasis:ThisEALrecognizesthedifBcultyassociatedwithmonitoringchangingplantconditionswithouttheuseofamajorportionoftheannunciationorindicationequipmentduringatransient.Recognitionoftheavailabilityofcomputerbasedindicationequipmentisconsidered(PROTEUS,SAS,etc.)."Unplanned"lossofannunciatorsorindicatorsdoesnotincludescheduledmaintenanceandtestingactivities.ItisnotintendedthatplantpersonnelperformadetailedcountoftheinstrumentationlostbuttheuseofjudgmentbytheSeniorWatchSupervisorasthethresholdfordeterminingtheseverityoftheplantconditions.ThisjudgmentissupportedbythespecificopinionoftheSeniorWatchSupervisorthatadditionaloperatingpersonnelwillberequiredtoprovideincreasedmonitoringofsystemoperationtosafelyoperatetheplant.Itisfurtherrecognizedthatmostplantdesignsprovideredundantsafetysystemindicationpoweredfromseparateuninterruptablepowersupplies.Whilefailureofalargeportionofannunciatorsismorelikelythanafailureofalargeportionofindications,theconcernisincludedinthisEALduetodifficultyassociatedwithassessmentofplantconditions.Thelossofspecific,orseveral,safetysystemindicatorsshouldremainafunctionofthatspecificsystemorcomponentoperabilitystatus.ThiswillbeaddressedbythespecificTechnicalSpecification.TheinitiationofaTechnicalSpecificationimposedplantshutdownrelatedtotheinstrumentlosswillbereportedvia10CFR50.72.7-11 IQ'44 OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0AnnunciatorsorindicatorsforthisEALincludesthoseidentifiedintheAbnormalOperatingProcedures,intheEmergencyOperatingProcedures,andinotherEALs(e.g.,area,process,and/orefHuentradmonitors,etc.)."Significanttransient"includesresponsetoautomaticormanuallyinitiatedfunctionssuchastrips,runbacksinvolvinggreaterthan25%thermalpowerchange,ECCSinjections,orthermalpoweroscillationsof10%orgreater.Ifbothamajorportionoftheannunciationsystemandallcomputermonitoringareunavailabletotheextentthattheadditionaloperatingpersonnelarerequiredtomonitorindications,theAlertisrequired.Duetothelimitednumberofsafetysystemsinoperationduringcoldshutdown,refuelinganddefueledmodes,noEALisindicatedduringthesemodesofoperation.ThisAlertwillbeescalatedtoaSiteAreaEmergencyiftheoperatingcrewcannotmonitorthetransientinprogress.PEG

Reference:

SA4.1BasisReference(s):Simulatorwalkdown7-12 Ikj'4j4 OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev07.0EquipmentFailures7.3LossofIndications/Alarms/CommunicationCapability7.3.4SiteAreaEmergencyLossofmost(approx.75%)annunciatorsorindicationsonControlRoomPanelsANDCompletelossofabilitytomonitorallcriticalsafetyfunctionstatusANDAplanttransientinprogressModeApplicability:Poweroperation,hotshutdownBasis:ThisEALrecognizestheinabilityoftheControlRoomstafftomonitortheplantresponsetoatransient.ASiteAreaEmergencyisconsideredtoexistiftheControlRoomstaffcannotmonitorsafetyfunctionsneededforprotectionofthepublic.AnnunciatorsforthisEALshouldbelimitedtoincludethoseidentifiedintheAbnormalOperatingProcedures,intheCSFST'sandEmergencyOperatingProcedures,andinotherEALs(e.g.,radmonitors,etc.)."Significanttransient"includesresponsetoautomaticormanuallyinitiatedfunctionssuchasscrams,runbacksinvolvinggreaterthan25%thermalpowerchange,ECCSinjections,orthermalpoweroscillationsof10%orgreater.IndicationsneededtomonitorcriticalsafetyfunctionsnecessaryforprotectionofthepublicmustincludeControlRoomindications,computergeneratedindicationsanddedicatedannunciationcapability.Thespecificindicationsshouldbethoseusedtodeterminesuchfunctionsastheabilitytoshutdownthereactor,maintainthecorecooledandinaeoolablegeometry,toremoveheatfromthecore,tomaintainthereactorcoolantsystemintact,andtomaintaincontainmentintact."Planned"actionsareexcludedfromtheEALsincethelossofinstrumentationofthismagnitudeisofsuchsignificanceduringatransientthatthecauseofthelossisnotanamelioratingfactor.7-13

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0PEG

Reference:

SS6.zBasisReference(s):None7-14

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0Hazardsarethosenon-plantsystemrelatedeventswhichcandirectlyorindirectlyimpactplantoperationorreactorplantandpersonnelsafety,Theeventsofthiscategoryhavebeengroupedintothefollowingtypes:Etltlty'dtt'*dtyttytintotheProtectedAreaaswellasbombthreatsandsabotageattempts.Alsoaddressedareactualsecuritycompromisesthreateninglossofphysicalcontroloftheplant.EM~1'irescanposesignificanthazardstopersonnelandreactorsafety.AppropriateforclassificationarefireswithinthesiteProtectedAreaorwhichmayaQectoperabilityofvitalequipment.~M-EM-dttt-tElyoccurringeventswhichcancausedamagetoplantfacilitiessuchasaircraRcrashes,missileimpacts,toxicorflammablegasleaksorexplosionsfromwhateversource.Etqt',~tqdldwhichhavepotentialtocausedamagetoplaritstructuresorequipmentsignificantenoughtothreatenpersonnelorplantsafety.8-1 Q,kd OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev08.0Hazards8.1.1UnusualEvent8.1SecurityThreatsBombdeviceorotherindicationofattemptedsabotagediscoveredwithinplantProtectedArea.ModeApplicability:Basis:ThisEALisbasedontheIP-2SafeguardsContingencyPlan.Securityeventswhichdonotrepresentatleastapotentialdegradationinthelevelofsafetyoftheplant,arereportedunder10CFR73.71orinsomecasesunder10CFR50.72.TheplantProtectedAreaboundaryiswithinthesecurityisolationzoneandisdefinedinthesecurityplan.BombdevicesdiscoveredwithintheplantvitalareawouldresultinEALescalation.PEG

Reference:

HU4.1HU4.2BasisReference(s):1.IP-2SafeguardsContingencyPlan2.Table3.1,"VitalAreasByTypeAndCategory."8-2

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev08.0Hazards8.1SecurityThreats8.1.2AlertIntrusionintoplantProtectedAreabyanadversary.ModeApplicability:Basis:ThisclassofsecurityeventsrepresentsanescalatedthreattoplantsafetyabovethatcontainedintheUnusualEvent.ForthepurposesofthisEAL,theintrusionbyarmedorsuspectedtobearmedunauthorizedpersonnelinsidetheProtectedAreaboundarycanbeconsideredasignificantsecuritythreat.IntrusionintoavitalareabysimilarpersonnelwillescalatethiseventtoaSiteAreaEmergency.PEG

Reference:

HA4.1HA4.2BasisReference(s):1.IP-2SafeguardsContingencyPlan2.Table3.1,"VitalAreasByTypeAndCategory."8-3 tqi OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev08.0Hazards8.1SecurityThreats8.1.3SiteAreaEmergencyIntrusionintoaplantsecurityvitalareabyanadversary.ModeApplicability:Basis:ThisclassofsecurityeventsrepresentsanescalatedthreattoplantsafetyabovethatcontainedintheAlertinthatarmedorsuspectedtobearmedunauthorizedpersonnelhaveprogressedfromtheProtectedAreatothevitalarea.PEG

Reference:

HS1.1HS1.2BasisReference(s):1.IP-2SafeguardsContingencyPlan2.Table3.1,"VitalAreasByTypeAndCategory."8-4

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev08.0Hazards8.1.4GeneralEmergency8.1SecurityThreatsSecurityeventwhichresultsin:LossofplantcontrolfromtheControlRoomANDLossofremoteshutdowncapabilityModeApplicability:Basis:ThisEALencompassesconditionsunderwhichunauthorizedpersonnelhavetakenphysicalcontrolofvitalareasrequiredtoreachandmaintainsafeshutdown.PEG

Reference:

HG1.1HG1.2BasisReference(s):1.IP-2SafeguardsContingencyPlan2.Table3.1,"VitalAreasByTypeAndCategory."8-5

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev08.0Hazards8.2.1UnusualEvent8.2FireorExplosionConfirmedfireinanyplantarea,Table8.2notextinguishedin515min.ofControlRoomnotification.Table8.2PlantVitalAreas~CondensateStorageTank~RWST~ServiceWaterPumpStructure~ServiceWaterValvePitEast~FuelStorageBuilding~PrimaryAuxiliaryBuilding/FanHouse~VaporContainmentBuilding~480VoltSwitchgearRoom(ControlBldg.)~CableSpreadingRoom/ElectricalTunnel~CentralControlRoom~DieselGeneratorBuilding/FuelTankArea~AuxiliaryFeedwaterPumpBuilding~BatteryRoom(ControlBldg.33'0"ele.)~CentralAlarmStationModeApplicability:Basis:ThepurposeofthisEAListoaddressthemagnitudeandextentoffiresthatmaybepotentiallysignificantprecursorstodamagetosafetysystems.Thisexcludessuchitemsasfireswithinadministrationbuildings,waste-basketfires,andothersmallfiresofnosafetyconsequence.PEG

Reference:

HU2.18-6

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0BasisReference(s):1.Table3.1,"VitalAreasByTypeAndCategory."8-7 I'lr OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev08.0Hazards8.2.2UnusualEvent8.2FireorExplosionReportbyplantpersonnelofanexplosionwithinProtectedAreaboundarywhichimpactsplantsafetyrelatedsystemsorstructures.ModeApplicability:Basis:TheProtectedAreaboundaryiswithinthesecurityisolationzoneandisdefinedinthesitesecurityplan.ForthisEAL,onlythoseexplosionsofsufficientforcetodamagepermanentstructuresorequipmentwithintheProtectedAreashouldbeconsidered.Asusedhere,anexplosionisarapid,violent,unconfinedcombustion,oracatastrophicfailureofpressurizedequipment,thatpotentiallyimpartssignificantenergytonearbystructuresandmaterials.NoattemptismadeinthisEALtoassesstheactualmagnitudeofthedamage.Theoccurrenceoftheexplosionwithreportsofevidenceofdamage(e.g.,deformation,scorching)issufBcientfordeclaration.TheEmergencyDirectoralsoneedstoconsideranysecurityaspectsoftheexplosion.PEG

Reference:

HU1.5BasisReference(s):1.SitePlotPlan8-8

.44'U OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev08.0Hazards8.2.3Alert8.2FireorExplosionFireorexplosioninanyplantarea,Table8.2whichcausesorpotentiallycausesanyrequiredsafetyrelatedsystemorstructuretobecomeinoperableTable8.2PlantVitalAreas~CondensateStorageTank~RWST~ServiceWaterPumpStructure~ServiceWaterValvePitEast~FuelStorageBuilding~PrimaryAuxiliaryBuilding/FanHouse~VaporContainmentBuilding~480VoltSwitchgearRoom(ControlBldg.)~CableSpreadingRoom/ElectricalTunnel~CentralControlRoom~DieselGeneratorBuilding/FuelTankArea~AuxiliaryFeedwaterPumpBuilding~BatteryRoom(ControlBldg.33'0"ele.)~CentralAlarmStationModeApplicability:Basis:Thelistedareascontainfunctionsandsystemsrequiredforthesafeshutdownoftheplant.TheIP-2safeshutdownanalysiswasconsultedforequipmentandplantareasrequiredfortheapplicablemode.Withregardtoexplosions,onlythoseexplosionsofsufficientforcetodamagepermanentstructuresorequipinentrequiredforsafeoperationwithintheidentifiedplantareasshouldbeconsidered.Asusedhere,anexplosionisarapid,violent,unconfinedcombustion,oracatastrophicfailureofpressurizedequipment,thatpotentiallyimpartssignificantenergytonearbystructuresandmaterials.NoattemptismadeinthisEALtoassesstheactualmagnitudeofthedamage.ThedeclarationofanAlertandtheactivationoftheTSCwillprovidetheEmergencyDirectorwiththeresourcesneededtoperformdamageassessments.TheEmergencyDirectoralsoneedstoconsideranysecurityaspectsoftheexplosions.8-9

OSSI-92-402A-4-IP2IP2EALTechnfcalBasesDocument,Rev0PEG

Reference:

HA2.1BasisReference(s):1.Table3.1,"VitalAreasByTypeAndCategory."8-10

$1~

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument.Rev08.0Hazards8.3.1UnusualEvent8.3Man-MadeEventsVehiclecrashintoorprojectilewhichimpactsplantsafetyrelatedstructuresorsystemswithinProtectedAreaboundaryModeApplicability:Basis:TheProtectedAreaboundaryiswithinthesecurityisolationzoneandisdefinedinthesitesecurityplan.ThisEALaddressessuchitemsasplane,helicopter,train,barge,carortruckcrash,orimpactofotherprojectilesthatmaypotentiallydamageplantstructurescontainingfunctionsandsystemsrequiredforsafeshutdownoftheplant.Ifthecrashisconfirmedtoaffectaplantvitalarea,theeventmaybeescalatedtoAlert.PEG

Reference:

HU1.4BasisReference(s):1.SitePlotPlan8-11 i+l,pl OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev08.0Hazards8.3Man-MadeEvents8.3.2UnusualEventReportordetectionoftoxicorflammablegasesthatcouldenterorhaveenteredwithintheProtectedAreaboundaryinamountsthatcouldaffectthehealthofplantpersonnelorsafeplantoperationORReportbylocal,countyorstateofBcials,orUnit3,forpotentialevacuationofsitepersonnelbasedonoffsiteeventModeApplicability:Basis.ThisEALisbasedonreleasesinconcentrationswithinthesiteboundarythatwillaffectthehealthofplantpersonneloraffectingthesafeoperationoftheplantwiththeplantbeingwithintheevacuationareaofanoffsiteevent(i.e.,tankertruckaccidentreleasingtoxicgases,etc.).TheevacuationareaisasdeterminedfromtheDOTEvacuationTablesforSelectedHazardousMaterials,intheDOTEmergencyResponseGuideforHazardousMaterials.Shouldanexplosionoccurwithinaspecifiedplantarea,anAlertwouldbedeclaredbasedonEAL8.2.2.PEG

Reference:

HU3.1HU3.2BasisReference(s):None8-12 JCt4k%

OSSI-92-402A-4-IP2IP2EALTechnIcalBasesDocument,Rev08.0Hazards8.3.3Alert8.3Man-MadeEventsVehiclecrashorprojectileimpactwhichcausesorpotentiallycausesanyrequiredsafetyrelatedsystemorstructuretobecomeinoperable,Table8.2Table8.2PlantVitalAreas~CondensateStorageTank~RWST~ServiceWaterPumpStructure~ServiceWaterValvePitEast~FuelStorageBuilding~PrimaryAuxiliaryBuilding/FanHouse~VaporContainmentBuilding~480VoltSwitchgearRoom(ControlBldg.)~CableSpreadingRoom/ElectricalTunnel~CentralControlRoom~DieselGeneratorBuilding/FuelTankArea~AuxiliaryFeedwaterPumpBuilding~BatteryRoom(ControlBldg.33'0"ele.)~CentralAlarmStationModeApplicability:Basis:ThisEALaddresseseventsthatmayhaveresultedinaplantvitalareabeingsubjectedtoforcesbeyonddesignlimits,andthusdamagemaybeassumedtohaveoccurredtoplantsafetysystems.Theinitialreportshouldnotbeinterpretedasmandatingalengthydamageassessmentpriortoclassification.NoattemptismadeinthisEALtoassesstheactualmagnitudeofthedamage.ThisEALaddressessuchitemsasplane,helicopter,train,barge,carortruckcrash,orimpactofprojectilesintoaplantvitalarea.PEG

Reference:

8-13

OSSI-92-402A-4-IP2IP2EALTechntcalBasesDocument,Rev0BasisReference(s):1.Table3.1,"VitalAreasByTypeAndCategory."8-14 allI OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument.Rev08.0Hazards8.3.4Alert8.3Man-MadeEventsReportordetectionoftoxicorflammablegaseswithinaplantarea,Table8.2,inconcentrationsthatwillbelifethreateningtoplantpersonnelorprecludeaccesstoequipment(evenwhenusingpersonalprotectiveequipment)necessaryforsafeplantoperationTable8.2PlantVitalAreas~CondensateStorageTank~RWST~ServiceWaterPumpStructure~ServiceWaterValvePitEast~FuelStorageBuilding~PrimaryAuxiliaryBuilding/FanHouse~VaporContainmentBuilding~480VoltSwitchgearRoom(ControlBldg.)~CableSpreadingRoom/ElectricalTunnel~CentralControlRoom~DieselGeneratorBuilding/FuelTankArea~AuxiliaryFeedwaterPumpBuilding~BatteryRoom(ControlBldg.33'0"ele.)~CentralAlarmStationModeApplicability:Basis:ThisEALisbasedongasesthathaveenteredaplantstructureprecludingaccesstoequipmentnecessaryforthesafeoperationoftheplant.ThisEALappliestobuildingsandareascontiguoustoplantvitalareasorothersigniflcantbuildingsorareas.TheintentofthisEALisnottoincludebuildings(i.e.,warehouses)orotherareasthatarenotcontiguousorimmediatelyadjacenttoplantvitalareas.Itisappropriatethatincreasedmonitoringbedonetoascertainwhetherconsequentialdamagehasoccurred.8-15

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0PEG

Reference:

HA3.1HA3.2BasisReference(s):None8-16 tQ)pDII6 OSSI-92-402A-4-IP2IP2EAITechnfcalBasesDocument,Rev08.0Hazards8.4.1UnusualEvent8.4NaturalEventsEarthquakefeltinplantbyanyplantoperatorANDNotificationreceivedfromUnit3thatanearthquakehasbeendetectedontheirinstrumentationModeApplicability:Basis:Unit3seismicinstrumentationactuatesat0.01g.Damagetosomeportionsofthesitemayoccurbutitshouldnotacctabilityofsafetyfunctionstooperate.Methodsofdetectioncanbebasedoninstrumentationvalidatedbyareliablesource,operatorassessment,orindicationreceivedfromoutsideagencies.AsdefinedintheEPRI-sponsored"GuidelinesforNuclearPlantResponsetoanEarthquake",datedOctober1989,a"feltearthquake"is:"AnearthquakeofsufBcientintensitysuchthat:(a)theinventorygroundmotionisfeltatthenuclearplantsiteandrecognizedasanearthquakebasedonaconsensusofControlRoomoperatorsondutyatthetime,and(b)forplantswithoperableseismicinstrumentation,theseismicswitchesoftheplantareactivated.Formostplantswithseismicinstrumentation,theseismicswitchesaresetatanaccelerationofabout0.01g."PEG

Reference:

HU1.1BasisReference(s):1.EPRIdocument,"GuidelinesforNuclearPlantResponsetoanEarthquake",datedOctober19892.AbnormalOperatingInstruction28.0.88-17

OSSI-92-402A-4-IP2IP2EAITechnIcalBasesDocument.Rev08.0Hazards8.4NaturalEvents8.4.2UnusualEventReportbyplantpersonneloftornadowithinplantProtectedAreaboundaryModeApplicability:Basis:ThisEALisbasedontheassumptionthatatornadostriking(touchingdown)withintheProtectedAreaboundarymayhavepotentiallydamagedplantstructurescontainingfunctionsorsystemsrequiredforsafeshutdownoftheplant.Ifsuchdamageisconfirmedvisuallyorbyotherin-plantindications,theeventmaybeescalatedtoAlert.PEG

Reference:

HU1.2BasisReference(s):1.NRCSafetyEvaluationReport,11/26/708-18 I"IgI'ax'Q OSSI-92-402A-4-IP2IP2EALTechntcalBasesDocument,Rev08.0Hazards8.4NaturalEvents8.4.3UnusualEventAssessmentbyControlRoompersonnelthatanaturaleventhasoccurredwhichimpactsplantsafetyrelatedstructuresorsystems,Table8.2Table8.2PlantVitalAreas~CondensateStorageTank~RWST~ServiceWaterPumpStructure~ServiceWaterValvePitEast~FuelStorageBuilding~PrimaryAuxiliaryBuilding/FanHouse~VaporContainmentBuilding~480VoltSwitchgearRoom(ControlBldg.)~CableSpreadingRoom/ElectricalTunnel~CentralControlRoom~DieselGeneratorBuilding/FuelTankArea~AuxiliaryFeedwaterPumpBuilding~BatteryRoom(ControlBldg.33'0"ele.)~CentralAlarmStationModeApplicability:Basis:ThisEALallowsfortheControlRoomtodeterminethataneventhasoccurredandtakeappropriateactionbasedonpersonalassessmentasopposedtoverification(i.e.,anearthquakeisfeltbutdoesnotregisteronanyplant-specificinstrumentation,etc.).PEG

Reference:

HU1.3BasisReference(s):None8-19

OSSI-92-402A-4-IP2IP2EALTechntcalBasesDocument,Rev08.0Hazards8.4.4UnusualEvent8.4NaturalEventsRiverlevel>14.5'OMSL)ORServicewaterbaylevel(-4.5'OMSL)ModeApplicability:Basis:Thiscovershighandlowriverwaterlevelconditionsthatcouldbeprecursorsofmoreseriousevents.Riverwaterlevel)14.5ft.correspondstothemaximumanticipatedriverrunuplevel.ServicewaterBaylevel<-4.5ft,correspondstotheminimumleveltosupportdesignservicewaterflowrate.PEG

Reference:

HU1.7BasisReference(s):1.FSARSection2.52.ServiceWaterDesignBasisDocumentSection1.4.1.1.28-20 P~~4 OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument.Rev08.0Hazards8.4.5Alert8.4NaturalEventsEarthquakefeltinplantbyanyplantoperatorANDNotificationfromUnit3thatanearthquakeofamagnitude)0.15ghorizontalor20.10gverticalhasoccurred.ModeApplicability:BasxsoThisEALaddresseseventsthatmayhaveresultedinaplantvitalareabeingsubjectedtoforcesbeyonddesignlimits,andthusdamagemaybeassumedtohaveoccurredtoplantsafetysystems.Theinitialreportshouldnotbeinterpretedasmandatingalengthydamageassessmentpriortoclassification.NoattemptismadeinthisEALtoassesstheactualmagnitudeofthedamage.ThisEALisbasedontheFSARdesignbasisoperatingearthquakeof0.15ghorizontalor0.10gvertical.Seismiceventsofthismagnitudecancausedamagetoplantsafetyfunctions.PEG

Reference:

HA1.1BasisReference(s):l.AbnormalOperatingInstruction28.0.88-21 II'II1 OSSI-92-402A-4-IP2IP2EALTechnIcalBasesDocument,Rev08.0Hazards8.4.6Alert8.4NaturalEventsSustainedwinds)100mphonsiteORTornadostrikesaplantvitalarea,Table8.2Table8.2PlantVitalAreas~CondensateStorageTank~RWST~ServiceWaterPumpStructure~ServiceWaterValvePitEast~FuelStorageBuildingPrimaryAuxiliaryBuilding/FanHouse~VaporContainmentBuilding~480VoltSwitchgearRoom(ControlBldg.)CableSpreadingRoom/ElectricalTunnel~CentralControlRoom~DieselGeneratorBuilding/FuelTankArea~AuxiliaryFeedwaterPumpBuilding~BatteryRoom(ControlBldg.33'0"ele.)~CentralAlarmStationModeApplicability:Basis:ThisEALaddresseseventsthatmayhaveresultedinaplantvitalareabeingsubjectedtoforcesbeyonddesignlimits,andthusdamagemaybeassumedtohaveoccurredtoplantsafetysystems.Theinitialreportshouldnotbeinterpretedasmandatingalengthydamageassessmentpriortoclassification.NoattemptismadeinthisEALtoassesstheactualmagnitudeofthedamage.ThisEALisbasedontheFSARdesignbasisof100mph.Windloadsofthismagnitudecancausedamagetosafetyfunctions.PEG

Reference:

HA1.28-22

OSSI-92-402A-4-IP2IP2EALTechnIcalBasesDocument,Rev0BasisReference(s):1.NRCSafetyEvaluationReport,11/26/708-23 h4 OSSI-92-402A-4-IP2IP2EALTechnfcalBasesDocument.Rev08.0Hazards8.4.7Alert8.4NaturalEventsAssessmentbytheControlRoompersonnelthatanaturaleventhasoccurredwhichcausesorpotentiallycausesanyrequiredsafetyrelatedsystemorstructuretobecomeinoperable,Table8.2Table8.2PlantVitalAreas~CondensateStorageTank~RWST~ServiceWaterPumpStructure~ServiceWaterValvePitEast~FuelStorageBuilding~PrimaryAuxiliaryBuilding/FanHouse~VaporContainmentBuilding~480VoltSwitchgearRoom(ControlBldg.)~CableSpreadingRoom/ElectricalTunnel~CentralControlRoom~DieselGeneratorBuilding/FuelTankArea~AuxiliaryFeedwaterPumpBuilding~BatteryRoom(ControlBldg.33'0"ele.)~CentralAlarmStationModeApplicability:Basis:ThisEALaddresseseventsthatmayhaveresultedinaplantvitalareabeingsubjectedtoforcesbeyonddesignlimits,andthusdamagemaybeassumedtohaveoccurredtoplantsafetysystems.Theinitialreportshouldnotbeinterpretedasmandatingalengthydamageassessmentpriortoclassification.NoattemptismadeinthisEALtoassesstheactualmagnitudeofthedamage.ThisEALspecifiesareasinwhichstructurescontainingsystemsandfunctionsrequiredforsafeshutdownoftheplantarelocated.8-24

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0PEG

Reference:

HA1.3BasisReference(s):1.Table3.1,"VitalAreasByTypeAndCategory8-25 44' OSSI-92-402A-4-IP2IP2EAI.TechntcalBasesDocument,Rev08.0Hazards8.4.8Alert8.4NaturalEventsRiverlevel215'OMSL)ORLowservicewaterbaylevelresultinginalossofservicewaterflowModeApplicability:Basis:ThisEALaddresseseventsthatmayhaveresultedinaplantvitalareabeingsubjectedtolevelsbeyonddesignlimits,andthusdamagemaybeassumedtohaveoccurredtoplantsafetysystems.ThisEALcovershighandlowlakewaterlevelconditionsthatexceedlevelswhichthreatenvitalequipment.Ariverlevel)15ft.correspondstoFSARde6nedcriticalfloodlevelwhichwouldthreatenvitalequipment.ServiceWaterBaylevelbelowthatwhichresultsinalossofservicewaterflowwouldresultinalossofcoolingwatertonumerousvitalcomponents.PEG

Reference:

HA1.7BasisReference(s):1.FSARSection2.52.ServiceWaterDesignBasisDocumentSection1.4.1.1.28-26

'gc, OSSI-92-402A-4-IP2IP2EAI-TechntcalBasesDocument,Rev0TheEALsdefinedincategories1.0through8.0specifythepredeterminedsymptomsoreventswhichareindicativeofemergencyorpotentialemergencyconditions,andwhichwarrantclassification.WhiletheseEALshavebeendevelopedtoaddressthefullspectrumofpossibleemergencyconditionswhichmaywarrantclassificationandsubsequentimplementationoftheEmergencyPlan,aprovisionforclassificationofemergenciesbasedonoperator/managementexperienceandjudgmentisstillnecessary.TheEALsofthiscategoryprovidetheSeniorWatchSupervisor,POMorEmergencyDirectorthelatitudetoclassifyemergencyconditionsconsistentwiththeestablishedclassificationcriteria,basedupontheirjudgment.9-1 (4'1@4 OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev09.0Other9.1.1UnusualEventAnyevent,asdeterminedbytheSeniorWatchSupervisor,POMorEmergencyDirector,thatcouldleadtoorhasledtoapotentialdegradationofthelevelofsafetyoftheplant.ModeApplicability:Basis:ThisEALaddressesunanticipatedconditionsnotaddressedexplicitlyelsewherebutthatwarrantdeclarationofanemergencybecauseconditionsexistwhicharebelievedbytheEmergencyDirectortofallundertheUnusualEventemergencyclass.Fromabroadperspective,oneareathatmaywarrantEmergencyDirectorjudgmentisrelatedtolikelyoractualbreakdownofsitespecificeventmitigatingactions.Examplestoconsiderincludeinadequateemergencyresponseprocedures,transientresponseeitherunexpectedornotunderstood,failureorunavailabilityofemergencysystemsduringanaccidentinexcessofthatassumedinaccidentanalysis,orinsufBcientavailabilityofequipmentand/orsupportpersonnel.PEG

Reference:

HU5.1BasisReference(s):None9-2 C+)Qlj.t OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev09.0Other9.1.2UnusualEventAnyevent,asdeterminedbytheSeniorWatchSupervisor,POMorEmergencyDirector,thatcouldleadtoorhasledtoalossorpotentiallossofcontainment.ModeApplicability:Poweroperation,hotshutdownBasis:ThisEALaddressesanyotherfactorsthataretobeusedbytheEmergencyDirectorindeterminingwhetherthecontainmentbarrierislostorpotentiallylost.Inaddition,theinabilitytomonitorthebarriershouldalsobeincorporatedinthisEALasafactorinEmergencyDirectorjudgmentthatthebarriermaybeconsideredlostorpotentiallylost.PEG

Reference:

PC8.1BasisReference(s):None9-3 Cl' OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev09.0Other9.1.3AlertAnyevent,asdeterminedbytheSeniorWatchSupervisor,POMorEmergencyDirector,thatcouldcauseorhascausedactualsubstantialdegradationofthelevelofsafetyoftheplant.ModeApplicability:Basis:ThisEALaddressesunanticipatedconditionsnotaddressedexplicitlyelsewherebutthatwarrantdeclarationofanemergencybecauseconditionsexistwhicharebelievedbytheEmergencyDirectortofallundertheAlertemergencyclass.PEG

Reference:

HA6.1BasisReference(s):None9-4 4!Qt OSSI-92-402A-4-IP2IP2EAI.TechnicalBasesDocument,Rev09.0Other9.1.4AlertAnyevent,asdeterminedbytheSeniorWatchSupervisor,POMorEmergencyDirector,thatcouldleadorhasledtoalossorpotentiallossofeitherfuelcladorRCSbarrier.ModeApplicability:Poweroperation,hotshutdownBasis:ThisEALaddressesanyotherfactorsthataretobeusedbytheEmergencyDirectorindeterminingwhetherthefuelcladorRCSbarriersarelostorpotentiallylost.Inaddition,theinabilitytomonitorthebarriersshouldalsobeconsideredinthisEALasafactorinEmergencyDirectorjudgmentthatthebarriersmaybeconsideredlostorpotentiallylost,PEG

Reference:

FC7.1RCS6.1BasisReference(s):None9-5

OSSI-92-402A-4-IP2IP2EAI-TechrdcalBasesDocument,Rev09.0Other9.1.5SiteAreaEmergencyAsdeterminedbythe'SeniorWatchSupervisor,POMorEmergencyDirecto'r,eventsareinprogresswhichindicateactualorlikelyfailuresofplantsystemsneededtoprotectthepublic.AnyreleasesarenotexpectedtoresultinexposureswhichexceedEPAPAGs.ModeApplicability:Basis:ThisEALaddressesunanticipatedconditionsnotaddressedexplicitlyelsewherebutthatwarrantdeclarationofanemergencybecauseconditionsexistwhicharebelievedbytheEmergencyDirectortofallundertheemergencyclassdescriptionforSiteAreaEmergency.PEG

Reference:

HS8.1BasisReference(s):None9-6

~it>

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev09.0Other9.1.6SiteAreaEmergencyAnyevent,asdeterminedbytheSeniorWatchSupervisor,POMorEmergencyDirector,thatcouldleadorhasledtoeither:LossorpotentiallossofbothfuelcladandRCSbarrierORLossorpotentiallossofeitherfuelcladorRCSbarrierinconjunctionwithalossofcontainmentModeApplicability:Poweroperation,hotshutdownBasis:ThisEALaddressesunanticipatedconditionsaFectingQssionproductbarrierswhicharenotaddressedexplicitlyelsewhere.DeclarationofanemergencyiswarrantedbecauseconditionsexistwhicharebelievedbytheEmergencyDirectortofallundertheemergencyclassdescriptionforSiteAreaEmergency.PEG

Reference:

FC7.1RCS6.1PC8.1BasisReference(s):None9-7

":Ah OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev09.0Other9.1.7GeneralEmergencyAsdeterminedbytheSeniorWatchSupervisor,POMorEmergencyDirector,eventsareinprogresswhichindicateactualorimminentcoredamageandthepotentialforalargereleaseofradioactivematerialinexcessofEPAPAGsoutsidethesiteboundary.ModeApplicability:Basis:ThisEALaddressesunanticipatedconditionsnotaddressedexplicitlyelsewherebutthatwarrantdeclarationofanemergencybecauseconditionsexistwhicharebelievedbytheEmergencyDirectortofallundertheGeneralEmergencyclass.ReleasescanreasonablybeexpectedtoexceedEPAPAGplumeexposurelevelsoutsidethesiteboundary.PEG

Reference:

HG2.1BasisReference(s):None9-8

>tXt>,'hy OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev09.0Other9.1.8GeneralEmergencyAnyevent,asdeterminedbytheSeniorWatchSupervisor,POMorEmergencyDirector,thatcouldleadorhasledtoalossofanytwofissionproductbarriersandlossorpotentiallossofthethird.ModeApplicability:Poweroperation,hotshutdownBasis:ThisEALaddressesunanticipatedconditionsaffectingGssionproductbarrierswhicharenotaddressedexplicitlyelsewhere.DeclarationofanemergencyiswarrantedbecauseconditionsexistwhicharebelievedbytheEmergencyDirectortofallundertheemergencyclassdescriptionfortheGeneralEmergencyclass,PEG

Reference:

FC7.1RCS6.1PC8.1BasisReference(s):None9-9

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0ATTAWEEAWORDLIST/DEFINITIONS

OSSI-S2-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0ActuateToputintooperation;tomovetoaction;commonlyusedtorefertoautomated,multi-facetedoperations."ActuateECCS".AdversaryAsappliedtosecurityEALs,anarmedorsuspectedtobearmedintruderwhoseintentistocommitsabotage,disruptStationoperationsorotherwisecommitacrimeonstationproperty.Eventsareinprocessorhaveoccurredwhichinvolveanactualorpotentialsubstantialdegradationofthelevelofsafetyoftheplant.AnyreleasesareexpectedtobelimitedtosmallfractionsoftheEPAProtectiveActionGuidelineexposurelevels.AvailableThestateorconditionofbeingreadyandabletobeused(placedintooperation)toaccomplishthestated(orimplied)actionorfunction.Asappliedtoasystem,thisrequirestheoperabilityofnecessarysupportsystems(electricalpowersupplies,coolingwater,lubrication,etc.).Can/Cannotbedetermined(c/>)Thecurrentvalueorstatusofanidentifiedparameterrelativetothatspecifiedcan/cannotbeascertainedusingallavailableindications(directandindirect,singlyorincombination).Can/Cannotbemaintainedabove/below(c/>)Thevalueoftheidentifiedparameter(s)is/isnotabletobekeptabove/belowspecifiedlimits.Thisdeterminationincludesmakinganevaluationthatconsidersbothcurrentandfuturesystemperformanceinrelationtothecurrentvalueandtrendoftheparameter(s).Neitherimpliesthattheparametermustactuallyexceedthelimitbeforetheactionistakennorthattheactionmustbetakenbeforethelimitisreached.

OSSI-92-402A-4-IP2IP2EALTechntcalBasesDocument,Rev0Can/Cannotberestoredabove/below(c/>)Thevalueoftheidentifiedparameter(s)is/isnotabletobereturnedtoabove/belowspecifiedlimitsafterhavingpassedthoselimits.Thisdeterminationincludesmakinganevaluationthatconsidersbothcurrentandfuturesystemsperformancesinrelationtothecurrentvalueandtrendoftheparameter(s).Doesnotimplyanyspecifictimeintervalbutdoesnotpermitprolongedoperationbeyondalimitwithouttakingthespecifiedaction.Asappliedtolossofelectricalpowersources(ex.:Powercannotberestoredtoanyvitalbusin54hrs)thespecifiedpowersourcecannotbereturnedtoservicewithinthespecifiedtime.Thisdeterminationincludesmakinganevaluationthatconsidersbothcurrentandfuturerestorationcapabilities.Impliesthatthedeclarationshouldbemadeassoonasthedeterminationismadethatthepowersourcecannotberestoredwithinthespecifiedtime.CloseTopositionavalveordampersoastopreventflowoftheprocessfluid.Tomakeanelectricalconnectiontosupplypower.Con6rm/Con6rmationTovalidate,throughvisualobservationorphysicalinspection,thatanassumedconditionisasexpectedorrequired,withouttakingactiontoalterthe"asfound"configuration.ControlTakeaction,asnecessary,tomaintainthevalueofaspecifiedparameterwithinapplicablelimits;tofiixoradjustthetime,amount,orrateof;toregulateorrestrict.DecreaseTobecomeprogressivelylessinsize,amount,number,orintensity.DischargeRemovalofafluid/gasfromavolumeorsystem.A-3

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0EnterTogointo.EstablishToperformactionsnecessarytomeetastatedcondition."EstablishcommunicationwiththeControlRoom."EvacuateToremovethecontentsof;toremovepersonnelfromanarea.ExceedsTogoorbebeyondastatedorimpliedlimit,measure,ordegree.ExistTohavebeingwithrespecttounderstoodlimitationsorconditions.FailureAstateofinabilitytoperformanormalfunction.GeneralEmergencyEventsareinprocessorhaveoccurredwhichinvolveactualorimminentsubstantialcoredegradationormeltingwithpotentialforlossofcontainmentintegrity.ReleasescanbereasonablyexpectedtoexceedEPAProtectiveActionGuidelineexposurelevelsoFsiteformorethantheimmediatesitearea.Logictermwhichindicatesthattakingtheactionprescribediscontingentuponthecurrentexistenceofthestatedcondition(s).Iftheidentifiedconditionsdonotexist,theprescribedactionisnottobetakenandexecutionofoperatoractionsmustproceedpromptlyinaccordancewithsubsequentinstructions.A-4

OSSI-92-402A-4-IP2IP2EALTechnIcalBasesDocument,Rev0IncreaseTobecomeprogressivelygreaterinsize,amount,numberorintensity.IndicateTopointoutorpointto;todisplaythevalueofaprocessvariable;tobeasignorsymbol.InitiateTheactofplacingequipmentorasystemintoservice,eithermanuallyorautomatically.Activationofafunctionorprotectivefeature(i.e.initiateamanualtrip).InjectionTheactofforcingafluidintoavolumeorvessel.InoperableNotabletoperformit'sintendedfunctionIntrusionTheactofenteringwithoutauthorizationFailureofoperabilityorlackofaccessto.MaintainTakeaction,asnecessary,tokeepthevalueofthespecifiedparameterwithintheapplicablelimits.MonitorObserveandevaluateatafrequencysuf6cienttoremainapprisedofthevalue,trend,andrateofchangeofthespeci6edparameter.A-5

OSSI-92-402A-4-IP2IP2EAI-TechnicalBasesDocument,Rev0NotifyTogivenoticeoforreporttheoccurrenceof;tomakeknownto;toinformspecifiedpersonnel;toadvise;tocommunicate;tocontact;torelay.OpenTopositionavalveordampersoastoallowflowoftheprocessfluid.Tobreakanelectricalconnectionwhichremovesapowersupplyfromanelectricaldevice.Tomakeavailableforentryorpassagebyturningback,removing,orclearingaway.OperableAbletoperformit'sintendedfunctionPerformTocarryoutanaction;toaccomplish;toaffect;toreachanobjective.PrimarySystemThepipes,valves,andotherequipmentwhichconnectdirectlytothereactorvesselorreactorcoolantsystemsuchthatareductioninreactorcoolantsystempressurewilleffectadecreaseinthesteamorwaterbeingdischargedthroughanunisolatedbreakinthesystem.RemoveTochangethelocationorpositionof.ReportTodescribeasbeinginaspecificstate.A-6

OSSI-92-402A-4-IP2IP2EALTechntcalBasesDocument,Rev0RequireTodemandasnecessaryoressential.Taketheappropriateactionrequirestoreturnthevalueofanidentifiedparametertowithinapplicablelimits.RiseDescribesanincreaseinaparameterastheresultofanoperatororautomaticaction.SampleToperformananalysisonaspecifiedmediatodetermineitsproperties.ShutdownToperformoperationsnecessarytocauseequipmenttoceaseorsuspendoperation;tostop."Shutdownunnecessaryequipment."SiteAreaEmergencyfailureEventsareinprocessorhaveoccurredwhichinvolveactualorlikelm'iuresofplantfunctionsneededforprotectionofthepublic.AnyreleasesarenotexpectedtoresultinexposurelevelswhichexceedEPAProtectiveActionGuidelineexposurelevelsexceptnearthesiteboundary.SustainedProlonged.Notintermittentoroftransitorynature

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument.Rev0TripTode-energizeapumporfanmotor;topositionabreakersoastointerruptorpreventtheflowofcurrentintheassociatedcircuit;tomanuallyactivateasemi-automaticfeature.Totakeactiontocauseshutdownofthereactorbyrapidlyinsertingacontrolrodorcontrolrods(PWR).UncontrolledAnevolutionlackingcontrolbutisnottheresultofoperatoraction.UnplannedNotasanexpectedresultofdeliberateaction.UntilIndicatesthattheassociatedprescribedactionistoproceedonlysolongastheidentifiedconditiondoesnotexist.UnusualEventEventsareinprocessorhaveoccurredwhichindicateapotentialdegradationofthelevelofsafetyoftheplant.Noreleasesofradioactivematerialrequiringoffsiteresponseormonitoringareexpectedunlessfurtherdegradationofsafetysystemsoccurs.ValidSupportedorcorroboratedonasoundbasis.VentToopenanefQuent(exhaust)flowpathfromanenclosedvolume;toreducepressureinanenclosedvolume.A-8

OSSI-92-402A-4-IP2IP2EALTechnicalBasesDocument,Rev0VerifyToconfirmaconditionandtakeactiontoestablishthatconditionifrequired."Verifyreactortrip,verifySIpumpsrunning."A-9

IndianPoint2EmergencyActionLevelsCategory1.0CSFSTStatusCategory2.0ReactorFuelCategory3.0ReactorCoolantSystemCategory4.0ContainmentCategory5.0RadioactivityReleaseCategory6.0ElectricalFailuresCategory7.0EquipmentFailuresCategory8.0HazardsCategory9.0Other6/20/94 0,Yl1 1.0CSFSTStatus1.1Subcriticality1.1.1AlertEither:ORANGEpathF-0.1SUBCRITICALITYANDEmergencyborationisrequiredORREDpathF-0.1SUBCRITICALITYANDEmergencyborationisrequiredPowerOperations,HotShut'downCategory1.0CSFSTStatus1.1.3GeneralEmergencyREDpathinF-0.1,SUBCRITICALITYANDEmergencyborationisrequiredANDREDpathinF-0.3,HEATSINKANDHeatsinkisrequiredPowerOperations1.1.2SiteAreaEmergencyREDpathinF-0.1SUBCRITICALITYANDeither:EmergencyborationisinoperableORPowerrangenot(6%within15min.ofinitiationofemergencyborationPowerOperations,HotShutdown

1.0CSFSTStatus12CoreCooling1.2.1SiteAreaEmergencyORANGEorREDpathinF-0.2,CORECOOLINGPowerOperations,HotShutdown1.R2GeneralEmergencyCategory1.0CSFSTStatus1.0CSFSTStatus18HeatSink1.8.1SiteAreaEmergencyREDpathinF-0.3,HEATSINKANDHeatsinkisrequiredPowerOperations,HotShutdownREDpathinF-0.2,CORECOOLINGANDFunctionalrestorationactionstakenandproceduresnoteffectivewithin15min.PowerOperations,HotShutdown1.8.2GeneralEmergencyREDpathinF-0.3,HEATSINKANDHeatsinkisrequiredANDREDpathinF-0.1,SUBCRITICALITYANDEmergencyborationisrequiredPowerOperations1-3

1.0CSFSTStatus1.4Integrity1.4.1AlertREDpathonF-0.4,INTEGRITYPowerOperations,HotShutdownCategory1.0CSFSTStatus1.0CSFSTStatus1.5Contauunent1.5.1GeneralEmergencyREDpathF-0.5,CONTAINMENTresultingfromlossofcoolantPowerOperations,HotShutdown1-4

Category2.0ReactorFuel2.0ReactorFuel2.1CoolantActivity2.1.1UnusualEventCoolantsampleactivity>60/(Ebar)pCi/cc2.12AlertCoolantactivity>300pCi/ccI-131equivalentPoweroperation,hotshutdown2.0ReactorFuel2.2ContainmentRadiation2.2.1AlertRapidriseonR-41orR-42withcoolantsampleactivity260/(Ebar)pCi/ccandincreasingRCSleakagePoweroperation,hotshutdown2.2.2SiteAreaEmergencyContainmentradiationmonitorR-25orR-26>17R/hrPoweroperation,hotshutdown2.2.3GeneralEmergencyContainmentradiationmonitorR-25orR-26>68R/hrPoweroperation,hotshutdown

Category2.0ReactorFuel2.0ReactorFuel2.8RefuelingAccidentsorOtherRadiationMonitors2.8.1UnusualEventSpentfuelpool(reactorcavityduringrefueling)waterlevelcannotberestoredandmaintainedabovetheTechnicalSpecificationminimumwaterlevel2.3.2AlertConfirmedsustainedalarmonanyofthefollowingradiationmonitorsresultingfromfueldamagecausedbyanuncontrolledfuelhandlingprocess:~R-2/R-7VaporContainmentAreaMonitors~R-5FuelStorageBuildingAreaMonitor~R-25/26VaporContainmentHighRadiationAreaMonitorsAIE2.3.8AlertReportofvisualobservationofirradiatedfueluncovered

0) 8.0ReactorCoolantSystem3.1RCSLeakage8.1.1UnusualEventCategory8.0ReactorCoolantSystem8.0ReactorCoolantSystem3.2PrimarytoSecondaryLeakage3.2.1UnusualEventUnidentifiedorpressureboundaryleakage>10gymORIdentifiedleakage>25gpmPoweroperation,hotshutdownUnisolablereleaseofsecondarysidetoatmospherefromtheaffectedsteamgenerator(s)withprimaryto'econdaryleakage)0.8gyminanysteamgeneratorPoweroperation,hotshutdown3.1.2Alert3.2.2SiteAreaEmergencyPrimarysystemleakageexceedingcapacity(>75gpm)ofasinglechargingpumpPoweroperation,hotshutdownUnisolablereleaseofsecondarysidetoatmospherefromtheaffectedsteamgenerator(s)withprimarytosecondaryleakageexceedingcapacity(>75gym)ofasinglechargingpump8.1.3SiteAreaEmergencyPoweroperation,hotshutdownRVLIScannotbemaintained>39%withnoRCPsrunningORWiththereactorvesselheadremoved,itisreportedthatwaterlevelinthereactorvesselisdroppinginanuncontrolledmannerandcoreuncoveryislikelyPoweroperation,hotshutdown,coldshutdown,refuel8.2.8SiteAreaEmergencyUnisolablereleaseofsecondarysidetoatmospherefromtheaffectedsteamgenerator(s)withprimarytosecondaryleakage)0.8gyminanysteamgeneratorANDCoolantactivity>300pCi/ccofI-131Poweroperation,hotshutdown3-1

Category3.0ReactorCoolantSystem3.0ReactorCoolantSystem3.3RCSSubcooling3.3.1AlertRCSsubcooling<SIinitiationsetpointduetoRCSleakagePoweroperation,hotshutdown3-2

Category4.0Containment4.0Containment4.1ContainmentIntegrityStatus4.1.1UnusualEvent4.0Containment4.1ContainmentIntegrityStatus4.1.8SiteAreaEmergencyBothdoorsopenonaVCairlockfor>4hrs.ORInabilitytoclosecontainmentpressurerelieforpurgevalveswhichresultsinaradiologicalreleasepathwaytotheenvironmentfor>4hrs.Poweroperation,hotshutdown4.1.2SiteAreaEmergencyEither:AnyPhase"A"orPhase"B"orcontainmentventilationisolationvalve(s)notclosedwhenrequiredfollowingconfirmedLOCAORInabilitytoisolateanyprimarysystemdischargingoutsidecontainmentANDRadiologicalreleasetotheenvironmentexistsasaresultRapiduncontrolleddecreaseincontainmentpressurefollowinginitialincreaseduetoRCSfailureORLossofprimarycoolantinsidecontainmentwithcontainmentpressureorsumplevelresponsenotconsistentwithLOCAconditionsPoweroperation,hotshutdownPoweroperation,hotshutdown4.1.4GeneralEmergencyConfirmedphase"B"isolationsignalwithlessthanminimumcontainmentcoolingsafeguardsequipmentoperating,Table4.3ANDAnyindicatorsoffuelcladloss,Table4.1Poweroperation,hotshutdown

Category4.0Containment4.0Containment4.1ContainmentIntegrityStatus4.1.5GeneralEmergency4.0Containment4.2SGTubeRupturew/SecondaryRelease4.2.1SiteAreaEmergencyEither:RapiduncontrolleddecreaseincontainmentpressurefollowinginitialincreaseduetoRCSfailureORLossofprimarycoolantinsidecontainmentwithcontainmentpressureorsumplevelresponsenotconsistentwithLOCAconditionsANDAnyindicatorsoffuelcladdamage,Table4.2Poweroperation,hotshutdown4.1.6GeneralEmergencyUnisolatedfaulted(outsideVC)rupturedsteamgeneratorPoweroperation,hotshutdown4.2.2GeneralEmergencyUnisolatedfaulted(outsideVC)rupturedsteamgeneratorANDAnyindicatorsoffuelcladdamage,Table4.2Poweroperation,hotshutdownEither.'nyPhase"A"orPhase"B"orcontainmentventilationisolationvalve(s)notclosedwhenrequiredfollowingconfirmedLOCAORInabilitytoisolateanyprimarysystemdischargingoutsidecontainmentANDRadiologicalreleasetotheenvironmentexistsasaresultANDAnyindicatorsoffuelcladdamage,Table4.2Poweroperation,hotshutdown

4.0Containment4.3CombustibleGasConcentrations4.3.1GeneralEmergency24%hydrogenconcentrationincontainmentPoweroperation,hotshutdownCategory4.0ContainmentTable4.1FuelCladLossIndicators1.Coolantactivity>300pCi/ccofI-1312.ContainmentradiationmonitorR-25/R-26reading>17R/hrTable4.3MinimumContainmentCoolingSafeardsEuimentFanCoolerUnits0eratinSraPumsReuired(335Table4.2FuelCladDamaeIndicators1.ORANGEorREDpathinF-0.2,CORECOOLING2.REDpathinF-0.3,HEATSINKANDHeatsinkisrequired3.Coolantactivity>300pCi/ccofI-1314.Containmentradiationmonitor,R-25/R-26reading>17R/hr4-3

Category6.0RadioactivityRelease6.0RadioactivityRelease/AreaRadiation6.1EQluentMonitors6.1.1UnusualEventAvalidreadingonanymonitorsTable5,1column"NUE"for>60min.6.0RadioactivityRelease/AreaRadiation6.2DoseProjections/EnvironmentalMeasurements/ReleaseRates6.2.1UnusualEventConfirmedsampleanalysesforgaseousorliquidreleaserates>2xtechnicalspecificationslimitsfor>60min.6.1.2AlertAvalidreadingonanymonitorsTable5.1column"Alert"for>15min.6.2.2AlertConfirmedsampleanalysesforgaseousorliquidreleaserates>200xtechnicalspecificationslimitsfor>15min.6.1.3SiteAreaEmergencyAllAvalidreadingonanymonitorsTable5.1column"SAE"for>15min.6.2.3Alert6.1.4GeneralEmergencyDoseprojectionsorfieldsurveyswhichindicatedoses/doserates>Table5.2column"Alert"atthesiteboundaryorbeyond.AvalidreadingonanymonitorsTable5.1column"GE"for>15min.5-1

Category6.0RadioactivityRelease6.0RadioactivityRelease/AreaRadiation5.2DoseProjections/EnvironmentalMeasurements/ReleaseRates6.2.4SiteAreaEmergencyDoseprojectionsorfieldsurveyswhichindicatedoses/doserates>Table5.2column"SAE"atthesiteboundaryorbeyond.6.0RadioactivityRelease/AreaRadiation6.3AreaRadiationLevels6.3.1UnusualEventAnysustaineddirectARMreadings>100xalarmoroffscalehiresultingfromanuncontrolledprocessAll6.3.2Alert'=6.2.6GeneralEmergencyDoseprojectionsorfieldsurveyswhichindicatedoses/doserates>Table5.2column"GE"atthesiteboundaryorbeyond.Sustainedarearadiationlevels>15mR/hrineither:ControlRoomORCentralAlarmStationandSecondaryAlarmStationAll6.3.3AlertSustainedabnormalarearadiationlevels>8R/hrwithinanyareas,Table5.3ANDAccessisrequiredforsafeoperationorshutdown5-2

Category6.0RadioactivityReleaseMonitorTable5.1EfHuentMonitorClassificationThresholdsGER-27RMR-54R-4953pCi/cc53pCi/ccN/AN/A5.3pCi/cc5.3pCi/ccN/AN/A5.3E-1pCi/cc5.3E-1p,Ci/cc2.5E-1pCi/cc2.7E-2p,Ci/cc2.3E-3pCi/cc2.3E-3pCi/cc2.5E-3pCi/cc2.7E-4pCi/ccTable5.2DoseProection/Env.MeasurementClassificationThresholdsGETEDECDEThyroidTEDErateCDEThyroidrate1000mR5000mR1000mR/hr5000mR/hr100mR500mR100mR/hr500mR/hr10mRN/A10mR/hrN/A5-3

Category5.0RadioactivityReleaseTable5.3PlantAreas~CondensateStorageTank~RWST~ServiceWaterPumpStructure~ServiceWaterValvePitEast~FuelStorageBuilding~PrimaryAuxiliaryBuilding/FanHouse~480VoltSwitchgearRoom(ControlBuilding)~CableSpreadingRoom/ElectricalTunnel~DieselGeneratorBuilding/FuelTankArea~AuxiliaryFeedwaterPumpBuilding~BatteryRoom(ControlBuilding33'"ele.)5-4

Category6.0ElectricalFailures6.0ElectricalFailures6.1LossofACPowerSources6.1.1UnusualEvent6.0ElectricalFailures6.1LossofACPowerSources6.1.3AlertNoneofthefollowingsourcesofo6sitepoweravailablefor>15min.:~UnitAuxiliarytransformer~StationAuxiliarytransformer~13.8KVgasturbinetransformerAvailableemergencybusACpowersourcesreducedtoonlyoneofthefollowingfor>15min.:~480VEDG21~480VEDG22~480VEDG23~UnitAuxiliarytransformer~StationAuxiliarytransformer~13.8KVgasturbinetransformer6.1.2AlertLossofACpowertoall480voltbusses(5A,2A/3A,6A)for>15min.ANDInabilitytopowerrequiredcorecoolingsystemswithalternatepowersourcesfor>15min.ColdShutdown,RefuelingPoweroperation,hotshutdown6.1.4SiteAreaEmergencyLossofACpowertoall480voltbusses(5A,2A/3A,6A)for>15min.ANDInabilitytopowerrequiredcorecoolingsystemswithalternatepowersourcesfor>15min.Poweroperation,hotshutdown

Category6.0ElectricalFailures6.0ElectricalFailures6.1LossofACPowerSources8.1.5GeneralEmergency8.0ElectricalFailures6.2LossofDCPowerSources6.2.1UnusualEventLossofallemergencybusACpowerANDeither:Powercannotberestoredtorequiredcorecoolingsystemsin<1hrORORANGEorREDpathonF-0.2,"CORECOOLING"Poweroperation,hotshutdown<105vdcbusvoltageindicationsfor>15min.ontheswitchablevoltmeterforallofthefollowingpanels:~212223~24ColdShutdown,Refueling6.2.2SiteAreaEmergency<105vdcbusvoltageindicationsfor>15min.ontheswitchablevoltmeterforallofthefollowingpanels:~212223~24Poweroperat'ion,hotshutdown

CategoryV.OEquipmentFailuresV.OEquipmentFailuresV.1TechnicalSpeciGcationXRequirementsV.1.1UnusualEvent7.07.2EquipmentFailuresSystemFailuresorControlRoomEvacuationPlantisnotbroughttorequiredoperatingmodewithinTechnicalSpecificationsLCOActionStatementTime.Poweroperat'ion,hotshutdownV.2.1UnusualEventReportofmainturbinefailurerequiringturbinetripresultingin:DamagetoturbinegeneratorsealsORCasingpenetrationPowerOperations7.2.2AlertTurbinefailuregeneratedmissileswhichcausesorpotentiallycausesanyrequiredsafetyrelatedsystemorstructuretobecomeinoperablePowerOperations,HotShutdown7.2.3AlertControlRoomevacuation

CategoryV.OEquipmentFailuresV.OEquipmentFailures7.2SystemFailuresorControlRoomEvacuation7.0EquipmentFailuresV.3LossofIndications/Alarms/CommunicationCapabilityV.2.4AlertV.3.1UnusualEventReactorcoolanttemperaturecannotbemaintained(200'FColdShutdown,RefuelingUnplannedlossofmost(approx.75%)annunciatorsorindicationsonControlRoomPanelsfor>15min.ANDIncreasedsurveillanceisrequiredforsafeplantoperation7.2.6SiteAreaEmergencyPoweroperation,hotshutdownControlRoomevacuationANDCorecoolingcannotbeestablishedperAOI27.1.9,"ControlRoomInaccessibility/SafeShutdown"in~15min.7.3.2UnusualEventLossofallcommunicationscapabilityaffectingtheabilitytoeither:PerformroutineoperationsORNotifyoffsiteagenciesorpersonnel7-2

Category7.0EquipmentFailures7.0EquipmentFailuresV.3LossofIndications/Alarms/CommunicationCapabilityV.3.3AlertUnplannedlossofmost(approx.75%)annunciatorsorindicationsonControlRoomPanelsfor>15min.ANDIncreasedsurveillanceisrequiredforsafeplantoperationANDeither:AplanttransientinprogressORPROTEUSandSASareunavailablePoweroperation,hotshutdownV.3.4SiteAreaEmergencyLossofmost(approx.75%)annunciatorsorindicationsonControlRoomPanelsANDCompletelossofabilitytomonitorallcriticalsafetyfunctionstatusANDAplanttransientinprogressPoweroperation,hotshutdown

Category8.0Hazards8.0Hazards8.1SecurityThreats8.1.1UnusualEvent8.0Hazards8.2FireorExplosion8.2.1UnusualEventBombdeviceorotherindicationofattemptedsabotagediscoveredwithinplantProtectedArea.Confirmedfireinanyplantarea,Table8.2notextinguishedin615min.ofControlRoomnotification.8.1.2AlertIntrusionintoplantProtectedAreabyanadversary.All8.2.2UnusualEventReportbyplantpersonnelofanexplosionwithinProtectedAreaboundarywhichimpactsplantsafetyrelatedsystemsorstructures.8.1.3SiteAreaEmergencyIntrusionintoaplantsecurityvitalareabyanadversary.8.2.3AlertFireorexplosioninanyplantarea,Table8.2whichcausesorpotentiallycausesanyrequiredsafetyrelatedsystemorstructuretobecomeinoperable8.1.4GeneralEmergencySecurityeventwhichresultsin:LossofplantcontrolfromtheControlRoomANDLossofremoteshutdowncapability8-1

Category8.0Hazards8.0Hazards8.3Man-MadeEvents8.3.1UnusualEvent8.0Hazards8.3Man-MadeEvents8.3.4AlertVehiclecrashintoorprojectilewhichimpactsplantsafetyrelatedstructuresorsystemswithinProtectedAreaboundaryReportordetectionoftoxicorflammablegaseswithinaplantarea,Table8.2,inconcentrationsthatwillbelifethreateningtoplantpersonnelorprecludeaccesstoequipment(evenwhenusingpersonalprotectiveequipment)neededforsafeplantoperation8.3.2UnusualEventALLReportordetectionoftoxicorflammablegasesthatcouldenterorhaveenteredwithintheProtectedAreaboundaryinamountsthatcouldaffectthehealthofplantpersonnelorsafeplantoperationORReportbylocal,countyorstateof6cials,orUnit3,forpotentialevacuationofsitepersonnelbasedonoffsiteevent8.3.3AlertVehiclecrashorprojectileimpactwhichcausesorpotentiallycausesanyrequiredsafetyrelatedsystemorstructuretobecomeinoperable,Table8.28-2

Category8.0Hazards8.0Hazards8.4NaturalEvents8.4.1UnusualEvent8.0Hazards8.4NaturalEvents8.4.4UnusualEventEarthquakefeltinplantbyanyplantoperatorANDNotificationreceivedfromUnit3thatanearthquakehasbeendetectedontheirinstrumentationRiverlevel>14.5'OMSL)ORServicewaterbaylevel<-4.5'OMSL)'.4.2UnusualEventReportbyplantpersonneloftornadowithinplantProtectedAreaboundary8.4.5AlertEarthquakefeltinplantbyanyplantoperatorANDNotificationfromUnit3thatanearthquakeofamagnitude>0.15ghorizontalort0.10gverticalhasoccurred.8.4.3UnusualEventAssessmentbyControlRoompersonnelthatanaturaleventhasoccurredwhichimpactsplantsafetyrelatedstructuresorsystems,Table8.28.4.6AlertSustainedwinds>100mphonsiteORTornadostrikesaplantvitalarea,Table8.28-3

Category8.0Hazards8.0Hazards8.4NaturalEvents8.4.7AlertAssessmentbytheControlRoompersonnelthatanaturaleventhasoccurredwhichcausesorpotentiallycausesanyrequiredsafetyrelatedsystemorstructuretobecomeinoperable,Table8.28.4.8AlertRiverlevel>16'OMSL)ORLowservicewaterbaylevelresultinginalossofservicewaterQowTable8.2PlantVitalAreas~CondensateStorageTank~RWSTServiceWaterPumpStructure~ServiceWaterValvePitEast~FuelStorageBuilding~PrimaryAuxiliaryBuilding/FanHouse~VaporContainmentBuilding~480VoltSwitchgearRoom(ControlBldg.)~CableSpreadingRoom/ElectricalTunnel~CentralControlRoom~DieselGeneratorBuilding/FuelTankArea~AuxiliaryFeedwaterPumpBuilding~BatteryRoom(ControlBldg.33'0"ele)~CentralAlarmStation8-4

9.0Other9.1.1UnusualEventCategory9.0Other9.0Other9.1.4AlertAnyevent,asdeterminedbytheSeniorWatchSupervisor,POMorEmergencyDirector,thatcouldleadtoorhasledtoapotentialdegradationofthelevelofsafetyoftheplant.Anyevent,asdeterminedbytheSeniorWatchSupervisor,POMorEmergencyDirector,thatcouldleadorhasledtoalossorpotentiallossofeitherfuelcladorRCSbarrier.Poweroperation,hotshutdown9.1.2UnusualEvent9.1.5SiteAreaEmergencyAnyevent,asdeterminedbytheSeniorWatchSupervisor,POMorEmergencyDirector,thatcouldleadtoorhasledtoalossorpotentiallossofcontainment.Poweroperation,hotshutdownAsdeterminedbytheSeniorWatchSupervisor,POMorEmergencyDirector,eventsareinprogresswhichindicateactualorlikelyfailuresofplantsystemsneededtoprotectthepublic.AnyreleasesarenotexpectedtoresultinexposureswhichexceedEPAPAGs.9.1.3AlertAllAnyevent,asdeterminedbytheSeniorWatchSupervisor,POMorEmergencyDirector,thatcouldcauseorhascausedactualsubstantialdegradationofthelevelofsafetyoftheplant.9.1.6SiteAreaEmergencyAnyevent,asdeterminedbytheSeniorWatchSupervisor,POMorEmergencyDirector,thatcouldleadorhasledtoeither:LossorpotentiallossofbothfuelcladandRCSbarrierORLossorpotentiallossofeitherfuelcladorRCSbarrierinconjunctionwithalossofcontainmentPoweroperation,hotshutdown I

Category9.0Other9.0Other9.1.7GeneralEmergencyAsdeterminedbytheSeniorWatchSupervisor,POMorEmergencyDirector,eventsareinprogresswhichindicateactualorimminentcoredamageandthepotentialforalargereleaseofradioactivematerialinexcessofEPAPAGsoutsidethesiteboundary.9.1.8GeneralEmergencyAnyevent,asdeterminedbytheSeniorWatchSupervisor,POMorEmergencyDirector,thatcouldleadorhasledtoalossofanytwofissionproductbarriersandlossorpotentiallossofthethird.Poweroperation,hotshutdown

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