ML17244A373: Difference between revisions

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=Text=
=Text=
{{#Wiki_filter:BEGULAT(INFORMATION.DISTRIBUTIONSTEM(BIDS)i.ACCESSIONNBBi7902210190DOC.DATE<79/02/I3NOTARIZED~NODOCKETiI'ACIL!50-244RobertEmmetGinnaNucl,earPowerPlant,Unit'I,Roches05000244AUTH.NAMEAUTHORAFFILIATIONWITE,L.D.RochesterGas8ElectricCorp.RECI.P-NAMERECIPIENTAFFILIATI.ONZIEMANN,D.L..OpevatingRectoryBranch2
{{#Wiki_filter:BEGULAT(INFORMATION.
DISTRIBUTION STEM(BIDS)i.ACCESSION NBBi7902210190DOC.DATE<79/02/I3NOTARIZED~NODOCKETiI'ACIL!50-244 RobertEmmetGinnaNucl,earPowerPlant,Unit'I,Roches05000244AUTH.NAMEAUTHORAFFILIATION WITE,L.D.
Rochester Gas8ElectricCorp.RECI.P-NAME RECIPIENT AFFILIATI.ON ZIEMANN,D.L.
.Opevating RectoryBranch2


==SUBJECT:==
==SUBJECT:==
Forwardsinforearrangement8,actuationlogicforICSafety0In)ectionPump.Reportsthatlogicarrangementmeetsseparation8.singlefailurecriteria.DISTRIBUTIONCODE~AOOISCOPIFSRECEIVED-'LTR~ENCL~SIZE>TITLE.~GENERALDISTRIBUTIONFORAFTERISSUANCEOFOPERATINGLICNOTES:t~~~~<<~~L.ACTIONSINTEBNAL~BEGIPIENTIDCODE/NAME05BCeg~~03GFILE1.215COBE.PERFBR17ENGRBR19.PLANTSYSBR21EFLTTRTSYSCOPIESLTTRENCLI2.II.I'EGIPIENTIDCODE/NAME02NRCPDR.14TA/EDOI6ADSYS/PROJ1.8REACSFTYBR20FEB22BRINKMANCOPIESLTTRENCLI.III.II'XTERNAL<03LPDR23ACBS,I,16I04NSICFEB'2RS7$TOTALNUMBEROFCOPIESREQUIBED!LTTB38ENCL38 pahl.kIh' RQCHES7ZRGAS4,'(0ELI=CTRICCORPOQ4TIO,'489"-4574V."=i'I(!8ROC'"S7""2,H.Y.146~9i.CONQ.WHITK.JR.VJCtPRC910!NTtg,yeagag~ogAgrotsic0<<6zi00February13,1979DirectorofNuclearReactorRegulationAttention:Mr.DennisL.Ziemann,ChiefOperatingReactorsBranchNo.2U.S.NuclearRegulatoryCommissionWashington,D.C.20555Sub'ect:SEPToicVII-7,"AccetabilitofSwinBusDesin"
Forwardsinforearrangement 8,actuation logicforICSafety0In)ection Pump.Reportsthatlogicarrangement meetsseparation 8.singlefailurecriteria.
DISTRIBUTION CODE~AOOISCOPIFSRECEIVED-'LTR
~ENCL~SIZE>TITLE.~GENERALDISTRIBUTION FORAFTERISSUANCEOFOPERATING LICNOTES:t~~~~<<~~L.ACTIONSINTEBNAL~BEGIPIENTIDCODE/NAME 05BCeg~~03GFILE1.215COBE.PERFBR17ENGRBR19.PLANTSYSBR21EFLTTRTSYSCOPIESLTTRENCLI2.II.I'EGIPIENTIDCODE/NAME 02NRCPDR.14TA/EDOI6ADSYS/PROJ1.8REACSFTYBR20FEB22BRINKMANCOPIESLTTRENCLI.III.II'XTERNAL<
03LPDR23ACBS,I,16I04NSICFEB'2RS7$TOTALNUMBEROFCOPIESREQUIBED!LTTB38ENCL38 pahl.kIh' RQCHES7ZR GAS4,'(0ELI=CTRIC CORPOQ4TIO,'4 89"-4574V."=i'I(!8 ROC'"S7""2,H.Y.146~9i.CONQ.WHITK.JR.VJCtPRC910!NT tg,yeagag~ogAgrotsic0<<6zi00February13,1979DirectorofNuclearReactorRegulation Attention:
Mr.DennisL.Ziemann,ChiefOperating ReactorsBranchNo.2U.S.NuclearRegulatory Commission Washington, D.C.20555Sub'ect:SEPToicVII-7,"AccetabilitofSwinBusDesin"


==DearMr.Ziemann:==
==DearMr.Ziemann:==
Theinformationinthisletterisbeingprovidedinresponsetoarequestfromamemberofyourstaffrelativetotheactuationlogicforthe1CSafetyInjectionPump.Thelogicschemeforthispumpissuchthatitcanbeautomaticallytiedtoeithersafeguardsbus14or16,thetworedundantsourcesofemergencyonsitepower.However,nosinglefailurecancauseparalleloperationofthetworedundantbuses,orcausebothbusestoberenderedinoperable.1)ActuationlogicforthelA,1B,and1Cpumpsisshownonelementarywiringdiagrams10905-73,10905-74,and10905-75,whichwereincludedinacomprehensivepackageofGinnaelectricaldrawingstransmittedtoyouonNovember22,1978;2)Thearrangementandactuationlogicforpump'1Cisessentiallythis:whenasafetyinjectionsignalisgenerated,Agastattimer2/SIP1C2automaticallytiesSIpump1Ctobus14after5secondsbyclosingbreaker52/SIP1C2.Anormallyclosedcontact(b)offbreaker52/SIPlC2openswhenthebreakercloses.Theopeningofthiscontactwillprevent.breaker52/SIPlCl,whichwouldenergizeSIpump1Cfromsafeguardsbus16,fromclosing.IfAgastattimer2/SIPlC2failed,anotherredundanttimer2/SIP1Cl,wouldtiePump1Ctobus16byclosingbreaker52/SIP1C1afteranadditional2seconds.Anormallyclosedcontact(b)off52/SIP1C1wouldopenwhenthisbreakerclosed,thusfurtherensuringVBOKZ%0(CtO gC'p4P%w4 rI4~ROCHESTERCASANDELECTRICCORP.DATEFebruary13,1979ToDirectorofNuclearReactorRegulationSHEETNO.2thatPump1Ccouldnotbetiedtobus14.Thisarrangementmeetsseparationandsinglefailurecriteria,sinceitwouldrequirethesimultaneousfailureofabreakerandatimingrelay(Agastat)totiebuses14and16togetherthroughSIPump1C.Verytrulyyours,}}
Theinformation inthisletterisbeingprovidedinresponsetoarequestfromamemberofyourstaffrelativetotheactuation logicforthe1CSafetyInjection Pump.Thelogicschemeforthispumpissuchthatitcanbeautomatically tiedtoeithersafeguards bus14or16,thetworedundant sourcesofemergency onsitepower.However,nosinglefailurecancauseparalleloperation ofthetworedundant buses,orcausebothbusestoberenderedinoperable.
1)Actuation logicforthelA,1B,and1Cpumpsisshownonelementary wiringdiagrams10905-73, 10905-74, and10905-75, whichwereincludedinacomprehensive packageofGinnaelectrical drawingstransmitted toyouonNovember22,1978;2)Thearrangement andactuation logicforpump'1Cisessentially this:whenasafetyinjection signalisgenerated, Agastattimer2/SIP1C2automatically tiesSIpump1Ctobus14after5secondsbyclosingbreaker52/SIP1C2.
Anormallyclosedcontact(b)offbreaker52/SIPlC2 openswhenthebreakercloses.Theopeningofthiscontactwillprevent.breaker52/SIPlCl, whichwouldenergizeSIpump1Cfromsafeguards bus16,fromclosing.IfAgastattimer2/SIPlC2failed,anotherredundant timer2/SIP1Cl, wouldtiePump1Ctobus16byclosingbreaker52/SIP1C1 afteranadditional 2seconds.Anormallyclosedcontact(b)off52/SIP1C1 wouldopenwhenthisbreakerclosed,thusfurtherensuringVBOKZ%0(CtO gC'p4P%w4 rI4~ROCHESTER CASANDELECTRICCORP.DATEFebruary13,1979ToDirectorofNuclearReactorRegulation SHEETNO.2thatPump1Ccouldnotbetiedtobus14.Thisarrangement meetsseparation andsinglefailurecriteria, sinceitwouldrequirethesimultaneous failureofabreakerandatimingrelay(Agastat) totiebuses14and16togetherthroughSIPump1C.Verytrulyyours,}}

Revision as of 15:04, 29 June 2018

Forwards Info Re Arrangement & Actuation Logic for 1C Safety Injection Pump.Reports That Logic Arrangement Meets Separation & Single Failure Criteria
ML17244A373
Person / Time
Site: Ginna Constellation icon.png
Issue date: 02/13/1979
From: WHITE L D
ROCHESTER GAS & ELECTRIC CORP.
To: ZIEMANN D L
Office of Nuclear Reactor Regulation
References
TASK-06-07.A3, TASK-06-07.C1, TASK-6-7.A3, TASK-6-7.C1, TASK-RR NUDOCS 7902210190
Download: ML17244A373 (5)


Text

BEGULAT(INFORMATION.

DISTRIBUTION STEM(BIDS)i.ACCESSION NBBi7902210190DOC.DATE<79/02/I3NOTARIZED~NODOCKETiI'ACIL!50-244 RobertEmmetGinnaNucl,earPowerPlant,Unit'I,Roches05000244AUTH.NAMEAUTHORAFFILIATION WITE,L.D.

Rochester Gas8ElectricCorp.RECI.P-NAME RECIPIENT AFFILIATI.ON ZIEMANN,D.L.

.Opevating RectoryBranch2

SUBJECT:

Forwardsinforearrangement 8,actuation logicforICSafety0In)ection Pump.Reportsthatlogicarrangement meetsseparation 8.singlefailurecriteria.

DISTRIBUTION CODE~AOOISCOPIFSRECEIVED-'LTR

~ENCL~SIZE>TITLE.~GENERALDISTRIBUTION FORAFTERISSUANCEOFOPERATING LICNOTES:t~~~~<<~~L.ACTIONSINTEBNAL~BEGIPIENTIDCODE/NAME 05BCeg~~03GFILE1.215COBE.PERFBR17ENGRBR19.PLANTSYSBR21EFLTTRTSYSCOPIESLTTRENCLI2.II.I'EGIPIENTIDCODE/NAME 02NRCPDR.14TA/EDOI6ADSYS/PROJ1.8REACSFTYBR20FEB22BRINKMANCOPIESLTTRENCLI.III.II'XTERNAL<

03LPDR23ACBS,I,16I04NSICFEB'2RS7$TOTALNUMBEROFCOPIESREQUIBED!LTTB38ENCL38 pahl.kIh' RQCHES7ZR GAS4,'(0ELI=CTRIC CORPOQ4TIO,'4 89"-4574V."=i'I(!8 ROC'"S7""2,H.Y.146~9i.CONQ.WHITK.JR.VJCtPRC910!NT tg,yeagag~ogAgrotsic0<<6zi00February13,1979DirectorofNuclearReactorRegulation Attention:

Mr.DennisL.Ziemann,ChiefOperating ReactorsBranchNo.2U.S.NuclearRegulatory Commission Washington, D.C.20555Sub'ect:SEPToicVII-7,"AccetabilitofSwinBusDesin"

DearMr.Ziemann:

Theinformation inthisletterisbeingprovidedinresponsetoarequestfromamemberofyourstaffrelativetotheactuation logicforthe1CSafetyInjection Pump.Thelogicschemeforthispumpissuchthatitcanbeautomatically tiedtoeithersafeguards bus14or16,thetworedundant sourcesofemergency onsitepower.However,nosinglefailurecancauseparalleloperation ofthetworedundant buses,orcausebothbusestoberenderedinoperable.

1)Actuation logicforthelA,1B,and1Cpumpsisshownonelementary wiringdiagrams10905-73, 10905-74, and10905-75, whichwereincludedinacomprehensive packageofGinnaelectrical drawingstransmitted toyouonNovember22,1978;2)Thearrangement andactuation logicforpump'1Cisessentially this:whenasafetyinjection signalisgenerated, Agastattimer2/SIP1C2automatically tiesSIpump1Ctobus14after5secondsbyclosingbreaker52/SIP1C2.

Anormallyclosedcontact(b)offbreaker52/SIPlC2 openswhenthebreakercloses.Theopeningofthiscontactwillprevent.breaker52/SIPlCl, whichwouldenergizeSIpump1Cfromsafeguards bus16,fromclosing.IfAgastattimer2/SIPlC2failed,anotherredundant timer2/SIP1Cl, wouldtiePump1Ctobus16byclosingbreaker52/SIP1C1 afteranadditional 2seconds.Anormallyclosedcontact(b)off52/SIP1C1 wouldopenwhenthisbreakerclosed,thusfurtherensuringVBOKZ%0(CtO gC'p4P%w4 rI4~ROCHESTER CASANDELECTRICCORP.DATEFebruary13,1979ToDirectorofNuclearReactorRegulation SHEETNO.2thatPump1Ccouldnotbetiedtobus14.Thisarrangement meetsseparation andsinglefailurecriteria, sinceitwouldrequirethesimultaneous failureofabreakerandatimingrelay(Agastat) totiebuses14and16togetherthroughSIPump1C.Verytrulyyours,