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{{#Wiki_filter:rrREGULATORYORMATIONDISTRIBUTIONSM(RIDS)AOCBSSI'ONNBR8306210160DOC~DATE!83/06/17NOTARIZED~NOFAOIL:5038%St.''LuciePlanti.Unilt2<FloridaPowerLLightCo+AUTH~NAMEAUTHORAFFILIATIONUHRIGiRiE,FloridaPower3LightCo,RECIP,NAMERECIPIENTAFFILIATIONEISENHUTiD~G.DivisionofLicensing
{{#Wiki_filter:rrREGULATORY ORMATIONDISTRIBUTION SM(RIDS)AOCBSSI'ON NBR8306210160DOC~DATE!83/06/17NOTARIZED~NOFAOIL:5038%St.''Lucie Planti.Unilt2<FloridaPowerLLightCo+AUTH~NAMEAUTHORAFFILIATION UHRIGiRiE, FloridaPower3LightCo,RECIP,NAMERECIPIENT AFFILIATION EISENHUTiD
~G.DivisionofLicensing


==SUBJECT:==
==SUBJECT:==
ApplicationtoamendLicenseNPF16revisingTechSpecrequirementforprimaryLsecondarycoolantsinsteamgeneratortobegreaterthan100Fwhencoolantpressuregreaterthan200psig,SERencl.DISTRIBUTION"CODE!8001SCOPIESRECEIVED:LTRENCl'SIZE,-TITLE:Licensing"Submittal:PSAR/FSARAmdts8RelatedCorrespondenceNOTES:DOCKET&#xb9;05000389RECIPIENTIDCODE/NAMEA/0LICENSNGLICBR&#xb9;3LAINTERNAloElD/HDS2IE/DEPER/KPB36IE/DEQA/QAB21NRR/DE/CKB11NRR/DE/EQB13NRR/DE/MEB18NRR/DE/SAB2ANRR/DE/SGEB30NRR/DHFS/LQB32NRR/DL/SSPBNRR/DSI/ASBNRR/DSI/CS809NRR/DSI/METB12NRRDAB22IOQI/MIBEXTERNAL:ACRS01DMB/DSS(AMDTS)LPDR03NSIC05COPIESLTTRENCL1010103j.11122111111110111111111106-6111111RECIPIENTIDCODE/NAMELICBR&#xb9;3BCNERSESiV~01IEFILEIE/DEPER/IRB35NRR/DE/AEABNRR/DF/EHEBNRR/DE/GB28NRR/DE/MTEB17NRR/DE/SGEB25NRR/DHFS/HFEB40NRR/DHFS/PSRBNRR/DSI/AEB26NRR/DSI/CPB10NRR/DSI/ICSB16NRR/DSI/PSB19NRR/DSI/RSB23RGN2BNL(AMDT'SONLY)FEMA~REPDIV"39NRCPDR02NTISCOPIESL'TTRENCL101111111011221111111111111111133'TOTALNUMBEROFCOPIESREQUIRED+LTTR54ENCl07  
Application toamendLicenseNPF16revisingTechSpecrequirement forprimaryLsecondary coolantsinsteamgenerator tobegreaterthan100Fwhencoolantpressuregreaterthan200psig,SERencl.DISTRIBUTION "CODE!8001SCOPIESRECEIVED:LTR ENCl'SIZE,-TITLE:Licensing "Submittal:
>>nhrM<<MM'I,,y.I)J'erf')))h14~Ir<<l>lllI'>>f)M''fI"I')!'l)tf,<<)4rrh]fIfI$..M,,pl-ME,IIIMfr>>>g>)M>fIgg<<Mn>>fe1fhhepilh'n~X'Mi!I,Ir~hi'lli,~Ill)>>1~1>~f>>>>nii>)nrl>>1wm>>a:i3n)fMPILHMQrrfr''Q'>'1>L~Mhli'li~iiI>>')I'Mn'MenI4'Ml))Mi}i7'If'MM'1'1.'Ij(~I)<11<I,.l."<<Ir,4''LO"1)I'IfhI>}'I'e"It>>if4')"IM)III>>>'II'e)>i4')'II>fJIM)fIEg4hh>>1Ieil>>>4ni,'9>>'",llhlli<<InMifflfMI)lf,iillrf>ChefIn,I;''x1Iir,hfIIilIIriI'li<<>>ifknbI),II,M-IIrIIIfrf'hN~IflftA>>',,r'hhfI>4f><<'f,'nlk4IhhIiiI,,lf>>'ili'MM,fii))MMhn>Iflfif>,r"ltgg1Ihf<<Ii>>'IIMIII~i<<IIIl.f"h,lM.e',
PSAR/FSAR Amdts8RelatedCorrespondence NOTES:DOCKET&#xb9;05000389RECIPIENT IDCODE/NAME A/0LICENSNGLICBR&#xb9;3LAINTERNAloElD/HDS2IE/DEPER/KPB 36IE/DEQA/QAB 21NRR/DE/CKB 11NRR/DE/EQB 13NRR/DE/MEB 18NRR/DE/SAB 2ANRR/DE/SGEB 30NRR/DHFS/LQB 32NRR/DL/SSPB NRR/DSI/ASBNRR/DSI/CS8 09NRR/DSI/METB 12NRRDAB22IOQI/MIBEXTERNAL:
OX14000,JUNOBEACH,FL33408FLORIDAPOWER&LIGHTCOMPANYJunel7,l983L-83-349OfficeofNuclearReactorRegulation*Attention:Mr.DarrellG.Eisenhut,DirectorDivisionofLicensing.U.S.NuclearRegulatoryCommissionWashington,D.C.20555
ACRS01DMB/DSS(AMDTS)LPDR03NSIC05COPIESLTTRENCL1010103j.11122111111110111111111106-6111111RECIPIENT IDCODE/NAME LICBR&#xb9;3BCNERSESiV~01IEFILEIE/DEPER/IRB 35NRR/DE/AEAB NRR/DF/EHEB NRR/DE/GB 28NRR/DE/MTEB 17NRR/DE/SGEB 25NRR/DHFS/HFEB40 NRR/DHFS/PSRB NRR/DSI/AEB26NRR/DSI/CPB 10NRR/DSI/ICSB16NRR/DSI/PSB19NRR/DSI/RSB 23RGN2BNL(AMDT'S ONLY)FEMA~REPDIV"39NRCPDR02NTISCOPIESL'TTRENCL101111111011221111111111111111133'TOTALNUMBEROFCOPIESREQUIRED+
LTTR54ENCl07  
>>nhrM<<MM'I,,y.I)J'erf')))h14~Ir<<l>lllI'>>f)M''fI"I')!'l)tf,<<)4rrh]fIfI$..M,,pl-ME,I IIMfr>>>g>)M>fIgg<<Mn>>fe1fhhepilh'n~X'Mi!I,Ir~hi'lli,~Ill)>>1~1>~f>>>>nii>)nrl>>1wm>>a:i3n)fMPILHMQrrfr''Q'>'1>L~Mhli'li~iiI>>')I'Mn'MenI4'Ml))Mi}i7'If'MM'1'1.'Ij(~I)<11<I,.l."<<Ir,4''LO"1)I'IfhI>}'I'e"It>>if4')"IM)III>>>'II'e)>i4')'II>fJIM)fIEg4hh>>1Ieil>>>4ni,'9>>'",llhlli<<InMifflfMI)lf,iillrf>ChefIn,I;''x1Iir,hfIIilIIriI'li<<>>ifknbI),II,M-IIrIIIfrf'hN~IflftA>>',,r'hhfI>4f><<'f,'nlk4IhhIiiI,,lf>>'ili'MM,fii))MMhn>Iflfif>,r"ltgg1Ihf<<Ii>>'IIMIII~i<<IIIl.f"h,lM.e',
OX14000,JUNOBEACH,FL33408FLORIDAPOWER&LIGHTCOMPANYJunel7,l983L-83-349OfficeofNuclearReactorRegulation
*Attention:
Mr.DarrellG.Eisenhut, DirectorDivisionofLicensing
.U.S.NuclearRegulatory Commission Washington, D.C.20555


==DearMr.Eisenhut:==
==DearMr.Eisenhut:==
Re:St.LucieUnitNo.2~DocketNo.50-389ProposedLicenseAmendmentSteamGeneratorPressure/TemperatureLimitationandAdministrative/EditorialchanesInaccordancewithIOCFR50.90,FloridaPower&LightCompanysubmitsherewiththreesignedoriginalsandfortycopiesofarequesttoamendAppendixAofFacilityOperatingLicenseNPF-I6.Thisamendmentissubmittedtorevisetherequirementforbothprimaryandsecondary-coolantsinthesteamgeneratortobegreaterthanIOOOFwhenthepressureineithercoolantisgreater.than200psig.Thischangeisnecessarytoallowheatupoftheprimarycoolantw'ithfheReactorCoolantPumps.ThischangeisarevisiontothelikechangesubmittedaspartofFPLletterL-83-248dated.April20,l983,andtherefore,supercedesthatpartoftheApril20thsubmittal.Thisamendmentisalsosubmittedto.makeseveraladministrative/editorialchanges.ThesechangeshavebeenidentifiedasaresultofcontinuingreviewoftheTechnicalSpecificationsbybothNRCandFPL.TheproposedamendmentisdescribedbelowandshownontheaccompanyingTechnicalSpecificationpages.~P3/3A-1Inthefootnote,delete"and3.I0.6".ThereisnoSpecialTestException3.I0.6.~33/33-13Changethe"5.6"andthe"5.35"inSpecification4.7.I.6b.to"4.2".Pae3/47-I2ReviseSpecification.3.7.2toapplyonlytothesecondarycoolantinthesteamgenerator.Also,changethe"275"inSpecifications3.7.2,3.7.2a.and4.7.2to"200".Pae3/47-30Changethe"3.7.II.4and3.7.II.5"inSpecification3.7.II.Ic.to3.7.Il.4"."3.7.11.3andIlPEOPLE...SERVINGPEOPLE Page2OfficeofNuclearReactorRegulationMr.DarrellG.Eisenhut,DirectoriPaeB3/47-4Changethe>>275>>to>>2QQ>>andthe>>3Q>>to>>20>>jnBASES3/472Pacae6-20Deletethewords"firsthalfyear"inthefirstlineofthedouble-asteriskfootnote.InaccordancewithI0CFR50.9I(b)(l),acopyofthisproposedlicenseamendmentisbeingforwardedtotheStateDesigneefortheStateofFlorida.InaccordancewithIOCFR50.9I(a)(I),wehavedeterminedthatthisamendmentdoesnotinvolveanysignificanthazardsconsiderationspursuanttoIOCFR50.9I(c)inthattheamendmentisadministrativeinnatureandthereforedoesnot:I)'nvolveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated;or2)createthepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated;or3)involveasignificantreductioninamarginorsafety.*el~~ITheproposedamendmenthasbeenreviewedbytheSt.LucieFacilityReviewCroupandtheFloridaPower&LightCompariyNuclearReviewBoard.Inthatthisamendmentisadministrativeinnature,ithasbeendeterminedtobeaClassIIamendment,inaccordancewithIOCFRI70.22.Acheckforpl,200.00willfollowshortIy.Verytrulyyours,RobertE.UhrigVicePresidentAdvancedSystems&TechnologyREU/RJS/cabAttachmentscc:J.P.O'Reilly,RegionIIHaroldF.Reis,EsquireUlrayClark,AdministratorRadiologicalHealthServicesDepartmentofHealthandRehabilitativeServicesI323WinewoodBoulevardTallahassee,Florida3230I Pae3/44-ISAFETYEVALUATlON,Thischangeisadministrative/editorial,andthereforeofnosafetyconcern.P~3/47-14Thischangeisadministrative/editorial(theactualvalveclosuretimeis4.2seconds,not5.6secondsor5.35seconds),andthereforeofnosafetyconern.Pae3/47-I2andB3/47-4LimitingConditionforOperation3.7.2forTechnicalSpecification3/4.7.2requiresthatthetemperaturesofbothprimaryandsecondarycoolantsinthesteamgeneratorsshallbegreaterthanl00oFwhenthepressureofeithercoolantinthesteamgeneratorisgreaterthan275psig.OurNSSSvendorhasindicatedthatthe275psiglimitisincorrectandshouldbe200psig.Furthermore,ourstartupprocedurescallforinitialheatingoftheprimarycoolanttobeperformedutilizingpumpheatfromthereactorcoolantpumps(RCP).However,thepumpcurvereceivedfromthevendorindicatesthatoperationoftheRCPswithintheseprimarycoolantsystempressurelimitswillcausereductioninlifeoftheRCPseals.Sincethetemperatureofthesecondarycoolantinthesteamgeneratorisatambient,about80to90oF,thisTechnicalSpecificationwouldprecludetheuseofRCPstoheatuptheprimarycoolantwithoutreducingseallife.\44~ThebasesforthisTechnicalSpecificationisthatbyplacinglimitsonthepressureand',temperatureofboth;theprimaryandsecondarycoolants,thepressureinducedstressesinthesteamgeneratorsdonotexceedthemaximumallowablefracturetoughnessstresslimits.ThecurrentlimitsarebasedonasteamgeneratorRTNDTof20oF.However,TechnicalSpecification3/4.4.9alsocontainspressureandtemperaturelimitationsforthereactorcoolantsystem(RCS).ThebasesfortheselimitsisthesameasthatforTechnicalSpecification3/4.7.2,i.e.,toensurethatthemaximumpressureinducedstressesdonotexceedthemaximumallowablefracturetoughnessstresslimitsfortheRCSpressureretainingcomponents.Bases3/4.4.9statesthatthesecurvesweredevelopedassumingthemaximumRTNDTforallRCSpressure-retainingmaterials,withtheexceptionofthereactorpressurevessel,of50oF.Therefore,thepressure/temperaturecurvesforTechnicalSpecification3/44.9areappropriateforusefortheprimarycoolantinthesteamgeneratoraswell,sincetheyarebasedonamoreconservativebasis(higherRTNDT)thanthoseinTechnicalSpecification3/4.7.2.ThepressuretemperaturelimitsinTechnicalSpecification3/4.7.2areclearlymoreconservativeandrestrictivethanrequired.DuetothepotentialproblemsoftheRCPsealsbeingoperatedatthelowpressurecurrentlyrequired,theexistinglimitsof3/4.7.2maycausethesystemtobeoperatedinaconditionlesssafethandesired.Basedontheabove,itisourdeterminationthatremovalofthepressuretemperaturelimitsfortheprimarycoolantfromTechnicalSpecification3/4.7.2doesnotposearisktohealthandsafetyofthepublic.ThisisduetothefactthatthesecondarypressureboundaryremainsprotectedbythisTechnical'pecificationandthattheprimarypressureboundaryisprotectedby'echnicalSpecification~3/4.4.9.OurNSSSvendorconcu'rswiththisconclusion.
 
SAFETYEVALUATION(continued)Pae3/47-30Thschangeisadministrative/editorial,andthereforeofnosafetyconcern.Pacee6-20Thischangeisadministrative/editorial,andthereforeofnosafetyconcern.}}
Re:St.LucieUnitNo.2~DocketNo.50-389ProposedLicenseAmendment SteamGenerator Pressure/Temperature Limitation andAdministrative/Editorial chanesInaccordance withIOCFR50.90,FloridaPower&LightCompanysubmitsherewiththreesignedoriginals andfortycopiesofarequesttoamendAppendixAofFacilityOperating LicenseNPF-I6.Thisamendment issubmitted torevisetherequirement forbothprimaryandsecondary
-coolants inthesteamgenerator tobegreaterthanIOOOFwhenthepressureineithercoolantisgreater.than200psig.Thischangeisnecessary toallowheatupoftheprimarycoolantw'ithfheReactorCoolantPumps.Thischangeisarevisiontothelikechangesubmitted aspartofFPLletterL-83-248dated.April20,l983,andtherefore, supercedes thatpartoftheApril20thsubmittal.
Thisamendment isalsosubmitted to.makeseveraladministrative/editorial changes.Thesechangeshavebeenidentified asaresultofcontinuing reviewoftheTechnical Specifications bybothNRCandFPL.Theproposedamendment isdescribed belowandshownontheaccompanying Technical Specificationpages.~P3/3A-1Inthefootnote, delete"and3.I0.6".ThereisnoSpecialTestException 3.I0.6.~33/33-13Changethe"5.6"andthe"5.35"inSpecification 4.7.I.6b.to"4.2".Pae3/47-I2ReviseSpecification.3.7.2 toapplyonlytothesecondary coolantinthesteamgenerator.
Also,changethe"275"inSpecifications 3.7.2,3.7.2a.and4.7.2to"200".Pae3/47-30Changethe"3.7.II.4and3.7.II.5"inSpecification 3.7.II.Ic.to3.7.Il.4"."3.7.11.3 andIlPEOPLE...
SERVINGPEOPLE Page2OfficeofNuclearReactorRegulation Mr.DarrellG.Eisenhut, DirectoriPaeB3/47-4Changethe>>275>>to>>2QQ>>andthe>>3Q>>to>>20>>jnBASES3/472Pacae6-20Deletethewords"firsthalfyear"inthefirstlineofthedouble-asteriskfootnote.
Inaccordance withI0CFR50.9I(b)(l),
acopyofthisproposedlicenseamendment isbeingforwarded totheStateDesigneefortheStateofFlorida.Inaccordance withIOCFR50.9I(a)(I),
wehavedetermined thatthisamendment doesnotinvolveanysignificant hazardsconsiderations pursuanttoIOCFR50.9I(c)inthattheamendment isadministrative innatureandtherefore doesnot:I)'nvolveasignificant increaseintheprobability orconsequences ofanaccidentpreviously evaluated; or2)createthepossibility ofanewordifferent kindofaccidentfromanyaccidentpreviously evaluated; or3)involveasignificant reduction inamarginorsafety.*el~~ITheproposedamendment hasbeenreviewedbytheSt.LucieFacilityReviewCroupandtheFloridaPower&LightCompariyNuclearReviewBoard.Inthatthisamendment isadministrative innature,ithasbeendetermined tobeaClassIIamendment, inaccordance withIOCFRI70.22.Acheckforpl,200.00 willfollowshortIy.Verytrulyyours,RobertE.UhrigVicePresident AdvancedSystems&Technology REU/RJS/cabAttachments cc:J.P.O'Reilly, RegionIIHaroldF.Reis,EsquireUlrayClark,Administrator Radiological HealthServicesDepartment ofHealthandRehabilitative ServicesI323WinewoodBoulevard Tallahassee, Florida3230I Pae3/44-ISAFETYEVALUATlON, Thischangeisadministrative/editorial, andtherefore ofnosafetyconcern.P~3/47-14Thischangeisadministrative/editorial (theactualvalveclosuretimeis4.2seconds,not5.6secondsor5.35seconds),
andtherefore ofnosafetyconern.Pae3/47-I2andB3/47-4LimitingCondition forOperation 3.7.2forTechnical Specification 3/4.7.2requiresthatthetemperatures ofbothprimaryandsecondary coolantsinthesteamgenerators shallbegreaterthanl00oFwhenthepressureofeithercoolantinthesteamgenerator isgreaterthan275psig.OurNSSSvendorhasindicated thatthe275psiglimitisincorrect andshouldbe200psig.Furthermore, ourstartupprocedures callforinitialheatingoftheprimarycoolanttobeperformed utilizing pumpheatfromthereactorcoolantpumps(RCP).However,thepumpcurvereceivedfromthevendorindicates thatoperation oftheRCPswithintheseprimarycoolantsystempressurelimitswillcausereduction inlifeoftheRCPseals.Sincethetemperature ofthesecondary coolantinthesteamgenerator isatambient,about80to90oF,thisTechnical Specification wouldprecludetheuseofRCPstoheatuptheprimarycoolantwithoutreducingseallife.\44~ThebasesforthisTechnical Specification isthatbyplacinglimitsonthepressureand',temperature ofboth;theprimaryandsecondary
: coolants, thepressureinducedstressesinthesteamgenerators donotexceedthemaximumallowable fracturetoughness stresslimits.Thecurrentlimitsarebasedonasteamgenerator RTNDTof20oF.However,Technical Specification 3/4.4.9alsocontainspressureandtemperature limitations forthereactorcoolantsystem(RCS).ThebasesfortheselimitsisthesameasthatforTechnical Specification 3/4.7.2,i.e.,toensurethatthemaximumpressureinducedstressesdonotexceedthemaximumallowable fracturetoughness stresslimitsfortheRCSpressureretaining components.
Bases3/4.4.9statesthatthesecurvesweredeveloped assumingthemaximumRTNDTforallRCSpressure-retaining materials, withtheexception ofthereactorpressurevessel,of50oF.Therefore, thepressure/temperature curvesforTechnical Specification 3/44.9areappropriate forusefortheprimarycoolantinthesteamgenerator aswell,sincetheyarebasedonamoreconservative basis(higherRTNDT)thanthoseinTechnical Specification 3/4.7.2.Thepressuretemperature limitsinTechnical Specification 3/4.7.2areclearlymoreconservative andrestrictive thanrequired.
Duetothepotential problemsoftheRCPsealsbeingoperatedatthelowpressurecurrently
: required, theexistinglimitsof3/4.7.2maycausethesystemtobeoperatedinacondition lesssafethandesired.Basedontheabove,itisourdetermination thatremovalofthepressuretemperature limitsfortheprimarycoolantfromTechnical Specification 3/4.7.2doesnotposearisktohealthandsafetyofthepublic.Thisisduetothefactthatthesecondary pressureboundaryremainsprotected bythisTechnical'pecification andthattheprimarypressureboundaryisprotected by'echnical Specification
~3/4.4.9.OurNSSSvendorconcu'rswiththisconclusion.
SAFETYEVALUATION (continued)
Pae3/47-30Thschangeisadministrative/editorial, andtherefore ofnosafetyconcern.Pacee6-20Thischangeisadministrative/editorial, andtherefore ofnosafetyconcern.}}

Revision as of 11:37, 29 June 2018

Application to Amend License NPF-16 Revising Tech Spec Requirement for Primary & Secondary Coolants in Steam Generator to Be Greater than 100 F When Coolant Pressure Greater than 200 Psig.Ser Encl
ML17301A044
Person / Time
Site: Saint Lucie NextEra Energy icon.png
Issue date: 06/17/1983
From: UHRIG R E
FLORIDA POWER & LIGHT CO.
To: EISENHUT D G
Office of Nuclear Reactor Regulation
Shared Package
ML17214A236 List:
References
L-83-349, NUDOCS 8306210160
Download: ML17301A044 (6)


Text

rrREGULATORY ORMATIONDISTRIBUTION SM(RIDS)AOCBSSI'ON NBR8306210160DOC~DATE!83/06/17NOTARIZED~NOFAOIL:5038%St.Lucie Planti.Unilt2<FloridaPowerLLightCo+AUTH~NAMEAUTHORAFFILIATION UHRIGiRiE, FloridaPower3LightCo,RECIP,NAMERECIPIENT AFFILIATION EISENHUTiD

~G.DivisionofLicensing

SUBJECT:

Application toamendLicenseNPF16revisingTechSpecrequirement forprimaryLsecondary coolantsinsteamgenerator tobegreaterthan100Fwhencoolantpressuregreaterthan200psig,SERencl.DISTRIBUTION "CODE!8001SCOPIESRECEIVED:LTR ENCl'SIZE,-TITLE:Licensing "Submittal:

PSAR/FSAR Amdts8RelatedCorrespondence NOTES:DOCKET¹05000389RECIPIENT IDCODE/NAME A/0LICENSNGLICBR¹3LAINTERNAloElD/HDS2IE/DEPER/KPB 36IE/DEQA/QAB 21NRR/DE/CKB 11NRR/DE/EQB 13NRR/DE/MEB 18NRR/DE/SAB 2ANRR/DE/SGEB 30NRR/DHFS/LQB 32NRR/DL/SSPB NRR/DSI/ASBNRR/DSI/CS8 09NRR/DSI/METB 12NRRDAB22IOQI/MIBEXTERNAL:

ACRS01DMB/DSS(AMDTS)LPDR03NSIC05COPIESLTTRENCL1010103j.11122111111110111111111106-6111111RECIPIENT IDCODE/NAME LICBR¹3BCNERSESiV~01IEFILEIE/DEPER/IRB 35NRR/DE/AEAB NRR/DF/EHEB NRR/DE/GB 28NRR/DE/MTEB 17NRR/DE/SGEB 25NRR/DHFS/HFEB40 NRR/DHFS/PSRB NRR/DSI/AEB26NRR/DSI/CPB 10NRR/DSI/ICSB16NRR/DSI/PSB19NRR/DSI/RSB 23RGN2BNL(AMDT'S ONLY)FEMA~REPDIV"39NRCPDR02NTISCOPIESL'TTRENCL101111111011221111111111111111133'TOTALNUMBEROFCOPIESREQUIRED+

LTTR54ENCl07

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OX14000,JUNOBEACH,FL33408FLORIDAPOWER&LIGHTCOMPANYJunel7,l983L-83-349OfficeofNuclearReactorRegulation

  • Attention:

Mr.DarrellG.Eisenhut, DirectorDivisionofLicensing

.U.S.NuclearRegulatory Commission Washington, D.C.20555

DearMr.Eisenhut:

Re:St.LucieUnitNo.2~DocketNo.50-389ProposedLicenseAmendment SteamGenerator Pressure/Temperature Limitation andAdministrative/Editorial chanesInaccordance withIOCFR50.90,FloridaPower&LightCompanysubmitsherewiththreesignedoriginals andfortycopiesofarequesttoamendAppendixAofFacilityOperating LicenseNPF-I6.Thisamendment issubmitted torevisetherequirement forbothprimaryandsecondary

-coolants inthesteamgenerator tobegreaterthanIOOOFwhenthepressureineithercoolantisgreater.than200psig.Thischangeisnecessary toallowheatupoftheprimarycoolantw'ithfheReactorCoolantPumps.Thischangeisarevisiontothelikechangesubmitted aspartofFPLletterL-83-248dated.April20,l983,andtherefore, supercedes thatpartoftheApril20thsubmittal.

Thisamendment isalsosubmitted to.makeseveraladministrative/editorial changes.Thesechangeshavebeenidentified asaresultofcontinuing reviewoftheTechnical Specifications bybothNRCandFPL.Theproposedamendment isdescribed belowandshownontheaccompanying Technical Specificationpages.~P3/3A-1Inthefootnote, delete"and3.I0.6".ThereisnoSpecialTestException 3.I0.6.~33/33-13Changethe"5.6"andthe"5.35"inSpecification 4.7.I.6b.to"4.2".Pae3/47-I2ReviseSpecification.3.7.2 toapplyonlytothesecondary coolantinthesteamgenerator.

Also,changethe"275"inSpecifications 3.7.2,3.7.2a.and4.7.2to"200".Pae3/47-30Changethe"3.7.II.4and3.7.II.5"inSpecification 3.7.II.Ic.to3.7.Il.4"."3.7.11.3 andIlPEOPLE...

SERVINGPEOPLE Page2OfficeofNuclearReactorRegulation Mr.DarrellG.Eisenhut, DirectoriPaeB3/47-4Changethe>>275>>to>>2QQ>>andthe>>3Q>>to>>20>>jnBASES3/472Pacae6-20Deletethewords"firsthalfyear"inthefirstlineofthedouble-asteriskfootnote.

Inaccordance withI0CFR50.9I(b)(l),

acopyofthisproposedlicenseamendment isbeingforwarded totheStateDesigneefortheStateofFlorida.Inaccordance withIOCFR50.9I(a)(I),

wehavedetermined thatthisamendment doesnotinvolveanysignificant hazardsconsiderations pursuanttoIOCFR50.9I(c)inthattheamendment isadministrative innatureandtherefore doesnot:I)'nvolveasignificant increaseintheprobability orconsequences ofanaccidentpreviously evaluated; or2)createthepossibility ofanewordifferent kindofaccidentfromanyaccidentpreviously evaluated; or3)involveasignificant reduction inamarginorsafety.*el~~ITheproposedamendment hasbeenreviewedbytheSt.LucieFacilityReviewCroupandtheFloridaPower&LightCompariyNuclearReviewBoard.Inthatthisamendment isadministrative innature,ithasbeendetermined tobeaClassIIamendment, inaccordance withIOCFRI70.22.Acheckforpl,200.00 willfollowshortIy.Verytrulyyours,RobertE.UhrigVicePresident AdvancedSystems&Technology REU/RJS/cabAttachments cc:J.P.O'Reilly, RegionIIHaroldF.Reis,EsquireUlrayClark,Administrator Radiological HealthServicesDepartment ofHealthandRehabilitative ServicesI323WinewoodBoulevard Tallahassee, Florida3230I Pae3/44-ISAFETYEVALUATlON, Thischangeisadministrative/editorial, andtherefore ofnosafetyconcern.P~3/47-14Thischangeisadministrative/editorial (theactualvalveclosuretimeis4.2seconds,not5.6secondsor5.35seconds),

andtherefore ofnosafetyconern.Pae3/47-I2andB3/47-4LimitingCondition forOperation 3.7.2forTechnical Specification 3/4.7.2requiresthatthetemperatures ofbothprimaryandsecondary coolantsinthesteamgenerators shallbegreaterthanl00oFwhenthepressureofeithercoolantinthesteamgenerator isgreaterthan275psig.OurNSSSvendorhasindicated thatthe275psiglimitisincorrect andshouldbe200psig.Furthermore, ourstartupprocedures callforinitialheatingoftheprimarycoolanttobeperformed utilizing pumpheatfromthereactorcoolantpumps(RCP).However,thepumpcurvereceivedfromthevendorindicates thatoperation oftheRCPswithintheseprimarycoolantsystempressurelimitswillcausereduction inlifeoftheRCPseals.Sincethetemperature ofthesecondary coolantinthesteamgenerator isatambient,about80to90oF,thisTechnical Specification wouldprecludetheuseofRCPstoheatuptheprimarycoolantwithoutreducingseallife.\44~ThebasesforthisTechnical Specification isthatbyplacinglimitsonthepressureand',temperature ofboth;theprimaryandsecondary

coolants, thepressureinducedstressesinthesteamgenerators donotexceedthemaximumallowable fracturetoughness stresslimits.Thecurrentlimitsarebasedonasteamgenerator RTNDTof20oF.However,Technical Specification 3/4.4.9alsocontainspressureandtemperature limitations forthereactorcoolantsystem(RCS).ThebasesfortheselimitsisthesameasthatforTechnical Specification 3/4.7.2,i.e.,toensurethatthemaximumpressureinducedstressesdonotexceedthemaximumallowable fracturetoughness stresslimitsfortheRCSpressureretaining components.

Bases3/4.4.9statesthatthesecurvesweredeveloped assumingthemaximumRTNDTforallRCSpressure-retaining materials, withtheexception ofthereactorpressurevessel,of50oF.Therefore, thepressure/temperature curvesforTechnical Specification 3/44.9areappropriate forusefortheprimarycoolantinthesteamgenerator aswell,sincetheyarebasedonamoreconservative basis(higherRTNDT)thanthoseinTechnical Specification 3/4.7.2.Thepressuretemperature limitsinTechnical Specification 3/4.7.2areclearlymoreconservative andrestrictive thanrequired.

Duetothepotential problemsoftheRCPsealsbeingoperatedatthelowpressurecurrently

required, theexistinglimitsof3/4.7.2maycausethesystemtobeoperatedinacondition lesssafethandesired.Basedontheabove,itisourdetermination thatremovalofthepressuretemperature limitsfortheprimarycoolantfromTechnical Specification 3/4.7.2doesnotposearisktohealthandsafetyofthepublic.Thisisduetothefactthatthesecondary pressureboundaryremainsprotected bythisTechnical'pecification andthattheprimarypressureboundaryisprotected by'echnical Specification

~3/4.4.9.OurNSSSvendorconcu'rswiththisconclusion.

SAFETYEVALUATION (continued)

Pae3/47-30Thschangeisadministrative/editorial, andtherefore ofnosafetyconcern.Pacee6-20Thischangeisadministrative/editorial, andtherefore ofnosafetyconcern.