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{{#Wiki_filter:j~lAECTRIBUTIONFORPART50DOCKETRIAL,(TEMPORARYFORM)CONTROLNO:'ILE:8642CLASSUNCLASSXXXPROPINFOFROM:NiagaraMohawkPowerCorporationSyracuse,N>Y.13202Mr.R.R.SchneiderTO~A.GiambussoDATEOFDOC11-30-73ORIG1signedINPUTDATEREC'D12&-73CCOTHERNOCSPZC'DMEMORPTOTHERSENTAECPDRXXXSENTLOCALPDRDOCKETNO:50-220DESCRIPTION:Ltrreour10-19-73ltr....concerningreanalysesoftheanticipatedtransientswithscram,advthatthisstudyhasbeeninitiatedandwillbesubmittedby10-1-74F,asrequestedinourltr.ENCLOSURES:'ACKNOWLEDGED.DONOTREMOVEPLANTNAME:NineMilePointFORACTION/INFORfATIONBUTLER(L)W/CopiesCLARK(L)W/CopiesGOLLER(L)W/CopiesKNIEL(L)-W/CopiesSCHWENCER(L)W/CopiesSTOLZ(L)W/CopiesVASSALLO(L)W/CopiesSCHEMEL(L)W/CopiesVZIEMANN(L)W/4Copies,DICKER(E)W/CopiesKNIGHTON(E)"W/CopiesYOUNGBLOOD(E).W/CopiesREGAN(E)W/CopiesW/CopiesW/CopiesW/CopiesINTERNALDISTRIBUTIONREGAECPDROGC,ROOMP-506AMUNTZING/STAFFCASEu'GIAMBUSSOBOYDMOORE(L)(BWR)DEYOUNG(L)(PWR)YSKOVHOLT(L)P.COLLINSQREGOPRFILE&REGION(3)MORRISSTEELETECHREVIEW~HENDRIESCHROEDERMACCARYKNIGHTPAWLICKISHAOSTELLOHOUSTONNOVAKROSSIPPOLITOTEDESCOLONGLAINASBENAROYAVOLIZERDENTONGRIMESGAMMILLKASTNERBALLARDSPANGLERENVLROMULLERDICKERKNIGHTONYOUNGBLOODREGANPROJECTLDRHARLESSLICASSTHIGGS(L)GEARIN(L)GOULBOURNE(L)LEE(L)MAIGRET(L)SERVICE(L)SHEPPARD(E)SMITH(L)TEETS(L)WADE(E)WILLIAMS(E)WILSON(L)A/TIND'RAIIMANSALTZMANB.HURTPLANS~MCDONALDDUSEINFOC,MILES1-.LOCALPDR1-DTIE(ABERNATHY)1-NSIC(BUCHANAN)1-ASLB(YORE/SAYRE/WOODARD/"H"ST,16-CYSACRSHOLDINGEXTERNALDISTRIBUTION(1)(2)(10)-NATIONALLAB'1-ASLBP(E/WBldg,Rm529)1-W.PENNINGTON,RmE-201GT1"CONSULTANT'SNEMMARK/BLUME/AGBABIAN.1-GERALDg4LRIKSON...ORNL1-PDR-SAN/LA/NY1-GERALDLELLOUCHEBROOKHAVENNAT,LAB1"AGMED(RuthGussman)RM-8-127,GT.1-.RDMULLER..F-309GT
{{#Wiki_filter:j~lAECTRIBUTION FORPART50DOCKETRIAL,(TEMPORARY FORM)CONTROLNO:'ILE:8642CLASSUNCLASSXXXPROPINFOFROM:NiagaraMohawkPowerCorporation
: Syracuse, N>Y.13202Mr.R.R.Schneider TO~A.Giambusso DATEOFDOC11-30-73ORIG1signedINPUTDATEREC'D12&-73CCOTHERNOCSPZC'DMEMORPTOTHERSENTAECPDRXXXSENTLOCALPDRDOCKETNO:50-220DESCRIPTION:
Ltrreour10-19-73ltr....concerning reanalyses oftheanticipated transients withscram,advthatthisstudyhasbeeninitiated andwillbesubmitted by10-1-74F, asrequested inourltr.ENCLOSURES:
'ACKNOWLEDGED
.DONOTREMOVEPLANTNAME:NineMilePointFORACTION/INFORfATION BUTLER(L)
W/CopiesCLARK(L)W/CopiesGOLLER(L)
W/CopiesKNIEL(L)-W/CopiesSCHWENCER(L)
W/CopiesSTOLZ(L)W/CopiesVASSALLO(L)
W/CopiesSCHEMEL(L)
W/CopiesVZIEMANN(L)
W/4Copies,DICKER(E)
W/CopiesKNIGHTON(E)
"W/CopiesYOUNGBLOOD(E).
W/CopiesREGAN(E)W/CopiesW/CopiesW/CopiesW/CopiesINTERNALDISTRIBUTION REGAECPDROGC,ROOMP-506AMUNTZING/STAFF CASEu'GIAMBUSSO BOYDMOORE(L)(BWR)DEYOUNG(L)(PWR)YSKOVHOLT (L)P.COLLINSQREGOPRFILE&REGION(3)
MORRISSTEELETECHREVIEW~HENDRIESCHROEDER MACCARYKNIGHTPAWLICKISHAOSTELLOHOUSTONNOVAKROSSIPPOLITOTEDESCOLONGLAINASBENAROYAVOLIZERDENTONGRIMESGAMMILLKASTNERBALLARDSPANGLERENVLROMULLERDICKERKNIGHTONYOUNGBLOOD REGANPROJECTLDRHARLESSLICASSTHIGGS(L)GEARIN(L)GOULBOURNE (L)LEE(L)MAIGRET(L)SERVICE(L)SHEPPARD(E)SMITH(L)TEETS(L)WADE(E)WILLIAMS(E)WILSON(L)A/TIND'RAIIMANSALTZMANB.HURTPLANS~MCDONALD DUSEINFOC,MILES1-.LOCALPDR1-DTIE(ABERNATHY) 1-NSIC(BUCHANAN) 1-ASLB(YORE/SAYRE/
WOODARD/"H"ST,16-CYSACRSHOLDINGEXTERNALDISTRIBUTION (1)(2)(10)-NATIONAL LAB'1-ASLBP(E/W Bldg,Rm529)1-W.PENNINGTON, RmE-201GT1"CONSULTANT'S NEMMARK/BLUME/AGBABIAN
.1-GERALDg4LRIKSON...ORNL 1-PDR-SAN/LA/NY 1-GERALDLELLOUCHE BROOKHAVEN NAT,LAB1"AGMED(Ruth Gussman)RM-8-127,GT.1-.RDMULLER..F-309 GT
~~1tt~~~~~~0~p~tIItttt'It~t'tg~~~  
~~1tt~~~~~~0~p~tIItttt'It~t'tg~~~  
'gomufatofff"FifoOy.NIAGARAMOHAWKPOWERCORPORATIONNIAGARAlQ)MOHAWK300ERIEBOULEVARDWESTSYRACUSE.N.Y.13202I9DFC,'43973I1973IL,Nygg,1ÃQ'~'~November30Mr.A.GiambussoDeputyDirectorforReactorProjectsDirectorateofLicensingU.S.AtomicEnergyCommissionWashington,D.C.20545
'gomufatofff "FifoOy.NIAGARAMOHAWKPOWERCORPORATION NIAGARAlQ)MOHAWK300ERIEBOULEVARD WESTSYRACUSE.
N.Y.13202I9DFC,'43973I1973IL,Nygg,1ÃQ'~'~November30Mr.A.Giambusso DeputyDirectorforReactorProjectsDirectorate ofLicensing U.S.AtomicEnergyCommission Washington, D.C.20545


==DearMr.Giambusso:==
==DearMr.Giambusso:==
Re:NineMilePointUnit1DocketNo.50-22010lg'..app~IIIC5tg73IrppL1IppySNLpfp7(plkocEQgagOurapplicationforconversionofProvisionalOperatingLicenseNo.DPR-17toafull-termoperatinglicenseincludedananalysisofthecapabilityofNineMilePointUnit1toaccommodateanticipatedtransientswithoutscram.Sincethetimeofthatsubmittal,certainchangeshavetakenplacewhichaffecttheanalysisofthesetransientsandotheranticipatedtransients.TheattachmenttoyourletterofOctober19,1973includedassumptionsandcriteriatobeusedintheanalysisoftransientswithoutscram.Theanalysiswhichwasincludedinourprevioussubmittalshowedthatfortheworstcaseduringanticipatedtransientswithoutscram,containmentpressurecouldreach45psig.Thisexceedsthedesignpressureofthesuppressionchamber.TheattachmenttoyourletterofOctober19,1973specifiedcontainmentdesignpressureastheacceptablelimit.LThepreviousanalyses'ofothertransientswhichincludescramwereperformedassumingnotrippingoftherecirculationpumps.Preliminaryinvesti-gationsindicatethatincorporationofatrippingofthepumpsonhighreactorpressureaggravatesthesetransients....SeePage28642


TQMr.A.GiambussoBecauseofthechangestotheanalysesasdescribedabove,NiagaraMohawkconsidersthattheadditionoftherecirculationpumptripisnotjustifieduntilreanalysesofanticipatedtransientswithoutscramandothertransientsarecompleted.Therefore,thetn.poftFierecirculationpumpsonhighreactorpressureisbeingdeletedfromtheprotectionsystemcircuitry.ThereanalysesoftheanticipatedtransientswithoutscramhavebeeninitiatedandwillbesubmittedbyOctober1,1974asrequestedintheattachmenttoyourletter.Verytrulyyours,udolph.SchnaderVicePresident.-ElectricOperationsCVM/sz  
Re:NineMilePointUnit1DocketNo.50-22010lg'..app~IIIC5tg73IrppL1IppySNLpfp7(plkocEQgagOurapplication forconversion ofProvisional Operating LicenseNo.DPR-17toafull-term operating licenseincludedananalysisofthecapability ofNineMilePointUnit1toaccommodate anticipated transients withoutscram.Sincethetimeofthatsubmittal, certainchangeshavetakenplacewhichaffecttheanalysisofthesetransients andotheranticipated transients.
Theattachment toyourletterofOctober19,1973includedassumptions andcriteriatobeusedintheanalysisoftransients withoutscram.Theanalysiswhichwasincludedinourprevioussubmittal showedthatfortheworstcaseduringanticipated transients withoutscram,containment pressurecouldreach45psig.Thisexceedsthedesignpressureofthesuppression chamber.Theattachment toyourletterofOctober19,1973specified containment designpressureastheacceptable limit.LThepreviousanalyses'of othertransients whichincludescramwereperformed assumingnotrippingoftherecirculation pumps.Preliminary investi-gationsindicatethatincorporation ofatrippingofthepumpsonhighreactorpressureaggravates thesetransients.
...SeePage28642
 
TQMr.A.Giambusso Becauseofthechangestotheanalysesasdescribed above,NiagaraMohawkconsiders thattheadditionoftherecirculation pumptripisnotjustified untilreanalyses ofanticipated transients withoutscramandothertransients arecompleted.
Therefore, thetn.poftFierecirculation pumpsonhighreactorpressureisbeingdeletedfromtheprotection systemcircuitry.
Thereanalyses oftheanticipated transients withoutscramhavebeeninitiated andwillbesubmitted byOctober1,1974asrequested intheattachment toyourletter.Verytrulyyours,udolph.SchnaderVicePresident
.-ElectricOperations CVM/sz  
'4f.I4'L>}}
'4f.I4'L>}}

Revision as of 23:15, 29 June 2018

Nine Mile Point Unit 1 - Letter Regarding the Analysis of the Capability of Unit 1 to Accommodate Anticipated Transients Without Scram and Advising That Reanalyses Have Been Initiated and Will Be Submitted by October 1, 1974
ML17037C254
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 11/30/1973
From: Schneider R R
Niagara Mohawk Power Corp
To: Anthony Giambusso
US Atomic Energy Commission (AEC)
References
Download: ML17037C254 (6)
v • d • e


Text

j~lAECTRIBUTION FORPART50DOCKETRIAL,(TEMPORARY FORM)CONTROLNO:'ILE:8642CLASSUNCLASSXXXPROPINFOFROM:NiagaraMohawkPowerCorporation

Syracuse, N>Y.13202Mr.R.R.Schneider TO~A.Giambusso DATEOFDOC11-30-73ORIG1signedINPUTDATEREC'D12&-73CCOTHERNOCSPZC'DMEMORPTOTHERSENTAECPDRXXXSENTLOCALPDRDOCKETNO:50-220DESCRIPTION:

Ltrreour10-19-73ltr....concerning reanalyses oftheanticipated transients withscram,advthatthisstudyhasbeeninitiated andwillbesubmitted by10-1-74F, asrequested inourltr.ENCLOSURES:

'ACKNOWLEDGED

.DONOTREMOVEPLANTNAME:NineMilePointFORACTION/INFORfATION BUTLER(L)

W/CopiesCLARK(L)W/CopiesGOLLER(L)

W/CopiesKNIEL(L)-W/CopiesSCHWENCER(L)

W/CopiesSTOLZ(L)W/CopiesVASSALLO(L)

W/CopiesSCHEMEL(L)

W/CopiesVZIEMANN(L)

W/4Copies,DICKER(E)

W/CopiesKNIGHTON(E)

"W/CopiesYOUNGBLOOD(E).

W/CopiesREGAN(E)W/CopiesW/CopiesW/CopiesW/CopiesINTERNALDISTRIBUTION REGAECPDROGC,ROOMP-506AMUNTZING/STAFF CASEu'GIAMBUSSO BOYDMOORE(L)(BWR)DEYOUNG(L)(PWR)YSKOVHOLT (L)P.COLLINSQREGOPRFILE&REGION(3)

MORRISSTEELETECHREVIEW~HENDRIESCHROEDER MACCARYKNIGHTPAWLICKISHAOSTELLOHOUSTONNOVAKROSSIPPOLITOTEDESCOLONGLAINASBENAROYAVOLIZERDENTONGRIMESGAMMILLKASTNERBALLARDSPANGLERENVLROMULLERDICKERKNIGHTONYOUNGBLOOD REGANPROJECTLDRHARLESSLICASSTHIGGS(L)GEARIN(L)GOULBOURNE (L)LEE(L)MAIGRET(L)SERVICE(L)SHEPPARD(E)SMITH(L)TEETS(L)WADE(E)WILLIAMS(E)WILSON(L)A/TIND'RAIIMANSALTZMANB.HURTPLANS~MCDONALD DUSEINFOC,MILES1-.LOCALPDR1-DTIE(ABERNATHY) 1-NSIC(BUCHANAN) 1-ASLB(YORE/SAYRE/

WOODARD/"H"ST,16-CYSACRSHOLDINGEXTERNALDISTRIBUTION (1)(2)(10)-NATIONAL LAB'1-ASLBP(E/W Bldg,Rm529)1-W.PENNINGTON, RmE-201GT1"CONSULTANT'S NEMMARK/BLUME/AGBABIAN

.1-GERALDg4LRIKSON...ORNL 1-PDR-SAN/LA/NY 1-GERALDLELLOUCHE BROOKHAVEN NAT,LAB1"AGMED(Ruth Gussman)RM-8-127,GT.1-.RDMULLER..F-309 GT

~~1tt~~~~~~0~p~tIItttt'It~t'tg~~~

'gomufatofff "FifoOy.NIAGARAMOHAWKPOWERCORPORATION NIAGARAlQ)MOHAWK300ERIEBOULEVARD WESTSYRACUSE.

N.Y.13202I9DFC,'43973I1973IL,Nygg,1ÃQ'~'~November30Mr.A.Giambusso DeputyDirectorforReactorProjectsDirectorate ofLicensing U.S.AtomicEnergyCommission Washington, D.C.20545

DearMr.Giambusso:

Re:NineMilePointUnit1DocketNo.50-22010lg'..app~IIIC5tg73IrppL1IppySNLpfp7(plkocEQgagOurapplication forconversion ofProvisional Operating LicenseNo.DPR-17toafull-term operating licenseincludedananalysisofthecapability ofNineMilePointUnit1toaccommodate anticipated transients withoutscram.Sincethetimeofthatsubmittal, certainchangeshavetakenplacewhichaffecttheanalysisofthesetransients andotheranticipated transients.

Theattachment toyourletterofOctober19,1973includedassumptions andcriteriatobeusedintheanalysisoftransients withoutscram.Theanalysiswhichwasincludedinourprevioussubmittal showedthatfortheworstcaseduringanticipated transients withoutscram,containment pressurecouldreach45psig.Thisexceedsthedesignpressureofthesuppression chamber.Theattachment toyourletterofOctober19,1973specified containment designpressureastheacceptable limit.LThepreviousanalyses'of othertransients whichincludescramwereperformed assumingnotrippingoftherecirculation pumps.Preliminary investi-gationsindicatethatincorporation ofatrippingofthepumpsonhighreactorpressureaggravates thesetransients.

...SeePage28642

TQMr.A.Giambusso Becauseofthechangestotheanalysesasdescribed above,NiagaraMohawkconsiders thattheadditionoftherecirculation pumptripisnotjustified untilreanalyses ofanticipated transients withoutscramandothertransients arecompleted.

Therefore, thetn.poftFierecirculation pumpsonhighreactorpressureisbeingdeletedfromtheprotection systemcircuitry.

Thereanalyses oftheanticipated transients withoutscramhavebeeninitiated andwillbesubmitted byOctober1,1974asrequested intheattachment toyourletter.Verytrulyyours,udolph.SchnaderVicePresident

.-ElectricOperations CVM/sz

'4f.I4'L>

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