ML20042G132

Summary of 900503 Meeting W/Util in Rockville,Md Re IGSCC Program for 1990 Refueling Outage & Update on Recent Reactor Vessel Head Weld Indication

ML20042G132
Person / Time
Site:	FitzPatrick
Issue date:	05/08/1990
From:	Labarge D Office of Nuclear Reactor Regulation
To:	Office of Nuclear Reactor Regulation
References
NUDOCS 9005110126
Download: ML20042G132 (16)

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NUCLEAR REGULATORY COMMISSION E

WASHINGT ON, D. C. 70bbb Lkv y

MAY 8 19M i

i Docket No.:

50-333 LICENSEE:

Power Authority of the State of New York (PASNY)

TACILITY:

James A. FitzPatrict Nuclear Power Plant j

SUBJECT:

SbMP.ARY OF MEETING HELD ON MAY 3.1990 TO DISCUSS THE INTERGMNULAR STRESS CORROS10N CRACKING (IGSCC) PROGRAM RELATED TO THE 1990 REFUELING OUTAGE. ALSO, TO UPDATE THE STAFF ON THE RECENT REACTOR VESSEL HEAD WELD INDICATION.

The meeting was held at the Cne White Flint North Office in Rockville, Maryland. A list of attendet is attached as Enclosure 1.

l Enclosurc 2 is the reference mat (rial supplied by the licensee concerning the IGSCC program and findir.gs, Enclosure 3 is the reference material supplied by L

the licensee concerning the reactor vessel heed weld indication., All topics l

6utlined were addressed during the meeting, y

UT inspections of the reretor coolant boundary piping welds in the drywell are conducted as required by the licensee's Inservice Inspection (151) Program, as approved by the NRC, in accordance with Generic Letter 88-01. To date the inspection results have indicated that new IGSCC indications have been found in six welds and two previous indications have shown apparent growth. All will be addressed as required by Generic Letter 88-01.

In addition the original numberofweldsscheduledforinspectionduringthisrefue1Ingoutagehasbeen l

increased from 41 to 45 welds.

l The discussion of the weld indication in the reactor vessel head consisted of the preliminary results which have been obtained to date and the Inservice l

Ins)ection which revealed the indication, previous ISI tests and the test metiod used for the heed welds, and the weld sample program ex3ansion resulting from the test results.

In addition, a overview of tie corrective action plan consistin of engineering analysis, boat sample failure analysis, and indication remova was discussed j

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2 The utility has committed to supply updated information concerning both of these issues as it is developed and the final IGSCC report for NRC evaluation and approval on May 10 or 11, 1990.

pgma dend W David E. LaBarge, Project Manager Project Directorate 1 1 Division of Reactor Projects. 1/11 Office of Nuclear Reactor Regulation

Enclosures:

1.

List of Attendees 2.

IGSCC Inspection Results 3.

Reactor Vessel Head 151 Inspectior, cc w,ler.closura:

See next page i

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OFFICIAL RECORD COPY-Document Name:

SUMMARY

, MEETING MAY 3RD a

'5 Nr.JohnC.Brons James A. Fit 2 Patrick Nuclear Power Authority of the State of New York Power Plan?,

cc:

Mr. Gerald C. Goldstein Ms. Donna Ross Assistant General Counsel New York State Energy Office Power Authority of the State 2 Empire State Plaza of New York 16th Floor 1633 Broadway Albany, New York 12223 New York, New York 10019 Resident inspector's Office Regional Administrator, Region 1 tl. S. Nuclear Regulatory Commission U. S.* Nuclear Regulatory Commission Post Office Box 136 475 Allendale Road Lycoming, New York 13093 King of Prussia, Pennsylvania 19406 Mr. William Fernandez Mr. A. Klausman Resident Manager Senior Vice President - Appraisal Janes A. FitzPatrick Nuclear and Compliance Sarvices Power P.lant Power Authority of the State Post Office Box 41 of New York Lycoming, New York 13093 1633 Broadway New York, New York 10019 Mr. J. A. Gray, Jr.

Mr. Gecrge W!1 vert:ing, Manager Director Nuclear Licensing - BWR Nuclear Safety Evaluation Power Authority of the State Power Authority of the State of New York of New York 123 Main Street 123 Main Street White Plains, New York 10601 White Plains, New York 10601 Supervisor fir. R. E. Beedle Town of Scriba Vice President Nuclear Support R. D. #4 Power Authority of the State Oswego, New York 13126 of New York 123 Main Street White Plains, New York 10601 fir. J. P. Bayne, President Power Authority of the State of New York fir. S. S. Zulla 1633 Broadway Vice President Nuclear Engineering New York, New York 10019 Pcwer Authority of the State of New York i

123 Main Street Mr. Richard Patch White Plains, New York 10601 Quality Assurance Superintendent James A. FitzPatrick Nuclear Power Plant Post Office Box 41 Mr. William Josiger, Vice President Lycoming, New York 13093 Operations and Maintenance Power Authority of the State of New York 123 Main Street Charlie Donaldson, Esquire White Plains, New York 10601 Assistant Attorney General New York Department of Law 120 Broadway New York, New York 10271

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ENCLOSURE 1

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i LIST OF ATTENDEES PART1CirANTS ORGAN 17AT10N r

Woody Perzins NYPA

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William Fernander NYPA Glen Lozier NYPA Pobert Penny NYPA Judd E11mers NYPA Sofia Toth.

NYPA Aturo D. Smith NYPA 7-Richard Lauman NYPA William A. Josiger NYPA L. Perrett EBASCO Lynn Connor SAlc Pryor H. Randall NRC C.Y. Cheng.

NRC W.H. Xoo NRC S. Lee N?.C John Tsao NRC frank J. Witt Wrt 0 bert A. Capra.

NHC 0

James C. LIntille hAC Herb Kaolen NRC Barry Elliot NRC Tom Greene NRC E. Igne NRC Robert Hermann NRC Martin Hum NRC David LaBarge NRC 6

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ENCLOSURE 2

-1 IGSSC INSIECTIM RESLLTS WREG NO. of WELDS NO. of WEIIS EXPANSIW NOTES CMBXRY PER SWENI2D No. of WELDS CMB30RY TIR INSP.

1st 2rxl A

26 2

0 C

63 32 +(2 added) 12 13 1

C-3 3

0 +(1 aMad) 0 2

1 C*

2 0

0 D

32 16 2

2 E

20 7 +(1 w hi) 1 3

I F

2 1

1 4

G 3

3 0

'IUIAL 151 45 16 15

'!UIAL INSPECTED AT 76 i

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i De original pcpilaticrt for catagory C welds inclated twelva(12) welds. Two walds (28-56 ard 28-50A) wars a&had due prwvious i

data di v ies.

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One wald (C-3/12-61) was added due to ptwvious data di v ies.

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8-12"

'IMO WE2.DS (12-1,12-65) IEIDMINED TO OWIAD* 'GSOC LtKE INDICATACNS/IREVIOUS INSPECTIN 1987 3-28" NO PROBIEMS i_

1-22" NO IPDBIDS Armn wrrm l

l 2-28" (C)

NE WELD (28-56) IEIERMINED 70 ONIAIN IGSOC LIKE INDICATICNS IN

,1987/NO CRACKING FOUND IN 1988 CR 1990 INSPECTICNS t

1-12" (C-3)

NO PROBLEMS t

EXPANIED SAMPLE /]st 11-12" 7WO WEIDS (12-18,12-76) IEIERMINED l-70 OWIAIN IGSOC LIKE INDICATIONS WELD 12-8 IS INER EVAIID&IN.

1-28" NO MOBIDtS EXPAprm SAMPIE/2nd 13-12" NO IBDBIDS 'IO IATE 2-28" NO Pf0 BIDS TO IATE NCfrE:

ALL CATEXXRY C WELDS INSPECIED IN 1988 CR 1990. AIL 12" WE2DS HAVE BEEN INSPECTED DIIS OrJDGE.

28" WE2IE SHtE6 NO NENLY DISCKNERED IGSCC THIS CUDGE.

All INSPECIED IN DIE 1988 CUDGE AF'1ER 00CEN

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J NCTTE 3 One Ontagory E wald (28-33) was found to have apparent growth of the indication due to a change in inspecticm tactniques (using siallar tactmique-minimal growth shown).

'this w ld is being a

repaired by weld overlay.

'Ihm remaining category E wald (12-4) that has an indicatice was insepcted with no chan;pe in crack growth noted. 'the indication has been determined to be WWie in naturn but will be noted as Category E for future inspections.

'Ihe runnininy category E walds (18) are walds repaired by weld cwarlay. Eight wart inspectad in 1988, 'Ihree in the 1989 maintenance cutage and seven during this refueling cutage with no problema notad.

i E7FE 4 One Category F weld (28-53) was inspected this wald showed sczne i

apparent growth of the indication (.05 to.1 of an inch in cme cycle). 'Ihe remainirx; wald (28-112) was inspected with no problems noted. 'this weld was determined to be not be cracked.

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ICIE 2 One category D wald on the "B" core spray locp was detamined to oantains 1Gs00 like indicatims (10-14-494). '!he tw risnainirq l

antagory D walds cm "B" core spray wezu inspected.

CNrBXRY D WEIDS 1

i N(NBER TYPE l

1 5

"B" CORE SERAY-ALL (NON CMRIAYS) DEPDCIED THIS Ol1TAGE 17 ALL SE-N WEIIS DGMDED IN 1988 (9) CR 1990 (8) 6 JPI ASSIMBLY WEIDS INSPDCTED IN 1988 (3)

CR 1990 (5) l 3

RHR U1246 (A loop) 'IHAT CINTAIN INC3EL 182-F INSPDCIED IN 1588.

3 Thc three NHR walds were inspected on the "B" loop (CNr1 DORY G) and are now CATEXXRY D.

702AL OF 34 CNITDORY D WEIDS

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ihe reduction frun 32 to 31 this outage is weld 10-14-494 which has been weld overlay rspaired and is now NURED CNTEDORY E.

Highest shrin)W;e stress for Cbre Spray are walds 10-14-492 2450 psi 10-14-497 1760 psi Inspected this cutage. Replace durirg the 1991 refuel outage.

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1 SLD99JW OF "B" CIRE SIMY PIPING i

WIAL NLMBER OF WEIDS IS 10. FtRDIER SUBDIVIDED BY DIE I

FDLTDWINGt 4-WE2D OVERIAYSt WE1DS 10-14-493, 495, 496, AND DiIS OLTDGE 494.

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' l N7tEt 493, 495, 496 WERE INSIALIED IN 1987 AND SURFhCE FINISHED AND INSPECTED IN DIE 1989 MGf1DENCE OLTDGE.

l 5-CATBXRY D WEIDS:

N-5B-SE- 02fDJNS INCNEL 182, INSPSCTED 1988 10-14-492, 497, 498, 501, ALL S'IAINIESS S'IEEL WI2DS EXCEPT WIIO! IS CG%K5W B-F, 309 WE2D ME'!AL ALL INSPEC'IED DtIS OUDGE.

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EWCLOSURE 3 1

ISI INSPECTION 1

OntsNAL $CHEDULE 1990 2 crne wEtos 100% EXAMINATION 1 MERIDONAL WELo 100% ExAMINAT10W FrasT HEAD EXAMS IN 2ND INTERVAL i

LrMITED EXAMS IN IST INTERVAL 1974 coor, mE0urnEMENTS i

10% or wEtn EXAMINED 36" Or cine wtLo VC-TH-1-2 8" 0F EACH MERID0NAL WELD b

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ISI EXPANSION P

i ORIGINAL SCHEDULE 1990 l

2 cInc WELos 100% EXAMINATION

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1 MERIo0NAL WELo 100% EXAMINATION I

i AnoITIONAL UT exams ON 3 WELos VV-TH-18 100% EXAMINATION VV-TH-1C 100% EXAMINATION VV-TH-10 100% EXAMINATION i

VISUAL EXAMS OF ALL NEAD WELoS a

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VV-TH-1-2 INDICATIONS INDICATIONS OPEN TO ID 1" LONG LINEAR INDICATION 1/16" WIDE NON-CONTINUOUS

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PARALLEL TO WELD i

IN WELD METAL SMALL INDICATIONS NEARdY LONG COMPLEF. SutSURFACE REFLECTOR UNUSUAL CONF %GURATION MOT TYPICAL OF CRACK-LIKE FLAWS AZIMUTN 114' CW FROM 0' l

AWAY FROM N01 ELE AREAS FLANGF. !!DE OF WELD CENTER

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