ML17037C207

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Nine Mile Point Unit 1 - Letter Responding to a September 17, 1974 Letter Requesting a Response to Two ACRS Identified Items Concerning Main Steam Isolation Valve Leakage and Inservice Inspection of the Reactor Pressure Vessel and Advising
ML17037C207
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 09/25/1974
From: Raymond P D
Niagara Mohawk Power Corp
To: Lear G
US Atomic Energy Commission (AEC)
References
Download: ML17037C207 (4)


Text

AECDISTRIBUTIONFORPART50DOCKETMATERIAL(TEMPORARYfORM)CONTROLNO:'9992FILE.FROMNiagara1@hawkPerCorpSyracuse,N.Y.13202Hr.P.D.Ravmond9-25-749-28-74DATEOFDOCDATEREC'DLTRTWXRPTOTHERTO:G.LearORIG1signe'dCCOTHERSENT.AECPDRSENTLOCALPDRXXXCLASSUNCLASSPROPINFOXXXDESCRIPTION:INPUTNOCYSREC'D1ENCLOSURES:DOCKETNO:50-220Ltrreour9-17-74ltr...furninfoconcerningHainSteamIsolationValveLeakageandInserviceInspectionofthereactorPressureVessel~~~~~PL'ANTNAME:NineHilePoint(J'1FORACTION/INFORMATION)P0y~)gT3;EMQVK10-16<<74JBBUTLER(L)W/CopiesCLARK(L)W/CopiesPARR(L)W/CopiesKNIEL(L)W/CopiesSCHWENCER(L)ZIEMANN(L)REGAN(E)W/CopiesW/CopiesW/CopiesSTOLZ(L)DICKER(E)~LEAR(L)W/CopiesW/CopiesW//CopiesVASSALLO(L)KNIGHTON(E)W/CopiesW/CopiesW/CopiesPURPLE(L)YOUNGBLOOD(E)W/CopiesW/CopiesW/CopiesINTERNALDISTRIBUTIONEGFILOGC,ROOMP-506AMUNTZING/STAFFCASEGIA'MBUSSOBOYDMOORE(L)(BWR)DEYOUNG(L)(PWR)SKOVHOLT(L)GOLLER(L)P.COLLINSDENISE~REGOPRFILE5REGION(3)MORRISSTEELETECHREVIEWSCHROEDERMACCARYKNIGHTPAWLICKISHAOSTELLOHOUSTONNOVAKROSSIPPOLITOTEDESCOLONGLAINASBENAROYAVOLIMERDENTONGRIMESGAMMILLKASTNERBALLARDSPANGLERENVIRO'ULLERDICKERKNIGHTONYOUNGBLOODREGANPROJECTLDRHARLESSLICASSTDIGGS(L)GEARIN(L)GOULBOURNE(L)KREUTZER(E)LEE(L)MAIGRET(L)REED(E)SERVICE(L)SHEPPARD(L)SLATER(E)SMITH(L)~EETS(L)WILLIAMS(E)WILSON(L)A/TINDBRAITMANSALTZMANB.HURTPLANSMCDONALDCHAPMANDUBEw/inputE.COUPED.THOMPSON(2)KLECKEREISENHUTVj-LOCALPDR~mmgoN.Y.V1-TIC(ABERNATHY)(1)(2)(10)W-NSIC(BUCHANAN)11-ASLB11-NewtonAnderson1~16-ACRShXSXXEMGSentto1Teets10-16<<74EXTERNALDISTRIBUTION-NATIONALLABS-ASLBP(E/WBldg,Rm529)-W.PENNINGTON,RmE-201GT-BSMSWINEBROAD,RrnE-201GT-CONSULTANTSNEWMAPiK/BLUME/AGBABIAN1-PDR-SAN/LA/NY1-BROOKHAVENNATLAB1-G.ULRIKSON,ORNL1-AGMED(RUTHGUSSMAN)RmB-127GT1-R.D.MUELLER,RmE-201GT

'"ll~~g~~~~~~eif~~~~~f44~4 NIAGARAMOHAWKPOWERCORPORATIONNIAGARAi'MOHAWK300ERIEBOULEVARDWESTSYRACUSE.N.Y.I3202September25,1974Mr.GeorgeLear,ChiefOperatingReactorsBranch83DirectorateofLicensingUnitedStatesAtomicEnergyCommissionWashington,D.C.20545Re:NineMilePointUnit1DocketNo.50-220~~KIlh",SEP8819W~O.S.AIOIIICEIIEIIQy'COIIIINIOII1P'ReIOIlataryOihaltSect!ac~+4I~

DearMr.Lear:

YourletterofSeptember17,1974,requestedustoprovidearesponsetotwoACRSidentifieditems.Theseitemswhicharediscussedin.theSeptember10,1974,ACRSReport,concernmainsteamisolationvalveleakageandinserviceinspectionofthereactorpressurevessel.AsstatedattheACRSmeeting,webelievethatplannedchangestothemainsteamisolationvalveswillallowustomaintainacceptableleakagerates.Informationconcerningleakagefromfuturet:estswillbeforwardedtoyouinatimelymannertoallowcloseconsiderationbyyourStaff.Reactorvesselintegrityandinserviceinspectionareundercontinuingreviewbyourtechnicalpersonnel.Theseinvestigationsincludepossibleimprovementstovesselaccessibility.Anyimprove-mentsdevelopedeitherwithintheindustryorasaresultofspecific,NiagaraMohawkstudieswillbeimplementedtothedegreepractical.gk,COCIIGECIIOAEOOc~>>~97"CECgu,lOC<QktLCECQLCoCOCttgCCgVerytrulyyours,/~~pc~PhilipD.RaygidndVicePresident-Engineering 1J