ML17264A926

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Low Temp Overpressure Analyses Summary Rept, Calculational Summary Sheet 86-1234820-01
ML17264A926
Person / Time
Site: Ginna Constellation icon.png
Issue date: 06/10/1997
From: CUDLIN J J, PARECE M V, VASUDEVAN N
FRAMATOME
To:
Shared Package
ML17264A925 List:
References
86-1234820-01, 86-1234820-1, NUDOCS 9706240156
Download: ML17264A926 (1)


Text

I~CALCULATIONALSUMMARYSHEET(CSS)20&97-3(12/g&)DOCUMENTIDENTIFIER86-1234820-01TiTLELOWTEMPERATUREOVERPRESSUREANALYSES-SUMMARYREPORTPREPAREDBY:NAMEN.VASUDEVANSIGNATURE~REVIEWEDBY:NAME+QPE2/-gE~SlGRATURETITLEPrincipalEngineerDATE6/9/97cosTcENTFR41p1pREF.PAGE(s)32b.DATE@/0TMSTATEMENT:REVIEWERINDEPENDENCEPURPOSEANDSUMMARYOFRESULTS:ThisdocumentisacompletereplacementofRevision00.FramatomeTechnologiesinc.,performedthelowtemperatureoverpressureeventanalysesfortheRochesterGasandElectric(RGE)R.E.GinnaNuclearPowerStation,afterthesteamgeneratorswerereplacedwithBI/l-designedgenerators.fnthiseffort,aspectrumofLTOPeventstoboundallpossibleoperationalconfigurationsisanalyzedandtheresultscomparedtoAppendixGlimitsandtheRHRpressurelimit.Themostlimitingmassadditioncaseisacasewithonechargingpumpturnedonwhentheprimarysystemisat60'FwithoneRCpumprunning.Thiscaseresultedinapeakreactorvesselpressureof554.3psiawhichistheAppendixGlimitatthistemperature.Themostlimitingheatadditioncaseiswiththeprimarysystemat60'F,withaninitialpressureof329.7psia.OneRCpumpisturnedonwiththesecondarysystematatemperatureof50'Fhigherthantheprimary.Thepeakreactorvesselpressureinthistransientis551.3psiawhichisbelowtheAppendixGlimitof554.71ThelimitingeventfortheRHRsystemoccursat280'F,whentwoRHRpumpsarerunningwithacapacityof2000gpmtotal.inthisheatadditioncase,thepeakRHRsystempressurereachedis663.7psiacomparedwithanallowabieof674.7psia.THEFOLLOWINGCOMPUTERCODESHAVEBEENUSEDINTHISDOCUMENT:YENDOR'SDOCUMENTREYIEWBplg'CI4Q0APPROVEOSUBMITFINALOOCUMENTMANUFACZUR',NOMAyPROCEEOAPRRCVEDASNOTED~MARECHAIIOES>'IC.IIIDSUSMIIPARLDDGC'IENEMAIIIJ.PACEIIIINOMATPRCCEEOASAPPGPVEONOTAI'PROVEO~CORRECTANORESUBMITREVIFWNOTREOUlREO~MANUFACTURINQMAYPROCEEOBy,RRArR~<<lII7ROCHESTER,NYAPPROVALOFTHISOOCUMFNTOOESNOTREUEVEBUPPLIRFROMFULLCOMPUANCEWIINCONTRACTORPUSRDERREQUIREMENTSCODEIVERSION/REVRELAP5/MOD2/20/OHPCODE/VERSION/REVTHISDOCUMENTCONTAINSASSUMPTIONSTHATMUSTBEVERIFIEDPRIORTOUSEONSAFETY-RELATEDWORKYES()NO()970b240i56970b03PDRADOCK05000244PPDRIPAGE1OF&&AND32a&32b