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{{#Wiki_filter:RIORITY] | {{#Wiki_filter:RIORITY]ACCELERATED RIDSPROCESSING REGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)ACCESSION NBR:9506200465 DOC.DATE: | ||
95/06/15NOTARIZED: | |||
YESDOCKETgFACIL:50-315 DonaldC.CookNuclearPowerPlant,Unit1,IndianaM0500031550-316DonaldC.CookNuclearPowerPlant,Unit2,IndianaM05000316AUTH.NAMEAUTHORAFFILIATION FITZPATRICK,E. | |||
IndianaMichiganPowerCo.(formerly Xndiana&MichiganEleF'ECIP.NAME RECIPIENT AFFILIATION DocumentControlBranch(Document ControlDesk)R | |||
==SUBJECT:== | ==SUBJECT:== | ||
Application foramendstolicensesDPR-58&DPR-74,revising TS4.8.1.1.2.e.7 toreducedurationofsurveillance testingforEDGsduringrefueling operations from24hto8h.DISTR1BUTION CODE:AOOIDCOPIESRECEIVED:LTR IENCLgSIZE:TITLE:ORSubmittal: | |||
GeneralDistribution NOTES0INTERNALRECIPIENT IDCODE/NAME PD3-1LAHICKMAN,J 1EECENTER1CBNRR/DSSA/SRXB OGC/HDS2COPIESLTTRENCL111111111110RECIPIENT IDCODE/NAME PD3-1PDNRR/DE/EMCB NRR/DSSA/SPLB NUDOCS-ABSTRACT COPIESLTTRENCL11111111EXTERNAL: | |||
NOAC11NRCPDR11DCUNNOTETOALL"RIDS"RECIPIENTS: | |||
PLEASEHELPUSTOREDUCEKVASTE!CONTACTTHEDOCUiIENT CONTROLDESK,ROOMPI-37(EXT.504-2083)TOELIS!!NATE YOUR4AMLFROMDISTRIBUTION LISTSI'ORDOCUMENTS YOUDON"I'EED!TOTALNUMBEROFCOPIESREQUIRED: | |||
LTTR12ENCL11 | |||
IndianaMicIdganPowerCompany~ŽP.O.Box16631Columbus,OH43216June15,1995AEP:NRC: | IndianaMicIdganPowerCompany~ŽP.O.Box16631Columbus, OH43216June15,1995AEP:NRC:0896V DocketNos.:50-31550-316U.S.NuclearRegulatory Commission ATTN:DocumentControlDeskWashington, D.C.20555Gentlemen: | ||
U.S. | DonaldC.CookNuclearPlantUnits1and2TECHNICAL SPECIFICATION CHANGESTOMODIFYSURVEILLANCE TESTINGOFTHEEMERGENCY DIESELGENERATORS DURINGREFUELING Thisletteranditsattachments constitute anapplication foramendment tothetechnical specifications (T/Ss)forDonaldC.CookNuclearPlantUnits1and2.Specifically, weareproposing toimplement changestomodifysurveillance testingfortheemergency dieselgenerators (EDGs)duringrefueling operations. | ||
U.S. | Attachment 1providesadetaileddescription oftheproposedchanges,thejustification forthechanges,andourdetermination ofnosignificant hazardsconsideration performed pursuantto10CFR50.92.Attachment 2containstheexistingT/Spagesmarkedtoreflecttheproposedchanges.Attachment 3containstheproposedT/Spages.Attachment 4providesatechnical evaluation report.Inaddition, thisisacostbeneficial licensing action(CBLA)submittal andrepresents ahighpriorityitemsinceitwill,onceapproved, resultinasignificant reduction inoperating cost.Thelifetimecostsavingassociated withthisCBLAisapproximately | ||
$600,000,asdetailedinAttachment 5.Webelievethattheproposedchangeswillnotresultin(1)asignificant changeinthetypesofanyeffluentthatmaybereleasedoffsite,or(2)asignificant increaseinindividual orcumulative occupational radiation exposure. | |||
l9506200465 950b15PDRADOCK05000315pPDR Il'rp-<< | |||
U.S.NuclearRegulatory Commission Page2AEP:NRC:0896V TheseproposedchangeshavebeenreviewedbythePlantNuclearSafetyReviewCommittee andwillbereviewedbytheNuclearSafetyandDesignReviewCommittee atitsnextregularly scheduled meeting.Incompliance withtherequirements of10CFR50'1(b)(1), | |||
copiesofthisletteranditsattachments havebeentransmitted totheMichiganPublicServiceCommission andtotheMichiganDepartment ofPublicHealth.Thisletterissubmitted pursuantto10CFR50.30(b)and,assuch,anoathstatement isattached. | |||
Sincerely, VicePresident SWORNTOANDSUBSCRIBED BEFOREMETHIS~begDAYOF~..1995NoaryPubliccadAttachments T | |||
U.S.NuclearRegulatory Commission Page3AEP:NRC:0896V CC:A.A.BlindG.CharnoffJ.B.MartinNFEMSectionChiefNRCResidentInspector | |||
-BridgmanJ.R.Padgett ATTACHMENT 1TOAEP:NRC:0896V DESCRIPTION ANDJUSTIFICATION OFCHANGES10CFR50.92ANALYSISFORCHANGESTOTHEDONALDC.COOKNUCLEARPLANTUNITS1AND2TECHNICAL SPECIFICATIONS Attachment 1toAEP:NRC:0896V Page1A.DESCRIPTION OFCHANGESThechangesproposedbythisletterinvolvetheemergency dieselgenerator (EDG)18month24hoursurveillance test.Thechangesaredescribed individually asfollows:Emergency DieselGenerator Surveillance Requirements T/S:4.8.1.1.2.e.7 (Units1and2)Page:3/48-6(Units1and2)1)Reducethedurationofthesurveillance testfrom24hoursto8hours.2)Modifythefootnoteassociated withtheasteriskattheendof4.8.1.1.2.e.7 toreflectthereduction ofthesurveillance testfrom24hoursto8hours.B.JUSTIFICATION FORCHANGESTheproposedchangesinvolvethe18month24hourEDGsurveillance whichisimplemented byplantprocedure. | |||
Theproposedchangesaredesignedtoreduceoperating costs,increaseoutagescheduling flexibility, reduceshutdownrisk,andincreasediesellife.Reducingthesurveillance timefrom24to8hourswouldsignificantly improveoutageperformance withoutreducingEDGreliability. | |||
Basedonexamination ofCookNuclearPlanttestdata.from'1974 to1994,itisclearthatextensive runtimesbeyond.the..''pointwheretheEDG'i'ssta'rted, loa'dedto:3500KW, andachievesane'quilibrium | |||
.condition provide'ittleinsightregarding EDG.reliability. | |||
Theenginesteady-state characteristics areachievedinapproximately'2 ho'ursandthedominantfailuremodesoftheEDGareexpectedtooccur.wi'thinthisperiod.Xnaddition, r'eviewofthe'4.hour,te'st "data'rom1974'to1994does'not.;indicate~he,discovery | |||
.ofanyabnoraral conditions thatwould'have'je'opardized'the' | |||
'ieselfromcompleting itsmissionduringanactualemergency demand.Therefore, asdescribed inAttachment 4,reduction ofthetestdurationfroma24toan8hourperiodwillmaintainanequivalent levelofconfidence inEDGreliability andmayactuallyimproveoverallEDGreliability. | |||
Attachment 1toAEP:NRC:0896V Page2C.10CFR502CRITERIAPer10CFR50.92,aproposedchangedoesnotinvolveasignificant hazardsconsideration ifthechangedoesnot:involveasignificant increaseintheprobability orconsequences ofanaccidentpreviously evaluated, createthepossibility ofanewordifferent kindofaccidentfromanyaccidentpreviously evaluated, orinvolveasignificant reduction inamarginofsafety.Criterion 1ThesafetyfunctionoftheEDGsistosupplyacelectrical powertoplantsafetysystemswheneverthepreferred acpowersupplyisunavailable. | |||
Throughsurveillance requirements, theabilityoftheEDGstomeettheirloadandtimingrequirements istestedandthequalityofthefuelandtheavailability ofthefuelsupplyaremonitored. | |||
Reduction ofthe24hourrunto8hourswillnotreducethesurveillance factorsunderconsideration andwillsufficiently exercisetheEDGanditssupportsystemstoidentifypotential conditions thatcouldleadtoperformance degradation (SeeAttachment 4).Basedontheseconsiderations, itisconcluded thattheproposedchangesdonotinvolveasignificant increase'n theprobability orconsequences ofanaccidentpreviously evaluated. | |||
0Criterion 2Theproposedchangesdonotinvolvephysicalchangestotheplantorchanges.in'lantoperating | |||
.configuration. | |||
Thechangesonlyinvolvethereduction of'18moth24:hourEDG.survei3.lanpe testdur'ation, Thus,',it. | |||
is'"~'.concluded thatthe.proposedchanges.donot'create'he possibility of".anewordifferent kindofaccidentfromanyaccidentpreviously evaluated. | |||
Criterion 3Althoughthedurationofthe18month24hourEDGsurveillance testwouldbereduce'd, theEDGcomponents willcontinuetobesufficiently exercised suchthattheabilitytodetectincipient anddegradedconditions willbemaintained (SeeAttachment 4,Figure2).Theproposedchangeshavebeendetermined tobecompatible withourplantoperating experience andcommensurate withpastsurveillance testresults.Basedontheseconsiderations, itisconcluded thattheproposedchangesdonotinvolveasignificant reduction inamarginofsafety.}} |
Revision as of 08:01, 29 June 2018
ML17332A799 | |
Person / Time | |
---|---|
Site: | Cook |
Issue date: | 06/15/1995 |
From: | FITZPATRICK E INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG |
To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
Shared Package | |
ML17332A800 | List: |
References | |
AEP:NRC:0896V, AEP:NRC:896V, NUDOCS 9506200465 | |
Download: ML17332A799 (10) | |
Text
RIORITY]ACCELERATED RIDSPROCESSING REGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)ACCESSION NBR:9506200465 DOC.DATE:
95/06/15NOTARIZED:
YESDOCKETgFACIL:50-315 DonaldC.CookNuclearPowerPlant,Unit1,IndianaM0500031550-316DonaldC.CookNuclearPowerPlant,Unit2,IndianaM05000316AUTH.NAMEAUTHORAFFILIATION FITZPATRICK,E.
IndianaMichiganPowerCo.(formerly Xndiana&MichiganEleF'ECIP.NAME RECIPIENT AFFILIATION DocumentControlBranch(Document ControlDesk)R
SUBJECT:
Application foramendstolicensesDPR-58&DPR-74,revising TS4.8.1.1.2.e.7 toreducedurationofsurveillance testingforEDGsduringrefueling operations from24hto8h.DISTR1BUTION CODE:AOOIDCOPIESRECEIVED:LTR IENCLgSIZE:TITLE:ORSubmittal:
GeneralDistribution NOTES0INTERNALRECIPIENT IDCODE/NAME PD3-1LAHICKMAN,J 1EECENTER1CBNRR/DSSA/SRXB OGC/HDS2COPIESLTTRENCL111111111110RECIPIENT IDCODE/NAME PD3-1PDNRR/DE/EMCB NRR/DSSA/SPLB NUDOCS-ABSTRACT COPIESLTTRENCL11111111EXTERNAL:
NOAC11NRCPDR11DCUNNOTETOALL"RIDS"RECIPIENTS:
PLEASEHELPUSTOREDUCEKVASTE!CONTACTTHEDOCUiIENT CONTROLDESK,ROOMPI-37(EXT.504-2083)TOELIS!!NATE YOUR4AMLFROMDISTRIBUTION LISTSI'ORDOCUMENTS YOUDON"I'EED!TOTALNUMBEROFCOPIESREQUIRED:
LTTR12ENCL11
IndianaMicIdganPowerCompany~ŽP.O.Box16631Columbus, OH43216June15,1995AEP:NRC:0896V DocketNos.:50-31550-316U.S.NuclearRegulatory Commission ATTN:DocumentControlDeskWashington, D.C.20555Gentlemen:
DonaldC.CookNuclearPlantUnits1and2TECHNICAL SPECIFICATION CHANGESTOMODIFYSURVEILLANCE TESTINGOFTHEEMERGENCY DIESELGENERATORS DURINGREFUELING Thisletteranditsattachments constitute anapplication foramendment tothetechnical specifications (T/Ss)forDonaldC.CookNuclearPlantUnits1and2.Specifically, weareproposing toimplement changestomodifysurveillance testingfortheemergency dieselgenerators (EDGs)duringrefueling operations.
Attachment 1providesadetaileddescription oftheproposedchanges,thejustification forthechanges,andourdetermination ofnosignificant hazardsconsideration performed pursuantto10CFR50.92.Attachment 2containstheexistingT/Spagesmarkedtoreflecttheproposedchanges.Attachment 3containstheproposedT/Spages.Attachment 4providesatechnical evaluation report.Inaddition, thisisacostbeneficial licensing action(CBLA)submittal andrepresents ahighpriorityitemsinceitwill,onceapproved, resultinasignificant reduction inoperating cost.Thelifetimecostsavingassociated withthisCBLAisapproximately
$600,000,asdetailedinAttachment 5.Webelievethattheproposedchangeswillnotresultin(1)asignificant changeinthetypesofanyeffluentthatmaybereleasedoffsite,or(2)asignificant increaseinindividual orcumulative occupational radiation exposure.
l9506200465 950b15PDRADOCK05000315pPDR Il'rp-<<
U.S.NuclearRegulatory Commission Page2AEP:NRC:0896V TheseproposedchangeshavebeenreviewedbythePlantNuclearSafetyReviewCommittee andwillbereviewedbytheNuclearSafetyandDesignReviewCommittee atitsnextregularly scheduled meeting.Incompliance withtherequirements of10CFR50'1(b)(1),
copiesofthisletteranditsattachments havebeentransmitted totheMichiganPublicServiceCommission andtotheMichiganDepartment ofPublicHealth.Thisletterissubmitted pursuantto10CFR50.30(b)and,assuch,anoathstatement isattached.
Sincerely, VicePresident SWORNTOANDSUBSCRIBED BEFOREMETHIS~begDAYOF~..1995NoaryPubliccadAttachments T
U.S.NuclearRegulatory Commission Page3AEP:NRC:0896V CC:A.A.BlindG.CharnoffJ.B.MartinNFEMSectionChiefNRCResidentInspector
-BridgmanJ.R.Padgett ATTACHMENT 1TOAEP:NRC:0896V DESCRIPTION ANDJUSTIFICATION OFCHANGES10CFR50.92ANALYSISFORCHANGESTOTHEDONALDC.COOKNUCLEARPLANTUNITS1AND2TECHNICAL SPECIFICATIONS Attachment 1toAEP:NRC:0896V Page1A.DESCRIPTION OFCHANGESThechangesproposedbythisletterinvolvetheemergency dieselgenerator (EDG)18month24hoursurveillance test.Thechangesaredescribed individually asfollows:Emergency DieselGenerator Surveillance Requirements T/S:4.8.1.1.2.e.7 (Units1and2)Page:3/48-6(Units1and2)1)Reducethedurationofthesurveillance testfrom24hoursto8hours.2)Modifythefootnoteassociated withtheasteriskattheendof4.8.1.1.2.e.7 toreflectthereduction ofthesurveillance testfrom24hoursto8hours.B.JUSTIFICATION FORCHANGESTheproposedchangesinvolvethe18month24hourEDGsurveillance whichisimplemented byplantprocedure.
Theproposedchangesaredesignedtoreduceoperating costs,increaseoutagescheduling flexibility, reduceshutdownrisk,andincreasediesellife.Reducingthesurveillance timefrom24to8hourswouldsignificantly improveoutageperformance withoutreducingEDGreliability.
Basedonexamination ofCookNuclearPlanttestdata.from'1974 to1994,itisclearthatextensive runtimesbeyond.the..pointwheretheEDG'i'ssta'rted, loa'dedto:3500KW, andachievesane'quilibrium
.condition provide'ittleinsightregarding EDG.reliability.
Theenginesteady-state characteristics areachievedinapproximately'2 ho'ursandthedominantfailuremodesoftheEDGareexpectedtooccur.wi'thinthisperiod.Xnaddition, r'eviewofthe'4.hour,te'st "data'rom1974'to1994does'not.;indicate~he,discovery
.ofanyabnoraral conditions thatwould'have'je'opardized'the'
'ieselfromcompleting itsmissionduringanactualemergency demand.Therefore, asdescribed inAttachment 4,reduction ofthetestdurationfroma24toan8hourperiodwillmaintainanequivalent levelofconfidence inEDGreliability andmayactuallyimproveoverallEDGreliability.
Attachment 1toAEP:NRC:0896V Page2C.10CFR502CRITERIAPer10CFR50.92,aproposedchangedoesnotinvolveasignificant hazardsconsideration ifthechangedoesnot:involveasignificant increaseintheprobability orconsequences ofanaccidentpreviously evaluated, createthepossibility ofanewordifferent kindofaccidentfromanyaccidentpreviously evaluated, orinvolveasignificant reduction inamarginofsafety.Criterion 1ThesafetyfunctionoftheEDGsistosupplyacelectrical powertoplantsafetysystemswheneverthepreferred acpowersupplyisunavailable.
Throughsurveillance requirements, theabilityoftheEDGstomeettheirloadandtimingrequirements istestedandthequalityofthefuelandtheavailability ofthefuelsupplyaremonitored.
Reduction ofthe24hourrunto8hourswillnotreducethesurveillance factorsunderconsideration andwillsufficiently exercisetheEDGanditssupportsystemstoidentifypotential conditions thatcouldleadtoperformance degradation (SeeAttachment 4).Basedontheseconsiderations, itisconcluded thattheproposedchangesdonotinvolveasignificant increase'n theprobability orconsequences ofanaccidentpreviously evaluated.
0Criterion 2Theproposedchangesdonotinvolvephysicalchangestotheplantorchanges.in'lantoperating
.configuration.
Thechangesonlyinvolvethereduction of'18moth24:hourEDG.survei3.lanpe testdur'ation, Thus,',it.
is'"~'.concluded thatthe.proposedchanges.donot'create'he possibility of".anewordifferent kindofaccidentfromanyaccidentpreviously evaluated.
Criterion 3Althoughthedurationofthe18month24hourEDGsurveillance testwouldbereduce'd, theEDGcomponents willcontinuetobesufficiently exercised suchthattheabilitytodetectincipient anddegradedconditions willbemaintained (SeeAttachment 4,Figure2).Theproposedchangeshavebeendetermined tobecompatible withourplantoperating experience andcommensurate withpastsurveillance testresults.Basedontheseconsiderations, itisconcluded thattheproposedchangesdonotinvolveasignificant reduction inamarginofsafety.