IR 05000335/1989016

From kanterella
Jump to navigation Jump to search
Responds to Violations Noted in Insp Repts 50-335/89-16 & 50-389/89-16.Corrective Actions:Restraining Bracket for Emergency Diesel Generator Bldg 2A Nitrogen Cylinder Modified to Ensure Security
ML17223A327
Person / Time
Site: Saint Lucie  NextEra Energy icon.png
Issue date: 09/15/1989
From: WOODY C O
FLORIDA POWER & LIGHT CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
L-89-343, NUDOCS 8909220059
Download: ML17223A327 (7)


Text

REGULATORYINFORMATIONDISTRIBUTIONSYSTEM(RIDS)SIONNBR:8909220059DOC.DATE:89/09/15NOTARIZED:NOL:50-335St.LuciePlant,Unit1,FloridaPower&LightCo.50-389St.LuciePlant,Unit2,FloridaPower&LightCo.AUTH.NAME'UTHORAFFILIATIONWOODY,C.O.FloridaPower&LightCo.RECIP.NAMERECIPIENTAFFILIATION.DocumentControlBranch(DocumentControlDesk)

SUBJECT: RespondstoviolationsnotedinInspRepts50-335/89-16&50-389/89-16.DISTRIBUTIONCODE:IE01DCOPIESRECEIVED:LTRENCLSIZE:TITLE:General(50Dkt)-InspRept/NoticeofVioationResponseNOTES:DOCKETN0500033505000389RECIPIENTIDCODE/NAMEPD2-2PDRESMEAL:LPDRNSICINTERNAL:ACRSAEOD/DEIIBDEDRONRR/DESTDIRNRR/DOEADIR11NRR/DREP/RPB10NUDOCS-ABSTRACTOGC/HDS2ORISSEAU,DCOPIESLTTRENCL112211111111221111111111RECIPIENTIDCODE/NAMENORRIS,JAEODAEOD/TPADNRRSHANKMAN,SNRR/DLPQ/PEBNRR/DREP/EPB10NRR/PMAS/ILRB12OE~-E(J~F~L02RGN2FILE01NRCPDRCOPIESLTTRENCL111111111111111111111110ALLIRIDSIIREQZPII~~PIZ'ASEHELPUS'ZOREDUCEHASTE!CON'ZACZ'IHEIXXZINEN1CONTROLDESK,RXMP1-37(EXT.20079)KOELXKINATBYOURMMEHKHDIBTRIHUTXQNIZSTSMRDOCUMEHXSYOUDCN'TNEZD!ALNUMBEROFCOPIESREQUIRED:LTTR25ENCL25 P.O.Box14000,JunoSoach,FL33408-0420SEPTEMBERf5)g89L-89-34310CFR2.201U.S.NuclearRegulatoryCommissionAttn:DocumentControlDeskWashington,D.C.20555Gentlemen:Re:St.LucieUnits1and2DocketNos.50-335and50-389InspectionReport89-16ResonsetoNoticeofViolationFloridaPower&LightCompanyhasreviewedthesubjectinspectionreport,andpursuanttotheprovisionof10CFR2.201,theresponse~~isattached.Verytrulyyours,C.0.WoodyActingSeniorVicePresident-NuclearCOW/GRM/cmAttachmentcc:StewartD.Ebneter,RegionalAdministrator,RegionII,USNRCSeniorResidentInspector,USNRC,St.LuciePlantPDR8909220059890ADOCK05'000335PDCQgolanFpl.Groupcompany

Re:St.LucieUnits1and2InspectionReport89-16ResponsetoNoticeofViolationVIOLATION10CFR50,AppendixB,CriterionIII,asimplementedbyFPLTopicalQualityAssuranceReport1-76A,Rev.15,TQR3.0,requiresthatdesigninputsbespecifiedand.correctlytranslatedintodesigninputdocuments.ANSIStandardN45.2.11-1974,Section3,invokedbythetopicalreportappendixC,echoesthisrequirement.ANSIN45.2.11Section3.2furtherrequiresthatdesigninputsinclude:Loads,suchasseismic,wind,thermal,anddynamic;MechanicalRequirements,suchasvibration,stress,shock,andreactionforces;StructuralRequirementscoveringsuchitemsasequipmentfoundationsandpipesupports;andInterfaceRequirementsincludingdefinitionofthefunctionalandphysicalinterfacesinvolvingstructures,systemsandcomponents.ANSIN45.2.11Section4furtherrequiresthatmethodsshallprovideforrelatingthefinaldesignbacktothesourceofdesigninput,thatthisbetraceable,andthatthedesignactivitiesbedocumentedinsufficientdetailtopermitcertainverificationandauditing.ANSIStandardN18.7-1976,whichisalsoinvokedbythetopicalreportappendixC,requirespropercompletionandinspectionofdesignchanges.Contrarytotheabove:0Insomecases,properdesigninputshadnotbeenconsideredorhadnotbeentranslatedintooutputdocumentsfortheadequatemountingofcompressedgascylindersinsafety-relatedequipmentareasandfortheprotectionofsafety-relatedcomponentssuchasthemainsteamisolationvalves,refuelingwatertankappurtenances,andmainfeedisolationvalvesfrommissileeffectsofdamagedcompressedgascylinders.oInsomecases,thedesignprocesshadbeenignoredorthedesignwasnotimplementedbytheresultingmodification.R~esense1.FloridaPowerandLightconcurswiththeviolatio a.Designdrawingsanddocumentationforthe2AEmergencyDieselGeneratorBuildingFireProtectionSystemdisclosedthatdetailsregardingthelocationandmountingofcompressedgas(nitrogen)cylindersusedtopressurizethe.sprinklersystemwerenotprovidedtotheconstructorduringinstallationofthesystem.Designdrawingsanddocumentationforthe1BEmergencyDieselGeneratorFireProtectionSystemdisclosedthatPC/M99-80provideddesigndetailsregardingthelocationandinstallationofthenitrogencylindersusedforpressurizingthesprinklersystem.Thedesigndrawingsanddocumentsrequiretheinstallationofthenitrogencylindersontheoutsideofthedieselgeneratorbuildinginaccordancewithaseismicallydesignedconfiguration.Installationofthecylinderswasnotcompletedinaccordancewiththedesign.FPLconsidersthisanisolatedoccurrence.FPLcanfindnospecificdetailsforthedesignoftheCO>fireextinguisherbrackets.FPLhasconductedapreliminaryevaluationofCOzfireextinguisherbrackets.Theresultsofthisevaluationindicatethatnomissilehazardiscreatedduringaseismicevent;Maintenancepersonneldidnotconsiderthattemporaryuseofgasbottlesforextendedperiodsoftimeconstitutedadesignchange.Therestrainingbracketforthe2AEDGBuildingnitrogencylinderhasbeenmodifiedtoensurethatthecylinderisnotdislodgedduringaseismicevent.Thenitrogencylinderinthe1BEDGBuildinghasbeenremovedfromwithinthedieselbuildingandhasbeenreinstalledinaseismicallydesignedrestrainingbracketoutsidethe1BEDGBuilding.MechanicalMaintenanceremovedthecompressedgascylindersfromsafety-relatedareastoeliminatepotentialmissilehazards.Maintenancepersonnelhavebeeninstructedtoensurethatgascylindersareproperlycappedandstoredafteruse.4~Nofurtheractionsareconsiderednecessaryforthe2Aand1Bdieselfireprotectionnitrogengasbottle.APC/MpackageiscurrentlybeingdevelopedtoreplaceallhooktypebracketssupportingportableCO>fireextinguisherswithmoresecurestrap-typebracket .The2AEDGBuildingcylinderbracketwasmodifiedbySeptember~~~~~~~1,1989~Thenitrogencylinderwasremovedfromwithinthe1BEDGBuildingandre-installedoutsideonJune27,1989.TheCO~fireextinguisherbracketmodificationisexpectedtobecompletebyJune1990.~'W*s'St\,mt,py'~Vwqq~<<~'~~

14I