ML17212B632

Post-Accident Sampling Sys Instrumentation.

ML17212B632
Person / Time
Site:	Saint Lucie
Issue date:	04/07/1982
From:	FLORIDA POWER & LIGHT CO.
To:
Shared Package
ML17212B631	List: ML17212B630 ML17212B632
References
PROC-820407, NUDOCS 8205280455
Download: ML17212B632 (65)

Text

FUNCTIONAL TESTINGFORTHEPOSTACCIDENTSAMPLINGSYSTEMINSTRUMENTATION PreparedbyCombustion Engineering, Inc.forFloridaPower5LightCo.St.LucieUnitNo.2-1978890NExtension Preparedby:Cognizant inerApproved, by:~k/1upervisor Approvedby:ppiconngineerApprovedby:ProspectManagerIssueDate:

TABLEOFCONTENTS~PaeNo.IBackground IIDescription ofTestIIITestingA.BoronMeterandpHprobeTestB.02andH2AnalyzerTestC.PressureLevelTransmitter Test61216IVAcceptance Criteria22VDataSheets23AppendixIBoronCorrection DuetoTrisodium Phosphate ListOfFiguresFigure1Figure2Figure3Figure4Figure5Figure6Figure7Figure8Figure9Figure10Figure11figure12figure13Boron5pHTestInstallation BoronMeterOutputCorrelation 028H2TestInstallation Pressure&LevelTransmitters TestInstallation PressureTransmitter OutputCorrelation LevelTransmitter OutputCorrelation BoronMeterAcceptance CriteriapHMeterAcceptance Criteria02AnalyzerAcceptance CriteriaH2AnalyzerAcceptance CriteriaLevelTransmitter Acceptance CriteriaPressureTransmitter Acceptance CriteriaBoronConcentration vs.Trisodium Phosphate Concentration 101115192021363738394041Page2 IBackground Thepurposeofthistestistoverifytheperformance oftheprocessinstrumentation usedinthePostAccidentSamplingSystemundertheinfluence oftheanticipated radiation fields.TheNRCPost-Accident SamplingSystemSafetyEvaluation requiresanadditional licensing condition beyondthosestatedinNUREG-0737, SectionII.B.3.Thisrequirement isadatasubmittal supporting theapplicability ofeachanalytical chemistry procedure oronlineinstrument alongwithdocumentation demonstrating compliance withthelicensing conditions fourmonthspriortotheplantexceeding 55poweroperation.

Applicability istobedemonstrated byexperiment undertheradiation andchemistry conditions anticipated underpost-accidentoperation.

Thisdocumentdescribes thetestprogramrequiredforon'ineprocessinstrumentation.

Page3

IIDescripti onofTestThePostAccidentSamplingSystememployson-lineinstrumentation tomonitorpH,boron,entrained oxygen,entrained

hydrogen, andtotaldissolved gasutilizing levelandpressuretransmitters.

Eachoftheseinstruments aretobetestedforapplicability inaradiation and'chemistry environment simulating thatwhichisanticipated underpost-accident operation.

Theobjective istodetermine iftheradiation fieldwouldinterfere withtheinstrument electronics resulting ininaccuracies beyondthoseconsidered acceptable forpostaccidentsampling.

Thetestwillrequiresubjecting eachoftheinstruments listedabovetothedesignvalueradiation field.Datawillberecordedtodocumenttheinstrument accuracyforpostaccidentchemistry rangesunderboththeirradiated andunirradiated condition.

Thetestwillbesplitintothreephases'ith onlytwoinstruments beingtestedatatime.TheboronmeterandpHprobewillbetestedtogetherinonephase.Amultimeter willbeusedtomeasuretheoutputoftheboronmeterwhilethepHwillbereadoutonaBeckmanpHanalyzer.

Thesamplesolutionusedinthisphasewillbedemineralized waterwithapproximately 2000ppmofboricacid.witha4toIradioofhydratedtrisodium phosphate (Na3P0412H20).Asmallpumpwillbeusedtorecirculate thesamplesolutionthroughtheinstruments.

Independent pHreadingswillbetakenperiodically toverifytheBeckmananalyzer.

The02andH2Analyerswillbetestedtogetherinthesecondphaseofthetesting.Bottledgaswithknownconcentrations ofH2and02willbeusedasthetestmediuminthisphase.Writtenverification bythegassupplierdes'cribing theactualgascontentwillbesuppliedpriortothestartofthetest.Thethirdphasewilltestthepressureandleveltransmitters.

Astaticpressurewillbeappliedtoeachtransmitter forthedurationoftheradiation testing.Pressures of2.5psiand60psiarerequired.

Thetransmitters voltageoutputwillbemeasuredbymulti~eters.

Page4 Theradiation fieldwillbe'identical forallthreetestsandwillbeconducted overatwodaytimeperiod.Onthefirstdayoftesting,theinstruments willbeplacedinaradiation fieldof10,000rad/hrforthefirst1/2hour.Theradiation fieldwillthenbeincreased to50,000rad/hrforthenext2hoursandthenincreased to100,000rad/hrforthenext6hoursforatotalintegrated doseof7x10rads.Thistestingwillbecontinuous withnointerruption.

Ontheseconddayoftesting,theradiation fieldwillbeincreased to200,000RAD/hrandtheinstrument exposedfor24hours,foratotalintegrated doseof5.5x10rads.TheRadiation fieldwillbegenerated byCobalt60sourcesandthefieldvaluecertified bythetestfacility.

Duringtheradiation test,theinstruments outputwillbereadandrecordedonthefollowing schedule:

Radiation fieldDurationTimeBetweenReadings10,000rad50,000rad100,000rad200,000rad1/2hr2hrs6hrs24hrs15minutes15minutes30minutes60minutes(forfirst8hrs.only)Thedesignbasisforpostaccidentradiation exposuretothePostAccidentSamplingSysteminstrumentation is7x105rads.Asstated,thisvaluewillbeachievedduringthefirstdayoftesting.Continued exposureduringthetestto5.5x106radsorinstrument failureisintendedtoidentifythelevelofinstrument margin.Page5 1lI4 IIIInstrument TestinThefollowing testprocedures givethematerialrequired, prerequisites thatmustbecompleted, andatestprocedure foreachphaseofthetesting.Thetestprocedure shouldbestrictlyadheredtoandanyvarianceshouldbedocumented byeitherthetestingfacilityorbyCombustion Engineering.

PriorapprovalmustbeobtainedfromCombustion Engineering beforedeviating fromthefollowing procedure.

A.BoronMeterandHProbeTest1.MaterialRequired:

SampleBottlesBoronMeterpHprobeandanalyzer(testinstruments) samplepumpisolation valvesdemineralized waterboricacidhydratedtrisodium phosphate (NA3P04-12H20)multimeter coppertubingSwagelocfittingspHprobe2.Prerequisites a.Testinstallation shouldbeinaccordance withFigureFigure1.b.Prepare6-8gallonsofboratedwater(2000ppm)witha4to1ratioofhydratedtrisodium phosphate.

c.120VACpowersuppliedtothesamplepump,boronmeter,pHanalyzer.

d.Calibration checkshavebeenperformed onthepHprobeandboronmeteraccording tovendorprocedures.

e.Thetestloopisinstalled andallfittingshavebeencheckedforleaks.Hydrostatic testisperformed withPage6 nitrogenat50psi.Permissable leakageis10psiin10minutes.f.WithvalvesV-2closedandV-1openstartthesamplepumpanddischarge intoacalibrated beaker(approximately 1gallon).Adjustthesamplepumpspeedcontroltoobtainaflowof.5to1gpm.Lockthepumpspeedcontrolwhentheproperflowisestablished.

ClosevalveV-1andopenvalveV-2.g.Allwiringconnections betweenthepHprobeandpHanalyzerareconnected.

h.Allwiringconnections betweentheboronmeterandconverter areconnected.

Theboronmeteroutputisconnected toamultimeter 1-5VDC.i.Correlation betweenanalyzeroutputandmultimeter readingisshownonFigure2.3.TestProcedure WithallitemsfromSectionIII.A.2complete, procedeasfollows:Note:Theboronconcentration readoutmustbecorrected duetotheadditionoftrisodium phosphate inaccordance withAppendix-I.~TestDa1a.Drawalocalsampleandwithanindependent pHprobeanalyzeandrecordthepHreading.BytheManitolPotentiometric method(ASTMD3082-79MethodB)orequivalent determine andrecordtheactualboronconcentration.

ThepHreadingshouldbeverifiedevery.4hoursduringthetesting.b.Startthesamplepumpandrecirculate thesamplefluidthroughthetestinstrumentation.

After5minutes,orwhenthereadingonthemultimeter levelsout,recordpHreading,boronmeteroutput,andtemperature.

Page7 V'I~

Note:Thesamplepumpwillruncontinuously duringthistest.c.Placethegaomasourcesinthehotcelltoproducearadiation field(measured ontheinstrument centerline)of10,000rads/hr.Recordinstrument readingsevery15minutes.d.Attheendof30minutes,increasetheradiation fieldto50,000RADS/hr."Recordinstrument readingsevery15minutes.e.After2hoursandatotalintegrated doseofapproximately 200,000rads,increasethedoserateto1x10rads/hr.5Recordinstrument readingsevery30minutes.Continueatthisdoserateuntilatotalintegrated doseof7x10radsisachieved.

Removethegammasourcesfromthehotcellstopthesample"pump andsecuretesting.Note:IfthepHreadingontheBeckmanAnalyzerbeginstodrift,thenanotherlocalsample'ill betakenandanalyzedwithanindependent pHprobetoverifythatthetestsolutionchemistry hasnotchanged.TestOay2f.Startthesamplepumpandrecirculate thesamplefluidthroughthetestinstrumentation.

After5minutes,orwhenthereadingonthemultimeter levelsout,recordthepHreading,boronmeteroutput,andtemperature.

Note:Thesamplepumpwillruncontinuously duringthefirst8hoursofthetest.g.Drawalocalsampleandwithanindependent pHprobe,analyzeandrecordthepHreading.ThepHshouldbeverifiedafter4hours,8hoursand24hours.Page8 h.Placethegamnasourcesinthehotcelltoproducearadiation field(measured ontheinstrument centerline)of200,000rads/hr.Recordinstrument readingsevery60minutesforthefirst8hoursofthistest.After8hours,securethesamplepump.i.Afteratotaltimeof24hoursinthisradiation field,restartthesamplepump.anddrawalocalsample.Withan,independent pHprobe,analyzeandrecordthepHreading.After5minutes,orwhenthereadingonthemultimeter stabilizes, recordpHreading,boronmeteroutputandtemperature.

Measuretotalintegrated dosetheinstrument hasreceivedandrecord.Removegamnasourcesfromhotcellanddisassemble testinstallation.

Page9 GAMMASOURCESCOSALT69SORONMETERHOTCELLpHPROSEPUMPLOCALSAMPLEV.1V2510GAI.LONTANKFIGURE1BORONANDpHPROBETESTINSTALLATION Page10

.0lf1 loXIOTOIIINCIIIXIOIIV:IltSNEVIFCI.45555IICOsssvssvvss461322~II:I'I~IItb's~~~II~II~IIIIt~~-~II~-.I'~~~Is:I B.0andHAnalyzerTest1.MaterialRequiredSize1AGasCylinder505H2and50'5N2withRegulator Size1AGasCylinder965N2and4502withRegulator 02AnalyzerwithreadoutH2AnalyzerwithreadoutCopperTubingSwagelokfittingsFlowmeters (2)0-200cc/min2.Prerequisites a.b.c~d.e.goh.Testinstallation shouldbeinaccordance withFigure3.Calibration checkshavebeenperformed onthe02andH2analyzers inaccordance withvendorprocedures.

120VACpowersuppliedtoH2and02analyzers.

Thetestloophasbeeninstalled andallfittingshavebeencheckedforleaks.Ahydrostatic testisperformed withnitrogenat50psi.Permissableleakageis10psiin10minutes.Allwiringconnections betweenthe02andH2analyzerandtheirrespective readoutiscomplete.

Outlet.ofthegasanalyzers arerunintotheflowstreamofthehotcellventillation system.Crackopentheregulator valve(V-5)onthe5X,02gasbottleuntilaflowrateof50-100cc/minisreadonthe02flowmeter.Verifyreadingonthe02readoutagreeswiththecertification ofthegasbottle.Permissable erroris+105.Ifthisreadingcannotbeachieved, recalibratetheinstrument.

Crackopentheregulator valve(V-6)onthe50~H2gasbottleuntilaflowrateof50-100cc/minisreadoutontheH2flowmeter.VerifyreadingontheH2readoutagreeswiththecertification ofthegasbottle.Permissable erroris+105.Ifthisreadingcannotbeachieved, recalibrate theinstrument.

Page12 I

3.TestProcedure a.MithallitemsfromSectionIII.B.2completeasfollows:TestOay3a.Crackopentheregulator valveonthe4$02gasbottleuntilaflowrateof50-100cc/minisreadonthe02analyzerflowmeter.b.Secureflowfromthe4g02gasbottle.c.Crackopentheregulator valveonthe50$H2gasbottleuntilaflowrateof50-100cc/minisreachedontheH2analyzerflowmeter.d.Secureflowfromthe505H2gasbottle.e.Placethegalenasourcesinthehotcelltoproducearadiation field(measured oninstrument centerline)of10,000rads/hr,Recordinstrument readings.every15minutesbyrepeating stepsathroughdabove.f.Attheendof30minutes,.

increasetheradiation fieldto50,000rads/hr.Recordinstrument readingsevery15minutesbyrepeating stepsathroughdabove.After2hoursandatotalintegrated doseofapproximately 200,000rads,increasethedoserateto1x10rads/hr.5Recordinstrument readingsevery30minutesbyrepeating

~stepsathroughdabove.Continueatthisdoserateuntilatotalintegrated doseof7x105radsisachieved.

Removethegammasourcesfromthehotcellandsecuretesting.Page13

TestDay4h.Repeatsteps1through4andrecordreadings.

Placethegammasourcesinthehotcelltoproducearadiation field(measured ontheinstrument centerline)'of200,000rads/hr.Recordinstruments readingsevery60minutesforthefirst8hoursofthistestbyrepeating stepsathroughd.Afteratotaltimeof24hoursinthisradiation field,recordinstrument readingsbyrepeating stepsathroughd.Measuretotalintegrated dosetheinstruments havereceivedandrecord.k.Removegammasourcesfromhotcellanddisassemble testinstallation.

Page14 GAMMASOURCESCOBALTsn0TOVENTILATION

~SYSTEM~02ANALYZERH2ANALYZERHOTCELLV.S02GASMIXTUREH2GASMIXTUREFIGURE3HZANDOZANALYZERTESTINSTAI.LATION Page15

/

C.PressureandLevelTransmitter Test1.MaterialRequiredPressuretransmitter Leveltransmitter NitrogenbottleRegulator valvePressuregaugeIsolation valveCoppertubingMultimetersSwagelokfittingsPowersupplies2.Prerequisites a.Testinstallation shouldbeinaccordance withFigure4.b.120VACpowersuppliedtopowersupplies.

c.Allwiringconnections betweenthepowersupplytransmiitter andmultimeter arecomplete.

d.Calibration checkshavebeenperformed onbothtransmitters.

e.Thetestloopisinstalled andallfittingshavebeencheckedforleaks.Hydropreformed withnitrogenat50psi.Nopermissable leakageisallowed.f.Fillthereference legontheleveltransmitter toaheightof25inches.Filltheotherlegtoaheightofapproximaty 12".Capbothtubestopreventevaporation offluid.g.Pressurize thepressuretransmitter withN2to50psig.Leaveregulating valveopentomaintainthepressureincaseofleakage.h.Correlation betweenleveltransmitter andpressuretransmitter outputandmultimeter meterreadingissnownonFigures'and6respectively.

Page16 r

4.TestProcedure WithallitemsfromSectionIII.C.2complete, procedeasfollows:TestDay5a.Recordtransmitter readoutonthemultimeter.

b.Placethegammasourcesinthehotcelltoproducearadiation field(measured onthe,instrument centerline)of10,000rads/hr.Recordinstrument readingsevery15minutes.c.Attheendof30minutesincreasetheradiation fieldto50,000rads/hr.Recordinstrument readingsevery15minutes.d.After2hoursandatotalintegrated doseofapproximaatly 200,000rads,increasethedoserateto100,000rads/hr.Recordinstrument readingsevery30minutes.Continueatthisrateuntilatotalintegrated doseof7x10radsisachieved.

Removegammasourcesfromthehotcellandsecuretestingbybleedingthepressurefromthepressuretransmitter.

TestOay6e.Verifythewaterlevelinthetubingontheleveltransmitter.

Establish 50psigpressureonthepressuretransmitter.

Recordtheinstrument readings.

f.Placethegammasourcesinthehotcelltoproducearadiation field(measured ontheinstrument centerline)of200,000rads/hr.Recordinstrument readingsevery60minutesforthefirst8hoursofthistest.g.Afteratotaltimeof24hoursinthisradiation field,recordtheinstrument readings.Page17

h.Removegammasourcesfromthehotcellanddisassemble thetestinstal1ation.Page18 0

GAMMASOURCESCOBALT60LEVELTRANS.PRESSURETRANS.rlnV.3IIOTCELLFIGURE4PRESSUREANOLEVELTRANSMITTER TESTINSTALLATION Pane19 c

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IV.TestAcceptance CriteriaThepreviouscurves(Figures2,5,and6)giveusthecorrelation betweentheinstrument outputandthereadoutshownonthevendorindicator ormultimeter.

Theboronmeteroutputis1-5VDCandislinearfrom0-5000ppmboronconcentration.

TheRosemount Transmitter outputis4-20ma(linear)whichcorresponds to0-100%,and0-100psigonthelevelandpressuretransmitter respectively.

Multimeters areusedforoutputreadingsfor,theseinstruments inlieuofthevendorsuppliedreadoutwhichwillnotbelocatedinanadverseenvironment.

Thistechnique reducestestsetuprequirements.

AppendixIgivesusthecorrelation betweenpHandactualboronconcentration whentrisodium phosphate isinsolution.

Thegasanalyzer(02andH2)andpHprobeusetheirrespective readoutsthatweresuppliedbytheirrespective manufactu'rers.

Theacceptance criteriaforthePostAccidentSamplingSysteminstrumentation isbasedupontheaccuracyoftheinstruments.

Theacceptance accuracies forthesubjectinstruments areshownonFigures7through12.Page22

V.DataSheetsThefollowing datasheetswillbefilledinbypersonnel ofGeorgiaInstitute ofTechnology andverifiedbypersonnel ofCombustion Engineering.

ThedatawillthenbeplottedonFigures7through12toshowhowtheinstrumentation performsinrelationtotheacceptance criteria.

Note:TheattachedFigures7through12areforexample,only.Theactualbaselinereadoutwillbeestablished atthetestingfacility.

Theactualcurveswillbeestablished atthetestingfacilityandwillbepublished inthefinalreport.Itshouldbenotedthattheinstrument errorof+5(5willremainthesame.Deviation beyondthislimitwillconstitute failureofthatinstrument.

Page23 Instrument:

8oronMeterTagNo.:A-502Manufacturer:

OynatrolTestOataSheetPage1of2TimeTemperatur RadiationFieldTotalIntegrated OoseInstrument ReadingRemarksPage24 Instrument:

BoronlumeterTagNo.:A-502Manufacturer:

OynatrolTestDataSheetPage2of2TimeTemperatur Radiation FieldTotalIntegrated DoseInstrument ReadingRemarksPage25 Instrument:

pHProbeTagNo.:A-503manufacturer:

SeckmanTestDataSheetPage1of2TimeI'ndependen pHReadingRadiation FilldTotalInregrated Instrument DoseReadingRemarks'age26 Instrument:

pHProbeTagNo.:A-503Manufacturer:

HeckmanTest.Oata SheetPage2of2TimeIndependent pHReadingRadiation FieldTotalIntegrated OoseInstrument ReadingRemarksPage27 Instrument:

H,AnalyzerTagNo.:A-504Manufacturer:

ComsipDelphiTestDataSheetPagelof2TimeRadiation FieldTotalIntegrated DoseInstrument ReadingRemarksPage28 r

Instrument:

H2AnalyzerTagNo.:A-504Manufacturer:

ComsipDelphiRestDataSheetPage2of2TimeRadiation FieldTotalIntegrated DoseInstrument ReadingRemarksPage29

~fInstrument:

0AnalyzerTagNo.:A-505Manufacturer:

ComsipOelphiTimeRadiation FieldTestDataSheetTotalIntegrated DoseInstrument ReadingPage1of2RemarksPage30.

GII, Instrument:

02AnalyzerTagNo.:A-505Manufacturer:

ComsipDelphiTestDataSheetPage2of2TimeRadiation FieldTotalIntegrated DoseInstrument ReadingRemarksPage31 C

Instrument:

PressureTransmitter TestOataSheetTagNo.:P504Manufacturer:

Rosemount Page1of2TimePressureGaugeReadingRadiation fjeldTota1Integrated DoseInstrument ReadingRemarksPage32 Instrument:

PressureTransmitter TestDataSheetTagNo.:P503Manufacturer:

Rosemount Page2of2TimePressureGaugeReadingRadiation FieldTotalIntegrated DoseInstrument ReadingRemarksPage33

~gInstrument:

LevelTransmitter TagNo.:L-502Manufacturer:

Rosemount TestDataSheetPaae1of2TimeRadiation TotalFieldIntegrated DoseInstrument ReadingRemarksPage34 Instrument:

LevelTransmitter TagNo.:L-502Manufacturer:

Rosemount TestDataSheetPage2of2TimeRadiationFieldTotalIntegrated DoseInstrument ReadingRemarksPage35 r

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0lll'rlSII:0eseselousia461322leIsrI~.1:~IJ.ss~~I~s~~~I~~~~~~~~Iss'it..'leI~Ist.~~~IltIiIteIe~,~~~~sr~,Ie'.1~eI'1stI'.',Ies~~I~,e~~I~~ee~III~I~Ie~~I~stlIII.~~~.~'I's/II~IIIs~e~IIisiII,!~I[I(I:sItlsI~~~III~~1~.'.:'-:I.'III~:'I"~.'t.It'stseI~.tedIjlsttjtI.I'~~IQ0~IsI~~~ee,~lsI's'.st~It.-I::.,!e~j~tlat f'I1 lc,a>>OX>>OVOI>>>>NC>>>>>>XIO>>~>>>>>>S~(iEKSSI>>ftL4tSSCIIC>>IttaltlttteSI461322I~'I::,I>>,Il,i-II>>II'l>>I~~~~;II.Io>>~II:I:.il;'I.:III~IttI~IlI~II~il.lI!iESIII>>I:'1-REIR/lNSH!l>>I~I>>II~II~li.li\~II~l~~II~~il!.':llI~I~I:Ill:I:~'lI*"~Ui~I AppendixII.IfNa3P0412H20isusedforsumppHcontrolcorrection ismadeasfollows:AUseFigure13toobtaintheratioofppmNa3P0412H20toppmboronbasedonboronmeterandpHmeterreadings.

BUsingtheboronmeterreadingandtheratioobtainedfromFigure13,calculate acorrected boronconcentration (ppmBoronc)asfollows:ppmBoron=Boronmeterreadin1+(0.265xratio)

CIftheabovecorrected boronconcentration iswithin50ppmoftheboronmeterreading,recordthisvalueasthecorrected boronconcentration.

Otherwise, proceedwiththefollowing steps.0Usingtheabovecorrected valueandtheboronmeterreadings, obtainanewratiofromFigure13.EUsingthenewratio,calculate anewcorrected boronconcentration usingtheequationinstepB.FIfthenewcorrected boronconcentration iswithin50ppmofthepreviousiteration, recordthisvalueasthecorrected boronconcentration

.Otherwise, usingthenewcorrected boronconcentration andboronmeterreading,obtainanewratiofromFigure13andthen'eturntostepf.Page42 0CCj.S 0gw0~1IIIUOg'XgZOgCUUOOltOleXOOU*~~~~~'