ML17229B020

Proposed Tech Specs 3/4.1.2.9 Re Reactivity Control sys- Boron Dilution

ML17229B020
Person / Time
Site:	Saint Lucie
Issue date:	02/23/1999
From:	FLORIDA POWER & LIGHT CO.
To:
Shared Package
ML17229B019	List: ML17229B018 ML17229B020
References
NUDOCS 9903030184
Download: ML17229B020 (9)

Text

St.LucieUnit2DocketNo.50-389ProposedLicenseAmendment~BoronDilutioIterimLTTAHMENT3toL-99-010ST.LUCIEUNIT2MARKED-UPTECHNICALSPECIFICATIONPAGESINDEXPageIVLISTOFTABLESPageXXIIIPage3/41-16Page3/41-17PageB3/41-39903030i84990223PDRADQCK05000389.P.PDR INDEXLIMITINGCONDITIONSFOROPERATIONANDSURVEILLANCEREUIREMENTSSECTION3/4.0APPLICABILITY.................................PAGE3/40-13/4.1REACTIVITYCONTROLSYSTEMS3/4-1~1BORATIONCONTROLSHUTDOWNMARGIN-T>200F...........SHUTDOWNMARGIN-T<200F...........BORONDILUTION.MODERATQRTEMPERATURECOEFFICIENT..MINIMUMTEMPERATUREFORCRITICALITY.3/4l-l3/41-33/41-43/41-53/41-63/4.1.2BQRATIQNSYSTEMSFLOWPATHS-SHUTDOWN.FLOWPATHS-OPERATING..............CHARGINGPUMPS-SHUTDOWN.CHARGINGPUMPS-QPERATING..........BORICACIDMAKEUPPUMPS-SHUTDOWN..BORICACIDMAKEUPPUMPS"OPERATING.BORATEDWATERSOURCES-SHUTDOWN.BORATEDWATERSOURCES-OPERATING...-BOReN-DWUTW.3/41-73/41"83/41-93/41-XQ3/41"113/41"123/41-133/41-143/4.1.3MQVABLECONTROLASSEMBLIESCEAPOSITION.~0~~~~~~t~0~~~~t~t0~~0~~01\POSITIONINDICATORCHANNELS-OPERATING........POSITIONINDICATORCHANNELS-SHUTDOWN.CEADROPTIME..~0~~~~I~10~~i0~~~~i~~SHUTDOWNCEAINSERTIONLIMIT...................REGULATINGCEAINSERTIONLIMITS3/41-183/41-213/41-233/41-243/41-253/41-26ST..LUCIE-UNIT2IV>g~~PPo.

FREQUENCYNOTATION1-81.2OPERATIONALMODES1-92.2-1REACTORPROTECTIVEINSTRUMENTATIONTRIPSETPOINTLIMITS~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~o2A3.1-1WGNR-BRING-FREGUENGIES-FGFH3AEFHrFIel+FBR~UGIGRet+BIEFRGN-3.2-1DELETED..~~~~~~~~~~~~~~~~~~~~42113.2-2DNBMARGINLIMlTS3/42-153.3-1REACTORPROTECTIVEINSTRUMENTATION...........3/43-23.3-2DELETED..4.3-1REACTORPROTECTIVEINSTRUMENTATIONSURVEILLANCEREQUIREMENTS3/43-830333.3-4~~~~\~~~~~~~~~~~~~~~~~~~~~~o3/43123/43-17ENGINEEREDSAFETYFEATURESACTUATIONSYSTEMINSTRUMENTATIONENGINEEREDSAFETYFEATURESACTUATIONSYSTEMINSTRUMENTATIONTRIPVALUES.................335~35DELemD~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~4.3-2ENGINEEREDSAFETYFEATURESACTUATIONSYSTEMINSTRUMENTATIONSURVEILLANCEREQUIREMENTS.............3/43-223.3-6RADIATIONMONITORINGINSTRUMENTATION...3/43-254.3-3RADIATIONMONITORINGINSTRUMENTATIONSURVEILLANCEREQUIREMENTS..3/43-283.3-8DELETED..4.3-5-DELETED..ST.LUCIE-UNIT2XXIIIAmendmentNo.e,ea.~gtt ORONILUTIONLIMITINGCDITIONFOROPERATION3.1.2.9BorononcentrationshallbeverifiedconsistentwithSHUTDOMARGINrequirementsofecifications3.1.1.1,3.1.1.2,,and3.9.1.APPLICABILITY:a.MODES3,4,nd5withRCSlevelabovethehotnterlinebyuseofboronometeorsamplingperTable3.1-1,nhb.ACTION:MODE5withRCSvelbelowthehotlegsamplingperTable3.1-1.nerle;andMODE6byaob.WiththeboronconcentrtionnotcotntwithrequiredSHUTDOWNMARGIN,initiateemergenboatio.Ifunabletodetermineheroconcentrationbythemeansspeci-fiedabove,immediatelsspdaloperationsinvolvingCOREALTERATIONSorpositiveeaiichangesuntiloneofthemeansofdeterminingg4boncoentrationasspecifiedaboveisrestored,toOPELEstus.C.Theprovisionsofeficaon.0.arenotapplicable.SURVEILLANCEREOUIREMENTS4.1.2.9a0WheninMODES34,5,a6,theboronconcentationshallbedeterminedcoistenthSHUTDOWNMARGINrequiementsonceper8hours.cTheboronmeterwhenusedtomonitorboronconcentrtion,shallbedemonstrtedERABLEbyperformanceof:1.CNELCHECKonceper12hours,and2.aCHANNELCALIBRATIONonceper18months.eneverperforminganRCSheatuporcooldown,determinetheronconcentrationatleastonceeve50Fchaneinternerature..~e~eN/N'~7(Amevd~eIA.,&)4aehe~daleIed~+Nc'L~OICQae'e<~Ops-Ill,yH~CLS~AI-l8~ST.LUCIE"UNIT23/41-16~wnl0.

1 TABLE3.1-1MONITORINGFREQUENCIESFORBACKUPBORONDILUTIONDETECTIOFORST.LUCIE-2MODENumberofOPERABLEChargingPus*012312hr100min40min25min5(RCSlevelbelowhotlegcenterline)12hr130min50min30minhr100min40n25min8h35min0erationnotOperationnotllowed**allowed**24hr2in95min55min*ChargingpumpOPERABILITYforanper'oftimeshallconstituteOPERABILITYfortheentiremoniringfquency.I~*~I**InMODE5withtheRCSlevbelowthehlegcenterline,atleasttwochargingpumpsshalleverifiedtobeinoperablebyrackingouttheirmotorcircuitbreers.PEltVQpLp~p~iJPAs~+<~pic.ALST.LUCIE-UNIT23/41-17AmendmentNo.

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-,,*""REACTIVITYCONTROLSYSTheOPERABILITYofoneboroninjectionsystemduringREFUELINGensuresthatthissystemisavailableforreactivitycontrolwhileinYlODE6.ThelimitsoncontainedwatervolumeandboronconcentrationoftheRlITalsoensureapHvalueofbetween7.0and8.0forthesolutionrecirculatedwithincontainmentafteraLOCA.ThispHbandminimizestheevolutionofiodineandminimizestheeffectofchlorideandcausticstresscorrosiononmechanicalsystemsandcomponents.8RBNHKtFR6ThesimultaueoftheboronometerandRCS.saintervalsdependentupontheMODEane-agnberofOPcarging.pumpstomonitorandredundantindicationsofanliowdeiowithsufficienttimefobeforeacompleteSHUTDONtheRCSboronconcentrationproviinadvertentborondi~lut'7zswilltermination*~orondi1utionevencurs.-3/4.1.3MOYABLECONTROLASSEMBLIESThespecificationsofthissectionensurethat(1)acceptablepowerdistributionlimitsaremaintained,(2}theminimumSHUTDOWNMARGINismain-tained,and(3)thepotentialeffectsofCEAmisalignmentsarelimitedtoacceptablelevels.TheACTIONstatementswhichpermitlimitedvariationsfromthebasicrequirementsareaccompaniedbyadditionalrestrictio'nswhichensurethattheoriginaldesigncriteriaaremet.TheACTIONstatementsapplicabletoastuckoruntrippableCEA,totwoormoreinoperableCEAsandtoalargemi.salignment(greaterthanorequalto15inches)oftwoormoreCEAs,requireapromptshutdownofthereactorsinceeitheroftheseconditionsmay.heindicativeofapossiblelossofmechanical.functionalcapabilityoftheCEAsandintheeventofastuckoruntrippab'.eCEA,thelossofSHUTDOWNMARGIN.'orsmallmisaliqnments(lessthan15inches)oftheCEAs,thereis(1)asmalleffectonthetame-dependentlong-termpowerdistributionsrelativetothoseusedingeneratingLCOsandLSSSsetpoints,(2)asmalleffectontheavailableSHUTDOWNMARGIN,and(3)asmalleffectontheejectedCEAworth~sedinthesafetyanalysis.Therefore,theACTIONstatementassociatedwithsmal1misalignmentsofCEAspermitsa1-hourtimeintervalduringwhichattemptsmaybemadetorestoretheCEAtowithinitsalignmentrequirements.The1-hourtimelimitissufficientto{1)identifycausesofamisalignedCEA,(2)takeappropriatecorrectiveaction=torealigntheCEAs,and(3)minimizetheeffectsofxenonredistribution.Thecontainedwatervolumelimitsincludesallowanceforwaternotavailablebecauseofdischargelinelocationandotherphysicalcharacteristics.ST.LUCIE-UNIT283/41-3AmendmentNo.

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