ML18030A123

Supplemental Deficiency Rept Re Pacific Check Valves. Problems W/Check Valve Operation in Unit 1 Core Spray Pump Discharge Vertical Pipe Run Will Necessitate Rework of Bonnet Stops.Final Rept Will Be Provided by Sept 1980

ML18030A123
Person / Time
Site:	Susquehanna
Issue date:	07/03/1980
From:	CURTIS N W PENNSYLVANIA POWER & LIGHT CO.
To:
References
PLA-502, NUDOCS 8007080213
Download: ML18030A123 (3)

Text

REGULATORINFORMATIONDISTRIBUTIONSTEM(RIDS)AUT~CURTISgN~'i'I~RECIP~NAMEACCESSIONNBRt8007080213DOC~DATE:80/07/03NOTARIZED!NOFACIL:SusquehannaSteamElectricStation<UnitirPennsylvaSusquehannaSteamElectricStationrUnit2iPennsylvaAUTHORAFFILIATIONPennsylvaniaPo~erLLightCo,RECIPIENTAFFILIATIONDOCKET¹0500038705000388

SUBJECT:

SupplcmentaldeficiencyreptrePacificcheckvalves.Problemsw/checkvalveoperationinUnit1corespraypumpoischargeverticalpiperunwillnecessitatereworkofexistingbonnetstops,FinalreptwillbeprovidedbySeptDISTRIBUTIONCOOK:8001SCOPIESRECEIVED:1.TRQENCL+SIZE:TITLE:PSAR/FSARAMOTSandRelatedCorr'espondenceNOTESeSFA/3RECIPIENTIOCODE/NAMEACTION:AOI-lC8'h/$/A/G.LARrA<HBRoo]c',WCOPIESLTTRENC11RECIPIENTLIOCODE/NAMEBCyeuNr"Bc.ooo,B.PMSrWZ,8,.05COPIKSLTTRENCINTERNAL:A/DCORE8CS13AUXSYSBR18CONTSYSBROIRrHUMFACSFYEFFTRSYSBRENVENGBRGEOSCIENBR09I8CSYSBR20KIRKWOODgR~29MECHKiNGBRNRCPOR02POLYERSYSBRQABR10REACSYSBRSITANALBR271111'11111141111111111ACCIDEVALBRCHEMENGBRCOREPERFBR17DIRECTORNRREMERG.PREP22EQUIPQUALBRHYD/GEOBR11IEE06MATLENGBRMPAOELOPROC/TSTREVBRRAOASSESSBR12REGFILE011111113111111EXTERNAL:ACRSNSIC30041011LPDR03JULl01980OTOTALNUMBEROFCOPIESREQUIRED:LTTR51ENCL TWONORTHNINTHSTREET.ALLENTOWN,PA.18'101PHONE:(215)821-5151NORMANW.CURTISVicePrestrtent.Engineering&Construction821-5381July3,1980Mr.BoyceH.GrierDirector,RegionIU.S.NuclearRegulatoryCommission631ParkAvenueKingofPrussia,Pennsylvania19406SUSQUEHANNASTEAMELECTRICSTATIONUPDATEINTHESTATUSOFADEFICIENCYONPACIFICCHECKVALVESERs100450/100508FILE840-4/900-10PLA-502.

Reference:

PLA-466ofMarch31,1980

DearMr.Grier:

ThissupplementstheabovereferencedcorrespondenceandprovidesanupdateoftheinformationprovidedinourPLA-466.UnanticipatedproblemswithcheckvalveoperationintheUnitICoreSpraypumpdischargeverticalpiperunwillnecessitatereworkoftheexistingbonnetstops.BechtelNCR5913documentsthislatestdiscrepancy.TheoriginalproblemremainsopenunderMCAR1-47.WeexpecttoprovideafinalreporttotheCommissionbySeptember,1980.Verytrulyyours,N.W.CurtisVicePresident-EngineeringaConstruction<<NuclearFLWsjmkPs,aPENNSYLVANIAPOWERILLIGHTCOMPANY8OOV080zi9 Mr.BoyceH.GrierJune27,1980cc:Mr.VictorStello(15)copiesDirectorWfficeofInspection8Enforcement.U.S.NuclearRegulatoryCommissionWashington,D.C.20555Mr.G.McDonald,Director(1)OfficeofManagementInformation&ProgramControlU.S.NuclearRegulatoryCommissionWashington,D.C.20555Mr.Robert,,M.GalloU.S.NuclearRegulatoryCommissionP.O.Box52Shickshinny,Pennsylvania1S655