ML13217A056

Palo Verde, Units 1, 2, and 3, Enclosure 1 - Technical Requirements Manual, Revision 58

ML13217A056
Person / Time
Site:	Palo Verde
Issue date:	07/03/2013
From:	Stephenson C J Arizona Public Service Co
To:	Office of Nuclear Reactor Regulation
References
102-06731-TNW/RKR/CJS
Download: ML13217A056 (35)

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IPVNGSTechnical Requir,._mentsManual(TRM)Revisioll 58Replacement PagesandInsertion Instructions Thefollowing LDCRsarelcludedinthischange:LDCR07-R002removestheTechnical R_;luirements Manual(TRM)Section3.7.200,AtmosphericDumpValves(ADVs),requirement fortwoADVlinespersteamgenerator tobeoperable.

ThisreqtirementhadbeenincludedintheTRMasaninterimactionuntiltheTechnical Sp_:cifications werechanged.SinceLicenseAmendment (LA)191,datedApril11,2013,hasbeenissuedbytheNRC;thisTRMrequirement isnolongern_.,ededandisbeingdeleted.LA191requiresfourADVlinesbeOPERABLEwheninModes1,2,3,andinMode4whenthesteamgenerators arebeinguse(forheatremoval.LDCR13-R002removesTRMSections3..204,ShutdownControlElementAssembly(CEA)Insertion Limits,andTRIV3.1.205,Regulating ControlElementassembly(CEA)GroupsInsertionLimits.hesesectionsoftheTRMwereaddedasaninterimactionuntilanon-con_ervative Technical Specification issuewasresolved.

LA168wasissuedbytheI_IRConJuly25,2007,whichmadetheTRMsectionsunnecessary andasaresu11theyarebeingdeleted.Thisisacorrective actionfromCRDR4402533.Instructions RemovePa,qe:InsertNewPa,qe:CoverPageCoverPageTableofContents(Pagei)TableofContents(Pagei)ListofEffective Pages,ListofEffective Pages,Pages1through4Pages1through4T3.1.204-1

[Noreplacement page]T3.1.205-1

[Noreplacement page]T3.7.200-1 T3.7.200-1T3.7.200-2

[Noreplacement page]T6.0.100-9T6.0.100-9throughthroughT6.0.100-37T6.0.100-35 Technical ReqwirementsManualRevi_;ion58July133,2013:_Lpn"'-e-'-enson

.ZO_.._,Digitall ysignedbySteph......Carl!DN:cn=Stephenson

,CarlJ(Z05778)

IJ(Z05778

_......,0t,......h.......o/andCarintegrltyofthisd......tDate:2013.06.28

_5:48:17-0T00'PALOVERDEUNITSI,2,3 TABLEOFCONTENTSTI0USEANDAPPLICATION Definitions

....................

,.............................

T1.1.100-ILogicalConnectors

.............

,.............................

T1.2.100-1Completion Times...............

_.............................

TI.3.100-IFrequency

......................

+.............................

T1.4.100-IT20SAFETYLIMITS..................

_.............................

T2.0.100-IT30TRMLimitingCondition forOperi_tion (TLCO)APPLICABILITY

....T3.0.I00-1TRMSurveillance Requirement (T_;R)Applicability

.............

T3.0.I00-3T31REACTIVITY CONTROLSYSTEMST3.1.100FlowPaths-Shutdown.............................

T3.1.100-1T3.1.101FlowPaths-OperatinT31I01-IT3.1.102ChargingPumps-Shu.........................

T31102-iT3.1.103ChargingPumps-0_ting........................

T31i03-iT3.1.104BoratedSources-ShuLdown....T31104-IT3.1.105BoratedSourcesOpe°ating

...T31105-1T3.1.200ShutdownMargin-Rea:torTripBreakersClosed....T31200-IT3.1.201ShutdownMargin-Rea:torTripBreakersOpen......T31201-1T3.1.202ControlElementAssem)ly-Alignment

..............

T31202-IT3.1.203ControlElementAssem)ly-DropTime..............

T31203-1T3.2POWERDISTRIBUTION LIMITST3.2.200Azimuthal PowerTiltT_.........................

T3.2.200-IT3.3INSTRUMENTATION T3.3.100Supplementary Prot.Sstem(SPS)Instrumentation

..T3.3.100-IT3.3.101Radiation Monitoring nstrumentation

..............

T3.3.101-IT3.3.102IncoreDetectors

................................

T3.3.102-IT33.103SeismicMonitoring

..............................

T3.3.103-1T33.104Meteorological Instrbentation....................

T3.3.104-1T33105PostAccidentMonitorngInstrumentation

..........

T3.3.105-IT33106Loose-Part Detection nstrumentation

..............

T3.3.106-1T33107Explosive GasMonitorngSystem...................

T3.3.107-1 T33108FuelBldgEss.Vent.,,ctuation Signal(FBEVAS)....T3.3.108-1T33200RPSInstrumentation Operating

...................

T3.3.200-1T33201ESFASLogicandManuaTrip.......................

T3.3.201-I(continued)

PALOVERDEUNITS1,2,3iRev587/03/13

!Technical Rec_irements ManualLISTOFEFFECTIVE PAGESPageNo.RevisionNo.PageNo.RevisionNo.TOCpagei58T3.3.103-313TOCpageii48T3.3.103-413TOCpageiii33T3.3.104-146TOCpageiv52T3.3.104-20TI.1.100-10T3.3.105-146T1.2.100-10T3.3.105-248T1.3100-I0T3.3.105-348T1.4100-10T3.3.106-146T2.0100-10T3.3.106-214T30100-147T3.3.107-156T30100-240T3.3.107-246T30100-323T3.3.108-1 0T30100-447T3.3.108-20T31100-10T3.3.200-146T31100-20T3.3.200-231T31101-10T3.3201-10T31101-254T34100-128T31101-30T34101-10T31102-10T34101-20T31103-11T34101-30T31104-10T34101-40T31104-20T34102-I0T31105-146T34102-20T31105-20T34103-153T31105-350T34104-128T31200-146T34104-255T31200-224T34200-152T31201-10T34201-i46T31202-153T34202-146T31202-246T34203-146T31203-I29T34204-146T32200-153T35200-146T33.100-146T35200-20T3.3.100-210T35200-30T3.3.101-I40T35201-116T3.3.101-246T35201-247T3.3.101-318T35202-146T3.3.101-418T3.5.202-239T3.3.101-552T3.5.202-347T3.3.102-121T3.5,202-40T3.3.102-240T3.5.203-146T3.3.103-151T3.5.203-235T3.3.103-254T3.6.100-148PALOVERDEUNITS1,2,31Rev5807/03/13 Technical Reqairements ManualLISTOFEFFECTIVE PAGESPageNo.RevisionNo.PageNo.RevisionNo.T36100-20T310201-10T36200-122T310201-20T36200-222T310202-I40T36201-147T310202-20T36300-148T311100-140T36300-248T311100-238T37100-127T311100-338T37100-227T311100-438T37101-I46T311100-538T37101-246T311100-638T37102-I0T311.100-738T37102-20T3.11.100-8 38T37102-30T3.11.100-938T37200-I58T3.11101-I40T37201-146T3.11101-246T37202-146T3.11101-346T37203-146T3.11101-439T37204-146T3.11101-546T37205-146T3.11102-146T37205-246T3.11102-24T37206-I0T3.11i02-34T37207-146T3.11102-44T38100-I46T3.11102-518T38100-20T3.11103-146T38101-146T3.11103-249T38101-240T3.11104-144T38101-312T3.11104-24T3.8.101-4 0T3.11.104-34T3.8.102-10T3.11.104-4 18T3.8.102-20T3.11.105-146T3.8.200-10T311.105-24T3.9.100-10T311.105-318T3.9.101-10T311.106-140CORRECTED T3.9.102-10T311.106-249T3.9.102-20T311.107-140CORRECTED T3.9.103-10T311.107-24T3.9.104-10T311.107-34T3.9.104-20T40.I00-i0T3.9.104-30T50.100-10T3.9.200-146T50.200-10T3.9.200-229T50.300-10T3.9.201-I46T50.400-10T3.10.200-140T50.500-i53PALOVERDEUNITS1,2,32Rev5807/03/13 Technical Recuirements ManualLISTOFEFFECTIVE PAGESPageNo.RevisionNo.PageNo.RevisionNo.T5.0.500-224T60I00-2558T5.0.500-3 0T60100-2658T5.0.500-453T60100-2758T5.0.500-50T60100-2858T5.0.500-60T60100-2958T5.0.500-70T60100-3058T5.0.500-8 22T60100-3158T5.0.500-90T60100-3258T5.0.500-10 0T60100-3358T5.0.500-1157T60100-3458T5.0.500-1257T60100-3558T5.0.500-1357T70100-I52T5.0.500-1457T70100-252T5.0.500-1557T70100-30T5.0.500-1657T70200-152T5.0.500-1757T70200-252T5.0.600-137T70200-30T5.}.600-237T70300-157T5.0.700-134T70300-241T6.0.100-I40T70300-357T6.0.100-240T70300-443T6.0.100-340T70300-532T6.0.100-440T70300-632T6.0.100-546T70300-732T6.0.100-640T70300-832T6.0.100-754T70400-10T6.0.100-846T70400-20T6.0.100-958T70400-30T6.0.100-1058T70400-451T6.0.100-1158170400-50T6.0.100-1258T70500-10T6.0.I00-1358TA-i52T6.0.I00-1458TA-ii52T60100-1558TA-iii52T60100-1658TA-152T60100-1758TA-252T60100-1858TA-352T60100-1958TA-452T60100-2058TA-552T60100-2158TA-652T60100-2258TA-752T60100-2358TA-852T60100-2458TA-952PALOVERDEUNITS1,2,33Rev5807/03/13 Technical Recuirements ManualLISTOFEFFECTIVE PAGESPageNo.RevisionNo.PageNo,RevisionNo,TA-IO52TA-1152TA-1257TA-1352TA-1452TA-1552TA-1652PALOVERDEUNITS1,2,34Rev5807/03/13 Atmospheric DumpValves(ADVs)TRM3,7.200T3.7PLANTSYSTEMST3.7.200AtmosphericDumpValves(AD_fs)TLCO3.7.200RefertoPVNGSTechncalSpecification LCO3.7.4.APPLICABILITY:

RefertoPVNGSTechncalSpecification LCO3.7.4.ACTIONSCONDITION REQUIREDACTIONCOMPLETION TIMEA.Requirements ofTSRA.1Documer_t thecondition inImmediately 3.7.200.1notmet.thecor'rectiveactionprograrlland initiateanoperab-itydetermination, asnec_ssary, todetermine theimpactonequipment inthete:hnical specifcations, SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR3.7,200,1Verifythatthenitro!jen accumulator 24hourstankisatapressure_615PSIGindicated

.iiJIPALOVERDEUNITS1,2,3T_3.7.200-1Rev5807/03/13 TRMSpecification BasesTRM6.0.100TRMSPECIFICATIONBASEST3.1200ShutdownMarginReactorTrpBreakersClosed(SeetheITS3.1.2Specification Base_.)T3.1201ThisTRMspecification isnctusedandisintentionally leftblank,T3.1202ControlElementAssembly-$i)gnment(SeetheITS3.1.5Specification Base_.T3.1203ControlElementAssembly-ropTime(SeetheITS3.1.5Specification Base.)T3.2200Azimuthal PowerTilt-TQThelimitations ontheAZIMUTHAL POWETILTareprovidedtoensurethatdesignsafetymarginsaremaintained

.AnAZ:MUTHAL POWERTILTgreaterthanthelimitspecified intheCOREOPERATING LIMITIREPORTwithCOLSSinserviceor0.03withCOLSSoutofserviceisnotexpe:tedandifitshouldoccur,operation isrestricted toonlythoseconditions

'equiredtoidentifythecauseofthetilt.Thetiltisnormallycalculat_

IbyCOLSS.Aminimumcorepowerof20%ofRATEDTHERMALPOWERisassumedby,heCPCsinitsinputtoCOLSSforcalculation ofAZIMUTHAL POWERTILT.The20%RATEDTHERMALPOWERthreshold isduetotheneutronfluxdetectorsyst,,mbeinginaccurate below20%corepower.Corenoiselevelatlowpoweristooargetoobtainusabledetectorreadings.Thesurveillance requirements specifi,,dwhenCOLSSisoutofserviceprovideanacceptable meansofdetecting the_,resence ofasteady-state tilt.Itisnecessary toexplicitly accountforp(,werasymmetries becausetheradialpeakingfactorsusedinthecorepowerdistribution calculations arebasedonanuntiltedpowerdistribution

.TheAZIMUTHAL POWERTILTisequaltl(Pipit/Puniest)-1

.0where:AZIMUTHAL POWERTILTismeasuredbyassumingthattheratioofthepoweratanycorelocationinthepresenceoatilttotheuntiltedpoweratthelocationisoftheformPt_it/Punt_t=1+TQgCOS(ThetaTh_tao)whereTqisthepeakfractional tiltamplitude atthecoreperiphery gistheradialnormalizing factorThetaistheazimuthal corelocatior(continued)

PALOVERDEUNITS1,2,3T_0.100-9Rev587/03/13 TRMSpecification BasesTRM6.0.100TRMSPECIFICATIONBASESThetaoistheazimuthal corelocati,,n ofmaximumtiltPtilt/Punt_tistheratioofthepoweratacorelocationnthepresenceofatilttothepoweratthatlocation_ithnotilt.TheAZIMUTHAL POWERTILTallowance

_sedintheCPCsisdefinedasthevalueofCPCaddressable constantTR-I.0T3.3.100Supplementary Protection

ystem(SPS)Instrumentation TheOPERABILITY ofthereactorprotec;iveandEngineered SafetyFeaturesActuation Systemsinstrumentation andbypassesensuresthat(1)theassociated Engineered SafetyFeaturesActuation

_ictionand/orreactortripwillbeinitiated whentheparameter monitorec byeachchannelorcombination thereofreachesitssetpoint, (2)thespecified coincidence logicismaintained, (3)sufficient redundancy ismaintained tc_permitachanneltobeoutofservicefortestingormaintenance, and(4)st_fficient systemfunctional capability isavailable fromdiverseparameters

.TheOPERABILITY ofthesesystemsisr_quiredtoprovidetheoverallreliability, redundancy, anddiversit_

assumedavailable inthefacilitydesignfortheprotection andmitigaton ofaccidentandtransient conditions

.Theintegrated operation ofeachoftllesesystemsisconsistent withtheassumptions usedinthesafetyanalyst,s.

Thequarterly frequency forthechanni_lfunctional testsforthesesystemsisbasedontheanalysespresented inthlNRCapprovedtopicalreportCEN-327-A

,"RPS/ESFASExtendedTestIntervalEvauation,"

andCEN-327-A, Supplement i,andcalculation 13-JC-SB-200-Rev

.01Theverification ofresponsetimeat_;hespecified frequencies providesassurance thattheprotective andESFactionfunctionassociated witheachchanneliscompleted withinthetimeimitassumedinthesafetyanalyses.Theinstrumentation responsetimesaremaleupofthetimetogeneratethetripsignalatthedetector(sensorrespon_;e time)andthetimeforthesignaltointerrupt powertotheCEAdrivemechilnism (signalortripdelaytime).Responsetimemaybeverifiedbyany;eriesofsequential

,overlapping ortotalchannelmeasurements, including allocated sensorresponsetime,suchthattheresponsetimeisverified,tQlocations forsensorresponsetimesmaybeobtainedfromrecordsoftestresuts,vendortestdata,orvendorengineering specifications

.TopicalleportCENPSD-1167-A, "Elimination of(continued) iPALOVERDEUNITS1,2,3T6.0.100-10Rev587/03/13I TRMSpecification BasesTRM6.0.100TRMSPECIFICATIONBASESPressureSensorResponseTimeTestingRequirements,"

providesthebasisandmethodology forusingallocated senso_responsetimesintheoverallverification ofthechannelresponseimeforspecificsensorsidentified intheTopicalReport.Responsetimeverfication forothersensortypesmustbedemonstrated bytest.Theallocation ofsensorresponsetimesmustbeverifiedpriortoplacinganewcompollent inoperation andreverified aftermaintenance thatmayadversely affectthesensorresponsetime.T3.3.101Radiation Monitoring Instl'umentation TheOPERABILITY oftheradiation moni;oringchannelsensuresthat:(I)theradiation levelsarecontinually measuredintheareasservedbytheindividual channelsand(2)thealarmorautomatic actionisinitiated whentheradiation leveltripsetpointis!xceeded.T3.3.102IncoreDetectors TheOPERABILITY oftheincoredetecto'swiththespecified minimumcomplement ofequipment ensuresthatthemeasurerlents obtainedfromuseofthissystemaccurately represent thespatialneutl'onfluxdistribution ofthereactorcore.T3.3.103SeismicMonitoring TheOPERABILITY oftheseismicinstrurlentation ensuresthatsufficient capability isavailable topromptlyd_termine themagnitude ofaseismiceventandevaluatetheresponseofthosefe_itures important tosafety.Thiscapability isrequiredtopermitcompiLrison ofthemeasuredresponsetothatusedinthedesignbasisforthefaciitytodetermine ifplantshutdownisrequiredpursuanttoAppendixAof10CFRPart100.Theinstrumentation isconsistent withtherecommendations oRegulatory Guide1.12,"NuclearPowerPlantInstrumentation forEarthquakes "Revision2asidentified inthePVNGSFSAR.T3.3.104Meteorological Instrumentation TheOPERABILITY ofthemeteorological instrumentation ensuresthatsufficient meteorological dataareavailable forestimating potential radiation dosestothepublicasaresultofroutineorhccidental releaseofradioactive materials totheatmosphere

.Thiscapability isrequiredtoevaluatetheneedforinitiating protective measuresto)rotectthehealthandsafetyofthepublicandisconsistent withtherec(_mmendations ofRegulatory Guide1.23(continued)

PALOVERDEUNITS1,2,3T.0.100-11Rev587/03/13 TRMSpecification BasesTRM6.0.100TRMSPECIFICATIONBASES"OnsiteMeteorological Programs,"

Feb_'uary1972.Windspeedslessthan0.6MPHcannotbemeasuredbythemeteoroogicalinstrumentation

.Surveillance requirement TSR3.3.104.ismodifiedbyaNOTEtoindicatethatthewindspeed sensorsareexcludedfrmtheCHANNELCALIBRATION

.Thedeviceisfixedbydesignandnoadjustments arepossible.T3.3.105PostAccidentMonitoring Instrumentation TheOPERABILITY ofthepost-accident toringinstrumentation ensuresthatsufficient information isavailable selectedplantparameters tomonitorandassessthesevariables following accident.Thiscapability isconsistent withtherecommendations Regulatory Guide1.97,"Instrumentation forLight-Water-Cooled NuclearPlantsAssessPlantConditions DuringandFollowing anAccident,"

December1975andNUREG0578,"TMI-2LessonsLearnedTaskForceStatusReportandShort-Te1 "mRecommendations

."T3.3.106Loose-Part Detection Instrunlentation TheOPERABILITY oftheloose-part detc_ction instrumentation ensuresthatsufficient capability isavailable todetectloosemetallicpartsintheprimarysystemandavoidormitigatecJamagetoprimarysystemcomponents

.Theallowable out-of-service timesandsu1"veillance requirements areconsistent withtherecommendations ofRegulator_

Guide1.133,"Loose-Part Detection ProgramforthePrimarySystemofLiglt-Water-Cooled Reactors"May1981.T3.3.107Explosive GasMonitoring SystemTheexplosive gasinstrumentation isl)rovided formonitoring (andcontrolling) theconcentrations ofpotentially exposivegasmixturesintheGASEOUSRADWASTESYSTEM.TheOPERABILITY anduseofthisinstrumentation isconsistent withtherequirements ofG_neralDesignCriteria60,63and64ofAppendixAto10CFRPart50.T3.3.108FuelBldgEssential Ventilal,ion Actuation Signal(FBEVASTheFBEVASisaninstrumentation chanllelthatactuatestheFuelBuildingEssential Ventilation System(FBEVS):ominimizeradioactive materialreleasedfromanirradiated fuelassemblydurilgaFuelHandlingAccident, TLCO3.3.108requiresonechannelof_BEVASwhichincludestheActuation Logic,ManualTrip,andradiation montortobeOPERABLE.

(continued)

PALOVERDEUNITS1,2,3TI.0.100-12Rev587/03/13 TRMSpecificationBasesTRM6.0.100TRMSPECIFICATIONBASESThecross-train tripfunctionisprovdedasadefense-in-depth capability andisnotrequiredforFBEVASchannelop_._rability

.Duringmovementofirradiated fuelas'.;embliesinthefuelbuildingwiththerequiredFBEVASchannelinoperable, alOPERABLEFBEVStrainmustbeimmediately placedintheemergency m(deofoperation (i.e.,fanrunning,valves/dampersalignedtothepost-FBI!VASmode,etc.)ormovementofirradiated fuelassemblies mustbesu_;pended immediately

.Thefirstactionensuresthatnoundetected failuresp1"eventingFBEVSsystemoperation willoccur,andthatanyactivefailurewilbereadilydetected.IfanOPERABLEFBEVStrainisnotplacedintheeme'gencymodeofoperation, thisactionrequiressuspension ofthemovementoirradiated fuelassemblies inordertominimizetheriskofreleaseofradio,ctivitythatmightrequiretheactuation FBEVS.Thisdoesnotprecludethemo,,ement offueltoasafeposition.Movementofspentfuelcaskscontainirlgirradiated fuelassemblies isnotwithinthescopeoftheApplicability ofthistechnical specification

.Themovementofdrycaskscontaining irra_Jiated fuelassemblies willbedonewithasingle-failure-proof handlingsysterlandwithtransport equipment thatwouldpreventanycredibleaccidentthatcot_Idresultinareleaseofradioactivity

.T3.3.200RPSInstrumentation Opera_ng(SeetheITS3.3.1Specification Base!)IfavalidCPCcabinethightemperatut

'ealarmisreceived, itispossibleforanOPERABLECPCandCEACtobeaffect_dandnotbecompletely reliable.Therefore, aCHANNELFUNCTIONAL TESTlustbeperformed onOPERABLECPCsandCEACswithin12hours.TheCompletio_

Timeof12hoursisadequateconsidering thelowprobability ofun(letectedfailure,theconsequences ofasinglechannelfailure,andthetime'equiredtoperformaCHANNELFUNCTIONAL TEST.T3.4.100Auxiliary SpraySystemTheauxiliary pressurizer sprayisreluiredtodepressurize theRCSbycoolingthepressurizer steamspacetopermittheplanttoentershutdowncooling.Theauxiliary pressurizer sprayisrequirl_d duringthoseperiodswhennormalpressurizer sprayisnotavailable, stlchasduringnaturalcirculation andduringthelaterstagesofanormalR(;Scooldown.Theauxiliary pressurizer sprayalsodistributes borontothepr'essurizer whennormalpressurizer sprayisnotavailable

.(continued)

PALOVERDEUNITSI,2,3T.0.100-13Rev587/03/13 TRMSpecification BasesTRM6.0.100TRMSPECIFICATIONBASEST3.4.101RCSChemistry Thelimitations onReactorCoolantSystemchemistry ensurethatcorrosion oftheReactorCoolantSystemisminimiz_d andreducesthepotential forReactorCoolantSystemleakageorfailureduetostresscorrosion

.Maintaining thechemistry withintheSteadyStateLimtsprovidesadequatecorrosion protection toensurethestructural i_Itegrity oftheReactorCoolantSystemoverthelifeoftheplant.Theassoc:iated effectsofexceeding theoxygen,chloride, andfluoridelimitsaretim_andtemperature dependent

.Corrosion studiesshowthatoperation maybecotltinued withcontaminant concentration levelsinexcessoftheSteadyState.imits,uptotheTransient Limits,forthespecified limitedtimeintervals

/ithouthavingasignificant effectonthestructural integrity oftheReactmCoolantSystem.Thetimeintervalpermitting continued operation withintherestrictions oftheTransient Limitsprovidestimefortakingcorrective a(:tionstorestorethecontaminant concentrations towithintheSteadySi;ateLimits.Thesurveillance requirements provideadequateassurance thatconcentrations inexcessofthelimitswillbedetecl;ed insufficient timetotakecorrective action.T3.4,102Pressurizer HeatupandCoolcownLimitsThelimitations imposedonthepressur'izer heatupandcooldownratesandspraywatertemperature differential arepr(_vided toassurethatthepressurizer isoperatedwithinthedesigncriteriaa_sumedforthefatigueanalysisperformed inaccordance withtheASMECodeRequrements

.T3.4.103Intentionally Blank,(continued)

PALOVERDEUNITS1,2,3T_.0.100-14Rev587/03/13!II TRMSpecification BasesTRM6.0.100TRMSPECIFICATIONBASEST3.4.104RCSVents(ReactorHeadVenls)ReactorCoolantSystemventsareprovdedtoexhaustnoncondensible gasesand/orsteamfromtheprimarysystem:hatcouldinhibitnaturalcirculation corecooling.TheOPERABILITY ofateastoneReactorCoolantSystemventpathfromthereactorvesselheadensmesthecapability existstoperformthisfunction.Aventpathistheflowcapability frc_mthereactorvesselheadtothereactordraintank(RDT)orfromthereactor'esselheadtocontainment atmosphere

.Thefourventpathsare:1.Fromthereactorvesselheadth'oughsolenoidoperatedvalve(SOV)HV-101,thenthroughSOVHV-105totheRDT.2.Fromthereactorvesselheadthr'oughSOVHV-I01,thenthroughSOVHV-I06directlytocontainment atmosphc_re.

3.Fromthereactorvesselheadthr'oughSOVHV-102,thenthroughSOVHV-105totheRDT.4.Fromthereactorvesselheadthr'oughSOVHV-I02,thenthroughSOVHV-I06directlytocontainment atmosph_,re

.Thevalveredundancy oftheReactorC(,olantSystemventpathsservestominimizetheprobability ofinadvertert orirreversible actuation whileensuringthatasinglefailureofav_ntvalve,powersupply,orcontrolsystemdoesnotpreventisolation oflheventpath.Thefunction,capabilities, andtestirgrequirements oftheReactorCoolantSystemventsystemsareconsistent wilhtherequirements ofItemII.B.IofNUREG-0737.

T3.4.200RCSPressureandTemperature (P/T)Limits(SeetheITS3.4.3Specification Base_)T3.4.201Pressurizer AnOPERABLEpressurizer providespressurecontrolfortheReactorCoolantSystemduringoperations withbothforcedreactorcoolantflowandwithnaturalcirculation flow.Theminimunwaterlevelinthepressurizer assuresthepressurizer heaters,whicharerecuiredtoachieveandmaintainpressurecontrol,remaincoveredwithwaterto)reventfailure,whichcouldoccuriftheheaterswereenergized uncovered

.Themaximumwaterlevelinthepressurizer ensuresthatthisparamet_ismaintained withintheenvelopeofoperation assumedinthesafetyanalysis.ThemaximumwaterlevelalsoensuresthattheRCSisnotahydraulically solidsystemandthatasteami(continued)

PALOVERDEUNITS1,2,3T#.0.I00-15Rev587/03/13 TRMSpecificationBasesTRM6.0.100TRMSPECIFICATI ONBASESbubblewillbeprovidedtoaccommodat_

pressuresurgesduringoperation

.Thesteambubblealsoprotectsthepressum'izercodesafetyvalvesagainstwaterrelief.Therequirement toverifyth,ltonanEngineered SafetyFeaturesActuation testsignalconcurrent withaloss-of-offsite powerthepressurizer heatersareautomatically shedfromtlleemergency powersourcesistoensurethatthenon-Class 1Eheatersdonot1"educethereliability oforoverloadtheemergency powersource.Therequiremc_nt thataminimumnumberofpressurizer heatersbeOPERABLEenhancesthecapal)ility tocontrolReactorCoolantSystempressureandestablish andmaintainnilturalcirculation

.T3.4,202Pressurizer Vents(SeetheITS3.4.12specification Basc_s.)T3.4.203RCSOperational LEAKAGE(SeetheITS3.4.14Specification Bas_s.)T3.4.204RCSPIVLeakage(SeetheITS3.4.15Specification Bas_s.)T3.5.200SafetyInjection Tanks(SeetheITS3.5.1and3.5.2Specifici_tion Bases.)T3.5.201ShutdownCoolingSystemTheOPERABILITY oftwoseparateandir_dependent shutdowncoolingsubsystems ensuresthatthecapability ofinitial.ing shutdowncoolingexistswhenrequiredassumingthemostlimitingsnglefailureoccurs.Therequirement toverifythefunctionality ofaninoperbleshutdowncoolingsubsystem minimizes thetimeexposureoftheplanttoan,ventrequiring shutdownconcurrent withthefailureofacomponent ontheothershutdowncoolingsubsystem

.Theshutdowncoolingsubsystem operatonisdescribed inUFSAR5.4.7.Manyofthecomponents comprising theshutdowrcoolingsystemhavespecificrequirements duringModes1-3inthelechnical Specifications (e.g.,emergency corecooling,containment spray,and(ontainment isolation)

.However,severalcomponents donothavespecificoperaLility requirements inTechnical Specifications, andsomecomponents functiondifferently intheirshutdowncoolingrolethantheydowhenperforning theotherfunctions requiredbyTechnical Specifications

.Thesefact(rsmustbeconsidered whendetermining theOPERABILITY and/orfunctionality ftheshutdowncoolingsubsystems

.Thesafetyanalysisassumesthatshutowncoolingmaybeplacedinoperation oncecoldlegtemperature islesstharorequalto350°Fandpressurizer pressureislessthanapproximately 4[0psia.Additional information (continued)

PALOVERDEUNITS1,2,3T_0.100-16Rev587/03/13 TRMSpecification BasesTRM6.0.100TRMSPECIFICATI ONBASESregarding theshutdowncoolingsystemisinUFSARSection9.3.4.Sincethesubsystem ismanuallyinitiated

,tempc)rary changesinthepositionofshutdowncoolingsystemvalvesfromtheirnorm,lllineupdonotnecessarily maketheminoperable withrespecttotheirshut_lown coolingsafetyfunction.Theactionforoneshutdowncoolingsi_bsystem inoperable requiresverification thattheinoperable subsystem isstilfunctional

.Functionality requiresthesubsystem tobecapableofperforming itssafetyfunctiongivenatransient (e.g.SmallBreakLOCA,SGTR).Functionality willbeestablished utilizing theOperability Determination ProgramTheallowedoutagetimeisconsistent withthedurations permitted forthos,majorshutdowncoolingcomponents whoseoperability iscontrolled byTechnicaSpecifications

.Thespecified outagetimeallowsareasonable opportunity oeffectrepairswhileproviding acceptable limitsforthedurationofintervals wherethesystemmaynotbeOPERABLE.Incombination withthemaintenance rulerequirements in10CFR50.65,theallowedoutagetimeshelp,,nsurethattheshutdowncoolingsubsystems willbefunctional whenreuired.Ifthesubsystem cannotberestoredofunctionality verifiedwithinthestatedtimeframe,theassociated ACTIONplacestheunitinMode4wherethesteamgenerators arestillavailable

_orheatremovalandthestoredenergyoftheNSSSismuchlessthanitisduriigpoweroperation

.WhileinModes3and4continued actionstorestorethesusystemtoOPERABLEarerequired.Theactionforbothshutdowncoolingubsystems inoperable requireverification offunctionality ofatlastonesubsystem within7hours.Theshorterdurationisconsistent withteincreased safetyconsequences thatexistwhentheequipment requiredtoestablish coldshutdownconditions isinoperable.

Ifatleastonesubsysten cannotberestoredorverifiedfunctional within7hours,theassocitedACTIONagainplacestheunitinMode4wherethesteamgenerators areavaiableforheatremovalandthestoredenergyintheNSSSisminimized

.WhieinMode3and4continued actionstorestoretherequiredsubsystems toOPERABLEarerequired.Thesurveillance requirement toplaceeachtrainofshutdowncoolinginserviceeveryrefueling intervaldemorstrates thatthesubsystems arefunctional

.Incombination withothertestingperformed tosupportTechnical Specifications, including thatconducted aspartofthein-service testingandinspection

programs, thespecified surveillances providereasonable assurance thatthesystemwillbeabletoperformitsintendedsafetyfunctions

.I(continued)

PALOVERDEUNITSI,2,3T_.0.I00-17Rev587/03/13 TRMSpecification BasesTRM6.0.100TRMSPECIFICATIONBASESTheSDCsystemsarenormallyinastalldby, nonoperating mode.Assuch,flowpathpipinghasthepotential todevelopvoidsandpocketsofentrained gases.Themethodofensuringthatanyvoidsorpocketsofgasesareremovedfromtheshutdowncoolingsuctionpipingistoventtheaccessible suctionpipinghighpoints,whichiscontrolled byPVNGSl)rocedures

.Maintaining theshutdowncoolingsystemsuctionpipingfullofwaterensuresthesystemwillperformproperlybyminimizing thepotential

ordegradedpumpperformance

,preventing pumpcavitation, andpreventing pumpillgofnoncondensible gas(e.g.,air,nitrogen, orhydrogen) intothereact_)rvesselduringSDC.The31dayFrequency takesintoconsideration th_gradualnatureofgasaccumulation intheSDCpipingandtheadequacyofth_procedural controlsgoverning systemoperation

.

References:

1.UFSARSections5.4.7and.3.42.Combustion Engineering OwersGroupJointApplications ReportforLowPressureSafetyInjec;ion SystemAOTExtension, CENPSD-995, datedMay1995,assubmit;ed toNRCinAPSletterno.102-03392, datedJune13,1995,withupdatesdescribed inletterno.I02-04250datedFebruary26,.999.AlsoseeTSamendment no.124datedFebruary1,2000.(continued)

PALOVERDEUNITSI,2,3T_.0.100-18Rev587/03/13 TRMSpecification BasesTRM6.0.100TRMSPECIFICATIONBASEST3.5.202ECCS-Operating (SeetheITS3.5.3Specification Base.)SURVEILLANCE TSR3.5.202.4REQUIREMENT Maintaining theECClsuctionpipingfullofwaterfromtheRefueling WaterTanlandthecontainment sumptotheECCSpumpsensuresthathesystemwillperformproperlybyminimizing thepotetltialfordegradedpumpperformance

.The31dayfrequency tal:esintoconsideration thegradualnatureofgasaccumulation intheECCSpipingandtheadequacyofprocedural controlsgoverning systemoperation

.T3.5.203ECCS-Shutdown(SeetheITS3.5.4Specification Base_.)T3.6.100HydrogenPurgeCleanupSyst_TheOPERABILITY oftheequipment and_ystemsrequiredforthecontrolofhydrogengasensuresthatthisequipm_nt willbeavailable tomaintainthehydrogenconcentration withincontainrlent belowitsflammable limitduringpost-LOCA conditions

.Thepurgesystl_miscapableofcontrolling theexpectedhydrogengeneration associated with(i.)zirconium-water reactions, (2)radiolytic decomposition ofwaterand(3)corrosion ofmetalswithincontainment.

Thehydrogencontrolsy_,temisconsistent withtherecommendations ofRegulatory Guide17,"ControlofCombustible GasConcentrations inContainment FollowitgaLOCA,"March1971.TheuseofANSIStandardN509(1980)nlieuofANSIStandardN509(1976)tomeettheguidanceofRegulatory Guide1.52,Revision2,Positions C.6.aandC.6.b,hasbeenfoundacceptable asd(,cumented inRevision2toSection6.5.1oftheStandardReviewPlan(NUREG-08(,O)

.T3.6.200Prestressed ConcreteContaimentTendonSurveillance Theprestressed concretecontainment endonsurveillance programensuresthestructural integrity ofcontainment imaintained inaccordance withASMECodeSectionXI,Subsection IWLoftheASMiBoilerandPressureVesselCodeandapplicable addendaasrequiredby10FR50.55a,exceptwhereanexemption orreliefhasbeenauthorized bytheNRCI(continued)

PALOVERDEUNITS1,2,3T6.0.100-19Rev587/03/13II TRMSpecification BasesTRM6,0.100TRMSPECIFICATIONBASEST3.6.201Containment SpraySystemThecontainment systemisnormallyinstandby,nonoperating mode.Assuch,flowpathpipinghasthepotential tod_velopvoidsandpocketsofentrained gases.Themethodofensuringthatanyvoidsorpocketsofgasesareremovedfromthecontainment spraysuctionpipilgistoventtheaccessible suctionpipinghighpoints,whichiscontrolled byPVNGSprocedures

.Maintaining thecontainment spraysystemsuctionpipingfullofwaterensuresthesystemwillperformproperlybyminimizing thepoteltial fordegradedpumpperformance, preventing pumpcavitation, andpreventngdelayofspraydeliverytothecontainment atmosphere

.The31dayFreluency takesintoconsideration thegradualnatureofgasaccumulation intiecontainment spraypipingandtheadequacyoftheprocedural controlsgov,_rningsystemoperation

.T3.6.300HydrogenRecombiners BACKGROUND Thefunctionofthehldrogenrecombiners istoeliminate thepotential breachof,c')ntainment duetoahydrogenoxygenreaction.Per10CFR50.44,"Standards forCombustible GasControlSystemsinLi,ht-Water-Cooled Reactors" (Ref.1),and10CFR50,GDC41"Containment Atmosphere Cleanup"(Ref.2),hydrogenre,ombinersarerequiredtoreducethehydrogenconcentration7 inthecontainment following aLossOfCoolantAccident(I_OCA)orMainSteamLineBreak(MSLB).Therecombiners acco_)lish thisbyrecombining hydrogenandoxygentoformwaterlapor.Thevaporremainsincontainment, thuselilinatinganydischarge totheenvironment

.Thehyd'ogenrecombiners aremanuallyinitiated sinceflamm,_bilitylimitswouldnotbereacheduntilseveraldaysaf;eraDesignBasisAccident(DBA).Two100%capacityind_pendenthydrogenrecombiners aresharedamongthethre_units.Eachconsistsofcontrols, apowersupply,andar__ombinerlocatedintheAuxiliary Building.Recombinat onisaccomplished byheatingahydrogenairmixture,Ibove1150°F.Theresulting watervaporanddischarge g,lsesarecooledpriortodischarge fromtherecombiner

.Air=lowsthroughtheunitat50cfmwitha5hpcentrifugal blow_rintheunitproviding themotiveforce.Asinglerecorlbineriscapableofmaintaining thehydrogenconcentratiolllin containment belowthe4.0volumepercent(v/o)flammabitylimit.Tworecombiners areprovidedtomeetthe_'equirement forredundancy andindependence

.Eachre,combiner ispoweredfromaseparateEngineered SafetyFea;uresbus.(continued)

IPALOVERDEUNITS1,2,3T6._.100-20Rev587/03/13I TRMSpecification BasesTRM6.O.100TRMSPECIFICATIONBASESAPPLICABLE Thehydrogenrecombin_rs provideforcontrolling thebulkSAFETYANALYSEShydrogenconcentratiol incontainment tolessthanthe(continued) lowerflammable conceltration of4.0v/ofollowing aDBA.Thiscontrolwouldpreventacontainment widehydrogenburn.thusensuringtlepressureandtemperature assumedintheanalysisarenot_xceededandminimizing damagetosafetyrelatedequipment locatedincontainment

.ThelimitingDBArelativetohydrogengeneration isaLOCA.Hydrogenmayaccumulate withincontainment following aLOCAasaresultof:a.Ametalsteamreactionbetweenthezirconium fuelrodcladdingandthereactorcoolant;b.Radiolytic decomposition ofwaterintheReactorCoolantSystem(RCS)andthecontainment sumpc.HydrogenintheRCSatthetimeoftheLOCA(i.e.,hydrogendissolved inthereactorcoolantandhydrogengasinthepressrizervaporspace);ord.Corrosion ofmelIsexposedtoContainment SpraySystemandEmercncyCoreCoolingSystemssolutions

.Toevaluatethepoten;ial forhydrogenaccumulation incontainment following aLOCA,thehydrogengeneration asafunctionoftimefoll,)wing theinitiation oftheaccidentiscalculated

.Conserw_ive assumptions recommended inReference 3areused;omaximizetheamountofhydrogencalculated

.TLCOTwohydrogenrecombin_rs sharedamongthethreeunitsmustbeOPERABLE.Thisenuresoperation ofatleastonehydrogenrecombiner itheeventofaworstcasesingleactivefailure.Operation withatleatonehydrogenrecombiner ensuresthatthepostLOCAhydrogelconcentration canbeprevented fromexceeding theflammaLility limit.(continued)

PALOVERDEUNITS1,2,3T6.,.100-21Rev587/03/13 TRMSpecification BasesTRM6.0.100TRMSPECIFICATIONBASESAPPLICABILITY InMODES1and2,twohydrogenrecombiners arerequiredtocontrolthepostLOCAhydrogenconcentration withincontainment belowitsflammability limitof4.0v/o,assumingaworstcasesinglefailure.InMODES3and4,botlthehydrogenproduction rateandthetotalhydrogenproducedafteraLOCAwouldbelessthanthatcalculated fortleDBALOCA.Also,becauseofthelimitedtimeintheseMODES,theprobability ofanaccidentrequiring thehydroge7recombiners islow.Therefore, thehydrogenrecombiners

_renotrequiredinMODE3or4.InMODES5and6,theprobability andconsequences ofaLOCAarelow,dueto;hepressureandtemperature limitations.

Therefore, hydrogenrecombiners arenotrequiredintheseMOD_S.ACTIONSTherequiredACTIONSlavebeenmodifiedbyaNotestatingthatallthreePVNGSJnits(Units1,2,and3)shallsimultaneously complywiththeREQUIREDACTION(s) whenthesharedportionofthehydrogenrecombiner(s) isthecauseofaCONDITION

.Thisisnecessary sincethethreePVNGSUnitssharethetwohydroge7recombiners thatarerequiredbythisLCO.Itwillbenecessary fortheControlRoomofthePaloVerdeUnitthatdiscolers aninoperable sharedportionofthehydrogenrecombiner(s) tonotifytheothertwoPaloVerdeUnit'sControlRooms)ftheinoperability

.A.1Withonecontainment lydrogenrecombiner inoperable, theinoperable recombiner mustberestoredtoOPERABLEstatuswithin30days.Intliscondition, theremaining OPERABLEhydrogenrecombiner iadequatetoperformthehydrogencontrolfunction.Th30dayCompletion Timeisbasedontheavailability oftheoherhydrogenrecombiner, thesmallprobability ofaLOCAorMSLBoccurring (thatwouldgenerateanamountofhydrogenthatexceedstheflammability limit),andtheamountoftim,_available afteraLOCAorMSLB(shouldoneoccur)foroperat)ractiontopreventhydrogenaccumulation fromexc__eding theflammability limit.i(continued) iPALOVERDEUNITS1,2,3T6.D.100-22Rev587/03/13 TRMSpecification BasesTRM6.0.100TRMSPECIFICATIONBASESACTIONSB.IandB.2(continued)

Withtwohydrogenrec)mbiners inoperable, theabilitytoperformthehydrogen]ontrolfunctionviaalternate capabilities mustbelerifiedbyadministrative meanswithin1hour.Thealternate hydrogencontrolcapabilities areprovidedbytheH/drogenPurgeCleanupSystem.TheIhourCompletion Time_llowsareasonable periodoftimetoverifythatalossofhydrogencontrolfunctiondoesnotexist.Inaddition,;healternate hydrogencontrolsystemcapability mustbeverifiedevery12hoursthereafter toensureitscontinued

_vailability

.Boththeinitialverification andall_ubsequent verifications maybeperformed asanadministrativecheck,byexamining logsorotherinformation to_letermine theavailability ofthealternate hydrogencolltrolsystem.ItdoesnotmeantoperformtheSurveillallces neededtodemonstrate OPERABILITY ofthealternate hydn)gencontrolsystem.Iftheabilitytoperformthehydrog_ncontrolfunctionismaintained

,continued operation i:permitted withtwohydrogenrecombiners inoperabl_

forupto7days.Sevendaysisareasolable timetoallowtwohydrogenrecombiners tobeinol)erable becausethehydrogencontrolfunctionismaintainecl andbecauseofthelowprobability oftheoccurrence ofaL()CAthatwouldgeneratehydrogeninamountscapableofexc:eeding theflammability limit.C,1Iftheinoperable hydt'ogenrecombiner(s) cannotberestoredtoOPERABLEstatuswi;hintherequiredCompletion Time.TLCO3.0,100.3 mustbeent_!redimmediately SURVEILLANCE SR3.6.7.1REQUIREMENTS ThisSRensuresthat_;herearenophysicalproblemsthatcouldaffectrecombin_r operation.

Avisualinspection issufficient todetermir_eabnormalconditions thatcouldcausefailures, The6mont_lFrequency forthisSRwasdeveloped considering thatthencidenceofhydrogenrecombiners failingtheSRinthe)astislow.SR3.6.7.2Afunctional testof_achHydrogenRecombiner Systemassuresthattherecombiners

'emainoperational

,Thefunctional testshallincludeop,rating therecombiner including theairblastheatexchan(rer fanmotorandenclosedblowermotor(continued)

PALOVERDEUNITS1,2,3T6.,100-23Rev587/03/13 TRMSpecification BasesTRM6.0.100TRMSPECIFICATIONBASEScontinuously foratl_ast30minutesatatemperature ofapproximately 800°Fr_actionchambertemperature

.Thefrequency recommended forthissurveillance intheImprovedStandardTechnical Specifications (NUREG-1432, Rev.1)is18months.ThebasesforNUREG1432wasdeveloped forpermanently installed hydrogenrecombiners.

Thetwoportablehydrogenrec)mbiners atPVNGSaresharedamongthethreeunits;therefore, the6monthfrequency fromtheinitiallicensing bassisretainedforreliability considerations.

SR3.6.7.3Performance ofaCHANilELCALIBRATION toincludeasystemfunctional testfore_chhydrogenrecombiner ensuresthattherecombiners areol)erational andcanattainandsustainthetemperature necessary forhydrogenrecombination

.Inparticular, thisSRr,_quires 1)resistance checksofmotors,thermocouples, andheatersystems,2)testing/calibration ofallflowelements,

switches, andtemperature

elements, and3)operation ofther,_combiner toincludeafunctional testat1200°F(+/-50°F)foratleast4hours.Operating experience hasshown;hatthesecomponents usuallypasstheSurveillance whenper:ormed atthe12monthFrequency

.Therefore, theFrequeilcywasconcluded tobeacceptable fromareliability standpont.REFERENCES 1.10CFR50.44.2.10CFR50,AppeldixA,GDC41.3.Regulatory Guid<1.7,RevisionO.4.UFSAR,Section.2.5T3.7.100SteamGenerator PressureanTemperature Limitations Thelimitation onsteamgenerator presstreandtemperature ensuresthatthepressureinducedstre_;sesinthesteamgenerators donotexceedthemaximumalowablefracturetoughness stresslimits.Thelimitati)nsto120°Fand230psigforUnits1and3arebasedona;teamgenerator RTNDTof40°Fandaresufficient topreventbrittlefracture.Thelimitations to70°Fand650psigforUnit2arebasedonasteamgenerator RTNDTof-20°Fandar_sufficient topreventbrittlefracture.(continued)

PALOVERDEUNITS1,2,3T6._.100-24Rev587/03/13 TRMSpecificationBasesTRM6.0.100TRMSPECIFICATIONBASEST3.7.101SnubbersAllsnubbersarerequiredtobeable;operformtheirassociated safetyfunction(s) toensurethatthestructural integrity ofthereactorcoolantsystemandallothersafety-related s,stemsismaintained duringandfollowing aseismicorothereventinitiating d,namicloads.Snubbersexcludedfromthisinspection programarethoseins;ailed onnonsafety-related systemsandthenonlyiftheirfailureorfailureofthesystemonwhichtheyareinstalled, wouldhavenoadverseeffec:tonanysafety-related system.Whenoneormoresnubbersareunable;operformtheirassociated safetyfunction(s),

eitherthesupported sys;emmustbedeclaredinoperable immediately orTSLCO3.0.8mustbeerltered.TSLCO3.0.8mayonlybeenterediftherestrictions described inthe.CO3.0.8TSBasesaremet.TSLCO3.0.8isanallowance, notarequirement

.Jhenanysnubberisunabletoperformitsassociated safetyfunction,thesuppo'tedsystemmaybedeclaredinoperable insteadofutilizing LCO3.0.8.RequiredActionA.2mustbecompleted wheneverCondition Aisentered.ThisRequiredActionemphasizes theneedtc_performtheevaluation todetermine ifthecomponents towhichthenonfuncti

_nalsnubbersareattachedwereadversely affectedbythenon-functionality of;hesnubbersinordertoensurethatthecomponent remainscapableofmeeting;hedesignedservice.Restoration aloneperRequiredActionA.1.1orA.1.2isinsufficient becausehigherthananalyzedstressesmayhaveoccurredarldmayhaveaffectedthesupported system.Alistofindividual snubberswithdel;ailed information ofsnubberlocationandsizeandofsystemaffectedshallbeavailable attheplantinaccordance withSection50.71(c)of10CFRPartiO.Theaccessibility ofeachsnubbershallbedetermined andapprovedbyt_ePlantReviewBoard.Thedetermination shallbebasedupontheexistingradiitionlevelsandtheexpectedtimetoperformavisualinspection ineachslubberlocationaswellasotherfactorsassociated withaccessibility during_lantoperations (e.g.,temperature, atmosphere,

location, etc.),andthe'ecommendations ofRegulatory Guides8.8and8.10.Theadditionordeletionoanyhydraulic ormechanical snubbershallbemadeinaccordance withSecton50.59of10CFRPart50.Theacceptance criteriaspecified in;he2001Edition,2003Addenda,oftheASMEOMCode,Subsection ISTDareto_eusedinthevisualinspection todetermine thefunctionality ofthesnubbers.(continued)

PALOVERDEUNITS1,2,3TI.0.I00-25Rev5807/03/13I TRMSpecification BasesTRM6.0.100TRMSPECIFICATIONBASESToprovideassurance ofsnubberfunctional reliability oneofthetwofunctional testingmethodsspecified inthe2001Edition,2003Addenda,oftheAMSEOMCode,Subsection ISTD,shall)eutilized.Theservicelifeofasnubberisesta)lished viamanufacturer inputandinformation throughconsideration of;hesnubberserviceconditions andassociated installation andmaintenan,

'erecords(newlyinstalled snubber,sealreplaced, springreplaced, inhighra,iationarea,inhightemperature area,etc.).Therequirement tomonitorth_snubberservicelifeisincludedinthe2001Edition,2003Addenda,oftheASIIEOMCode,Subsection ISTDtoensurethatthesnubbersperiodically undergo)aperformance evaluation inviewoftheirageandoperating conditions

.-heserecordswillprovidestatistical basesforfutureconsideration ofsnu)berservicelife.T3.7.102SealedSourceContamination Thelimitations onremovable contamin,ltion forsourcesrequiring leaktesting,including alphaemitters, isbasedon10CFR70.39(c)limitsforplutonium

.Thislimitation willensurethatleak,lgefrombyproduct, source,andspecialnuclearmaterialsourceswillnotexc_._edallowable intakevalues.Sealedsourcesareclassified intoth_'eegroupsaccording totheiruse,withsurveillance requirements commensuratE

._withtheprobability ofdamagetoasourceinthatgroup.Thosesourcesl_hicharefrequently handledarerequiredtobetestedmoreoftenthanthosewhcharenot.Sealedsourceswhicharecontinuously enclosedwithinashieldc._dmechanism (i.e.sealedsourceswithinradiation monitoring orboronmeasurillg devices)areconsidered tobestoredandneednotbetestedunlesstheyarcremovedfromtheshieldmechanism

.T3.7.200Atmospheric DumpValves(JDVs)Background SeeTSBasesB3..4Applicable TSBasesB3.7.4.SafetyAnalysesActionsA.1IIftherequiremen sofTSR3.7.200arenotmet,thecondition mustbedocumented inthecorrective actionprogramandanop_!rability determination mustbeinitiated asnecessary tod_!termine theimpactonequipment inthe(continued)

PALOVERDEUNITSi,2,3TI.0.100-26Rev5807/03/13 TRMSpecification BasesTRM6.0.100TRMSPECIFICATIONBASESTSs.Thisactionisrequiredtoassurecompliance withtheTSs.ISurveillance TSR3.7.200.1iRequirements Thenitrogenaccurlulatortankpressuremustbeverifiedtohaveapressureoatleast615psigindicated toensurethatithassuffiientpressurized gastooperatetheADVsfor4hoursathostandbyplus9.3hoursofoperation toreachcoldshutdo_undernaturalcirculation conditions intheeventoffililureofthenormalcontrolairsystem,asdescribed inUISAR10.3.2.2.4andbasedontheRSB5-1cooldownevaluati_ninUFSARAppendix5C.,(continued)

PALOVERDEUNITS1,2,3T,,.0.100-27Rev5807/03/13 TRMSpecificationBasesTRM60.100TRMSPECIFICATIONBASEST37201AFWSystem(SeetheITS375Specification Base.)T37202Essential CoolingWater(EWSystem(SeetheITS377Specification Base.)T37203Essential SprayPondSystem(ESPS)(SeetheITS378Specification Base._.)T37204Essential ChilledWater(ECSystem(SeetheITS3710Specification Bass.)T37205ControlRoomEmergency Airlemperature ControlSystem(CREATCS(SeetheITS3712Specification Basc,s.)T37206FuelStoragePoolWaterLew(SeetheITS3714Specification Ba._.)T37207Secondary SpecificActivity(SeetheITS3716Specification Bas_,s.)T3.8.100CathodicProtection Ifanyothermetallicstructures (e.g.,buildings, newormodifiedpipingsystems,conduit)areplacedinthegroundinthevicinityofthefueloilstoragesystemoriftheoriginalsyslemismodified, theadequacyandfrequency ofinspections ofthecatho(licprotection systemshallbere-evaluated andadjustedinaccordance

,ithRegulatory Guide1.137.T3.8.101Containment Penetration ConuctorOvercurrent Protective DevicesContainment electrical penetrations a_dpenetration conductors areprotected byeitherdeenergizing circuitsnotr_,quiredduringreactoroperation orbydemonstrating theOPERABILITY ofprimaryandbackupovercurrent protection circuitbreakersduringperiodicsurv,illance.Thecircuitbreakerswillbetestedinaccordance withNEMAStandadPublication No.AB-2-1980

.Foraframesizeof250amperesorless,th,fieldtolerances ofthehighandlowsettingoftheinjectedcurrentwillJ,ewithin+40%/-25%ofthesetpoint(pickup)value.Foraframesizeof4_0amperesorgreater,thefieldtolerances willbe+/-25%ofthesetpoitt(pickup)value.Thecircuitbreakersshouldnotbeaffectedwhentestedwihinthesetolerances

.Thesurveillance requirements applicable tolowervoltagecircuitbreakersprovideassurance ofbreakerreliability bytestingatleastoneIi(continued)

IiPALOVERDEUNITS1,2,3T_.0.100-28Rev5807/03/13 TRMSpecificationBasesTRM6.0.100TRMSPECIFICATIONBASESrepresentative sampleofeachmanufacl;urer's brandofcircuitbreaker.Eachmanufacturer's moldedcaseandmetal:asecircuitbreakersaregroupedintorepresentative sampleswhicharethentestedonarotatingbasistoensurethatallbreakersaretested.Ifawdevarietyexistswithinanymanufacturer's brandofcircuitbreak_rsitisnecessary todividethatmanufacturer's breakersintogroupsal_dtreateachgroupasaseparatetypeofbreakerforsurveillance purposes.T_erearenosurveillance requirements onfuses.Forin-linefuses,theapplicilble surveillance wouldrequireremovingthefusesfromthecircuitwhichwoul(destroythefuse.Thetestdataforsurveillance ontheotherfuseswouldnotindicatewhetherthefusewasdegrading whichhasbeenstatedbyth_fusemanufacturer andIdahoNationalEngineering Laboratory

.T3.8.102MOVThermalOverloadProteconandBypassDevicesTheOPERABILITY ofthemotor-operated

/alvesthermaloverloadprotection and/orbypassdevicesensuresthatth_sedeviceswillnotpreventsafetyrelatedvalvesfromperforming theirJunction.Thesurveillance requirements fordemonstrating theOPERABILITY of;hesedevicesareinaccordance withRegulatory Guide1.106,"ThermalOveroadProtection forElectricMotorsonMotorOperatedValves,"Revision1,Mi_rch1977.i(continued)

PALOVERDEUNITS1,2,3T_.0.I00-29Rev5807/03/13 TRMSpecification BasesTRM6.0.100TRMSPECIFICATIONBASEST3.8.200ACSourcesShutdown(SeetheITS3.8.2Specification Base_.)T3.9.100DecayTimeTheminimumrequirement forreactorstbcriticality priortomovementofirradiated fuelassemblies intherea(:torpressurevesselensuresthatsufficient timehaselapsedtoallow:heradioactive decayoftheshortlivedfissionproducts.Thisdecaytimeisconsistent withtheassumptions usedinthesafetyanalyses.T3.9.101Communications Therequirement forcommunications caI_ability ensuresthatrefueling stationpersonnel canbepromptlyinformedofsignificant changesinthefacilitystatusorcorereactivity condition dtlringCOREALTERATIONS

.T3.9.102Refueling MachineTheOPERABILITY requirements fortheefuelingmachineensurethat:(i)themachinewillbeusedformovementofuelassemblies, (2)themachinehassufficient loadcapacitytoliftafu,lassembly, and(3)thecoreinternals andpressurevesselareprotected fro_texcessive liftingforceintheeventtheyareinadvertently engagedduringliftingoperations

.T3.9.103CraneTravelTherestriction onmovementofloadsnexcessofthenominalweightofafuelassembly, CEAandassociated handlingtooloverotherfuelassemblies inthestoragepoolensuresthatintheeventhisloadisdropped(i)theactivityreleasewillbelimitedtothatcontanedinasinglefuelassembly, and(2)anypossibledistortion offuelinth_storagerackswillnotresultinacriticalarray.Thisassumption isconsistent withtheactivityreleaseassumedinthesafetyanalyses.Howe_er,theuseofasinglefailure-proof cranetomovespentfuelcaskcomponerts overirradiated fuelstoredinanapprovedcaskisallowedbythisLCO.I(continued)

PALOVERDEUNITS1,2,3T#.0.I00-30Rev587/03/13 TRMSpecification BasesTRM6.0.100TRMSPECIFICATIONBASEST3.9,104FuelBuildingEssential VentlationSystem(FBEVS)Thelimitations onthefuelbuilding_sentialventilation systemensurethatallradioactive materialreleasedfrolanirradiated fuelassemblywillbefilteredthroughtheHEPAfiltersandcharcoaladsorberpriortodischarge totheatmosphere

.TheOPERABILITY oft_issystemandtheresulting iodineremovalcapacityareconsistent with:heassumptions ofthesafetyanalyses.

IfoneFBEVStrainisinoperable, actonmustbetakentoimmediately verifythattheOPERABLEFBEVSiscapableofbeingpoweredfromanemergency powersourceandtorestoretheinoperable

raintoOPERABLEstatuswithin7days,Duringthistimeperiod,theremainin,IOPERABLEtrainisadequatetoperformtheFBEVSfunction.The7dayComplei:ion Timeisreasonable, basedontheriskfromaneventoccurring requirin!r theinoperable FBEVStrain,andabilityoftheremaining FBEVStraintoprovi(tetherequiredprotection.

Duringmovementofirradiated fuelasembliesinthefuelbuilding, iftheRequiredActionsofCondition Acannobecompleted withintherequiredCompletion Time,theoperation (i.e.,fanrunning,valves/dampersalignedtothepost-FBEVAS mode,etc.)ormovemer_t ofirradiated fuelassemblies mustbesuspended immediately

.Thefirstactionensuresthattheremaining trainisOPERABLE, thatnoundetected failurespreventing systemoperation willoccur,andthatanyactivefailurewillber_,adilydetected.Ifthesystemisnotplacedintheemergency modeofoperalion, thisactionrequiressuspension ofthemovementofirradiated fuelassemL,liesinordertominimizetheriskofreleaseofradioactivity thatmightrequiretheactuation ofFBEVS.Thisdoesnotprecludethemovementoffuelto_safeposition.Movementofspentfuelcaskscontainirg irradiated fuelassemblies isnotwithinthescopeoftheApplicability ofthistechnical specification.

Themovementofdrycaskscontaining irra(iated fuelassemblies willbedonewithasingle-failure-proof handlingsystenandwithtransport equipment thatwouldpreventanycredibleaccidentthatCOLdresultinareleaseofradioactivity

.(continued)

PALOVERDEUNITS1,2,3T_.0.100-31Rev587/03/13 TRMSpecification BasesTRM6.0.100TRMSPECIFICATIONBASESWhentwotrainsoftheFBEVSareinop_rable duringmovementofirradiated fuelassemblies inthefuelbuilding, acti(,nmustbetakentoplacetheunitinacondition inwhichtheLCOdoesnota,ply.ThisLCOinvolvesimmediately suspending movementofirradiated fueassemblies inthefuelbuilding.

Thisdoesnotprecludethemovementoffuetoasafeposition.TheuseofANSIStandardN509(1980)nlieuofANSIStandardN509(1976)tomeettheguidanceofRegulatory Guide1.52,Revision2,Positions C.6.aandC.6.b,hasbeenfoundacceptable asd(,cumented inRevision2toSection6.5.1oftheStandardReviewPlan(NUREG-08(O).

T3.9.200BoronConcentration (SeetheITS3.9.1Specification Base_.)T3.9.201Containment Penetrations (SeetheITS3.9.3Specification Base:)T3.10.200LiquidHoldupTanksThetanksreferredtointhisspecifi(ation includeallthoseoutdoorradwastetanksthatarenotsurrounded byliners,dikes,orwallscapableofholdingthetankcontentsandthatdonothawtankoverflows andsurrounding areadrainsconnected totheliquidradwasetreatment system.Restricting thequantityofradioacti ematerialcontained inthespecified tanksprovidesassurance thatintheventofanuncontrolled releaseofthetanks'contents, theresulting concenrationswouldbelessthan10timesthelimitsof10CFRPart20.1001-20.2402AppendixB,Table2,Column2,atthenearestpotablewatersupplyandtheearestsurfacewatersupplyinanUNRESTRICTED AREA.Thelimitof60curiesisbasedonthanalysesgiveninSection2.4ofthePVNGSFSARandontheamountofsolubenotgaseous)radioactivity intheRefueling WaterTankinTable2.4-26.(continued)

PALOVERDEUNITS1,2,3T6.0100-32Rev587/03/13iI TRMSpecification BasesTRM6.0.100TRMSPECIFICATIONBASEST3.10.201Explosive GasMixtureThisspecification isprovidedtoensrethattheconcentration ofpotentially explosive gasmixturescontained intiewastegasholdupsystemismaintained belowtheflammability limitsofhydr(genandoxygen.(Automatic controlfeaturesareincludedinthesystemt(preventthehydrogenandoxygenconcentrations fromreachingtheseflammability limits.Theseautomatic controlfeaturesincludeisolation ofthesourceofhydrogenand/oroxygen,orinjection ofdilutants toreducethe,oncentration belowtheflammability limits.)Maintaining theconcentrati

,nofhydrogenandoxygenbelowtheirflammability limitsprovidesassuranc,thatthereleasesofradioactive materials willbecontrolled inconfomancewiththerequirements ofGeneralDesignCriterion 60ofAppendixAto0CFRPart50.T3.10.202GasStorageTanksThisspecification considers

postulat, dradioactive releasesduetoawastegassystemleakorfailure,andlimit_thequantityofradioactivity contained ineachpressurized gasstoragetankntheGASEOUSRADWASTESYSTEMtoassurethatareleasewouldbesubstantially belowtheguidelines of10CFRPart100forapostulated event.Restricting thequantityofradioacti\ity contained ineachgasstoragetankprovidesassurance thatintheevent,,fanuncontrolled releaseofthetank'scontents, theresulting totalbodyex,osuretoaMEMBEROFTHEPUBLICatthenearestexclusion areaboundarywill_otexceed0.5rem.Thisisconsistent withStandardReviewPlan11.3,Branc_Technical PositionETSB11-5,"Postulated Radioactive ReleasesDue.oaWasteGasSystemLeakorFailure,"inNUREG-0800, July1981.T3.11.100FIREDETECTION INSTRUMENT,,TION OPERABILITY ofthefiredetection inslmumentation ensuresthatadequatewarningcapability isavailable fortI_epromptdetection offiresandthatfiresuppression systems,thatareacl;uated byfiredetectors, willdischarge extinguishing agentinatimelymanner'.Promptdetection andsuppression offireswillreducethepotential ford_magetosafety-related equipment andisanintegralelementintheoverallfa(:ility fireprotection program.,(continued)

PALOVERDEUNITS1,2,3T.0.100-33Rev587/03/13 TRMSpecification BasesTRM6.0.100TRMSPECIFICATIONBASESFiredetectors thatareusedtoactuatefiresuppression systemsrepresent amorecritically important component olaplant'sfireprotection programthandetectors thatareinstalled solelyfcearlyfirewarningandnotification

.Consequently, theminimumnumberofOFERABLEfiredetectors mustbegreater.Thelossofdetection capability forliresuppression systems,actuatedbyfiredetectors, represents asignificant degradation offireprotection foranyarea.Asaresult,theestablishr_ent ofafirewatchpatrolmustbeinitiated atanearlierstagethanwo_Idbewarranted forthelossofdetectors thatprovideonlyearlyfir_warning.Theestablishment offrequentfirepatrolsintheaffectedareasisrequiredtoprovidedetection capability untitheinoperable instrumentation isrestoredtoOPERABILITY.

Wheninoperable firedetection instrunent(s) areinsidecontainment, REQUIREDACTIONsB.2andC.2requireeither(1]afirewatchpatrolinspectthecontainment zone(s)withtheinoperable instrument(s) atleastonceper8hours,or(2)monitorthecontainmert airtemperature atleastonceperhourateachofthe7locations listedinheBasesforTechnical Specification SR3.6.5.1.Theplantcomputerwiththecontrolroominstalled multi-point recorderandannunciator isanacceptable meansofmonitoring temperatures insidecontainment whenrequired.Th_continuous monitoring ofcontainment airtemperature bytheplantcomputerandmulti-point recorderexceedstherequirement ofhourlymonitoring

.Theplantcomputerandmulti-point recorderutilizespre-setalarmpointsforeachmonitored location.Ifsetpoints areexceeded, anaudioannunciation isreceivedthatalertstheoperatorofanabnormalcondition

.ThefirezoneslistedinTable3.3.11.100-1,FireDetection Instruments

,arediscussed inSection9BofthePVNGSLFSAR.T3.11.101,102,103,104,105,and10(FIRESUPPRESSION SYSTEMSTheOPERABILITY ofthefiresuppression systemsensuresthatadequatefiresuppression capability isavailable tcconfineandextinguish firesoccurring inanyportionofthefacilitywhere_afety-related equipment islocated.Thefiresuppression systemconsistsofthewatersystem,sprayand/orsprinklers

,C02,Halon,firehosestations, andyardfirehydrantsandassociated emergency responsevehicles.Thecollective capability ofthefiresuppression systemsisadequatetomirlmizepotential damagetosafetyrelatedequipment andisamajorelementinthefacilityfireprotection program.(continued)

PALOVERDEUNITS1,2,3T(.0,100-34Rev587/03/13 TRMSpecification BasesTRM6.0.100TRMSPECIFICATIONBASESIntheeventthatportionsofthefir_suppression systemsareinoperable, alternate backupfirefightingequipment isrequiredtobemadeavailable intheaffectedarea(s)untiltheinoperableequipment isrestoredtoservice.Whentheinoperable firefightingequipment isintendedforuseasabackupmeansoffiresuppression, alongerperiodoftimeisallowedtoprovideanalternate meansoffirefightingthanftheinoperable equipment istheprimarymeansoffiresuppression.

Thesurveillance requirements provide_ssurance thattheminimumOPERABILITY requirements ofthesuppression systemsaremet.Anallowance ismadeforensuringasufficient volumeofC02/HalonintheC02/Halonstoragetankbyverifying eithertheweightorthelevelofthetank.Theintervalforsomerequiredsurveillances forC02andHalonsystemsisbasedonthestatistical reliability methodology providedinElectricPowerResearchInstitute (EPRI)Technical Report1006756,FireProtection Equipment Surveillance Optimization andMaintenance Guide.Component failurewillbeenteredintothecorrective actionprogramforanalysisandtrending.Intheeventthefiresuppression watersystembecomesinoperable, immediate corrective measuresmustbetakensincethissystemprovidesthemajorfiresuppression capability oftheplant.3.11.107FIRE-RATED ASSEMBLIES TheOPERABILITY ofthefirebarriersandbarrierpenetrations ensurethatfiredamagewillbelimited.Thesedesignfeaturesminimizethepossibility ofasinglefireinvolving morethanonefireareapriortodetection andextinguishment

.Thefirebarriers, firebarrierpenetrations forconduits, cabletraysandpiping,firedampers,andfiredoorsareperiodically inspected andfunctionally testedto_erifytheirOPERABILITY.

PALOVERDEUNITS1,2,3T_.0.I00-35Rev587/03/13