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| {{#Wiki_filter:AttachmentARevisetheTechnicalSpecificationpagesasfollows:Removepages3.3-6through3.3-8Insert3.3-6through3.3-8~80126P41~<Q01PP----ADO<K05ppop4PPD I~,iI~C1, b.cd.e.Onecontainmentspraypumpmaybeinoperableprovidedthepumpisrestoredtooperablestatuswithin3days.Duringdieselgeneratorloadandsafeguardsequencetesting,bothcontainment,spraypumpsmaybeinoperableforaperiodnottoexceedonehourprovidedtheRCStemperatureislessthan350'F.Anyvalveorpipinginasystem,requiredtofunctionduringaccidentconditions,maybeinoperableprovideditisrestoredtooperablestatuswithin72hours.Onepostaccidentcharcoalfilterunitand/oritsassociatedfancoolermaybeinoperableprovidedtheunitisrestoredtooperablestatuswithin7days.Thesprayadditivesystemmaybeinoperableforaperiodofnomorethan3daysprovidedthatbothcharcoalfilterunitsareoperable.3-3'ComonentCoolinSstem3.3.3.1Thereactorshallnotbetakenabovecoldshutdownunlessthefollowingconditionsaremet:a~b.cBothcomponentcoolingpumpsareoperable.Bothcomponentcoolingheatexchangersareoperable.Allvalves,interlocksandpipingassociatedwiththeabovecomponentswhicharerequired3.3-6AmendmentNo.,Prop'osed. | | {{#Wiki_filter:Attachment ARevisetheTechnical Specification pagesasfollows:Removepages3.3-6through3.3-8Insert3.3-6through3.3-8~80126P41~<Q01PP----ADO<K05ppop4PPD I~,iI~C1, b.cd.e.Onecontainment spraypumpmaybeinoperable providedthepumpisrestoredtooperablestatuswithin3days.Duringdieselgenerator loadandsafeguard sequencetesting,bothcontainment, spraypumpsmaybeinoperable foraperiodnottoexceedonehourprovidedtheRCStemperature islessthan350'F.Anyvalveorpipinginasystem,requiredtofunctionduringaccidentconditions, maybeinoperable provideditisrestoredtooperablestatuswithin72hours.Onepostaccidentcharcoalfilterunitand/oritsassociated fancoolermaybeinoperable providedtheunitisrestoredtooperablestatuswithin7days.Thesprayadditivesystemmaybeinoperable foraperiodofnomorethan3daysprovidedthatbothcharcoalfilterunitsareoperable. |
| I1'T tofunctionduringaccidentconditionsareoperable.3.3.3.2Therequirementsof3.3.3.1maybemodifiedtoallowoneofthefollowingcomponentstobeinoperableatanyonetime.Ifthesystemisnotrestoredtomeettheconditionsof3.3.3.1withinthetimeperiodspecified,thereactorshallbeinhotshutdownwithinthenext6hours.Iftherequirementsof3.3.3.1arenotsatisfiedwithinanadditional48hours,thereactorshallbeinthecoldshutdownconditionwithinthefollowing30hours.Ifneithercomponentcoolingwaterloopisoperable,thereactorshallbemaintainedbelowareactorcoolantsystemtemperatureof350Finsteadofatcoldshutdownandcorrectiveactionshallbeinitiatedtorestoreacomponentcoolingwaterlooptooperablestatusassoonaspossible.a~b.Onecomponentcoolingpumpmaybeoutofserviceprovidedthepumpisrestoredtooperablestatuswithin24hours.Oneheatexchangerorotherpassivecomponentmaybeout,ofserviceprovidedthesystemmaystilloperateat100%capacityandrepairsarecompletedwithin24hours.3A37Amendment,No.Proposed E | | 3-3'ComonentCoolinSstem3.3.3.1Thereactorshallnotbetakenabovecoldshutdownunlessthefollowing conditions aremet:a~b.cBothcomponent coolingpumpsareoperable. |
| 3.3.43.3.4.1ServiceWaterSstemThereactorshall=notbetakenabovecoldshutdownunlessthefollowingconditionsaremet:3.3.4.23.3.53.3.5.13.3.5.2a.Atleasttwoservicewaterpumps,oneonbus17andoneonbus18,andoneloopheaderareoperable.b.Allvalves,interlocks,andpipingassociatedwiththeoperationoftwopumpsareoperable.Anytimethat.theconditionsof3.3.4.1abovecannotbemet,thereactorshallbeplacedinhotshutdownwithin6hoursand,incoldshutdownwithinanadditional30hours.ControlRoomEmerencAirTreatmentSstemTheRCStemperatureshallnotbeatorabove350'Funlessthecontrolroomemergencyairtreatmentsystemisoperable.Therequirementsof3.3.5.1maybemodifiedtoallowthecontrolroomemergencyairtreatmentsystemtobeinoperableforaperiod.of48hours.Ifthesystemisnotmadeoperablewithinthose48hours,the.reactorshallbeplacedinhotshutdownwithinthenext6hoursandtheRCStemperaturelessthan350'Finanadditional12hours.BasisThenormalprocedureforstartingthereactoris,firsttoheat3.3-8AmendmentNo.Proposed AttachmentBAmendment,No.24totheTechnicalSpecificationchangedtheRCSconditionsabovewhichthecontainmentspraypumpswererequiredtobeoperablefromcriticaltocoldshutdown.ThisrequirementwillnolongerallowthecurrentPlantpracticeofperformingtheemergencydieselgeneratorloadandsafeguardssequencetesting(GinnaProcedureRSSP2.2)whenRCStemperatureisatapproximately300'F.Thistestisperformedwithonespraypumpalignedforrecirculationandtheotherinpull-stop.Therefore,neitherpumpwouldbeabletorespondtoanautomaticactuationsignalalthoughthepumpinpull-stopcouldbemanuallyactuatedimmediatelyandtheotherpumpcouldberealignedwithinarelativelybriefperiodoftime.Thecontainmentspraysystem,inconjunctionwiththecontain-ment.fancoolers,isdesignedtoremovesufficientheatfromthecontainmentatmospherefollowinganaccidenttomaintainthecontainment.pressurebelowitsdesignlimit(60psig).Thecontainmentspraysystemisalsocapableofreducingtheiodineandparticulatefissionproductinventoriesinthecontainmentatmosph'eresuchthatoffsitedosesresultingfromaLOCAarewithintheguidelinevaluesof10CFR100.TheproposedchangetotheTechnicalSpecificationswouldallowbothspraypumpstobeinoperableforaperiodnot.toexceed1hourprovidedRCStemperatureislessthan350'F.Thedesignbasiseventsforacontainmentpressuretransient.aretheLOCAat100percentpowerormainsteamlinebreak(MSLB)occurringatzeropercentreactorthermalpower.RestrictingRCStemperaturetolessthan350'Flimitstheamount.ofenergyavailablefortransfertothecontainmentatmosphereshouldaprimarysystempiperuptureorMSLBoccur.Forexample,acomparisonofreactorcoolantspecific"enthalpiesyields559.8BTU/ibmat560Fand2200psiaversus322.5BTU/ibmat350Fand600psia.InadditionenergyfromthefuelthatwouldbetransferredtotheRCSduringblowdownfollowingapiperuptureat100percentpower,wouldnotbeavailableattheisothermal350'Fcondition.Therefore,thepeakcontainmentpressureshouldremainwellbelowthedesignlimitof60psig.ThepotentialforoffsitedoseconsequencesforLOCAoccurringat350Fwithoutcontainmentspraypumpsimmediatelyoperable,tobeequaltoorgreaterthanthoseconsequencesresultingfromaLOCAat100%powerwithcontainmentsprayavailable,islimited.The350'Fisothermalconditionofthefuelreducesthepotentialforcladdingdamageandreleaseoffissionproducts.Thelowercontainmentpressurereducesthedrivingforceforleakageofanyfissionproductsreleasedintothecontainment,atmospheretotheoutsideenvironment..Finally,althoughthespraypumpsaretechnicallyconsideredinoperablebecausetheycannotbeautomati-callyactuated,theycanbemanuallyactuatedorrealignedwithinabriefperiodoftime. | | Bothcomponent coolingheatexchangers areoperable. |
| Thisproposedamendmenthasbeenreviewedagainstthethreefactorsof10CFR50.92.Ithasbeendeterminedthattheamendmentdoesnotinvolveasignificanthazardsconsiderationforthefollowingreasons.Thischangewillnotresultinasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated.Theproposedchangeinvolvestheinsertionofatestexceptionintotheoperabilityrequirementsforthecontainmentspraypumps.ThischangedoesnotinvolveaphysicalmodificationofthePlantorequipment.TheprobabilityofoccurrenceoftheaccidentsaddressedintheUFSARcannotbeaffected.ThecontainmentspraysystemisdesignedtoremoveheatfromthecontainmentatmospherefollowingapostulatedLOCA,mainsteamlinebreak(MSLB)oranyeventwherelargeamountsofenergytransferredtocontainmentcouldcauseoverpressurization.Theproposedtestexceptionminimizesthetimethatbothspraypumpswouldbetechnicallyinoperable,andplacesalimitonRCSconditionssuchthattheenergyavailablefortransfertothecontainmentatmosphereisalsolimited.Thetimeallowedtoconductthetest(1hr)isshort.LicensedOperatorswillbeoverseeingthetestingandwillbealerttothecontainmentsprayconfiguration.Theprobabilityofanaccidentoccuring,duringthistimeperiod,islessthan1.2x10oftheannualfrequencyofoccuranceofthedesignbasisevent.Therefore,theconsequencesofanaccidentpreviouslyevaluated(LOCA,MSLB)arenotsignificantlyincreasedintermsofthepotentialforcontainmentdesignpressuretobeexceeded.Theoffsitedoseconsequencesduetotheunavailabilityofcontainmentspraywouldnotbeincreased.Thepotentialforfuelfailureandreleaseoffissionproductsfromthecladdingissignificantlyreducedduetothelowtemperature(350'F)initialconditionofthefuelatthetimeofthepostulatedLOCA.Thelowercontainmentpressurereducesthepotentialforcontainmentleakage.Alsomanualrealignmentofaspraypumpwouldoccurinsufficienttimetoprovidesignificantfissionproductremovalcapability.2.Thesechangeswillnotcreatethepossibilityofanewordifferentkindofaccidentpreviouslyevaluated.AsindicatedabovetheproposedchangetotheTechnicalSpecificationsdoesnotinvolveaphysicalmodificationtothePlantthatcouldresultinthecreationofanaccidentnotpreviouslyanalyzed.3.Thischangedoesnotinvolveasignificantreductioninthemarginsofsafety.
| | Allvalves,interlocks andpipingassociated withtheabovecomponents whicharerequired3.3-6Amendment No.,Prop'osed |
| Therearenosignificantreductionsinthemarginsofsafety.ThecontainmentspraysystemisdesignedtoprovideheatremovalandremovaloffissionproductsfromthecontainmentatmospherefollowingaLOCA.Duetothereasonsdiscussedabove,thecontainmentpressureandradiologicalconsequencesofaLOCAoccurringatanRCSconditionoflessthan350Fandnospraysystempumpsavailablewouldbemuchlessthanthedesignbasisaccidentcondition.Thereforethemarginsofsafetytocontainmentfailureanddoselimitsof10CFR100wouldnotbereduced.
| | . |
| | I1'T tofunctionduringaccidentconditions areoperable. |
| | 3.3.3.2Therequirements of3.3.3.1maybemodifiedtoallowoneofthefollowing components tobeinoperable atanyonetime.Ifthesystemisnotrestoredtomeettheconditions of3.3.3.1withinthetimeperiodspecified, thereactorshallbeinhotshutdownwithinthenext6hours.Iftherequirements of3.3.3.1arenotsatisfied withinanadditional 48hours,thereactorshallbeinthecoldshutdowncondition withinthefollowing 30hours.Ifneithercomponent coolingwaterloopisoperable, thereactorshallbemaintained belowareactorcoolantsystemtemperature of350Finsteadofatcoldshutdownandcorrective actionshallbeinitiated torestoreacomponent coolingwaterlooptooperablestatusassoonaspossible. |
| | a~b.Onecomponent coolingpumpmaybeoutofserviceprovidedthepumpisrestoredtooperablestatuswithin24hours.Oneheatexchanger orotherpassivecomponent maybeout,ofserviceprovidedthesystemmaystilloperateat100%capacityandrepairsarecompleted within24hours.3A37Amendment, No.Proposed E |
| | 3.3.43.3.4.1ServiceWaterSstemThereactorshall=not betakenabovecoldshutdownunlessthefollowing conditions aremet:3.3.4.23.3.53.3.5.13.3.5.2a.Atleasttwoservicewaterpumps,oneonbus17andoneonbus18,andoneloopheaderareoperable. |
| | b.Allvalves,interlocks, andpipingassociated withtheoperation oftwopumpsareoperable. |
| | Anytimethat.theconditions of3.3.4.1abovecannotbemet,thereactorshallbeplacedinhotshutdownwithin6hoursand,incoldshutdownwithinanadditional 30hours.ControlRoomEmerencAirTreatment SstemTheRCStemperature shallnotbeatorabove350'Funlessthecontrolroomemergency airtreatment systemisoperable. |
| | Therequirements of3.3.5.1maybemodifiedtoallowthecontrolroomemergency airtreatment systemtobeinoperable foraperiod.of48hours.Ifthesystemisnotmadeoperablewithinthose48hours,the.reactorshallbeplacedinhotshutdownwithinthenext6hoursandtheRCStemperature lessthan350'Finanadditional 12hours.BasisThenormalprocedure forstartingthereactoris,firsttoheat3.3-8Amendment No.Proposed Attachment BAmendment, No.24totheTechnical Specification changedtheRCSconditions abovewhichthecontainment spraypumpswererequiredtobeoperablefromcriticaltocoldshutdown. |
| | Thisrequirement willnolongerallowthecurrentPlantpracticeofperforming theemergency dieselgenerator loadandsafeguards sequencetesting(GinnaProcedure RSSP2.2)whenRCStemperature isatapproximately 300'F.Thistestisperformed withonespraypumpalignedforrecirculation andtheotherinpull-stop. |
| | Therefore, neitherpumpwouldbeabletorespondtoanautomatic actuation signalalthoughthepumpinpull-stop couldbemanuallyactuatedimmediately andtheotherpumpcouldberealigned withinarelatively briefperiodoftime.Thecontainment spraysystem,inconjunction withthecontain-ment.fancoolers,isdesignedtoremovesufficient heatfromthecontainment atmosphere following anaccidenttomaintainthecontainment. |
| | pressurebelowitsdesignlimit(60psig).Thecontainment spraysystemisalsocapableofreducingtheiodineandparticulate fissionproductinventories inthecontainment atmosph'ere suchthatoffsitedosesresulting fromaLOCAarewithintheguideline valuesof10CFR100. |
| | TheproposedchangetotheTechnical Specifications wouldallowbothspraypumpstobeinoperable foraperiodnot.toexceed1hourprovidedRCStemperature islessthan350'F.Thedesignbasiseventsforacontainment pressuretransient. |
| | aretheLOCAat100percentpowerormainsteamlinebreak(MSLB)occurring atzeropercentreactorthermalpower.Restricting RCStemperature tolessthan350'Flimitstheamount.ofenergyavailable fortransfertothecontainment atmosphere shouldaprimarysystempiperuptureorMSLBoccur.Forexample,acomparison ofreactorcoolantspecific"enthalpies yields559.8BTU/ibmat560Fand2200psiaversus322.5BTU/ibmat350Fand600psia.Inadditionenergyfromthefuelthatwouldbetransferred totheRCSduringblowdownfollowing apiperuptureat100percentpower,wouldnotbeavailable attheisothermal 350'Fcondition. |
| | Therefore, thepeakcontainment pressureshouldremainwellbelowthedesignlimitof60psig.Thepotential foroffsitedoseconsequences forLOCAoccurring at350Fwithoutcontainment spraypumpsimmediately |
| | : operable, tobeequaltoorgreaterthanthoseconsequences resulting fromaLOCAat100%powerwithcontainment sprayavailable, islimited.The350'Fisothermal condition ofthefuelreducesthepotential forcladdingdamageandreleaseoffissionproducts. |
| | Thelowercontainment pressurereducesthedrivingforceforleakageofanyfissionproductsreleasedintothecontainment, atmosphere totheoutsideenvironment.. |
| | Finally,althoughthespraypumpsaretechnically considered inoperable becausetheycannotbeautomati-callyactuated, theycanbemanuallyactuatedorrealigned withinabriefperiodoftime. |
| | Thisproposedamendment hasbeenreviewedagainstthethreefactorsof10CFR50.92. |
| | Ithasbeendetermined thattheamendment doesnotinvolveasignificant hazardsconsideration forthefollowing reasons.Thischangewillnotresultinasignificant increaseintheprobability orconsequences ofanaccidentpreviously evaluated. |
| | Theproposedchangeinvolvestheinsertion ofatestexception intotheoperability requirements forthecontainment spraypumps.Thischangedoesnotinvolveaphysicalmodification ofthePlantorequipment. |
| | Theprobability ofoccurrence oftheaccidents addressed intheUFSARcannotbeaffected. |
| | Thecontainment spraysystemisdesignedtoremoveheatfromthecontainment atmosphere following apostulated LOCA,mainsteamlinebreak(MSLB)oranyeventwherelargeamountsofenergytransferred tocontainment couldcauseoverpressurization. |
| | Theproposedtestexception minimizes thetimethatbothspraypumpswouldbetechnically inoperable, andplacesalimitonRCSconditions suchthattheenergyavailable fortransfertothecontainment atmosphere isalsolimited.Thetimeallowedtoconductthetest(1hr)isshort.LicensedOperators willbeoverseeing thetestingandwillbealerttothecontainment sprayconfiguration. |
| | Theprobability ofanaccidentoccuring, duringthistimeperiod,islessthan1.2x10oftheannualfrequency ofoccurance ofthedesignbasisevent.Therefore, theconsequences ofanaccidentpreviously evaluated (LOCA,MSLB)arenotsignificantly increased intermsofthepotential forcontainment designpressuretobeexceeded. |
| | Theoffsitedoseconsequences duetotheunavailability ofcontainment spraywouldnotbeincreased. |
| | Thepotential forfuelfailureandreleaseoffissionproductsfromthecladdingissignificantly reducedduetothelowtemperature (350'F)initialcondition ofthefuelatthetimeofthepostulated LOCA.Thelowercontainment pressurereducesthepotential forcontainment leakage.Alsomanualrealignment ofaspraypumpwouldoccurinsufficient timetoprovidesignificant fissionproductremovalcapability. |
| | 2.Thesechangeswillnotcreatethepossibility ofanewordifferent kindofaccidentpreviously evaluated. |
| | Asindicated abovetheproposedchangetotheTechnical Specifications doesnotinvolveaphysicalmodification tothePlantthatcouldresultinthecreationofanaccidentnotpreviously analyzed. |
| | 3.Thischangedoesnotinvolveasignificant reduction inthemarginsofsafety. |
| | Therearenosignificant reductions inthemarginsofsafety.Thecontainment spraysystemisdesignedtoprovideheatremovalandremovaloffissionproductsfromthecontainment atmosphere following aLOCA.Duetothereasonsdiscussed above,thecontainment pressureandradiological consequences ofaLOCAoccurring atanRCScondition oflessthan350Fandnospraysystempumpsavailable wouldbemuchlessthanthedesignbasisaccidentcondition. |
| | Therefore themarginsofsafetytocontainment failureanddoselimitsof10CFR100wouldnotbereduced. |
|
| |
|
| LISTOFCHANGESTOTECHNICALSPECIFICATIONSLocationofChanep.3.3-6,Section3.3.2.2bAddedphrase"Duringdieselgeneratorloadandsafeguardsequencetesting,bothcontainmentspraypumpsmaybeinoperableforaperiodnottoexceedonehourprovidedtheRCStemperatureislessthan350Fp.3.3-7,3.3-8Nochangestothesepages.Pagesretypedonly.}}
| | LISTOFCHANGESTOTECHNICAL SPECIFICATIONS LocationofChanep.3.3-6,Section3.3.2.2bAddedphrase"Duringdieselgenerator loadandsafeguard sequencetesting,bothcontainment spraypumpsmaybeinoperable foraperiodnottoexceedonehourprovidedtheRCStemperature islessthan350Fp.3.3-7,3.3-8Nochangestothesepages.Pagesretypedonly.}} |
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ML17265A4661998-11-24024 November 1998
Proposed Tech Specs 4.2.1,revising Description of Fuel Cladding Matl & Updating List of References Provided in TS 5.6.5 for COLR
ML20155G0301998-10-30030 October 1998
Rev 13 to EOP AP-CCW.1, Leakage Into Component Cooling Loop
ML17265A4091998-08-24024 August 1998
Rev 13 to AP-SW.1, Svc Water Leak. W/980824 Ltr
ML17265A3721998-07-16016 July 1998
Rev 14 to EOP AP-CW.1, Loss of Circ Water Pump. W/980716 Ltr
ML17265A3151998-06-0404 June 1998
Proposed Tech Specs Basis Re Main Steam Isolation Setpoint
ML17265A2941998-05-21021 May 1998
Tech Specs Consisting of Submittal Changes for 1998
ML17265A2861998-05-0606 May 1998
Rev 19 to EOP ECA-3.2, SGTR W/Loss of Reactor Coolant Saturated Recovery Desired & Updated ECA Index.W/980506 Ltr
ML17265A2461998-04-27027 April 1998
Proposed Tech Specs Revising Requirements Associated W/Sfp to Reflect Planned Mod to Storage Racks & Temporarily Addressing Boraflex Degradation within Pool
ML17265A1821998-02-20020 February 1998
Rev 1 to EWR 5111, MOV Qualification Program Plan, Calculation Assumption Verification Criteria.
ML17265A1491997-12-31031 December 1997
Rev 1 to Inservice Testing Program.
ML17264B0731997-10-14014 October 1997
Rev 4 to Technical Requirements Manual (TRM) for Ginna Station.
ML17264B0671997-10-0808 October 1997
Proposed Tech Specs,Correcting & Clarifying Info Re RCS Pressure & Temp Limits Rept Administrative Controls Requirements
ML17264B0441997-09-29029 September 1997
Proposed Tech Specs Revising Adminstrative Controls W/ Respect to Reactor Coolant Sys Pressure & Temp Limits Rept
ML17264B0391997-09-29029 September 1997
Proposed Tech Specs Revising Allowable Value & Trip Setpoint for High Steam Flow Input Into LCO Table 3.3.2-1,Function 4d (Main Steam Isolation) to Address Issues Identified in Rev Revised Setpoint Analysis Study
ML17265A1541997-09-16016 September 1997
Rev 1 to DA EE-92-089-21, Design Analysis Ginna Station Instrument Loop Performance Evaluation & Setpoint Verification.
ML17264B0031997-08-19019 August 1997
Proposed Tech Specs Allowing Testing of Three ECCS motor- Operated Valves in Mode 4 Which Currently Requires Entry Into LCO 3.0.3
ML17264A9991997-08-19019 August 1997
Proposed Tech Specs Correcting Specified Accumulator Borated Water Volume Values in SR 3.5.1.2 to Match Associated Accumulator Percent Level Values
ML17264A9791997-08-0505 August 1997
Rev 7 to AP-RCS.3, High Reactor Coolant Activity.
ML17264A9781997-08-0505 August 1997
Rev 12 to AP-RCS.1, Reactor Coolant Leak.
ML17264A9771997-08-0505 August 1997
Rev 11 to AP-RCP.1, RCP Seal Malfunction.
ML17264A9751997-08-0505 August 1997
Rev 14 to AP-ELEC.1, Loss of 12A & 12B Busses.
ML17264A9851997-08-0404 August 1997
Rev 2 to Summary Description of Compliance w/10CFR73 Amend Protection Against Malevolent Use of Vehicles at Nuclear Power Plants.
ML17264A9391997-07-0707 July 1997
Rev 3 to Technical Requirements Manual for Ginna Station, Inserting New Tabs Accordingly Per Previous Transmittal for Rev
ML17264A9341997-07-0101 July 1997
to Technical Requirements Manual (TRM) & inter-office Correspondence Dtd 970624
ML17264A9461997-06-20020 June 1997
to Inservice Insp (ISI) Program.
ML17264A9241997-06-0303 June 1997
Proposed Tech Specs Clarifying Issues Re Low Temperature Overpressure Protection
ML17311A0471997-05-22022 May 1997
Revised Eops,Including Procedures Index,Rev 5 to ATT-15.0, Rev 3 to ATT-15.2,rev 3 to AP-ELEC.3,rev 13 to ECA-0.1 & Rev 9 to ECA-0.2.W/970522 Ltr
ML17264A8671997-04-24024 April 1997
Proposed Tech Specs,Revising Rcs,Pt & Administrative Control Requirements
1999-06-28
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Text
Attachment ARevisetheTechnical Specification pagesasfollows:Removepages3.3-6through3.3-8Insert3.3-6through3.3-8~80126P41~<Q01PP----ADO<K05ppop4PPD I~,iI~C1, b.cd.e.Onecontainment spraypumpmaybeinoperable providedthepumpisrestoredtooperablestatuswithin3days.Duringdieselgenerator loadandsafeguard sequencetesting,bothcontainment, spraypumpsmaybeinoperable foraperiodnottoexceedonehourprovidedtheRCStemperature islessthan350'F.Anyvalveorpipinginasystem,requiredtofunctionduringaccidentconditions, maybeinoperable provideditisrestoredtooperablestatuswithin72hours.Onepostaccidentcharcoalfilterunitand/oritsassociated fancoolermaybeinoperable providedtheunitisrestoredtooperablestatuswithin7days.Thesprayadditivesystemmaybeinoperable foraperiodofnomorethan3daysprovidedthatbothcharcoalfilterunitsareoperable.
3-3'ComonentCoolinSstem3.3.3.1Thereactorshallnotbetakenabovecoldshutdownunlessthefollowing conditions aremet:a~b.cBothcomponent coolingpumpsareoperable.
Bothcomponent coolingheatexchangers areoperable.
Allvalves,interlocks andpipingassociated withtheabovecomponents whicharerequired3.3-6Amendment No.,Prop'osed
.
I1'T tofunctionduringaccidentconditions areoperable.
3.3.3.2Therequirements of3.3.3.1maybemodifiedtoallowoneofthefollowing components tobeinoperable atanyonetime.Ifthesystemisnotrestoredtomeettheconditions of3.3.3.1withinthetimeperiodspecified, thereactorshallbeinhotshutdownwithinthenext6hours.Iftherequirements of3.3.3.1arenotsatisfied withinanadditional 48hours,thereactorshallbeinthecoldshutdowncondition withinthefollowing 30hours.Ifneithercomponent coolingwaterloopisoperable, thereactorshallbemaintained belowareactorcoolantsystemtemperature of350Finsteadofatcoldshutdownandcorrective actionshallbeinitiated torestoreacomponent coolingwaterlooptooperablestatusassoonaspossible.
a~b.Onecomponent coolingpumpmaybeoutofserviceprovidedthepumpisrestoredtooperablestatuswithin24hours.Oneheatexchanger orotherpassivecomponent maybeout,ofserviceprovidedthesystemmaystilloperateat100%capacityandrepairsarecompleted within24hours.3A37Amendment, No.Proposed E
3.3.43.3.4.1ServiceWaterSstemThereactorshall=not betakenabovecoldshutdownunlessthefollowing conditions aremet:3.3.4.23.3.53.3.5.13.3.5.2a.Atleasttwoservicewaterpumps,oneonbus17andoneonbus18,andoneloopheaderareoperable.
b.Allvalves,interlocks, andpipingassociated withtheoperation oftwopumpsareoperable.
Anytimethat.theconditions of3.3.4.1abovecannotbemet,thereactorshallbeplacedinhotshutdownwithin6hoursand,incoldshutdownwithinanadditional 30hours.ControlRoomEmerencAirTreatment SstemTheRCStemperature shallnotbeatorabove350'Funlessthecontrolroomemergency airtreatment systemisoperable.
Therequirements of3.3.5.1maybemodifiedtoallowthecontrolroomemergency airtreatment systemtobeinoperable foraperiod.of48hours.Ifthesystemisnotmadeoperablewithinthose48hours,the.reactorshallbeplacedinhotshutdownwithinthenext6hoursandtheRCStemperature lessthan350'Finanadditional 12hours.BasisThenormalprocedure forstartingthereactoris,firsttoheat3.3-8Amendment No.Proposed Attachment BAmendment, No.24totheTechnical Specification changedtheRCSconditions abovewhichthecontainment spraypumpswererequiredtobeoperablefromcriticaltocoldshutdown.
Thisrequirement willnolongerallowthecurrentPlantpracticeofperforming theemergency dieselgenerator loadandsafeguards sequencetesting(GinnaProcedure RSSP2.2)whenRCStemperature isatapproximately 300'F.Thistestisperformed withonespraypumpalignedforrecirculation andtheotherinpull-stop.
Therefore, neitherpumpwouldbeabletorespondtoanautomatic actuation signalalthoughthepumpinpull-stop couldbemanuallyactuatedimmediately andtheotherpumpcouldberealigned withinarelatively briefperiodoftime.Thecontainment spraysystem,inconjunction withthecontain-ment.fancoolers,isdesignedtoremovesufficient heatfromthecontainment atmosphere following anaccidenttomaintainthecontainment.
pressurebelowitsdesignlimit(60psig).Thecontainment spraysystemisalsocapableofreducingtheiodineandparticulate fissionproductinventories inthecontainment atmosph'ere suchthatoffsitedosesresulting fromaLOCAarewithintheguideline valuesof10CFR100.
TheproposedchangetotheTechnical Specifications wouldallowbothspraypumpstobeinoperable foraperiodnot.toexceed1hourprovidedRCStemperature islessthan350'F.Thedesignbasiseventsforacontainment pressuretransient.
aretheLOCAat100percentpowerormainsteamlinebreak(MSLB)occurring atzeropercentreactorthermalpower.Restricting RCStemperature tolessthan350'Flimitstheamount.ofenergyavailable fortransfertothecontainment atmosphere shouldaprimarysystempiperuptureorMSLBoccur.Forexample,acomparison ofreactorcoolantspecific"enthalpies yields559.8BTU/ibmat560Fand2200psiaversus322.5BTU/ibmat350Fand600psia.Inadditionenergyfromthefuelthatwouldbetransferred totheRCSduringblowdownfollowing apiperuptureat100percentpower,wouldnotbeavailable attheisothermal 350'Fcondition.
Therefore, thepeakcontainment pressureshouldremainwellbelowthedesignlimitof60psig.Thepotential foroffsitedoseconsequences forLOCAoccurring at350Fwithoutcontainment spraypumpsimmediately
- operable, tobeequaltoorgreaterthanthoseconsequences resulting fromaLOCAat100%powerwithcontainment sprayavailable, islimited.The350'Fisothermal condition ofthefuelreducesthepotential forcladdingdamageandreleaseoffissionproducts.
Thelowercontainment pressurereducesthedrivingforceforleakageofanyfissionproductsreleasedintothecontainment, atmosphere totheoutsideenvironment..
Finally,althoughthespraypumpsaretechnically considered inoperable becausetheycannotbeautomati-callyactuated, theycanbemanuallyactuatedorrealigned withinabriefperiodoftime.
Thisproposedamendment hasbeenreviewedagainstthethreefactorsof10CFR50.92.
Ithasbeendetermined thattheamendment doesnotinvolveasignificant hazardsconsideration forthefollowing reasons.Thischangewillnotresultinasignificant increaseintheprobability orconsequences ofanaccidentpreviously evaluated.
Theproposedchangeinvolvestheinsertion ofatestexception intotheoperability requirements forthecontainment spraypumps.Thischangedoesnotinvolveaphysicalmodification ofthePlantorequipment.
Theprobability ofoccurrence oftheaccidents addressed intheUFSARcannotbeaffected.
Thecontainment spraysystemisdesignedtoremoveheatfromthecontainment atmosphere following apostulated LOCA,mainsteamlinebreak(MSLB)oranyeventwherelargeamountsofenergytransferred tocontainment couldcauseoverpressurization.
Theproposedtestexception minimizes thetimethatbothspraypumpswouldbetechnically inoperable, andplacesalimitonRCSconditions suchthattheenergyavailable fortransfertothecontainment atmosphere isalsolimited.Thetimeallowedtoconductthetest(1hr)isshort.LicensedOperators willbeoverseeing thetestingandwillbealerttothecontainment sprayconfiguration.
Theprobability ofanaccidentoccuring, duringthistimeperiod,islessthan1.2x10oftheannualfrequency ofoccurance ofthedesignbasisevent.Therefore, theconsequences ofanaccidentpreviously evaluated (LOCA,MSLB)arenotsignificantly increased intermsofthepotential forcontainment designpressuretobeexceeded.
Theoffsitedoseconsequences duetotheunavailability ofcontainment spraywouldnotbeincreased.
Thepotential forfuelfailureandreleaseoffissionproductsfromthecladdingissignificantly reducedduetothelowtemperature (350'F)initialcondition ofthefuelatthetimeofthepostulated LOCA.Thelowercontainment pressurereducesthepotential forcontainment leakage.Alsomanualrealignment ofaspraypumpwouldoccurinsufficient timetoprovidesignificant fissionproductremovalcapability.
2.Thesechangeswillnotcreatethepossibility ofanewordifferent kindofaccidentpreviously evaluated.
Asindicated abovetheproposedchangetotheTechnical Specifications doesnotinvolveaphysicalmodification tothePlantthatcouldresultinthecreationofanaccidentnotpreviously analyzed.
3.Thischangedoesnotinvolveasignificant reduction inthemarginsofsafety.
Therearenosignificant reductions inthemarginsofsafety.Thecontainment spraysystemisdesignedtoprovideheatremovalandremovaloffissionproductsfromthecontainment atmosphere following aLOCA.Duetothereasonsdiscussed above,thecontainment pressureandradiological consequences ofaLOCAoccurring atanRCScondition oflessthan350Fandnospraysystempumpsavailable wouldbemuchlessthanthedesignbasisaccidentcondition.
Therefore themarginsofsafetytocontainment failureanddoselimitsof10CFR100wouldnotbereduced.
LISTOFCHANGESTOTECHNICAL SPECIFICATIONS LocationofChanep.3.3-6,Section3.3.2.2bAddedphrase"Duringdieselgenerator loadandsafeguard sequencetesting,bothcontainment spraypumpsmaybeinoperable foraperiodnottoexceedonehourprovidedtheRCStemperature islessthan350Fp.3.3-7,3.3-8Nochangestothesepages.Pagesretypedonly.
