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{{#Wiki_filter:P.O.IIOX013100,MIAMI.FL33101FLORIDAPOIlVERaLIGHTCO'".PA/.~December19,1978L-78-391Mr.C.E.Murphy,ChiefReactorConstructionandEngineeringSupportSranchU.S.NuclearRegulatoryCommission101MariettaStreet,Suite3100Atlanta,Georgia30303DearMr.Murphy:Re:RII:RWW50-389/78-10FloridaPower&LightCompanyhasreviewedthesubjectinspectionreportanditsresponseiscontainedinAttachmentA.Thereisnoproprietaryinformationcon-tainedinthereport.Verytrulyyours,~gjg.>>cRobertE.UhrigVicePresidentREU:LLL:cfAttachmentcc:Mr.JamesP.O'ReillyOfficeofInspectionandEnforcementHaroldF.Reis,Esquire  
{{#Wiki_filter:P.O.IIOX013100,MIAMI.FL33101FLORIDAPOIlVERaLIGHTCO'".PA/.
~December19,1978L-78-391Mr.C.E.Murphy,ChiefReactorConstruction
andEngineering
SupportSranchU.S.NuclearRegulatory
Commission
101MariettaStreet,Suite3100Atlanta,Georgia30303DearMr.Murphy:Re:RII:RWW50-389/78-10
FloridaPower&LightCompanyhasreviewedthesubjectinspection
reportanditsresponseiscontained
inAttachment
A.Thereisnoproprietary
information
con-tainedinthereport.Verytrulyyours,~gjg.>>cRobertE.UhrigVicePresident
REU:LLL:cf
Attachment
cc:Mr.JamesP.O'ReillyOfficeofInspection
andEnforcement
HaroldF.Reis,Esquire  
1I  
1I  
ATTACHMENTARESPONSETORII:RWW,50-389/78-10Findin1:2InchTaretRockSafetInectionValveDeficiencTheRIIinspectornotedthatbothCEandtheRIIhadinformedFPLofanexcessivepressuredropwiththesubjectvalves,andthatFPLappearedtoincorrectlyevaluatetheincidentasnon-reportable,contrarytoCE'sconclusionthatitindeedwasreportableunder10CFR50.55(e).~Resonse:Mewishtonotethat10CFR50.55(e)clearlystatesthattheholderoftheconstructionpermitisresponsibleforthedeterminationofwhetheraconstructionincidentisreportable,andnottheNSSSvendor.FPLhasusedtheassistanceofanumberofparties,includingCE,initsdetermin-ationofthereportabilityofthisitem,butbynomeansdoestheopinionofanoutsideorganizationbindustoitsconclusion.ItappearsthatthemajordifferencebetweenRIIandFPL,regardingthereportabilityofthisitem,liesintheinterpretationofthephrasein1050050.55(5(11(,"~iifl5fl11fl1dfg."(5dladded.)FPL'sreviewofthisproblemconcludedthattheissuewasavalidsafety-relateddefect,butnotasignificantone;therefore,noreportingwasrequired.Thisjudgementisbasedonthefactthat(1)thevalveswerenottobeinstalledforsometime,(2)theproblemwasidentifiedthroughnormalgAchannels(viaCE),and(3)therepairwasminorandeasilyperformedwithoutextensiveevaluationorredesign.Basedupontheabove,FPLmusttakeexceptiontothefindingsnotedbytheinspector.ItisFPL'sopinionthatproblemssuchastheabove,identifiedandresolvedthroughroutinechannels,arenormalrepairitemstypicallyencounteredonaconstructionsite.Duetothefactthatsafety-relatedequipmentwasinvolved,FPLinvokedtheevaluationproceduresandmaintainedrecordsoftheresolutiontoensureproperhandlingoftheissueandcompliancewiththeappropriategAprocedures.  
ATTACHMENT
ARESPONSETORII:RWW,50-389/78-10
Findin1:2InchTaretRockSafetInectionValveDeficienc
TheRIIinspector
notedthatbothCEandtheRIIhadinformedFPLofanexcessive
pressuredropwiththesubjectvalves,andthatFPLappearedtoincorrectly
evaluatetheincidentasnon-reportable,
contrarytoCE'sconclusion
thatitindeedwasreportable
under10CFR50.55(e).
~Resonse:Mewishtonotethat10CFR50.55(e)clearlystatesthattheholderoftheconstruction
permitisresponsible
forthedetermination
ofwhetheraconstruction
incidentisreportable,
andnottheNSSSvendor.FPLhasusedtheassistance
ofanumberofparties,including
CE,initsdetermin-
ationofthereportability
ofthisitem,butbynomeansdoestheopinionofanoutsideorganization
bindustoitsconclusion.
Itappearsthatthemajordifference
betweenRIIandFPL,regarding
thereportability
ofthisitem,liesintheinterpretation
ofthephrasein1050050.55(5(11(,"~iifl5fl11fl1dfg."(5dladded.)FPL'sreviewofthisproblemconcluded
thattheissuewasavalidsafety-related
defect,butnotasignificant
one;therefore,
noreporting
wasrequired.
Thisjudgement
isbasedonthefactthat(1)thevalveswerenottobeinstalled
forsometime,
(2)theproblemwasidentified
throughnormalgAchannels(viaCE),and(3)therepairwasminorandeasilyperformed
withoutextensive
evaluation
orredesign.
Basedupontheabove,FPLmusttakeexception
tothefindingsnotedbytheinspector.
ItisFPL'sopinionthatproblemssuchastheabove,identified
andresolvedthroughroutinechannels,
arenormalrepairitemstypically
encountered
onaconstruction
site.Duetothefactthatsafety-related
equipment
wasinvolved,
FPLinvokedtheevaluation
procedures
andmaintained
recordsoftheresolution
toensureproperhandlingoftheissueandcompliance
withtheappropriate
gAprocedures.  
f>(''f~pj>  
f>(''f~pj>  
TTACHt<ENTA-RESPONSETORII:RWW,50-389/78-10Page2Findin2:Inersol1-RandI-RLowPressureSafetLPSIandContainmentSraPumCSPOeficiencTheRIIinspectornotedthatFPLknewofaproblemwithanimpellerlockingnutassemblyworkinglooseatoneofitsotherplants(TurkeyPoint)inNovember1975andwasinformedbyRIIonAugust23,1978ofthepotentialdeficiencyaswell.-Theinspectorfurtherstatesthatdespite"knowledgeofthispotentialsignificantdeficiencyinfinaldesign"FPLfailedtoreportthemattertotheNRCinaccord-ancewith10CFR50.55(e).~ll2:ThisissuearosefromFPL'sconcernoveramaintenanceitem.TheTurkeyPointproblemwasresolvedbytack-weldingthenuttight,andin1975FPLrequestedassurancefromI-RthatthisorsomeothersatisfactorymethodofsecuringthelocknutsforpumpstobesuppliedforSt.LucieUnit2wouldbeprovided.Atthistimethepumpswerenotyet'manufac-tured.Meareattachingcopiesofourcorrespondenceonthismatter,whichwerenotavailabletotheinspector,whichwebelievewillfurtherclarifytheissue.Ouropiniononthesignificanceofthisitemisthesameasthatforthefindingabove.Thisisaminoritem,pickedupbyFPL'snormalgAandpreventativemaintenanceprogramandisnon-reportable.Further,adeficiencyeitherinfinaldesignorconstruction,hasnotbeenidentifiedwiththepumpssuppliedforUnit2.Basedupontheabove,FPLmusttakeexceptiontothefindingnotedbytheinspector.FPLbelievesthatutilitieswhichusetheexperiencesofotherunitstouncoverandcorrectproblemsbeforetheydevelop,ashappenedintheseinstances,shouldbecorenended,andnotfoundtobeinblanketnon-compliancewithNRCreporting'procedures.ShouldRIIdisagreewithourinterpretationof"significant",wesuggestthatfurtherdiscussiontoclarifytheissuemaybeappropriate.  
TTACHt<ENT
A-RESPONSETORII:RWW,50-389/78-10
Page2Findin2:Inersol1-RandI-RLowPressureSafetLPSIandContainment
SraPumCSPOeficienc
TheRIIinspector
notedthatFPLknewofaproblemwithanimpellerlockingnutassemblyworkinglooseatoneofitsotherplants(TurkeyPoint)inNovember1975andwasinformedbyRIIonAugust23,1978ofthepotential
deficiency
aswell.-Theinspector
furtherstatesthatdespite"knowledge
ofthispotential
significant
deficiency
infinaldesign"FPLfailedtoreportthemattertotheNRCinaccord-ancewith10CFR50.55(e).
~ll2:ThisissuearosefromFPL'sconcernoveramaintenance
item.TheTurkeyPointproblemwasresolvedbytack-welding
thenuttight,andin1975FPLrequested
assurance
fromI-Rthatthisorsomeothersatisfactory
methodofsecuringthelocknutsforpumpstobesuppliedforSt.LucieUnit2wouldbeprovided.
Atthistimethepumpswerenotyet'manufac-
tured.Meareattaching
copiesofourcorrespondence
onthismatter,whichwerenotavailable
totheinspector,
whichwebelievewillfurtherclarifytheissue.Ouropiniononthesignificance
ofthisitemisthesameasthatforthefindingabove.Thisisaminoritem,pickedupbyFPL'snormalgAandpreventative
maintenance
programandisnon-reportable.
Further,adeficiency
eitherinfinaldesignorconstruction,
hasnotbeenidentified
withthepumpssuppliedforUnit2.Basedupontheabove,FPLmusttakeexception
tothefindingnotedbytheinspector.
FPLbelievesthatutilities
whichusetheexperiences
ofotherunitstouncoverandcorrectproblemsbeforetheydevelop,ashappenedintheseinstances,
shouldbecorenended,
andnotfoundtobeinblanketnon-compliance
withNRCreporting'procedures.
ShouldRIIdisagreewithourinterpretation
of"significant",
wesuggestthatfurtherdiscussion
toclarifytheissuemaybeappropriate.  
~.l  
~.l  
If~r.~.cu+Vta>m,NIMBI,SLORIDA3llOI~lFLORIDAPOWER5LIGHTCO:.IPAiVNovember21,1975EBASCOSERVICES,INC.TwoRectorStreetNewYork,NewYork10006Attention:/.COMBUSTIONENGINEERINGP0.Box500Qindsor,CT06095Mr.L.Tsar.ris,ProjectManagerAttention:Mr.A.S.Janeson,ProjectManager(ST-IVCIEPLANTUNIT81-1974-890KfINSTALIKTIONUNIT82-1979-890KlEKTENSIONST.I.VCIEUNITf/2PSL2LPSIANDCONTAIN-hTSPP4YPlM'SPILES:CE-950-0775ANDNY-422527FL0-566,FF-860Gentlemen:P.L'sTurkeyPointnuclearunitsweusepumpsforResidualHeatRemovalervicewhichareofthesamebrand(I-R)andsimilarindesigntoPSL2JZSI"ndcontain-entspraypcs.Duringdisassembly'oftheTurkey?ointpumpsforsealmaintenanceitvasooservedonmorethanoneoccassionthattneimpellerlocking"..-arse-blyhadworkedloose.F?Ltack-weldedtheloc::nutassembliestoprecludethepossibilityofloosening.Indica"fonsfromthelocalI-Rrepresentativearethattheimpellerlocknutassemo'estobeuseca:?SL2arethesameasthosefurnishedatTurkeyPoint.PleaseobtainassurancefromI-Rthattheyvillprovideloc'Inputssecured=ytack-weldingorsomeothersatisfactorymethod.Alsosincetherewasconsiderab~edifficulgexperiencedvithgasketleakageatTurkey?Oi=tpleaseobtainfromI-Rassurancethatwevillnothavethisproblema"S=.Lucie2.Yoursverytruly,RLS/m=b'eeAttachment~vC.S.KentProjectManager6XO~-r,b,h;~'3q4ibIg  
If~r.~.cu+Vta>m,NIMBI,SLORIDA3llOI~lFLORIDAPOWER5LIGHTCO:.IPAiV
M.'.Jameson0Ner21,1975RE:FLO-566,PF-860ccrcHraMr.Mr.Mr.Hr.Mr.Mr.Mr.Mr.Hr.Mr.Mr.Mr.Hr.Mr.Dr.Mr.Mr.Mr.C.B.AmosLouBorchardtG.E.CrowellR.A.DeLorenzoJ.D.DistelJ.H.Risher0.R.GrayK.N.HarrisR.W.KammannJ.L.LegierG.N.LemmonJ.E.RamondoW.H.Rogers,Jr.A.D.SchmditD.J.StephensR.E.UhrigJ.E.VesselyC.E.WaddellL.J.WeberN.T.Weems  
November21,1975EBASCOSERVICES,
'i-EPowerSystcins,,Combusr<onrngulcrrinrr,Inc.00Prosper.'rirlRoadsor.Ccnnccncut06095Tel203/063lgllTelex~JiJ2J7~pOVlf:-R~SYSTEMSApril6,1976L-CE-1328St.LuciePlantUnitNo.2-1978-890i'xtensionMr.C.S.KentEnrineeringProjectManagrFloridaPower&LightCo.P.O.Box3100Miami,Florida33101SUBJECT:LPSIPFG'SDearMr.Kent:FP&LletterFF-860ofi".ovenber21,1975advisedC-EthatyouhadexperiencedontheTurkeyPointplantlooseningoftheimpellerlocknutassemblyont.hoIncrsoll-RandresidualheatrcrovalpumpsandBasketleakage,andrequestedancefromtheanufacturerthatthesesameproblemswouldnotoccurwithnit2LPSIandcontainmentspraypu=ps.Vehavetakenuuthisr.".atterwithIngersoll-Pand,thesupplieroftheLPSI~,pumpsi;ltheC-Esco"=,andt.ley)laveresponddtotheconcernaboutthelnce-nut.assembl"(butnotthegasketlea'kageproblem);two(2)cop'esoftheIn"ersoll-Randletterof"..arch23,1976areattachedforyourin.ormation.iewill"obacktoInnersol-:=--..dtodetertinewhatremedytlreyproposetoelitlinate~~~nigasketI::ak-epob".:.,atyoulravei"cedontheTurkeyPointpumpsan:willle'o-''".owtheirresp=nsetothisotherconcernassoonaswereceiveit.Uerytrulyyours,ASJ/esEnclosurs(")CC:T.L.J.E.L.W.0~~~w/]D7'~-.i1R.S.".ntosuossoR=:"..senADDeLorenzoLcskovjanH.Roger,Jr.K.HarrisC.CrnwellC.W.DakinB.J.EscucJ.R.CindirR.W.KnmvinnnS.W."SrrablrryC.E.VnddellE.H.SrrrtrDP1~.leh)r';~~)~','.;(,'~"IsltI.I"'rot\"rlrArRvl~T'Ii':.r'.~gi~I'I~'.l~<Irr.ie:...r>>itsJ'>>:tl~r/&#x17d;z/A.S.JanesonProjectManagerF>.ar.co-e;va,er.T.crir-  
INC.TwoRectorStreetNewYork,NewYork10006Attention:
/.COMBUSTION
ENGINEERING
P0.Box500Qindsor,CT06095Mr.L.Tsar.ris,
ProjectManagerAttention:
Mr.A.S.Janeson,ProjectManager(ST-IVCIEPLANTUNIT81-1974-890KfINSTALIKTIONUNIT82-1979-890KlEKTENSION
ST.I.VCIEUNITf/2PSL2LPSIANDCONTAIN-hTSPP4YPlM'SPILES:CE-950-0775
ANDNY-422527
FL0-566,FF-860Gentlemen:
P.L'sTurkeyPointnuclearunitsweusepumpsforResidualHeatRemovalervicewhichareofthesamebrand(I-R)andsimilarindesigntoPSL2JZSI"ndcontain-ent
spraypcs.Duringdisassembly'of
theTurkey?ointpumpsforsealmaintenance
itvasooservedonmorethanoneoccassion
thattneimpellerlocking"..-arse-blyhadworkedloose.F?Ltack-welded
theloc::nutassemblies
toprecludethepossibility
ofloosening.
Indica"fons
fromthelocalI-Rrepresentative
arethattheimpellerlocknutassemo'estobeuseca:?SL2arethesameasthosefurnished
atTurkeyPoint.Pleaseobtainassurance
fromI-Rthattheyvillprovideloc'Inputs
secured=ytack-welding
orsomeothersatisfactory
method.Alsosincetherewasconsiderab~e
difficulg
experienced
vithgasketleakageatTurkey?Oi=t
pleaseobtainfromI-Rassurance
thatwevillnothavethisproblema"S=.Lucie2.Yoursverytruly,RLS/m=b'eeAttachment
~vC.S.KentProjectManager6XO~-r,b,h;~'3q4ibIg  
M.'.Jameson0Ner21,1975RE:FLO-566,PF-860ccrcHraMr.Mr.Mr.Hr.Mr.Mr.Mr.Mr.Hr.Mr.Mr.Mr.Hr.Mr.Dr.Mr.Mr.Mr.C.B.AmosLouBorchardt
G.E.CrowellR.A.DeLorenzo
J.D.DistelJ.H.Risher0.R.GrayK.N.HarrisR.W.KammannJ.L.LegierG.N.LemmonJ.E.RamondoW.H.Rogers,Jr.A.D.SchmditD.J.StephensR.E.UhrigJ.E.VesselyC.E.WaddellL.J.WeberN.T.Weems  
'i-EPowerSystcins,,Combusr<on
rngulcrrinrr,
Inc.00Prosper.'rirl
Roadsor.Ccnnccncut
06095Tel203/063lgllTelex~JiJ2J7~pOVlf:-R~SYSTEMSApril6,1976L-CE-1328
St.LuciePlantUnitNo.2-1978-890i'xtension
Mr.C.S.KentEnrineeringProjectManagrFloridaPower&LightCo.P.O.Box3100Miami,Florida33101SUBJECT:LPSIPFG'SDearMr.Kent:FP&LletterFF-860ofi".ovenber
21,1975advisedC-Ethatyouhadexperienced
ontheTurkeyPointplantloosening
oftheimpellerlocknutassemblyont.hoIncrsoll-Rand
residualheatrcrovalpumpsandBasketleakage,andrequested
ancefromtheanufacturer
thatthesesameproblemswouldnotoccurwithnit2LPSIandcontainment
spraypu=ps.Vehavetakenuuthisr.".atter
withIngersoll-Pand,
thesupplieroftheLPSI~,pumpsi;ltheC-Esco"=,andt.ley)laveresponddtotheconcernaboutthelnce-nut.assembl"(butnotthegasketlea'kageproblem);
two(2)cop'esoftheIn"ersoll-Rand
letterof"..arch23,1976areattachedforyourin.ormation.
iewill"obacktoInnersol-:=--..dtodetertinewhatremedytlreyproposetoelitlinate
~~~nigasketI::ak-epob".:.,atyoulravei"cedontheTurkeyPointpumpsan:willle'o-''".ow
theirresp=nsetothisotherconcernassoonaswereceiveit.Uerytrulyyours,ASJ/esEnclosurs(")CC:T.L.J.E.L.W.0~~~w/]D7'~-.i1R.S.".ntosuossoR=:"..senADDeLorenzo
Lcskovjan
H.Roger,Jr.K.HarrisC.CrnwellC.W.DakinB.J.EscucJ.R.CindirR.W.KnmvinnnS.W."SrrablrryC.E.VnddellE.H.SrrrtrDP1~.leh)r';~~)~','.;(,'~"IsltI.I"'rot\"rlrArRvl~T'Ii':.r'.~gi~I'I~'.l~<Irr.ie:...r>>itsJ'>>:tl~r/&#x17d;z/A.S.JanesonProjectManagerF>.ar.co-e;va,er.T.crir-  
0F  
0F  
Qt,'m~aD.aOH-I-.:km:~aDCCm~~~camvZZaft~san'PHILLLPSGURG,N.J.08bdSCombustionEngineering,Inc.IOOOProspectHillRoad)windsor,CT0609523MR76Attention:Mr.A.S.JamesonProjectllanagerSubject:FloridaPowerCLightSt.LucieUnitP2C.E.P.O.9500775LPSIPumpsI-RRef:OOI-35382Reference:(A)C.E.letterL-PCE-408datedl9DE75.entlemen:responsetoRef.(A)onshaft/impellerlockingnuts,I-Rnasin:esti-aatedseveraloccurrencesinwhichthelockingnutslo"senedandfnndthatthecauseswereeitherimproperinstallationafiermaintenanceoroperaio..oftheunitinwrongrotationwhi!cinstallingmtorlea"s.Toass'rethattheIo"kirgnutsareproperlyapplied,weareexpand!notheinst2IIa-:Ion/esse-."!yinsifutionstoclarifythisoprati"n.Inaddition,wearealsoinvestigatingoihermetho"sofpositivelylockirgthen.-stothes!.i-:toprevenloosning,Leanticip.tethaihism.thodwillDefinalizeintimeto"ei~pIementedonthepresentcontract.Ontheunitsinthe',.'-ICitisaccep.abletotackweldthetwonttstcge-,hea~e~i'heyarepro.-.e.-Jyinstaile"'.Properinstallationshouldbefotorquetheja-..nutintopla"ethenwhi!eholdingthejamnuttopre;antrotationtc"quathecap".tinoplace.'I'feapol"=i-=',orsuchala.eresponsebutasindicatedaBove,wewereun-awaren!a.-yseriousproblemspriortoyourletter.IftheP-"eanyqutions,pleasefeeIfrcctoconta"tthi",officnorourHartfor"~ranchofii..".C/2C/2r'eCom)ustIonEngineerIngAttn:lf.C.StnndinR.J.LandrigasI-Rllartford,C.Bricklcy(I)nnriant0hA~n(I)Very1rulyyourItiGERSOLL-Rh:<DCO'Ipi'.'!(~~/P7:'c~/tt.f.De.'tnrdoCamcronIluclearPun'ion  
Qt,'m~aD.aOH-I-.:km:~aD
l~4CC>>PYEBASCOSERVlCES.Its'Ol>OL+TCOFebruary3,1976SL-2-76-5wFile:HY-4R.P4p.sL-'/To?frCSKentEngineerirgPro)ectHnnagerFloridaPower6LightCompanyP0Box013100%hami,Florida33101ggcgLWvpstAgsl~1o)1',li~<gt>t~~Cuc'~<l..~~''gi',t&aL.Dear~frKent:STLUCREPLPZiT1979-890llil(c)E'T25ION-Uil?TNO.2CO.'O'All~i".i.SPiXKYPZfPSRe:'r.u".'-~~'I>~~ipgfiReference:PALLetterFLO-566datedNovember2,875PuruanttoyourrcauestwehavebeenadvisedbyIngersoll-Rand(intheirletterofJanuary23,1976,acopyattached)thatasaresultoftnemessrcsund=rtaknt'.".eproblemofloosenin"oftheImpellernutsandgasketleakageasexperiencedonRlBPumpsatTurkeyPointStationvillnotberepeatDonStLucieUnit>>o.2ContainmentSprayPumps.i)PresentlyI/?isinvestigatingtheuseofotherathodstoensurethattheI=p'erlocknutdoesnotloosenitself.However,asamini"umthelocknutswillbeshop-tackvelded.ii)aaeproblemofgaslwtleakagehasbeenresolvedbyutili"ingnnEPT'0'inginlieuofaflatfibervasherbetweentheshaftandshaftsleeve.I/Rhasalsogivenassurancethatanymodificationsmadeinfuturetoimprovthedsinofthesetypeofpumpsvillalsobeusedinthede-signo=StLuciciso.2ContainmentSprayPumps.  
CCm~~~camvZ
~,Q/Q<')ppCSKentEBASCOSERVlCES2Peb~ry31976SL-2-76-54Wehotheaboveinfo~tfongillanswerallyourquestions.Shouldeopebrua201976.youdesireanyfurtherclarfficatfonpleaseadvisebyFeruaryVerytrulyyours,PJSgeeney,JrChiefHechanical-HuclearEnginerrAttachmentXH:lhcc:4HRogers,Jx(2)BZYnrfgCBIcosADSchmidtHD1!ant"KHHarris0ElGrayP.ADLoren=oJF.VesselyGCrogellLBorchardtLVsa~frisDJStephensJCP~~ondoJDDi"telGNLeamonT0HathisenSupervisingEngineer~y!JPPt
Zaft~san'PHILLLPSGURG,
N.J.08bdSCombustion
Engineering,
Inc.IOOOProspectHillRoad)windsor,
CT0609523MR76Attention:
Mr.A.S.JamesonProjectllanagerSubject:FloridaPowerCLightSt.LucieUnitP2C.E.P.O.9500775LPSIPumpsI-RRef:OOI-35382
Reference:
(A)C.E.letterL-PCE-408
datedl9DE75.entlemen:
responsetoRef.(A)onshaft/impeller
lockingnuts,I-Rnasin:esti-aatedseveraloccurrences
inwhichthelockingnutslo"senedandfnndthatthecauseswereeitherimproperinstallation
afiermaintenance
oroperaio..oftheunitinwrongrotationwhi!cinstalling
mtorlea"s.Toass'rethattheIo"kirgnutsareproperlyapplied,weareexpand!no
theinst2IIa-:Ion/esse-."!y
insifutionstoclarifythisoprati"n.Inaddition,
wearealsoinvestigating
oihermetho"sofpositively
lockirgthen.-stothes!.i-:toprevenloosning,Leanticip.tethaihism.thodwillDefinalizeintimeto"ei~pIementedonthepresentcontract.
Ontheunitsinthe',.'-ICitisaccep.able
totackweldthetwonttstcge-,hea~e~i'heyarepro.-.e.-Jy
instaile"'.
Properinstallation
shouldbefotorquetheja-..nutintopla"ethenwhi!eholdingthejamnuttopre;antrotationtc"quathecap".tinoplace.'I'feapol"=i-=
',orsuchala.eresponsebutasindicated
aBove,wewereun-awaren!a.-yseriousproblemspriortoyourletter.IftheP-"eanyqutions,pleasefeeIfrcctoconta"tthi",officnorourHartfor"~ranchofii..".C/2C/2r'eCom)ustIonEngineerIngAttn:lf.C.StnndinR.J.Landrigas
I-Rllartford,
C.Bricklcy(I)nnriant0hA~n(I)Very1rulyyourItiGERSOLL-Rh:<D
CO'Ipi'.'!
(~~/P7:'c~/tt.f.De.'tnrdo
CamcronIluclearPun'ion  
l~4CC>>PYEBASCOSERVlCES.Its'Ol>OL+TCOFebruary3,1976SL-2-76-5w
File:HY-4R.P4p.sL-'/To?frCSKentEngineerirg
Pro)ectHnnagerFloridaPower6LightCompanyP0Box013100%hami,Florida33101ggcgLWvpstAgsl~1o)1',li~<gt>t~~Cuc'~<l..~~''gi',t&aL.
Dear~frKent:STLUCREPLPZiT1979-890llil(c)E'T25ION-Uil?TNO.2CO.'O'All~i"
.i.SPiXKYPZfPSRe:'r.u".'-~~'I
>~~ipgfiReference:
PALLetterFLO-566datedNovember2,875PuruanttoyourrcauestwehavebeenadvisedbyIngersoll-Rand
(intheirletterofJanuary23,1976,acopyattached)
thatasaresultoftnemessrcsund=rtaknt'.".eproblemofloosenin"
oftheImpellernutsandgasketleakageasexperienced
onRlBPumpsatTurkeyPointStationvillnotberepeatDonStLucieUnit>>o.2Containment
SprayPumps.i)Presently
I/?isinvestigating
theuseofotherathodstoensurethattheI=p'erlocknutdoesnotloosenitself.However,asamini"umthelocknutswillbeshop-tack
velded.ii)aaeproblemofgaslwtleakagehasbeenresolvedbyutili"ingnnEPT'0'inginlieuofaflatfibervasherbetweentheshaftandshaftsleeve.I/Rhasalsogivenassurance
thatanymodifications
madeinfuturetoimprovthedsinofthesetypeofpumpsvillalsobeusedinthede-signo=StLuciciso.2Containment
SprayPumps.  
~,Q/Q<')ppCSKentEBASCOSERVlCES2Peb~ry31976SL-2-76-54
Wehotheaboveinfo~tfon
gillanswerallyourquestions.
Shouldeopebrua201976.youdesireanyfurtherclarfficatfon
pleaseadvisebyFeruaryVerytrulyyours,PJSgeeney,JrChiefHechanical-Huclear
EnginerrAttachment
XH:lhcc:4HRogers,Jx(2)BZYnrfgCBIcosADSchmidtHD1!ant"KHHarris0ElGrayP.ADLoren=oJF.VesselyGCrogellLBorchardt
LVsa~frisDJStephensJCP~~ondoJDDi"telGNLeamonT0HathisenSupervising
Engineer~y!JPPt
}}
}}

Revision as of 18:32, 29 June 2018

Responds to NRC Ltr Re Violations Noted in IE Insp Rept 50-389/78-10.Corrective Actions:Presents Explanation of Problem W/Loose Impeller Locking Nut & Why Incident Was Not Reported to Nrc.W/Encl Correspondence Re Issue
ML17206A612
Person / Time
Site: Saint Lucie NextEra Energy icon.png
Issue date: 12/19/1978
From: UHRIG R E
FLORIDA POWER & LIGHT CO.
To: MURPHY C E
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML17206A611 List:
References
L-78-391, NUDOCS 7901180316
Download: ML17206A612 (13)


See also: IR 05000389/1978010

Text

P.O.IIOX013100,MIAMI.FL33101FLORIDAPOIlVERaLIGHTCO'".PA/.

~December19,1978L-78-391Mr.C.E.Murphy,ChiefReactorConstruction

andEngineering

SupportSranchU.S.NuclearRegulatory

Commission

101MariettaStreet,Suite3100Atlanta,Georgia30303DearMr.Murphy:Re:RII:RWW50-389/78-10

FloridaPower&LightCompanyhasreviewedthesubjectinspection

reportanditsresponseiscontained

inAttachment

A.Thereisnoproprietary

information

con-tainedinthereport.Verytrulyyours,~gjg.>>cRobertE.UhrigVicePresident

REU:LLL:cf

Attachment

cc:Mr.JamesP.O'ReillyOfficeofInspection

andEnforcement

HaroldF.Reis,Esquire

1I

ATTACHMENT

ARESPONSETORII:RWW,50-389/78-10

Findin1:2InchTaretRockSafetInectionValveDeficienc

TheRIIinspector

notedthatbothCEandtheRIIhadinformedFPLofanexcessive

pressuredropwiththesubjectvalves,andthatFPLappearedtoincorrectly

evaluatetheincidentasnon-reportable,

contrarytoCE'sconclusion

thatitindeedwasreportable

under10CFR50.55(e).

~Resonse:Mewishtonotethat10CFR50.55(e)clearlystatesthattheholderoftheconstruction

permitisresponsible

forthedetermination

ofwhetheraconstruction

incidentisreportable,

andnottheNSSSvendor.FPLhasusedtheassistance

ofanumberofparties,including

CE,initsdetermin-

ationofthereportability

ofthisitem,butbynomeansdoestheopinionofanoutsideorganization

bindustoitsconclusion.

Itappearsthatthemajordifference

betweenRIIandFPL,regarding

thereportability

ofthisitem,liesintheinterpretation

ofthephrasein1050050.55(5(11(,"~iifl5fl11fl1dfg."(5dladded.)FPL'sreviewofthisproblemconcluded

thattheissuewasavalidsafety-related

defect,butnotasignificant

one;therefore,

noreporting

wasrequired.

Thisjudgement

isbasedonthefactthat(1)thevalveswerenottobeinstalled

forsometime,

(2)theproblemwasidentified

throughnormalgAchannels(viaCE),and(3)therepairwasminorandeasilyperformed

withoutextensive

evaluation

orredesign.

Basedupontheabove,FPLmusttakeexception

tothefindingsnotedbytheinspector.

ItisFPL'sopinionthatproblemssuchastheabove,identified

andresolvedthroughroutinechannels,

arenormalrepairitemstypically

encountered

onaconstruction

site.Duetothefactthatsafety-related

equipment

wasinvolved,

FPLinvokedtheevaluation

procedures

andmaintained

recordsoftheresolution

toensureproperhandlingoftheissueandcompliance

withtheappropriate

gAprocedures.

f>(f~pj>

TTACHt<ENT

A-RESPONSETORII:RWW,50-389/78-10

Page2Findin2:Inersol1-RandI-RLowPressureSafetLPSIandContainment

SraPumCSPOeficienc

TheRIIinspector

notedthatFPLknewofaproblemwithanimpellerlockingnutassemblyworkinglooseatoneofitsotherplants(TurkeyPoint)inNovember1975andwasinformedbyRIIonAugust23,1978ofthepotential

deficiency

aswell.-Theinspector

furtherstatesthatdespite"knowledge

ofthispotential

significant

deficiency

infinaldesign"FPLfailedtoreportthemattertotheNRCinaccord-ancewith10CFR50.55(e).

~ll2:ThisissuearosefromFPL'sconcernoveramaintenance

item.TheTurkeyPointproblemwasresolvedbytack-welding

thenuttight,andin1975FPLrequested

assurance

fromI-Rthatthisorsomeothersatisfactory

methodofsecuringthelocknutsforpumpstobesuppliedforSt.LucieUnit2wouldbeprovided.

Atthistimethepumpswerenotyet'manufac-

tured.Meareattaching

copiesofourcorrespondence

onthismatter,whichwerenotavailable

totheinspector,

whichwebelievewillfurtherclarifytheissue.Ouropiniononthesignificance

ofthisitemisthesameasthatforthefindingabove.Thisisaminoritem,pickedupbyFPL'snormalgAandpreventative

maintenance

programandisnon-reportable.

Further,adeficiency

eitherinfinaldesignorconstruction,

hasnotbeenidentified

withthepumpssuppliedforUnit2.Basedupontheabove,FPLmusttakeexception

tothefindingnotedbytheinspector.

FPLbelievesthatutilities

whichusetheexperiences

ofotherunitstouncoverandcorrectproblemsbeforetheydevelop,ashappenedintheseinstances,

shouldbecorenended,

andnotfoundtobeinblanketnon-compliance

withNRCreporting'procedures.

ShouldRIIdisagreewithourinterpretation

of"significant",

wesuggestthatfurtherdiscussion

toclarifytheissuemaybeappropriate.

~.l

If~r.~.cu+Vta>m,NIMBI,SLORIDA3llOI~lFLORIDAPOWER5LIGHTCO:.IPAiV

November21,1975EBASCOSERVICES,

INC.TwoRectorStreetNewYork,NewYork10006Attention:

/.COMBUSTION

ENGINEERING

P0.Box500Qindsor,CT06095Mr.L.Tsar.ris,

ProjectManagerAttention:

Mr.A.S.Janeson,ProjectManager(ST-IVCIEPLANTUNIT81-1974-890KfINSTALIKTIONUNIT82-1979-890KlEKTENSION

ST.I.VCIEUNITf/2PSL2LPSIANDCONTAIN-hTSPP4YPlM'SPILES:CE-950-0775

ANDNY-422527

FL0-566,FF-860Gentlemen:

P.L'sTurkeyPointnuclearunitsweusepumpsforResidualHeatRemovalervicewhichareofthesamebrand(I-R)andsimilarindesigntoPSL2JZSI"ndcontain-ent

spraypcs.Duringdisassembly'of

theTurkey?ointpumpsforsealmaintenance

itvasooservedonmorethanoneoccassion

thattneimpellerlocking"..-arse-blyhadworkedloose.F?Ltack-welded

theloc::nutassemblies

toprecludethepossibility

ofloosening.

Indica"fons

fromthelocalI-Rrepresentative

arethattheimpellerlocknutassemo'estobeuseca:?SL2arethesameasthosefurnished

atTurkeyPoint.Pleaseobtainassurance

fromI-Rthattheyvillprovideloc'Inputs

secured=ytack-welding

orsomeothersatisfactory

method.Alsosincetherewasconsiderab~e

difficulg

experienced

vithgasketleakageatTurkey?Oi=t

pleaseobtainfromI-Rassurance

thatwevillnothavethisproblema"S=.Lucie2.Yoursverytruly,RLS/m=b'eeAttachment

~vC.S.KentProjectManager6XO~-r,b,h;~'3q4ibIg

M.'.Jameson0Ner21,1975RE:FLO-566,PF-860ccrcHraMr.Mr.Mr.Hr.Mr.Mr.Mr.Mr.Hr.Mr.Mr.Mr.Hr.Mr.Dr.Mr.Mr.Mr.C.B.AmosLouBorchardt

G.E.CrowellR.A.DeLorenzo

J.D.DistelJ.H.Risher0.R.GrayK.N.HarrisR.W.KammannJ.L.LegierG.N.LemmonJ.E.RamondoW.H.Rogers,Jr.A.D.SchmditD.J.StephensR.E.UhrigJ.E.VesselyC.E.WaddellL.J.WeberN.T.Weems

'i-EPowerSystcins,,Combusr<on

rngulcrrinrr,

Inc.00Prosper.'rirl

Roadsor.Ccnnccncut

06095Tel203/063lgllTelex~JiJ2J7~pOVlf:-R~SYSTEMSApril6,1976L-CE-1328

St.LuciePlantUnitNo.2-1978-890i'xtension

Mr.C.S.KentEnrineeringProjectManagrFloridaPower&LightCo.P.O.Box3100Miami,Florida33101SUBJECT:LPSIPFG'SDearMr.Kent:FP&LletterFF-860ofi".ovenber

21,1975advisedC-Ethatyouhadexperienced

ontheTurkeyPointplantloosening

oftheimpellerlocknutassemblyont.hoIncrsoll-Rand

residualheatrcrovalpumpsandBasketleakage,andrequested

ancefromtheanufacturer

thatthesesameproblemswouldnotoccurwithnit2LPSIandcontainment

spraypu=ps.Vehavetakenuuthisr.".atter

withIngersoll-Pand,

thesupplieroftheLPSI~,pumpsi;ltheC-Esco"=,andt.ley)laveresponddtotheconcernaboutthelnce-nut.assembl"(butnotthegasketlea'kageproblem);

two(2)cop'esoftheIn"ersoll-Rand

letterof"..arch23,1976areattachedforyourin.ormation.

iewill"obacktoInnersol-:=--..dtodetertinewhatremedytlreyproposetoelitlinate

~~~nigasketI::ak-epob".:.,atyoulravei"cedontheTurkeyPointpumpsan:willle'o-".ow

theirresp=nsetothisotherconcernassoonaswereceiveit.Uerytrulyyours,ASJ/esEnclosurs(")CC:T.L.J.E.L.W.0~~~w/]D7'~-.i1R.S.".ntosuossoR=:"..senADDeLorenzo

Lcskovjan

H.Roger,Jr.K.HarrisC.CrnwellC.W.DakinB.J.EscucJ.R.CindirR.W.KnmvinnnS.W."SrrablrryC.E.VnddellE.H.SrrrtrDP1~.leh)r';~~)~','.;(,'~"IsltI.I"'rot\"rlrArRvl~T'Ii':.r'.~gi~I'I~'.l~<Irr.ie:...r>>itsJ'>>:tl~r/Žz/A.S.JanesonProjectManagerF>.ar.co-e;va,er.T.crir-

0F

Qt,'m~aD.aOH-I-.:km:~aD

CCm~~~camvZ

Zaft~san'PHILLLPSGURG,

N.J.08bdSCombustion

Engineering,

Inc.IOOOProspectHillRoad)windsor,

CT0609523MR76Attention:

Mr.A.S.JamesonProjectllanagerSubject:FloridaPowerCLightSt.LucieUnitP2C.E.P.O.9500775LPSIPumpsI-RRef:OOI-35382

Reference:

(A)C.E.letterL-PCE-408

datedl9DE75.entlemen:

responsetoRef.(A)onshaft/impeller

lockingnuts,I-Rnasin:esti-aatedseveraloccurrences

inwhichthelockingnutslo"senedandfnndthatthecauseswereeitherimproperinstallation

afiermaintenance

oroperaio..oftheunitinwrongrotationwhi!cinstalling

mtorlea"s.Toass'rethattheIo"kirgnutsareproperlyapplied,weareexpand!no

theinst2IIa-:Ion/esse-."!y

insifutionstoclarifythisoprati"n.Inaddition,

wearealsoinvestigating

oihermetho"sofpositively

lockirgthen.-stothes!.i-:toprevenloosning,Leanticip.tethaihism.thodwillDefinalizeintimeto"ei~pIementedonthepresentcontract.

Ontheunitsinthe',.'-ICitisaccep.able

totackweldthetwonttstcge-,hea~e~i'heyarepro.-.e.-Jy

instaile"'.

Properinstallation

shouldbefotorquetheja-..nutintopla"ethenwhi!eholdingthejamnuttopre;antrotationtc"quathecap".tinoplace.'I'feapol"=i-=

',orsuchala.eresponsebutasindicated

aBove,wewereun-awaren!a.-yseriousproblemspriortoyourletter.IftheP-"eanyqutions,pleasefeeIfrcctoconta"tthi",officnorourHartfor"~ranchofii..".C/2C/2r'eCom)ustIonEngineerIngAttn:lf.C.StnndinR.J.Landrigas

I-Rllartford,

C.Bricklcy(I)nnriant0hA~n(I)Very1rulyyourItiGERSOLL-Rh:<D

CO'Ipi'.'!

(~~/P7:'c~/tt.f.De.'tnrdo

CamcronIluclearPun'ion

l~4CC>>PYEBASCOSERVlCES.Its'Ol>OL+TCOFebruary3,1976SL-2-76-5w

File:HY-4R.P4p.sL-'/To?frCSKentEngineerirg

Pro)ectHnnagerFloridaPower6LightCompanyP0Box013100%hami,Florida33101ggcgLWvpstAgsl~1o)1',li~<gt>t~~Cuc'~<l..~~gi',t&aL.

Dear~frKent:STLUCREPLPZiT1979-890llil(c)E'T25ION-Uil?TNO.2CO.'O'All~i"

.i.SPiXKYPZfPSRe:'r.u".'-~~'I

>~~ipgfiReference:

PALLetterFLO-566datedNovember2,875PuruanttoyourrcauestwehavebeenadvisedbyIngersoll-Rand

(intheirletterofJanuary23,1976,acopyattached)

thatasaresultoftnemessrcsund=rtaknt'.".eproblemofloosenin"

oftheImpellernutsandgasketleakageasexperienced

onRlBPumpsatTurkeyPointStationvillnotberepeatDonStLucieUnit>>o.2Containment

SprayPumps.i)Presently

I/?isinvestigating

theuseofotherathodstoensurethattheI=p'erlocknutdoesnotloosenitself.However,asamini"umthelocknutswillbeshop-tack

velded.ii)aaeproblemofgaslwtleakagehasbeenresolvedbyutili"ingnnEPT'0'inginlieuofaflatfibervasherbetweentheshaftandshaftsleeve.I/Rhasalsogivenassurance

thatanymodifications

madeinfuturetoimprovthedsinofthesetypeofpumpsvillalsobeusedinthede-signo=StLuciciso.2Containment

SprayPumps.

~,Q/Q<')ppCSKentEBASCOSERVlCES2Peb~ry31976SL-2-76-54

Wehotheaboveinfo~tfon

gillanswerallyourquestions.

Shouldeopebrua201976.youdesireanyfurtherclarfficatfon

pleaseadvisebyFeruaryVerytrulyyours,PJSgeeney,JrChiefHechanical-Huclear

EnginerrAttachment

XH:lhcc:4HRogers,Jx(2)BZYnrfgCBIcosADSchmidtHD1!ant"KHHarris0ElGrayP.ADLoren=oJF.VesselyGCrogellLBorchardt

LVsa~frisDJStephensJCP~~ondoJDDi"telGNLeamonT0HathisenSupervising

Engineer~y!JPPt