ML20247H561

Summary of 890613 Meeting W/Util & Ncempa in Rockville,Md Re Future Plans for Plant Recirculation Sys Piping Replacement &/Or Repair.List of Attendees & Meeting Agenda Encl

ML20247H561
Person / Time
Site:	Brunswick
Issue date:	07/12/1989
From:	Tourigny E Office of Nuclear Reactor Regulation
To:	Office of Nuclear Reactor Regulation
References
NUDOCS 8907310065
Download: ML20247H561 (16)

Text

July 12, 1989 7

4 Docket Nos. 50-325 50-324 '

LICENSEE: Carolina Power & Light Company FACILITY: BRUNSWICK STEAM ELECTRIC PLANT, UNITS 1 AND -2

SUMMARY

OF JUNE 13, 1989 KANAGEMENT MEETING WITH CAROLINA POWER & LIGHT COMPANY General On June 13, 1989, the HRC staff met with the Carolina Power & Light. Company to discuss future plans for Brunswick recirculation system piping replacement-and/or repair. The meeting was held in Rockville, Maryland; a list of attendeees is included as Enclosure 1.. is the meeting agenda.

Discussion Integranularstresscorrosioncracking(IGSCC)hasbeena.seriousconcernon the Brunswick recirculation system, especially the' ten risers from the manifold-to the reactor pressure vessel nozzles. Weld overlays were, utilized in the past-to justify continued operation on a per cycle basis.

The licensee has decided that the risers of both units will be replaced. The Unit I risers will be replaced during.the next outage, summer of 1990. The Unit 2 risers will be replaced during the next-outage,-fall of 1989, or the outage after the next, early 1991.

The ability of the licensee to replace the Unit 2 risers in the fall of 1989 will depend upon having the material on-site,

a. labor force in-place, and the inspection results. Nevertheless,-if the Unit 2 risers cannot be replaced during the upcoming outage, they will definitely be I

replaced in early 1991. Details of the licensee's presentation are contained in Enclosure 3.

J The.' staff was satisfied with the licensee's approach, and requested that their commitments be formalized in a letter to the staff. The licensee agreed.

Original Signed By:

E. G. Tourigny, Senior Project Manager ject W ectorate m l 8907310065 890712 e

PDR ADOCK 05000324 Division of Reactor Projects -I/II P

PNU Office of Nuclear Reactor Regulation

Enclosures:

1.

List of Attendees 2.

NRC's Agenda 3.

Licensee's Agenda i

i cc w/encis:

I See next page j

PM:PDII-1 D:PDII:1-ETourigny:sw EAdensam gg 1

7/11/89 7/12/89 l

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Mr. L. W. Eury Brunswick Steam Electric Plant Carolina Power & Light Company Units 1 and 2 CC:

Mr. Russell B. Starkey, Jr.

Mr. H. A. Cole Project Manager Special Deputy Attorney General Brunswick Nuclear Project State of North Carolina P. O. Box 10429 P. O. Box 629-Southport, North Carolina 28461 Raleigh, North Carolina 27602 Mr. R. E. Jones, General Counsel Mr. Robert P. Gruber Carolina Power & Light Company Executive Director P. O. Box 1551 Public Staff - NCUC Raleigh, North Carolina 27602 P. O. Box 29520 Raleigh, North Carolina 27626-0520 Ms. Grace Beasley Board of Commissioners P. O. Box 249 Bolivia, North Carolina 28422 Resident Inspector U. S. Nuclear Regulatory Commission Star Route 1 P. O. Box 208 Southport, North Carolina 28461 Regional Administrator, Region II U. S. Nuclear Regulatory Commission 101 Marietta Street, Suite 2900 Atlanta, Georgia 30323 Mr. Dayne H. Brown, Chief Radiation Protection Branch Division of Facility Services N. C. Department of Human Resources 701 Barbour Drive Raleigh, North Carolina 27603-2008 Mr. J. L. Harness l

Plant General Manager Brunswick Steam Electric Plant l

P. O. Box 10429 Southport, North Carolina 28461

i DISTRIBUTION FOR MEETING

SUMMARY

DATED: June 13, 1989, Facility: Brunswick Units 1 and 2 Dochst7ile NRC PDR Local'PDR i

PDII-1 Reading 0

T. Murley 12-G-18 Ofo/

J. Sniezek 12-G-18 E. Adensam 14-B-20

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P. Anderson 14-B-20 l

E. Tourigny 14-B-20 0GC 15-B-18 E. Jordan MNBB-3302 B. Grimes 9-A-2

~1 R. Herman H-15 J. Blake RI J. Richardson 8-H-3 CY Cheng 9-H-15 W. Koo ACRS(10)

~ 9-H-15 P-315-B. Borchardt 17-D-19 h

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-Enclosure 1 NRC/CP&L MANAGEMENT MEETING BRUNSWICK JUNE 13, 1989 NAME AFFILIATION E. Tourigny NRR/PM/PDII-I - Brunswick E. Adensam NRR/PDII-1 R. Herman' NRR/ DEST /EMTB J. Blake NRC/ Region II J. Richardson NRC/EAD C.Y. Cheng

.NRC/ DEST /EMTB W. H. Koo NRC/ DEST /EMTB W. Batt NCEMPA C. Troutman NCEMPA R. Gamble Novetech/NRC Consultant R. Starkey CP&L/ Brunswick G. Lainas A. Cutter NRR/DRP CP&L/Ralei h R. Watson CP&L/Ralei h i

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l AGENDA NRR/CP&L Management Meeting-j Brunwswick Steam Electric Plant Recirculation System Piping Unit Nos. I and 2 June 13, 1989 1

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Prest.;1t Unit Configuration Unit Repairs to Date Criteria for Future Replacement / Repairs l

Replacement Work Scope Timing for Decis!cns Status of Hydrogen Injection System

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AGENDA NRR/CP&L MANAGEMENT MEETING BRUNSWICK STEAM ELECTRIC PLANT RECIRCULATION SYSTEM PIPING UNIT NC3. 1 AND 2 Present Unit Configuration Unit Repairs to Date Criteria for' Future Replacement / Repair Timing for Decisions

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Status of Hydrogen Injection System

[Nete: This material was retyped from a telecopy from Ed Tourginy (NRR Project Manager for BSEP) which proposes this draft agenda for the BSEP Recirculation System Piping Meeting.]

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TMPlcAL INLET RISER / N0HLE RECIRC INLET N0ZELE REPLACEMENT

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u CURRENT IG8CC MITIGATION STATUS OF BSEJ UNITS 1f 2 l

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UNIT 1 j

i MSIP HAS BEEN APPLIED TO ALL RECIRC SYSTEM, CORE l

SPRAY, AND JPI NO32LES THAT HAVE NOT BEEN OVEEGAID.

AUTOMATED UT INSPECTIONS (PERFORMED DURING THE 1988/89 OUTAGE) RESULTED IN INDICATIONS BEING OB8ERVED IN 7 RECIRC SYSTEM INLET NO25LE TO SAFE END WELDS. PREVIOUS WEAMINATIONS USING MANUAL TECHNIQUE 8 HAD REVEALED NO INDICATIONS. THE8B 7 RECIRC SYSTEM INLET N055LE WELDS WERE OVERLAID.

IH8I HAS BEEN PERFORMED ON THE REMAINING PORTION 8 OF THE RCR SYSTEM.

4 HYDROGEN INJECTION SYSTEM IS SCHEDULED TO BE COMPLETE BY THE END OF 1949.

'IG8CC INSPECTIONS HAVE, AND WILL CONTINUE TO BE COMPLETED IN ACCORDANCE WITH NUREG 0313, REV 2, AND EPRI GUIDELINE 8.

UNIT 2 MSIP HA8 BEEN APPLIED TO ALL RECIRC SYSTEM, CORE SPRAY, AND JPI NOEELES THAT HAVE NOT BEEN OVERLAID.

AUTOMATED UT EXAMINATIONS WERE PERFORMED ON ALL RECIRC SYSTEN, CORE SPRAY, AND JPI NC55LES. A8 A

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RESULT OF THESE INSPECTIONS, AN OVERLAY WAS j

APPLIED ON THE N2X NO2 ELE TO SAFE END WELD.

1E84 HA8 BEEN PERFORMED ON THE REMAINING PORTIONS OF THE RECIRC SYSTEM.

HYDROGEN INJECTION SYSTEM INSTALLATION IS COMPLETE, WITH FULL / FINAL OPERABILITY ANTICIPATED BY 7/14/89.

IG8CC INSPECTIONS HAVE, AND WILL CONTINUE TO BE COMPLETED IN ACCORDANCE WITH NUREG 0313, REV 5, l

AND EPRI GUIDELINES.

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CRITERIA FOR FUTURE REPLACEMENT / REPAIR l

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IN8PECTIONS WILL BE PERFORMED ON FIVE (5) RECIRC SYSTEM N055LE TO SAFE END INCONEL BUTTER WELDS, ONE OF WHICE WILL BE THE INCONEL WELD OVERLAY ON MO55LE N23. IF NO SUBSTANTIAL CRACK GROWTH IS OB8ERVED (GROWTE WHICE COULD BE CONSTRUED A8 AN ERROR IN THE ACCURACY OF TEE UT EQUIPMENT BEING USED WILL NOT BE CONSIDERED A8 ACTUAL.GROWTE) IN TIE N2B INDICATION, AND IF NO UNACCEPTABLE INDICATIONS ARE IDENTIFIED IN THE REMAINING NOBILE' INSPECTIONS, THE REMAINIkG (SEE NOTE BELOW) IG8CC INSPECTION SCOPE FILL BE COMPLETED AND TEE UNIT WILL BE RETURNED TO SERVICE.

UNACCEPTABLE IS DEFINED AS THOSE INDICATIONS WEICE COULD NOT BE ACCEPTED BY FRACTURE MECHANICS

AKALYSIS, AND WOULD REQUIRE WELD OVERLAY REINFORCEMENT. IF INDICATIONS WHICE ARE hCCEPTABLE BY ANALY878' ARE IDENTIFIED IN ANY OF TEE ORIGINAL 5 N055LES TO BE INSPECTED, THE REMAINING 5 N055LES WILL ALSO BE IN8FECTED (SAMPLE REFAN8 ION).

TEE RECIRC SYSTEX REPLACEMENT (A8 IDENTIFIED' IN

" WORK 8COPEH) WILL TEEN BE PERFORMED DURING THE NEET l

REFUELING OUTAGE.

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THE THERMAL 8LEEVE ATTACEMENT WELD 8 CF ALL TEN (10)

RECIRC SYSTEM INLET SAFE ENDS WILL BE INSPECTED. IF ANY UNACCEPTABLE INDICATIONS (UNACCEPTABLE IS DEFINED A8 THOSE INDICATIONS WHICE COULD NOT BE ACCEPTED BY FRACTURE MECHANICS ANALYSIS)

ARE IDENTIFIED, LIMITED SERVICE (ONE CYCLE),

LEAE BARRIER WELD OVERLAYS WILL BE APPLIED.

UNIT 1 E

CPEL PLAN 8 TO PERFORM THE RECIRC SYSTEM REPLACEMENT (AS IDENTIFIED ' IN "WORKSCOPEH)

DURI!!G THE NEXT RE?mELING OUTAGE.

NOTE:

IN ADDITION TO THE FIVE (5) RECIRC SYSTEM INLET'NO55LE INSPECTIONS, ONE (1) CORE SPEAY, AND ONE (1) JPI NOIELE WILL ALSO BE IN8PECTED, A8 WELL AS BOTE OF THE RECIRC-8YSTEM SUCTION (28") N055LES.

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BEPJAGEEFJfT WORK SCOPE i

E REMOVE EXISTING RECIRC SYSTEM INLET RISERS 1

5 RENOVE EXISTING RECIRC SYSTEM 1NLET SAFE ENDS 1

E REMOVE EXISTING INCONEL BUTTER / CLADDING FROM RECIRC SYSTEM INLET NOZELES 1

E REPAIR INDICATION ON RECIRC SYSTEM INLET N053LE N2E 1

E APPLY 309L STAINLESS STEEL BUTTER / CLADDING ON RECIRC SYSTEM INLET NOEZLES I

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INSTALL NEW 316NG STAINLESS STEEL RECIRC SYSTEM INLET l

SAFE ENDS l

B INSTALL NEW 316NG STAINLESS STEEL RECIRC SYSTEM RISERS ee

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l TIMING FOR DECISIONS l

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l START DATE FOR UNIT 2, REFUEL 8 OUTAGE

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SEPTEMBER 9, 1989 l

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SEPTEMBER 14, 1989 START INSPECTIONS ON FIVE (5) RECIRC SYSTEM INLET N055LE8 (8A',.8B',

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SEPTEMBER 23, 1989 COMPLETE EVALUATION OF N055LE l

INSPECTION RESULTS I

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SEPTEMBER 27, 1989 DECISION MADE TO PERFORM WELD i

OVERLAYS OR RECIRC SYSTEM' INLET PIPING /8AFE END REPLACEMENT

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STATUS OF BYDROGEN INJECTION SYSTEM UNIT 1 DESIGN 75% COMPLETE, REMAINDER TO BE COMPLETED 4

BY LATE SUMMER, 1989.

INSTALLATION / TESTING OF TIE-INS TO EXISTING PLANT SYSTEMS IS COMPLETE (APPROX. 20% OF SCOPE)

REMAINDER OF INSTALLATION TO BEGIN MID,.TO LATE SUMMER 1989. PROJECTED TO COMPLETE BY END OF 1989.

UNIT 2 INSTALLATION COMPLETE.

FINAL ACCEPTANCE TESTING TO BE COMPLETED BY 6/23/89.

FULL / FINAL OPERABILITY BY 7/14/89.

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CURRENT STATUS OF THE RECIRC SYSTEM REPLACEMENT PRG7ECT I

l STATUS OK BTATUS ON DESCRIPTION 6/13/89 9/27/89 5 MATERIAL PROCUREMENT REPLACEMENT SAFE ENDS ON ORDER RECEIVED REPLACEMENT PIPE ON ORDER RECEIVED WELDING CONSUMABLES ON ORDER RECEIVED E

PLANT MODIFICATION PREPARATION APPROVED IN PROGRESS FOR USE E

CONTRACT RELATED ITEMS CONTRACTOR SELECTION REQUEST FOR CONTRACT QUOTE IN AWARDED PREPARATION CONTRACTOR PROCEDURES N/A PROCEDURES WRITTEN AND APPROVED FOR USE MOCRUPS N/A FABRICATION COMPLETE AND MOCKUPS l

SHIPPED TO SITE.

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