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/4.7PLANTSYSTEMSBASES3/4.7.1TURBINECYCLE3/4.7.1.1SAFETYVALVESTheOPERABILITYofthemainsteamlinecodesafetyvalvesensuresthatthesecondarysystempressurewillbelimitedtowithinitsdesignpressureof1025psigduringthemostsevereanticipatedsystemopera-tionaltransient.Themaximumrelievingcapacityisassociatedwithaturbinetripfrom100$RATEDTHERMALPOWERcoincidentwithanassumedlossofcondenserheatsink(i.e.,nosteambypasstothecondenser).Thespecifiedvalveliftsettingsandrelievingcapacitiesareinaccordancewiththerequirementsof.SectionIIIoftheASMEBoilerandPressureCode,1971EditionandASMECodeforPumpsandValves,ClassII.Thetotalrelievingcapacityiorallvalvesonallofthesteamlinesis12.38x10lbs/hrwhichis102.8percentthetotalsecondarysteamflowof12.04x10lbs/hrat100~>RATEDTHERMALPOWER.Aminimumof2OPERABLEsafetyvalvespersteamgeneratorensuresthatsufficientrelievingcapacityisavailableforremovingdecayheat.STARTUPand/orPOWEROPERATIONisallowablewithsafetyvalvesinoperablewithinthelimitationsoftheACTIONrequirementsonthebasisofthereductioninsecondarysystemsteamflowandTHERMALPOWERrequiredbythereducedreacto'rtripsettingsofthePowerLevel-Highchannels.Thereactortripsetpointreductionsarederivedonthefollowingbases:Fortwoloopoperation:S(X)-(Y)(V)(06.)Xwhere:SPreducedreactortripsetpointinpercentofRATEDTHECALPOWERmaximumnumberof'.inoperablesafetyvalvespersteamline106.5PowerLevel-HighTripSetpoi,ntfortwoloopoperationXeTotalrelteviogcapacityofallaa[etyvatveapersteamlineinlbs/hour(6.192x10lbs/hr.)Maximumrelievingcapaiityofanyonesafetyvalve,inlbs/hour(7.74x10lbs/hr.)ST.LUCIE-UNIT2B3/47-1 5.0DESIGNFEATURES5.1SITEEXCLUSIONAREA5.1.1TheexclusionareashallbeasshowninFigure5.1-1.LOWPOPULATIONZONE5.l.2ThelowpopulationzoneshallbeasshowninFigure5.1-1.5.2CONTAINMENTCONFIGURATION5.2.1Thereactorcontainmentbuildingisasteelbuildingofcylindricalshape,withadomeroofandhavingthefollowingdesignfeatures:a.Hominalinsidediameter=140feet.b.Nominalinsideheight=232feet.z.saCc.Netfreevolume=~x10'ubicfeet.d.Nominalthicknessofvesselwalls=2inches.e.Nominalthicknessofvesseldome=1inch.f.Hominalthicknessofvesselbottom=2inches.5.2.1.2SHIELDBUILDINGa.Min'imumannularspace=4feet.b.Annulusnominalvolume=543,000cubicfeet.c.Nominal'outsideheight(measuredfromtopoffoundationmattothetopofthedome)=228.5feet.d.Nominalinsidediameter=148feet.e.Cylinderwall.minimumthickness=3feet.f.Domeminimumthickness=2.5feet.g.Domeinsideradius=112feet.DESIGNPRESSUREANDTEMPERATURE5.2.2Thesteelreactorcontainmentbuildingisdesignedandshallbemaintainedforamaximuminternalpressureof44psigandatemperatureof264F.ST.LUCIE"UNIT25-1  
/4.7PLANTSYSTEMSBASES3/4.7.1TURBINECYCLE3/4.7.1.1SAFETYVALVESTheOPERABILITYofthemainsteamlinecodesafetyvalvesensuresthatthesecondarysystempressurewillbelimitedtowithinitsdesignpressureof1025psigduringthemostsevereanticipatedsystemopera-tionaltransient.Themaximumrelievingcapacityisassociatedwithaturbinetripfrom100$RATEDTHERMALPOWERcoincidentwithanassumedlossofcondenserheatsink(i.e.,nosteambypasstothecondenser).Thespecifiedvalveliftsettingsandrelievingcapacitiesareinaccordancewiththerequirementsof.SectionIIIoftheASMEBoilerandPressureCode,1971EditionandASMECodeforPumpsandValves,ClassII.Thetotalrelievingcapacityiorallvalvesonallofthesteamlinesis12.38x10lbs/hrwhichis102.8percentthetotalsecondarysteamflowof12.04x10lbs/hrat100~>RATEDTHERMALPOWER.Aminimumof2OPERABLEsafetyvalvespersteamgeneratorensuresthatsufficientrelievingcapacityisavailableforremovingdecayheat.STARTUPand/orPOWEROPERATIONisallowablewithsafetyvalvesinoperablewithinthelimitationsoftheACTIONrequirementsonthebasisofthereductioninsecondarysystemsteamflowandTHERMALPOWERrequiredbythereducedreacto'rtripsettingsofthePowerLevel-Highchannels.Thereactortripsetpointreductionsarederivedonthefollowingbases:Fortwoloopoperation:S(X)-(Y)(V)(06.)Xwhere:SPreducedreactortripsetpointinpercentofRATEDTHECALPOWERmaximumnumberof'.inoperablesafetyvalvespersteamline106.5PowerLevel-HighTripSetpoi,ntfortwoloopoperationXeTotalrelteviogcapacityofallaa[etyvatveapersteamlineinlbs/hour(6.192x10lbs/hr.)Maximumrelievingcapaiityofanyonesafetyvalve,inlbs/hour(7.74x10lbs/hr.)ST.LUCIE-UNIT2B3/47-1 5.0DESIGNFEATURES5.1SITEEXCLUSIONAREA5.1.1TheexclusionareashallbeasshowninFigure5.1-1.LOWPOPULATIONZONE5.l.2ThelowpopulationzoneshallbeasshowninFigure5.1-1.5.2CONTAINMENTCONFIGURATION5.2.1Thereactorcontainmentbuildingisasteelbuildingofcylindricalshape,withadomeroofandhavingthefollowingdesignfeatures:a.Hominalinsidediameter=140feet.b.Nominalinsideheight=232feet.z.saCc.Netfreevolume=~x10'ubicfeet.d.Nominalthicknessofvesselwalls=2inches.e.Nominalthicknessofvesseldome=1inch.f.Hominalthicknessofvesselbottom=2inches.5.2.1.2SHIELDBUILDINGa.Min'imumannularspace=4feet.b.Annulusnominalvolume=543,000cubicfeet.c.Nominal'outsideheight(measuredfromtopoffoundationmattothetopofthedome)=228.5feet.d.Nominalinsidediameter=148feet.e.Cylinderwall.minimumthickness=3feet.f.Domeminimumthickness=2.5feet.g.Domeinsideradius=112feet.DESIGNPRESSUREANDTEMPERATURE5.2.2Thesteelreactorcontainmentbuildingisdesignedandshallbemaintainedforamaximuminternalpressureof44psigandatemperatureof264F.ST.LUCIE"UNIT25-1  


5.3REACTORCOREFUELASSEMBLIESo.ndpoisonrod'loca~~<<~.All4~i~~~~otwornco4e4t.C.5.3.1Thereactorcoreshallcontain217fuelassemblieswitheachfuelassemblycontaining236fuel~cladwithZircaloy-4.Eachfu1rodsa1haveanominalactivefuellengthof136.7inchesandcontainlenrichmentof2.73weightpercentU-235.Reloadfuelshallbesimilarinphysicaldesigntotheinitialcoreloadingandshallhaveamaximumenrichmentof3.70weightpercentU-235.CONTROLELEMENTASSEMBLIESgl5.3.2ThereactorcoreshallcontainMfull-lengthcontrolelementassembliesandnopart-lengthcontrolelementassemblies.5.4REACTORCOOLANTSYSTEM5.4.1TheReactorCoolantSystemisdesignedandshallbemaintai'ned:'a~b.C.InaccordancewiththecoderequirementsspecifiedinSection5.2oftheFSARwithallowancefornormaldegradationpursuantoftheapplicableSurveillanceRequirements,Forapressureof2485psig,andForatemperatureof650~F,exceptforthepressurizerwhichis700F.ST.LUCIE-UNIT25"3  
5.3REACTORCOREFUELASSEMBLIESo.ndpoisonrod'loca~~<<~.All4~i~~~~otwornco4e4t.C.5.3.1Thereactorcoreshallcontain217fuelassemblieswitheachfuelassemblycontaining236fuel~cladwithZircaloy-4.Eachfu1rodsa1haveanominalactivefuellengthof136.7inchesandcontainlenrichmentof2.73weightpercentU-235.Reloadfuelshallbesimilarinphysicaldesigntotheinitialcoreloadingandshallhaveamaximumenrichmentof3.70weightpercentU-235.CONTROLELEMENTASSEMBLIESgl5.3.2ThereactorcoreshallcontainMfull-lengthcontrolelementassembliesandnopart-lengthcontrolelementassemblies.5.4REACTORCOOLANTSYSTEM5.4.1TheReactorCoolantSystemisdesignedandshallbemaintai'ned:'a~b.C.InaccordancewiththecoderequirementsspecifiedinSection5.2oftheFSARwithallowancefornormaldegradationpursuantoftheapplicableSurveillanceRequirements,Forapressureof2485psig,andForatemperatureof650~F,exceptforthepressurizerwhichis700F.ST.LUCIE-UNIT25"3}}
}}

Revision as of 17:57, 18 May 2018

Marked-up Proposed Tech Specs Reflecting Changes Required to Commence Cycle 2 Operation
ML17215A429
Person / Time
Site: Saint Lucie NextEra Energy icon.png
Issue date: 06/04/1984
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FLORIDA POWER & LIGHT CO.
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ML17215A430 List:
References
NUDOCS 8406110289
Download: ML17215A429 (67)


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2.0SAFETYLIMITSANDLIMITINGSAFETYSYSTEMSETTINGS2.1SAFETYLIMITS2.1.1REACTORCOREDNBR2.1.1.1ThecombinationofTHERMALPOWER,pressurizerpressure,andmaximumcoldlegcoolanttemperatureshallnotexceedthelimitsshownonFigure2.1-1.APPLICABILITY:MODES1and2.ACTION:WheneverthecombinationofTHERMALPOWER,pressurizerpressureandmaximumcoldlegcoolanttemperaturehasexceededthelimitsshownonFigure2.1-1,beinHOTSTANDBYwithin1hour,andcomplywiththerequirementsofSpecification6.7.1.PEAKLINEARHEATRATE2.1.1.2ThepeaklinearheatrateofthefuelshallbemaintainedlessthanorequaltoMkW/ft(valuecorrespondingtocenterlinefuelmelt).22.oAPPLICABILITY:MODES1and2.ACTION:22.0Wheneverthepeaklinearheatrateofthefuelhasexceeded.kW/ft(valuecorrespondingtocenterlinefuelmelt),beinHOTSTANDBYwithin1hour,andcomplywiththerequirementsofSpecification6.7.1.REACTORCOOLANTSYSTEMPRESSURE2.1.2TheReactorCoolantSystempressureshallnotexceed2750psia.APPLICABILITY:MODES1,2,3,4,and5.ACTION:MODES1and2WhenevertheReactorCoolantSystempressurehasexceeded2750psia,beinHOTSTANDBYwiththeReactorCoolant'Systempressurewithinitslimitwithin1hour,andcomplywiththerequirementsofSpecification6.7.1.MODES3,4and5WhenevertheReactorCoolantSystempressurehasexceeded'2750psia,reducetheReactorCoolantSystempressuretowithinitslimitwithin5minutes,andcomplywiththerequirementsofSpecification6.7.1.ST.LUCIE-UNIT22-1840bi10289840b04PDR*DOCK05000389Ip nrrtUNACCEPTABLEOPERATION~~no6606409O620600'"'>>I...-I~':iI~~~"~~'---IVESSELFLOWLESSMEUREMENT.UNCERTAIN>>TIES.~370.PMLIMITSCONTAINNOALLOWANCEFORINSTRUMENTERROROA~-FLUCTUATIONSVALIDFORAXIALSHAPESAND.INTEGAATEDRODRADIALPEAKING"FACTORSLESSTHANOAEQUALTOTHOSEONFIGURE82.1-1REACTOROPERATIONLIMITEDTOLESS:".THAN660'FBYACTUATIONOFTHESECONDARYSAFETYVALVES'.!-ACCEPTABLEOPERATION=l>>.>>.>>->>>>,...PZ~ZI:.::gm>mlm"-~2'Ch'".::::grr:.'::Cv,...mppp...'::-rg>gi'utugr".<pj:..':.QllZHmIAppZ-i>>rlu~I~~~I~~i-UNACCEPTLOPERN~~5(bA00V'"1.401.60FRACTIONOFRATEDTHERMALPOWER1.802.00Rgure2.1-1ReactorcorethermalmarginsafetylimitlinesFourreactorcoolantpumpsoperating

~~~...ff!f~~\~I~e~~~~~~~~~~~~~~~~~~~~~I'~~~~~~~~!e~~~~~iel~~~j'l:.::e:Ieli!SEOP-I)52098500RATIONILIIIITSCNITAIIINOALLONlICKFORIISTROKNTERRNORFLUCTNITINSNLIOFORANNALSHAPESANIIITEGRATEOROORADIALPEAKINGFACTORSLESSTINNOREgNLTOTINSENlFIINREB2'.I-IREACTOROPERATINILIIIITEOTOI.KSSTIWI580"FSYACTNTINIOFYllESECONDSAFETVVALVES1ACCEPTNI.EOPERATIONillCflDIIlIIIIIil'II.I;II)I.I'IIIII.IIII)sililIAlCe~~$gpgpic)QXIDQMCOQ4g'0CQXmyAQUD!}I~~~~il.}1i~I"IllfeIINCCEPTABLEOPKRATIQI~~.:I~l~'e~~~~~~~~)~"l'~I~e~~ff:';il:~g~~~~~~}~I.~~~~I~~.~~IIgi~~~,...}tf~~~~)~~~;li}'~tf~fI}:'~~I~~~II":i~i~~~,I'~itC+~~~~O~5I':'.:.gf~~g+:io~fe~~Q~~~~eje0~e~p~~rtI~~~~l4}~eieffe)'f.[~~~fI8IOpKO.ao0.600.80).00I.201.40FRACTINIQFRATEOTIlEiMALPOMER}.602.002.20 TABLE2.2"1REACTORPROTECTIVEINSTRUMENTATIONTRIPSETPOINTLIHITSIMf77C:FUNCTIONALUNIT1.HanualReactorTrip2.VariablePowerLevel-HighFourReactorCoolantPumpsOperating3.PressurizerPressure-HighTRIPSETPOINTNotApplicable<9.61XaboveTHERMALPOWER,withaminimumsetpointof15KofRATEOTHERMALPOWER,andamaximumof<107.0XofRATEOTHERMALPOWER.<2370psiaALLOWABLEVALUESNotApplicable<9.6]XaboveTHERHALPOWER,andaminimumsetpointof15K'ofRATEOTHERMALPOWERandamaximumof<107.0XofRATEOTHERMALPOWER.<2374psia4.ThermalHargin/LowPressureIFourReactorCoolantPumpsOperating5.ContainmentPressure-High6.SteamGeneratorPressure-Low7.SteamGeneratorPressureDifference-High(LogicinTH/LPTripUnit)8.SteamGeneratorLevel-LowTripsetpointadjustedtonotexceedthelimitlinesofFigures2.2-3and2.2-4.Hinimumvalueof1900psia.<4.0psig>626.0psia(2)<120,0psid>39.5X(3)TripsetpointadjustedtonotexceedthelimitlinesofFigures2.2-3and2.2-4.Hinimumvalueof1900psia./.Ig<~psig>621.0psia(2)<132.0psid>39.1X(3)

TABLE2.2-1ContinuedREACTORPROTECTIVEINSTRUMENTATIONTRIPSETPOINTLIMITSIC:MfT7IFUNCTIONALUNIT9.LocalPowerOensity-High~10.LossofComponentCoolingWatertoReactorCoolantPumps-Lowll.ReactorProtectionSystemLogic12.ReactorTripBreakers13.RateofChangeofPower-High14.,ReactorCoolantFlow-Low15.LossofLoad(Turbine)HydraulicFluidPressure-LowTRIPSETPOINTTripsetpointadjustedtonotexceedthelimitlinesofFigures2.2-1and2.2-2.>636gpm""NotApplicableNotApplicable<2.49decadesperminute>95.4XofdesignReactorCoolantflowwithfourpumpsoperating">800psigALLOWABLEVALUESTripsetpointadjus'tedtonotexceedthelimitlinesofFigures2.2"1and2.2-2.>636gpmNotApplicableNotApplicable<2.49decadesperminuteI>94.9XofdesignReactorCoolantflowwithfourpumpsoperating".>800psig949,o~t"Oesignreactorcoolantflowwithfourpumpsoperatingis,gpm.10-minutetimedelayafterrelayactuation.

ICOIIICz=IIeIlAO1.10I~I~~II~s~~'il~~~fNeil~~~I~~~I~~II~I~~I~I~~II~'I~Is~II~~~~1'l'C~II~OR~II~II~~~~'~III'llI~I:I:::ll1)I!I.-,~~I~'I~~~I~~~~!Iill!.6A~~~~Ii!!sI--'j+1.I~~~~tellSI10~lI~:~tI~I<<s~>>re~I'I>>I:;I!};I::-t!~~~'!Ile":II~~,I:I:I,>>)~~~~~s!Ij'.isi'-'I.~~I~~I~~~I~~'I~/~~~,~Iel:leisli<<r-IrI!It>!1illiEINLETTEMP.0FeI~I~~~~\~Ilers~'Ie~I~I'~~~~.Ie!lt~~~ts~~~~~~>>~I~I>>t<<~>>~~~~~~~~I~I~ilia~\~~~~~'rI~t~~I~~~\'eill-':~>>4<<r>>>>~~~s~>>te't~It~IWHERE:AlxANDPVAill:'I~sl,I'~\I~i~11'Ilr~l~~~I>>I.ft~~r~t>>tfI~tI>>et~~~A)=0.6I+AS0.9~t~>>ri~]>>-QONa=2061xQONB+15.85xTINrt~I'II-~t-lIIF0n5.00-O.B-0.4-0.20.00.24O.BAXIALSHAPEINDEX,YlFigure2.2-3ThermalmarglnllnwpressuretripsetpolntPert1{Y>versusA>)

1.701.601.50var)l~I1.401.301.20IIii!Ii1~1.101.00II'.~-0.6-0.4-0.20;00.2AXIALSHAPEINDEX,.Yl0.40.6FIGURE2.2-3THERNLNRGIN/LOWPRESSURETRIPSETPOINT.PART1O"1~"susAlST.LUCIE-UNIT22-9

>bc'secch'c.ercecjtec'eccc'.<4<e4(l~'~P~qa~1.2WHERE:+xQR~=QNANDvAR=2061xQoNs+15.85xTIN-90001.00,80.850.70O.S1.00O.S5OAO0.20.00.20.40.60.81.0FRACTIONOFRATEDTHERMALPOWERFigure2.24Thermalmargin/IowpressuretripsetpolntPart2(FractionofRATEDTHERMALPOWERversusQR>)ST.LUCIE-UNIT22-10 1.2WHERE:AlxQRlQDNBANDP=1400xQDB+17.85xT(-94101.00.80.95IQ85a~lI0IrQR10.6~~~~~~0.40.2~.l.0.00.00.2.0.4'.6O.S1.0FRACTIONOFRATEDTHERMALPOWERFIGURE2.2-4THERMAl.MARGIN/LOWPRESSURETRIPSETPOINTPART2FRACTIONOFRATEDTHERMALPOWERVERSUSQRlST.LUCIE-UNIT22-10 2.1SAFETYLIMITSBASES2.1.1REACTORCORETherestrictionsofthissafetylimitpreventoverheatingofthefuelcladdingandpossiblecladdingperfoJationwhichwouldresultinthereleaseoffissionproductstothereactorcoolant.Overheating,ofthefuelispreventedbymaintainingthesteady-statepeaklinearheatratebelowthelevelatwhichcenterlinefuelmeltingwilloccur.Overheatingofthefuelcladdingispreventedbyrestrictingfueloperationtowithinthenucleateboilingregimewheretheheattransfercoefficientislargeandthecladdingsurfacetemperatureisslightlyabovethecoolantsaturationtemperature.Operationabovetheupperboundaryofthenucleateboilingregimecouldresultinexcessivecladdingtemperaturesbecauseoftheonsetofdeparturefromnucleateboiling(DNB)andtheresultantsharpreductioninheattransfercoefficient.DNBisnotadirectlymeasurableparameterduringoperationandthereforeTHERMALPOWERandReactorCoolantTemperatureandPressurehavebeenrelatedtoDNBthroughtheCE-1correlation.TheCE-1DNBcorrelationhasbeendevelopedtopredicttheDNBheatfluxandthelocationofDNBforaxiallyuniformandnon-uniformheatfluxdistributions..ThelocalDNBheatfluxratio,DNBR,definedastheratiooftheheatfluxthatwouldcauseDNBataparticularcorelocationtothelocalheatflux,isindicativeofthemargintoDNB.a,nacctkcbtel'g~,'.TheminimumvalueoftheDNBRduringsteadystateoperation,normaloperationaltransients,andanticipatedtransientsislimitedto~This.valuecorrespondstoa95Kprobabilityata95KconfidencelevelthatDNBwillnotoccurandischosenasanappropriatemargintoDNBforalloperatingconditions.ThecurvesofFigure2.1-1showthelociofpointsofTHERMALPOWER,ReactorCoolantSystempressureandmaximumcoldlegtemperaturewithfour[greactorCoolantPumpsoperatingforwhichtheminimumDNBRisnolessthanforthefamilyofaxialshapesandcorrespondingradialpeaksshownin,yFigureB2.1-1.ThelimitsinFigure2.1-1'erecalculatedforreactorcoolantinlettemperatureslessthanorequalto580'F.Thedashedlineat580Fcoolantinlettemperatureisnotasafetylimit;however,operationabove580Fisnotpossiblebecauseoftheactuationofthemainsteamlinesafetyvalveswhichlimitthemaximumvalueofreactorinlettemperature.ReactoroperationatTHERMALPOWERlevelshigherthan112KofRATEDTHERMALPOWERis'prohibitedbythehighpowerleveltripsetpointspecifiedinTable2.2-1.~Theareaofsafeoperationisbelowandtotheleftoftheselines.TheconditionsfortheThermalMarginSafetyLimitcurvesinFigure2.1-1tobevalidareshownonthefigure.TheThermalMargin/LowPressureandLocalPowerDensityTripSystems,inconjunctionwithLimitingConditionsforOperation,theVariableOverpowerTripandthePowerDependentInsertion-Limits,assurethattheSpecifiedAcceptableFuelDesignLimitsonDNBandFuelCenterlineMeltarenotexceededduringnormaloperationanddesignbasisAnticipatedOperationOccurrences.ST.LUCIE-UNIT2B2-1 ICnmzOIDcoCCI-thAKOXONK0z2.1.81.61.41.21.00.80.60.40.2F,=1.85F=1.64TF,=1.69T0.0PERCENTOFACTIVECORELENGTHFROMBOTTOMFigureB2.1-1Axialpowerdistributionforthermalmarginsafetylimits 2.01.61.41.2F=1.67TF=1.79RFT=1.771.00.0-a0.64JI0.40.20.025F=1.62T5075100PERCEflTOFACTlVECORELENGTHFROH00TTQ4Figure02.1-1'xialpowerdistributionforthermalmarginsafetylimitsI

SAFETYLIMITSANDLIMITINGSAFETYSYSTEMSETTINGSBASESVariablePowerLevel-HihAReactortriponVariableOverpowerisprovidedtoprotectthe.reactorcoreduringrapidpositivereactivityadditionexcursionswhicharetoorapidtobeprotectedbyaPressurizerPressure-HighorThermal'Margin/LowPressureTrip.TheVariablePowerLevelHightripsetpointisoperatoradjustableandcanbesetnohigherthan9.62KabovetheindicatedTHERMALPOWERlevel.OperatoractionisrequiredtoincreasethetripsetpointasTHERMALPOWERis'ncreased.ThetripsetpointisautomaticallydecreasedasTHERMALPOWERdecreases.Thetripsetpointhasamaximumvalueof107.0XofRATEDTHERMALPOWERandaminimumsetpointof15.0XofRATEDTHERMALPOWER.Addingtothismaximumvaluethepossiblevariationintrippointduetocalibrationandinstrumenterrors,themaximumactualsteady-stateTHERMALPOWERlevelatwhichatripwouldbeactuatedis112KofRATEDTHERMALPOWER,whichisthevalueusedinthesafetyanalyses.PressurizerPressure-HihThePressurizerPressure-Hightrip,inconjunctionwiththepressurizersafetyvalvesandmainsteamsafetyvalves,providesReactorCoolantSystemprotectionagainstoverpressurizationintheeventoflossofloadwithoutreactortrip.Thistrip'ssetpointisatlessthanorequalto2375psiawhichisbelowthenominalliftsetting2500psiaofthepressurizersafetyvalvesanditsoperationminimizestheundesirableoperationofthepressurizersafetyvalves.ThermalMarin/LowPressureTheThermalMargin/LowPressuretripisprovidedtopreventoperatignwhentheDNBRislessthan&28i%he.~ccrp4.4lcw<<i~~~bMB</i'~i'F'.ThetripisinitiatedwhenevertheReactorCoolantSystempressuresignaldropsbeloweither1900psiaor'computedvalueasdescribedbelow,whicheverishigher.ThecomputedvalueisafunctionofthehigherofbTpowerorneutronpower,reactorinlettemperature,thenumberofreactorcoolantpumpsoperatingandtheAXIALSHAPEINDEX.Theminimumvalueofreactorcoolantflowrate,themaximumAZIMUTHALPOWERTILTandthemaximumCEAdeviationpermittedforcontinuousoperationareassumedinthegenerationofthistripfunction.Inaddition,CEAgroupsequencinginaccordancewithSpecifica-tions3.1.3.5and3.1.3.6isassumed.Finally,themaximuminsertionofCEAbankswhichcanoccurduringanyanticipatedoperationaloccurrencepriortoaPowerLevel-Hightripisassumed.TheThermalMargin/LowPressuretripsetpointsarederivedfromthecoresafetylimitsthroughapplicationofappropriateallowancesforequipmentresponsetimemeasurementuncertaintiesandprocessingerror.Asafetymarginisprovidedwhichincludes:anallowanceof2.0XofRATEDTHERMALPOWERtocompensateforpotentialpowermeasurementerror;anallowanceof3.04Ftocompensateforpotentialtemperaturemeasurementuncertainty;andafurtherallowanceof91.0psiatocompensateforpressuremeasurementerrorandtimedelayassociatedwithprovidingeffectiveterminationoftheoccurrencethatexhibitsthemostrapiddecreaseinmargintothesafetylimit.The91.0psiaal.lowanceismadeupofa25.0psiapressuremeasurementallowanceanda66.0psiatimedelayallowance.ST.LUCIE-UNIT2B2-4 0

REACTIVITYCONTROLSYSTEMSSHUTDOWNMARGIN-TLESSTHANOREUALTO2OOFLIMITINGCONDITIONFOROPERATION93.1.1.2TheGMUTOOWNMARGINshallbegreaterthanorequaltog.OXdeltak/k./APPLICABILITY:MODE5.ACTION:9WiththeSHUTDOWNMARGINlessthan>.(Cdeltak/k,immediatelyinitiateandcontinueborationatgreaterthanorequalto40gpmofasolutioncontaininggreaterthanorequalto1720ppmboronorequivalentuntiltherequiredSHUTDOWNMARGINisrestored.SURVEILLANCEREUIREMENTS4.1.1.2TheSHUTDOWNMARGINshallbedeterminedtobegreaterthanorequaltog.OXdeltak/k:.3b.Within1hourafterdetectionofaninoperableCEA(s)andatleastonceper12hoursthereafterwhiletheCEA(s)isinoperable.IftheinoperableCEAisimmovableoruntrippable,theaboverequiredSHUTDOWNMARGINshallbeincreasedbyanamountatleastequaltothewithdrawnworthoftheimmovableoruntrippableCEA(s).Atleastonceper24hoursbyconsiderationofthefollowingfactors:l.2.3.5.6.Reactorcoolantsystemboronconcentration,CEAposition,Reactorcoolantsystemaveragetemperature,Fuelburnupbasedongrossthermalenergygeneration,Xenonconcentration,andSamariumconcentration.C.Atleastonceper24hours,whentheReactorCoolantSystemisdrainedbelowthehotlegcenterline,byconsiderationofthefactorsin4.1.1.2b.andbyverifyingatleasttwochargingpumpsarerenderedinoperablebyrackingouttheirmotorcircuitbreakers.ST.LUCIE-UNIT23/41"3 REACTIVITYCONTROLSYSTEMSFLOWPATHS-OPERATINGLIMITINGCONDITIONFOROPERATION3.1.2.2AtleasttwoofthefollowingthreeboroninjectionflowpathsandoneassociatedheattracingcircuitshallbeOPERABLE:aob.Twoflowpathsfromtheboricacidmakeuptanksviaeitheraboricacidmakeuppumporagravityfeedconnection,andachargingpumptotheReactorCoolantSystem,andTheflowpathfromtherefuelingwatertankviaachargingpumptotheReactorCoolantSystem.APPLICABILITY:MODES1,2,3and4.ACTION:Withonlyoneoftheaboverequiredboroninjection.flowpathstotheReactorCoolantSystemOPERABLE,restoreatleasttwoboroninjectionflowpathstotheReactorCoolantSystemtoOPERABLEstatuswithin72hoursorbeinatleastHOTSTANDBYandboratedtoaSHUTDOWNMARGINequivalenttoatleastQ~.OXdeltak/kat200'Fwithinthenext6hours;restoreatleasttwoflowpathstoOPERABLEstatuswithinthenext7daysorbeinCOLDSHUTDOWNwithinthenext30hours.SURVEILLANCEREUIREMENTS4.1.2.2AtleasttwooftheaboverequiredflowpathsshallbedemonstratedOPERABLE:a.Atleastonceper7daysbyverifyingthatthetemperatureoftheheattracedportionoftheflowpathfromtheboricacidmakeuptanksisabovethetemperaturelimitlineshownonFigure3.1-1.b.Atleastonceper31daysbyverifyingthateachvalve(manual,power-operatedorautomatic)intheflowpaththatisnotlocked,sealed,orotherwisesecuredinposition,isin.itscorrectposition.c.Atleastonceper18monthsduringshutdownbyverifyingthateachautomaticvalveintheflowpathactuatestoitscorrectpositiononanSIAStestsignal.d.Atleastonceper18monthsbyverifyingthattheflowpathrequiredbySpecification3.1.2.2adeliversatleast40gpmtotheReactorCoolantSystem.ST.LUCIE"UNIT2C REACTIVITYCONTROLSYSTEMSCHARGINGPUMPS-OPERATINGLIMITINGCONDITIONFOROPERATION3.1.2.4AtleasttwochargingpumpsshallbeOPERABLE.APPLICABILITY:MODESI,2,3anda.ACTION:WithonlyonechargingpumpOPERABLE,restoreatleasttwochargingpumpstoOPERABLEstatuswithin72hoursorbein>atleastHOTSTANDBYandboratedtoaSHUTDOWNMARGINequivalenttoatleastN.lCdeltak/kat200Fwithinthenext6hours;restoreatleasttwochargingpumpstoOPERABLEstatuswithinthenext7daysorbeinCOLDSHUTDOWNwithinthenext30hours.SURVEILLANCEREUIREMENTS4.1.2.4.1Atleasttwo'hargingpumpsshal1bedemonstratedOPERABLEbyverifyingthateachpumpdevelopsaflowrateofgreaterthanoregualto40gpmwhentestedpursuanttoSpecification4.0.5.4.1.2.4.2Atleastonceper18monthsverifythateachchargingpumpstartsautomaticallyonanSIAStestsignal.ST.LUCIE-UNIT23/41-10 REACTIVITYCONTROLSYSTEMSBORICACIDMAKEUPPUMPS-OPERATINGLIMITINGCONDITIONFOROPERATION3.1.2.6Atleasttheboricacid'makeuppump(s)intheboroninjectionflowpath(s)requiredOPERABLEpursuanttoSpecification3.1.2.2ashallbeOPERABLEandcapableofbeingpoweredfromanOPERABLEemergencybusiftheflowpaththroughtheboricacidpump(s)inSpecification3.1.2.2aisOPERABLE.APPLICABILITY:MODES1,2,3and4.ACTION:Withoneboricacidmakeuppumprequiredfortheboroninjectionflowpath(s)pursuanttoSpecification3.1.2.2ainoperable,restoretheboricacidmakeuppumptoOPERABLEstatuswithin72hoursorbeinatleastHOTSTANDBYwithj.nthenext6hoursandboratedtoaSHUTDOWNMARGINequivalenttoatleastMOXdeltak/kat200F;restoretheaboverequiredboricacidmakeuppump(s)toOPERABLEstatuswithinthenext7daysorbeinCOLDSHUTDOWNwithinthenext30hours.SURVEILLANCEREUIREMENTS4.1.2.6Theaboverequiredboricacidmakeuppump(s).shallbedemonstratedOPERABLEbyverifying,thatonrecirculation-flow,.thepump(s)developadischargepressureofgreaterthanorequalto90psigwhentestedpursuanttoSpecification4.0.5.ST.LUCIE-UNIT23/41-72 REACTIVITYiONTROLSYSTEMSBORATEDWATFRSOURCES-OPERATINGLIMITINGCONDITIONFOROPERATION'3.1.2.8aOb.EachofthefollowingboratedwatersourcesshallbeOPERABLE:AtleastoneboricacidmakeuptankandatleastoneassociatedheattracingcircuitŽpertankwiththecontentsofthetankinaccordancewithFigure3.1-1,andITherefuelingwatertankwith:l.Aminimum.containedboratedwatervolumeof417,100gallons,2.Aboronconcentrationofbetween1720and2100ppmofboron,and3.Asolutiontemperaturebetween55'Fand1004F.APPLICABILITY:MODES1,2,3and4.ACTION:a0b.Withtheaboverequiredboricacidmakeuptankinoperable,restorethetanktoOPERABLEstatuswithin72hoursorbeinatleastHOTSTANDBYwithinthenext.QhoursandboratedtoaSHUTDOWNMARGINequivalenttoatleast~Xdeltak/kat200'F;restoretheaboverequiredboricacidmakeuptanktoOPERABLEstatuswithinthenext7daysorbeinCOLDSHUTDOWNwithinthenext30hours.Withtherefuelingwatertankinoperable,restorethetanktoOPERABLEstatuswithin1hourorbeinatleastHOTSTANDBYwithinthenext6hoursandinCOLDSHUTDOWNwithinthefollowing30hours.SURVEILLANCEREUIREMENTS4.1.2.8aob.EachboratedwatersourceshallbedemonstratedOPERABLE:Atlea'stonceper7daysby:l.Verifying'theboronconcentrationinthewater,C2.Verifying-thecontainedboratedwatervolumeofthewatersource,and3.Verify'ingtheboricacidmakeuptanksolutiontemperature.Atleastonceper24hoursbyverifyingtheRWTtemperaturewhentheoutsideairtemperatureisoutsidetherangeof55'Fand100F.IST.LUCIE-UNIT23/41-14 0

REACTIVITYCONTROLSYSTEMS3/4.1:3MOVABLECONTROLASSEMBLIESCEAPOSITIONLIMITINGCONDITIONFOROPERATION3.1.3.1TheCEABlockCircuitandallfull-length(shutdownandregulating)CEAswhichareinsertedinthecore,shallbeOPERABLEwitheachCEAofagivengrouppositionedwithin7.0inches(indicatedposition)ofallotherCEAsinitsgroup.APPLICABILITY:MODES1"and2".ACTION:aOb.cd.Withoneormorefull-lengthCEAsinoperableduetobeingimmovableasaresultofexcessivefrictionormechanicalinterferenceorknowntobeuntrippable,determinethattheSHUTDOWNMARGINrequire-mentofSpecification3.1.1.1issatisfiedwithin1hourandbeinatleastHOTSTANPBYwithin6hours.WiththeCEABlockCircuitinoperable,within6hourseither:1.WithoneCEApositionindicatorpergroupinoperabletakeactionperSpecification3.1.3.2,or2.Withthegroupoverlapand/orsequencipginterlocksinoperablemaintainCEAgrou~s1,2,3,~and&FullywithdrawnandtheCEA'singroup~tolessthan15K.insertionandplaceandmaintainCEAdrivesystemineitherthe"Manual"or"Off"position,or3.'BeinatleastHOTSTANDBY.Withmorethanonefull-lengthCEAinoperableormisaligned.fromanyotherCEAinitsgroupbymorethan15inches(indicatedposition),beinatleastHOTSTANDBYwithin6hours.Withonefull-lengthCEAmisalignedfromanyotherCEAinitsgroupbymorethan15inches,operationinMODES1and2maycontinue,~~~~~~~~rovided,that%henis~lij~edCAismaioli'i~eeriki'n,lbinc."i'-5oP.%heofhei-6'Asini4groupinaccordancpi'fhhtieCys4o~n.'i-iPte.I1oSeeSpecialTestExceptions3.10.2,3.10.4,and3.10.5.usST.LUCIE-UNIT23/41-18 Ai$hOneftAIj-lCESdl>'4CGAm>aatigs<44ONaugOfherCPAI'WE't+a0rOOpg<~pte4ha~I5Erick>bc.yowtl4"c<<+4c'owl>424'4a4dswwinI=2jureN.l,.ftyler>>po~<ro-707ERoF'4c.J>~<>w<1Pone~p>iaw0-o(O~q4.4i~qAC<~4'llC..Idg.<Jg.Z,14p4EE:+44CEA+yypdmga))depQptmp+>pgz+<p+ypdmgI+iLmg+)fan)llKCit~.Y'C'gVlssg~~/REACTIVITYCONTRDLSYSTEMSACTION'Continued)2.OeoiareitCinoperahleandtheSMUTOQWMMARGIErequirementof~Specification3.1.1.1.AfterdeclaringtheCEAinoperable,operationinMODES1and2maycontinuepursuanttotherequirementsofSpecification3.1.3.6provided:"a)Within1hourtheremainderoftheCEAsinthegroupwiththeinoperableCEAshallbealignedtowithin7.0inchesoftheinoperableCEAwhilemaintainingtheallowableCEAsequenceandinsertionlimitsshownonFigure3.1-2;theTHERMALPOWERlevelshallberestrictedpursuanttoSpecification3.1.3.6duringsubsequentoperation.b)TheSHUTDOWNMARGINrequirementofSpecification3.1.1.1isdeterminedatleastonceper12hours.Otherwise,beinatleastHOTSTANDBYwithin6hours.Withoneormoreful;-lengthCEA(s)misalignedfromanyotherCEAs(initsgroupbymorethan7.0inchesbutlessthanorequalto15inches,operationinMODES1and2maycontinue,providedthatwithin1hourthemisalignedCEA(s)iseither:1.RestoredtoOPERABLEstatuswithinitsabovespecifiedalignment-..requirements,or2.DeclaredinoperableandtheSHUTDOWN,MARGINrequirementofSpecification3.1.1.1issatisfied.AfterdeclaringtheCEAinoperable,operationinMODES1and2maycontinuepursuanttotherequirementsofSpecification3.1.3.6provided:a)Within1hourtheremainderoftheCEAsinthegroupwith.theirioperableCEAshallbealignedtowithin7.0inchesoftheinoperableCEAwhilemaintainingtheallowableCEAsequenceandinsertionlimitsshownonFigure3.1-2;theTHERMALPOWERlevelshal'lberestrictedpursuanttoSpecification3~1.3.6duringsubsequentoperation.b)TheSHUTDOWNMARGINrequirementofSpecification3.1.1.1isdeterminedatleastonceper12hours.Otherwise,beinatleastHOTSTANDBYwithin6hours.Withonefull-lengthCEAinoperableduetocausesotherthan/addressedbyACTIONa.,above,andinsertedbeyondtheLongTermSteadyStateInsertionLimitsbutwithinitsabovespecifiedalignmentrequirements,operationinMODES1and2maycontinuepursuanttotherequirementsofSpecification3.1.3.6.Withonefull-lengthCEAinoperableduetocausesotherthanaddressedbyACTIONa.,above,butwithinitsabovespecifiedalign-mentrequirementsandeitherfullywithdrawnorwithintheLongTermSteadyStateInsertionLimitsifinfull-lengthCEAgroup+'PoperationinMODES1and2maycontinue.Ifthepre-misalignmentASIwasmore'negativethan-0.15,reducepowerto<70KofRATEDTHERMALPOWERor70KoftheTHERMALPOWERlevelpriortothemis"alignment,whicheverisless,priortocompletingACTIONgt.2.a)andg.2.b).eeST.LUCIE-UNIT23/41-19 4'eoj~~iQFigur.1-laAllowableTimetoRealinCEAvs.InitialFI~et'I~'IIt4,--IIt4\41=~*+~*I4et4'I~fthmIF14'"71';tt\~IYfj"74e~t-1t.tt.':.:~f4~~~-'I'1~eettheje.441470(XS,1.70)~Ie,I,e~4jt..'e.ttf-;'8-I'lff1'4~j*44ttfe~44et1~=et'7~it17~~~cateIfIt~I1I~4~Mt~4I~~~1II~~~I4~4I"41T4~te711.t\~"r'e~I~1el4~~~441ti~ettltf~*te1tr--1I~~r~~-4+tIjjtetIet~fjte.f,~~1+'4I'1ttj)1,'jjYil~'~1~I1~~.4441I"4v4~1I'fe1~I~~~.j2"'..~Itjlfj~I'4I0'44~4~~TimeatFullPowertoReal1.~Lt,sIj:11*~~inuteI'L~~*;7.I1f4e REACTIVITYCONTROLSYSTEMSCEADROPTIMELIMITINGCONDITIONFOROPERATIONgI73.1.3.4Theindividualfull-length(shutdownandregulating)CEAdroptime,fromafullyAthdrawnposition,shallbelessthanorequalto~secondsfromwhentheelectricalpowerisinterruptedtotheCEAdrivemechanismuntiltheCEAreachesits90Kinsertionpositionwith:a.Tgreaterthanorequalto5154F,andavgb.Allreactorcoolantpumpsoperating.APPLICABILITY:MODES1and2.ACTION:a.b.Withthedroptimeofany,full-lengthCEAdeterminedtoexceedtheabovelimit:1.IfinMODElor2,beinatleastHOTSTANDBYwithin6hours,or2.IfinMODE3,4,or5,restoretheCEAdroptimetowithintheabovelimitpriortoproceedingtoMODE1or2.WiththeCEAdroptimeswithinlimitsbutdeterminedatlessthanfullreactorcoolantflow,operationmayproceedprovidedTHERMALPOWERisrestrictedtolessthanorequaltothemaximumTHERMALPOWERlevelallowableforthereactorcoolantpumpcombinationoperatingatthetimeofCEAdroptimedetermination.SURVEILLANCEREUIREMENTS4.l.3.4TheCEAdroptimeoffull-lengthCEAsshallbedemonstratedthroughmeasurementpriortoreactorcriticality:a.b.C.ForallCEAsfollowingeachremovalandinstallationof.thereactorvesselhead,ForspecificallyaffectedindividualsCEAsfollowinganymain-tenanceonormodificationtotheCEAdrivesystemwhichcouldaffectthedroptimeofthosespecificCEAs,andAtleastonceper18months:ST.LUCIE"UNIT23/41-24 J

ICOmCzt4LU0.80O0.60Ou.0.40OZ0ba:0.20(BANK6-38",POWER=100%)~(BANK5.8",POWER=80%)~(BANK5-82".POWER=60%)LLONGTERMSTEADYSTATEINSERTINLIMITPOWER0+ENOENTINSERTIONLIMITSHORTTERM+3ANK4-54".POWER=36%)STEADYSTATEINSERTIONLIMIT-~(BANK3-27".POWER=12%)0.00(BANK3-54",POER=0%)6GROUPS027558210913705275582109137032755821913702755821091370275582109137CEAINSERTION(INCHES)~-'IFigure3.1-2CEAInsertionlimitsvsTHERMALPOWERwithfourreactorcoolantpumpsoperating~%

0.80Cl0.700.60a0.50WI->040C)0.300.200.10c02owc~gcSg@QanQ,a~oajvmg@oIAaoaCC9gopcoe0IIcQ~QuU)IIC3c0DNcg8(aa0V5IIIcI=1"I'-II)@I:"lgl",I:.I4.ONOTEAM-~-SIIOATTEAM--STEAOYSTEAOYSTATESTATEINSEATIONINSEATIONLIMITLIMITc0Ocg'aC9bGnoups020406080100(136)(108.8)(81.6)(54.4)(2l.2)(8)020406080100020406080100(136)(108.8)(81.6)(54.4)(27.2)(0)(136)(108.8)(81.6)(51.4)(27.2)(0)2020406080100020406080100(136)(1088)(81.6)(51.4)(21.2)(0)(136)(108.8)(81.6)(54.4)(27.2)(0)%CEAINSEATIONIINCIIESCEAWITIIOAAWN)Figure3.1-2CEAInsertionLimitsvs.Ti(ERNLPOWERwithFourReactorCoolantPumpsOperating 1.2'.lljljtjtIjj!!l!!jjjjLt'jt't"ttlat,li!l.'-iltIIII~Iptj~ltII~~IIIjjiturfttrj'L.!L'IIt~~I~tI~1.0CLo.0.80.5XI~~I~~II~II~IIsl~.I~t~!l.:~I!I~~jI'~I~s~~\~II~~~~~I~~~~~~I!'II~It~l'lt'.:I,s;!I~~I~~sl~sIt~~I~~~~~I~~II~IsI'Iiftltlj~~~::'jsj::li~~I~I~~I~~stjs~~~'I~~I~~t~~I!Itl5,0:::,-0.1925)i:III~s!l~I~I~~~~~I~~~~~~~0.70)I.'Is~I~I~~~~s~ii~~st:,'I'I!!It:tlll'.UNACCEPTABLEl:jOPERATIONREGION~~ttIlslIlstsjstl'.~~~I~I~':I(0.15,0.925)I~~~!~t~~tsar~~~I'Lt'~~!I'~sI~,Is~~~~~~I~st~I~~l~t~~~~I~sI~~~~~Iss~~Itsti~~~~(0.3,0~~~I;Is~Itt~~..~ACEPTABLEPERATIONREGION'-"!!t~~~~~~~t~I~~I~st~~I~~~I~~~I~~s~~~I.70)!.'ll;I,'!I.lI,~~~~~'t's~~I~~~~I'~~~~~~~~~~~0.2~~!I:t!:I~~~~'~~~~~~~~I~~~~~st~\~~~~~~~~IIII~~~~~li~I~~~I~~~~t~s~sI~I~~*Iss~0.0C.4A.20.00.PERIPHERALAXIALSHAPEINDE0.40.6Rgure3.2-2AXIALSHAPEINDEXvsfractionofmaximumallowablepoerlevelperSpecification4.2.1.3ST.LUCIE-UNIT23/42-4

1.11.0'PERATION"REGIONw0.90.80.7CD0.6~1'~y~~$~0.50.4-0.6-0.4'-0.2'.0.0'.2PERIPHERALAXIALSHAPEINDEX0.40.6..FIGURE3.2-2AXIALSHAPEINDEXVSFRACTIONOFNXMNALLOWABLEPOWERLEVELPERSPECIFICATION4,2.1.3ST.LUCIE-UNIT23/42-4 1.2'1.0l1.60.1UNACCEPTASLEOPERATIONREBLION.'.".-:::--i:-.:-i-.:.:-t-w:::::t-:~:-t':=::::-:F,LIMITCURVE,FLIMITCURVE00.8III'.-~I.~:,:l1.68,0.80)::0z040.6I=j:jtACCEPTABLEOPERATIONREGION~\0.40.20.01.621.641.661.681.701.72lMEASUREDF,,FFigure3.23AllowablecomblnetlonsofthermelpowerendF,,FRg Fl3.2-3A(lMKKC@B1QT1NSOFTIELPNERNDFpIFxy~o~~oo)oo~/~~5~~~~~oo<<~~~oloo.E.'oo.~~~~~~1.0~~50.8~o~~o~~~o~~~t~~~o~~~o85,8)a.e1.651.701.75%hSNEDF,F1.&0~1.85 eePOWERDISTRIBUTIONLIMITS3/4.2.'2TOTALPLANARRADIALPEAKINGFACTORS-FLIMITINGCONDITIONFOR'.OPERATIONl.7z"3.2.2ThecalculatedvalueofFxshallbelimitedto(~APPLICABILITY:MODE1".ACTION:WithFaet.7>->~,within6hourseither:ReduceTHERMALPOWERtobringthecombinationofTHERMALPOWERandFxtowithinthelimitsofFigure,3.2-3andwithdrawthefulllengthCEAstoorbeyondtheLongTermSteadyStateInsertionLimitsofSpecification3.1.3.6;orb.BeinHOTSTANDBY.SURVEILLANCEREUIREMENTSe4.2.2.1TheprovisionsofSpecification4.0.4arenotapplicable.4.2.2.2FshallbecalculatedbytheexpressionF=F(1+T)whenT.Txy~xyxyqFiscalculatedwithanon-fullcorepowerdistributionanalysiscodeandshallbecalculatedas'=FwhencalculationsareperformedwithafullTxyxycorepowerdistributionanalysiscode.Fshallbedeterminedtobewithinxyitslimitatthefollowingintervals:a.Priortooperationabove70KofRATEDTHERMALPOWERaftereachfuelloading,b.At.leastonceper31daysofaccumulatedoperationinMODE1,andc.Within4hoursiftheAZIMUTHALPOWERTILT(T)is>'0.03.qSeeSpecialTestException3.10.2.ST.LUCIE"UNIT23/42-7 P

POWERDISTRIBUTIONLIMITSTOTALINTEGRATEDRADIALPEAKINGFACTOR-FLIMITINGCONDITIONFOROPERATIONTl,aa3.2.3ThecalculatedvalueofFr,shallbelimitedto<~APPLICABILITY:MODE1".ACTION:Tl.TOWithFr>~,within6hourseither:a.BeinatleastHOT'TANDBY,orb.ReduceTHERMALPOWERtobringthecombinationofTHERMALPOWERandFtowithinthelimitsofFigure3.2-3andwithdrawthefull-lengthrCEAstoorbeyondtheLongTermSteadyStateInsertionLimitsofSpecification3.1.3.6.TheTHERMALPOWERlimitdeterminedfromFigure3.2-3shallthenbeusedtoestablisharevisedupperTHERMALPOWERlevellimitonFigure3.2-4(truncateFigure3.2-4atthe.allowablefractiohofRATEDTHERMALPOWERdeterminedbyFigure3.2-3)andsubsequentoperationshallbemaintainedwithinthereducedacceptableoperationregionofFigure3.2-4.SURVEILLANCEREUIREMENTS4.2.3.1TheprovisionsofSpecification4.0.4arenotapplicable.4.2.3.2FshallbecalculatedbytheexpressionF=F(1+T)~~w~Trrqh1111Fh-1111analysiscodeandshallbecalculatedasF-"Fwhenrcalculationsareperformedwithafullcorepowerdistributionanalysiscode.Frshallbedeterminedtobewithinitslimitatthefollowingintervals.a.Priortooperationabove70KofRATEDTHERMALPOWERaftereachfuelloading.b.Atleastonceper31daysofaccumulatedoperationinMODE1,andc.Within4hoursiftheAZIMUTHALPOWERTILT(T)is>0.03.SeeSpecialTestException3.10.2."ST.LUCIE-UNIT23/42"9 UNDLEGWd/MTU0-10.010.0-20.020.0-.-40.040.0"50.0DNBRTY0.5.02.03.55.5DNBRPENALTYWITHGRIDSPACINGPENALTY1.52.03.04.5~6.5PENALTYMULTTOBE'EDTOMEASUREDF1.0131.0261.0381.055ST.LUCIE-UNIT23/42-u 12.II~\1.0I~I~~0.15,1.00)~I.15,1.00)I~0a.0.8cCxIO0.60ROUNACCEPTABOPERATIONREGION~r-.(-0.3.0.75)~Irr~~rr~~~Irr~II~~~~ACCPTABLEOPERATION+REGION'I'II~rI~I~~UNACCEPTABLE'PERATIONREGIONI03075)'----~~~~-~~rr~~rr~~~~I~~~~~~0.20.0-:--~)~r~~=~~5~e~~r~IA.20.00.20.40.6PERIPHERALAXIALSHAPEINDEX(t)Rgure3.2QAXIALSHAPEINDEXoperatinIIlimitswithfourreactorcoolantpumpsoperatingST.LUCIE-UNIT23/42-12 1.11.0iRDN0.9P-0.8h0.70.6ACCEPTABLEOPERATION0.50.4-0.6P~-0.4-'0;2.0;.0'.20.4PERIPHERALAXIALSHAPEINDEXYl0.6FIGURE3.2-4AXIALSHAPEINDEXOPERATINGLIMITSMITHFOURREACTORCOOLANTPUMPSOPERATINGJST.LUCIE-UNIT23(42-12 TABLE3.2-2DNBMARGINLIMITSPARAMETERColdLegTemperature(NarrowRange)PressureizerPressureReactorCoolantFlowRateAXIALSHAPEINDEXFOURREACTORCOOLANTPUMPSOPERATINGS91535F*<T<&%F2225psia""<P<2350psia"PZR-9t'9,os>&79-~gPmFigure3.2-4Applicableonlyifpowerlevel>70KRATEDTHERMALPOWER.Limitnotapplicableduringeithera'HERMALPOWERrampincreaseinexcessof5XofRATEDTHERMALPOWERoraTHERMALPOWERstepincreaseofgreaterthanlOXofRATEDTHERMALPOWER.ST.LUCIE-UNIT23/42-15 TABLE3.3-2REACTORPROTECTIVEINSTRUHENTATIONRESPONSETIHESFUNCTIONALUNIT1.HanualReactorTrip2.VariablePowerLevel-High3.PressurizerPressure-High4.ThermalHargin/LowPressure5.ContainmentPressure-High6.SteamGeneratorPressure-Low7.SteamGeneratorPressureOifference-High8.SteamGeneratorLevel-Low9.LocalPowerDensity-HighRESPONSETIHENotApplicable<0.40second"'""<115seconds<0.90l)S<4-.SSsecond""seconds<1.15seconds<1.15seconds<1.15seconds<0.40second"'"*

TABLE3.3-4ENGINEEREDSAFETYFEATURESACTUATIONSYSTEMINSTRUMENTATIONTRIPVALUESFUNCTIONALUNIT1.SAFETYINJECTION(SIAS)a.Manual(TripButtons)b.ContainmentPressure-Highc.PressurizerPressure-Lowd.AutomaticActuationLogic2.CONTAINMENTSPRAY(CSAS)a.Manual(TripButtons)b.ContainmentPressure-High-Highc.AutomaticActuationLogic3.CONTAINMENTISOLATION(CIAS)a.ManualCIAS(TripButtons)b.SafetyIn)ection(SIAS)c.ContainmentPressure-Highd.ContainmentRadiation-Highe.AutomaticActuationLogic4.MAINSTEAMLINEISOLATIONa.Manual(TripButtons)b.SteamGeneratorPressure-.Lowc.ContainmentPressure-Highd.AutomaticActuationLogicTRIPSETPOINT'otApplicableI.v<~psig>1736psiaNotApplicableNotApplicable9'Yo<+H&psigNotApplicableNotApplicableNotApplicablepsig<10R/hrNotApplicableNotApplicable>600psia'I.7.<5'sigNotApplicablerALLOWABLEVALUESNotApplicable'/.8'b<4-.+0psig>1728psiaNotApplicableNotApplicableN.PO<9-.40psigNotApplicableNotApplicableNotApplicableyea<~psig<10R/hrNotApplicableNotApplicable>567psiag.so<~psigNotApplicable TABLE3.3-5ContinuedENGINEEREDSAFETYFEATURESRESPONSETIMESINITIATINGSIGNALANDFUNCTION2.PressurizerPressure-Lowa~b.C.d.SafetyInjection(ECCS)ContainmentIsolationShieldBuildingVentilationSystemContainmentFanCoolerse.ChargingFlow3.ContainmentPressure-Hiha.SafetyInjection(ECCS)b.ContainmentIsolationc.ShieldBuildingVentilation.Systemd.ContainmentFanCoolerse.FeedwaterIsolationf.MainSteamIsolation~~~~4.ContainmentPressure--Hih-Hiha.ContainmentSpray/IodineRemoval5.ContainmentRadiation-Hiha.ContainmentIsolati'onb.ShieldBuildingVentilationSystem6.SteamGeneratorPressure-Lowa.FeedwaterIsolationb.MainSteamIsolation7.RefuelinWaterStoraeTank-Lowa.ContainmentSumpRecirculationRESPONSETIMEINSECONDS3P0%/20Paw<21.75"/11.75~"<26.0"/10.0""<24.15*/11.15""<330.00"/180.00""3PPk/20Pkk<21.75"/11.75""<26.0"/10.0""<24.15"/ll.15""M*iAY**<6.75"/6.75**<25.65"/11.15**<26.75"/16~75""<32.75"/16.75""5/S$-.35"*<6.75/6.75""<111.15"/101.15""8.4.16kVEmerencBusUndervoltaeLossofVoltaea.LossofPower(4.16kV)bLossofPower(480V)<14<149.4.16kVEmerencBusUndervoltaeDeradedVoltae)a.LossofPower(4.16kV)b.LossofPower(480V)<12<22ST.LUCIE-UNIT23/43"20 TABLE3.3-5ContinuedENGINEEREDSAFETYFEATURESRESPONSETIMESeINITIATINGSIGNALANDFUNCTIONRESPONSETIMEINSECONDS10.SteamGeneratorLevel-Lowa.AuxiliaryFeedwaterb.FeedwaterIsolation<120*/120""(MiDP*11.FeedwaterHeaderhPa.Auxi1iaryFeedwaterb.FeedwaterIsolation120%/120AA12.SteamGeneratorhPa.Auxi1iaryFeedwaterb.FeedwaterIsolation<120"/120""<5.35"/5.35""NOTE:ResponsetimeforMotor-DrivenandSteam-DrivenAuxiliaryFeedwaterPumpsonallAFASsignalstarts<120.0TABLENOTATIONDieselgeneratorstartingandsequenceloadingdelaysincluded.Responsetimelimitincludesmovementofvalvesandattainmentofpumporblowerdischargepressure..Dieselgeneratorstartingandsequenceloadingdelaysnotincluded.Offsitepoweravailable.Responsetimelimitincludesmovementofvalvesandattainmentofpumporblowerdischargepressure.CContainmentIsolationresponsetimeisapplicabletothevalvesspecifiedinSpecification3.6.3.ST.LUCIE-UNIT23/43-21 REACTORCOOLANTSYSTEM3/4.4.3PRESSURIZER~~LIMITINGCONDITIONFOROPERATION3.4.3ThepressurizershallbeOPERABLEwithaminimumwaterlevelofgreaterthanorequalto27Kindicatedlevelandamaximumwaterleveloflessthanorequalto85Kindicatedlevelandatleasttwogroupsofpressurizerheaterscapableofbeingpoweredfrom1Ebuseseachhavinganominalcapacityofatleast150kW.APPLICABILITY:MODES1,2,and3.ACTION:a.b.Withonegroupoftheaboverequiredpressurizerheatersinoperable,restoreatleasttwogroupstoOPERABLEstatuswithin72hoursorbeinatleastHOTSTANDBYwithinthenext6hoursandinHOTSHUTDOWNwithinthefollowing6hours.Withthepressurizerotherwiseinoperable,beinatleastHOTSTANDBYwiththereactortripbreakersopenwithin6hoursandinHOTSHUTDOWNwithinthefollowing6hours.SURYEILLANCEREUIREMENTS4.4.3.1Thepressurizerwatervolumeshallbedeterminedtobewithinitslimitsatleastonceper12hours.4.4.3.2Thecapacityofeachoftheaboverequiredgroupsofpressurizerheatersshallbeverifiedtobeatleast150kWatleastonceper92days.4.4.3.3TheemergencypowersupplyforthepressurizerheatersshallbedemonstratedOPERABLEat-leastonceper18monthsbyverifyingthatonanEngineeredSafetyFeaturesActuationtestsignalconcurrentwithalossofoffsitepower:a.thepressurizerheatersareautomaticallyshedfromtheemergencypowersources,andb.thepressurizerheaterscanbereconnected.totheirrespectivebusesmanuallyfromthecontrolroom.ST.LUCIE"UNIT23/44-9

.,'.3/4.7PLANTSYSTEMS~-'/4.7.1TURBINECYCLESAFETYVALVESLIMITINGCONDITIONFOROPERATION"3.7.1.1AllmainsteamlinecodesafetyvalvesshallbeOPERABLE.<ri+t~H4e.-APPLICABILITY:MODES1,2and3.ACTION:a.Withbothreactorcoolantloopsandassociatedsteamgeneratorsinoperationandwithoneormoremainsteamlinecodesafetyvalvesinoperable,operationinMODES1,2and3mayproceedprovided,thatwithin4hours,eithertheinoperablevalveisrestoredtoOPERABLEstatu~orthePowerLevel-HightripsetpointisreducedperTable3.7-Q,otherwise,beinatleastHOTSTANDBYwithinthenext6hoursandinCOLDSHUTDOWNwithinthefollowing30hours.b.TheprovisionsofSpecification3.0.4arenotapplicable.SURVEILLANCEREUIREMENTS4.7;1.1AC4lhnN5~~~~~4+PE~~8~E.,~zI4liASc7l/hf5ydY>pwwsIBraa554o~wih/~4/g/7gg'g~dc'0'l~r~hi'Fh~sebi'ow2DuCekeA5CE8n)'(<~a~APre>>IC',iq~ve4,A<.-t'e',.ST.LUCIE-UNIT23/47-1.

TABLE3.7-1STEAMLINESAFETYVALVESPERLOOPVALVENUMBELineNo.1LineNo.2LIFTSETTING+IX"RkEDCAPACITY""744,210lb/hr744,210lb/hr744,210lb/hr744,210lb/hr774,000lb/hr774,000lb/hr774,000lb/hr774,000lb/hra.8201b.8202c.8203d.8204e.82098210g.8211h.8212.82051000psia82061000psia82071000psia82081000psia82131040psia8214y1040psia8215'4040psia82161040psiaITheliftsettingpressureshallcor'respondtoambientconditionsofthevalveatnominaloperatingtemperatureandpressure.Capacityisratedatliftsetting+3Kaccumulation./ST.LUCIE-UNIT23/47-2 TNLK3.7-1NXINNALLOMNLKPOWERLEVEL-IllGHTRIPSETPOINNITHIHOPERNLESTETERNGOPERATIIBOTISTEGEHTORSNax)~NuiiberofInoperableSafetyValvesonAn0erat3nSteaaGeneratorHaxfeumAllocablePmerLevel-IlighTripSetpolntPercentofRATEOTIIERNLPOMER93.279.866.5 rTABLE3.7-2MAXIMUMAOWABLELINEARPOWERLEVEL-HIGHTRIPSETPTWITHINOPERABLESTEAMLINEAFETYVALVESDURINGOPERATIONWITHBSTEAMGENERATORSMaximumNumberofInValvesonAn0eratinMaximumAllowableLinearPowerterableSafety.Level-HighTripSetpointSteamGeneratorPercentofRATEDTHERMALPOWER107.096.082.068.055.0ST.LUCIE-UNIT23/47-3 IgVALVENN8ERI6Headerha.8201b.8202c.8203820le.82098210g.8211h.8212Beadar882058206820782088213821482158216TABLEl.7-0STENLINESAFETYVALVESPERlOOPl.lFTSETTING4IX1000psia1000psia1000psia1000psia1040psia1040psia1040psia1040psiaORIFICESIZE16in.16in.16in.N16in.16in.16in.16in.16in.

PLANTSYSTEMSMAINFEEDWATERLINEISOLATIONVALVESLIMITINGCONDITIONFOROPERATION3.7.l.6EachmainfeedwaterlineisolationvalveshallbeOPERABLE.APPLICABILITY:MODE%1,2,3,and4.ACTION:MODE1MODES2,3-and4Withonemainfeedwaterlineisolationvalveinoperablebutopen,POWEROPERATIONmaycontinueprovidedtheinoperablevalveisrestoredtoOPERABLEstatuswithin4hours;otherwise,beinatleastHOTSTANDBYwithinthenext6hoursandinCOLDSHUTDOWNwithinthefollowing24hours.Withonemainfeedwaterlineisolationvalveinoperable,subseqentoperationinMODE2,3,or4mayproceedprovided:a.Theisolationvalveismaintainedclosed.b.TheprovisionsofSpecification3.0.4arenotapplicable.Otherwise,beinatleastHOTSTANDBYwithinthenext6hoursandinCOLDSHUTDOWNwithinthefollowing24hours.SURVEILLANCEREUIREMENTS4.7.1.6EachmainfeedwaterlineisolationvalveshallbedemonstratedOPERABLEby:'a0b.Part-strokeexercisingthevalveatleastonceper92days,and5;J$'erifyingfullclosurewithin~secondsonanyclosureactuationsignalwhileinHOTSTANDBYwithT>515'Fduringeachreactorshutdownexceptthatverification9fullclosurewithin~secondsneednotbedeterminedmoreoftenthanonceper92days.ST.LUCIE-UNIT23/47-10 3/4.1REACTIVITYCONTROLSYSTEMSBASES3/4.1.1BORATIONCONTROL3/4.1.1.1and3/4.1.1.2SHUTDOWNMARGINAsufficientSHUTDOWNMARGINensuresthat1)thereactorcanbemadesubcriticalfromalloperatingconditions,2)thereactivitytransientsassociatedwithpostulatedaccidentconditionsarecontrollablewithinacceptablelimits,and3)thereactorwillbemaintainedsufficientlysubcriticaltoprecludeinadvertentcriticalityintheshutdowncondition.SHUTDOWNMARGINrequirementsvarythroughoutcorelifeasafunctionoffueldepletion,RCSboronconcentration,andRCST.Themostrestrictiveavg'onditionoccursatEOL,withTatnoloadoperatingtemperature,and.isavgassociatedwithapostulatedsteamlinebreakaccidentandresultinguncon-trolledRCScoo'adown.Intheanalysisofthisaccident,aminimumSHUTDOWNMARGINof5.0Xdeltak/kisrequiredtocontrolthereactivitytransient.Accordingly,theSHUTDOWNMARGINrequirementisbaseduponthislimitingconditionandisconsistentwithFSARsafetyanalysisassumptions.Atearliertimesincorelife,theminimumSHUTDOWNMARGINrequiredforthemostrestric"tiveconditionsislessthan5.OXhk/k.WithTlessthanorequalto2004F,avgthereactivitytransientsresultingfromanypostulatedaccidentareminimalandag4deltak/kSHUTDOWNMARGINprovidesadequateprotection.3/4.1.1.3BORONDILUTIONAminimumflowrateofatleast3000gpmprovidesadequatemixing,preventsstratificationandensuresthatreactivitychangeswillbegradualduringboronconcentrationreductionsintheReactorCoolantSystem.Aflowrateofatleast3000gpmwillcirculateanequivalentReactorCoolantSystemvolumeof10,931cubicfeetinapproximately26minutes.Thereactivitychangerateassociatedwithboronconcentrationreductionswillthereforebewithinthecapabilityofoperatorrecognitionandcontrol.3/4.1.1.4MODERATORTEMPERATURECOEFFICIENTThelimitationsonmoderatortemperaturecoefficient(MTC)areprovidedtoensurethattheassumptionsusedintheaccidentandtransientanalysisremainvalidthrougheachfuelcycle.ThesurveillancerequirementsformeasurementoftheMTCduringeachfuelcycleareadequatetoconfirmtheMTCvaluesincethiscoe'fficientchangess'lowlydueprincipallytothereductioninRCSboronconcentrationassociatedwithfuelburnup.TheconfirmationthatthemeasuredMTCvalueiswithinitslimitprovidesassurancesthatthecoef-ficientwillbemaintainedwithinacceptablevaluesthroughouteachfuelcycle.ST.LUCIE-UNIT2B3/41-1

REACTIVITYCONTROLSYSTEMSBASES3/4.1.1.5MINIMUMTEMPERATUREFORCRITICALITYThisspecificationensuresthatthereactorwillnotbemadecriticalwiththeReactorCoolantSystemaveragetemperaturelessthan515F.Thislimitationisrequiredtoensure(1)themoderatortemperaturecoefficientis.withinitsanalyzedtemperaturerange,(2)theprotectiveinstrumentationiswithinitsnormaloperatingrange,(3)thepressurizeriscapableofbeinginanOPERABLEstatuswithasteambubble,and(4)thereactorpressurevesselisaboveitsminimumRTNDTtemperature.3/4.1.2BORATIONSYSTEMSTheboroninjectionsystemensuresthatnegativereactivitycontrolisavailableduringeachmodeoffacilityoperation.Thecomponentsrequiredtoperformthisfunctioninclude(1)boratedwatersources,(2)chargingpumps,(3)separateflowpaths,(4)boricacidmakeuppumps,(5)associatedheattracingsystems,and(6)anemergencypowersupplyfromOPERABLEdieselgenerators.WiththeRCSaveragetemperatureabove2004F,aminimumoftwoseparateandredundantboroninjectionsystemsareprovidedtoensuresinglefunctionalcapabilityintheeventanassumedfailurerendersoneofthesystemsinoperable.Allowableout-of-serviceperiodsensurethatminorcomponentrepairorcorrectiveactionmaybecompletedwithoutunduerisktooverallfacilitysafetyfrominjectionsystemfailuresduringtherepairperiod..TheborationcapabilityofeithersystemissufficienttoprovideaSHUTDOWNMARGINfromexpectedoperatingconditionso~.OXdeltak/kafterxenondecayandcooldownto200'F.ThemaximumexpectedborationcapabilityrequirementoccursatEOLfromfullpowerequilibriumxenonconditionsandrequiresboricacidsolutionfromtheboricacidmakeuptanksintheallowableconcentrationsandvolumesofSpecification3.1.2.8or72,000gallonsof1720ppm-2100ppmboratedwaterfromtherefuelingwatertank.1ttiththeRCStemperaturebelow200'FoneinjectionsystemisacceptablewithoutsinglefailureconsiderationonthebasisofthestablereactivityconditionofthereactorandtheadditionalrestrictionsprohibitingCOREALTERATIONSandpositivereactivitychangesintheeventthesingleinjectionsystembecomesinoperable.Theboroncapabilityrequiredbelow200Fisbaseduponprovidinga%odeltak/kSHUTDOWNMARGINafterxenondecayandcooldownfrom200'Fto140'F.Thisconditionrequireseither4,150gallonsof1720ppm-2100ppmboratedwaterfromtherefuelingwatertankorboricacidsolutionfromtheboricacidmakeuptanksinaccordancewiththerequirementsofSpecification3.1.2.7.Thecontainedwatervolumelimitsincludesallowanceforwaternotavailablebecauseofdischargelinelocationandotherphysicalcharacteristics.TheOPERABILITYofoneboroninjectionsystemduringREFUELINGensuresthatthissystemisavailableforreactivitycontrolwhileinMODE6.The'1imitsoncontainedwatervolumeandboronconcentrationoftheRWTalsoensureapHvalueofbetween7.0and11.0forthesolutionrecirculatedwithincontainmentafteraLOCA.ThispHbandminimizestheevolutionofiodineandminimizestheeffectofchlorideandcausticstresscorrosiononmechanicalsystemsandcomponents.ST.LUCIE-UNIT2B3/41-2 REACTIVITYCONTROLSYSTEMSBASESMOVABLECONTROLASSEMBLIES(Continued'P.ltPoverbgPureOverpowermarginisprovidedtoprotectthecoreintheeventofalargemisalignment()15inches)ofaCEA.However,thismisalignmentwouldcausedistortionofthecorepowerdistribution.Thisdistributionmay,inturn,.haveasignificanteffecton(1)theavailableSHUTDOWNMARGIN,(2)thetime-dependentlong-termpowerdistributionsrelativetothoseusedingeneratingLCOsandLSSSsetpoints,and(3)theejectedCEAworth,usedinthesafetyanalysis.Therefore,theACTIONstatementassociatedwiththelargemisalignmentofaCEArequiresapromptrealignmentofthemisalignedCEA.TheACTIONstatementsapplicabletomisalignedorinoperableCEAsincluderequirementstoaligntheOPERABLECEAsinagivengroupwiththeinoperableCEA.Conformancewiththesealignmentrequirementsbringthecore,withinashortperiodoftime,toaconfigurationconsistentwiththatassumedingeneratingLCOandLSSSsetpoints.However,extendedoperationwith'CEAssignificantlyinsertedinthecoremayleadtoperturhationsin(1)localburnup,(2)peakingfactors,and(3)availableshutdownmarginwhicharemoreadversethantheconditionsassumedtoexistinthesafetyanalysesandLCO~andLSSSsetpointsdetermination.Therefore,timelimitshavebeenimposedonoperationwithinoperableCEAstoprecludesuchadverseconditionsfromdeveloping.TherequirementtoreducepowerincertaintimelimitsdependinguponthepreviousFistoeliminateapotentialnonconservatismforsituationswhenaCEAhasbe5ndeclaredinoperable.Aworst-caseanalysishasshownthataDNBRSAFDLviolationmayoccurduringth'esecondhouraftertheCEAmisalignmentifthisrequirementisnotmet.neilet'we.ThispotentialDNBQSAFDviolationiseliminatedby~~I'wtaHBaaghhl~aplpa4!nMpowerreductions."'thesereductionswillbenece5da'FyonceeeviatedCEAhasbeendeclaredinoperable.Thistimeallowedtocontinuedoperationatareducedpowerlevelcanbepermittedforthefollowingreasons:1.ThemargincalculationswhichsupporttheTechnicalSpecificationsarebasedonasteady-stateradialpeakofF)ao2.WhentheactualF=~,significantadditionalmarginexists.l~1vT3.ThisadditionalmargincanbecreditedtooffsettheincreaseinFrwithtimethatcanoccurfollowingaCEAmisalignment.4..ThisincreaseinF.iscausedbyxenonredistribution.r5.ThepresentanalysiscansupportallowingamisalignmenttoexistforuptoPfminuteswithoutcorrection,iftheinitialFr<1.5P'.(ahST.LUCIE-UNIT2B3/41-4 POWERDISTRIBUTIONLIMITSBASESassumptionsusedinestablishingtheLinearHeatRate,ThermalMargin/LowPressureandLocalPowerDensity-HighLCOsandLSSSsetpointsremainvalid.AnAZIMUTHALPOWERTILT>0.10isnotexpectedandifitshouldoccur,subsequentoperationwouldberestrictedtoonlythoseoperationsrequiredtoidentifythecauseofthisunexpectedtilt.TherequirementthatthemeasuredvalueofTqbemutipliedbythecalculatedvaluesofFandF,todetermineFandFisapplicableonyr'xyrwhenFandFarecalculatedwithanon-fullcorepowerdistributionanalysisXyPcode.Whenmonitoringareactorcorepowerdistribution,ForFxwithafullxycorepowerdistributionanalysiscodetheazimuthaltiltisexplicitlyaccountedforaspartoftheradialpowerdistributionusedtocalculateFxandFr.TheSurveillanceRequirementsforverifyingthatF,FandTareTTwithintheirlimitsprovide.assurancethattheactualvaluesofFx,FrandTxy'donotexceedtheassumedvalues,VerifyingFandFaftereachfueelloadingpriortoexceeding75KofRATEDTHERMALPOWERprovidesadditionalassurancethatthecorewasproperlyloaded.3/4.2.5DNBPARAMETERSThelimitson,theDNB-relatedparametersassurethateachoftheparametersaremaintainedwithinthenormalsteady-stateenvelopeofoperationassumedinthetransientandsafetyanalyses.Thelimitsareconsistentwiththesafetyanalysesassumptionsandhavebeenanalyticallydemonstratedadequatetomaintainthroughouteachanalyzedtransient.4NOCrep4C.4IC~i~iice~~The12-hourperiodicsurveillanceoftheseparametersthroughinstrumentreadoutissufficienttoensurethattheparametersarerestoredwithintheirlimitsfollowing}oadchangesandotherexpectedtransientoperation.The18-monthperiodicmeasurementoftheRCStotalflowrateisadequatetodetectflowdegradationandensurecorrelationoftheflowindicationchannelswithmeasuredflowsuchthattheindicatedpercentflowwillprovidesufficientverificationofflowrateona12-hourbasis.ST.LUCIE-UNIT2B3/42-2 BURNUPOFBUNDLEGMd/MTU)TABLEB3/4.2-1PELTYTOBEAPPLIEDFTOACCOUNTRRODBOWEFECTSONDNBRADNBRPENALTYITHGRIDSPACINGDNBRPENALTY,4)PENALTYMULTIPLIERTOBEAPPIIEDTOMEASUREDF0-10.010.0-20.020.0-30.030.0"40.040.0-50.00~5,i"l.02.03.55.5l.2,.03.04.56.5l.0131.0171.0261.038l.055ST.LUCIE-UNIT2B3/42-3

%4.t$~~teGPCQC.tQ'ACflMCC.Q,t.vve.Poll~iwgpage3/.7PLANTSYSTEMSBASES3/4.7.1TURINECYCLE3/4.7.'l.1SAFYVALVESiozgTheOPERABILYoftheainsteamlinecodesafetyvalveensuresthatitsdesignpressurepsi9duringthemostsevereanticipatedsystemoperationaltransient.Themaximumrelievingcapacityisssociatedwithaturbinetripfrom100K+TEDTHERMALPOWERcoincidentwianassumedlossofcondenserheatsink(i.e>nosteambypasstothecondeser)./ThespecifiedvalvelitsettingsandrelievingcapacitiesareinaccordancewiththerequirementsofSectionIIIoftPeASIiEBoilerandPressureVesselCode,1971Edition.Thktotalrelievingcapacityforallvalvesonallofthesteamlinesis12,384,000>lbs/hrwhichisl10.0Xofthetotalsecondarysteamflowof11,172,000lbs/hratlOOXRATEDTHERMALPOWER.AminimumofoneOPERABLEsafetyvalvepersteamgeneratorensuresthatsufficientrelievingcapacityisavailableforremovingdecayheat.,STARTUPand/orPOWEROPERATIONisallowablewithsafetyvalvesinoperablewithinthelimitationsoftheACTIONregqirementsonthebasisofthereductioninsecondarysystemsteamflowandTHERMA/POWERrequiredbythereducedreactortripsettingsofthePowerLevel-Hi'channels.Thereactortripsetpointreductionsarederivedonthefolioingbases:Fortwoloopop."ationSP=(-)x110.08where:SP-IreducedreactortripsetpointinpeentofRATEDTHERMALPOWER.Thisisaratiooftheavailalerelievingcapacityoverthetotalsteamflowatratedpowr.totalnumberofsecondarysafetyvalvesoronesteamgenerator./Thenumberofinoperablesecondarysafetyvivesonthe.steamgeneratorwiththegreaternumberofioperablevalves.110.0theratioofthetotalrelievingcapacityofalsixteen(16)secondarysafetyvalves(12,384,000lbs/hrat1071/psia,maximumsetpressureplus3Xaccumulation)overthesecondarysteamflowat100MRatedThermalLoad(11,172,000lbs/hr).ST.LUCIE"UNIT2B3/47-1

/4.7PLANTSYSTEMSBASES3/4.7.1TURBINECYCLE3/4.7.1.1SAFETYVALVESTheOPERABILITYofthemainsteamlinecodesafetyvalvesensuresthatthesecondarysystempressurewillbelimitedtowithinitsdesignpressureof1025psigduringthemostsevereanticipatedsystemopera-tionaltransient.Themaximumrelievingcapacityisassociatedwithaturbinetripfrom100$RATEDTHERMALPOWERcoincidentwithanassumedlossofcondenserheatsink(i.e.,nosteambypasstothecondenser).Thespecifiedvalveliftsettingsandrelievingcapacitiesareinaccordancewiththerequirementsof.SectionIIIoftheASMEBoilerandPressureCode,1971EditionandASMECodeforPumpsandValves,ClassII.Thetotalrelievingcapacityiorallvalvesonallofthesteamlinesis12.38x10lbs/hrwhichis102.8percentthetotalsecondarysteamflowof12.04x10lbs/hrat100~>RATEDTHERMALPOWER.Aminimumof2OPERABLEsafetyvalvespersteamgeneratorensuresthatsufficientrelievingcapacityisavailableforremovingdecayheat.STARTUPand/orPOWEROPERATIONisallowablewithsafetyvalvesinoperablewithinthelimitationsoftheACTIONrequirementsonthebasisofthereductioninsecondarysystemsteamflowandTHERMALPOWERrequiredbythereducedreacto'rtripsettingsofthePowerLevel-Highchannels.Thereactortripsetpointreductionsarederivedonthefollowingbases:Fortwoloopoperation:S(X)-(Y)(V)(06.)Xwhere:SPreducedreactortripsetpointinpercentofRATEDTHECALPOWERmaximumnumberof'.inoperablesafetyvalvespersteamline106.5PowerLevel-HighTripSetpoi,ntfortwoloopoperationXeTotalrelteviogcapacityofallaa[etyvatveapersteamlineinlbs/hour(6.192x10lbs/hr.)Maximumrelievingcapaiityofanyonesafetyvalve,inlbs/hour(7.74x10lbs/hr.)ST.LUCIE-UNIT2B3/47-1 5.0DESIGNFEATURES5.1SITEEXCLUSIONAREA5.1.1TheexclusionareashallbeasshowninFigure5.1-1.LOWPOPULATIONZONE5.l.2ThelowpopulationzoneshallbeasshowninFigure5.1-1.5.2CONTAINMENTCONFIGURATION5.2.1Thereactorcontainmentbuildingisasteelbuildingofcylindricalshape,withadomeroofandhavingthefollowingdesignfeatures:a.Hominalinsidediameter=140feet.b.Nominalinsideheight=232feet.z.saCc.Netfreevolume=~x10'ubicfeet.d.Nominalthicknessofvesselwalls=2inches.e.Nominalthicknessofvesseldome=1inch.f.Hominalthicknessofvesselbottom=2inches.5.2.1.2SHIELDBUILDINGa.Min'imumannularspace=4feet.b.Annulusnominalvolume=543,000cubicfeet.c.Nominal'outsideheight(measuredfromtopoffoundationmattothetopofthedome)=228.5feet.d.Nominalinsidediameter=148feet.e.Cylinderwall.minimumthickness=3feet.f.Domeminimumthickness=2.5feet.g.Domeinsideradius=112feet.DESIGNPRESSUREANDTEMPERATURE5.2.2Thesteelreactorcontainmentbuildingisdesignedandshallbemaintainedforamaximuminternalpressureof44psigandatemperatureof264F.ST.LUCIE"UNIT25-1

5.3REACTORCOREFUELASSEMBLIESo.ndpoisonrod'loca~~<<~.All4~i~~~~otwornco4e4t.C.5.3.1Thereactorcoreshallcontain217fuelassemblieswitheachfuelassemblycontaining236fuel~cladwithZircaloy-4.Eachfu1rodsa1haveanominalactivefuellengthof136.7inchesandcontainlenrichmentof2.73weightpercentU-235.Reloadfuelshallbesimilarinphysicaldesigntotheinitialcoreloadingandshallhaveamaximumenrichmentof3.70weightpercentU-235.CONTROLELEMENTASSEMBLIESgl5.3.2ThereactorcoreshallcontainMfull-lengthcontrolelementassembliesandnopart-lengthcontrolelementassemblies.5.4REACTORCOOLANTSYSTEM5.4.1TheReactorCoolantSystemisdesignedandshallbemaintai'ned:'a~b.C.InaccordancewiththecoderequirementsspecifiedinSection5.2oftheFSARwithallowancefornormaldegradationpursuantoftheapplicableSurveillanceRequirements,Forapressureof2485psig,andForatemperatureof650~F,exceptforthepressurizerwhichis700F.ST.LUCIE-UNIT25"3