ML17334A468

Responds to NRC Final Rule 10CFR50.49 Re Electric Equipment Environ Qualification.Right to Amend Response Reserved Until Meeting W/Nrc Scheduled to Resolve Environ Qualification Deficiencies

ML17334A468
Person / Time
Site:	Cook
Issue date:	05/20/1983
From:	HERING R F INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	DENTON H R Office of Nuclear Reactor Regulation
References
AEP:NRC:0775C, AEP:NRC:775C, NUDOCS 8305260281
Download: ML17334A468 (21)

Text

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'vvrW/v'.,rvFlcAgOvVAl1ICCOL4DE.I'tr'R/OLUII<v'>ET,R/i) oI/At,(<Rgrvi313LI'i)i<"3IL,'33,Td5 INDIANAL,MICHIGANELECTRICCOMPANYP.O.BOX18BOWLINGGREENSTATIONNEWYORK,N.Y.10004May20,1983AEP:NRC:0775C DonaldC.CookNuclearPlantUnitNos.1and2DocketNos.50-315and50-316LicenseNos.DPR-58andDPR-74FINALRULEONEQUIPMENT ENVIR011MENTAL QUALIFICATION (10CFR50.49)Mr.HaroldR.Denton,DirectorOfficeofNuclearReactorRegulation U.S.NuclearRegulatory Commission Washington, D.C.20555

DearMr,

Denton:ThisletteranditsAttachments respondtotheNRC'sfinalrule10CFR50.49,"Environmental Qualification ofElectricEquipment Important toSafetyforNuclearPowerPlants"puhlished intheFederalRegister.,

Vol.48,No.13,datedJanuary21,1983,pp.2729-2734, andtotheclarification letterdatedApril27,1983(Mr.S.A.VargaoftheNRCtoourMr.J.E.Dolan).Morespecifically, weread10CFR50.49(g)asrequiring thatweidentifytheelectricequipment important tosafetywithinthescopeoftherule(thatis,safetyrelated,non-safety related,andcertainpost-accident monitoring equipment asdefinedin10CFR50.49(b)(1) through(b)(3)),andthoseequipment itemswhichwebelievetobealreadyqualified, andtoestablish agoaloffinalenvironmental qualification nottoexceedtheendofthesecondrefueling outageafterMarch31,1982,orbyMarch31,1985(whichever isearlier),

forthoseequipment itemsforwhichqualification hasnotyetbeenestablished.

Furthermore, theclarification letterreferenced, aboverequested ustoindicatewhetherourprevioussubmittals complywithparagraphs (a)and(b)of10CFR50.49,todescribethemethodsusedtoidentifythenon-safety relatedelectricequipment definedby10CFR50.49(b)(2),

andtoestablish anyqualification programsnotpreviously described forsuchnon-safety relatedequipment.

Wemustfirstnotefortherecordthatwehaverepeatedly attempted duringthepastfewmonthstomeetwiththeNRCstaffinordertoclarifyandresolvetheenvironmental qualification "deficiencies" identified intheTechnical Evaluation Reports(TERs)preparedbytheFranklinResearchCenter(FRC)undercontracttotheNRC(seeourletterAEP:NRC:0775, datedJanuary24,1983).Todate,ameetinghasnotbeenscheduled sothatwecouldachieveresolution withNRCstaffonthisimportant topic.Therefore, wereservetherighttoamendthisSGO5260281 830520r'!3F<ADQCK05000315PDR Mr.HaroldR.on-2-AEP:NRC:0775CresponseuntilsuchtimeaswemaydiscusstheFRCTERswithyourstaffandarriveatanunderstanding ofpresentqualification requirements.

Furthermore, ifasaresultofotheractivities (eitherinternally generated orinresponsetootherregulatory issues,suchasGenericLetterNo.82-33)itisdetermined thatadditional equipment shouldbeincludedwithinthescopeofthefinalruleand/oritisdetermined thatequipment itemsidentified inAttachment 1tothisletterrequireupgrading, thisletterwillbecorrespondingly amended.Withtheaboveprovisos, Attachm'ents 1through6tothisletterprovidetheinformation requested by10CFR50.49(g)andtheNRCclarification letterreferenced above.Specifically, Attachment 1providesalistofequipment whichwepresently believetofallwithinthescopeoftheenvironmental qualification finalrule.TheAttachment providesalistingofequipment manufacturers andmodel/Plant itemnumbers,abriefdescription ofeachequipment item,Plantidentification numbers,areference toaSystemComponent Evaluation Worksheet (SCEW)inourAEP:NRC:0578B submittal (datedJunell,1982),andanindication regarding whethertheequipment isbelievedtobequalified orifqualification hasnotyetbeenestablished.

Notalloftheseequipment items(suchascertaincablesandcableterminations identified asaresultoftheNUREG-0737 reviews)havebeenidentified inourprevioussubmittals onenvironmental qualification.

Theequipment listinAttachment 1references, inthecaseofequipment forwhichqualification hasnotyetbeenestablished, oneormoreoftheotherAttachments tothisletter.Specifically, Attachment 2discusses agingqualification requiredbySection7.0oftheDORGuidelines.

Attachment 3discusses thoseequipment itemspresently identified asfallingunderthescopeofourresponsetoGenericLetterNo.82-33(seeourletterNo.AEP:NRC:0773, datedApril15,1983).Attachment 4discusses certainResistance Temperature Detectors (RTDs)whichwillbereplacedinconnection withtheprogramestablished tomeettherequirements of10CFR50,AppendixR(seeourletterNo.AEP:NRC:0692E, datedMarch31,1983).Attachment 5discusses thetestqualification programcurrently underway.,with regardtoourcontainment spraypumpmotorsmanufactured byRelianceElectric.

Whereapplicable, requestsforfinalenvironmental qualification schedular extensions undertheprovisions of10CFR50.49(g)areincludedintheAttachments tothisletter.Attachment 6tothisletterprovidesabriefdescription ofthemethodsusedtoidentifytheequipment definedby10CFR50.49(b).

Mr.HaroldR.~on3IAEP:NRC:0775C Thisdocumenthasbeenpreparedfollowing Corporate Procedures whichincorporate areasonable setofcontrolstoensureitsaccuracyandcompleteness priortosignature bytheundersigned.

Verytrulyyours,VicePresident RFH/oscc:J.E.Dolan-ColumbusR.S.HunterM.P.AlexichR.W.Jurgensen W.G.Smith,Jr.-BridgmanR.C.CallenG.CharnoffNRCResidentInspector atCookPlant-Bridgman Attachment 1toAEP:NRC:0775C DonaldC.CookNuclearPlantUnitNos.1and210CFR50.49()EuimentListTheenclosedtablecontainsalistofthoseequipment itemspresently knowntobeinstalled attheD.C.CookNuclearPlantUnitNos,1and2andwhichwebelievetobewithinthescopeof10CFR50.49(b)(1) through(b)(3).Theidentified equipment itemsarereliedontoremainfunctional duringandfollowing adesignbasisaccident.

Foreachequipment itemidentified, thefollowing information isprovidedinthetable:AEP:NRC:0578B submittal SystemComponent Evaluation Worksheet (SCEW)reference(s).

Thisreference isnotintendedtoimplythattheAEP:NRC:0578B submittal, datedJune11,1982,providesthemostup-to-date qualification data.Rather,thereference isintendedtoprovideguidancewithregardtoidentifying thosePlantsystemswhichutilizetheequipment item~(2)Identification oftheD.C.CookPlantUnit(s)inwhichtheequipment isinstalled.

(3)Equipment manufacturer(s).

(4)Equipment modelor-"Plant itemnumber(s)

.'*-(5)Abriefdescription oftheequipment item.(6)Plantidentification (i.e.,tag)number(s).

(7)Anindication astowhethertheequipment isqualified, orwhetherqualification hasnotyetbeenestablished.

Inthelattercase,anentryhasbeenmadeinthetablewhichreferences atleastoneotherattachment tothisletter.Thereferenced attachment(s) providesadescription oftheopenitem(s)and,whenapplicable, arequestforschedular extension undertheprovisions of10CFR50.49(g).

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VRS-I10I>>1>O1(u.eX)VR.S-2I0I)awol&eR)AekacL.niente 3'lbbackment Anzac.L~ene 3Altach,~en.L 3Noge:Plal,g"gee~IVuw4rSAre,Xv5o~eCaSeS)I'resen4ecf Xns+eaoCOfHoJelNui~i)evg0 Attachment 2toAEP:NRC:0775C DonaldC.CookNuclearPlantUnitNos.1and2inQualification InAttachment 7totheAEP:NRC:0578B submittal datedJune11,1982,wecommitted toperformanaginganalysisandtoestablish asurveillance/maintenance/replacement program(basedontheresultsoftheaginganalysis) forequipment installed inapotentially harshenvironment andwithinthescopeofIEBulletinNo.79-01B.Tothisend,wehavecontracted theserv'esofEDSNuclear,Inc.,toperformtheaginganalysisand,afterreviewofD.C.CookNuclearPlantsurveillance andmaintenance procedures, toproposethenecessary changestotheseprocedures sothatasurveillance/maintenance/

replacement programwillbeestablished tobringthePlantintocompliance withSection7.0oftheDORGuidelines (Enclosure 4toIEBulletinNo.79-01B,transmitted vialetterdatedJanuary16,1980,J.G.KepplertoJ.E.Dolan).Inaccordance with10CFR50.49(g),

wenotethatthescheduleforfinalenvironmental qualification ofequipment itemsshould,wheneverpossible, establish agoalofqualification bytheendofthesecondrefueling outageafterHarch31,1982,orbyHarch31,1985,whichever isearlier.Theapplicable datesfortheD.C.CookNuclearPlantUnitNos.1and2areapproximately September 1,1983,andApril1,1984,,rgspectively, basedonrecent.estimates ofrefueling outageschedules..

Atpresent,wedonotknowhowmanyPlantsurveillance andmaintenance procedures willhavetoberevisedasaresultoftheaginganalysisfindings.

Itispresently anticipated; however,thattheaginganalysisandinputtobeusedintherevisionofthesurveillance andmaintenance procedures willbecompleted byEDSNuclear,Inc.,onorbeforeAugust31,1983.AcompleterevisiontotheD.C.CookNuclearPlantsurveillance andmaintenance procedures andtheestablishment ofthesurveillance/maintenance/replacement programwillbecompleted byNovember30,1985.Therefore, undertheprovisions of10CFR50.49(g),

weherebyrequestaschedular extension toNovember30,1985fortheestablishment ofasurveillance/maintenance/replacement programattheD.C.CookNuclearPlant.Thisrequestforextension appliestoallthoseequipment itemsidentified inAttachment 1tothisletterforwhich"Attachment 2"hasbeenenteredinthe"Qualification NotEstablished" column.

Attachment 3toAFP:NRC:0775C DonaldC.CookNuclearPlantUnitNos.1and2GenericLetter82-33andRegulatory Guide1.97(Rev.2)EuimentItemsAttachment 1tothisletteridentifies certainequipment itemsforwhich"Attachment 3"hasbeenenteredinthe"Qualification NotEstablished" column.Theequipment itemssoidentified arecurrently beingreviewedinlightoftheguidancecontained inRegulatory Guide1.97,Revision2,andundertherequirements ofGenericLetter82-33(whichprovidesforincorporation ofthisreviewintotheintegrated programestablished byNUREG-0737, Supplement 1).Ascommitted tobyourletterAEP:NRC:0773, datedApril'15, 1983,wewillprovidetheNRCstaffwithareviewandreplacement schedule(ifany)six(6)monthsfollowing implementation ofnewEmergency Operating Procedures.

Untilsuchtimeasthesetasksarecompleted andthequalification testreportsarereceivedandreviewedforacceptability, afinalscheduleforqualification cannotbedeveloped.

Thereplacement schedule(ifany)will,however,considerprocurement leadtimes,testcomplications, installation

problems, etc.Therefore, inaccordance witntheprovisions oz10CFR50.49(g),arequestforschedular extension offinalqualification toNovembe"30,1985,isherebymade.forthoseequipment itemsidentified asrelatingtoGenericLetter82-33,Supple'.ent itoNUREG-0737, andRevision2toRegulatory Guide1.97,Thisrequestforschedular extension appliestobothUnitsoftheD.C.CookNuclearPlant.Furthermore, if(asaresultofthesereviews)additional equipment i,temsareident'fied asbeingwithinthescopeofthefinalruleand/orthatequipment presently identified inAttachment 1tothisletterrequiresupgrading, thissubmittal willbeamended.

Attachment 4toAEP:NRC:0775C DonaldC.CookNuclearPlantUnitNos.1and2RTDRelacementTheH.E.SostmanModel811901BandRosemount Model/I'176KSResistance Temperature Detectors (RTDs)identified inourAEP:NRC:0578B submittal (seetheSystemComponent Evaluation Vorksheet, "SCEN"Z28)arebeingreplacedinconnection withtheprogramestablished tomeettherequirements of10CFR50,AppendixR.AsnotedinourletterAEP:NRC:0692E, datedHarch31,1983,completion ofthistaskisscheduled forAugust1985.Therefore, inaccordance withtheprovisions of10CFR50.49(g),

aschedular extension toSeptember 1,1985,isherebyrequested forfinalqualification oftheRTDsidentified above.Thisrequestisapplicable tobothUnitsoftheD.C.CookNuclearPlant.

Attachment 5toAEF:NRC:0775C DonaldC.CookNuclearPlantUnitNos.1and2ReliancePumpa~fotorQualif'ication Anengineering reviewhasbeenconducted toascertain theenvironmental qualification fortheRelianceElectriccontainment spraypumpmotor,inordertodetermine ifthismotorisqualified toperformitssafetyfunctionintheradiation environment outsidecontainment (following aLOCAinsidecontainment).

Althoughtheengineering reviewindicates thatthepumpmotorwillperformsatisfactorily, themotormanufacturer hasofferedtoperformaradiation testonamotorette builtinthesamefashionandwiththesamematerials asthoseoftheinstalled D.C.CookPlantmotor.Thetestisnotyetcomplete.

RelianceElectrichas,however,informedusthattestresultswillbeavailable priortoAugus"31,1983.Assuch,arequestforschedular extension isnotbeingrequested atthistime.

Attachment 6toAEP:NRC:0775C DonaldC.CookNuclearPlantUnitNos.1and2HethodsUsedToIdentify10CFR50.49(b)Euio,entAsrequiredby10CFR50.49(g),

Attachment 1tothislettercontainsalistofthoseequipment itemspresently knowntobewithinthescopeof10CFR50.49(b)(1) through(b)(3).Theidentified equipment itemsarereliedupontoremainfunctional duringandfollowing adesignbasisaccident.

Theactionstakentodevelopthislistconsisted ofthoseinitialactionsperformed forourAEP;NRC:0578B submittal (asdescribed inAttachment 6tothatsubmittal),

reviewofNUREG-0737 requirements regarding environmental qualif'cation, andreconfirmation ofpostulated environments byreviewoftheappropriate FSARsections.

Foreachdeviceidentified asbeingreliedupontoremainfunctional (i.e.,pumpandfanmotors,solenoids, hydrogenrecombiners, valvemotoroperators, etc.),thecorresponding electrical installation whichwouldhavetow'thstand theharshenvironment (i.e.,cables,cableterminations, limitswitches, etc.)wasidentified.

Theseelectrical installations havebeenincorporated intotheequipment listinAttachment 1tothisletter.,Todate,ourreviewof-elqctrical installations serving.safetyornon-safety relatedactuating ormonitoring deviceshasbeenlimitedtothosedeviceswhichhavebeenidentified asfallingwithinthescopeofIEBulletinNo.79-01Bor10CFR50.49(b)(l) through(b)(3).