ML17264A949

Provides Response to Request for Addl Info Re Plant Third 10-Yr Interval ISI Program Plan Request for Relief Request 17,per 970603 Ltr

ML17264A949
Person / Time
Site:	Ginna
Issue date:	07/08/1997
From:	MECREDY R C ROCHESTER GAS & ELECTRIC CORP.
To:	VISSING G S NRC (Affiliation Not Assigned)
References
TAC-M98377, NUDOCS 9707170056
Download: ML17264A949 (6)

Text

CATEGORYj.REGULATOINFORMATION DISTRIBUTION TEM(RIDS)i'tACCESSION NBR:9707170056 DOC;DATE:

97/07/08NOTARIZED:

NODOCKETFACIL:50-244 RobertEmmetGinnaNuclearPlant,Unit1,Rochester G05000244AUTH.NAME,AUTHORAFFILIATION MECREDY,R.C;-

'ochester Gas&ElectricCorp.RECIP.NAME RECIPIENT AFFILIATION VISSING,G.S.

SUBJECT:

Providesresponseto970603RAIrethird,lO-year intervalISIprogramreliefrequest17forplant.DISTRIBUTION CODE:A047DCOPIESRECEIVED:LTR ENCLSIZE:TITLE:ORSubmittal:

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

05000244TERECIPIENT IDCODE/NAME PD1-1LAVISSINGiG.

INTERNAL:

AEOD/SPD/RAB NRR/DE/EMEB

.OGC/HDS3RES/DET/EMMEB EXTERNAL:

LITCOANDERSONNRCPDRCOPIESLTTRENCL1111111110111111RECIPIENT IDCODE/NAME PD1-1PDILECENTERNUDOCS-ABSTRACT RES/DET/EIB NOACCOPIESLTTRENCL1111111111DENNOTETOALL"RIDS"RECXPXENTS:

PLEASEHELPUSTOREDUCEWASTE!CONTACTTHEDOCUMENTCONTROLDESK,ROOMOWFN5D-5(EXT.

415-2'083)

TOELIMINATE YOURNAMEFROMDISTRIBUTION LXSTSFORDOCUMENTS YOUDON'TNEED!TOTALNUMBEROFCOPIESREQUIRED:

LTTR13ENCL12 v0kCh" OAND1ROCHESlER MSANMIECIIC CORPORA71ON

~89EASl'VENUE, ROCHESTER, N.Y146r194001 AREACOOE71654'6-2700 July8,1997ROBERTC.MECREDYVicePresident NuctearOperations U.S.NuclearRegulatory Commission DocumentControlDeskAttn:GuyS.VissingProjectDirectorate I-1Washington, D.C.20555

Subject:

ResponsetoRequestforAdditional Information, Re:Third10-yearIntervalInservice Inspection Program(ISI)ReliefRequestNo.17(TACNo.M98377)R.E.GinnaNuclearPowerPlantDocketNo.50-244Ref.(a):LetterfromGuyS.Vissing,NRC,toRobertC.Mecredy,RG&E,"RequestforAdditional Information Regarding theR.E.GinnaNuclearPowerPlantThird10-YearIntervalInservice Inspection ProgramPlanRequestforReliefRequest17(TACNo.M98377),"

datedJune3,1997

DearMr.Vissing:

ThepurposeofthisletteristoprovidetheRochester GasandElectric(RG&E)responsetothereferenced letter.TheRG&Ediscussion isprovidedasattached.

YouractiononthisbyJuly31,1997wouldbegreatlyappreciated.

Subjecttoyourevaluation ofthistransmittal, arevisiontoourreliefrequestNo.17maybeappropriate todeletethesesixweldexaminations.

Shouldyouhaveanyfurtherquestions pleasecontactGeorgeWrobelat(716)724-8070.

Verytrulyyours,REJ4472RobertC.Mecredyxc:Mr.GuyS.Vissing(MailStop14B2)ProjectDirectorate I-1Washington, D.C.20555U.S.NuclearRegulatory Commission RegionI475Allendale RoadKingofPrussia,PA19406USNRCGinnaSeniorResidentInspector 9707i70056 970708.D,patt*onceosooo2esi PpoRQIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII' June20,1997

SUBJECT:

ReliefRequestNO.17,Requestforadditional information.

ReliefRequestNumber17wasdeveloped toaddressconcernswhenperforming ultrasonic examinations onweldsconnecting caststainless basemetaland/orobtaining CodecoverageonCategoryB-Jweldexaminations.

Thesix(6)weldsidentified withinSectionI,ItemNumber2,arenolongerapplicable andshouldberemovedfromyourconsideration.

Theseweldswereidentified aspotential problemsinmeetingCode.coverageinconnection withtheSteamGenerator replacement effortatGinnaStation.Preservice examinations wereperformed andCodecoverageobtained.

ReliefRequestNumber17shouldonlyapplytothefour(4)weldsidentified inSectionI,Itemnumber1.Itwasrequested thatRGGEdescribethe"optimized ultrasonic techniques" thatisreferenced withintheReliefRequest.The"optimized ultrasonic techniques" referstotherefracted "L"wavethatisappliedtothesewelds.Table1attachedwillidentifyeachofthefour(4)welds,therefracted examination technique andtheCoderequiredcoveragethatisexpectedtobeobtained.

page1of2 TABLE1WeldIDExamTechnique CoveragePL-FN-XII-LR (XIII)Longitudinal 45RLAssuming>90%basedonscanningparameters.

Notcertainthatthesoundispenetrating theweldorfollowing theweldfusionlinetotheIDsurface.PL-FW-XI-LR(XV)

Longitudinal 45RLAssuming>90%basedonscanningparameters.

Notcertainthatthesoundispenetrating theweldorfollowing theweldfusionlinetot:heIDsurface.PL-FN-XVElbow-to-Pump"B"45RLOnesidedexam.50%Axial,75%Circumferential.

Couldnotverifycalibration between3/8&4/8nodalpointsoncalibration standard.

Notcertainthatthesoundispenetrating theweldorfollowing theweldfusionlinetotheIDsurface.PL-FW-XIII Elbow-to-Pump"A"45RLTobeperformed in1997.CoveragesimilartothatobtainedonweldPL-FN-XVabove.page2of2 IE4-