ML17325A476

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Proposed Tech Specs Revising Surveillance Requirements Re Diesel Generator Fuel Oil Testing
ML17325A476
Person / Time
Site: Cook  American Electric Power icon.png
Issue date: 11/25/1987
From:
INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
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ML17325A475 List:
References
NUDOCS 8712010163
Download: ML17325A476 (19)


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ATTACHMENT 2TOAEP:NRC:0896H REVISEDPAGESFORTHEDONALDC.COOKNUCLEARPLANTUNITS1AND2TECHNICAL SPECIFICATIONS 87120io~5000Sis7ff25peaADoc~.pa@P ELECTRICAL POWERSYSSURVEILLANCE REUIREMENTS Continued 4.8.1.1.2 Eachdieselgenerator shallbedemonstrated OPERABLE:

a.Inaccordance withthefrequency specified inTable4.8-2onaSTAGGERED TESTBASISby:1.2.3.Verifying thefuellevelinthedaytank,Verifying thefuellevelinthefuelstoragetank,Verifying thatthefueltransferpumpcanbestartedandthatittransfers fuelfromthestoragesystemtothedaytank,Verifying thatthedieselstartsfromambientcondition andthatitaccelerates toatleast514rpminlessthanorequalto10seconds,*

Verifying thatthegenerator isloadedtogreaterthanorequalto1700kwandthatitoperatesforgreaterthanorequalto60minutesandverifying thatthegenerator outputbreakertotheemergency busisOPERABLE, andVerifying thatthedieselgenerator isalignedtoprovidestandbypowertotheassociated emergency busses.b.Byremovingaccumulated water**:1)Fromthedaytankatleastonceper31daysandaftereachoccasionwhenthedieselisoperatedforgreaterthan1hour,and2)Fromthestoragetanksatleastonceper31days.c.Bysamplingnewfueloil**inaccordance withtheapplicable guidelines ofASTMD4057-81priortoaddingnewfueltothestoragetanksand1)Byverifying, inaccordance withthetestsspecified inASTMD975-81andpriortoaddingthenewfueltothestoragetanks,thatthesamplehasa)Akinematic viscosity ofgreaterthanorequalto1.9centistokes butlessthanorequalto4.1centi.stokes0at40C(alternatively, Sayboltviscosity, SUSat0100Fofgreaterthanorequalto32.6butlessthanorequalto40.1),ifgravitywasnotdetermined bycomparison withsupplier's certification.

b)Aflashpointequaltoorgreaterthen125F.*Thedieselgenerator start(10seconds)fromambientconditions shallbeperformed atleastonceper184daysinthesesurveillance tests.Allotherenginestartsforthepurposeofthissurveillance testingan'dcompensatory actionmaybeatreducedacceleration ratesasrecommended bythemanufacturer sothatmechanical stressandwearonthedieselengineareminimized.

    • Theactionstobetakenshould,anyoftheproperties befoundoutsideofspecified limitsaredefinedintheBases.D.C.COOK-UNIT13/48-3Amendment No.

ELECTRICAL POWERSSSURVEILLANCE REUIREMENTS Continued 2)Byverifying, inaccordance withthetestspecified inASTMD1298-80andpriortoaddingthenewfueltothestoragetanks,thatthesamplehaseitheranAPIgravityofgreaterthanorequalto30degreesbutlessthanorequalto40degreesat60Foranabsolutespecificgravityat60/60F00ofgreaterthanorequalto0.82butlessthanorequalto0.88,oranAPIgravityofwithin0.3degreesat60Fwhencomparedtothesupplier's certificate oraspecificgravityofwithin0.0016at60/60Fwhencomparedtothesupplier's certificate.

3)Byverifying, inaccordance withthetestspecified inASTMD4176-82andpriortoaddingnewfueltothestoragetanks,thatthesamplehasaclearandbrightappearance withpropercolor.4)Byverifying within31daysofobtaining thesamplethattheotherproperties specified inTable1ofASTMD975-81arewithintheappropriate limitswhentestedinaccordance withASTMD975-81exceptthattheanalysisforsulfurmaybeperformed inaccordance withASTMD2622-82.

d.Atleastonceper31daysbyobtaining asampleoffueloilfromthestoragetanksinaccordance withASTMD2276-83, andverifying thattotalparticulate contamination islessthan10mg/literwhentestedinaccordance withASTMD2276-83, MethodA**~e.Atleastonceper18months,duringshutdown, by:1.Subjecting thedieselenginetoaninspection inaccordance withprocedures preparedinconjunction withitsmanufacturer's recommendations forthisclassofstandbyservice,2.Verifying thegenerator capability torejectaloadgreaterthanorequalto600kwwhilemaintaining voltageat4160'+420voltsandfrequency at60+1.2Hz,3.'erifying thegenerator capability torejectaloadof3500kwwithoutexceeding 75%ofthedifference betweennominalspeedandtheoverspeed tripsetpoint, 4~Simulating alossofoffsitepowerbyitself,and:a)Verifying de-energization oftheemergency bussesandloadsheddingfromtheemergency busses,**Theactionstobetakenshouldanyoftheproperties befoundoutsideofthespecified limitsaredefinedintheBases.D.C.COOK-UNIT13/48-4Amendment No.

ELECTRICAL POWERSSURVEILLANCE REUIREMENTS Continued b)Verifying thatthedieselstartsontheauto-stare signal,energizes theemergency busseswithpermanently connected loadswithin10seconds,energizes theauto-connected shutdownloadsthroughtheloadsequencer andoperatesforgreaterthanorequalto5minuteswhileitsgenerator isloadedwiththeshutdownloads.Afterloadsequencing iscompleted, thesteadystatevoltageandfrequency oftheemergency bussesshallbemaintained at4160+420voltsand60+1.2Hzduringthetest.5.Verifying that,onaSafetyInjection actuation testsignal(withoutlossofoffsitepower),thedieselgenerator startsontheauto-start signalandoperatesonstandbyforgreaterthanorequalto5minutes,6.Simulating alossofoffsi.tepowerinconjunction withaSafetyInjection actuation testsignal,andby:a)Verifying de-energization oftheemergency bussesandloadsheddingfromtheemergency busses,b)Verifying thedieselstartsontheauto-start signal,energizes theemergency busseswithpermanently connected loadswithin10seconds,energizes theauto-connected emergency (accident) loadsthroughtheloadsequencer andoperatesforgreaterthanorequalto5minuteswhileitsgenerator isloadedwiththeemergency loads.Afterloadsequencing iscompleted, thesteadystatevoltageandfrequency oftheemergency bussesshallbe4160+420voltsand60+1.2Hz.Thevoltageandfrequency shallbemaintained withintheselimitsfortheremainder ofthistest,andc)Verifying thatallautomatic dieselgenerator trips,exceptengineoverspeed andgenerator differential, areautomatically bypasseduponlossofvoltageontheemergency busand/orSafetyInjection actuation signal.7.Verifying thatthedieselgenerator operatesforatleast24hours.Duringthistestthedieselgenerator shellbeloadedto3500kw.Within5minutesaftercompleting this24-hourtest,performSurveillance Requirement 4.8'.1.2.e.4.

8.Verifying thattheauto-connected loadstoeachdieselgenerator donotexceed3500kw.Verifying thedieselgenerator's capability to:D.C.COOK-UNIT13/48-5Amendment No.

ELECTRICAL POWERSSSURVEILLANCE REUIREMENTS Continued a)Synchronize witht'eoffsitepowersourcewhilethegenerator isloadedwithitsemergency loadsuponasimulated restoration ofoffsitepower,b)Transferitsloadstotheoffsitepowersource,andc)Berestoredtoitsstandbystatus.10.Verifying thatwiththedieselgenerator operating inatestmodewhileconnected toitstestload,asimulated SafetyInjection signaloverrides thetestmodeby:a)Returning thedieselgenerator tostandbyoperation, andb)Verifying theemergency loadsareservicedbyoffsitepower.f.Atleastonceper10yearsby:1.Drainingeachfueloilstoragetank,removingtheaccumulated

sediment, andcleaningthetank,oragitating thefueloilinthestoragetankandthenpumpingtheoilfromthebottomofthetank,througha5-micronfilter,andbacktotheoppositeendofthetank.2.Performing aprecision leakdetection testtoverifythattheleakageratefromthefueloilsystemislessthanorequalto.05gallonsperhour.D.C.COOK-UNIT13/48-5aAmendment No.

34.8ELECTRICAL POWERSYSTEMSBASESTheOPERABILITY oftheA.C.andD.C.powersourcesandassociated distribution systemsduringoperation ensuresthatsufficient powerwillbeavailable tosupplythesafetyrelatedequipment requiredfor1)thesafeshutdownofthefacilityand2)themitigation andcontrolofaccidentconditions withinthefacility.

Theminimumspecified independent andredundant A.C.andD.C.powersourcesanddistribution systemssatisfytherequirements ofGeneralDesignCriteria17ofAppendix"A"to10CFR50.TheACTIONrequirements specified forthelevelsofdegradation ofthepowersourcesproviderestriction uponcontinued facilityoperation commensurate withthelevelofdegradation.

TheOPERABILITY ofthepowersourcesareconsistent withtheinitialcondition assumptions oftheaccidentanalysesandarebaseduponmaintaining atleastoneredundant setofonsiteA.C.andD.Cpowersourcesandassociated distribution systemsOPERABLEduringaccidentconditions coincident withanassumedlossofoffsitepowerandsinglefailureoftheotheronsiteA.C.source.TheOPERABILITY oftheminimumspecified A.C.andD.C.powersourcesandassociated distribution systemsduringshutdownandrefueling ensuresthat1)thefacilitycanbemaintained intheshutdownorrefueling condition forextendedtimeperiodsand2)sufficient instrumentation andcontrolcapability isavailable formonitoring andmaintaining thefacilitystatus.Inreference toSpecification 3.8.1.1Actionb,thephrase"andanaccumulated annualoutagetimeof576hoursexclusive ofMODES5and6"shallbeinterpreted asfollows.Thisphrasereferstotheamountoftimethedieselgenerator hasbeeninoperable inthepast365dayswhileinMODES1,2,3,and4.ThistimeincludestheamountoftimespentinACTIONstatements exceptforthetimeutilizedforregularly scheduled surveillances.

Theaccumulated annualoutagetimeisresettozerouponsuccessful completion ofthedieselgenerator requalification program(Attachment 2toTable4.8-1).ThetrainNstationbatterysystemprovidesanindependent 250voltDCpowersupplyforpowerandcontroloftheturbinedrivenauxiliary feedwater pumptrain.Thelimitingconditions ofoperation forthetrainNbatteryareconsistent withtherequirements oftheauxiliary feedwater system.Thesurveillance requirements forthetrainNbatterysyst'mareconsistent withtherequirements oftheABandCDstationbatteries.

ThetrainNbatteryloadsarederivedfromequipment intheturbinedrivenauxiliary feedwater pumptrainandbatterysizingisconsistent withthefunctional requirements ofthesecomponents.

Simulated loadsforbatterytestsareloadsequivalent tomeasuredactualloads.D.C.COOK-UNIT1B3/48-1Amendment No.

34.8ELECTRICAL POWERSYSTEMS(Continued)

BASESRemovalofaccumulated waterasrequiredby4.8.1.1.2.b.2 isperformed bydrawingthecontentsoffthebottomofthetankuntilacceptable resultsareobtainedforeitheratapetestorawaterandsedimenttest.Anacceptable resultforthewaterandsedimentcontentisameasuredvaluelessthan0.05percentvolume.Thesamplespecified in4.8.1.1.2.c.4 issentoffsitefortesting.Aseriousattemptwillbemadetomeetthe31-daylimitontheoffsitetests;however,ifforsomereasonthislimitisnotmet(e.g.,ifthesampleislostorbrokenoriftheresultsarenotreceivedin31days),thedieselgenerators shouldnotbeconsidered inoperable.

Ifthesampleislost,broken,orfailstheoffsitetestsandthenewoilhasalreadybeenputintothestoragetank,theoffsitetestswillbeperformed onasampletakenfromthestoragetank.Iftheresultsonthesubsequent storagetanksamplearenotwithinspecified limits,thedieselgenerators shouldbeconsidered OPERABLEandtheout-of-spec properties shouldbereturnedtowithinspecification assoonaspossible.

Ifastoragetanksamplefailstheparticulate contamination test,thedieselgenerators shouldbeconsidered OPERABLEandthecontamination levelshouldberestoredtobelow10mg/literassoonaspossible.

Theprecision leak-detection testdescribed inSurveillance Requirement 4.8.1~1.2.f.2shouldbeperformed asdescribed inNFPA(National FireProtection Association)

-329.AsNFPA-329isrevised,theprecision leak-detection testmaybemodifiedtoincorporate changestothetestasdescribed intherevisions toNFPA-329.

D.C.COOK-UNIT1B3/48-2Amendment No.

ELECTRICAL POWERSSSURVEILLANCE REUIREMENTS Continued 4.8.1.1.2 Eachdieselgenerator shallbedemonstrated OPERABLE:

a.Inaccordance withthefrequency specified inTable4.8-2onaSTAGGERED TESTBASISby:l.2.3.4.5.Verifying thefuellevelinthedaytank,Verifying thefuellevelinthefuelstoragetank,Verifying thatthefueltransferpumpcanbestartedandthatittransfers fuelfromthestoragesystemtothedaytank,Verifying thatthedieselstartsfromambientcondition andthatitaccelerates toatleast514rpminlessthanorequalto10seconds,*

Verifying thatthegenerator isloadedtogreaterthanorequalto1700kwandthatitoperatesforgreaterthanorequalto60minutesandverifying thatthegenerator outputbreakertotheemergency busisOPERABLE, andVerifying thatthedieselgenerator isalignedtoprovidestandbypowertotheassociated emergency busses.b.Byremovingaccumulated water**:1)Fromthedaytankatleastonceper31daysandaftereachoccasionwhenthedieselisoperatedforgreaterthan1hour,and2)Fromthestoragetanksatleastonceper31days'.Bysamplingnewfueloil**inaccordance withtheapplicable guidelines o'fASTMD4057-81priortoaddingnewfueltothestoragetanksand1)Byverifying, inaccordance withthetestsspecified inASTMD975-81andpriortoaddingthenewfueltothestoragetanks,thatthesamplehasa)Akinematic viscosity ofgreaterthanorequalto1.9centistokes butlessthanorequalto4.1centistokes 0at40C(alternatively, Sayboltviscosity, SUSat0100Fofgreaterthanorequalto32.6butlessthanorequalto40.1),ifgravitywasnotdetermined bycomparison withsupplier's certification.

b)Aflashpointequaltoorgreaterthen125F.*Thedieselgenerator start(10seconds)fromambientconditions shallbeperformed atleastonceper184daysinthesesurveillance tests.Allotherenginestartsforthepurposeofthissurveillance testingandcompensatory actionmaybeatreducedacceleration ratesasrecommended bythemanufacturer sothatmechanical stressandwearonthedieselengineareminimized.

    • Theactionstobetakenshouldanyoftheproperties befoundoutsideofspecified limitsaredefinedintheBases.D.C.COOK-UNIT23/48-3Amendment No.

ELECTRICAL POWERS'i~SSURVEILLANCE REUIREMENTS Continued 2)Byverifying, inaccordance withthetestspecified inASTMD1298-80andpriortoaddingthenewfueltothestoragetanks,thatthesamplehaseitheranAPIgravityofgreaterthanorequalto30degreesbutlessthanorequalto40degreesat60Foranabsolutespecificgravityat60/60F00ofgreaterthanorequalto0.82butlessthanorequalto0'8,oranAPIgravityofwithin0.3degreesat60Fwhencomparedtothesupplier's certificate oraspecificgravityofwithin0.0016at60/60Fwhencomparedtothesupplier's certificate.

3)Byverifying, inaccordance withthetestspecified inASTMD4176-82andpriortoaddingnewfueltothestoragetanks,thatthesamplehasaclearandbrightappearance withpropercolor.4)Byverifying within31daysofobtaining thesamplethattheotherproperties specified inTable1ofASTMD975-81arewithintheappropriate limitswhentestedinaccordance withASTMD975-81exceptthattheanalysisforsulfurmaybeperformed inaccordance withASTMD2622-82.

Atleastonceper31daysbyobtaining asampleoffueloilfromthestoragetanksinaccordance withASTMD2276-83, andverifying thattotalparticulate contamination islessthan10mg/literwhentestedinaccordance withASTMD2276-83, MethodA+*.Atleastonceper18months,duringshutdown, by:1.Subjecting thedieselenginetoaninspection inaccordance withprocedures preparedinconjunction withitsmanufacturer's recommendations forthisclassofstandbyservice,2.Verifying thegenerator capability torejectaloadgreaterthanorequalto600kwwhilemaintaining voltageat4160+420voltsandfrequency at60+1.2Hz,3.Verifying thegenerator capability torejectaloadof3500kwwithoutexceeding 75%ofthedifference betweennominalspeedandtheoverspeed tripsetpoint, 4.Simulating alossofoffsitepowerbyitself,and:a)Verifying de-energization oftheemergency bussesandloadsheddingfromtheemergency busses,**Theactionstobetakenshouldanyoftheproperties befoundoutsideofthespecified limitsaredefinedintheBases.D.C.COOK-UNIT23/48-4Amendment No.

ELECTRICAL POWERSSSURVEILLANCE REUIREMENTS Continued b)Verifying thatthedieselstartsontheauto-start signal,energizes theemergency busseswithpermanently connected loadswithin10seconds,energizes theauto-connected shutdownloadsthroughtheloadsequencer andoperatesforgreaterthanorequalto5minuteswhileitsgenerator isloadedwiththeshutdownloads.Afterloadsequencing iscompleted, thesteadystatevoltageandfrequency oftheemergency bussesshallbemaintained at4160+420voltsand60+1.2Hzduringthetest.5~Verifying that,onaSafetyInjection actuation testsignal(withoutlossofoffsitepower),thedieselgenerator startsontheauto-start signalandoperatesonstandbyforgreaterthanorequalto5minutes,6.Simulating alossofoffsitepowerinconjunction withaSafetyInjection actuation testsignal,andby:a)Verifying de-energization oftheemergency bussesandloadsheddingfromtheemergency busses,b)Verifying thedieselstartsontheauto-start signal,energizes theemergency busseswithpermanently connected loadswithin10seconds,energizes theauto-connected emergency (accident) loadsthroughtheloadsequencer andoperatesforgreaterthanorequalto5minuteswhileitsgenerator isloadedwiththeemergency loads.Afterloadsequencing iscompleted, thesteadystatevoltageandfrequency oftheemergency bussesshallbe4160+420voltsand60+1.2Hz.Thevoltageandfrequency shallbemaintained withintheselimitsfortheremainder ofthistest,andc)Verifying thatallautomatic dieselgenerator trips,exceptengineoverspeed andgenerator differential, areautomatically bypasseduponlossofvoltageontheemergency busand/orSafetyInjection actuation signal.7.Verifying thatthedieselgenerator operatesforatleast24hours.Duringthistestthedieselgenerator shallbeloadedto3500kw.Within5minutesaftercompleting this24-hourtest,performSurveillance Requirement 4.8.1.1.2.e.4.

8.Verifying thattheauto-connected loadstoeachdieselgenerator donotexceed3500kw.9.Verifying thedieselgenerator's capability to:D.C.COOK-UNIT23/48-5Amendment No.

ELECTRICAL POWERSSSURVEILLANCE REUIREMENTS Continued a)Synchronize witht'eoffsitepo~ersourcewhilethegenerator isloadedwithit'semergency loadsuponasimulated restoration ofoffsitepower,b)Transferitsloadstotheoffsitepowersource,and~c)Berestoredtoitsstandbystatus.10.Verifying thatwiththedieselgenerator operating inatestmodewhileconnected toitstestload,asimulated SafetyInjection signaloverrides thetestmodeby:a)Returning thedieselgenerator tostandbyoperation, andb)Verifying theemergency loadsareservicedbyoffsitepower.f.Atleastonceper10yearsby:1.Drainingeachfueloilstoragetank,removingtheaccumulated

sediment, andcleaningthetank,oragitating thefueloilinthestoragetankandthenpumpingtheoilfromthebottomofthetank,througha5-micronfilter,andbacktotheoppositeendofthetank.2.Performing aprecision leakdetection testtoverifythattheleakageratefromthefueloilsystemislessthanorequalto.05gallonsperhour.D.C.COOK-UNIT2-3/48-5aAmendment No.

34.8ELECTRICAL POWERSYSTEMSBASESTheOPERABILITY oftheA.C.andDAC.powersourcesandassociated distribution systemsduringoperation ensuresthatsufficient powerwillbeavailable tosupplythesafetyrelatedequipment requiredfor1)thesafeshutdownofthefacilityand2)themitigation andcontrolofaccidentconditions withinthefacility.

Theminimumspecified independent andredundant A.CDandD.C.powersourcesanddistribution systemssatisfytherequirements ofGeneralDesignCriteria17ofAppendix"A"to10CFR50.TheACTIONrequirements specified forthelevelsofdegradation ofthepowersourcesproviderestriction uponcontinued facilityoperation commensurate withthelevelofdegradation.

TheOPERABILITY ofthepowersourcesareconsistent withtheini.tialcondition assumptions oftheaccidentanalysesandarebaseduponmaintaining atleastoneredundant setofonsiteA.C.andD.Cpowersourcesandassociated distribution systemsOPERABLEduringaccidentconditions coincident withanassumedlossofoffsitepowerandsinglefailureoftheotheronsiteA.C.source.TheOPERABILITY oftheminimumspecified A.C.andD.C.powersourcesandassociated distribution systemsduringshutdownandrefueling ensuresthat1)thefacilitycanbemaintained intheshutdownorrefueling condition forextendedtimeperiodsand2)sufficient instrumentation andcontrolcapability isavailable formonitoring andmaintaining thefacilitystatus.Inreference toSpecification 3.8.1.1Actionb,thephrase"andanaccumulated annualoutagetimeof576hoursexclusive ofMODES5and6"shallbeinterpreted asfollows.Thisphrasereferstotheamountoftimethedieselgenerator hasbeeninoperable inthepast365dayswhileinMODES1,2,3,and4.ThistimeincludestheamountoftimespentinACTIONstatements exceptforthetimeutilizedforregularly scheduled surveillances.

Theaccumulated annualoutagetimeisresettozerouponsuccessful completion ofthedieselgenerator requalification program(Attachment 2toTable4.8-1).ThetrainNstationbatterysystemprovidesanindependent 250voltDCpowersupplyforpowerandcontroloftheturbinedrivenauxiliary feedwater pumptrain.Thelimitingconditions ofoperation forthetrainNbatteryareconsistent withtherequirements oftheauxiliary feedwater system.Thesurveillance requirements forthetrainNbatterysystemareconsistent withtherequirements oftheABandCDstationbatteries.

ThetrainNbatteryloadsarederivedfromequipment intheturbinedrivenauxiliary feedwater pumptrainandbatterysizingisconsistent withthefunctional requirements ofthesecomponents.

Simulated loadsforbatterytestsareloadsequivalent tomeasuredactualloads.D.C.COOK-UNIT2B3/48-1Amendment No.

34.8ELECTRICAL POWERSYSTEMS(Continued)

BASESRemovalofaccumulated waterasrequiredby4.8.1.1.2.b.2 isperformed bydrawingthecontentsoffthebottomofthetankuntilacceptable resultsareobtainedforeitheratapetestorawaterandsedimenttest.Anacceptable resultforthewaterandsedimentcontentisameasuredvaluelessthan0.05percentvolume.Thesamplespecified in4.8.1.1.2.c.4 issentoffsitefortesting.Aseriousattemptwillbemadetomeetthe31-daylimitontheoffsitetests;however,ifforsomereasonthislimitisnotmet(e.g.,ifthesampleislostorbrokenoriftheresultsarenotreceivedin31days),thedieselgenerators shouldnotbeconsidered inoperable.

Ifthesampleislost,broken,orfailstheoffsitetestsandthenewoilhasalreadybeenputintothestoragetank,theoffsitetestswillbeperformed onasampletakenfromthestoragetank.Iftheresultsonthesubsequent storagetanksamplearenotwithinspecified limits,thedieselgenerators shouldbeconsidered OPERABLEandtheout-of-spec properties shouldbereturnedtowithinspecification assoonaspossible.

Ifastoragetanksamplefailstheparticulate contamination test,thedieselgenerators shouldbeconsidered OPERABLEandthecontamination levelshouldberestoredtobelow10mg/literassoonaspossible.

Theprecision leak-detection testdescribed inSurveillance Requirement 4.8.1.1.2.f.2 shouldbeperformed asdescribed inNFPA(National FireProtection Association)

-329.AsNFPA-329isrevised,theprecision leak-detection testmaybemodifiedtoincorporate changestothetestasdescribed intherevisions toNFPA-329.

D.C.COOK-UNIT2B3/48-2Amendment No.

ATTACHMENT 3TOAEP:NRC:0896G FLOWDIAGRAMOFDIESELFUELOILTANKSANDEXPLANATION OFWHYEMPTYINGTANKSREQUIRESDUALUNITSHUTDOWN Attachment 3toA~a.NRC:0896G AsshownonFigures1and2,the"AB"tanksuppliesfueltotheUnit1"AB"dieselgenerator andtheUnit2"AB"dieselgenerator, whilethe"CD"tanksuppliesfueltotheUnit1"CD"dieselgenerator andtheUnit2"CD"dieselgenerator.

Figure3showsthelocationofthetanksrelativetoeachother.Thereisnocross-tie betweenthetanks;therefore, toemptyeithertanktocleanitwouldrequiremakingadieselgenerator ineachunitinoperable.

Sincecleaningthetankscannotbeaccomplished withinthe72-hourActionStatement ofT/S3.8.1.1,emptyingthetankstocleanthemwouldrequirebothunitstobeshutdown.

OIESELFUELOILSTORAGE.AND TRANSFERSYSTEM~FILLCCPIN.4vtHISVILOIHCWALLAA871%fSAHHOLC1.0fIOIAIOOIC5tLfVCLOILOAVTAIIHIhbSCtPDDCI'SOIADM/bICÃIOSASSCSOICSAIOalOAYTAWlSCTHDSODDS.SACTCII'LIDDDD5SSOfIONIAH~ALACHCCSIS'PIOLA COALAAPICL~AbfCCOLbIIIIOfIITLTRIIOfIIIOfllbhI-0FIII'13IOflithOfK@ACSDIIIII~ILCRPIKICET-IOSAblIfjIQTIOS.AB2~LPII4THP'<IS1~IPJAblPl5TNO.AOI112LPIllIOIT-IOCDhb25TN9AberAbTANKI'RrTAM.W~~t2'SAPIPlg DOCSCCPINLECCN0DDMDDIIDDOID SIILDLDAllXILIARY PIPIHC(SIOICSCL fVCLODLTAAWSfthPVHPS(YIITHCIALTIHRCLICFVALYCS)(2PCRCNCIHC2HPSIAAPslCO)PMIDIPICOOAPIA5$00CPSICACN(IlOICSCLfVCLOII.STOAAbtTAHICS.RVRICOIHYARO(IfCR2CICIIHCSCQXQCALLCAPACITYCACH)(SIOIIOLCLIvAATHfORICHCDIINATfIRLLOAOl lt&OIAfTX0LOHCCC1DonaldC.CookNuclearPlantNovember24,l987Figure1 EYLS.CEFSSnDIESELFUELOILSTORAGE.AIID TRANSFERSYSTEMGQAO'EKL.OOS'BUILDll4G WALL3DES~cI4KtII3-l~~~SI~~s-s~gLOALIEPMClXWASOVCQCBSSS'-O'(SSQ tS~SnCt.OrSSDCLIE5II~~IcLPXII)0ESF<LPXt2I4LPII3t'OtlljCt.lfDlgCDTANKl2-TK-4'7-CD XuCARI!2OTOCCDIIAISTN-8-CDI ELEV.587:0IFEaT.SOS.COXRaTea,<OSSTNWCD2LE.STN.S.CDI tOPEOCt't'EDS9CQttotmcusLIII(I)DIESEL FUELOILSTORAGETANKS-BURIED INYAIIQ(IPER2ENGINES60000GALS.CAPACITYEACH)(240HOURSWORTHFORIENGINEATFULLLOAD)l2'-0DIA.EE12'-0LOIIGSC.-ILEGENDDIESELFUELDILSUPPLYAUXILIARY FIFIIR,DonaldC.CookNuclearPlantNovember24,1987Figure2(2)DiESELFUELOILTRANSFERPUMPSQT-l06(WITHBUILTINRELIEFVALVES)244VQOOli?PIYFI 356PM NRAILROAPTRACK~ROAPCONPENSATK STORAGETAI:KPRIMARYWATERSTORAGETANKe'RIMARYWATER5TORAG'ETANKCONPENSATE STORAGETANKOaR'EACTOPCONTAINME.NTUNITNeIREACTORCONTAINMKNT UNITNe2IREFUELING WATERSTORAGETANKREFUELINC, WATERSTORAGE.TANK4Whll)(WAYIICDIDIESfLFUELOILTRANSFERPUMP5DIESELFUELOILOAYTANKS/UNITNeIUN'ITNe2DIESELf'UKLOILTRAHSFERPUMPSDIESELFUELOLOAYTANKSFILLCoeIH.ICDAUXILIARY BUILPINGCDCDlblbfMERGENCYPIKSKLGKNERA'IORS DIESELFUELOILEGUIPlIENT LOCATIONPI.ANEMERGENCY PlfSELGENERATORS (OME-150)

IKSELFuf.LOILSTORAGETANIEI(bURIED)WLIIe~vI-I'u.~u~EASIIIAeeIAb.IlbIIDIESELFUELOILSTORAGE.TANK(bURIKD)Figure3DonaldC.CookNuclearPlantNovember24,1987 pet~~~$