ML17320A549
| ML17320A549 | |
| Person / Time | |
|---|---|
| Site: | Cook |
| Issue date: | 02/24/1983 |
| From: | VOSBURY F W FRANKLIN INSTITUTE |
| To: | CLEMENSON F NRC |
| Shared Package | |
| ML17320A548 | List: |
| References | |
| CON-NRC-03-81-130, CON-NRC-3-81-130, REF-GTECI-A-36, REF-GTECI-SF, RTR-NUREG-0612, RTR-NUREG-612, TASK-A-36, TASK-OR TAC-07980, TAC-07981, TAC-7980, TAC-7981, TER-C5506-344-3, TER-C5506-344-345-DR, NUDOCS 8306030299 | |
| Download: ML17320A549 (36) | |
Text
(DRAFT)ENCLOSURE 2TECHNICAL EVALUATION REPORTCONTROL0FH"-AVYLOADS(c-j.oiINDIANAANDNICHIGANELECTRICCONIANYDONALDCCOOKNUClEARPLAINTUNITSIAND2NRCDOCKETNO.50-315)50-316NRCTACNO.07980,07981NRCCONTRACTNO.NRC<3-81-130 FRCPROJECTC5506FRCASSIGNMENT 13FRCTASKS344,345PreparedbyFranklinResearchCenter20thandRaceStreetsPhiladelphia, PA1S103Author:F.V.VosburyFRCGroupLeader:
X.H.SargentPreparedforNuclearRegulatory Commission Washing.on,D.C.20558LeadNRCEngineer:
P.C'ensonFebruary24,1983'Thisrepocwaspreparedasanaccountofworksponsored byanagencyoftheUnitedStatesGovernment.
NeithertheUnitedStatesGovernment noranyagencythereof,oranyoftheiremployees, makesanywarranty.
expressed orimplied.orassumesanylegalliability orresponsibility foranythirdparty'suse,ortheresultsofsuchuse,ofanyinformation, appa-ratus,productorprocessdisclosed inthisreport,orrepresents thatitsusebysuchthirdpartywouldnotInfringeprivately ownedrights.aFranklinResearchCenterADivisionofTheFranklinInstitute Theaen)ananFrankfinParkway.Phila..Pa.I9103(215)448l000BSoaoaoa99 8SOSX6PDR,ADOCK OS000315P.~~.'>>-'PDR.
'1lt~w,())l.3q TERW5506-344/345 CONTENTSSect'onTitlePacae1INTRODUCTION e~~e~~.~~~~~~~11.1PurposeofReview1.2GeneicBackground l.3?lant-Snecific
Background
11~2-QLUATION~~~42.1GeneralGuidelines 2.2InterimProtec"ion Measures.
4223CONLUSION~253.1Genera'rovisions forLoadHandling3.2InterinProtection Measures.
R=-ER-t'C-S252628:..'renidin Researc:h Centervaon>>rTh>>Ft>>nttenIns>>a' 0
T~RM5506-344/345 PORE>JORDThisTechnical Evaluation ReportwaspreparedbyFranklinResearchCenterunderacontractwiththeU.S.NuclearRegulatory Commission (OfficeofNuclearReactorRegulation, DivisionofOperating Reactors) foetechnical assistance insupportofNRCoperating reactorlicensing actions.Thetechn'cal evaluation wasconducted inaccorcance withcriteiaestablished.
bytheNRC.Mr.F.W.VosburyandMr.X.H.Sargen"contributed tothetechnical prepa."ation ofth:sreportthroughasubcontract withWESTECServices, Inc..~'."3FranklinResearchCenterh~~zenclTheFrcnshninsanev 0l TERM5506-344/345 l~INTRODUCTION 1.1PURPOSEOFRVXcMThistechnical evaluation reportdocuments anindependent reviewofgeneralloadhandlingpolicyandprocedures attheIndianaandMichiganElectricCompany's (IMEC)DonaldC.CookNuclearPlantUnits1and2.Thisevaluation wasperformed withthefollowing objectives:
otoassessconformance totheaeneralloadhandlingguidelines ofNUEKG-0612,"Controlo"HeawLoadsatNuclearPowerPlants"[1],Section5.1.1otoassessconformance totheinterimprotection measuresofNUREG-06'2, Section5.3.1.2GENICaACZGROUND GenericTechnical ActivityTaskA-36wasestablished bytheU.S.NuclearRgulatoryCommiss'on (NRC)stafftosystemat'cally exam'nestaflicensing
.criteriaandDeadeauacyofmeasuresineffec"atoperat'ng nuclearpowerplantstoensurethesaehandlingofheavyloadsanctorecommend necessary changesinthesemeasures.
Th'sactivitywasinitiated byaletterissuedbytheNRC.stafonMay17,1978[2]toallpowerreactorlicensees, requesting inor...ation concening'tecontrolofheavy'oadsnea'=spentfuel.heresultsofTaskA-36werereportedinNUREG-0612, "ContolofHeavyLoadsatNuclearPowerPlants."Thestaff'sconclusion fromthisevaluation wasthatexistingmeasurestocontrolthehandlingofheavyloadsatoperating plants,althoughproviding protect:ion fromcertainpotential
- problems, donotadequately coverthemajorcausesofloadhandlingaccidents andshouldbeupgraded.
Inordertoupgrademeasuresprovidedtocontrolheavyloads,thestaffdeveloped aseriesofguidelines designedtoachieveatwo-partobjective usinganacceptedapproachorprotect'on philosophy.
Thefirstportionoftheobjective, achievedthroughasetofgeneialguidelines identified inNUBEG-0612, Section5.1.1,istoensurethatallloadhandlingsvstemsatnuclearpowerplantsaredesignedandoperatedsuchthattheirprobability of.".'."JFranklinResearchCenterADinscnot>heFran&ntnsotute TER-C5506-344/345failureisuniformly smallandapiropriate forthecriticaltasksinwhichtheyareemployed.
Thesecondportionofthestaf'sobjective, achievedthroughguidelines identified inNUREG-0612, Sections5.1.2.through5.1.5gistoensurethat,forloadhandlingsystemsinareaswheretheirfailuremightresultinsignificant consequences, either(1)featuresareprovided, inadditiontothoserequiredforallloadhandlingsystems,toensurethatthepotential foraloaddropisextremely small(e.g.,asingle-failure-proof crane)or(2)conservative evaluations ofloadhandlingaccidents indicatethatthepotential consequences ofanyloaddropareacceptably small.Acceptability ofaccidentconsecuences isquant'fiec inNUREG-0612 intofouraccidentanalysisevaluation crit:eria.
CAdefense-in-depth approachwasusedtodevelopthestaffguidelines soastoensurethatal'oadhandlingsystemsaredesignedandoperaedsothattheirprobability offailureisappropriately small.Theintentoftheguidelines istoensurethatlicensees ofalloperating nuclearpowerplantsperormthefollowing:
odefinesaeloadtravelpathsthroughprocedures ancoperatortrainingsothat,totheextentpractical, heavyloadsarenotcarr'edoveronearirradiated fuelorsafeshutdownequipment oprovidesufficient opeatortraining>
handlingsystemdes'gn,loadhandlinginst"uctions, andecuipment inspect'cn toensurereliableopeationofthehandlingsystera.Stafguidelines resulting fromtheforegoing aretabulated inSection5ofNUREG-0612.
Section6ofNUREG-0612 recommended thataprogrambeinitiated toensurethattheseguidelines areimpleraented atoperating plants.1.3PLANT-SPECIFIC BACKGROUND OnDecember22,1980,theNRCissuedaletter(3]toIMEC,theLicenseefor'.C.CookUnits1and2,requesting thattheLicenseereviewprovisions forhandlingandcontrolofheavyloadsatD.C.CookUnits1and2,evaluatetheseprovisions withrespecttotheguidelines ofNUREG-0612, andprovidecertainadditional information tobeusedforanindependent determination ofconformance totheseguidelines.
IMECresponded onJuly31,1981[4].IniJL(tiFranMinResearchCenterAo~sionorThefruu4nlnsct4tc TZRM5506-344/345 l7responsetoaDecember~1981conference callwi&theNRCandPRC,theLicenseesuperseded Reference 4withsubrittalsonJune18,1982[5]andSeptember 29,1982[6],wnichhavebeenincorporated intothistechnical evaluation..'".FranMinResearchCenternCncsconcdTheFcennsncnsecccce TERM5506-344/345 2.EVALUATZQN Thissection.presentsapoint-by-point evaluation ofloadhandlingprovisions atD.C.CookNuclearPlantUnits1and2with.respecttoNRCstaffguidelines providedinNUREG-0612.
Separatesubsections areprovidedforboththegeneralguidelines ofNUREG-0612, Section5.1.1andtheinterimmeasuresofNUREG-0612, Section5.3.Zneachcase,theguideline orinterimmeasureispresented, Licensee-provided information issummarized andevaluated, andaconclusion astotheextentofcompliance, includ'ng recommended additional ectionwheeappropriate, ispresented.
Theseconc'usions aresummarized inTable2.1.21GEN~LGUZDELZ¹S TheNKhasestablished sevengeneralguidelines whichmustbemetinordertoprovidethedefense-inMepth approachforthehandlingofheavyloads.Theseguidelines consistofthefollowing criteriafromSection5.1.1ofNUREG-0612:oGuideline 1-SafeLoadPathsoGuide'ine 2-LoadHandlingProcedures oGuide'ne3-CraneOperatorTrainingoGuideline 4-SpecialLiftingDevicesoGuideline 5-LiftingDevices(notspecially designed) oGuideline 6-Cranes(Znspection, Testing,andMaintenance) oGuideline 7-CraneDesign.Thesesevenguidelines shouldbesatisfied foralloverheadhandlingsystemsandprogramsinordertohandleheavyloadsinthevicinityofthereactorvessel,nearspentfuelinthespentfuelpool,orinotherareaswherealoaddropmaydamagesafeshutdownsystems.TheLicensee's verifica-tionoftheextenttowhichtheseguidelines havebeensatisfied andtheevaluation ofthisverification arecontained inthesucceeding paragraphs.
l'."L~.~FranMin ResearchCenterA~sonclTheFtankJinireasstw4 table2.1.I>.C.'onkI/nitsIand2/>tttAtlt-0612 Cospllanco Hvtrlx~l<1.PolarCrane'Hol<thtorCapacity~tons250/35ra<ldelincICluI<tellno2Ca<I<telinn3Ca<I<tellnoIGut<tellno5StfeIx<adCraner<pcrator Opec!elI.lftlnqI'athsProceduren tralnlngDe<<leesOlin<Inrtuldellno 6Cranetest~1InterlnNoasureItechnical
('llI~<I<<l<CtnterInI<ensure6SpecialAtt<nt.lnnReactorVesselttead-II8.5ttcpttpperInternals 58lo<<crInternals 80NlaslleOh!aids39/07RHCpCavityDulkhcad28/30SectionsItlecclIancounPlantIItulpscnt C2~AuxIllCryDuI14In<3Crane150/2'afipcntFuelShlppin<3Cask110RadIatIonProtection A<IeI<ta55ttcIrradiateI28prelan!Inlpplng caskHleccllancous6PlantIttulpscnt CC~Licenseeactloncosplles<<lthttt<RflG-0612 ouldotlno.
tx'.~LlconneeactiondoesnotcosplyulthttttlWi0612rt<<I<tolinc.pI.Iceoxee actionpartially cnspllesulthttuABG-0612 cul<tellno.
~<-~t)>tapplicable.
R~Licenseehasproposedrovlnlons ortaollfIcatlonn<<Dirt<><<henlnplenontcd,
<<lllbeIncnapllanceulthttttt<Frt-06I2
<a<I<tellno.~~Auxlllary tx<lldlnO cranecapacityI!nit.edto75tonspendingresolution of~<utstandln<3 Itess.'IGAVlVtC)ChIWt<tVI
'rable2.)ICont.)HelShtorCapacityISaILlsteDnxes2DuIdolIncI'uidolInc2Duldellne 3SafelnarlCraneOperatorPathsPrncedures vrslnlnJI rnildelInc4Culdellne 5Arldellne 6Spcalall.lftingCrane-mrt6I'SII.\I~tllnterlmHeasureITechnicsICrane~Dealn~SmclflcatlnnlnlerImHr.sauce6Slav:laIAttention HasteContainer 2HetslDinCReactnrStulRack4-5Superstructure 25lireanlSpenttuelirene8C8IulpmentHatch45ReactorConlsnt28PumpRotstlnJI XssemhlyCReactnrCoolant38PumpHntorGlycolTank53.CHPumpand30ScreenHouseBridgeCrane8CHPumpllotorI5.58CCHPumpIt>tnr8SuppnrtCCHPump23Essential ServiceHaterPumpFwsentIelservIncHaterpumpra>tnf4.52.5HCUl~tAC)IIJJW4lil
(~~TZB.-C5506-344/345 2.'.1NUiKG-0612, HeavyLoadOverheadHandl'ncSstemsa.SummarofLicenseee StatementsandConclusions TheLicensee's reviewofoverheadhandlingsystemsatD.C.CookUnits1and2hasidentified thefollowing cranestobesubjecttothegeneralguidelines ofNUREG-0612:
opolarcranes(250/35tons)'aux'liary buildingcrane(150/20tons)o30-toncirculating water(CN)pumpandscreenhousebricgecrane.Inaddition, thefollowing loadhandlingsystemshavebeenexcludedforthefollowing reasons:Phsicalsenaration fromsafet-relatedecuiament.
Ztwasdetermined byinspection thataloaddropcouldnotdamageanysystemorcomponent requiredorplantshutdownordecayheatremovalforthefollowing loadhandlingsystems:oturbinebuildingmainoverheadcraneotwotubinebuildingauxiliary cranes2.Singlepurposesystem.Eachofthefollowing loadhandlingsystemsisusedformaintenance ofasinglepieceofsafety>>related equipment; consequently, thesesystemswillcarryheavyloadsoversafety-related equipment onlywhenplantconditions havebeenestablished toallowsuchecuipment toberemovedfromserv'ce:odieselgenerator craneoreciprocating chargingpumpmonorailocentrifugal chargingpumpmonorail.osafetyinjection pumpmonorailocontainment spraypumpmonorailoresidualheatremovalpumpmonorailomainsteamvalvemonorailorecirculation valvemonorailoauxiliary feedwater pumphoist3.Weihtcarriedbthehandlinasystem.Thedevicesdonotcarryloadsthatsatisytheweightrequirements foraheavyload:lJJtIL'ranklin ResearchCenterACiesonofabcFtonkhnlnsamte TERMSS06-344/345 ocontainmenr buildingmanipulator craneoauxiliary buildingnevandspent:fuelhandlingcranes.b.Evaluation andConclusion TheLicensee's conclusions concerning theloadhandlingsystemsattheD.C.Cookplantthataresubjecttothegeneralguidelines areconsistent withNUREG-0612.
2.1.2SafeLoadPahsGuideline 1,NUREG-0612, Section5.1.1(l)]
"Safeloaaoathsshouldbedefinedforthemovementofheavyloadstominimizethepotential forheavyXoads,ifdropped,toimpactirradiated fuelinthereactorvesselandinthespentfuelpool,ortoimpactsafeshutdownequipment.
Thepathshouldfollow,totheextentpractical, structural floormembers,beams,etc.,suchthatif,theloadisdropped,thestructure ismorelikelytowithstand theimpact.Theseloadpathsshouldbedefinedinprocedures, shownonequipment layoutdrawings, andclearlymarkeaonthefloorintheareawheretheloadistobehandled.Deviations fromdefinedloadpathsshouldrequirewrittenalternative procedures approvedbytheplantsafetyreviewcommittee."
a.SummaryofLicenseeStatements andConclusions TheLicenseehasproviaeddrawingswhichidentifythelocationofsafeshutdownequipment andloadhandlingareas.Safeloadpathsarebeingaeveloped ortheindividual heavyloadsandvillbeincorporated intotheappropriate procedures assoonaspossible.
Thesecomponent-specific safeloadpathsremainwithintheindicated loadhandlingareasandarebasedonthegeneralconceptofhandlingheavyloadsasclosetotheoperating flooras.isfeasibleinordertominimizethepotential loaddropimpactenergy,andwiththemaximumpossiblehorizontal separation fromspentfuel.Incaseswhereloadsmustpassoverthereactorvessel,thesafeloadpathisestablishea byconsidering theminimumtimespentoverthereactorvessel,theminimumheightreauiredforobstacleclearance, andtheminimumnumberof,craneoperations whichrequireloaddirection changes.Thisapproachof.usingcomponent-specific safeloadpathscontained
=-withinthehandlingormaintenance procedure foreachindividual component was,ltlll'.~'.0FranklinResearchCenterhCushionotTheFrauen4uomte T"R-C5506-344/345developed inlieuoproviding f'xedloadpathsonfacilitystructures suchasmarkingsonloors,walls,andcanerailsorsupoorts.
Themaintenance supervisor or'eadmandirectsthecraneoperatorandisresponsible forensuringthatheavyloadhandlingremainswithintheestablished safeloadpaths.Thecirculating waterpumpandscreenhousecranehaswithinitsoperating areaonlyonesetofsafety-related equipment, theessential servicewaterpumps.Bachoftheseoumpsisindividually locateainsideitsovnenchasedroom.Thecrane'ssaeloadoathcoverstheentireareaexceptthatportionovertheessential servicewaterpumpsroom.Withtheexception ofaliftpertaining totheessential servicewaterpumpsorforstorageontheessential servicewaterpumpsroamroof,thereisnoneedorreasonforalif&topassovertheessential servicewateroumpsroom.Thisroomwasdesignedtowithstand theimpactofthecranefallingonitwhilecarryinga30-tonload.Therefore, theessential servicewaterpumpsareprotected fromallcredibleloaddrops.Pocircumstances requiring deviations fromestablished saeloadhandlingpaths,analtenatesafeloadpathvillbeformulated andtemporarily incorporated intothehandlingprocedure asprovidedintheplant:manager'nstruetionPMI-2010.
Miscellaneous loadsw'thinthereactorcontainment buildingwillnormallybehandledonlywhenthemissileshieldsareinplaceoverthereactorvesselandwillfollowthegeneralsafeloadpathguidelines previously stated.Intheauxiliary
- building, miscellaneous loadswillbehandledaspreseibedinprocedure 12MHP5021.001.036, "ControlofHeavyLoadsintheAuxiliary Building."
b.EvaluationDevelopment anduseofcomponent-specific loadpathsfarindividual heavy'loadsisconsistent withtheintent'.ofthisguideline:
todevelopindividual loadpathsforheavyloadsbaseduponreviewbyengineering stafffamiliarwithplantlayoutandsystemfunctions.
Inaddition, theuseofloadhandlingvuggJFranklinResenrchCenterAClv!SIOhOlThcFtIhk5hIASCAI<C TER-C5506-344/345areaswhichencompass these3oadpathsand3ift-neight restrictions providesana"c't'onal zactorofsafetywher;handlingtheseloacs.Althoughnomentionismaceofloadpathczawings, itisassumedthatdrawingsorequivalent measuresazeused,basedupontheLicensee's statement thatthecomponent-specificloadpathswrecontained withinprocedures forindividual heavyloacs.Regarding deviations fromtheseloadpaths,theLicenseestatesthat,ifreduiredl PMX2010providesguidancetoformulate analtenatepathanddirec"stemporary incorporation intothehandlingprocedure; verification shou'cbemadethataformalreviewofthistemporary deviat'on isconducted ov"ae"'antsafetyzeviewcommittee or,ifsodelegated, theplantmanagerandquaried al"ernates.
Xnacdition, theuseofthemaintenance supervisor/leadman todirectloadr:ovemen".s isanacceptable alternative toloadoathmaking.However,theLicenseeshou3.densurethatthedutiesandresponsibilit'es ofthemaintenance supezvsor relativetoloadhand3.ing azespeciicallydel'neated inappropriate procecuzes toensurethatloadmovementiscontro'led withintheestablished safe-oadpaths.heestabl'shment oanexclusion areaovertheessential sezvicewaterpum"roominlieuofsafe3oadpathsfortheloadshandledbythecirculating waterpumpandsczeenhouse craneisacceptable becausetheexcludedareaissmaansiwe3.'e'nec.However,takingcreditforthedesicnimpact,loading(ofNeessent'al servicewaterpumproomdoesnotmeettheintentofPhase1ofX~.==-Q-06&~,
whichlimitsthemovementofheavyloadsoversafeshutdownecu'p;ent.
Therefore, theLicenseeshouldimplement formalacministrative controlstopreventmovementofheavyloadsoverthisexclusion area.Suchcontrolsshoulddirectmovementofessential servicewaterpumpssoasnottoimpac"anyother.servicewaterpumpaswellastoprohibitstorageofheavyloa"sontheroofofanyenclosure containing anessential servicewaterpumpwhich'sinservice.c.Conclusion andRecommendations CookUnits1and2partially complywithGuide'ine 1'fNUREG-0612.
Xnorcetoccmplyfully,theLicenseeshouldperformthefol'owing: .""renidin ResearchCenterE"~s.and.heFtsncnInsamie~
TERM5506-344/345 veriytha"devia-'ons fromsafe'oadpathsreauireformalreviewandapprovalbytheplantsafetyreviewcommittee.
2.vexifv"Hatsupevisor/leadman responsibilities areclearlydefinedinloadhandlingprocedures.
3.implement formaladministrative procedures thatpreventmovementofheavyloadsovertheessential servicewaterpumproomsandthatprohibitstorageofanyheavyloadsontheroofoveranysuchpumpwhichisinservice.2.1.3LoadHandlinaProcecures Guidel'ne 2,NURZG-0612, Section5.1.1(2)"Poceduresshouldbeceve'oped tocoverloadhandlingoperations forheavyloadsthatareorcouldbehandledoverorinproximity toirradiated fuelorsafeshutdownequipment.
Ataminimum,procedures shouldcovehandlingofthoseloadslistedinTable3-1ofNUREG-0612.
heseprocedures shouldinclude:identification ofrequiredequipment; spections andacceptance criteriarecuiredbeforemovementofload;thestepsandpropersequencetobefollowed'nhandlingtheload;definingthesafepath;andotherspecialprecautions."
a.Surcttarv ofLicenseeStatements andConclusions Adetaileclistofheavyloadsandprocedures governir.g thehandlingofeach'oadhasbeensuppliedbytheLicensee, whohasstatedhattheseprocecures partially complywiththerecommendations ofNUREG-0612.
Asthesafe'oadpathsareincorporated intoprocedures, additional updatingwillbeperformed toincluceequipment identification, inspection andacceptance cr'=eria, step-by-step loadhandlingsequences, andspecialprecautions.
Also,spentfuelcaskhandlingprocedures willbedeveloped whenrequiredandwillconformtotherequirements ofNUREG-0612.
Inaddition, theLicenseestated[5l:"EachEssential ServiceWaterPump.isaccessedthroughtheroofviaitsownhatchway.
Sincetheexposedpumpisalreadyoutformaintenance Werewou'dbenochanceinsystemstatusifitwasdamaged.Therefore,
~=-thereisnoneedforspecialprocedures withrespecttotheCirculating WaterPumpandScreenFouseCrane."."'L'ranklin ResearchCenterAQcnaonelThcFran~Inc".ate TZRM5506-344/345 b.Evaluat'on Loadhandlingprocedures fortheauxiliary bui"ingcraneandthepolarcraneattheD.C;Cookplantareconsistent witht"egu'danceinSection5.1.1(2)ofNUREG-0612 basedontheLicensee's commitmen-torevisethelistedprocedures toincludethefollowing:
1.safeloadpaths2.equipment identification 3.inspection andacceptance criteria4.step-by-step loadhandl'ngsequences 5.specialprecautions.
J+AsstatedinSectiong.1.2ofthisreport,approcriate adm'nistrative procedures shouldbeimplemented tocontrolmovemen:ofheavyloacsneartheessential servicewaterpumps.c.Conclusion andRecommendations D.C.CookUnits1and2complywithGuideline 2OfNURE~0612 intheauxiliarv andreactorbuildings onthebasisofthe.'nsee'scozaitment toreviseloadhand'ingprocedures asindicated.
However,-NeLicenseeshouldimplement appropriate administrative controlsforhandl'ngheavy'oadsinthevic'nityoftheessent'al servicewaterpumps.2.1.4CraneOoeratorTrainincGuideline 3NUREG-".61~,
Sect'on5.1.1(3"Craneoperators shouldbetrained,qualified ancconductthemselves inaccordance withChapter2-3ofANSIB30.2-1976,
'Overhead andGantryCranes'7].
a.SummaryofLicenseeStatements andConclusions ALicenseereviewofcraneoperatorskilltraininglessons,cualitycontrolinspection procedures, andthesafetymanua'sec attheD.C.Cookplantforoperatortraining, qualifications, andcon"uctwasperformed incompar'son totheprovisions ofChapter2-3ofANSI330.2-&76.
Insomeinstances, ANSIstandarditemsarenotspecifically acdressed, butnostated".J'.LFranklinResearchCenterAchosenorTheFrancInsc<u<e TERM5506-344/345 exceptions are-taken.AMaintenance HeadInstruction (MHZ)willbepreparedtoadd"essANSIB30.2-1976 onoperatortraining.
b.Evaluation CraneoperatortrainingattheD.C.Cookplantisconsistent withSection5.1.1(3)ofNUREG-0612 basedonthepoint-by-point reviewofANSIB30.2-1976, Chapter2-3.Further,theLicenseehascommitted toprepareanMHZrofullyaddressANSiB30.2-1976 regarding operatortraining.
c.ConclusionD.C.CookUnits1and2willcomplywithGuideline 3whentheMHZhasbeenpreparedandimplemented.
P2.1.5SpecialLiftincDevices(Guideline 4,NUREG-0612, Section5.1.14)]"Spec'al'if"ingdevicesshouldsatisfytheguiaelines ofANSIN14.6-1978/
'Standard fo"SpecialLiftingDevicesforShippingContainers Weighing.10,000pounds(4500kg)orMoreforNuclearMaterials'8).
Thisstandardshouldapplytoa'1specialliftingdeviceswhichcarryheavyloadsinareasasdeinedabove.Foroperat'ng plantscertaininspections andloadtestsmaybeacceptedinlieuofcertainmaterialrequirements inthe.standard.
Znaddi.tion, thestressdesignfactorstated'inSection3.2.1.1ofANSIN14.6shouldbebasedonthecombinedmaximumstaticanddynamicloads"Hatcouldbeimpartedonthehandlingdev'icebasedoncharacteris-ticsofthecranewhichwillbeused.Thisisin'ieuoftheguideline inSection3.2.1.1ofANSIN14.6whichbasesthestressdesignactorononlytheweight(staticload)oftheloadandoftheinterven'ng components ofthespecialhandlingdevice."a.SummaryofLicenseeStatements andConclusions TheLicenseehasstatedthatarrangements areinprogresstoprovideverification fromWestinghouse ElectricCorporation ofcompliance oftherea'ctorvesselheadandtheupperinternals liftingrigwithANSIN14.6-1978
'heradiation protection shieldliftingdeviceandmissileshieldliftingdevicewereevaluated todetermine compliance withANSIN14.6-1978.
TheLicenseedetermined thatbothdevicesmeettheintentofANSIN14.6-1978 withthefollowing exceptions:
t'IP.iJ<]uranklin ResearchCenterAbnrrranatTheFrerurtnIn3"erre TERM5506-344/345Safetyfactor(AISC):oradiation protection sh'e3.ds-1.5omissileshields>>2.0oinitialprooftestof110%ofmaximum3oadocontinuing acceptance test-110%ofmaximumload.b.Evaluation Insufficient information hasbeenprovidedtoallowadetermination ofcomplianc withrespecttoGuiaeline 4forthereactorvesselheadandinter-nalsliftingig.TheLicenseehasindicated BatDeradiation protection shield(RPS)andmissileshield(NS)liftingdeviceswerebuilttoAISCguide-lines,Qsingfactorsofsafetyof1.5and'.0,respectively, foryieldstress.Thesesafetymarginsaresignificantly lessthanthosevaluesspecified inANSIN14.6>>1978 and,when,combinedwithasubstantially lowerloadtest(110%versus150%),donotprovidethedegreeofconservatism indesignandproofofworkmanship necessary forconsistency withthisguiaeline.
Anyofthefo13.owing optionsmayenabletheLicenseetodemonstrate thataesignandcontinued useofthese1'ftingdevicesareconsisentwiththeintentofANSIN14.6-1978:'l.Reevaluation ofthedesigncriteriaoftheHSandMSliftingcevicestoidentifythosecomponents whichshouldbemodifiedorreplacedinordertoestablish designmarginsconsistent withtheANSIN14~6-1978valuesof3orminimumvieldstrengthand5orultimatestrength.
2.Usealoadsensingdeviceintheloadtrain(suchasaloadcellorsimilardevice)setatamaximumof110%oftheratedload,whichwou3.dpreventexceeding themaximumsafeworkingload(staticandimpact)oftheseliftingdevices.3.Useof~presentliftingdevicesmaybeacceptable ifitcanbedemonstrated that(a)acomprehensive testandinspection programisimplemented whichrequiresanannual(orpriortouse)loadtestof110%combinedwithinspections specified inANSIN14.6-1978, Section5.3.1(2);
(b)adminis""ative procedures whichprovidesufficient details,figures,andprecautions tominimizethepotential forunexpected loading(loadhangupofimpactloadings)
.Fortheremaining specialliftingdevicescurrently beingevaluated, theintentofthisguideline, inadditiontodetermining thatdesignandfabrication providehighreliability, isalsotomakecertainthatappropriate
,r,0r-JL'IJ~FranklinResearchCenterhOtnsondTheFtankfinInsonicc TZRM5506-344/345seepsaretakentoensurethatthesedevicesare'nspected, tested,andmaintained soastoensurecontinued reliability.
Guidanceforaprogramtosupportthegoaliscontained inSection5ofANS3:N14.6.IMEChasprovidednoinformation addressing theseissuesforthereactorvesselheadandinternals liftrig.c.Conclusion andRecommendations SpecialliftingdevicesatD.C..CookUnits1and2donotcomplyw'thGuiceline 4.Todemonst"ate compliance, theLicensyeshouldperformtheollowing:
oiverthereactorvesselheadandinternals liftrig,completetheoverallassessment whichshouldincludeverification ofdesignadequacyofthedevicesaswe3.1astheimplementation of"aprogramto'nsurecontinuing compliance inaccordance withANSI'14.6-1978r Section5.oFortheBPSandMSliftingdevices,implement oneoftheabovelistedopr,ionsorproposeasuitablealternative.
2,1.6LiftinaDev'ces(NotSneciallv Designed[Guideline 5,NURs'G-0612,
.Section5.1.1(531 "Liftingdev'cesthatarenotspecially designedshouldbeinstalled andusedinaccorcance withtheguidelines ofANSI'30.9-1971,
'Slings'9J.
However,inse'ecting thepropesl'na,theloadusecshou'dbethesumofthestaticanamaximumcynamicload.Therating,identified onthes'ingshouldbeintermsofthe'staticload'hich producesthemaximumstaticandcynamicload.Wherethisrestricts slingstouseononlycertaincranes,theslingsshouldbeclearlymarkedastothecraneswithwhichtheymaybeused."a.Surfraarv ofLicenseeStatements andConclusions Routineliftingdevices(slings,ropes,chains,etc.)followtheguide-linessetforthinHancbookforRiggersbyW.G,iVewberry, revisededition,1977.ThishandbookmeetstheintentofANSIS30.9-1971.
Atpresent,slingsattheCookplantareselectedaftertheriggerhasestimated the3.oadweighttobeliftedandtheriggingarrangement thatiatobeused.JL'(lJFranMinResearchCenterAOnnsscnofTheFranasninsaare-15 TZRM5506-344/345Liftingcapacityofthewireropeslingsisidentified bythediameterofropeandliftingarrangement chartsprovidedateachcrib.TheTuflexslingsarecolor-coded according tocapacity, andthenylonstrapsareratedbywidthfortheirliftingcapacities.
Ropesandslingsthroughout theplantaregenerally usedforoneparticular job(i.e.,turbinework,verticalwalls,missileblocks,etc.)andarestoredinthegeneralareaclosetotheequipment thatislifted.Markingofslingswouldrecuireagreatdealoftimeandeffortandwouldnoccompletely eliminate thepossibility ofselecting anincorzect sling.Further,markingsonnylonslingswouldbecomeobscuredastheyaccumulate grease.ZtistheLicensee's opinionthat"anyfurthermarkingoftheslingswillnotprovidefurtherassurance oftheproperslingbeingchosenforaparticulartask."Enaddition, theLicenseedoesnotbelievethatitispractical ornecessary toaccountforadynamic.loadfactor'.Presumab1y, ifsuchafactorwerearealsafetyconcern,theuniversally acceptedANSIstandards wouldrequireit.Thisbeliefisbasedonthefollowing factors:first,thehoistingspeedsattheCookplantarerelatively slowandanycontribution fromadynamiceectwouldnotbesignificant; second,criticallifts(e.g.,reactorvesselheaiormissileshield)arealwaysconeatveryslowspeeds.b.Evaluation TheD.C.Cookplantsubstantially satisfies therequirements ofthisguideline onthebasisthatslingsareselectedandusedinaccordance withANSIB30.9-1971.
Areviewofavailable information indicates thatthemaximumhoistspeedsforthecranessubjecttoNUREG-0612 arerelatively slow:oPolarcranemainhoist-4.75fpmauxiliary hoist-31fpmAOivraronolTheFranrrrrn InaaoNe TERM5506-344/345oAuxiliarv buildingcranemainhoist-4.5fpmauxiliary hoist-35fpmoCirculating waterpumpandscreenhousecrane-18.75fpm.Therefore, dynamicloadsimposedontheseslingsarereasonably smallandmaybedisregarded whendetermining thestaticloadtobeusedwhenselecting andusingslings.Useofwireropediameterornylonslingwidthisanacceptable meansofdetermining slingcapacitv; however,theLicenseeshouldensureRatthis\cetermination isbaseduponthetablescontained inANSIB30.9-1971.
c.Conclusion TheD.C.CookplantcomplieswithGuideline 5ofNUREG-0612.
2.1.7CranesZnsoection, Testin,andMaintenance
[Guideline 6,NUREG-0612 Sec"ion5.1.3.(6"Thecraneshouldbeinspected, tested,andmaintained inaccordance withChapter2-2ofANSIB30.2-1976,
'Overhead andGantryCranes,'iththeexception thattestsandinspections shouldbeperformed priortousewhereitisnotpractical tomeetthefrequencies ofANSIB30.2forperiodicinspection andtest,orwherefrequency ofcraneuseislessthanthespeciiedinspection andtestfrequency (e.g.,thepolarcraneinsidea'PNRconta'nment mayonlybeusedevery12to18monthsduringrefueling operations, andisgenerally notaccessible duringpower'peration.
ANSIB30.2,however,callsforcertaininspections tobeperformed dailyormonthly.Forsuchcraneshavinglimitedusage,theinspections, test,andmaintenance shouldbeperformed priortotheiruse)."a.SummarofLicenseeStatements andConclusions TheLicenseehasstatedthatcraneinspection, testing,andma'ntenance attheD.C.Cookplant'sprimarily controlled byMHZ5030,theAEPsafetymanual,maintenance procedures, pre-operational testprocedures, qualitycontrolinspection procedures, andthecranemanufacturer's partslistandoperat:ion andmaintenance instructions.
Thesedocuments werereviewedag5instthecriteriasetforthinChapter2-2ofANSIB30.2-1976.
Asaresultofthisil".lIFranklinResearchCenterA0~otTheFtandninsmue TERM5506-344/345evalua"'on, heLicenseeconsiders c"aneinspection, testing,andmaintenance ooe'nc'oseagreement wi"4ANSIB30.2wi6fewexceptions.
b.Evaluation Craneinspection, testing,andmaintenance atD.C.CookUnits1and2iscons'stent withGuideline 6inthattheLicenseeemploysaprogramincloseagreement withANSIB30.2.However,thosedifferences identified betweentheD.C.CookprogramandtheANSIstandardshouldbeaddressed bytheLicenseeandincorporated
'ntotheinspection programattheD.C.Cookplant.C=anemaintenance procedures shouldbeupgradedtoincorporate requirements similartothosecontained inANSIB30.2-1976 forcomponent repai"andreplacement (Articles 2-2.3.3.C, 2-2.3.1,2-2.3.2)andwireropemaintenance (Articles 2-2.4.2and2-2.4.3).
c.Conclusion andRecommencations D.C.CookUnits1and2partially complywithGuideline 6ofNUREG-0612.
Inor"ertocomplyfully,thecranemaintenance programandprocedures
'shouldbe.rev'sed toincludecriteriaofANSIB30.2-1976 relatedtocomponent repai"andreplacement andwireropemaintenance.
2.'.6CraneDesicn[Guide'ne 7;NUREG-0612, Section5.1.1(7))"Necraneshouldbedesignedtomeettheapplicable criteriaandguidel'nes ofChapter2-1ofANSIB30.2-1976,
'Overhead andGantryCranes,'ndof~A-70,'Specifications forElectricOverheadTraveling C=anes'10].
Analternative toaspecification inANSIB30.2orCKA-70maybeacceptedinlieuofspecificcompliance iftheintentofthespecificationissatisfied."a.SummaryofLicenseeStatements andConclusions TheLicenseehasstatedthattheauxiliary buildingcrane,thetwopolarcranes,andthecirculating waterpumpandscreenhousecraneweredesignedandmanufactured in1969-1970 bytheWhitingCorporation according totheguidelines ofEOCZSpecification 61andANSIB30.2-1967.
Znordertodetermine compliance, thespecifications underwhichthecranesweredesigned;."'ranMinResearchCenterAChvSanclTheFandnInsane
~~TMM5506-344/345weecompareditem-by-item againstthemostrecentversionsofthepresentspecifications.
Thestudyaddressing theANSIStandardandtheresulting analysisofthecranesintheareasofdiscrepancy indicated thatthecraneswereincompliance.
Thestudycomparing CMAA-70andKOCH-61wasperformed byWhitingCorporation andindicated twelveareasinwhichthecranesdidnotmeetM&A-70(1975)designstandards:
150/20TonAuxi'arvBuildincCrane1."Thedrumpin'onstrengthofthemainhoistextrareduction gearing'sexceededby8%andthegeardurability isexceededby458."Disposition
-Loadliftingwillbelimitedto75tonsmaximumuntilthisitemisresolved.
2.Themainblockbronzesheavebushingisoverstressed by28%."Disposition
-Whitingstatesthatthe1,000psiworkingpressurestatedinCP2A-70-Rev.75,isnotrelatedtoanyspecifictypeobea'gmaterialsupplied.
Theexistingbushingsintheblocksheavesare>79bronzoid, wnichhasanultimatecompressive stress=at'ngof10,000psi,andNhitingfutherstates,atasafetyfactorof5asspecified bvCK,A-70,thebushingshouldbeadequateorworkingloadsuptocompressive stressesof2,000psi.Thereforeg thebushingissatisfactory.
3."aeauxiary hoistsheavematerialisClass35castironwithan'imate"ens'lestrengthof35,000psi,insteadoftheClass40czs"'"onwithanultimatetensilestrengthoR'40>000 psia'sspecified inC~-70."Disposition
-Whitingstatesthatsheavesaregenerally stressed'ncompression betweentheirropecontactareaandhub.Tensilestessesareusuallyofminorconsequence atbearinghubsandatropeentrypointsintheirflanges.Weconcurthatthesheavematerialissatisfactory.
4.Thehorsepower andtorqueratingoftheauxiliary hoistmotorisexceededby1.5%whenhandlingaratedloadof20tons."Disposition
-Thehorsepower andtorqueratingoftheauxiliary hoistmotorisexceededbecausetheweightoftheloadblockwasaddedtothe20-toncapacityofthehoist.Thegears,bearings, andbrakearealladequatefortheadditional load.Therefore, nomodification isnecessary sinceatworstthemotorwouldstallwhenattempting to'if"afull-capacity load.i"'L".'.enMin Reseerc',h CenterA0~AdTheFtanenInsane;te T~RM5506-344/3455."Thelongitudinal stifenersarenotlocatedproperlyanddonotmeetmomentofinertiarequirements."
IDisposition
-Adesignchangewillbeinitiated toaddlongitudinal stiffeners totheoutsidefaceofeachmaingirderwebplate.6.."Intheeventofanaxlefailure,thebridgeendtruckmaydrop1-7/8inch,insteadoftheallowed1inch."Disposition
-Adesignchangewillbeinitiated toweldbarstotheendtruckplatesacrosstherunwayrailheadneareachbridgewheel.25035TonContainment polarCranes7~"Theauxiliary hoistsheavematerialisClass35castironwithanultimatetensilestrengthof35,000psi,insteadoftheClass40castironwithanultimatetensilestrengthof40,000psiasspeciiedinC%A-70."Disposition
-SameasItem3above;nomodification isnecessary; 8."Thegirderlongitudinal stiffener isnot'ocatedproperly."
Disposition
-According totheevaluation byWhiting,thelocat'onofthelong'tucinal stifenerswasdetermined bytheweldlengthrequiredtot'ransfer bridgerailloadingsthroughtheintermediate shor"depthstiffeners tobothwebsofeachgirder,aswellastheoveralldepthrequiredintheseshortdepthstiffeners totransfertheraiLloadmomentacrossthespanbetweengirderwebs.WhitingbelievesSatthelongitudinal stiffener locationspecified inC~-70hasbeenestablished basedontheextremecasewhereonlyfulldepth'nternalstiffeners maybeusedandthatitneglectsthereduction ineffective unsupported webpanellengthsprovidedbytheshortdepthinternalstiffeners.
TheLicenseeconcurswithb>iting's conclusion thattheprobability ofwebbucklinginthiscriticalwebcompression areaisreducedtoanextentequaltoorexceeding thereinforcement requiredbythepresentspecification.
Therefore, girderstiffener modification isnotneeded.30-TonCirculatin WaterPumnsandScreenHouseCrane9~"Thehoistsheavematerials isAS%A48Class35castironinsteadofsteelorASTMA48-64o"laterClass40iron,asspecified inCMAA-70."
Disposition
-Adesignchangewillbeinitiated toinstallnewsheaves.Pleasenotethatthereasonwhythesheavesarebeingreplacedonthiscranebutnotonthecontainment polarcranescrrontheauxi'iary buildingcraneisthatthesheavesonthecirculating III(FranklinResearchCenterhi&siondThcFranwn!nscm<e T~M5506-344/345 watepumpandscreenhouse.cranearesmallerandthusthecompression st"essislarger.10."Thehorsepower andtorcueratingofthehoistmotorisexceededby4.758whenhandlingaatedloadof30tons."Disposition
-Themotorhasa70Cat60minutestemperature riseratingattherated40hp.Attherequired41.9hp,themotorhasa77Ctemperature riseat60minutes.TheCMAstandards forClassP~insulation allowa105'Ctemperature rise.Therefore, themotorwillmeetthetemperature riselimitations andisadequate.
1L~"Therecuiredhoistbraketorqueexceedstheratedtorcueby2%."D'sposit.'on
-Adesignchangewillbeinit'ated tomodifytheexistingbrakesothatitwillmeettherequiredtorquerating.12."TheXongitudinal st'ffeners donotmeetthemomentofinert'arequirements."
Disposition
-Adesignchangewi'beinitiated.
toaddlongitudinal stiffeners tomeetthemomentofinertiarequirements.
Theabovereviewindicates thatthecontainment polarcranesareentirelyadecua"e.
Twomodiicationswillbe'madefortheauxi'iary buildingcrane:inszalationofacditional longitudinaL stiffene" sandinstallation ofbarstoreduceend-truck drop.hefollowing modifications willbemadetothec'rculating waterpumpancsere.housecrane:(1)replacement ofthehoistSheaves,(2)modification oirhehoistbrake,and(3)installa"ion ofadditional longitudinal stifzeners.
b."-valuationThepolarcranesatD.C.CookUnits1and2areconsist:ent withGuideline 7ofNUREG-0612 sincedeviations fromCMA-70identified inthedetailedanalysis.
performed bytheLicenseeandbyWhitingCorporation arenotexpectedtoresultincranereliability significantly lessthanthatprovidedbyfu'1compliance withCMA-70.Theauxiliary buildingcraneisnotinverbatimcompliance withthecranedesigncriteriaofC~-70;however,theLicenseehasdemonstatedtheadequacyofthepresentdesignandhascommitted tomakemodifications tothelongitudinal stiffeners andtoinstallbarstoreducebridgeendtruckazop.TheLicensee's intenttolimittheauxiliary
"..';."renklin ReseerchCenterECivoendThefranc'nlascar(c T~M5506-344/345buildingcranetoa75-tonmaximumlift(normally 150tonsmaximum)untilthedrumpinionstrengthandgeardurability questions areresolvedisalsoconsistent withGuiceline 7.Similarly, thecirculating waterpumpandscreenhousecraneisnotinverbatimcompliance withthecranedesigncriteriaofCMAA-70;again,however,theLicenseehasdemonstrated theadequacyofthecurrentdesignandcommitted tothefollowing modifications:
(1)thehoistsheaveswillbereplacedwithstrongematerial, (2)thehoistbrakedesignwillbemodifiedtoimprovebrakingorcue,and(3)longitudinal stiffeners willbeaddedtomeetmomentofinertiareauirements.
c.Conclusion andRecommendations ThepolarcranesatD.C.CookUnits1and2complywithGuideline 7ofNU~-0612.
Contingent uponcompletion ofmodifications proposedforboththeauxil'ary buildingcraneandtheCWpumpandscreenhousecrane,thesecraneswillcomplywiththisguideline.
Howeve,theauxiliarv buildingcraneshouldberestricted toacapac'yof75tonsuntilresolution ofthedrumpinionstreng"4andgeardurabity questions andsubsequent reviewbytheNRC.2.21NTERZMPROZKCTION iMASURHSTheNR:hasestablished sixinterimprotection measurestobeimplemented atoperating nuclearpowerplantstoprovidereasonable assurance thatnoheavyloadswillbehandledoverthespentfuelpoolandthatmeasuresexisttoreducethepotential foraccidental loaddropstoimpactonfuelinthecoreorspentfuelpool.PourofthesixinterimmeasuresofthereportconsistofgeneralGuideline 1,SafeLoadPaths;Guideline 2,LoadHandlingProcedures; Guideline 3,CraneOperatorTraining; andGuideline 6,Cranes(Enspection, Testing,andMaintenance)
.Thetworemaining interimmeasurescoverthefollowing criteria:
1.Heavyloadtechnical specifications 2.Specialreviewforheavyloadshandledoverthecore.(,'.'LdFrankiinResearchCenterAOieaonolTheFi<<uVwinstable22>>
TERM5506-344/345 Licenseeimplementation andevaluat'on oftheseinterimprotection measuresarecontained inthesucceeding paragraphs ofthissection.2.2.1Technical Snecifications
[InterimProtection Measure1,NUREG-0612 Section5.31))"Licenses foralloperating reactorsnothavingasingle-failure-proof overheadcraneinthefuelstoragepoolareashouldberevisedtoincludeaspecification comparable toStandardTechnical Specification 3.9.7,'CraneTravel-SpentFuelStoragePoolBuilding,
'orPWR'sandStandardTemnicalSpecification 3.9.6.2<'CraneTravel,'orBNR's,toorohibithandlingofheavyloadsoverfuelinthestoragepooluntilimplemen-tationofmeasureswhichsatisfytheguidelines ofSection5.3.."a.Evaluation TheTechnical Spec'fications forD.C.CookUnits1and2includearequirement inparagraph 3.9.7whichprohibits themovementofloadsinexcessof2500lboverspentfuelinthestoragepool.Sincetheintentofthisinter'mactionistolimittheunnecessary movementofheavyloadsoverspentfuelinthestoragepool,D.C.CookUnits1and2saisythisrecuiement.b.ConclusionD.C.CookUnits1and2complywithZnterimProtection Measure1.2.2.2Administrative Contiols[XnterimProtection Measures2,34,and5,NUREG-0612, Sections5.32)-5.35)"Procedural oradministrative measures[including safeloadpaths,loadhandlingprocedures, craneoperatortraining, andcraneinspection)...
canbeaccomplished inashorttimeperiodandneednotbedelayedfor..completion ofevaluations andmodifications tosatisfytheguidelines ofSection5.1of[NUREG-0612)."
a.SummarofLicenseeStatements andConclusions Sumnaries ofLicenseestatements andconclusions arecontained in~discussions oftherespective generalguidelines inSections2.1.2<2.1.3i2.1.4,and2.1.7.ul'il'1JJuFranklinResearchCenterAOivnianofTheFrani4nIrusaac~A23 TZRM5506-344/345b.Evaluations, Conclusions, andRecommendations
"-valuations, conclusions, andrecommencations arecontained indiscussions of"herespective.
generalguidelines inSections2.1.2,2.1.3,2.1.4,and2.1.7.2.2.3SbecialReviewsforHeavyLoadsOvertheCore[InterimProtection Measure6,NUREG-0612, Section5.36)]"Specialattention shouldbegiventoprocedures, equipment, andpersonnel forthehandlingofheavyloadsoverthecore,suchasvesselinternals orvesselinspection tools.Th'sspecialreviewshouldincludethefollow'ng ortheseloads:(1)reviewofprocedures forinstallation ofriggingorlifti.ngdev'cesandmovementoftheloadtoassuethatsufficient detail'sprov'edandthatinstructions areclearandconc'se;(2)visualinspections oloadbearingcomponents ofcranes,slings,andspeciallift'ngdevicestoidentifyflawsordeficiencies thatcouldleadtofailureofthecomponent; (3)appropriate repairandreplacement ofdefective components; and(4)verifythatthecraneooerators havebeenproperlytrainedandarefamiliarwithspecificprocedures usedinhandlingtheseloads,e.g.,handsignals,conducofoperations, andcontentofprocedures."
a.=~aluaticn thoughnoinormationhasbeenprovidedbytheLicensee, itisapparentfromaeresponses toGuidelines 2and3thatprocedures forhandlingloadsoveDecoreapprc-r'ate.
beeneviewedandoperatortraininghavebeenreviewedandupgradedasPeLQg:naccit'or.,
"aedesignofc"aneaatteD.C.Cookplan-hasancfoundtocomplywithNUREG-0612
~Therefore, osatisythe~requiementsofthisinterimmeasure,theLicenseeshouldperformtherecuested specialreviewofallspecialliftingdevicesusedoverthecoresinceadesignreviewhasnotbeencompleted bythevendor,b.Conclusion andRecommendation TheD.C.Cookp'antsubstantially complieswithInterimProtection Measure6.Inordertofullycomply,theLicenseeshouldperformavisual'nspection ofloadbearingcomponents ofspeciallift'ngdevicesusedtohandleheavyloadsoverthecore,pendingcompletion ofthefulldesignandcontinuing compliance reviewbeingperformed inaccordance withGuideline 4..;".L'mnkiin ResearchCenterhM~orTheFranAnInseam TZRM5506-344/345 3.CONCLUSZON Th'ssummarvisprovidedtoconsolidate theresultsoftheevaluation contained inSection2concerning individual NRCstaffguidelines intoanoverallevaluation ofheavyloadhandlingatD.C.CookUnits1and2.Overallconclusions andrecommended Licenseeact'ons,whereappropriate, areprovidedwithrespecttobothgeneralprovisions forloadhandling(NUREG-0612, Section5.1.1)andcompletion ofthestaffrecommenaations forinterimprotec"ion(NUM>G-0612, Section5.3).3.1GO=PALPROVZSZONS FORLOADHANDLZNGTheHKstaffhasestablished sevenguidelines concerning provisions forhandlingheavyloa'dsintheareaofthereactorvessel,nearstoredspentfuel,or'notherareaswhereanaccidental loadd"opcoulddamageequipment.
requ'redforsafeshutdownordecayheatremoval.Theintentoftheseguidelines istwofold.Aplantconforming totheseguidelines willhavedeveloped andimplemented, throughprocedures andoperatortraining, safeloadtrave'aths suchthat,tothemax'mumextentpractical, heavyloacsarenotcarriedoverornearirradiated fuelorsaeshutdownecuipment.
Aplantconforming totheseguidelines willalsohaveprovidedsufficient operator""aining, handlingsystemdesign,loadhandling'nst="ctions, andequipment inspeciontoensurereliableopeationofthehandlingsystem.As.detailedinSection2,ithasbeenfoundthat.loadhandlingoperations atD.C.CookUnits1and2canbeexpectedtobeconducted inahighlyreliablemannerconsisten" withthestaff'sobjectives asexpressed intheseguidelines.
needforfurtherLicenseeaction,however,wasidentified inthefollowing areas:-:oTJKCshouldverifythatimplementation ofsafeloadpathsincorporates thefollowing additional issues:(1)verifythatdeviations fromestablished loadpathsreauireformalreviewandapprovalbytheplantsafetyreviewcommittee oritsequivalent; (2)verifythatdutiesofthesupervisor/leadman areclearlydefinedinprocedures; and(3)implement formaladministrative procedures thatpreventmovementofheavyloadsovertheessential servicewaterpumproomsandprohibitstorageofanyheavyloadsontheroofoveranysuchpumpwhichisinservice.t'~LIJFrenldinReseerchCenterADreaanotTheFtani4nInsanrtc TERW5506-344/345 oIMECshouldcompletetheassessment ofthereactorvesselheadandinternals liftrig.Suchanassessment shouldincludeverification of~'aeadequacyofdesignofthedevicesaswellastheimplementation ofprogramstoensurecontinuing compliance inaccordance withSection5ofANSIN14.6-1978.
oIMECshouldimplement oneofthefollowing optionsfortheradiation protection shieldandmissileshieldliftingdevices:(a)reevaluate thedesignmarginsofload-bearing components andreplaceormodifythenecessary components toestablish designmarginsconsistent withANSIN14.6-1978; (b)installaload-sensing deviceintheloadtrainwhichwouldpreventtheoperatorfromexceeding themaximumsafeworkingloadothesedevices;or(c)implement acomprehensive testandinspection programwnichrequiresanannualloadtestof110%combinedwiththecomprehensive inspections ofANSIN14.6-1978, Section5.3.1(2),
aswellasimprovedadminist"ative procedures whichrecucethepotential forunexpected impactloadingandeffectsofapossibleloaddzop.oIMECshouldupgradethecranemaintenance andinspection programtoincorporate ANSIB30.2-1976 requirements forcomponent repairandreplacement andwireropemaintenance.
3.2'NTERIMPROTECTION MEASURESInNUBEG-0612, Section5.3,theNFdstaffhasestablished certainmeasuresthatshouldbein'tiated toprov'dereasonable assurance "oathandlingofheavyloadswillbeperformed inasafemanneruntilf'nalimplementation ofthegeneralguidelines ofNUREG-0612, Section5.1iscomplete.
Specified measuresinc'uce:theimplementation ofatechn'ca'pecification toproh'bitthehandlingofheavyloadsoverfuelinthestoragepool;compliance withGuidelines 1,2,3,and6ofNUREG-0612, Section5.1.1;areviewofloadhandlingprocedures andoperatortraining; andavisualinspection program,including component repairorreplacement asnecessary ofcranes,slings,andspecialliftingdevicestoeliminate deficiencies thatcouldleadtocomponent failure.Theevaluation ofinformation providedbytheLicenseeindicates thatadditional actionisrequiredinsevealareastosatisfycompliance withtheInterimProtection Measures.
Licenseeactionforslingshasbeenaddressed inSection3.1orthisevaluation.
FurtherLicenseeactionnecessary forcompliance includesthefollowing item:rr~qtJLtJFranklinResearchCenterA~onolTheFram4nInsole TZRW5506-344/345 oEMCshouldperformavisualinspection ofallloadbearing'components ofspecialliftingdevicesusedtohandleheavyloadsoverthecore.~JMFrarikiin ResearchCenterA&veenelTheFsewcsnInsecwe27>>
TERM5506-344/3454~~~ERENCESNRC"ControlofHeavyLoadsatNuclearPowerPlants"July1980NURE~61220V.Stello,Jr.(NRC)LettertoallLicensees
Subject:
ReauestforAdditional Informat'on onConto'fHeavyLoadsNearSpentuel17May19783~D.G.Eisenhut(NRC)LettertoAllOperating Reactors
Subject:
ControlofHeavyToads22December19804.R.S.Hunter(IMi:C)LettertoH.R.Denton(NRC)
Subject:
ControlofHeavyLoads31July19815~R.S.Hunter(IMEC)Lette"toH.R.Denton(NRC)
Subject:
Cont:olozHeavyLoads18June19826.R.S.Hunter(IMEC)LettertoH.R.Oenton(NRC)Sub~cot:C~n""olo=Heavvleads29September 19827~AmericanNationalStandards Institute "Overhead andGantryCranes"NewYork:1976ANSIB30.2-1976 8.AmericanNationalStandards Institute "Standard forLiftingDevicesforShippingContainers Weighing10,000Pounds(4500kg)orMoreforNuclearMaterials" ANSIN14.6-1978 9~AmericanNationalStandards Institute "Slings"ANSIB30.9-1971II'J/I:F'ranklin ResearchCenterACroond%bcFranklinInstate-28-.
TZRM5506-344/345l0.CaneFanufacturers Association ofAmerica,Znc."Specifications forElectricCverheadTravelina Cranes"Pittsburch, PACMA-70J/ll!JFranklinResearchCenterA~eonofTheFran&nInsomte CFr,5"W'1