ML18025A490

Susquehanna Units 1 and 2 - Letter Regarding the Definitive Report of Deficiencies in Box Column Supports Which Supplements PLA-74

ML18025A490
Person / Time
Site:	Susquehanna
Issue date:	08/29/1975
From:	Curtis N W Pennsylvania Power & Light Co
To:	O'Reilly J P NRC Region 1
References
PLA-74, PLA-82
Download: ML18025A490 (4)

Text

NR-ISTRIBUTIONFORPART50DOCTMATERIAL(TEMPORARYFORM)CONTRQLNO:FILE:FROM.PennsylvaniaPower6LigCo.Allentown,PaN.WCurtistDATEOFDOC'ATEREC'DLTRTW5RPTOTHERTO:'rJ,P,O'ei1lyORIGnot..ignedCCOTHERSENTNRCPDRSENTLOCALPDRCLASS//CLASS"'(xxxPROPINFOINPUTNOCYSREC'DDOCKETNO:"0-38aii6888)DESCRIPTION:Ltrnotarized9-3-75~~,.~transthefollowingDistPerH;RushbrookPLANTNAME:Susquehana16c2(15cysenc'1rec'd)I,~i8l)$7~~~Ev.t-tuENCLOSURES:i'I~'i-~ReportOnDeficiencyInBoxColumnforTheSusquehannaNuclearPlantSupportsFORACTION/INFORMATION9-8-75JGBTLER(L)W/CopiesCLARK(L)W/CopiesPARR(L)W/CopiesKNIEL,(L)W/CopiesSCHWENCER(L)W/CopiesSTOLZ(L)W/CopiesVASSALLO(L)W/CopiesPURPLE(L)W/CopiesZIEMANN(L)W/CopiesiDICKER(E)W/CopiesKNIGHTON(E)W/CopiesYOUNGBLOOD(E)W/CopiesBEGAN(E)W/CopiesLEAR(L)W/CopiesSBICSW/CopiesW/(oplesREID(L)W/COPIESINTERNALDISTRIBUTIONDENTON~RIMESR.gAMMILLH.GKASTNERBALLARDP.SPANGLER.RENVIROS.MULLERM.SDICKERS.SKNIGHTONM.SYOUNGBLOODH.SBEGANS.PROJECTLDRLICASSTDIGGS(L)EARIN(L)GOULBOURNE(L)KREUTZER(E)EE(L)U3:iBROOQL)+REED(E)'RVICE(L)HEPPARD(L)LATER(E)MITH(L)TEETS(L)~G.WILLIAMS(E)V,WILSON(L)R.INGRAM(L)'CANHARLESSH.DUEEXTERNALDISTRIBUTIONECHREVIEYifSCHROEOER"MGC,ROOMP-SOBA%IACCARY>~GOSSICK/STAFF~NI'GHTCASEPAWLICKIGIAMBUSSO'HAOBOYDSTELLOMOORE(L)HOUSTON~YOUNG(L)M~NOVAKSKOVHOLT(L)ROSSGOLLER(L)(Ltr)IPPOLITOP.COLIINS~~DESCO+~~DENISEJ.COLLINS~GOPRAAPItLAIHASFILESiREGION(2IBENAROYAMIPCVOLLMER.1A/TIND~BRAITMANSALTZMANMELTZPLANSMCDONALDCHAPMANDUBE(Ltr)E.COUPEPETERSONHARTFIELD.(2)KLECKEREISENHUTWIGGINTON~~1-1-1-LOCALPDRWilksBarre,PaTIC(ABERNATHY)(1)(2)(10)-NATIONALLABSNSIC(BUCHANAN)1-W.PENNINGTON,RmE-20'IGTASLB1-CONSULTANlSNewtonAndersonNEWMARK/0LUME/AGBADIANACRS.ENTfo1-PDR-SAN/LA/NY1-BROOKI1AVENNATLAB1-G.ULBII<SONORNL

~lf TWONORTHNINTHSTREET,ALLENTOWN,PA.18101PHONEMEt215)8215151August29,1975'rCj.-,&W<).WQ'/(0<YiMr.Z.P.O'ReillyDirector-RegionISUSQUEHANNASDEFINITIVEREPORTOFDEFICIENCIESIN<BOXCOLUMNSUPPORTSDOCKETNOS.:50-387and50-388LICENSENOS.:CPPR-101andCPPR-102ERs100450/100508FILE840-4PLA-82U.S.NuclearRegulatoryCommission931ParkAvenueKingofPrussia,Pennsylvania19406~i<<,,";~gjTEAMELECTRXCSTATIONi/'re,+>>

DearMr.O'ReillyIThislettertransmitsthesubjectreportwhichsupplementsPLA-71,

1datedJuly25,1975andisintendedtocompletePPKL'sresponsibilityinreportingthedeficienciesinfabricatedstructuralsteelmembers(BoxColumnSupports)whichhad'beenlocatedinpositionforinstalla-tioninSusquehannaUnit18c2structures.Asindicatedintheattachedreport,thedecisionhas'beenmadetoredesignthestructuresand,toreplacealleightunits,includingthosefoundnottocontaindefects.Thereplacementunitsemploymaterialchangesandweld)ointconfigurationsvhichvillfacilitatefabricationandshouldprecludetherecurrenceofthelamellartearingphenomenonexperiencedinoriginalunits.XnadditiontothosecorrectivemeasuresidentifiedinPLA-74andtheattachedBechteldetailed.report,,PPkLhasconcurredinanincreaseinBechtelsurveillanceactivitiesatthevendor'sfabricationfacility(BeMhlehemSteelCompany'sPottstown,PAplant,).Additionally,receivingandpreinstallationactivitiesattheSSESsitewillbealignedtoperformafinalvisualexaminationbeforethenewunitsarepermanentlycommittedtotheplantstructure.Weawaityouradviceshouldyouhaveanyfurtherquestionsorconcernsonthismatter.VerytrulyyoursN.W.CurtisVicePresident-Engineering5ConstructionCJQQQARS:bPENNSYLVANIAPOWER8LIGHTCOMPANY 0)J/