ML17265A510

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Requests Relief Per to 10CFR50.55a(a)(3)(ii) from Certain Requirements of Section Xi of ASME B&PV Code for ISI Program.Relief Request 40 Encl
ML17265A510
Person / Time
Site: Ginna Constellation icon.png
Issue date: 01/11/1999
From: MECREDY R C
ROCHESTER GAS & ELECTRIC CORP.
To: VISSING G S
NRC (Affiliation Not Assigned), NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9901200389
Download: ML17265A510 (8)


Text

CATEGORY1REGULATRYINFORMATION DISTRIBUTIO SYSTEM(RIDS)ACCESSION NBR:9901200389 DOC.DATE:

99/01/11NOTARIZED:

NOFACIL:50-244 RobertEmmetGinnaNuclearPlant,Unit1,Rochester GAUTH.NAMEAUTHORAFFILIATION MECREDY,R.C.

Rochester GasEElectricCorp.RECIP.NAME RECIPIENT AFFILIATION VISSING,G.S.

DOCKET05000244

SUBJECT:

Requestsreliefperto10CFR50.55a(a)

(3)(ii)fromcertainrequirements ofSectionXIofASMEB&PVCodeforISICprogram.Reliefrequest40encl.ADISTRIBUTION CODE:A047DCOPIESRECEIVED:LTR ENCLSIZE:TITLE:ORSubmittal:

Inservice/Testing/Relief fromASMECode-GL-89-04TNOTES:License Expdateinaccordance with10CFR2,2.109(9/19/72).

05000244E RECIPIENT IDCODE/NAME PD1-1LAVISSING,G.

COPIES.RECIPIENT LTTRENCLIDCODE/NAME 11PD1-1PD11COPIESLTTRENCL11INTERNAL:

AEOD/SPD/RAB NRR/DE/ECGB NUDOCS-ABSTRACT RES/DET/EIB EXTERNAL:

LITCOANDERSONNRCPDR111111111111F~~@~&1NRR/DE/EMEB OGC/HDS3RES/DET/EMMEB NOAC1111101111DNOTETOALL"RIDS"RECIPIENTS:

PLEASEHELPUSTOREDUCEWASTE.TOHAVEYOURNAMEORORGANIZATION REMOVEDFROMDISTRIBUTION LISTSORREDUCETHENUMBEROFCOPIESRECEIVEDBYYOUORYOURORGANIZATION, CONTACTTHEDOCUMENTCONTROLDESK(DCD)ONEXTENSION 415-2083TOTALNUMBEROFCOPIESREQUIRED:

LTTR14ENCL13 ANDROCHESTER GASANDEIECTRICCORPORATION

~89EASTAt)rENIJE, ROCHESTER, N.Y14649-NUI AREACODE716546-2700ROBERTC.MECREDYVicePresident HvdeorOperations January11,1999U.S.NuclearRegulatory Commission DocumentControlDeskAttn:GuyS.VissingProjectDirectorate I-1Washington, D.C.20555

Subject:

Inservice Inspection ProgramASMESectionXIRequiredExaminations forFirst10-YearIntervalforContainment (IWEandIWL)RequestforReliefNo.40R.E.GinnaNuclearPowerPlantDocketNo.50/244

DearMr.Vissing:

IntheFederalRegister, datedAugust8,1996(61FR41303),theNRCamendeditsregulations toincorporate byreference the1992EditionandAddendaofSubsections IWEandIWLofSectionXIoftheASMECode.Subsections IWEandIWLgivetherequirements forinservice inspection (ISI)ofClassMC(metallic containment) andClassCC(concrete containment).

Theserequirements arenowapplicable forR.E.GinnaNuclearPowerPlant.Thepurposeofthisletteristorequestreliefpursuantto10CFR50.55a(a)(3)(i) fromcertainrequirements ofSectionXIoftheAmericanSocietyofMechanical Engineers (ASME)BoilerandPressureVesselCode.Rochester GasandElectricisaparticipant intheElectricPowerResearchInstitute (EPRI)projectforthepreparation ofaGenericIWE/IWLProgramandIndustryGuide.Thisprogramwasdescribed totheNRCinameetingonOctober23,1997,betweentheNRC,EPRI,andNEI,andseveralutilities.

Asaresultfromthesemeetingsaswellasthepublication oftheEPRI"Containment Inspection ProgramGuide"GC-110698, datedSeptember 1998,Rochester GasandElectricissubmitting thisreliefrequest.ReliefRequestNumber40requestsrelieffromSectionXIoftheASMECode,1992Edition,:

1992Addenda,Subarticle IWE-5240, whichrequiresaVT-2vieualexamination following repair,replacement ormodification.

AVT-2examination forevidenceofairleakagewillnotprovideeffective detection ofleakage.Latereditionsandaddendasofthecodenolongercontainthisrequirement.

Testinginaccordance with10CFR50AppendixJwillbeperformed.

pf0))'i'tt'POi200389 9'stOiiiPDRADQCK05000244))'~I8'DR "tCl'IllNI TheReliefRequest,justification, andtheproposedalternatives areincludedintheattachment tothisletter.ThisreliefrequestwillbeincludedintheInservice Inspection ProgramforR.E.GinnaNuclearPowerPlantfortheThirdIntervalProgram(whichendsDecember31,1999)andtheFourthIntervalProgram(whichbeginsJanuary1,2000).NRCapprovalofthisreliefrequestisdesiredbeforetheend'ofJune,1999,toensuretheseprogramsareincompliance withNRCrequirements beforetheendoftheThirdInterval.

Verytrulyyours,RobertC.MecredyAttachment xc:Mr.GuyS.Vissing(MailStop14B2)ProjectDirectorate I-1DivisionofReactorProjects-I/IIOfficeofNuclearReactorRegulation U.S.NuclearRegulatory Commission Washington, D.C.20555RegionalAdministrator, RegionIU.S.NuclearRegulatory Commission 475Allendale RoadKingofPrussia,PA19406U.S.NRCGinnaSeniorResidentInspector f

ATTACHMENT Rochester GasandElectricCorporation GinnaStationDocketNo.50/244First10-YearIntervalforContainment Inspection ProgramRequestforReliefNo.40Containment Inspection VT-2AfterRepair,Replacement orModification System/Component(s) forWhichReliefisRequested:

Allcomponents subjecttotherulesandrequirements forrepair,replacement ormodification ofClassMC,IWE-5000systempressuretestingvisualexamination inaccordance withthe1992Edition,1992AddendaofASMESectionXI.II.CodeRequirement:

Paragraph IWE-5240ofthe1992Edition,1992AddendaofASMESectionXIrequiresthattherequirements ofParagraph IWA-5240forvisualexamination, VT-2,areapplicable following repair,replacement ormodification.

III.CodeRequirement fromWhichReliefisRequested:

Reliefisrequested fromperforming theVT-2visualexamination inconnection withsystempressuretestingfollowing repair,replacement ormodification underArticleIWE-5000.

IV.BasisforRelief:10CFR50.55awasamendedintheFederalRegister(61FR41303)torequiretheuseofthe1992Edition,1992Addenda,ofSectionXIwhenperforming containment examinations.

Paragraph IWE-5210statesthatexceptasnotedwithinParagraph IWE-5240, therequirements ofArticleIWA-5000arenotapplicable toClassMCorClassCCcomponents.

Paragraph IWE-5240statesthattherequirements ofParagraph IWA-5240(corrected fromIWA-5246toIWA-5240inthe1993Addenda)forvisualexaminations areapplicable.

Paragraph IWA-5240identifies a"VT-2"visualexamination.

VT-2examinations areconducted todetectevidenceofleakagefrompressure-retaining components, withorwithoutleakageRequestforReliefNo.40Attachment Page1of3 collection systems,asrequiredduringtheconductofasystempressuretest.Inaddition, personnel performing VT-2examinations arerequiredtobequalified inaccordance withSubarticle IWA-2300ofASMESectionXI.Forrepairs,replacements ormodifications thatareperformed underASMESectionXICode,applicable Construction Code(orInstallation Code)non-destructive examinations (NDE)areperformed andmustmeettheacceptance criteriaoftheConstruction

/Installation Code.InadditiontotheConstruction CodeNDE,applicable ASMESectionXINDEpre-service NDEarealsoperformed.

TheseConstruction CodeandSectionXIpre-service NDErequirements provideadditional assurances thattherepairs,replacements ormodifications aresoundandleak-tight.

TableIWE-2500-1, Examination CategoryE-P,identifies theexamination methodof10CFR50,AppendixJanddoesnotspecifically identifyaVT-2visualexamination.

10CFR50,AppendixJprovidesrequirements fortestingaswellasacceptable leakagecriteria.

Thesetestsareperformed byAppendixJ"Test"personnel andutilizecalibrated equipment todetermine acceptability.

Additionally, 10CFR50.55a(b)(2)(x)(E) requiresageneralvisualexamination ofthecontainment eachperiodthatwouldidentifyanystructural degradation thatmaycontribute toleakage.A"VT-2"visualexamination willnotprovideadditional assurance ofsafetybeyondthatofcurrentAppendixJpractices.

Reliefisrequested inaccordance with10CFR50.55a(a)(3)(i).

Theproposedalternative (pressure testinginaccordance with10CFR50,AppendixJ)willprovideanacceptable levelofqualityandsafety.Thereference toparagraph IWA-5240hasbeenremovedinthe1997AddendaofASMESectionXI.ThisaddendahasbeenapprovedbytheASMEMainCommittee andshouldbepublished in1998.V.Alternate Examinations:

Testingshallbeconducted inaccordance with10CFR50,AppendixJ,inlieuofParagraph IWE-5240ofASMESectionXI.RequestforReliefNo.40Attachment Page2of3

~~VI.Justification fortheGrantingofRelief:Forrepairs,replacements ormodifications thatareperformed underASMESectionXICode,applicable Construction Code(orInstallation Code)non-destructive examinations (NDE)areperformed andmustmeettheacceptance criteriaoftheConstruction

/Installation Code.InadditiontotheConstruction CodeNDE,applicable ASMESectionXINDEpre-service NDEarealsoperformed.

TheseConstruction CodeandSectionXIpre-service NDErequirements provideadditional assurances thattherepairs,replacements ormodifications aresoundandleak-tight.

ThisReliefRequestwillminimizeGinnaoperating andmaintenance costwithoutdecreasing thelevelofqualityandsafety.VII.Implementation Schedule:

Reliefisrequested forthefirstinspection intervalfortheIWEContainment Inspection Program(1996-2008).NotethatthisintervaloverlapstheThirdandFourth10-YearIntervalinspections oftheGinnaInservice Inspection Program.RequestforReliefNo.40Attachment Page3of3