ML17319B048

Reactor Containment Bldg Integrated Leak Rate Test, 810430-0504

ML17319B048
Person / Time
Site:	Cook
Issue date:	09/10/1981
From:	INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
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ML17319B047	List: ML17319B046 ML17319B048
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{{#Wiki_filter:D,C.COOKPLANTUNITNO.2REACTORBUILDINGCONTAINMENT INTEGRATED LEAKRATETESTAPRIL30-MAY4,1981INDIANA8MICHIGANELECTRICCOMPANY9888109i50437 8i09i0PDRADOCK05000315PDR

D.C.COOKPLANTUNITNO.2CONTAINMENT INTEGRATED LEAKRATETESTAPRIL30-MAY4,1981TABLEOFCONTENTSSection1.0Introduction ~Pae2.0ILRTAcceptance Criteria3.0ILRTResults4.0ConductofTest4.1Organization ofTest4.2LogofTimeandEvents5.0TestInstrumentation andEquipment 5.1TableofInstruments 5.2Instrument Specifications 5.3SensorLocations 5.4Instrument ErrorAnalysis5.5Pressurization Apparatus 1010111212146.0Containment ModelandLeakRateCalculations 146.1Volumelleighing Factors6.2Containment PressureandVaporPressure6.3Containment Temperatures 6.4Statistical Determination oftheLeakRate6.5UpperConfidence Limit6.6LeakRateComputerProgram,'LRTEST'5 17171819227.0'LRT'rogram Printout24Pagei TableofContentsContinued .Section8.0DataAnalysisandSummaries 8.1Graphical Analysis8.2ProgramSummaries ~Pae3232359.0LocalLeakTestProgram9.1PastTestResultsSummary9.2l1ay'1981 LocalLeakTestResults44445310.0References Pageii

1.0 Introduction

ThefirstperiodicIntegrated LeakRateTest(ILRT)fortheDonaldC.CookNuclearPlant-Unit2reactorcontainment wassuccessfully completed onMay4,1981bypersonnel ofIndiana8MichiganElectricCompany(18M).TheILRTwasperformed asspecified insurveillance testprocedure 12THP4030STP.202,Rev.3andincompliance withAmericanNationalStandard-ANSIN45.4-1972,'LeakageRateTestingofContainment Struc-turesforNuclearReactors'nd CodeofFederalRegulations 10CFR50AppendixJ-'PrimaryReactorContainment LeakageTestingforHaterCooledPowerReactors'. Theabsolutetestmethodwasusedonthe3com-partmentcontainment modeldeveloped forboththeUnit1andUnit2Preoperational Integrated"Leak RateTests.Datawascollected athalfhourintervals overa24hourtestperiod.Thisdatawasusedto.calculate thenormalized weightoftheinitialdryairmassremaining inthecontainment ateachhalfhourinterval. ThemeasuredTypeAleakagerate,Lam,istheslopeofastraightlinedetermined foralinearleast-squares fitofthecalculated normalized weightvs.time.2.0ILRTAccetanceCriteriaTheUnit2Technical Specifications andSection5oftheFinalSafetyAnalysisReport(FSAR)definethecontainment allowable leakage,La,as0.25percentbyweightofthecontainment airper24hoursatapressure, Pa,of12.0psig.Themeasuredleakagerate.Lam,mustbedemonstrated tobelessthan0.75La,(0.1875'Awt/day)asrequiredby10CFR50AppendixJ.Inaddition, theaccuracyoftheleakagemeasurement mustbeverifiedbyperforming asupplemental test,theresultsofwhichareacceptable providedthedifference betweenthesupplemental testresultsandtheTypeAresultsiswithin'.25 La'(0.'0625/ wt/day).Asspecified inSection5.0ofD;C.CookPlantSurveillance TestProcedure 12THP4030STP.202andinaccordance with10CFR50AppendixJSectionIII-A,'LeakageTest-Requirements, TypeA'ests',thetestwasconsidered acceptable whenthefollowing criteriahadbeenmet:2.1Theleakrate,asdetermined bythe95%upperconfidence limitoftheleastsquaresline,Lam/955hasconverged toan'acceptable level:'Lam/95K(0.75La-TypeCLeakagePenalty}2.2ThedurationoftheILRThasexceededtheminimumof12hou'rsandthedifference betweenthe954upperconfidence leakagelimitandtheleakagerateitselfdoesnotexceed,0.0625/wt/dayinthemostrecentdataset.Page1

2.3Theupperconfidence levelleakageandthemeasuredleakagedonotshowanegativetrendoverthelastfourdataruns.TheSupplemental Testwasconsidered acceptable whenthe'following criteriaweremet:2.4ThedurationoftheSupplemental Testmeetsorexceedstheminimumof6hours.-2.5Thesumoftheimposedleak,L,andtheleakagemeasured~duringtheTypeAtest,L,i3within+0.25Lofthecomposite leakage,L,meNuredinthesupplemental test.(L+L-0.25L)<L<(L+L+0.25L)ThecriteriausedforthisIntegrated LeakRateTestismorestringent thanthatspecified in10CFR50AppendixJ.Thesecriteriaincorporate additional testcommitments madebyD.C.CooktotheNuclearRegulatory Commission. These.additional commitments areembodiedinaresponsetoguestion22.14ofAppendixgo'ftheD.C.CookNuclearPlantUnit2FSAR.3.0ILRTResults3.1=LeakageRateSummary:DurationofTypeATest:24hoursDurationofSupplemental Test:6hoursA.ILRT'TypeA'eakRate,LamB.ILRT'TypeA'55UpperConfidence LimitLeakRate,Lam/95%C.TypeCLeakagePenaltyNeasuredLeakage*'wt24hours-0.05287-0.05748-0.015975 Allowable Leakage*Xwt/24hours-0.1875** 0.75La-TypeCLeakagePenalty++=-0.1875-(-0.015975) =-0.17153N/AD.ImposedLeakRate,Lo-0.200605La<Lo<La-0.125<Lo<-0.25E.SupplcmentalTest=Composite Leakage,Lc-0.24631N/AF.Supplemental Test-Correlation am(LcLo)0.00716Lam-(LcLo)<.25La**Lam-(Lc"Lo)<~0625Page2

Theslopeofthelinearregression linecomputedforweightremaining inthecontainment asafunctionoftimeisnegativesinceweightremaining inthecontainment decreases asafunctionoftime.Henceleakageoutofthecontainment isshownasnegativeinthe-table.**10CFR50AppendixJcriterion ++Testcriterion specified byplantprocedure 12THP4030STP.202+Guideline proposedbyANS274DraftNo.1.ItemA,L,isthemeasuredcontainment leakageafter24hoursoftBingdatainone-halfhourintervals. Itwascalculated usingthe'Absolute Method'na'totaltime'asis asdescribed inAmericanNationalStandardN45.4-1972.ItemB,L/95%,isthe95Kupperconfidence limitoftheleakrateI'tiscalculated fromthevarianceoftheslopeoftheleast-squareslineandthevalueofthet-distribution fora95Kconfidence thatL/95/istheupperlimitoftheactualleakrate.ItemC,ThetypeCpenaltyleakageiscalculatd fromthelocalleakagetestprogramconducted perplantprocedure 12THP4030STP.203,'TypeBandCLeakRateTest'.TheTypeCpenaltyleakagerepresents theleakageofsystemspenetrating thecontainment pressureboundarythatisrequiredtobedrainedandventedfortheTypeAtest,thatduetoexistingpiping,configurations orplantconditions couldnotbedrainedorvented.Theleakageofisolation valvesassociated withthesesystemsappearsinTable3.2.The".otalonTable3.2,expressed inweightpercentperday,issubtracted fromtheallowable leakagespecified forItemBinSection3.1.TheuseoftheTypeCpenaltyinli'euofdrainingtheaffectedsystemwaspartofcommitments madetotheNRCandappearsformallyinAppendi,x g,question22.'l4oftheUnit2FSAR.ItemD,L,istheimposedleakusedinthesupplemental testtoverifyt3eaccuracyoftheTypeAtest.Inaccordance withguidelines ofANS274DraftNo.1andtheUnit2Technical Specifications therateoftheairbleed,inweightX/day,wasestablished at.2006wt5/day.Page3 Table3.2TeCPenaltLeakaeForUndrainSstemsRCDTtoRCDTppsCPNP40Isolation ValvesDCR-205DCR-206Leakage~SCCMRCSystemaccumulator filllinesRefueling waterlinetoRefueling Cavity6836ICM-256SF-151SF-15349.6Cont.SumpLinetoHasteHoldupTanks41DCR-600DCR-601748.6NESWtoandfromContainment 6061.4RCPSealHaterLines11121314CS-442-1CS-442-2CS-442-3CS-442-476.2CVCSLetdownandExcessLetdownLines3437QCR-300~50.0QCM-250&-350SampleLinesfromAccumulators 81ICR-5ICR-6SampleLinesfromPressurizer66NCR-109&1100NCR-107&108CYCSChargingLine35.CS-32160.6GlycolLinesto.andFromIceCondenser AHU's86VCR-10&11VCR-201TotalTypeCLeakagePenalty(SCCM)=7046.4Expressed in/La=6.39Expressed in/wt/day=.015975Page4 fll,fl! ItemE,thecomposite leakage,L,istheslopeoftheleastsquareslinedetermined fromthedatatakenduringthe.supplemental test.Ideally,LwouldbeequaltothesumofLandL.camoItemF,Supplemental TestCorrelation. 10CFR50AppendixJrequiresthattheagr'cement betweenLand(L+L)iswithin.25L.Thetableshowsthatth5correlHion 8etweenLand(L+L)isa'00716/wt/dayor0.03L.4.0ConductofTest4.1Oranization ofTestTheD.C.CookPlantPerformance Engineering Sectionwasresponsibile fortheIntegrated LeakRateTest.Functions performed bypersonsinvolvedinthetestcouldbesubdivided betweenpre-testandtestactivities. Figure4.1.1and4.1.2illustrate theorganization ofpre-testandtestactivities, respectively. Pre-TestResonsibilities TestSupervisor -Organized effortsrequiredtoensurethereadiness ofUnit2Containment Systemsandtestinstrumentation fortheconductofthistest.Thisincludedarranging forinstrument calib'ration, installation, andsystemchannelverification, andcompleting testprerequisites. Instrument Technicians -Performed installation andchannelverification oftest.instrument system.Containment Inspection Group-Organized andconducted aninspection ofallaccessible containment interiorandexteriorsurfaces, penetrations andassociated systems.Evaluated andreportedinspection resultsandwasresponsible f'rinitiating any'corrective actionrequired. LocalLeakTestProgramGroup-Performed TypeBandCLeakRateTestasperplantprocedure 12THP.4030STP.203.Responsible forinitiation corrective actionasindicated bytestresults.ReportedresultstoTestSupervisor. Department Interfaces -Contacted asrequiredtohelpsafisfytestprerequisites. TestResonsibilities TestSupervisor -(1per12hourshift)Responsible formaintenance oftestdocumentation, datainspection, andthegeneralconductofthetest.Page5 Timekeeper/Data Coordinator -(1per12hour'hift) Maintained controloverdatacollection intervals andtransferred datatothecomputerinputformat.DataDispatcher -(1per12hourshift)Checkedthetransferofdatafromdataacquisition systemtapesanddatatakers'heets tothecomputerinputformat.Shuttledcodingformsfromtestareatocomputerterminal, loadedpunchedcardsintocardreader,andcheckedtransferofdatafromcodingformstocomputerprintout. DataTakers-(3per12hourshift)Responsible fortherecording ofspecifictestinstrument readings. KeypunchOperator-(1per8hourshift)Responsible forpunchingdataontocardsfromcodingsheet.Assisteddatadispatcher incheckingtransferofdatafromcodingformstocomputerprintout. Page6 FIGURE4.1.1-PRE-TESTORGANIZATION TESTSUPERVISOR INSTRUMENT TECHNICIANSCONTAINMENTINSPECTION LOCALLEAKTESTPROGRAMTESTGROUPDEPARTMENT INTERFACES w/OPERATIONS, CSI,MAINT.FIGURE4.1.2-TESTORGANIZATION 'ESTSUPERVISOR KEYPUNCHOPERATORINSTRUMENT TIMEKEEPERDATACOLLEC-TIONCOOR.AEPSCCOMPUTERTECHNICAL SUPPORTCANTONDEPARTMENT INTERFACES w/OPERATIONS, C8tI,MAINT.,RADPROTECTIO DATADISPATCHERS DATATAKERSPage7

AEPSCComputerTechnical Support-Canton-Oncallincaseofafailureofeitherthedataanalyaisprogramorthecomputersystem.Instrument Technicians -(2per12hourshift)Responsible formaintaining alltestinstrumentation inaproperoperating condition. Department Interfaces -Contacted asrequiredtocompletetestrequirements. 4.2LoofTimesandEventsHavingsatisfactorily completed theinstallation andcheckoutofalltestinstrumentation, asuccessful containment inspection, thevalveline-up.initialconditions, andallothertestpre-requisites, pressurization 'ofthecontainment wasinitiated. Pressurization oftheUnit2reactorcontainment beganat0530hoursonMay1,1981.Containment temperatures, pressures,'nd vaporpressures, andambienttemperature andbarometric pressurewereloggedonanhourlybasis.Eachdatasetcollected wereassigneda'RunNumber'tar tingwithRun81at0600hours.At0130onMay2,1981pressurization wasterminated atapressureof12.4932PSIG(Run25P).Duringthepressurization periodtwoseparateentriesweremadeintothecontainment instrument roomtoworkondewpointhygrometers. Rewiringofthehygrometer readoutscorrected thehygrometer problemsonallhygrometers exceptVPL-2.Itwasdecidedjustpriortotheendofthepressurization periodtorunthetestwithoutthisredundant hygrometer.

• Throughout theremainder ofthetestYPL-Iwasusedaloneforlowervolumedewpoint.Thestabilization periodwasinitiated at0200onMay2.Aftertheminimumperiodof4hours,containment temperatures weremonitored closelytodetermine whenthestabilization criteriahadbeenmet.Stabilization criteriadefinedbyprocedure 12THP4030STP.202are:a.Thedurationofthestabilization periodhasexceededtheminimum4hours.b.Thecontainment hasbeenmaintained atapressureof12.0(+0.5,-0.0)psigforaminimumof2hours.c.Theweighedaveragetemperature intheUpper,Lower,and'IceCondenser compartments hasnotvariedmorethan0.1'F/hroverthelastfour(4)hourperiod.d.NosingleUpper,LowerorIceCondenser compartment temperature readinghaschangedmorethan0.5'Fduringthelasthourofthestabilization period.Page8 ij Atapproximately 0300itwasdiscovered thataheaterwasenergized onHV-CUV-2whichwasrunning.Thisheaterwassecuredandallventilating unitsinthecontainment werestartedtotrytocirculate airtoimprovethetemperature distribution.

tlostofthefanstrippedoffduetothermaloverloadafteraboutonehourandwereleftoff.Allfansweresecuredatabout0530.After15hoursallofthestabilization criteriaweremetandthestabilization periodwasdeclaredoverat1700onHay2,1981(Run31S).The'TypeA'estwasbegunat1730onHay2,1981withacontainment pressureof12.3799psig.Preliminary leakagecal-culations performed forthestabilization periodhadindicated thatthe'TypeA'estcriterion hadalreadybeensatisfied. Itwasnowjustamatterofcontinuing thehalf-hour datacollection intervals untiltheminimum24hourtimerequirement andotherselfimposedcriteriahadbeenmet.After24hoursofdatacollection the'TypeA'estwasdeclaredsuccessfully complete. (Run49T).AfterRadiation Protection drewasampleofthecontainment airforanalysis, airwasbledfromthecontainment throughacali-bratedrotameter. Thisleakratewasestablished at3.1scfm(.2006wtI/day)whichisinaccordance withtheUnit2Technical Specifications (quantity greaterthan255oftotalmeasuredleakageatPa)andtheguidelines ofANS274Draft1(.5LL<L).Atthecompletion oftheminimum6hoursofdat3c8lleciion thesupplemental testandtheILRTwasdeclaredsuccessfully complete. Thesupplemental testshowedacorrelation betweenthemeasuredleakandtheimposedleakof.03L,wellwithintherequirement oflessthan.25L.Thecontaikment wassubsequently depressurized andsy'stemswererestoredtonormalasrequiredbyplantoperations. Page9 5.0TestInstrumion8EuimentTable5.1Tesnstrumentation ItemPressureMeasurement Manufacturer MensorQuartzModelRan<acQM10100-001 0-100psig0-75psia*~AccuracTestID+0.015readingPU-l,PL-1,PL-2.0001psiresolution PI-1,PI-2PU-2"TexasInstr.Manometer 1450-50psia+.03%reading.0001psiresolution PatmTemperature Sensors/BridgeHycalEngineering 1000PlatinumRTD's/Matched ModularLin-earizingBridgesRTS-4233-B UpperCont.,ESD-9050-A IceCond.(0-100'F) +0.06'FLowerCont.(0-120'F) ETR-101thruETR-146,AmbientDewPointTemperature Temperature RecorderSupplemental TestFlowmeter EG3tGFlukeBrooksMirrorSurfaceDataLoggerRotameter 992(B)6604)224081110-080-100'F-50to+100'C0-40mV0-4v0.2to5.6SCFMi0.5'F+0.3'C+0.014reading+0.005Kspan+lc/FSYPL-l,VPL-2VPI-1,VPI-2,VPU-1,VPU-2ETR'sDewPointsSupplcmentalHeiseTestPressureGageBourdonTubeCCM0-3psig0.1Ã,FSN/A*0-75psiaQuartzmanometer usedattestconnection PU-2.Page10 5.2Instrument Secifications Theinstrumentation usedduringtheILRTisshowninTable5.1.Eachoftheinstruments shownherewassuppliedwithcalibration performed within6monthsofthetestandtraceable totheNationalBureauofStandards. Calibration conversion formulasandcorrections werepreprogrammed intotheILRTcomputerprogramtoallowdirectinputofallpressure, temperature anddewpointinstrument readings. Twoprecision t3ensorquartzmanometers wereusedforredundant measurement ofthepressureineachoftheupper,lower,andicecondenser compartments ofthecontainment. Aseventhwasusedtomonitoratmospheric pressureduringthetest.Thethreecontainment compartments wereinstrumented withatotalofforty-six.(46) 100platinumRTDsensors.Theupper,lower,andicecondenser compartments contained 16,23and7sensorsrespectively. Eachsensorislocatedtorepresent thetemperature ofauniquesub-volume withinitscompartment. Thesub-volumes collectively represent thetotalvolumeoftheirrespective compartment. EachRTDreadingisconverted intheleakratecomputerprogramtotemperature indegreesFahrenheit. Eachtemperature isweighedbythefractionofthetotalcompartment volumecontained inthesub-volume theRTDrepresents. Thesumoftheweighedtemperatures ineachcompartment istheweighedaveragetemperature ofthatcompartment. Pagell

SixCambridge DewPointHygrometers wereusedformonitoring compartment dewpointtemperatures forthedetermination ofvaporpressureintheleakratecomputerprogram.Theyprovidedredundant measurement ofdewpointineachofthelowercontainment, uppercontainment andicecondenser. TheUnit1andUnit2preoperational testsusedonly4hygrometers, 2inthelowervolumeandoneinboththeupperandicecondenser volumes.Forthistest,twohygrometers wereaddedfortheupperandicecondenser volumes.Theoriginal4hygrometers arethet1odel8992dewpointhygrometers usedintheUnit1andUnit2preoperational tests.Thenew)1odel8660hygrometers areimprovedandmorecompactthantheNodelf992.Theyalloperateonthesameprinciple. Theairsampleisdrawnthroughinstrument linesacrossamirroredsurfaceofwhichthetemperature iscontrolled byanopticalfeedbackcircuittoprecisely thepointatwhichadew(orfrost)appears.Themirrortemperature ismeasuredbyaplatinumRTDimbeddedinthebodyofthemirror.Thesensorandcontrolunitswerelocatedinsidethelowercontainment volumesothatthesampleswouldbemaintained atthecontainment pressure. Theerrorassociated witheachindividual dewpointmeasurement is+0.5F.Theadditionofredundant measurements didnotsignificantly affecttheerroroftheoveralldewpointtemperature measurement system.Page12 1J ABrooksrotameter wasusedinthesupplemental testtomeasureandmaintainaconstantflowratefortheimposedleak.Itwascalibrated intherangeof0.6to6scfmat14.7psiaand70Fwithanaccuracyof+1.05ofFullScale.Theactualinlettemperature andpressureforthesupplemental testwere63.7and18.8psia.Thetemperature wasmeasuredusingETR-133whichisincloseproximity totheendoftherotameter inletlineinsidethelowercontainment. Pressurewasmeasuredattheinlettotherotameter itselfusinga0-30psiaHeisegage.Thetemperature andpressurereadingswereusedtocorrecttheindicated rotameter readingstostandardconditions usingthefollowing relationship: Wcorr=WindX+TETR-133XGageatm14.7WcorrWindETR-133atmCorrected rotameter flowinpathIndicated rotameter flowincfmRotameter inlettemperature, 'Atmospheric

pressure, psia5.3SensorLocations Thelocations ofthesensorsusedforthistestwereidentical tothelocations originally specified fortheUnit1andUnit2preoperational ILRT's,Figure5.2.1(MSK-78C) showsthelocationinsectionviewsofthecontainment.

5.4~ATheinaccuracies associated withtheuseofthetestinstrumentation packageusedintheUnit2Preoperational ILRTinmeasurement ofthecontainment leakageratewasdetermined tobe+0.076L.Acopyoftheanalysiscalculation iscontained intheUnit2.Preoperational Integrated LeakRateTestReport.Intermsoftheimpactonthiserroranalysisonlyinsignificant differences existbetweentheinstrumentation packageusedintheUnit2Preoperational-ILRTandthepackageused,inthistest.Theerroranalysisandthe+0.076LresultobtainedfortheUnit2Pre-operational ILRTTsconsidlred tobealsorepresentative ofthemodifiedinstrumentation packageusedinthistest.Page13 5.5Containment Pressurization AaratusAsintheUnit1andUnit2Preoperational tests,theplantairsystem,inconjunction withtestpressurization filtersanddriers,wereusedforpressurizing thecontainment. Theairentersthecontainment atapproximately ambienttemperature andadewpointofapproximately -20'F.Theairentersthecon'tainment throughasparepenetration intheuppervolume.Avalveisprovidedatthepenetration outsidethecontainment, wheretheairlinecanbeisolatedandclosedwithablankflange.6.0Containment ModelandLeakRateCalculation Thecontainment leakareperformed bythe'absolute'ethod ona'totaltime'sdescribed inAHS-N45.4-1972. Thecontainment designpressureis12.0psigandallowable leakage(0.75La)is0.18755wt/day.Thecontainment modelandleakagecalculations usedtoperformthistest-areessentially thesameastheonesusedintheUnit1andUnit2preoperational tests.A3-compartment modelisemployedforthecalculation ofthecontainment leakrate.Itwasdeveloped toaccommodate thedistinctandwidelyvariedenvironmental conditionsexistingineachoftheUpper,LowerandIceCondenser Volumes.Thenormalized fractionoftheinitialcontainment dryairmass,W,iscalculated onacompartmental basisbyratioingthesumofntheproductofeachcompartment's dryairdensityandcompartment volumefractions asdetermined fromdatacollected attimet,tothesamevaluedeter-minedfromtheinitialdatacollected atntimet.0Expressed inequationfons:1Wn=KWFunUn+VWFLnLn+VWFP-VPP-VPuTunLTPIn-VPInTIn1RVWFUUoUo+VWFLoL+VWFUoLoIo-VPIoTIoPage14 Ipli Where:W=normalized weightremaining incontainment attimet(dimensionless) nft-1bsR=gasconstantfordryair=53.34ibm-'R(Thetermscancel)VWF=VolumeWeighingFactor(Eachcompartment volumeisratioedtotheLowerCompartment Volume)(dimensionless) P=Compartment TotalPressure(psia)VP=Compartment VaporPressure(psi)T=Compartment WeighedAverageTemperature (degreesRankine)UpperCompartment LowerCompartment IceCondenser InitialTimetimeatnthdatacollection 6.1VolumeWeihinFactorsTable6.1.1showsthecompartment freevolumedistribution fornormaloperation: Table6.1.1*.Containment FreeVolumeComartmentFreeVolumeftUpperLowerIceCondenser Total687,819365,614210,7231,264,156 Thevolumedistribution existingatthetimeofthetestmaydifferfromthevaluesindicated inTable6.1.1intwoways:*Ref.AEPSCI&CCalculation 12-PI-05'VolumeWeighingFactors'age 15 1.Thetotalvolumeoftheicecondenser inTable6.1.1doesnotincludethevolumeoficeresidentinthe'icebasket'.2.Thelocationofthemoveablesectionsofthereactormissileshielddonotnecessarily havetobeinplaceduringthetest.Theicecondenser volumewasadjustedforthepresenseofthevolumeoficeintheicecondenser asdetermined bytheIceBasketWeighingProgram,performed perplantprocedure 12THP4030STP.211betweenMajch16andApril8,1981.Thetotaliceweightw~s2.637x10pounds.Thestandarddensityofice,563lbs/ft ,isassumedtocalculate thevolumedisplaced, 47,095ft.3ThisreducesthenetfreevolumeintheIceCondenser to163,628ft.Thelocationofthemovablesectionsofthereactormissileshieldaffectsthevolumedistribution betweentheupperandlowervolumes.Whentheshieldisremovedfromitsnormaloperating positionitprovidesopenaccesstothecont~olroddrives,andreactorheadfromtheuppervolume.The16,147ftoffreevolumeabovetheheadnormallyisolatedfromtheuppervolumebytheshields,isthenindirectcommunications withtheuppervolume.Whentheshieldsareinplace,thevolumeisventedonly.tothelowercontainment andistherefore considered partofthelowervolume.Table6.1showsthevolumedistribution ofthe'containment withamissileshieldremoved,whichisthepositiontheshieldswereinfor)heperformance ofthistest.Hadtheshieldsbeeninplace,16,147ftwouldhavebeensubtracted fromtheuppervolumetotalandaddedtothelowervolume.Thecontainment volumesusedinthecalculations oftheleakrateinthistestareshowninTable6.1.,2.Table6.1.2Containment VolumeAd'ustedForConditions ExistinDurinUnit2ILRT.ComartmentFreeVolumeftUpperLowerIceCondenser Total703,966349,467163,6281,217,061 Volumeweighingfactorsweredetermined fromthevaluesinTable6.1.2'.Thevolumeweighingfactorsexpresscompartment volumesinper-unitusingthelowervolumeas'base'.Table6.1.3showsthevolumeweighingfactorsusedforthecalculation oftheleakrateinthis,test.Page16 Table6.1.3Containment VolumeHeihinFactorsderivedfromTable6.1.2ComartmentUpperLowerVuLVLLVolumelieihinFactor2.01441.0000IceCondenser IVL0.46826.2Containment PressureandVaorPressure6.3Equation6-1showsthatthecompartment pressures arecompen-satedforvaporpressureinthecalculation ofweightremain-inginthecontainment volume.Theevaporation ofwaterfromtheexposedsurfacesofwatervolumesinthecontainment wouldresultinanincreaseincontainment vaporpressureaswellastotalpressure. Thecondensation ofwatervaporontocontainment surfacescoolerthanthedewpointofthevaporwouldcauseadecreaseinboththevaporpressureandtotalpressure. Ifthetotalpressurewerenotcompensated forvaporpressure, vaporpressureincreases duetoevaporation wouldreflectanapparentincreaseofthecontainment airmass,whichwhensuperimposed overamasslossduetocontainment leakagewouldresultinameasuredleakrateofalessmagnitude thantheactualleakrate.Condensation wouldresultinameasuredleakagegreaterthantheactualleakrateifthecorrespondi ngvaporpressurechangewerenotaccounted for.Thesensitivity oftheleakratecalculations tovaporpressurechangesisespecially greatinanIceCondenser Containment sincetheenergyabsorbing icebedreducesthedesignaccidentpressurefrom50-60psig,typicalofconventional containments, to12psig.Thevaporpressuretherefore represents alargefractionofthetotalpressureintheicecondenser containment. Containment TemeraturesContainment temperatures areusedtocompensate theweightremaining calculation fortotalpressurechangescausedbythethermalexpansion orcontraction ofthecontainment atmosphere. Itisrecognized thattemperature gradients existinthecontainment andtemperature changeswillnotnecessarily beuniformthroughout thecontainment. Therefore thecontainment Page17 isinstrumented with46temperature probes,locatedsuchthateachmonitorsafractionofthetotalcontainment volume.Intheestablishment oftemperature sub-volume boundaries andtemperature probelocation, consideration wasgiventothelocationofphysicalthermalbarriersandheatsourcesandsinks.Thesub-volumes aregenerally different insizeaswellasshape,thus,indetermining averagecontainment temp-erature,temperature readingsareweighedasafunctionofthevolumefractiontheyrepresent. Theweighingoftemperature readingsoccursonacompartmental basis.Theweightedaveragetemperature inacompartment isgivenbythefollowing expression. NcTZTKvgcni=].cniciTavl<eighedaveragecompartmenttemperature(')cnforcompartment cattimetnKcnTemperature atsensoriincompartment cat'imetK.CiTemperature weighingfactorassociated withsensoriincompartment c.Totalnumberofsensorsihcompartment c.Temperature weighingfactors,likethevolumeweighingfactorsdiscussed inSection6.1varyasafunctionofbothicecondenser loadandreactormissileshieldplacement. 6.4TheStatistical Determination oftheLeakRateThereisinevitably acertianamountofrandomerrorassociated withtheleakratemeasurements andthecontainment leakageitselfthatcauseavarianceinthecalculated remaining weight,Wn,andtheleakrate,Lam.Inordertodetermine theleakratefromWnafteratestperiodoft,afirstorder(linear)least-squares fitofWvstisperformed. nThismethodselectsafunction, W(t)=bt+a, inwhichslope,bandintercept, a,aredetermined byminimizing thevarianceg,ofWwithrespecttoW(t).ThevarianceofWnrelativetoW(t)fs:Page18 2"(Wi-W(t))=z(Wi-(bt.+a))n1=1(6.4-1)Thevaluesofaandbthatestablish theminimumvariance~aregivenbythehomogeneous simultaneous solutionofthepartialderivatives ofawithrespecttoaandb:0and-=0BaBa~aaBb(6.4-2)Thesolutionoftheaboveyield:nnnEWt-EWEi=1i=1i=1(6.4-3)n.2nnnEt~.zW~-zt.EW~i=1i=1i=1i=1n2nzti-(zt)i=11=1(6.4-4Theslopeofw(t),b,istheleakrateexpressed asthechangeinnormalized containment weightperunittime.Theunitoftimeusedishours,andthus,Lisgivenby2400Lam=tn(Xwt/day) 6.5TheUerConfidence LimitThe951UpperConfidence Limitoftheleakrateisdetermined from'hevarianceoftheslopeoftheleast-squares line,W(t),andthevalueofthet-distribution forn-2degreesoffreedombasedonaone-sided 95%confidence interval. Theuseoftheone-sided intervalinthistesthasreplacedthetwo-sided intervalusedintheUnit1andUnit2Preoperational tests.Thetwo-sided limitplacedupperandlowerboundsaboutthemeasuredleakratewithinwhichtherewasa95Kcertainty ofthe'actual'eak rateexisting. Sincetheintervaldetermined bythismethodissymmetrical, the954two-sided intervalwasactuallyimposinga97.5Ãconfidence ontheupperboundoftheleakrate.Theimposition ofa954confidence ontheupperlimitoftheleakrateisequivalent totakingtheupperboundofa90/two-sided interval. Page19 Thet-distribution isusedtoestimatetheintervalaboutthemeanvalueofafinitesetofv(nu)independent normallydistributed measurements withinwhichthemeanofthepopu-lationofinfinitemeasurements fromwhichthefinitesetwastaken;existstoastatedlevelofconfidence. Referring toTable6.5.1,thevalueKofthet-distribution, asdetermined fromthepointatwhichthecumulative dis-tribution ofthet-distribution hasthenormalized value~/2,definesatwosidedintervalaboutthemeanofo(nu)independent measurements theentirepopulation ofmeasurements existtoaconfidence of1n.Thet-distribution isnormalized suchthatitsmeaniszeroandthestandarddeviation isone.ThisallowsK(v,a)tobeapplieddirectlytothemean,x,andstandarddeviation s,ofanysampleUindependent measure-mentsrepresenting anormallydistributed population. Theconfidence limitsareexpressed asx+K(u,a)S.Intheapplication ofthisstatistical methodtotheleakratetest,theslopeoftheleast-squares line,b,isthe'mean'a/ue oftheleakrateandthevarianceofthe'mean',S,isgivenby:nS=E(W.-(bt.+a))bi=1nwhere,t=Et.l=lPage20 tI, Oh>>)Oa>>TABL~6,$,lDISTR!StTIOlSOFgO>>Sr>>caoffreeclocn KoK0.10Probabilicy o0.0$I0.0ll0.001I245678910II121314151617181920212223242526272829306012063142.920nM32.132XOI51.9431JL951.860IJU31.8'121.7961.782.1.771I7611.7531.746I7401.7341.7291.725.1.72l1.7171.7141.7111.708I.r061.7031.701I.&991.6971.6841.6711.6581.64512.70643053.1822.77655712.447236523062262222SLAI2.179~2.1602.14$2.1312.120'.1102.1012.0932.086%0802.0742.0692.06429602.056,2.0522.0482.0452.042'.0212.000I.980'.960 &3.6579.9255.8414.6044.0323.'7073.499335532505.1695.1063.0553.0122.9772,9472.921231982.S782.S612445"X$31ZSI923072.79757872.779Z.r7I2.763~2.756L7502.7042.&602.617Zi76636.619.31398IÃ9418.6106.859$.9595;4055.0414.78143874.43743184221'.1404.0734.0153.9653.922~3.88)~3.8503.8193.7923.7673.7453.7253.7073.6903.6743.6593.6463851.3.460)3733491icuamblcSiresthe>>aloesofccorresponding to>>ccsnus>>aloes o(theprooabiiicy o0>>eelofsilnifceancel ofarandomeaciablciaUin9cnscctecheshadedareasintheRlscre.foraci>>cnnumberofdryreesoffreedomraeaihblcforcheccticnacicm oferror.Foraonnudcdtcschcennfcdcncc0rnftsareobtaincd forocrihistablciscahcnfromiaoic illofFisherfsYaccscSccruoorf i>>kkcj>>rBi>>f>>fcrcf. Byn'cafe>>r>>f. >>M.Mrec&Erst>>rntoublashed byQliectBcBoydl'dEoinburSil bypermission oftheauthorsandpublishers'he above~~able'susedtodetermine theaporopriate valueof'K'ased onprevai3.'cg demeesoffreedom.Thistablehasbenez"racted "omBasicStatistical Methods:or=.~i.ers~cd,Scintists.IPage21 6.6Ofthetotalofnmeasurements (W.t.)onlyn-2areindependent sinceaandb,theslopeandinterchpt oftheleast-squares line,havingbeenderivedfromn(W.t.),canpredictanytwo(W.t.)withtheothern-2measuremeht3. Hence,v=n-2.11Thevalueofausedisthatwhichcorresponds toa90/two-sided confidence intervalwhichisequivalent toa1-a/2or95Ãone-sided interval. Thevalueofaistherefore 0.1.Now,theupperconfidence limitoftheleakrate,b,isexpressed as:b-K(n-2,O.1)=SbThenegativesigndefinestheupperlimitsincethevalueofbisnegative. TheLeakRateComuterProram'LRTEST'he leakratecomputerprogram,'LRTEST', hasreplacedearlierversionsofthetwoprogramsusedintheUnitIandUnit2preoperational test,knowas'CCVDREP'nd 'CCVREPT'. 'LRTEST'ncorporates therevisedstatistical analysisdiscussed inSection6.5andanaddeddegreeofflexibility thatitspredecessors lacked.'LRTEST'ccommodates theoperatorinputofcertain'fixed-data':thecalibration conversion andcorrection coefficients ofthepresentinstrumentation system,andthevolumeandtemperature weighingfactors., Thefixeddatarepresents thatwhichisfixedforthedurationofoneILRT,butwillvaryfromoneILRTtothenext.'LRTEST'eceives testdatafromacardreader.Therawtestdatacollected foreachtestintervaliscodedontoinputdatacodingsheetsandpunchedontocomputercards.Thedataincludesthedatarunnumber,theelapseddecimaltimefromrun81inhours,the46containment temperatures inmillivolts, sevenpressures (6containment, 1barometric) inpsia,anddewpointtemperatures inmillivolts. Thedatacardsareaccumulated inadeckintheorderoftherunnumbers.Theprogramestablishes afilefortherawdataandcomputesvaluesexpressed intheproperengineering units.Theprogramcomputestheaveragecompartment andcontainment pressures, thecontainment pressurerelativetoatmospheric, theweighedaveragecompartment temperatures, andtheaveragecompartment dewpointtemperatures. Fromtheaveragedewpoint,thevaporpressureiscalculated usingtheGoff-Gratch formulasforsaturation vaporpressureoverwateroroverice.Page22

Foreachrunofthecomputerprogram,therawinputdataandtheabovecomputedvaluesaresummarized forthemostrecentdatarun.Thisisavaluableaidtoinputdataerrorcheckingandanalysis. Also,attheoptionoftheprogramoperatorthissummarymaybeprintedforanoperator-specified rangeofrunsendingwiththelastdatarun.Aseparatesummaryofaveragecompartment pressures, temperatures andvaporpressures isalsoprintedforeitheralltherunsenteredintotheprogram,orforalltherunsinarangespecified bytheoperator. Theelapsedtimeprintedforboththeindividual runsummaries andtheoverallsummaryiscontrolled bythestartingpointoftherange.Afterthreedatarunshavebeenmadeorthreerunsareavailable intheuserspecified range,(aminimumofthreerunsisrequiredtoperformtheleast-squares andstatistical analysis) theprogramcalculates theleakrateand95%upperconfidence limitoftheleakrate.Inaddition, theprogramcalculates theremaining weightofthecontainment, andofeachcompartment. Theremaining weightsinacompartment 'c',isgivenbythefollowing: .P-PVcncncncnPPVcoTheindividual compartment remaining weightsareusedonlyasanaidtodatainterpretation. Acopyof'ILRTEST'ppears asSection7.0ofthisreport.TheprogramoutputsforthistestcanbefoundinSection8.0ofthisreport.Page23 7.0D.C.COOKNUCLEARPLANTCONTAINMENT INTEGRATED LEAKRATETESTPROGRAM'LRTEST'age24 e-HBR=ILRTEST ol/14/75LIB=>>%%%%%%% ANERICANELECTRZRSERVICECORPORATION COMPUTERAPPLICATIONS DIVISIO'.( SOURCELIBRARYOUTPUTol/28/8111.23.27PAGE0002-=-----QIBRARYjFEB5l98iRKCiKTVF100010000020000030000040000050000060000070000080000090000100000110000120000130000140000150000160000170000180030%302%303%304%305001900002000002100002200002300002400002500002600002700002800002900003000003100003200003300003400003500003600003?0000380000390000400000410000420000430000440000450000460000470000480000490000500000510000520000530000540000550030IMPLICITREAL>>8(A-H P-Z)REAL>>8K>LVPDIMENSION TEHPUC(16)<<TEMPLC(24)>TEHPZC(7) DIMENSION TEHPU(16)<<TEHPL(24) >TEHPI(7)DATALUC<<LLCtLIC/16 ~24>7/DIMENSION RTDLl(16) <<RTDL2(24) <<RTOL3(07) DATARTDL1/'ETR-101 ETR-102ETR-103ETR-104ETR105'>.--'ETR-106ETR-107ETR-108ETR-109ETR-110' ETRill~'TR112>ETRlltTR128<<ETR133>ETR113/DATARTOL2/'ETR-122 'ETR-123'ETR-124'ETR-125'ETR-126'TR-127TR-129TR-130'ETR-131TR-132'ETP.-134 'ETR-135'<<'ETR-136 '>'ETR-137 'ETR-138'TR-139TR-140TR-141TR-142TR-143t'ETR144ETR145ETR-146ETR-113'/DATARTDL3/'ETR-115 -'<<'ETR-116 '>'ETR-117 '>'ETR-118 '<<'ETR-119-'> 'ETR-120'>'ETR-121 '/DIHENSION MUC(99)<<MLC(99)tWZC(99)>M(99)>TINE(99) <<NRA(99)t-ATUC(99)>APUC(99) >AVPUC(99) >ATLC(99) >APLC(99) >AVPLC(99) >ATIC(99)>APZC(99) <<AVPIC(99)DIMENSION K(18)<<SR(70)>DP(6)<<LVP(6)>PRES(7)tPRESC'(7)<<VPR(6)DIMENSION WTUP(16)>WTLOM(24) >WTICE(7) >TABLE(97) DATATABLE/6~314<<2~920<<2~353>2132<<2~015<<l943>l895<<l860<<l833~-1.812>1.796>1.782>1.771>1.761>1.753>1.746>1.740>1.734<<1.729>1.725<< -1.721,1.717,1.714,1.711,1.708,1.706,1.703,1.701,1.699,1.697,1.695, -1694>l692>1691>l689tl688>1~687<<1~686>l685>1684>l683<<l682>1681>l680<<l679<<l679<<l678>l677>l676<<l676>l675>1675<<l674<<-1.673>1.673>1.672>1.672>1.671>1.671>1.671>1.670<<1.670<<1.669<<1.669<<-1.669<<3%1.668>3%1.667<<3%1.666>4%1.665>4%1.664>5%1.663>5%1.662>-5%1.661/ DATAMDUP<<MDLO>MDIC/ UPPER<<LOWER>ZCE/STARTOFPROGRAHI=1OLGIOO=DLOGZQ(1013.246DO) DLGO=OLOG10(6.107100) .MDEH=0.0READ(5<<300>ERR=22<<END=12) Cl>C2>C3>C4>C5>C6<<IXS>IXE<<IPR 0FORMAT(6F6 ~3<<4X<<13>?X>13>?X<<13) I-"2READ(5>301>ERR=22<<END=12). K1FORMAT(6F11.6/6F11.6/6F11.6) I"-3READ(5<<302<<ERR 22>END12)SKFORHAT(ZOF8.5/10F8.5/10F8.5/loF8.5/10F8.5/10F8.5/ZOF8.5) Z=4READ(5>303<<ERR 22<<END=12) MTUP<<MTLOMtMTZCE FORHAT(loF6.5/6F6.5/11F6.5/13F6.5/7F6.5) I==5READ(5>304>ERR 2'2>END-12) VWFltVWF2>VWF3 FORMAT(3F7.5) WRITE(6>305)Cl>C'2<<C3>C4>C5<<C6tK(l) tK(2)>K(3)>K(7)<<K(8)<<K(9)<<K(13)<<K(14)>K(15)<<K(4)~K(5)>K(6)<<K(10)<<K(ll)<<K(12)~K(16)tK(17)tK(18)>SRFORMAT(1Hl<<l4X>%%%THISISACHECKOFTHEINPUTDATA%%%////1H'RTD)1ILLI-VOLT TOFAHRENHEIT CONVERSION COEFFICIENTS'/lH >6X>UPPER>12X>LPO'OR>13X>ICE/1H>F5~2<<3X>F52>4X<<F5~2~3X<<%%ol/27/78%%02/02/78%%01/27/78------%%01/27/78%%01/27/78%%01/27/78%%01/27/78-=---%%01/27/78%%ol/27/78%%01/27/78%%01/27/78%%01/27/78%%01/27/78%%Ol/27/78==--%%01/27/78%%ol/27/78%%01/27/78%%ol/27/78%>>01/27/78==

---

=%%01/27/78%%05/23/78%%05/23/78%%05/23/78=--

--%%05/23/78%%05/23/78%%05/23/78>>>>05/23/78=-- ===--%%05/23/78%%05/23/g8%%01/27/78=%%=01/27/78 %%01/27/78%%ol/27/78%%01/27/78%>>02/22/78-===-=-.%%01/27/7802/22/78%% 02/22/78%%01/27/7801/27/78- %%01/27/78%%01/27/78%%Ol/27/78-===---.%%10/24/77%%01/27/78%%01/27/78%%10/18/77%%=01/27/78-02/02/78%%10/18/77%%01/27/78%>>Ol/27/78--

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=--%%ol/27/78%%10/18/77%%10/18/7710/1~77Paae25 R=ILRTEST 01/14/75LIB=<))))))))))))))

SOUR~NARYOUTPUT01/28/81, 11.23.27003005600005700005800005900006000006100006200006300006400006500ooeeoo006700ooesoo006900007000007100007200007300007400007500007600007700007800007900ODSDOO008100008200008300008400006500008600008700008800006900009000009100009200009300009400009500OD960000970000980000990001000001010001020001030001040001050001060001070001D600010900011000011100011200011300F5~2>4X>F52~3X>F5~2//Ii1H>HYGROtlETER t(ILLIVOLTTO'FAtlREt(HEIT COHVERSIOi( COEFFZCIEt(TS'/lH )T15>'UPPER-1' T48>>-=-----=LO)1ER1)T82>ICE1/1H)9(Flo5)1X)//1H)T15>UPPER2)T)8)'LO'HER-2')TG2)'ICE-2'/1H )9(F10.5)1X)////1H )'t(At(Ot(ETER PRESSURECORRECTICt( COEFFICIENTS'/T40) PU1/10(lX>F7 4)//1H~38X>PU2/1H)9(F74>>lX)>>F7~4//1H>38X>'PL1/1H>9(F7~4)lX)>F7.4//1H)38X)'PL-2'/1H )9(F7.4>lX) >F7.4//1H )36X)'PZ-1'/1H)9(F74>lX)~F74//1H~3SX>'PI2'/1H>9(F74>>lX)>F7)//1H>36X>>PATt1llH>9(F74>1X)~F74)WRITE(6>306)WTUP>WTLOW>WTZCE>VWF1>VWF2>VWF3 306FORHAT(lH-> 'RTDWEIGHTItlG FACT/?5'/jH >27X>'UPPER'/ZH >9(F5.4)lX)) F54/jH>5(F54>lX)>F54//1H">27X>LO>iER/1Hslo(F54~1X)>F54/lH>12(F54)1X)>F54//1H)28X>'CEI1H)6(F54>lX)>F54////1H>'VOLU11EWEIGHTING FACTORS'/1H >1X>UPPER>2X>'OWER'3X> 'ICE'/1H>2(F6.4)lX) >F6.4)IF(IXS.LE.O) ZXS=1IF(ZXE.LE.O) IXE=99902/22/78<)) IF(WTUP(16).LE.O.O) GOTO701-LLC=23GOTO702701LUC=15702NR"-0LZCP1=LIC+1LUCP1=LUCt1<CNRISSTORAGEINDEX>PROGRAtl DATAACCESSLOOPSTARTSHERE.)tDO20IR=199IBYP=0READ(5>>100>ERR=42>END=32) NRD>TZHER 100FOPt1AT(Z3,1X)F5.2) 02/22/78lE% %CINPUTSEQUEt(CE CHECK))%ZF(t(R.EQ.O.OR.HRD.GT.HRO) GOTO703WRITE(10)901)IR>t(RD%)f901FORilAT(1HO>2X,'ILR005IDINCORRECT DATASEQUENCE'2X>I2,2X,I3) 02/24/78<)) GOTO2332IF(IPR.HE.O) GOTO40IPR-"99GOTO55703HRO=t(RO=.=-.K%IF(t(RO.GT.ZXE) GOTO32ZF(t(RO.GE.IXS) GOTO705IBYP=1GOTO707705ZF(t(RO.EQ.ZXS) TZt(EST=TZtlERNR=NR+1TINE(ti)\ )=TIt(ERTlt(ESTttRA(t'iR) =HRD200FORHAT(lHl> 'RUNt(UHBER'4XsZ3/lH s'ELAPSEDTINE'2X>F5 ~2///1H~02/22/78))> 'COtlTAItli(EHT TEtlPERATURES DATACHECK'//1H >7X>'UPPER VOLUHE's21X>'LOWERVOLUHE')19X) 'ZCECONDEt(SER'llH )3X)'RTD'2X>'t1ILLI-VOLTS'2X) 'DEG~F-'7X)'RTD'2X>'HILLZ-VOLTS'2X>>- 'DEG.F.'7X)'RTD'2X>>'t)ILLI-VOLTS'2X> 'DEG.F.'707READ(5ilol>ERR=42 ~Et?D=62)TEtlPUC101FORtlAT(10(F5.2 1X)/6(F5.2 1X))READ(5)102ERR=42END=62)TEHPLC102FORMAT(jj(F5.2>>jX)/13(F5.2>jX)) READ(5>103>ERR=42>END=62) TEt1PIC103FORtlAT(7(F5.2,1X) )IF(ZBYPEQ1)GOTO4510/18/7701/27/7801/27/78Ol/27/7602/D2/7810/24/7710/24/7710/24/7710/24/77Ol/27/78=01/27/7610/18/7710/18/7710/18/77-- 10/18/7701/27/78o2/22/7e01/27/78= 01/27/7801/27/7801/27/7802/02/78=----.-01/27/7801/27/78Ol/27/78Ol/27/78- -=--01/27/7801/27/7802/22/7801/27/7802/09/78Ol/27/7802/24/7801/27/78=-===-ol/27/7e01/27/7801/27/7801/27/78=====-=01/27/7801/27/7801/27/7801/27/78-=-01/27/7802/02/7801/27/7801/27/7802/22/7810/18/7710/24/7710/16/77-=-=--==-10/le/7701/27/7810/18/7701/27/76-- 10/24/7701/27/7810/18/7701/2f78Page26 BR=ILRTEST 01/14/75LIB=NNNKmwxx SOBRARYOUTPUT01/28/8111.23.270005017200017300017400017500017600017700017800017900018000018100018200018300018400018500018500018700018800018900019000019100019200019300019400019500019600019700019800019900020000020100020200020300020400020500020600020700020800020900021000021100021200021300021400021500021600021700021800021900022000022100022200022300022400022500022600022700022800022900505FORMAT(1Ht32XtABt2XtF6.2t5XtF6.2) WRITE(6t507)TtlSMUCtTMSMLCtTMSMICtTMSMURtTt!SMLRtTMSMIR 507FORtlAT(1H-t17Xt'SUtl"IARY OFWEIGHTEDAVERAGETEMPERATURES'//1H -'UPPERVOLUtlE(DEG-F~)'F5.2t4Xt 'LOllERVOLU)1E(DEG.F~)F6~2ttXtICECONDENSER (DEG~F~)tF52/1HUPPERVOLUtlE(DEG~R)tF6~2t4XtLOWERVOLUME(DEG~R~)'=F72ttXtICECOtlDEt>SER (DEG~R~)tF72)ZF(ZFR.EQ.99) GOTO3545READ(5t509~ERR=42tEND=62) VPRltVPR2tVPR3tVPR4tVPR5tVPRbtPRES 509FORMAT(6F6.3/7F8.5)- IF(IBYP.EQil) GOTO20DP(1)=K(l)>VPRl<VPR1 +K(2)>VFRl +K(3)DP(2)=K(4)NVPR2NVPR2 +K(5)>VFR2 +K(6)DP(3)=K(7)>VFR3<VPR3 +K(8)KVPR3 +K(9)DP(4)=K(10)>VPR4>VPR4 +K(ll)<VPR4 +K(12)DP(5)=K(13)xVPR5xVPR5 +K(14)>VPR5 +K(15)DP(6)=K(16)<VPR6<VPR6 +K(17)<VPR6 +K(18).-DO403J=lt4ZF(DP(J).LE.0.0) GOTO403CIOOC=373.16/((DP(J)-32.)/1.8 +273.16)LVP(J)=-7.90298>(CIOOC -1.0)+5.02808>DLOG10(CIOOC) +DLGIOO-1.3816<(10M>(-7.0) )>(10<<(11.344<(1.0-1.0/CIOOC) )-1<<)t8.1328%(lOKW(-3 ~0))<(10>>(-3.49149<(CIOOC -1.0))-l.)403COtlTZNUE DO50J=5t6=-ZF(DP(J).LE.O.O) GOTO50COC=273.16/((DP(J)-32.0)/1.8 +273.16)LVP(J)=-9.09718<(COC-1.0) -3.56654ttDLOG10(COC) >0.876793%( 1.0-1.0/COC)+DLGO50CONTI'/EDO404KAY=lt6IF(DP(KAY).LE.O.O) GOTO404VPR(KAY)=0.0145038<10>>LVP(KAY) 404COHTIHUECHECKFORMISSIHGVAPORPRESSUREANDCALCULATE AVERAGE.IF(DP(1).LE.0.0) GOTO713IF(DP(2).GT.O.O) GOTO715VPAUC=VPR(1)VFR(2)=0.0GOTO717713VPAUC=VPR(2)VPR(l)=0.0GOTO717715VPAUC=0.5<(VPR(l) +VPR(2))717IF(DP(3).LE.0.0) GOTO719IF(DP(4).GT.0.0) GOTO721VPALC=VPR(3)VPR(4)=0.0GOTO723719VPALC=VPR(4)VFR(3)=0.0GOTO723721VPALC=0.5<(VPR(3) tVPR(4))723IF(DP(5).LE.O.O) GOTO725IF(DP(6)GT.0.0)GOTO727VPAIC=VPR(5)VFR(6)=0.0GOTO72901/27/7802/02/7802/02/7802/02/7802/02/7802/02/7802/02/7801/27/7801/27/7801/27/78--=-.01/27/7801/27/7801/27/7801/27/7801/27/'78 01/27/7801/27/7801/27/'78 =-01/27/7801/27/7801/27/je01/27/78-==-=-- ==01/27/7801/27/7801/27/78f01/27/7801/27/7802/02/7801/27/7801/27/78=--=-01/27/7801/27/7801/27/7801/27/78------01/27/7801/27/7801/27/7801/27/78-=--==01/27/7801/'27/78 01/27/7801/27/78---01/27/7801/27/7801/27/7801/27/'78-01/27/7801/27/7801/27/7801/27/78--=01/27/7801/27/7801/27/7801/27/78---=-=-01/27/7801/27/7801/27/'78 01/27/78=-==-=--==Paae28 I rBR=ILRTEST Ol/14/75LIB-"wwwwwwwe SOURQRARYOUTPUT01/28/8111.23.27il0060230000231000232000233000234000235000236000237000238000239000240000241000242000243000244000245000246000247000248000249000250000251000252000253000254000255000256000257000258000259000260000261000262000263000264>00026500026600026700026800026900027000027100027200027300027400027500027600027700027800027900028000028100028200028300028400028500028600028700725VPAIC=VPR(6)VPR(5)=0.0GOTO729727VPAIC=0.5<(VFR(5) +VPR(6))LXtlEARItlTERPOLATIOtl FORPRESSURES. 729DO405tl=l>70)10 HX=MtlNR=tl>9tlY=((M-1)/10)+1 PRDG=PRES(MY)ZF(FRDG.EQ.O.O) GOTO408DO406tl=Hl>t(2>2 IF(FRDG.LT.SR(tl)) GDTO406IF(PRDG.EQ.SR(tl) )GOTO731IF(H.EQ.tll) GOTO444PRESC(MY)"-SR(tl-1)+ (FRDG-SR(N) )w(SR(H-3)-SR(N-I) )/(SR(N-2)-SR(H) )GOTO405<406COitlTINUE ='K%444V/RITE(10~407)NRD)MY>PRDG OR/22/78<> 407FORilAT(T2) KK))MANOMETER READItlGOFFCALIBRATZOH>>< )RX)I3)RX) 02/22/78<> -ZR>F9.4)02/22/78<> 408PRESC(MY) "-0.0GOTO405731PRESC(MY) =SR(H-1)<405COtlTINUE >CAVERAGItlG PRESSURES ALLOMZtlG FORZEROENTRY.PRESCU=0.5<(PRESC(l) +PRESC(2))FRESCL=0.5w(PRESC(3) +PRESC(4)) PRESCZ"-0.5))(PRESC(5) tFRESC(6)) ZF(PRESC(1).LE.O.O.OR.FRESC(2).LE.O.O) PRESCU=2.0<PRESCU -=--=-..IF(PRESC(3).LE.O.O.OR.PRESC(4) ~LE.O.O)PRESCL=R.OKPRESCL IF(PRESC(5).LE.O.O.OR.PRESC(6).LE.O.O) PRESCI=2.0>PRESCZ ACPA=(PRESCUOPRESCLIPRESCZ)/3 ACPG=ACPA-FRESC(7) ==)EKIF(IPR.EQ.O.OR.IPR.GT.HPD) GOTO74735VRITE(6)508)VPRl)DP(1) >VPR(l))PRES(1)>PRESC(1) >VPRR)DP(2) )VPR(2))PRES(2) >PRESC(2) >VPR3>DP(3) >VPR(3))PRES(3)>PRESC(3)>VFR4>DP(4) >VPR(4)>PRES(4)>PRESC(4) >VPR5>DP(5))VPR(5))PRES(5)>PRESC'(5) ~VPR6)DP(6 ))VPR(6))PRES(6))PRESC(6) )PRES(7)>PRESC(7) ~VPAUC)VPALC>FRESCU)VPAXC)PRESCL)PRESCI)ACPA>ACPG 508FORMAT(1H,llX,~COtlTAItlMEtlT VAPORPRESSUREDATACHECK',T83, 'COtlTAXt(MENT PRESSURES DATACHECK'//1H >19X)t'1ZLLI-SX'DENPOItlT'4X) VAPORPRESSURE'30X) 'Ut(CORRECTED'7X> CORRECTED /1H~RX>'HYGROiMETER )SX>VOLTS~8X>(DEGF)>7X>(PSIA)>23X>MAtlOMETER >RX>READXNG(PSIA)>RX>READIHG(PSXA)/1H)5X)'VPU1>10X>F52>10X)F5~2)9X>F7~4)25X>PU12(SX>F74)/T7>VPU2~2'(10X>FS2)~9X)F7~4>T83)PU2)2(8X>F7~4)/T7)VPL1~2(10X)F52)>9X>F74)T83~PL1)2(8X)F7~4)/T7>'VPL-2'2(lOX>F5 2))9X>F74)T83>'PL-2')2(SX)F7 4)/T7)VPI1)2(lOX>F5 ~2)>9X>F7~4>T83>PI1)2(8X)F74)/T7~VPI2)2(10X)F5~2))9X>F7~4>T83)'PI2>2(8X)F74)/T83~At(BIEtlT )T95)F74)8X>F74/XH)T24>AVERAGEVAPORPRESSURES -T86>'SUtlMARY OFCORRECTED AVERAGEPRESSURES'/ -1H>T17>'UPPERCONTAItltlEtlT (PSIA)'T47>F7.4/ -1H>T17>'ONERCONTAINMEtlT (PSIA)'T47>F7.4)TS1>-.'AVERAGEUPPERPRSSURE(PSIA)'>T120>F7.4/lH >T17>Page2901/27/7801/27/78-01/27/78Ol/27/78Ol/27/7801/27/78=-==--=10/20/7710/20/7710/20/7701/27/78=-= 02/09/7810/20/7701/27/7801/27/7801/27/7801/27/7810/20/7710/20/77-02/22/7802/22/7802/22/7802/09/78-=-=-=- --*01/27/7801/27/7810/20/7701/27/78= ---01/27/7801/27/7801/27/78Ol/27/7801/27/7801/27/7810/20/7710/20/77---01/R7/7801/27/7801/27/7801/27/78= 01/27/7801/R7/7801/27/7802/02/78==----01/27/7810/21/7710/21/7710/21/77= 10/21/7710/24/7701/27/7801/27/78. 01/27/7801/27/7801/27/7802/02/78= =-02/02/7802/02/7801/27/7801/27j78---=-

SR=ZLRTEST 01/14/75LIB=>>>>>>>>>>Nues>> SOURRARYOUTPUT01/28/8111.23.27007028800028900029000029100029200029300029400029500029600029700029800029900030000030100030200030300030400030500030600030700030800030900031000031100031200031300031400031500031600031700031800031900032000032100032200032300032400032500032600032700032800032900033000033100033200033300033400033500033600033700033800033900034000034100034200034300034400034500ICECOiNDEtlSER (PSIA)>T47>F74>T81>AVERAGELOWERPRESSURE(PSIA)>>T120>F7~4/T81>AVERAGEICECOt(DENSER PRESSURE(PSIA)>T120>--F7.4/T81, 'AVERAGECONTAINMENT PRESSURE(PSIA)',T120,F7.4/Tel, AVERAGECOslTAXtll'IENT PRESSURE(PSIG)>T120>F74)ZF(IPR.EQ.99) GOTO40CALCULATE NORNALIZED WEIGHTFRACTIONS> STOREWITHPRESSURES ~=--=-747WUCt(UN=(FRESCU-VPAUC)/THStlUR WLCtlUN=(PRESCL-VPALC)/TNStlLR WXCHUN=(PRESCI-VPAIC)/THStlIR MNUH=VWF1>>>ltUCNUN +VMF2NWLCHUN +VWF3%WICNUN -%>fIF(MDEt1.GT.O.O) GOTO749WUCDEN=WUCNUi1WLCDEN=WLCtlUN%KWICDEN-"WXCt(UHVDEN=VtiUtlK%749WUC(tlR)=WUCtlUN/VUCDEN 01/27/7801/27/78---01/27/7801/27/7801/'27/78 01/27/78--

---

01/27/7801/27/7801/27/7801/27/78==

-=02/22/7801/27/7801/27/7801/27/78-01/'27/78 01/27/78WLC(NR)=WLCtiUN/WLCDEN WIC(t(R)=WICt(UN/M ICOENW(HR)=WNUN/WDEH ATUC(HR)"-TtlStlUCATLC(HR)=THSNLC3f%02/02/7802/02/7802/02/78-= ATIC(NR)TH-HICAPUC(HR)=PRESCUAPLC(HR)=PRESCL02/02/7802/02/7802/02/78APZC(tlR)=PRESCX-AVPUC(hR) =VPAUC---%K02/02/78. -==-02/02/7801/27/7801/27/78-=--AVPXC(tlR) =VPAICCot(TItiVE 20WRITE(10>903)903FORllAT(1HO>2X>'ZLR006I0<w>>>DATASPACEEXCEEDED>>>ww>) 02/24/78<w GOTO23ENDOFFILEANDOTHERERRORNESSAGES12WRITE(10>904)I904FORHAT(1HO>2X>ILR002I0<>ENDOFDATAZHSYSTENGROUP>02/24/78<< I2>2X>'x>>>>') 02/24/78%% 23VPITE(10>905)905FOPtlAT(1H>2X>'ZLR008Z0tt>WABHORNAL RUHTERNIHATZON<>>Ht' ---02/24/78<> GOTO2422WRITE(10>906)I906FORHAT(1HO~2X>'ZLR001ID<>>>READERRORIHSYSTENDATAGROUP'02/24/78<< -X2>2X>) ---====-02/24/78% KGOTO23%If42WRITE(10>907)NRD907FORMAT(1HO>2X>ILR003I0<>>READERRORIHTESTGROUP>I3>2X><>)02/24/78<> GOTO23=Klf62li'RITE(10>90S)NRDf908FORNAT(1HO>>2X>'ZLR004ID>>>>ENDOFDATAZNTESTGROUP'I3>'>>)02/24/78ll>>l GOTO23RESULTPORTIOHOFPROGRAM40IF(HR.GE.3) GOTO41K>>>VPZTE(10>909)%K909FORtlAT(1HO>2X>ILR007ZD<l>>LESSTHAN3TESTPOINTSNOREDATAHE02/24/78ll< -EDED<w') 02/24/78K'O TO23%3441TSS-"TINE(1)xTINE(1)+TINE(2)NTINE(2)TS=TINE(1)+TItlE(2)T2SW=TINE(l)>>>W(1) +TINE(2)NW(2) o2r24/7e01/27/7801/27/7801/27/7802/24/7802/24/7801/27/7802/24/78---01/27/7801/27/7802/24/7802/24/7801/27/7801/27/7802/24/7801/27/78==--01/27/7802/24/7801/27/7801/27/'78 01/27/7801/27/7802/24/7802/24r7e01/27/7801/27/7801/'27/78 01/27/78--.=.-AVPLC(t(R) =VPALC<<OR/02/78Page30

R=ILRTEST 01/14/75LIB=>><wwNwxw SOURRARYOUTPUT01/28/8111.23.27oo>034600034700034800034900035000035100035200035300035400035500035600035700035800035900036000036100036200036300036400036500036600036700036800036900037000037100037200037300037400037500037600037700037800037900038000038100038200038300038400038500038600038700038800038900039000039100039200039300039400039500039600039700039800039900040000040100201FORMAT(lHl>4SX> 'SUMMARYOFAVERAGES'///1H >2X>>'RUNIt'2X>'ELAPSED>2X>3(34HAVG TEtlPAVGPRESSAVGVPRESS)/lH>10X>TINE'6X>UPPER'6X>'UPPER'7X> UPPER>6X>'LOWER'6X> 'LOWER'7X> 'LOWER'7X> Z-CE'BX>'ICE'9X>'ICE'/)DO43I=1>HR43WRITE(9>202)HRA(I)>TIME(I)~ATUC(I)~APUC(I)>AVPUC(I)>ATLC(I)>APLC(I)~AVPLC(I)>ATIC(I)>APIC(I)>AVPIC(I)202FOR)'IAT(1H>2X>Z3>4X>F6.2>2X>3(F9.4>2X>F9-4 ~3X~F9-4>2X)JVRITE(9,205)205FORtIAT(lH1>34X> 'RESULTSOFTHELINEARREGRESSZOH ANALYSIS'/// -1H>2X>'RUHit'>SX>'W'>llX>'LEAKAGE RATE'>9X>'LEAKAGE'>9X> WUPPER>7X>'WLOWER>9X>WICE/1H>10X>'EXPERIMENTAL ~-6X>'UPPERLItfIT'llX>'RATE'SX>'CONTAZHMEtiT'>3X> 'COtiTAItitlEtiT'5X> 'CONDENSER'/) REGRESSZOH LOOPDO44Z=3>HRTSS=TSS+TINE(I)%TINE(Z) TS=TS+TIt'IE(Z) WS=WS+M(Z)T2SW=T25W+TINE(I)I>M(I) ARUM=TSS<WS-TS<T2SWXHRR=IADEN=XHRR<TSS-TS<TSA=AtmM/ADEN .3fttBt(UM=Xt(RRNT2SW -TS>WSB"-SHUN/ADEtl II=IWSUil=0.0SUMOFSQUAREDDIFFERENCES DO46L=l>ZIWLR=Ai8<TINE(L) 3f%IF(DABS(W(L)-MLR).LE.1.0D-39) GOTO46-VSUtl=WSUtl+(W(L)-MLR)<(M(L)-MLR) COtiTItiUE AT=TS/Xt(RRTOT=AT%ATDO48tl=2>ZI48TOT=TOT+(TIME(N)-AT)I>(TINE(N)-AT) B=2400.0MBEKK=TABLE(ZI-2) SIGMAB=DSQRT(WSUN/(TOT<(XHRR-2.0) ))DEL=EKK<SIGMAB+2400.0 BU=B-DEL20644V>RITE(9>206)HRA(II)>W(ZZ)>BU>B>llUC(IZ) >WLC(ZZ)>WIG(ZZ)-=-.==)It(FORtIAT(T4>Z3>5X>F9.5>2(9X ~F9.5)>7X>F9.5>SX>F9 '>6X>F9.5) COHTItIUE %CEHDOFREGRESSION LOOPWRZTE(9>203)B>A203FORMAT(IHO 21X'FINALLEAKAGERATE(%PERDAY)='9.55X'INTERCE-PT='>F9.5) I'RZTE(9,204)BU204FORMAT(1HO>21X>'PPERCOHFIDEtiCE LIMITFORTHERATEIS>F95)24CALLEXITEHD01/27/7801/27/7802/'02/78 02/02/7801/27/7801/27/7801/27/7801/27/78=-01/27/7801/27/7805/23/7805/23/7805/23/7801/27/'78 01/27/7801/'27/78-01/27/7801/27/7801/27/7801/27/7801/27/7801/27/7801/27/7801/27/78==- ===01/27/7801/27/7801/27/7801/27/78-..==.01/27/7801/27/7801/27/7801/27/78==- =----01/27/7801/27/7801/27/7801/27/78-.-.-01/27/7802/02/7801/27/7801/27/78=01/27/7801/27/7805/23/7805/23/7805/23/7801/27/7801/27/7801/27/?801/27/7801/27/7805/23/7805/23/7801/27/78WS=W(l)+W(2)%%01/27/78WRITE(9>201)=-=-==-%%01/27/78-=----=--Paqe31

8.0 DataAnalsisandSummaries

Thissectionofthereportcontainsgraphical analysisofdataobtainedduringtheconductoftheILRT.The'ILRTEST'rogram summaries ofaveragecontainment temperatures, pressures, andvaporpressures, andleakratecalculations appearinSection8.2ofthisreport.Pasttestexperience hasshownthattheinstrumentation packageusedforthis'estisquitecapableofmeasuring theleakrateaccurately, asevidenced bytherapidconvergence ofthe95Ãupperconfidence limitoftheleakrateandtheexcellent correlation ofresultsbetweenthe'TypeA'ndtheSupplemental Test.Theerroranalysisfortheinstrumentation systempredicts+0.0195wt/day,andthistestcorrelates wellwithinthatinterval. 8.1GrahicalAnalsisFigure'8.1.1isaplotofcontainment weightremaining vs.timefortheTypeATest,theslopeoftheleast-squares lineisthecalculated leakrate.Asecondlineisdrawnusingtheverticalintercept oftheleast-squares lineandaslopecorresponding tothe955upperconfidence limitleakage.Alinecorresponding totheallowable leakrate(0.75L)isalsoshowntoillustrate therelatively widemargin5ywhichtheleakagecriterion wasmet.Figure8.1.2isaplotofthecontainment weightremaining vs.timefortheSupplemental Test.Theslopeoftheleast-squareslineisthecomposite leakagerate(L).Usingtheverticalintercept ofthisleast-squares line,twoadditional linesaredrawncorresponding totheSupplemental Testcorrelation limits[(L+L+.25L)>L>(L+L-.25L0].Page32 4I.f>ik Itoooook.~<<t-I44JI~D.CICooKPcrrurVivre2'/RT,/Ay/'78/Tr<E8'@srCavrwurrzur WesterRe~wevs.7i~r'08-k-!JO!O0088iI10499/"!0PMEJ9lrAK'-II'~00Co/vrrortacs';', .RArr000LrwsrSovt9zrs4'J'reTwasR'rsr.78'099)DO/0IEECSWun7ine-h'49'oPage33 1I 4!li)O4~144+41O.C.CoOAPSAAIr.UkITcZ'I,RT,.PATI'IBI!SurrZenana>P. riSI!COPITAIAlnEP7 LVEIGkQEftAIIJIIIJI'4 VS.7IIIII4j.!JJJig440[->==PPtl14,44~oE/M(MIISSIITAJ~4!x~0V4'4-.1PLEnEA(ThCoZASJ!44I-,4'4,'4IO/8'ZuerwcaXuia's .,Page34 'fIy 8.2'LRTEST'ro ramSummaries D.C.CookUnit2,Integrated LeakRateTestApril30-May4,19818.4.1FixedProramInformation ~Pae8.4.2Pressurization Runs1P-25PSummaryofAverages8.4.3Stabilization Runs1S-31ASummaryofAveragesPreliminary LeakRateAnalysis8.4.4'TypeA'estRuns1T-49TSummaryofAveragesTypeALeakRateAnalysis8.4.5Supplemental TestRuns1Su-13SuSummaryof'verages Supplemental LeakRateAnalysisPage35 THISISACHLCV,OFT>(jIHOIJTl)ATAPTnHILLI-vOLI I(>I'Af<<F<>><f. ITCn)!vhvslow COFfFtelj)IIS<J>.PF.>> LO'4FI'CF.?.nn.<).<>2.oon.o?.oun.u>>YorO>>fIF>>>>ILI.I-VOLT TOFn><<IF~HE,IT COWVI:><SIO <COf:FfIcftNTS>>I>>i>>P-ILOWt>(-In,r!1<.unnOO32.(>OAnn n.nOO>)51.9bhol0.04nl?ICL-II>I.AOAOA l?.unnOOn.npi<>rr.>~-7I~,nr>n0u32.0n0no0~nI.O<>I'.>r 20~00~0r>~0I<:F.-2If>ooouou 37normo~>!'hr>PI; Tf.<()><>tS<(I>'fCOH>>LCTI(>><toFFFICIF.NTSIV-Iln.Ann<>3<>.llan77.000027.IS602>>.soon?6.64<026Vnnn?6.1530?S.nn<>n7>.1490I>II-73(.~Anno3'9~4<>60?1~norm35~54302(>~Rnnu34~>:>?1026~OOA(>34~235075~Annol?~<)7.'joPl.-Iln.Anno29.>'r>I<'7.noun 76.82(n2<..anno26.330026.norm25.>>3;In 75.Anon74.)>420PI-2lo.onno?9.><.2427.noun?6.97on2<,.sono76.4rno26.unnu?s.974n2s.Anno74.9750P1-1ln~Anno3(>Shl<I7/000('7~<'>?02(~Snou76>>lbu26~OOOO76~4700?5~On<>n?54490P1-279(><3079~T9ln?IOoI)?7~<>03A?r~48507>~4>'bn260030?6~0020?5~<>Aln7N~AO30P-ATM??.30<>n44.656A19.<>?n<> 3<>.r>040 14.66()u20.7140I?.49no74.93909.<>><onI>>.f>>I>(o PTO>'f16HTl><OrACT<>ASUI>II'<>~r>67><I)<I~u>>31A831A<>r00960~0960~A>>60~0296~I'?'96.A?nr.0296.AI<r).OIO>.nl67.0>I3IO>>/I~0415~0415~<>41'>I>41~nlni~02d4~ASH6~<>>>><(>~A26hU'&<6I<>31.Inaf.1037.IA3I.Osor>.On>)2.n24<.(>1<>5.nlr<<;.>2>9.<)719.(>7r.r>.<<4?lICF.r730.073n.u7<>6.070<.?23I.779<.~?094>rnl,(I'~F ><I;1n<>Tl<>vf>>CT<)>~IIPPI<>I.<>I>FI'CI7~014>~I~(>Ann>>~46>7Page36 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SUMMARYOFESRUN0ELAPSEQTIMEAVGTEMPUPPERAVGPRFS5UPPF.RAVGVPRESSAVGTEMPAVGPRFSSAVGVPRESSAVGTEMPUPPER..LOWER..-LOWFR--==LOWFH---= ICEAVC>>PRES5ICEAVGVPRF:SSICE~I12367891011lz130~00F50I~001.50F00250F003.50F00F505.00S.bn6.00654948265921165'95665.965665'30465893365.P82865.904265.902565'30465.924265.~zee65'55726~781326'81726>>7778?6'78326775726I75326.f72326.771426'68826766726'667?64I65426'6240'7050>>07080~0708n.nvoo..00703=0~07050.07050'7080.07050~0705007050'7030~069569.666469'47869.esl869635769'39269.e41e69609169'1216'9.5984695950694594869.584269'94026'726ze.vvee26'691ze.veoe26.7671ze.veee26'6312676?I26'61626'59026'590?64757026'5400~06390~0641-o.Oele0~0623=0'6230'6240.06220.0624o.nezs0'6270'62So.nbzs0'62617'456175942174451717454e173863.17'786173872174472317'71117.422417414317.2215174447026'78126'78126'74626'75126'72126.771626~768126'67626'66126.763726'62226'6222676070'3270.03310'3350403030'3060.03180.03210.03220.03170'3240'3220~03270~032944>>lX1'(It4C>>Page42 I' RUNEXPE.RIMENTAL RESULTSOFTHELINEAPRE.ONANALYSISLEAKAGERATELEAKAGEwUPPERWLOwERwICEUPPERLIMIT,...RATE=CONTAINMENT =CONTAINMENT .CONOENSER It34567810ll12130.999980'99950'99910'99920'99820'99730.999680'99570'99580'99590'9940-I~39701-0'0246-0'8909-0.21488-0.22165-0+25223-0'6284-0'8690-0'80170'6445-0'8030-0'5509-0'0993-0~14493-0.12636=Oe15421-0'8959-0F21035-0'3688-0.23981-0'2956-0'46310'99960'99870'99830'99880'99790'99700'99620999490'99500'99460.999320'9998IF000000999910'99880+99982=...0.999760'99770'99670999680'99610'9949I~00003I~00017I~00019lo000140'99980'99780'99750'99730'99701.000080'99SS..~1~FINALLEAKAGE.RATEl%PFROAY)=-0~24631INTERCFPT= I~00009UPPERCONFIOENCE LIMITFORTHERATEIS-0~28030Pane43

9.0LocalLeakTestProram9.1PastTestResultsSummarLocalleaktestshavebeenconducted periodically onUnit2inaccordance withguidelines specified in10CFR50AppendixJ,theFSAR,andthePlantTechnical Specifications. Testingisperformed underplantprocedure 12THP4030STP.203,'TypeBandCLeakRateTest'.Theprogramconsistsof'TypeB'estsdesignedtodetermine leakagethroughthecontainment electrical andpipepenetrations, airlockdoorsealsandoverallairlockleakage,and'ypeC'estsdesignedtodetermine leakagethroughcontainment isolation valves.Table9.1.1summarizes thetestresultsforTypeBandCtestingperformed sincetheUnit2Preoperational test.Theleakagedetection instrumentation usedintheconductofthe'TypeBandC'estsiscertified, traceable toNBS,andcalibrated prior'tothetests.Theinstruments consistof4calibratedflowmeters,ofdifferent ranges,connected inparallel. Atestisperformed byisolating atestvolumeboundbythecontainment isolation barriersunderexamination. Thetestvolumeispressurized to12.0psig.Aregulator intheairsupplylinetotheleakratemonitormaintains thetestvolumepressureat12.0psigwhiletheflowmeters measuretheairflowrequiredtomaintainthispressure. Thisflowisequivalent totheleakageoutofthetestvolume.Exacttestpressureandtemperature isrecordedandusedtoconvertthemeasuredleakagetostandardconditions. Table9.1.1TeBandCTestResultsSummarLeakageExpresseasFractionofL)TestDateAllowable TypeB0.147TypeC0.443TypeB8C0.6May1979Dec.1979May19810.00330.00410.01160.12610.20900.16330.1290.2130.175Table9.1.2showsthevalveswhichwerefoundtoleakinexcessoftheguideline leakageduringthetwoprevioussurveillance tests,May-June1979andOctober-December1979.Thevalvesmarkedwithanasterisk(*)werealsofoundtoexhibitexcessive leakageduringthemostrecentsurveillance, May1981.(See,alsoTable9.1.3).Table9..1.4liststhosevalveswhichwererepaired, duringtheMay1981surveillance, andalsogivesashortsynopsisoftherepair.Page44 Itshouldbenotedthattheguideline leakageisnotanacceptance criteria.ItisstrictlyaguidefortheTestEngineertouseindetermining whetherrepairsshouldbemade.Seventeen ofthethirty-eight valveswhichfailedtheTypeCtestwerefoundintheNon-Essential ServiceWaterSystem(NSW).Threeofthesevalves(checkvalvesNSW-415-1, NSW-417-1, NSW-244-1) havefailedthetwoprevioussurveillance tests,while9othercheckvalvesfailedthelasttest.Threeofthesevenairoperatedvalvefailureswererepeatsfromtheprevioustest.Thecheckvalveswererepairedbycleaningtheseatingsurfacesandreplacing thegaskets.Ifthecheckvalvehadaneopreneseat,theentirevalvewasreplaced. Theairoperatedvalveswererepairedbycleaningandlappingtheseatingsurfaces. Theothergroupofvalvesfoundleakingaboveguideline valuestheContainment Purgevalves.Thevalvesinthisgroupwhichfailedwere:VCR-1018VCR-201Instr.Rm.SupplyVCR-1028VCR-202Instr.Rm.ExhaustVCR-1045VCR-204LowerCont.ExhaustITheInstrument RoomSupplyandtheLowerContainment ExhaustPurgeValveshavefailedtheprevioustwotestswhiletheInstrument RoomExhaustPurgeValvesfailedforthefirsttimein1981.Allofthesevalveswererepairedbycleaningtheneopreneseal,andthenlubricating withDow-Corning SiliconeIII.WhenVCR-104andVCR-204weretestedaftertheabovementioned repair,theleakagewasstillexcessive (27,000SCCt1).Abeadwasthenweldedtotheedgeofthevalveflappertoincreasethetightness oftheneoprenesealwhenthevalvewasclosed.ThisrepairreducedtheleakageinVCR-104andVCR-204to50SCCH.Page45 Table9.1.2ValvesAsFoundsccmAsLeft~sccmMay-June1979LeakageAsFound~sccmAsLeft~sccmOct.-Dec. 1979LeakageNSW-415-1 NSW-415-3 NSW-415-4 NSW-419-2 NS-19-3NSW-419-4 NSW-244-1 NSW-244-2 5000Passed5000681PassedTesteAasnstWCR-930TestedAainstWCR-9345000.0Passed39,90014,00046,00024,00047,00047,0005,00037,00071862150764220NS-244-3NS-44-4NS-417-450002000PassedPassed14,00037,0008,00040,0002191001000CR-930CR-934CR-967WCR-901500050002000PassedPassedTestedAainstNSW-419-4 Passed7400*WCR-909(CR-921WCR-933CR-9515000PassedPassedPassed8,000170005000240005618125137*WCR-952WCR-954*WCR-958WCR-961*VCR-101VCR-201VCR-103VCR-203PassedPassedPassedPassedPassed2000TestedAainstVCR-203600044140002400040025,000PassedPassed325TestedAainstWCR-95410000TestedAainstVCR-201VCR-104TestedAainstVCR-204TestedAainstVCR-204~VCR-204VCR-1056000301TestedAainstVCR-205410003000PassedCR-05ECR-18ECR-28CS-442-1SI-18920002472Passedasse5000105PassedTested38PassedainstECR-28SM-1N-102VCR-10VCR-115000360PassedTestedAainstVCR-114959975500PassedPassedPassed500VCR-20VCR-21N-160TestedAgainstVCR-21290.Passed1300Passedasse520Page46 ~~I~~~~~~I'II'I'I'eI'III'lII~e~~IIIIII-~'.IIII'I~I~I~-~'.~e~~~~~-~'I~-~'.IIIIIII~~~~~I~IIe~'eel~~ 4 Table9.1.3-TypeCFailures-May1981~~IAULLNudtVALVt.b------------ OItill.I.fA<<AGLINf.XCfSS..~)t<fLfAKAGfVOLUtILDfSC>>IP)IONLfA<tAGfGutufI.Ir<F.ISCCHILLAInrif.ASfQU<<DISCCHILfAICAbfASLf.tItSCCHICI.VIIISW-415" IAt<DMelt-903CVN-I'I<2lCUVINSM".<<lo-I ANDMelt-.922 CI'II-.2b cuv4NSW-,I)-4 ANDMCtt-')34 CIN-ehltCI'NSM-24<<-IAt<0'MCI<-945 CVtt-26IICPIMCII-95IANDMelt.-.955.,CI!tt:26 ltcl'Nsw-2444ANDwet<-')hll cPN-uhIICV4WCR-954ANI)MCII-95uCI'N-uhCLV.2NSM-.<<l5"2 At<D.MCA=9OD. CPN=i.'2CLV3NSW-hl5-3 ANDMCII-9lICPtt-23CLV3MCN-')U') AttuASCII-')I0CI'N-23CUV2.r<SM-hl9-.2 ANDMCI<=926. Cl'N=27.... CUV3NSW-4I9-3ANUMCI<-')30 CI'N-u5CUV3WCI'I-929 At<0Wert-93)CVN-45IICI'NSM-2!<9-2 ANDMCII-.')46 CI'tt-.27 NCI'WCI<-952ANDWCII-')56 CON-27INSII<~i<Hat.A'SItlSM-4l7-h<MCN-963 CPN-73IttslltoI'IM.MLSIt<SW-.OI7;3<MCII-967 CPtt=73Ir<STII.I<H.Iul<GfSUPI<LYVert-tut,aal INSIII.I<H.fA>>AUST'CII-I02,iu2 IIUIIGflLowfltPut<<iftl<tlVCll..lao ~204CPN.63Itft.lffvl.vt:.<loo.Iovltrsl-luucl'lt-I5All<IAIII/I<AU GASHO>>lJul<St<"ICVN-3l4<la,UU2000+00360.00i2ooo,uo360~00.............t.. 2000~00360.UO360F002000~UU2000F00../20.00......... >..2000,0U, I20,002000.00720.00,+2000F00400.00:.....t2000F00,400F00i2000.0U400,00>2000.uo3boF00.....C,2000F00360F002000.UU240qua+20UU~Uo.240.00....}.20UO.UU.l6UUF004470blleuU.UOi<<0000.00 ......-..3600~00Ii'.0~0060.00...>r<oooa.ou. <<UI~672340~Uu720.0029')43.55 ..<<uu.ao.....)502.uh0~0.35.la2u')0~I60~u)0.050~0239,320~00+0ISl.23I.996.2<<6<<,rlu0'Ooo0~Ua.o0+024tl<<20<<o6)49.77hut,e72340ou.N-.ZAt<Dvt.rtlIIDIIFul<IICD1NIDU<DCII=2UI,.......,-'......... I2000......v2000.0U.AUPage48

(,Table9.1.3Continued -;IAt)Lt.NU4tVALVESSIIOMlttG LEAKAGEINCxcfssUII)It,GUIUELINf.I.EAKAIif. VOLUHCOCSCH)PIIOII,.LCAKAGt...,....,. LEAKAGt:GIIIOELIt)EASFOUNDISCCHIISCCH)I.faKnGE..... ASLEFIISCCH))<littIlf.CINCILtICH305CPN45I)CIUFLIN)iCAVeOIIAlttSF-l59~l60CPN-42CLVANOCUVOIIAIN)ID)IOCII-62U162)Cf'N-3lEUNIsut)PIoIIUI~5oct)-600e60l cl'N-4IIUIIU~00l390F00)360F00>2000F00l20F00l290~70360+00...,...,740~59...,0'.740.5').l390F000~0ItCUISAHI'Lt'. NCII-I00eI0ICI'N"0IalttI'nul/Itnu GasHut)lionEctl-33cPN-3l60F00l40l~32I401o32..:60~00.......... II9'9..... II9~8$AIHI'nttl/Ital) GASHutttC)l-Jl)32 CPN-32CUNAIIIluCut)1~AC)I)02tI03CPN=29I20IOO,3303~I2l20~00...=...399~25...3303'2.399'5tt"2IOI'AlIiCft-30IUOltONINJ~ICH-250CPN-74CPN"4445.0nl)9.712tn.oo>40000.00 I)9+7799.62LC)tIOCI'NCOII.S2e5CC)t-243-25 CPN-25CC>t10Cl'tICOILS2s5CC)I-244-25 CPN-25CC)t'IOCI'NCOILS3~4CCII-244-72 CPII-7260.00.6000I009~57007~6660+00IOO)o700.0Own250'7CCMFIIOHCEI)-ICCH-43lCCwIOCtt)-2CCI~-n32CC)tFAOHCEO-2CCII-433CPI~-25CPN-12CPtt-1290F0090,00l24.76I19~6690,00...>.?000.00 Oen0,00~0Page49 Table9.1.4LeakRatesofContainment Isolation Valves,andCorrective ActionsTakenValveNSW-415-1 NSW-419-1 NSW-419-4 NSW-244-1 WCR-951WCR-948WCR-958NSW-415-2 NSW-415-3 WCR-909NSW-419-2 NSW-419-3 WCR-929NSW-244-2 WCR-952NSW-417-4 NSW-417-3 AsFound~SCCM30,000.01,500.02,000.02,000.02,000.02,000.02,000.02,000.02,000.02,000.02,000.02,000.02;000.02,000.02,000.02,000.02,000.0Page50AsLeft~SCCM0.035.02100.00.010.00.0240.00.00.0650.02000.065.00.00.00.00.00.0Corrective ActionReplaceddisc,replacedgaskets(SJO-07592-4)Cleanedseatingsurface(SJO-07592-1)Cleanedvalve,replacedgaskets(SJO-07592-12) Cleanseat,replacegaskets(SJO-07592-13) Lapseats.replacedgaskets(SJO-07592-14) Lappedseat,replacedgaskets(SJO-07592-16) Lappedseat(SJO-07592-17, 39)Lappedseats,replacedgaskets,disc(SJO-07592-9,45)Replacedvalve(SJO-07592-3,40)Cleaned5replacedgaskets(SJO-07592-2)Replacedvalve(SJO-07592-5,41)Replacedvalve(SJO-07592-6)Lapseats,replacedgaskets(SJO-07592-7)Replacedvalve(SJO-07592-10) Cleanedvalve(SJO-07592-11) Lapped,replacedgaskets(SJO-07592-33, 48)Lappedseat,replacedgaskets(SJO-07592-32) ' Table9.1.4Continued ValveAsFound~SCCMAsLeft~SCCMCorrective ActionVCR-101,2014,500.0VCR-102,20240,000.0VCR-104,20440,000.025.0205.050.0Cleanedinternals, tubedwithSilicone111(SJO-07592-42) Cleaned,lubedsealwithSilicone11(SJO-07592-49) WeldedS.S.tovalvesoitwouldseatagainsttheneopreneseal(SJO-07592-43) SM-1N-160DCR-620DCR-621SF-159ECR-33ECR-31,33CCW-243-25 CCW-244-25 CCW-244-72 CCM-431CCM-432CCM-433NSW-244-4 2,340.12,000.0~1,300.01,300.02,000.01,400.03,300.01,000.0800.01,800.02,000.0125.0180.02,000.02340.00.0TestedAgainstDCR-6210.00.01400.03300.00.00.0250.00.00.00.00.0Cancelled (SJO-07592-31) Lappedseatandcleaned(SJO-07592-46Cleaned,bluedseat(SJO-07592-24) Cleanedandbluedseat(SJO-07592-25, 50)Replaceddiaphragm (SJO-07592-27) Cancelled (SJO-07592-28) Cancelled (SJO-07592-29) Replacedseats(SJO-07592-22) Replacedseats(SJO-08592-23) Installed newdisc,lappedseat(SJO-08592-21) Lappedseat,cleaned(SJO-08592-18) Lappedseat,cleaned(SJO-08592-19) Lappedseat,cleaned(SJO-07592-20) Replacedvalve(SJO-08592-15) Page51

Table9.1.4Continued ValveCTS-131-W AsFound~SCCM15.491CCMAsLeft~SCCM0.0CCMCorrective ActionCleaned,bluedseat(SJO-07592-34) CTS-131-E 3.853CCM0.861CCNCleaned,bluedseat(SJO-07592-36) ICN-25040,000.00.0Lappedseat(SJO-07592-51) Page52

9.2Hay1981LeakTestResults0,C~COOKNUCARPLANTUNITNO~2TYPE"8"AND"C"LEAKRA)ETFSTOFCONTAINMENT ISOLATION VALVESDURINGAPRL1981OUTAGETY)E."8"DATAINFORMATION TtSTVOLUHECOHPLtTED TESTVOLUHFSOESCRIPTIONGUIDELINE LEAKAGECORRECTEO LEAKAGETRIALNOWHENVOLUHEPASSED12345710PERSONNEL AIRLOCKS612'L~CPN-N/APERSONNEL AIRLOCKS650'L~CPN-N/AZONE3PENETRATIONSltttCTf?ICAL) CPN-N/AZONE4PENETRATIONS(HECHANICAI )CPN-N/ABLINDFLANGE-FUEL TRANS)'tR CPN-IBLINDFLANGE-PLANT AIRTOCONTCPN-29BLINDFLANGE-ICE, LOADING.CPN-57BL'INDFLANGE-ICE LOADINGCPN-BOERBLINDFLANGE;-FLUX THHBLtHANDLECPN76BLINDFLANGE-SPARE(UNIT 2ONLY)CPN-67551105511'1173.0)173+0120001200.0480'720'960'240'58~0I~00'171.7850.00'0'120+I74'0'IIIIIII1IIPage53 o~+"4~~o~" D~I:~COOKNUCLEARPLANTeUNITNOTYPE"8"AND"C"LEAKRAIETESTOFCONTAINMENT ISOLATION VALVESDURINGAPRL1981OUTAGETYI'F."C"DATAINFORMATION TESTVOLUME,OESCRlPIIONCOMPLETED TESTVOLUMESGUIOELINE1.EAKAGECORRECTEO LEAKAGF.TRIALNO'WHENVOLUMEPASSED12345e7891011121314151617181920?I2223242526272829.30313233343536373839404143CLV1NSW-415-1 ANDWCH-903CPN-17~21CLVIWCR901ANDWCR-'902CPN-17UZICLV4NSW-415-4 ANOWCH-915CPN-sOi24CLV4WCR-913ANDWCH-9145CPN-ZQ)24. CUV1NSW-419-1 ANOWCH-9?ZCPN-26CUQIWCR-921ANUWCH-923CPN-Z6CUV4NSW-419-4 ANDWCH-934CPN-84CUV4WCR-933ANI)WCR-935CPN84RCPINSW-244-1 ANOWCH-945CPN-26RCP1WCR-951ANOWCH-'955CPN-26Rcp4Nsw-244-4 ANDwcH-94HcpN-84RCP4WCR-954AMI)WCH-958CPN-84CLV2NSW-415-2 ANDWCH-906CPN-22CLV2WCR-905ANDWCH-907CPN2?CLV3NSW-415-3 ANDWCH"911CPN-23CLV3WCR-909ANI)WCH-910CPN-23CUV2NSW419-2ANOWCH-926CPN-27CUV2WCR-925ANI)WCH-927CPN-27CUV3NSW-419-3 ANDWCH930CPN-85CUV3WCR-929ANDWCH-931CPN-85Hcp2Nsw-244-z ANDwcH-946cpN-27RcP2'wcR-952ANDwcH-956cPN-27Rcp3Nsw-z44-3 ANDwcH-947cpN-BsRCP3WCR-953ANOWCH-957CPN-85INSTR~RH~EASTNSW-411-4 WCR-963CPN-73.INSTR'M~EASTwcR-961~WCH-962 CPN-73INSTR'H,WFSTNSW-417-3iWCH-967 CPN-73INSTR.RH.WESTWCR-965~WCH-966 CPN-73.INSTR'HPURGESUPPLYVCH-101F201INSTR'HEXHAUSTVCH-102~?02IPUHGE)LOWERPURGESUPPLYVCH-103'03CPN64LOWERPIIRGEEX'CR-104t204 CPN-63UPPERPURGESUPPLYVCH)05ti05CPN59UPPERPIIRGEEXHVCH-lob206CPN60PRESS~RELIEFPU>eEVCH-10I~207CPN-65HYn~RETURNLINEtCH-lotZO CPN95HYDESAMPLEECR-11F21CPN-95MY'AMPLEECf)-IZ~ZZCPM95HYD.SA~~LEECR-I3.23 CPN-95HYn.saMpLEECR-14.24 cpN-93HYD~SAMPIEECRlent25CPN95Hvo.5AMpLEEcR-le.26 cpN-93HYO~SAMPLEECR)7+27CPN937?0~0720'720'720'480'480'480'480'360'.360'360'360',7?0'720.0720+0720'480'480'480'480'360'360'36Q~0360'.240'240'240'240'leBO.Oleoo.o2880io3600.03600oo2880'1440'eo.oeo.oeo.o60'eo.o60'eo~0eo.o0~0.350+3149+40~035'99'2090'99'0'.10~00~0239'..0~0.185.20+0651+21996.20~064~9=0~00'Oio0~00.00'Oeo0'90'24'204F679549'124.2794'0'0'48'Qio0~039'0'0~00~02I1I2I2I222331323I32213I2I2Page54 4o"~"DCDCOOKNUCLEARPLANT~UNITNP2~o<<>>~oooTYPE"8"ANO"C"LEAKRn(ETES)OrCONTAINMENT ISOLATION VALVESDURINGAPRL1981OUTAGETYPE'C"DATAINFORMATION TESTVOLUHEOFSCRIP'(ION COMPLETED TESTVOLUMESGUIOELINELEAKAGECORRECTEO LEAKAGETRIALNOWHENVOLUHF.PASSED44454e474849505152535455sesr585960ele26364esee67e869707172737475767778798081828384858eHYO~SAMPLEECR-Jr)~28CPN-93HYO~SAMPLEECH-IVAN29CPN"93HCP-ISEALWATERCS-442-1CPN-11RCP-4SEALWATFHCS-442-4CPN-14RCP-2SEALWATFPCS-442-2CPN-12RCP-3SEALWATFP.CS-442-3CPN-13RELIEFVLVE.HDR.ToPHT.S1-189CPN-ISAIRPART/RADGASHONITOHSH"ICPN-31N-2TOACCUHULATOHS N102CPN-32N-?TOPRTN159CPN-74PRIMARY'WATERTOPHTPW"275CPN-33CHGTOREGENHEATEX's-321CPN-35DEADWEIGHTCnLI8.Nlx-151-Vl CPN-30GLYCOLSUPP(YVCH-10~llCPN-86GLYCOLRETURNVCH-20y2i CPN-56N-2ANDVENTHDRl'ORHCUTUCR-203e207 N-2ANDVENTHORFORHCUTN160~OCH-201ICF.CONDAHUDRAINHUHUCR-610'11CLVANUCUVDRAINHOHU(H-620'21CPN-31RCDTORAI)lHDHOCH-205rcve CPN-40CONTSUMPTOHUT'SOCH-600bolCPN-41RCSLETDOWNOCR-300CPN-34HCPSFALWATERRElURNOCH-250350CPN-37RHRHECIRC~E'CM-305CPN-45RH(rRECIRC>W'CM-306 CPN-46pwFDHRxcnvscHow209(212) .2lo(21llREFUELING H20RXCAVSFISI(152)rl53(154) REFUFLING CAV~DRAIN5)'-159eleo CPN42HOTLEGsAMPLESNCH-Iobiloe CPN-eePHFSSLloSAMPLE.NCR-107.108 CPN-eeSTEAHSAHPLENCR-109~llvCPN-eeRcoTsnMpLERGR-)vo.loi cpN-81PHTsAMP(EDcR-202i204 cPN-81ACCUHSAHPLESICP-5~6CPN-81AIHPAHT/HAOGASMONITOHECH-33CPN-31'N~SIPPOISCHeICM"26VCPN-43(68) 'S'IPPOISCHICM-265CPN-68(43) AIRPAHT/HAOGASMONtcH-31~32CPN-32CONAIRTOCONT~XCR-100~101CPN-74CONAIHTOCONT~XCH-IOZe)OJ CPN-29N-2TOPRTGCH-301CPN-74N-2TOACCUMULATORS SV-101'CR-314SITESTLINESIIll~I/2t194CPN3260'60'120'120'120.0120'120.0eo.o60'45'1800180'30'480'480'120'120'300'120'480'3600120'480'1080.01080'120.0300'360'eo.o60060'60'60'eo.oeo.o240'240'120'120'120'45F060.0270'26.719F80025.420'30+5401~9-.=--2340.10~00~0Ioo2eo.e0~00~00~025'0~010.00~0.....0~0'748~60~0sory01390'105~0=-.--0'0'000'0~00'119+90~00~01401'0'49'3303.10'399'119'0~00'Page55 DECDCOOKNUCLFARPLANTeUNITNo+2>>O4oooooTYPE"8"ANO"C"LEAKRATETESTOFCONTAINMENT ISOLATION VALVESOUHINGAPHL1981OUTAGETYPE"C"OATAINFORMATION COMPLETED TESTVOLUMFSTESTVOLUMEOESCRIPTIONGUIOELINECORRECTEO LFAKAGELEAKAGETRIAINOWHENVOLUMEPASSEO87888990919293949596979899100101102103104105106107108109110lllll?113114115116117118119PWTOPRTNCR-252CPN-33CCWFORHCPOILCLHSCCM-452'54t458CCWFOHRCPOILCLHSCCM-4bli453t459 CCWFOREXCESSLUMXCCH-46046ZCPN-75CCWFOHRXSUPPOHISCCH457~CCW-135CCWFORHXSUPPORTSCCH-4bb~456 CPN-82GRABSAMrLESM-4~6CPN-92'CONTPRESSAD8ISOLPPP-300CPN-94CONTPRESSAiBISOLPPP301"6N-92CONTPRFSSAiBISOLPPP-302CPN-91CONTPHFSSA8ISOLPPP-30JCPN-96CONTPFFSSALARMPPA-310311CPN-97CONTVHFSSALARMPPA-312'1JCPN-98BORONINJeICM-?50CPN"44BORONIN'CM-?51 CPN-44WELOCHANtlELPRESSCA-181SCPN-83wELOCHANNELPRESSCA-181NCPN-83GRABSAMPLESM-8+10CPN-89CCWTOCPNCOII.SZe5CCw-243-25 CPN-25CCWTOCPNCOILS2'CCW-244-25 CPN-25CCWTOCPNCOILS3'CCW-243-72 CPN-72CCwTOCPNCOILS3e4CCW-244-72 CPN-72CCWTOCEO-ICCM-430CPN-25CCWFROMCFO-ICCM-431CPN-25CCWFHOMCPNCOILS2~5CCH-440CPN-25CCWTOCEO-2CC<-432CPN"72CCWFHOMCEO-2CCM-433CPN-72CC'WFROMCPNCOILS3e4CCH-441CPN-72GLYCOLSUPPLYEXP'-Ibetl'~9 CPN-86GLYCOLRETURNEXP'-Ibl)158 CPN-56POSTACCIOENTSAMPLINGRETUHNCPN-67POSTACCIOFNTSAMPLINGSUPPLYCPN-67POSTACCIOENTSAMPLINGH-II/IZCPN-3218001200'1200'360'240'240060'ooo0'0'000~0.0~0-240~0240'30'30'eo.o60'60'eo.o60'90F090'90090'90'90'eo.oeo.o30'30'eo.o139~779~699'1197159~7109'74'.0'0~00'0'0'.49~8-..99~60~00'0~05'0'.0~00'250.50'000~00'0~035.00~00~024'90'0'Page56 0~C~COOKNUCLEAPIANT~UNITNP~2++++++++4+ TYPE"8"ANO"C"LEAKPAlETESTOtCONTAINHENT ISOLATION VALVESOURINGAPRL1981OUTAGECONTAINMENT SPRAYCHECKVALVFSCHECKVALVE,STARTTIMEFINISHIIHFSTARTELEVATIONFINISHELEVATION LEAKRATETOPASSLEAKRATEACTUALDATETESTEOSUPPLEMtNTAL JOBVROUW,RCTS-127E. CTS-127WCTS"131ECTS-1318CTS-131WCTS-131W12-'l12:ll12:119:012:ll9:016:I)16'-ll16:1113:016:11IO:0634F000634~OOV640.000640~OOV640F000640~OOU634F000633'90639'06640F000639'22639'7921'1022'50F000F0003'303'30-0~0-0i2373'530'15'9108613-?73-273-274-203-274-203634Page57 DC~COOKNUCLE.ARPLANT~UNITNOTYPE"8"ANO"C"LEAKRATF.TESTOFCONTAINMENT ISOLATION VALVESDURINGAPRL1981OUTAGELEAKRATF.SUHHARV SCCHLAIYPEs>8nTYPF."C"1275.6S19423.070'116.0+1762TOTAL20698F7101878COHPLLTIONRATE,SUHHARY TOTALTESTEDINITIALLY-129FAILEO"30PASSED-99TOTALRETESTEO-30FAILEO-0PASSED-30OUTOF129VOLUHESTOTFST~0STILLHAVETO8E'TESTEDOVERALLCOHPLETIONRATE.IS100F00'5Page58

10.0REFERENCES

10.1DonaldC.CookNuclearPlantFinalSafetyAnalysisReport10.1.1InitialLeakageRateTestingofContainment Section5.2.110.1.2Containment LeakageTestProgramQuestion5.93,AppendixQContainment Integrated LeakRate(TypeA)TestingQuestion022.14,AppendixQ(Unit2)10.1.4LocalLeakRate(TypeBandC)TestingQuestion022.15,AppendixQ(Unit2)10.2DonaldC.CookNuclearPlantUnitNo.1Technical Specifications 10.2.1Containment Systems-Containment LeakageSpecifications: 3.6.1.2Surveillance Requirements: 4.6.1.210.2.2Containment Systems-Containment AirLocksSpecifications: 3.6.1.3Surveillance Requirements: 4.6.1.310.3AmericanNationalStandards Institute (ANSI)10.3.1ANSN45.4-1972 'LeakageRateTestingofContainment Structures forNuclearReactors'0.3.2 ANSN274DraftNo.1,'Containment SystemLeakageTestingRequirements'0.4 CodeofFederalRegulations, 10CFR50AppendixJ,'PrimaryReactorContainment LeakageTestingforWater-Cooled PowerReactors. 10.5DonaldC.CookPlant,Unit2'ReactorContainment BuildingIntegrated LeakRateTest(Preoperational) TestReport'.10.6DonaldC.-CookPlantSurveillance TestProcedures 10.6.112THP4030STP.202,'ntegrated LeakRateTest'0.6.2 12THP4030STP.203,'TypeBandCLeakRateTest'0.6.3 12THP4030STP.204,'Personnel AirLockLeakageTest'age59 g,.tI0 Attachment No.1toAEP:NRC:00500E Additional Ini'ormation onHydrogenMitigation andControlDonaldC.CookNuclearPlantUnitNos.'and2.Supplement toAEP:NRC:00500C

1.0 Distributed

InitionSstemDISInstrument RoomIsolation Ourreviewofthecommunication pathsbetweentheinstrument roomandthelowervolumesubcompartments hasrevealedthatlimitedcommunication existsthroughseveralsmallopeningsandanumberofpipesleeveswhicharenotsealed.Therefore, theDISdesigndescribed inAttachment No.2'oourAEP:NRC:00500A letterhasbeenmodifiedtoincludetwo'additional igniters(onepertrain)intheinstrument room.Thesetwoadditional igniterswillbeinstalled ~,}nUnit1duringthecurrentrefueling outageandinUnit2duringthenexticeweighingsurveillance shutdown(late1981)(SeeSection3.0belowforadiscussion ofClasixresults). Thus,theCookPlantDISwillemployatotalofseventy(70)ignitersperUnit.1.2DISTechnical Secifications,

2.0 ProposedTechnical

Specification Table3.6-1A,submitted byourAEP:NRC:00500C letterdatedMay29,1981,hasbeenmodifiedtoreflecttheadditionoftwoigniters(onepertrain)intheinstrument room.Revisedpagesreflecting thischangeforeachUnitoftheCookPlantarecontained inAttachment No.4.IceCondenser Insulation sTheicecondensers inCookUnits1and2areverysimilartothoseinMcGuireandSequoyah-. ,However,, insteadofpolyurethane foam,fiber-glassencapsulated inpolyethylene bagsis'mployed intheCookUnitsforinsulation purposes. Theinsulation is'ocated betweenthecon-tainmentwallandthecranewallandtheairhandlingducts,andiscoveredbygalvanized steelsheetswithjointsbetweenpanelssealedtopreventvaporpenetration. Fiberglass exhibitsverystablematerialcharacteristics evenathightemperatures. Existingdataindicatethatfiberglass beginsto'soften(1) atabout1350oF,andthatsignificant decomposition isnotexpectedexceptatmuchhighertemperatures. Theothercomponent whichmakesuptheinsulation assemblies ispolyethylene sheets.Thethickness ofthesesheetsisabout6mils.Reviewofexistingliterature onthethermophysical properties ofpolyethylene showsthat.significant degradation (greaterthanafewperceptperhour)hasbeenobservedattemperatures inexcessof700oF<).Theenergycontentofpolyethylene isreportedtobeabout1.3x104BTU(3f P~J~At1I0 Recentanalysisperformed fortheCookUnitsusingthemodifiedCLASIXcodepredictsupperplenumtemperatures ofapproximately 1100oFforshortdurations (seeAttachment No.2).Burnsintheupperplenumexistfornomorethan10seconds.Theshortestintervalbetweenburnsisapproximately 60seconds.TheCooktemperature profileoftheupperplenumgenerated byCLASIXissimilartothatofSequoyah. UsingtheCLASIXresultsattheupperplenumastemperature inputs,TVAhascalculated theheat-uprateofequipment, suchasigniterassemblyboxandcablewithinconduits,intheregionandfoundthattheinsidesurfacetemperature ofthemetalcasingdoesnotexceed270oF.Therefore, itisreasonable tobelievethat,duetothesimilarity betweenth'etransient temperature inputdataforCookandSequoyah, theresultsobtainedbyTVAcanbeusedasagoodapproximation fortheinsidesurfacetemperature ofthegalvanized steelcoverontheinsulation. Giventheseconditions attheupperplenum,theinsulation behindthesteelcoversisnotexpectedtobeexposedtotemperatures whichmightleadtosub-stantialamountofpolyethylene degradation. Calculation oftheenergycontentforallthepolyethylene intheupperplenumrevealsthattherewouldbeabout7x106BTUre-leasedintothecontainment evenintheunlikelyeventofitscompletedecomposition. Thisamountofenergyis.lessthanfortypercentoftheenergycalculated byDukePowerforthe'ntermediate deckdoorsandislessthantenpercentoftheenergygenerated fromhydrogencombustion foratypicalCLASIXanalysis.Moreover, basedontheheattransfercalculations performed oninsulation heat-upintheice-bedregionbyDukePowerfortheMcGuirePlant,thetemperature ofthesurfaceadjacenttotheinsulation isestimated tobeabout370oF.Duetothesimilarconfiguration oftheCookandMcGuireicecondensers, theheattransferresultsreportedbyDukeareapplicable toCook.Hence,thepolyethylene intheice-bedregionoftheicecondenser isnotlikelytoexperience substantial degradation underthesepredicted conditions. Therefore, despitethefactthatadifferent typeofinsulation isusedattheCookicecondensers, itappearsthatthepotential impactofinsulation degradation onthecontainment issimilartothatofMcGuireandSequoyah.

3.0 CLASIXCodeResultsAttachment

No.2tothissubmittal containsthepreliminary resultsofaCook-specific CLASIXanalysisutilizing passiveheatsinks,afanflow/head curveandaseparatenodalvolumerepresentation ~IV@I (p~I.oftheicecondenser upperplenum.Thisanalysisindicates thatthepeakpressureduetohydrogencombustion remainsbelowthecontainment designpressure. Asexpected, nocombustion

occurred, intheuppervolume,thefan/accumula'tor rooms,or'hedead-ended volume.Atotalofthirtyseven(37)burnsarepredicted; seveni.nthelowervolumeandthirtyintheupperplenum.Slightlylessthanonemillionpoundsoficeremainatthecompletion ofthetransient.

4.0 Containment

AirRecirculation/ droenSkimmer(HYS)FansVTheresultsoftheCLASIXanalysismentioned inSection3.0indicatethatmaximumdifferential pressurebetweenthefan/accumulator roomanduppervolume'of 2.5psi;withthehigherpressureexistingintheuppervolume.Inthecours'eofourinvestigation ofthefansurvivabi lity,'ehaveidentified apotential failure'echanism duetothepossibledevelopment ofadifferential pressureacrossthe'fanhousingwhentheuppercompartment pressureisgreaterthanthefan/accumulator roompressure. Insuchcasethefanhousingcouldcollapse. l<eareinvestigating variousmodifications totheHYSfanswhichwouldeliminate thisconcernandwillreporttoyouonthescheduleforthecompletion oftheselectedmodifications inalatersubmittal.

References:

(1)Baumeister,.T., etal,'Standard HandbookforMechanical Engineers,'cGraw-Hill (2)Madorsky, S.,'ThermalDegradation ofOrganicPolymers,'nterscience, 1964(3)Tewarson, A.,etal,'Categorization ofCableFlammability,'PRI ReportNP-1200,Part1,1979(4)'Resolution ofEquipment Survivability IssuesfortheSequoyahNuclearPlant,'VA, May1981 I~o<g4I Attachment No.2toAEP:NRC:00500E Additional Information onHydrogenMitigation andControlDonaldC.CookNuclearPlantUnitNos.Iand2CLASIXCodeAnalysis ~-l%,~i TABLE1CookCLASIXInputMARCHReactorCoolantMassandEnergyReleaseRatesS2DSuenceTime(seconds) 0.021722478318038044428475257006012696070627206.,H20MassReleaseRate(1bn/sec) 197.2190.544.8553.5334.8221.4048.4219.4214.075.2534.7184.060H20EnergyReleaseRate(Btu/sec)1.167x101.097x105.230x106.547x104.262x102.842x105.558x102.182x1041.583x105.989x105.388x104.693x10 Il TABLE2.CookCLASIXInputMARCHHydrogenGeneration RatesandTemperatures S2DSuenceTime(seconds) 0.03480380441164428475257006330664869608070HMassReleaseRate(1hn/sec) 0.00.00.04130.2600.7401.070.4300.2230.1600.1170.0367H2Temperature (F)6161671582795771612555535519519 I'kVe TABLE3CookCIASIXInputMARCHFissionProductEnergyReleaseRatesS2DSeuenceTime(seconds) 0.0381041164428475253767080EnergyReleaseRate(Btu/sec) 0.00.018034800670870007135 Il,I0 TABLE4CookCLASIXInputBurnParameters LowerCompartmentIceCondenser LowerPlenumIceCondenser UpperPlenumUpperCompartment DeadEndedFAN/ACCRegionRoomsHydrogen7FforIgnitionVHydrogen/FforPropagation HydrogenFractionBurnedMinimumOxygenPFforIgnitionMinimaOxygenPFtoSupportCombustion 0.080.080.850.050.00.080.080.850.050.00.080.080.850.050.00.080.080.850.050.00.080.080.850.050.00.080.080.850.050.0BurnTime(sec)*13*Basedonaflamespeedof6ft/sec. TABLE5CookCLASIXInputComrtmentInitialConditions Volume(ft)3Temperature (F)02pressure(psia)N2pressure(psia)H20pressure(psia)LowerCompartment249/6811103.1411.670.19IceCondenser LowerPlenum24700323.1811.810.OQIceCondenser UpperPlenum47010323.1811.810.UpperCompartment 681283753.1711.770.06DeadEndedRegion61105983.1611.710.13FAN/ACCRooms548281103.1411.670.19 TABLE6CookCLASIXInputFlowPathParameters MinimumFlowArea(ft)LC-LPLP-UPUP-UPUC-LCDE-LCF/A-LC******224030'lowLossCoefficient 2.053.041.451.54.24.2BurnPropagation DelayTime(sec)*0*Basedonaflamespeedof6ft/sec.**Function ofdooropening. TABLE7CookCLASIXInputIceBedParameters Parameter InitialIceMassInitialIceHeatTransferAreaHeatofFusionofIceFlowLossCoefficient InitialNetFreeGasVolumeValue2.37x10ibm2.93x10ft248Btu/ibm~0.4286780ft*Includes 150Btu/ibmactualheatoffusionplus98Btu/ibmtoraiseicecondenser draintemperature from32Fto130F. TABLE8CookCLASIXInputIceCondenser DoorParameters LowerInletDoorsMaximunOpeningAngleMinimumDifferential PressureforMaximumOpeningMaximumFlowAreaBypassFlowArea550.0069psi990ftIntermediate DeckCoorsMaximumOpeningAngleNinimumDifferential PressureforMaximumOpeningMaximumFlowAreaBypassFlowArea895.5psi1326ft20ftTopDeckDoorsMaximumOpeningAngleMinimumDifferential PressureforMaximumOpeningMaximumFlowareaBypassFlowAreaMinimumDifferential PressuretoInitiateDoorOpening891.15psi2040ft20ft0.005psi TABLE9CookCIASIXInputAirReturnFan/HdrenSkimmerSstemParameters Parameter NumberofTrainsInitiation TimeFlowFractions perTrainUC-F/ALC-F/ADE-F/AFlowRateHead(inH20)Value0.95690.03590.0024FlowRatePerTrain(cfm)0.01.02.03.04.04.55.06.06.56.86.96.95.305.054.754.454.153.973.803.423.102.501.600.0x104x104x104x10x104x104x104x1044x10x1044x10*Initiated 10minutesafterthecontainment reaches3.0psigpressure. TABEZ10CookCIASIXInputSraSstemParameters Parameter DropDiameter(in)DropFallTimeFlowRategpn0.027610.6640005.751.681800528F/A0.02760.0276Temperature (F)DropFilmCoefficient (Btu/hrftF)Initiation Timesec125201252012520*Initiated 30secondsafterthecontainment reaches3.0psigpressure. P~0 TABLEllCookCLASIXInputComrtmentDendentPassiveHeatSinkParameters Parameter Temperature LowerCompartmentIceCondenser LowerPlenumIceCondenser UpperPlenumUpperCompartment DeadEndedRegionFan/Accumulator RoomsValue110F15F75F98F110FRadiantHeatTransferBeamLeng&LowerCompartment IceCondenser LowerPlenumIceCondenser .UpperPlenumUpperCompartment DeadEndedRegionFan/Accumulator Rooms25.0ft8.5ft8.5ft59.0ft8.5ft8.5ft*SeeTable15. TABLE12CookCIASIXInputMaterialDendentPassiveHeatSinkParameters Parameter MaterialValueEmmissivity* ConcreteCarbonSteelPaintStainless Steel0.90.90.90.4ThermalConductivit+ (Btu/hrftF)Volumetric HeatCapacity* (Btu/ftF)PaintonSteel(UC"PaintonSteel(LC,DE,F/A$gP)PaintonConcreteConcreteCarbonSteelStainless Steel~~nton~oAc.<Q&< PaintonSteel(UC)PaintonSteel(LC,DE<F/AQVf)PaintonConcreteConcreteCarbonSteelStainless Steel0.210.220.0870.8427.39.87g.8+29.814.729.830.259.259.2erExitHeatTransferCoefficient* PainttoSteelorConcrete(Btu/hrftF)2ConcretetoConcreteConor~tcQeSteelSteeltoConcrete'teeltoSteelLastLayerAdiabatic Wall1010IO10100*Seeindividual lowerplenumwalldatainTable15.~6lQ)tlpug~pp~~een~iderMi~ipwiS'<<~+>~"+cozz~c~cz en~i.&~edvs~pguava r~ TABLE13CookCLASIXInputUrComrtmentPassiveHeatSinksCLASIXWallNumber'escription InitialWallTemperature Surface2(F)Area(ft)LayerNumberNumberofNodesLayerMaterialLayerThickness (ft)7575260862151210215PaintCarbonsteelConcreteConcretePaintCarbonsteel0.0010.0311.890.0010.0375755284595225126323010PaintCarbonsteelConcreteConcreteConcretePaintCarbonsteelConcrete0.0010.05111.50.0010.060.83757535025433315~8123ConcreteCarbonsteelConcreteConcreteConcrete0.150.030.63754381128ConcreteConcrete11.53 0 TABLE14CookCIASIXInputLowerComrtmentPassiveHeatSinksCLASIXWallNumberDescription InitialWallTemperature Surface2(F)Area(ft)LayerNumberNumberofNodesLayerMaterialLayerThickness (ft)11054012215PaintS.steel0.0010.0310121101101101105953224gR304k797212312345230It)215126212321263PaintS.steelCD~~$gPaintS.steelConcreteConcreteConcretePaintConcreteConcretePaintConcreteConcreteConcrete0.0010.06a.Rp0.0010.03112.050.001GVV0.001111.61 lp TABLE15CookCIASIXInputIceCondenser LowerPlenumPassiveHeatSinksC[ASIXInitialWallWallTemperature Surface2LayerNumber(F)Area(ft)NumberNumberofNodesLayerMaterialLayerThickness (ft)LayerConductivity (Btu/hrftF)LayerHeatCapacity(Btq/ftF)LayerHeatHeatTransfer(Btu/hrftF)138019100531insulation steel10.06250.1526.02.7556.40.70.0148013055512insulation 1concrete10.20.83.66328.80.70.01515paintconcrete.000833.330.08330.828.428.8100.0 'Il't!eI TABLE16CookCIASIXInputIceCondenser UrPlenumPassiveHeatSinksCLASIXWallNumberDescription InitialWallTemperature Surface2LayerNumber(F)Area(ft)NumberofNodesLayerMaterialLayerThickness (ft)161594531232~/5lGlnpaint0.001carbonsteel%-.66-0-OQIQ-Of3s~)o4o4 I TABLE17CookCLASIXInputDeadEndedRionPassiveHeatSinksCLASIXWallNumberDescription InitialWallTemperature Surface2(F)Area(ft)LayerNumberNumberofNodesLayerMaterialLayerThickness (ft)179865902251263paintcarbonsteelconcreteconcreteconcrete0.0010.05111.51898167892123paintconcreteconcrete0.0011 TABLE18CookCLASIXInputFan/Accumulator RoomsPassiveHeatSinksCLASIXWallNumberDescription 19InitialWallTemperature Surface2LayerNumber(F)Area(ft)NumberofNodes1105640122253124653LayerMaterialpaintcarbonsteelconcreteconcreteconcreteLayerThickness (ft)0.0010.05111.520110101342123paintconcreteconcrete0.00110.54 r TABLE19CookCLASIXAnalysisSummarofResultsLowerIceCondenser IceCondenser Compartment LowerPlenumUpperPlenumUpperDeadEndedFan/AccCompartment RegionRoomsNumberofBurnsMagnitude ofBurns(ibm)TotalH2Burned(ibm)H2Remaining (ibm)PeakTemperature (F)PeakPressure(psig)62-734818882810.94738310.83015-4059526115510.825616810.52421610.921205*10.8IceRemaining inIceBedat7080sec.9.9x10ibm.*Occursbeforeburnperiod.

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