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{{#Wiki_filter:'3/4LIMITINGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTS3/4,5EMERGENCYCORECOOLINGSYSTEMS(ECCS)..SURVEILLANCEREUIREMENTSContinuedAtleastonceper18months.BoronInjectionThrottleValvesSafetyInjectionThrottleValvesValveNumberValveNumber1.1-SI-141Ll2.1-SI-141L23.I-SI-141L34.1-SI-141L41.1-SI-121N2.1-SI-121Sh.ByperformingaflowbalancetestduringshutdownfollowingcompletionofmodificationstotheECCSsubsystemthatalterthesubsystemflowcharacteristicsandverifyingthefollowingflowrates:BoronInjectionSystemSinglePump*SafetyInjectionSystemSinglePump~~Loop1BoronInjectionFlow117.5gpmLoop2BoronInjectionFlow117.5gpmLoop1and4ColdLegFlow2300gpmLoop2and3ColdLegFlow2300gpmLoop3BoronInjectionFlowCombinedLoop1,2,3and4ColdLeg117.5gpmFlow(singlepump)lessthanorequalto640gpm.TotalSIS(singlepump)flow,includingLoop4BoronInjectionFlowminifiow,shallnotexceed00gpm.117.5gpmpfppZ~anrc'sf~~pampr3'pEdw//p~/Jy4cP/A~~c7Pgf~t~t+~4v~+7~~~~gggpg~~~~eflowrateineachBoronInjection(BI)lineshouldbejustedtoprovide117.5gpm(nominal)flowineachloop.Undertheseconditionsthereiszerominifloand80gpmplusorminus5gpmsimulatedRCPsealinjectionlineflow.TheactualflowineachBIlinemaydeviatefromthenominalsolongas:a)thedifferencebetweenthehighestandlowestflowis25gpmorless.b)thetotalflowtothefourbranchlinesdoesnotexceed470gpm.c)theminimumflow(totalfiow)throughthethreemostconservative(lowestfiow)branchlinesmustnotbelessthan300gpm.d)thechargingpumpdischargeresistance(2.31xPd/Qd)mustnotbelessthan4.73E-3ft/gpmandmustnotbegreaterthan9.27E-3ft/gpm2,(Pdisthepumpdischargepressureatrunout;Qdisthetotalpumpflowrate.)COOKNUCLEARPLANT-UNITIPage3/454AMENDMENTQ8,12698092200849809i4PDR,ADOCK05000Si5P'DR 1a EMERGENCYCORECOOLINGSYSTEMWiththeRCStemperaturebelow350F,oneOPERABLEECCSsubsystemisacceptablewithoutsinglefai.luxeconsiderationonthebasisofthestablereactivityconditionofthereactorandthelimitedcorecoolingrequirements.Thelimi.tationforamaximumofonecentrifugalchargingpumptobeOPERABLEandtheSurveillanceRequirementtoverifyallchargingpumpsandsafetyinfectionpumps,excepttherequiredOPERABLEchargingpump,tobeinopex'ablebelow152Fprovicesassurancethatamassaddi.tionpressuretransientcanberelievedbytheoperationof'singlePORV.TheSurveillanceRequirementspxovidedtoensureOPERABILITYofeachcomponentensux'esthatataminimum,theassumpti.onsusedinthesafetyanalysesaxemetandthatsubsystemOPERABILITYismaintained.Survei.llancerequirementsforthrottlevalvepositionstopsandflowbalancetestingprovideassurancethatproperECCSflowswillbemaintainedintheeventofaLOCA.Maintenanceofproperflowresistanceandpressuredropinthepipingsystemtoeachinjectionpointisnecessaryto:(1)preventtotalpumpflowfromexceedXnrunoutconditionswhenthesystemisinitsminimumresistanceconfi.guratio(2)px'ovidetheproperflowsplitbetweenin)ectionpointsinaccordancewi.ththeassumptionsusedintheECCS-LOCAanalyses,and(3)provideanacceptableleveloftotalECCSflowtoallin)ectionpointsequaltoorabovethatassumedintheECCS-LOCAanalyses.nial~+P4~~>i~A</np'~cHzo~male~a7~@c~eZ~cr'nPZOYrDw/~py~~~oQcgAw+g~~~gpr4'vYcpi&gZ+><+>uwPi~sdurcdous+Jao'~Podydee~<e~ZXP4ne~VE5+/+ranvro~XP>r+rn4'7'SPY/MS~+aml~~/6'~gP"~MpM+gAMCOOKNUCLEARPLANT-UNIT1B3/45-2AMENDMENTNO.gJr.gingf67, UNITNO.2 3/4LIMITINGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTS3/4,5EMERGENCYCORECOOLINGSYSTEMS(ECCS)SURVEILLANCEREUIREMENTSContinued2.Atleastonceper18months.BoronInjectionThrottleValvesValveNumberSafetyInjectionThrottleValvesValveNumber1.2-SI-141Ll2.2-SI-141L23.2-SI-141L34.2-SI-141L41.2-SI-121N2.2-SI-121Sh.ByperformingaflowbalancetestduringshutdownfollowingcompletionofmodificationstotheECCSsubsystemthatalterthesubsystemflowcharacteristicsandverifyingthefollowingflowrates:BoronInjectionSystemSinglePumpSafetyInjectionSystemSinglePumpLoop1Boron117.5gpmLoop2Boron117.5gpmLoop3Boron117.5gpmLoop4Boron117.5gpmInjectionFlowInjectionFlowInjectionFlowInjectionFlowLoop1and4ColdLegFlowgreaterthanorequalto300gpmLoop2and3ColdLegFlowgreaterthanorequalto300gpmCombinedLoop1,2,3and4ColdLegFlow(singlepump)lessthanorequalto640gpm.TotalSIS(singlepump)flow,includingminiflow,shallnotexceed700gpm.67S/<gunwnl~g~Ave~~~~ggpm~/~+~~ago~Ag/hd'r//o~updo~7ma+/maser'lTheflowrateineachboroninjection(Bl)lineshouldbeadjustedtoprovide117.5gpm(nominal)flowintoeachloop.Undertheseconditionsthereiszeromini-flowand80gpmplusorminus5gpmsimulatedRCPsealinjectionlineflow.TheactualflowineachBIlinemaydeviatefromthenominalsolongas;a)thedifferencebetweenthehighestandlowestflowis25gpmorless.b)thetotalflowtothefourbranchlinesdoesnotexceed470gpm.~c)theminimumfiowthroughthethreemostconservative(lowestflow)branchlinesmustnotbelessthan300gpm,d)thechargingpumpdischargeresistance(2.31xPd/Qd)mustnotbelessthan4.73E-3ft/gpmandmustnotbegreaterthan9.27E-3ft/gpm,(Pdisthepumpdischargepressureatrunout;Qdisthetotalpumpfiowrate).COOKNUCLEARPLANT-UNIT2Page3/45-6AMENDMENT64,134 EMERGENCYCSEECOOLZNCSYST~'fSBASESr.0PiththeRCStern'peraturebeloM350F,oneOPERABLEECCSsubsystemisacceptablewithoutsinglefailureconsideration,onthebasisofthestabLereactivityconditionofthereactorandthelimitedcorecoolingrequirements.ThelimicationforamaximumofonecencrifugalchargingpumptobeOPERABLEandtheSurveillanceRequirementtoverifyallchargingpumpsandsafetyinjectionpumps,excepctherequiredOPERABLEchargingpump,cobeinoperablebelowl52Fprovidesassurancethatamassadditionpressurecransienccanbe0relievedbytheoperationofasinglePORV.TheSurveillanceRequirementsprovidedtoensureOPERABILITYofeachcomponen-ensuresthatacaminimum,theassumptionsusedinthesafetyanalysesareme"andthatsubsyscemOPERABILITYismaintained.SurveillancerequirementsforthroctlevalveposicionstopsandflovbalancetestingprovideassurancechatproperECCSflowsvillbemaintainedintheevencofaLOCA.-Maintenanceofproperfle~resistanceandpressuredropinthepipingsystemtoeachinjectionpointisnecessaryco:(l)preventtotalpumpflowfromexceedingrunouccondicionsMhenthesyscemisinitsminimumresiscanceconfiguratio(2)providetheproperfloMsplitbecveeninjectionpointsinaccordancewiththeassumptionsusedintheECCS-LOCAanalyses,and(3)provideanacceptableleveloftotal'ECCSflowtoallinjectionpoincsequalcoorabovethatassumedintheECCS-LOCAanalyses.&/%net~IJn'~rW~H~r~~cPua'WprWt~WN7/e'erreu/~rAren~Ncz~(Err'N+Arraspre~rerrn~1~X>&+en+reNun~de<'A)~~<+~+@+<rX+Dve~pewr~~rs~vcwer'~~We~K~&#xc3;p5inop~rc4'8'rvraN4+acrec'u/avruol><<4PCOOKNUCLEARPLANT-UNET2B3/45-2AMENDMENTNo.SS,147.  
{{#Wiki_filter:'3/4LIMITINGCONDITIONS FOROPERATION ANDSURVEILLANCE REQUIREMENTS 3/4,5EMERGENCY CORECOOLINGSYSTEMS(ECCS)..SURVEILLANCE REUIREMENTS Continued Atleastonceper18months.BoronInjection ThrottleValvesSafetyInjection ThrottleValvesValveNumberValveNumber1.1-SI-141Ll2.1-SI-141L23.I-SI-141L34.1-SI-141L41.1-SI-121N2.1-SI-121Sh.Byperforming aflowbalancetestduringshutdownfollowing completion ofmodifications totheECCSsubsystem thatalterthesubsystem flowcharacteristics andverifying thefollowing flowrates:BoronInjection SystemSinglePump*SafetyInjection SystemSinglePump~~Loop1BoronInjection Flow117.5gpmLoop2BoronInjection Flow117.5gpmLoop1and4ColdLegFlow2300gpmLoop2and3ColdLegFlow2300gpmLoop3BoronInjection FlowCombinedLoop1,2,3and4ColdLeg117.5gpmFlow(singlepump)lessthanorequalto640gpm.TotalSIS(singlepump)flow,including Loop4BoronInjection Flowminifiow, shallnotexceed00gpm.117.5gpmpfppZ~anrc'sf~~pampr3'pEdw//p~/Jy 4cP/A~~c7Pgf~t~t+~4v~+7~~~~gggpg~~
~b4nh ATTACHMENT3TOAEP:NRC:1274PROPOSEDAMENDMENTTOTHEDONALDC.COOKNUCLEARPLANTUNITSNO.1AND2TECHNICALSPECIFICATIONSAFETYINJECTIONPUMPRUNOUTFLOWLIMITS 0
~~eflowrateineachBoronInjection (BI)lineshouldbejustedtoprovide117.5gpm(nominal) flowineachloop.Undertheseconditions thereiszerominifloand80gpmplusorminus5gpmsimulated RCPsealinjection lineflow.TheactualflowineachBIlinemaydeviatefromthenominalsolongas:a)thedifference betweenthehighestandlowestflowis25gpmorless.b)thetotalflowtothefourbranchlinesdoesnotexceed470gpm.c)theminimumflow(totalfiow)throughthethreemostconservative (lowestfiow)branchlinesmustnotbelessthan300gpm.d)thechargingpumpdischarge resistance (2.31xPd/Qd)mustnotbelessthan4.73E-3ft/gpmandmustnotbegreaterthan9.27E-3ft/gpm2,(Pdisthepumpdischarge pressureatrunout;Qdisthetotalpumpflowrate.)COOKNUCLEARPLANT-UNIT IPage3/454AMENDMENT Q8,1269809220084 9809i4PDR,ADOCK05000Si5P'DR 1a EMERGENCY CORECOOLINGSYSTEMWiththeRCStemperature below350F,oneOPERABLEECCSsubsystem isacceptable withoutsinglefai.luxeconsideration onthebasisofthestablereactivity condition ofthereactorandthelimitedcorecoolingrequirements.
3/4LIMITINGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTS3/4.5EMERGENCYCORECOOLINGSYSTEMS(ECCS)SURVEILLANCEREUIREMENTSContinuedAtleastonceper18months.BoronInjectionThrottleValvesSafetyInjectionThrottleValvesValveNumberValveNumber1.1-SI-141Ll2.1-SI-141L23.1-SI-141L34.1-SI-141L41.1-SI-121N2.1-SI-121Sh.ByperformingaflowbalancetestduringshutdownfollowingcompletionofmodificationstotheECCSsubsystemthatalterthesubsystemflowcharacteristicsandverifyingthefollowingflowrates:BoronInjectionSystemSinglePump*SafetyInjectionSystemSinglePump**Loop1BoronInjectionFlow117.5gpmLoop1and4ColdLegFlow2300gpmLoop2BoronInjectionFlow117.5gpmLoop2and3ColdLegFlow2300gpmLoop3BoronInjectionFlow117.5gpniLoop4BoronInjectionFlow117.5gpmCombinedLoop1,2,3and4ColdLegFlow(singlepump)lessthanorequalto640gpm.TotalSIS(singlepump)flow,including-miniflow,shallnotexceed675gpmunlessthepumpisspecificallyqualifiedtoahigherflowuptoamaximumof700gpm.*TheflowrateineachBoronInjection(BI)lineshouldbeadjustedtoprovide117.5gpm(nominal)flowineachloop.Undertheseconditionsthereiszerominiflowand80gpmplusorminus5gpmsimulatedRCPsealinjectionlineflow.TheactualflowineachBIlinemaydeviatefromthenominalsolongas:a)thedifferencebetweenthehighestandlowestflowis25gpmorless.b)thetotalflowtothefourbranchlinesdoesnotexceed470gpm.c)theminimumflow(totalflow)throughthethreemostconservative(lowestflow)branchlinesmustnotbelessthan300gpm.d)thechargingpumpdischargeresistance(2.31xPd/Qd)mustnotbelessthan4.73E-3ft/gpmandmustnotbegreaterthan9.27E-3ft/gpm2,(Pdisthepumpdischargepressureatrunout;Qdisthetotalpumpflowrate.)COOKNUCLEARPLANT-UNIT1Page3/45-6AMENDMENT98,426, 3/4BASES3/4.5EMERGENCYCORECOOLINGSYSTEMS3/4.5.'2and3/4.5.3ECCSSUBSYSTEMSContinuedWiththeRCStemperaturebelow350'F,oneOPERABLEECCSsubsystemisacceptablewithoutsinglefailureconsiderationonthebasisofthestablereactivityconditionofthereactorandthelimitedcorecoolingrequirements.ThelimitationforamaximumofonecentrifugalchargingpumptobeOPERABLEandtheSurveillanceRequirementtoverifyallchargingpumpsandsafetyinjectionpumps,excepttherequiredOPERABLEchargingpump,tobeinoperablebelow152'FprovidesassurancethatamassadditionpressuretransientcanberelievedbytheoperationofasinglePORV.TheSurveillanceRequirementsprovidedtoensureOPERABILITYofeachcomponentensuresthatataminimum,theassumptionsusedinthesafetyanalysesaremetandthatsubsystemOPERABILITYismaintained.SurveillancerequirementsforthrottlevalvepositionstopsandflowbalancetestingprovideassurancethatproperECCSflowswillbemaintainedintheeventofaLOCA.Maintenanceofproperflowresistanceandpressuredropinthepipingsystemtoeachinjectionpointisnecessaryto:(1)preventtotalpumpflowfromexcccdingrunoutconditionswhenthesystemisinitsminimumresistanceconfiguration*,(2)providetheproperflowsplitbetweeninjectionpointsinaccordancewiththeassumptionsusedintheECCS-LOCAanalyses,and(3)provideanacceptableleveloftotalECCSflowtoallinjectionpointsequaltoorabovethatassumedintheECCS-LOCAanalyses.ObservingtheselimitswhileflowbalancingtheSIpumpsintheinjectionmodewillensuretheyarenotexceededintherecirculationmode(RHRpumpsprovidingasuctionpressureboost)duetothehighersystemresistanceresultingfromsplittingoftheSltrainswhenintherecirculationlineup.COOKNUCLEARPLANT-UNIT1PageB3/45-2AMENDMENT88,488,4CP, AJ 3/4LIMITINGCONDITIONSFOROPERATIONANDSURVEILLANCEREQUIREMENTS3/4.5EMERGENCYCORECOOLINGSYSTEMS(ECCS)SURVEILLANCEREUIREMENTSContinued2.Atleastonceper18months.BoronInjectionThrottleValvesValveNumberSafetyInjectionThrottleValvesValveNumber1.2-SI-141L12.2-SI-141L23.2-SI-141L34.2-SI-141L41.2-SI-121N2.2-SI-121Sh.ByperformingaflowbalancetestduringshutdownfollowingcompletionofmodificationstotheECCSsubsystemthatalterthesubsystemflowcharacteristicsandverifyingthefollowingflowrates:BoronInjectionSystemSinglePumpLoop1BoronInjectionFlow117.5gpmLoop2BoronInjectionFlow117.5gpmLoop3BoronInjectionFlow117.5gpmLoop4BoronInjectionFlow117.5gpmSafetyInjectionSystemSinglePumpLoop1and4ColdLegFlowgreaterthanorequalto300gpmLoop2and3ColdLegFlowgreaterthanorequalto300gpmCombinedLoop1,2,3and4ColdLegFlow(singlepump)lessthanorequalto640gpm.TotalSIS(singlepump)flow,includingminiflow,shallnotexceed675gpmunlessthepumpisspecificallyqualifiedtoahigherfiowuptoamaximumof700gpm.Theflowrateineachboroninjection(BI)lineshouldbeadjustedtoprovide117.5gpm(nominal)flowintoeachloop.Undertheseconditionsthereiszeromini-flowand80gpmplusorminus5gpmsimulatedRCPsealinjectionlineflow.TheactualflowineachBIlinemaydeviatefromthenominalsolongas:a)thedifferencebetweenthehighestandlowestflowis25gpmorless.b)thetotalflowtothefourbranchlinesdoesnotexceed470gpm.c)theminimumflowthroughthethreemostconservative(lowestflow)branchlinesmustnotbelessthan300gpm,d)thechargingpumpdischargeresistance(2.31xPd/Qd)mustnotbelessthan4.73E-3ft/gpmandmustnotbegreaterthan9.27E-3ft/gpm2,(Pdisthepumpdischargepressureatrunout;Qdisthetotalpumpflowrate).COOKNUCLEARPLANT-UNIT2Page3/45-6AMENDMENT64,434, r3/4BASES3/4.5EMERGENCYCORECOOLINGSYSTEMS3/4.5'.2and3'/4.5.3ECCSSUBSYSTEMSContinuedWiththeRCStemperaturebelow350'F,oneOPERABLEECCSsubsystemisacceptablewithoutsinglefailureconsiderationonthebasisofthestablereactivityconditionofthereactorandthelimitedcorecoolingrequirements.ThelimitationforamaximumofonecentrifugalchargingpumptobeOPERABLEandtheSurveillanceRequirementtoverifyallchargingpumpsandsafetyinjectionpumps,excepttherequiredOPERABLEchargingpump,tobeinoperablebelow152'FprovidesassurancethatamassadditionpressuretransientcanberelievedbytheoperationofasinglePORV.TheSurveillanceRequirementsprovidedtoensureOPERABILITYofeachcomponentensuresthatataminimum,theassumptionsusedinthesafetyanalysesaremetandthatsubsystemOPERABILITYismaintained.SurveillancerequirementsforthrottlevalvepositionstopsandflowbalancetestingprovideassurancethatproperECCSflowswillbemaintainedintheeventofaLOCA.Maintenanceofproperflowresistanceandpressuredropinthepipingsystemtoeachinjectionpointisnecessaryto:(1)preventtotalpumpflowfromexceedingrunoutconditionswhenthesystemisinitsminimumresistanceconfiguration*,(2)providetheproperflowsplitbetweeninjectionpointsinaccordancewiththeassumptionsusedintheECCS-LOCAanalyses,and(3)provideanacceptableleveloftotalECCSflowtoallinjectionpointsequaltoorabovethatassumedintheECCS-LOCAanalyses.ObservingtheselimitswhileflowbalancingtheSIpumpsintheinjectionmodewillensuretheyarenotexceededintherecirculationmode(RHRpumpsprovidingasuctionpressureboost)duetothehighersystemresistanceresultingfromsplittingoftheSItrainswhenintherecirculationlineup.COOKNUCLEARPLANT-UNIT2PageB3/45-2AMENDMENTBQ,kQ,}}
Thelimi.tation foramaximumofonecentrifugal chargingpumptobeOPERABLEandtheSurveillance Requirement toverifyallchargingpumpsandsafetyinfection pumps,excepttherequiredOPERABLEchargingpump,tobeinopex'able below152Fprovicesassurance thatamassaddi.tion pressuretransient canberelievedbytheoperation of'singlePORV.TheSurveillance Requirements pxovidedtoensureOPERABILITY ofeachcomponent ensux'esthatataminimum,theassumpti.ons usedinthesafetyanalysesaxemetandthatsubsystem OPERABILITY ismaintained.
Survei.llance requirements forthrottlevalvepositionstopsandflowbalancetestingprovideassurance thatproperECCSflowswillbemaintained intheeventofaLOCA.Maintenance ofproperflowresistance andpressuredropinthepipingsystemtoeachinjection pointisnecessary to:(1)preventtotalpumpflowfromexceedXnrunoutconditions whenthesystemisinitsminimumresistance confi.guratio (2)px'ovidetheproperflowsplitbetweenin)ection pointsinaccordance wi.ththeassumptions usedintheECCS-LOCA
: analyses, and(3)provideanacceptable leveloftotalECCSflowtoallin)ection pointsequaltoorabovethatassumedintheECCS-LOCA analyses.
nial~+P4~~>i~A</np'~cHzo~male~a7~@c~eZ~cr'n PZOYrDw/~py~~~oQcgAw+g~~~gpr4'vYcpi&g Z+><+>uwPi~sdurcdous+Jao'~Podydee~<e~ZXP4ne~
VE5+/+ran vro~XP>r+rn4'7'SPY/MS~+aml~~/6'~gP"~MpM+gAM COOKNUCLEARPLANT-UNIT1B3/45-2AMENDMENT NO.gJr.gingf67, UNITNO.2 3/4LIMITINGCONDITIONS FOROPERATION ANDSURVEILLANCE REQUIREMENTS 3/4,5EMERGENCY CORECOOLINGSYSTEMS(ECCS)SURVEILLANCE REUIREMENTS Continued 2.Atleastonceper18months.BoronInjection ThrottleValvesValveNumberSafetyInjection ThrottleValvesValveNumber1.2-SI-141Ll2.2-SI-141L23.2-SI-141L34.2-SI-141L41.2-SI-121N2.2-SI-121Sh.Byperforming aflowbalancetestduringshutdownfollowing completion ofmodifications totheECCSsubsystem thatalterthesubsystem flowcharacteristics andverifying thefollowing flowrates:BoronInjection SystemSinglePumpSafetyInjection SystemSinglePumpLoop1Boron117.5gpmLoop2Boron117.5gpmLoop3Boron117.5gpmLoop4Boron117.5gpmInjection FlowInjection FlowInjection FlowInjection FlowLoop1and4ColdLegFlowgreaterthanorequalto300gpmLoop2and3ColdLegFlowgreaterthanorequalto300gpmCombinedLoop1,2,3and4ColdLegFlow(singlepump)lessthanorequalto640gpm.TotalSIS(singlepump)flow,including
: miniflow, shallnotexceed700gpm.67S/<gunwnl~g~Ave~~~~ggpm~/~+~~a go~Ag/hd'r//o~updo~7ma+/maser
'lTheflowrateineachboroninjection (Bl)lineshouldbeadjustedtoprovide117.5gpm(nominal) flowintoeachloop.Undertheseconditions thereiszeromini-flow and80gpmplusorminus5gpmsimulated RCPsealinjection lineflow.TheactualflowineachBIlinemaydeviatefromthenominalsolongas;a)thedifference betweenthehighestandlowestflowis25gpmorless.b)thetotalflowtothefourbranchlinesdoesnotexceed470gpm.~c)theminimumfiowthroughthethreemostconservative (lowestflow)branchlinesmustnotbelessthan300gpm,d)thechargingpumpdischarge resistance (2.31xPd/Qd)mustnotbelessthan4.73E-3ft/gpmandmustnotbegreaterthan9.27E-3ft/gpm,(Pdisthepumpdischarge pressureatrunout;Qdisthetotalpumpfiowrate).COOKNUCLEARPLANT-UNIT 2Page3/45-6AMENDMENT 64,134 EMERGENCY CSEECOOLZNCSYST~'fSBASESr.0PiththeRCStern'perature beloM350F,oneOPERABLEECCSsubsystem isacceptable withoutsinglefailureconsideration, onthebasisofthestabLereactivity condition ofthereactorandthelimitedcorecoolingrequirements.
Thelimication foramaximumofonecencrifugal chargingpumptobeOPERABLEandtheSurveillance Requirement toverifyallchargingpumpsandsafetyinjection pumps,excepctherequiredOPERABLEchargingpump,cobeinoperable belowl52Fprovidesassurance thatamassadditionpressurecransienc canbe0relievedbytheoperation ofasinglePORV.TheSurveillance Requirements providedtoensureOPERABILITY ofeachcomponen-ensuresthatacaminimum,theassumptions usedinthesafetyanalysesareme"andthatsubsyscem OPERABILITY ismaintained.
Surveillance requirements forthroctlevalveposicionstopsandflovbalancetestingprovideassurance chatproperECCSflowsvillbemaintained intheevencofaLOCA.-Maintenance ofproperfle~resistance andpressuredropinthepipingsystemtoeachinjection pointisnecessary co:(l)preventtotalpumpflowfromexceeding runouccondicions Mhenthesyscemisinitsminimumresiscance configuratio (2)providetheproperfloMsplitbecveeninjection pointsinaccordance withtheassumptions usedintheECCS-LOCA
: analyses, and(3)provideanacceptable leveloftotal'ECCS flowtoallinjection poincsequalcoorabovethatassumedintheECCS-LOCA analyses.
&/%net~IJn'~rW~H~r~~cPua'Wpr Wt~WN7/e'erreu/~rAren
~Ncz~(Err'N+Arraspre~rerrn~1~X>&+en+reNun~de<'A)~~<+~+@+<rX+Dve~pewr~~rs~vcwer'~~We~K~&#xc3;p5inop~rc4'8'rvraN4+acrec'u/avruo l><<4PCOOKNUCLEARPLANT-UNET2B3/45-2AMENDMENT No.SS,147.  
~b4nh ATTACHMENT 3TOAEP:NRC:1274 PROPOSEDAMENDMENT TOTHEDONALDC.COOKNUCLEARPLANTUNITSNO.1AND2TECHNICAL SPECIFICATION SAFETYINJECTION PUMPRUNOUTFLOWLIMITS 0
3/4LIMITINGCONDITIONS FOROPERATION ANDSURVEILLANCE REQUIREMENTS 3/4.5EMERGENCY CORECOOLINGSYSTEMS(ECCS)SURVEILLANCE REUIREMENTS Continued Atleastonceper18months.BoronInjection ThrottleValvesSafetyInjection ThrottleValvesValveNumberValveNumber1.1-SI-141Ll2.1-SI-141L23.1-SI-141L34.1-SI-141L41.1-SI-121N2.1-SI-121Sh.Byperforming aflowbalancetestduringshutdownfollowing completion ofmodifications totheECCSsubsystem thatalterthesubsystem flowcharacteristics andverifying thefollowing flowrates:BoronInjection SystemSinglePump*SafetyInjection SystemSinglePump**Loop1BoronInjection Flow117.5gpmLoop1and4ColdLegFlow2300gpmLoop2BoronInjection Flow117.5gpmLoop2and3ColdLegFlow2300gpmLoop3BoronInjection Flow117.5gpniLoop4BoronInjection Flow117.5gpmCombinedLoop1,2,3and4ColdLegFlow(singlepump)lessthanorequalto640gpm.TotalSIS(singlepump)flow,including
-miniflow, shallnotexceed675gpmunlessthepumpisspecifically qualified toahigherflowuptoamaximumof700gpm.*TheflowrateineachBoronInjection (BI)lineshouldbeadjustedtoprovide117.5gpm(nominal) flowineachloop.Undertheseconditions thereiszerominiflowand80gpmplusorminus5gpmsimulated RCPsealinjection lineflow.TheactualflowineachBIlinemaydeviatefromthenominalsolongas:a)thedifference betweenthehighestandlowestflowis25gpmorless.b)thetotalflowtothefourbranchlinesdoesnotexceed470gpm.c)theminimumflow(totalflow)throughthethreemostconservative (lowestflow)branchlinesmustnotbelessthan300gpm.d)thechargingpumpdischarge resistance (2.31xPd/Qd)mustnotbelessthan4.73E-3ft/gpmandmustnotbegreaterthan9.27E-3ft/gpm2,(Pdisthepumpdischarge pressureatrunout;Qdisthetotalpumpflowrate.)COOKNUCLEARPLANT-UNIT 1Page3/45-6AMENDMENT 98,426, 3/4BASES3/4.5EMERGENCY CORECOOLINGSYSTEMS3/4.5.'2and3/4.5.3ECCSSUBSYSTEMS Continued WiththeRCStemperature below350'F,oneOPERABLEECCSsubsystem isacceptable withoutsinglefailureconsideration onthebasisofthestablereactivity condition ofthereactorandthelimitedcorecoolingrequirements.
Thelimitation foramaximumofonecentrifugal chargingpumptobeOPERABLEandtheSurveillance Requirement toverifyallchargingpumpsandsafetyinjection pumps,excepttherequiredOPERABLEchargingpump,tobeinoperable below152'Fprovidesassurance thatamassadditionpressuretransient canberelievedbytheoperation ofasinglePORV.TheSurveillance Requirements providedtoensureOPERABILITY ofeachcomponent ensuresthatataminimum,theassumptions usedinthesafetyanalysesaremetandthatsubsystem OPERABILITY ismaintained.
Surveillance requirements forthrottlevalvepositionstopsandflowbalancetestingprovideassurance thatproperECCSflowswillbemaintained intheeventofaLOCA.Maintenance ofproperflowresistance andpressuredropinthepipingsystemtoeachinjection pointisnecessary to:(1)preventtotalpumpflowfromexcccding runoutconditions whenthesystemisinitsminimumresistance configuration*,
(2)providetheproperflowsplitbetweeninjection pointsinaccordance withtheassumptions usedintheECCS-LOCA
: analyses, and(3)provideanacceptable leveloftotalECCSflowtoallinjection pointsequaltoorabovethatassumedintheECCS-LOCA analyses.
Observing theselimitswhileflowbalancing theSIpumpsintheinjection modewillensuretheyarenotexceededintherecirculation mode(RHRpumpsproviding asuctionpressureboost)duetothehighersystemresistance resulting fromsplitting oftheSltrainswhenintherecirculation lineup.COOKNUCLEARPLANT-UNIT 1PageB3/45-2AMENDMENT 88,488,4CP, AJ 3/4LIMITINGCONDITIONS FOROPERATION ANDSURVEILLANCE REQUIREMENTS 3/4.5EMERGENCY CORECOOLINGSYSTEMS(ECCS)SURVEILLANCE REUIREMENTS Continued 2.Atleastonceper18months.BoronInjection ThrottleValvesValveNumberSafetyInjection ThrottleValvesValveNumber1.2-SI-141L12.2-SI-141L23.2-SI-141L34.2-SI-141L41.2-SI-121N2.2-SI-121Sh.Byperforming aflowbalancetestduringshutdownfollowing completion ofmodifications totheECCSsubsystem thatalterthesubsystem flowcharacteristics andverifying thefollowing flowrates:BoronInjection SystemSinglePumpLoop1BoronInjection Flow117.5gpmLoop2BoronInjection Flow117.5gpmLoop3BoronInjection Flow117.5gpmLoop4BoronInjection Flow117.5gpmSafetyInjection SystemSinglePumpLoop1and4ColdLegFlowgreaterthanorequalto300gpmLoop2and3ColdLegFlowgreaterthanorequalto300gpmCombinedLoop1,2,3and4ColdLegFlow(singlepump)lessthanorequalto640gpm.TotalSIS(singlepump)flow,including
: miniflow, shallnotexceed675gpmunlessthepumpisspecifically qualified toahigherfiowuptoamaximumof700gpm.Theflowrateineachboroninjection (BI)lineshouldbeadjustedtoprovide117.5gpm(nominal) flowintoeachloop.Undertheseconditions thereiszeromini-flow and80gpmplusorminus5gpmsimulated RCPsealinjection lineflow.TheactualflowineachBIlinemaydeviatefromthenominalsolongas:a)thedifference betweenthehighestandlowestflowis25gpmorless.b)thetotalflowtothefourbranchlinesdoesnotexceed470gpm.c)theminimumflowthroughthethreemostconservative (lowestflow)branchlinesmustnotbelessthan300gpm,d)thechargingpumpdischarge resistance (2.31xPd/Qd)mustnotbelessthan4.73E-3ft/gpmandmustnotbegreaterthan9.27E-3ft/gpm2,(Pdisthepumpdischarge pressureatrunout;Qdisthetotalpumpflowrate).COOKNUCLEARPLANT-UNIT 2Page3/45-6AMENDMENT 64,434, r3/4BASES3/4.5EMERGENCY CORECOOLINGSYSTEMS3/4.5'.2and3'/4.5.3ECCSSUBSYSTEMS Continued WiththeRCStemperature below350'F,oneOPERABLEECCSsubsystem isacceptable withoutsinglefailureconsideration onthebasisofthestablereactivity condition ofthereactorandthelimitedcorecoolingrequirements.
Thelimitation foramaximumofonecentrifugal chargingpumptobeOPERABLEandtheSurveillance Requirement toverifyallchargingpumpsandsafetyinjection pumps,excepttherequiredOPERABLEchargingpump,tobeinoperable below152'Fprovidesassurance thatamassadditionpressuretransient canberelievedbytheoperation ofasinglePORV.TheSurveillance Requirements providedtoensureOPERABILITY ofeachcomponent ensuresthatataminimum,theassumptions usedinthesafetyanalysesaremetandthatsubsystem OPERABILITY ismaintained.
Surveillance requirements forthrottlevalvepositionstopsandflowbalancetestingprovideassurance thatproperECCSflowswillbemaintained intheeventofaLOCA.Maintenance ofproperflowresistance andpressuredropinthepipingsystemtoeachinjection pointisnecessary to:(1)preventtotalpumpflowfromexceeding runoutconditions whenthesystemisinitsminimumresistance configuration*,
(2)providetheproperflowsplitbetweeninjection pointsinaccordance withtheassumptions usedintheECCS-LOCA
: analyses, and(3)provideanacceptable leveloftotalECCSflowtoallinjection pointsequaltoorabovethatassumedintheECCS-LOCA analyses.
Observing theselimitswhileflowbalancing theSIpumpsintheinjection modewillensuretheyarenotexceededintherecirculation mode(RHRpumpsproviding asuctionpressureboost)duetothehighersystemresistance resulting fromsplitting oftheSItrainswhenintherecirculation lineup.COOKNUCLEARPLANT-UNIT 2PageB3/45-2AMENDMENT BQ,kQ,}}

Revision as of 07:09, 29 June 2018

Proposed Tech Specs Page 3/4 5-6,revising Runout Limits for SI Pump to 675 Gpm Unless Pump Is Specifically Tested to Higher Flow Rate Not Exceeding 700 Gpm
ML17335A234
Person / Time
Site: Cook  American Electric Power icon.png
Issue date: 09/14/1998
From:
INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
Shared Package
ML17335A233 List:
References
NUDOCS 9809220084
Download: ML17335A234 (14)


Text

'3/4LIMITINGCONDITIONS FOROPERATION ANDSURVEILLANCE REQUIREMENTS 3/4,5EMERGENCY CORECOOLINGSYSTEMS(ECCS)..SURVEILLANCE REUIREMENTS Continued Atleastonceper18months.BoronInjection ThrottleValvesSafetyInjection ThrottleValvesValveNumberValveNumber1.1-SI-141Ll2.1-SI-141L23.I-SI-141L34.1-SI-141L41.1-SI-121N2.1-SI-121Sh.Byperforming aflowbalancetestduringshutdownfollowing completion ofmodifications totheECCSsubsystem thatalterthesubsystem flowcharacteristics andverifying thefollowing flowrates:BoronInjection SystemSinglePump*SafetyInjection SystemSinglePump~~Loop1BoronInjection Flow117.5gpmLoop2BoronInjection Flow117.5gpmLoop1and4ColdLegFlow2300gpmLoop2and3ColdLegFlow2300gpmLoop3BoronInjection FlowCombinedLoop1,2,3and4ColdLeg117.5gpmFlow(singlepump)lessthanorequalto640gpm.TotalSIS(singlepump)flow,including Loop4BoronInjection Flowminifiow, shallnotexceed00gpm.117.5gpmpfppZ~anrc'sf~~pampr3'pEdw//p~/Jy 4cP/A~~c7Pgf~t~t+~4v~+7~~~~gggpg~~

~~eflowrateineachBoronInjection (BI)lineshouldbejustedtoprovide117.5gpm(nominal) flowineachloop.Undertheseconditions thereiszerominifloand80gpmplusorminus5gpmsimulated RCPsealinjection lineflow.TheactualflowineachBIlinemaydeviatefromthenominalsolongas:a)thedifference betweenthehighestandlowestflowis25gpmorless.b)thetotalflowtothefourbranchlinesdoesnotexceed470gpm.c)theminimumflow(totalfiow)throughthethreemostconservative (lowestfiow)branchlinesmustnotbelessthan300gpm.d)thechargingpumpdischarge resistance (2.31xPd/Qd)mustnotbelessthan4.73E-3ft/gpmandmustnotbegreaterthan9.27E-3ft/gpm2,(Pdisthepumpdischarge pressureatrunout;Qdisthetotalpumpflowrate.)COOKNUCLEARPLANT-UNIT IPage3/454AMENDMENT Q8,1269809220084 9809i4PDR,ADOCK05000Si5P'DR 1a EMERGENCY CORECOOLINGSYSTEMWiththeRCStemperature below350F,oneOPERABLEECCSsubsystem isacceptable withoutsinglefai.luxeconsideration onthebasisofthestablereactivity condition ofthereactorandthelimitedcorecoolingrequirements.

Thelimi.tation foramaximumofonecentrifugal chargingpumptobeOPERABLEandtheSurveillance Requirement toverifyallchargingpumpsandsafetyinfection pumps,excepttherequiredOPERABLEchargingpump,tobeinopex'able below152Fprovicesassurance thatamassaddi.tion pressuretransient canberelievedbytheoperation of'singlePORV.TheSurveillance Requirements pxovidedtoensureOPERABILITY ofeachcomponent ensux'esthatataminimum,theassumpti.ons usedinthesafetyanalysesaxemetandthatsubsystem OPERABILITY ismaintained.

Survei.llance requirements forthrottlevalvepositionstopsandflowbalancetestingprovideassurance thatproperECCSflowswillbemaintained intheeventofaLOCA.Maintenance ofproperflowresistance andpressuredropinthepipingsystemtoeachinjection pointisnecessary to:(1)preventtotalpumpflowfromexceedXnrunoutconditions whenthesystemisinitsminimumresistance confi.guratio (2)px'ovidetheproperflowsplitbetweenin)ection pointsinaccordance wi.ththeassumptions usedintheECCS-LOCA

analyses, and(3)provideanacceptable leveloftotalECCSflowtoallin)ection pointsequaltoorabovethatassumedintheECCS-LOCA analyses.

nial~+P4~~>i~A</np'~cHzo~male~a7~@c~eZ~cr'n PZOYrDw/~py~~~oQcgAw+g~~~gpr4'vYcpi&g Z+><+>uwPi~sdurcdous+Jao'~Podydee~<e~ZXP4ne~

VE5+/+ran vro~XP>r+rn4'7'SPY/MS~+aml~~/6'~gP"~MpM+gAM COOKNUCLEARPLANT-UNIT1B3/45-2AMENDMENT NO.gJr.gingf67, UNITNO.2 3/4LIMITINGCONDITIONS FOROPERATION ANDSURVEILLANCE REQUIREMENTS 3/4,5EMERGENCY CORECOOLINGSYSTEMS(ECCS)SURVEILLANCE REUIREMENTS Continued 2.Atleastonceper18months.BoronInjection ThrottleValvesValveNumberSafetyInjection ThrottleValvesValveNumber1.2-SI-141Ll2.2-SI-141L23.2-SI-141L34.2-SI-141L41.2-SI-121N2.2-SI-121Sh.Byperforming aflowbalancetestduringshutdownfollowing completion ofmodifications totheECCSsubsystem thatalterthesubsystem flowcharacteristics andverifying thefollowing flowrates:BoronInjection SystemSinglePumpSafetyInjection SystemSinglePumpLoop1Boron117.5gpmLoop2Boron117.5gpmLoop3Boron117.5gpmLoop4Boron117.5gpmInjection FlowInjection FlowInjection FlowInjection FlowLoop1and4ColdLegFlowgreaterthanorequalto300gpmLoop2and3ColdLegFlowgreaterthanorequalto300gpmCombinedLoop1,2,3and4ColdLegFlow(singlepump)lessthanorequalto640gpm.TotalSIS(singlepump)flow,including

miniflow, shallnotexceed700gpm.67S/<gunwnl~g~Ave~~~~ggpm~/~+~~a go~Ag/hd'r//o~updo~7ma+/maser

'lTheflowrateineachboroninjection (Bl)lineshouldbeadjustedtoprovide117.5gpm(nominal) flowintoeachloop.Undertheseconditions thereiszeromini-flow and80gpmplusorminus5gpmsimulated RCPsealinjection lineflow.TheactualflowineachBIlinemaydeviatefromthenominalsolongas;a)thedifference betweenthehighestandlowestflowis25gpmorless.b)thetotalflowtothefourbranchlinesdoesnotexceed470gpm.~c)theminimumfiowthroughthethreemostconservative (lowestflow)branchlinesmustnotbelessthan300gpm,d)thechargingpumpdischarge resistance (2.31xPd/Qd)mustnotbelessthan4.73E-3ft/gpmandmustnotbegreaterthan9.27E-3ft/gpm,(Pdisthepumpdischarge pressureatrunout;Qdisthetotalpumpfiowrate).COOKNUCLEARPLANT-UNIT 2Page3/45-6AMENDMENT 64,134 EMERGENCY CSEECOOLZNCSYST~'fSBASESr.0PiththeRCStern'perature beloM350F,oneOPERABLEECCSsubsystem isacceptable withoutsinglefailureconsideration, onthebasisofthestabLereactivity condition ofthereactorandthelimitedcorecoolingrequirements.

Thelimication foramaximumofonecencrifugal chargingpumptobeOPERABLEandtheSurveillance Requirement toverifyallchargingpumpsandsafetyinjection pumps,excepctherequiredOPERABLEchargingpump,cobeinoperable belowl52Fprovidesassurance thatamassadditionpressurecransienc canbe0relievedbytheoperation ofasinglePORV.TheSurveillance Requirements providedtoensureOPERABILITY ofeachcomponen-ensuresthatacaminimum,theassumptions usedinthesafetyanalysesareme"andthatsubsyscem OPERABILITY ismaintained.

Surveillance requirements forthroctlevalveposicionstopsandflovbalancetestingprovideassurance chatproperECCSflowsvillbemaintained intheevencofaLOCA.-Maintenance ofproperfle~resistance andpressuredropinthepipingsystemtoeachinjection pointisnecessary co:(l)preventtotalpumpflowfromexceeding runouccondicions Mhenthesyscemisinitsminimumresiscance configuratio (2)providetheproperfloMsplitbecveeninjection pointsinaccordance withtheassumptions usedintheECCS-LOCA

analyses, and(3)provideanacceptable leveloftotal'ECCS flowtoallinjection poincsequalcoorabovethatassumedintheECCS-LOCA analyses.

&/%net~IJn'~rW~H~r~~cPua'Wpr Wt~WN7/e'erreu/~rAren

~Ncz~(Err'N+Arraspre~rerrn~1~X>&+en+reNun~de<'A)~~<+~+@+<rX+Dve~pewr~~rs~vcwer'~~We~K~Ãp5inop~rc4'8'rvraN4+acrec'u/avruo l><<4PCOOKNUCLEARPLANT-UNET2B3/45-2AMENDMENT No.SS,147.

~b4nh ATTACHMENT 3TOAEP:NRC:1274 PROPOSEDAMENDMENT TOTHEDONALDC.COOKNUCLEARPLANTUNITSNO.1AND2TECHNICAL SPECIFICATION SAFETYINJECTION PUMPRUNOUTFLOWLIMITS 0

3/4LIMITINGCONDITIONS FOROPERATION ANDSURVEILLANCE REQUIREMENTS 3/4.5EMERGENCY CORECOOLINGSYSTEMS(ECCS)SURVEILLANCE REUIREMENTS Continued Atleastonceper18months.BoronInjection ThrottleValvesSafetyInjection ThrottleValvesValveNumberValveNumber1.1-SI-141Ll2.1-SI-141L23.1-SI-141L34.1-SI-141L41.1-SI-121N2.1-SI-121Sh.Byperforming aflowbalancetestduringshutdownfollowing completion ofmodifications totheECCSsubsystem thatalterthesubsystem flowcharacteristics andverifying thefollowing flowrates:BoronInjection SystemSinglePump*SafetyInjection SystemSinglePump**Loop1BoronInjection Flow117.5gpmLoop1and4ColdLegFlow2300gpmLoop2BoronInjection Flow117.5gpmLoop2and3ColdLegFlow2300gpmLoop3BoronInjection Flow117.5gpniLoop4BoronInjection Flow117.5gpmCombinedLoop1,2,3and4ColdLegFlow(singlepump)lessthanorequalto640gpm.TotalSIS(singlepump)flow,including

-miniflow, shallnotexceed675gpmunlessthepumpisspecifically qualified toahigherflowuptoamaximumof700gpm.*TheflowrateineachBoronInjection (BI)lineshouldbeadjustedtoprovide117.5gpm(nominal) flowineachloop.Undertheseconditions thereiszerominiflowand80gpmplusorminus5gpmsimulated RCPsealinjection lineflow.TheactualflowineachBIlinemaydeviatefromthenominalsolongas:a)thedifference betweenthehighestandlowestflowis25gpmorless.b)thetotalflowtothefourbranchlinesdoesnotexceed470gpm.c)theminimumflow(totalflow)throughthethreemostconservative (lowestflow)branchlinesmustnotbelessthan300gpm.d)thechargingpumpdischarge resistance (2.31xPd/Qd)mustnotbelessthan4.73E-3ft/gpmandmustnotbegreaterthan9.27E-3ft/gpm2,(Pdisthepumpdischarge pressureatrunout;Qdisthetotalpumpflowrate.)COOKNUCLEARPLANT-UNIT 1Page3/45-6AMENDMENT 98,426, 3/4BASES3/4.5EMERGENCY CORECOOLINGSYSTEMS3/4.5.'2and3/4.5.3ECCSSUBSYSTEMS Continued WiththeRCStemperature below350'F,oneOPERABLEECCSsubsystem isacceptable withoutsinglefailureconsideration onthebasisofthestablereactivity condition ofthereactorandthelimitedcorecoolingrequirements.

Thelimitation foramaximumofonecentrifugal chargingpumptobeOPERABLEandtheSurveillance Requirement toverifyallchargingpumpsandsafetyinjection pumps,excepttherequiredOPERABLEchargingpump,tobeinoperable below152'Fprovidesassurance thatamassadditionpressuretransient canberelievedbytheoperation ofasinglePORV.TheSurveillance Requirements providedtoensureOPERABILITY ofeachcomponent ensuresthatataminimum,theassumptions usedinthesafetyanalysesaremetandthatsubsystem OPERABILITY ismaintained.

Surveillance requirements forthrottlevalvepositionstopsandflowbalancetestingprovideassurance thatproperECCSflowswillbemaintained intheeventofaLOCA.Maintenance ofproperflowresistance andpressuredropinthepipingsystemtoeachinjection pointisnecessary to:(1)preventtotalpumpflowfromexcccding runoutconditions whenthesystemisinitsminimumresistance configuration*,

(2)providetheproperflowsplitbetweeninjection pointsinaccordance withtheassumptions usedintheECCS-LOCA

analyses, and(3)provideanacceptable leveloftotalECCSflowtoallinjection pointsequaltoorabovethatassumedintheECCS-LOCA analyses.

Observing theselimitswhileflowbalancing theSIpumpsintheinjection modewillensuretheyarenotexceededintherecirculation mode(RHRpumpsproviding asuctionpressureboost)duetothehighersystemresistance resulting fromsplitting oftheSltrainswhenintherecirculation lineup.COOKNUCLEARPLANT-UNIT 1PageB3/45-2AMENDMENT 88,488,4CP, AJ 3/4LIMITINGCONDITIONS FOROPERATION ANDSURVEILLANCE REQUIREMENTS 3/4.5EMERGENCY CORECOOLINGSYSTEMS(ECCS)SURVEILLANCE REUIREMENTS Continued 2.Atleastonceper18months.BoronInjection ThrottleValvesValveNumberSafetyInjection ThrottleValvesValveNumber1.2-SI-141L12.2-SI-141L23.2-SI-141L34.2-SI-141L41.2-SI-121N2.2-SI-121Sh.Byperforming aflowbalancetestduringshutdownfollowing completion ofmodifications totheECCSsubsystem thatalterthesubsystem flowcharacteristics andverifying thefollowing flowrates:BoronInjection SystemSinglePumpLoop1BoronInjection Flow117.5gpmLoop2BoronInjection Flow117.5gpmLoop3BoronInjection Flow117.5gpmLoop4BoronInjection Flow117.5gpmSafetyInjection SystemSinglePumpLoop1and4ColdLegFlowgreaterthanorequalto300gpmLoop2and3ColdLegFlowgreaterthanorequalto300gpmCombinedLoop1,2,3and4ColdLegFlow(singlepump)lessthanorequalto640gpm.TotalSIS(singlepump)flow,including

miniflow, shallnotexceed675gpmunlessthepumpisspecifically qualified toahigherfiowuptoamaximumof700gpm.Theflowrateineachboroninjection (BI)lineshouldbeadjustedtoprovide117.5gpm(nominal) flowintoeachloop.Undertheseconditions thereiszeromini-flow and80gpmplusorminus5gpmsimulated RCPsealinjection lineflow.TheactualflowineachBIlinemaydeviatefromthenominalsolongas:a)thedifference betweenthehighestandlowestflowis25gpmorless.b)thetotalflowtothefourbranchlinesdoesnotexceed470gpm.c)theminimumflowthroughthethreemostconservative (lowestflow)branchlinesmustnotbelessthan300gpm,d)thechargingpumpdischarge resistance (2.31xPd/Qd)mustnotbelessthan4.73E-3ft/gpmandmustnotbegreaterthan9.27E-3ft/gpm2,(Pdisthepumpdischarge pressureatrunout;Qdisthetotalpumpflowrate).COOKNUCLEARPLANT-UNIT 2Page3/45-6AMENDMENT 64,434, r3/4BASES3/4.5EMERGENCY CORECOOLINGSYSTEMS3/4.5'.2and3'/4.5.3ECCSSUBSYSTEMS Continued WiththeRCStemperature below350'F,oneOPERABLEECCSsubsystem isacceptable withoutsinglefailureconsideration onthebasisofthestablereactivity condition ofthereactorandthelimitedcorecoolingrequirements.

Thelimitation foramaximumofonecentrifugal chargingpumptobeOPERABLEandtheSurveillance Requirement toverifyallchargingpumpsandsafetyinjection pumps,excepttherequiredOPERABLEchargingpump,tobeinoperable below152'Fprovidesassurance thatamassadditionpressuretransient canberelievedbytheoperation ofasinglePORV.TheSurveillance Requirements providedtoensureOPERABILITY ofeachcomponent ensuresthatataminimum,theassumptions usedinthesafetyanalysesaremetandthatsubsystem OPERABILITY ismaintained.

Surveillance requirements forthrottlevalvepositionstopsandflowbalancetestingprovideassurance thatproperECCSflowswillbemaintained intheeventofaLOCA.Maintenance ofproperflowresistance andpressuredropinthepipingsystemtoeachinjection pointisnecessary to:(1)preventtotalpumpflowfromexceeding runoutconditions whenthesystemisinitsminimumresistance configuration*,

(2)providetheproperflowsplitbetweeninjection pointsinaccordance withtheassumptions usedintheECCS-LOCA

analyses, and(3)provideanacceptable leveloftotalECCSflowtoallinjection pointsequaltoorabovethatassumedintheECCS-LOCA analyses.

Observing theselimitswhileflowbalancing theSIpumpsintheinjection modewillensuretheyarenotexceededintherecirculation mode(RHRpumpsproviding asuctionpressureboost)duetothehighersystemresistance resulting fromsplitting oftheSItrainswhenintherecirculation lineup.COOKNUCLEARPLANT-UNIT 2PageB3/45-2AMENDMENT BQ,kQ,