ML18030A130

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Interim Rept,Per 10CFR50.55(e) & Part 21,re Premature Time Out & Drifting Set Points for Pneumatic Time Delay Relays Associated W/Agastat 7000 & GE CR 2820 Relays.Bechtel & Util Analyzing Safety Impact
ML18030A130
Person / Time
Site: Susquehanna  Talen Energy icon.png
Issue date: 07/11/1980
From: CURTIS N W
PENNSYLVANIA POWER & LIGHT CO.
To:
References
REF-PT21-80-255-000 PLA-508, NUDOCS 8007180434
Download: ML18030A130 (3)


Text

REGULATORYFORMATIONDISTRIBUTI004SYM(RIDS)ACCESSIONNBR:8007180434DOCRDATE:80/07/11NOTARIZED:NOFAGILSusaushannaSteamElectricStationiUnitliPennsylva50388squehannaSteamElectricStationiUnit2iPennsylvaAT~,AUTHORAFFILIATIONCRTIS,IV~W~PennsylvaniaPoser8LightCo~RECIPNAMEREC1PIENTAFFILIATION~~liDOCKET0500038705000388

SUBJECT:

Interimrept'er10CFR50.55(e)8Part21Preprematuretimeout8,driftingsetpointsforpneumatictimedelayrelaysassociatedw/Agastat70008GECR2820relays,Bechtelutilanalyzingsafetyimpact,OISTRISUTIONCOOS:SOI90COPIESRECEIVES:LTRgENCLQSIZE:TITI.E:ConstructionOeficiencyReport(1OCFR50~55E)NOTES:SendI8E3copiesFSAR8allamends'500038705000388ACTION:RECIPIENTIDCODE/NAMEA/DLICENSNG21RUSHBROOKPM,20STARKgR~14COPIESLTTRENCL1111RECIPIENTIDCODE/NAMEYOUtIIGBLOOOiB15SERVICEDIUI~20COPIESLTTRENCI.11INTERNAL:AO/RCI/IE0/DIRHUMFACSEDO4STAFF07FIELOCOOR/IE13LICQUALBRNRCPDR02PRREVBRGFIL01~RDSDEV1111111111111111AEOODIRPHUMFACSFYEQUIPQUaLBR16IKE05i4IPA08OELO23QABR10RUTHERFORDi000IE1111112211111111EXTERNAL;ACRSNSIC240416ie11LPORJVLP>)q80TOTALNUMBEROFCOPIESREQUIRED:LTTR41ENCL41 PPalTWONORTHNINTHSTREET,ALLENTOWN,PA.18101PHONERt215)821-5151NORMANW.CURTISVicePresident-Engineedng8Construction-Nuclear821-5381July11,1980Mr.BoyceH.GrierDirector,RegionIU.S.NuclearRegulatoryCommission631ParkAvenueKingofPrussia,Pennsylvania19406SUSQUEHANNASTEAMELECTRICSTATIONINTERIMREPORTOFADEFICIENCYONAGASTATANDGENKM,ELECTRICTIMINGRELAYSERs100450/100508FILE840-4/900-10PLA-508

DearMr.Grier:

ThisletterservestoconfirminformationprovidedbytelephonetoNRCInspectorMr.R.GallobyMr.A.R.SabolofPP&LonApril28,1980.Duringthatconversation,Mr.Gallowasadvisedthatthesubjectconditionwasunderevaluationforreportabilityundertheprovisionsof10CFR50.55(e).ThedeficiencyinvolvesprematuretimeoutanddriftfagsetpointsforpenumatictMedelayrelays.PP&LandBechtelarestudyingthedeficienciesassociatedwithbothAgastat7000seriesandGeneralElectricCR2820relays.lThese'relaysareusedinsafetyrelatedsystemsandhencetheirimproperoperationcouldaffectthesafeoperationofthenuclearpowerplant.Therefore,thedeficiencyhasbeendeterminedtobereportableundertheprovisionsof10CmSO.SS(e)BechtelandPP&LareintheprocessofanalyzingthesafetyŽpactofthedeficiencyandareformulatingacorrectiveactionplan.BechtelhasissuedMCAR1-54todocumentthedeficiencyandeffectcorrection.Sincethedetailsofthisreportprovideinformationrelevanttothereportingrequirementsof10CFR21,thiscorrespondenceisconsideredtoalsodischargeanyformalresponsibilityPP&Lmayhaveforreportingincomp1iancethereto.WewilladvisetheCommissionofadatebywhichafinalreportwillbemadeavailable.$0q)oS00IT380I5~P.NNEYLYANIAPOWERPLIGHTCOMPANY Mr.BoyceH.GrierJuly11,1980Verytrulyyours,N.W.CurtisVicepresidentEng-dneeringSCcnstructicn-guclesrFLW/ARS:mcbcc:Mr.VictorStello(15)DirectorWfficeofInspection&EnforcementU.S,NuclearRegulatoryCommissionWashington,D.C.20555Mr.G.McDonald,DirectorOfficeofManagementXnformation&ProgramControlU.S.NuclearRegulatoryCommissionWashington,D.C.20555Mr.RobertM.GalloU.S.NuclearRegulatoryCommissionP.0.Box52Shickshinny,Pennsylvania18655