ML18033A512
| ML18033A512 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 01/12/1989 |
| From: | Gridley R TENNESSEE VALLEY AUTHORITY |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| GL-84-11, GL-88-01, GL-88-1, TAC-61049, NUDOCS 8901190223 | |
| Download: ML18033A512 (8) | |
Text
REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)
ACCESSION NBR:8901190223 DOC.DATE: 89/01/12 NOTARIZED: NO FACIL:50-260 Browns Ferry Nuclear Power Station, Unit 2, Tennessee "AUTH.NAME AUTHOR AFFILIATION GRIDLEY,R.
Tennessee Valley Authority RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)
SUBJECT:
Responds to 881208 recpxest for addi info on IGSCC program.
List of commitments encl.
DISTRIBUTION CODE:
D030D COPIES RECEIVED:LTR ENCL
'IZE:
TITLE: TVA Facilities Routine Correspondence NOTES:1 Copy each to: S.Black, J.G.Partlow, S.Richardson B.D.Llaw,F.McCoy.
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TOTAL NUMBER OF COPIES REQUIRED:
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I
TENNESSEE VALLEYAUTHORITY CHATTANOOGA. TENNESSEE 31401 5N 157B Lookout Place U.S. Nuclear Regulatory Commission ATTN:
Document Control Desk Washington, D.C.
20555 Gentlemen:
In the Matter of Tennessee Valley Authority Docket Nos.
50-260 BROWNS fERRY NUCLEAR PLANT (BFN) UNIT 2 RESPONSE TO REQUEST FOR ADDITIONAL INFORMATION ON THE INTERGRANULAR STRESS CORROSION CRACKING (IGSCC)
PROGRAM (TAC 61049)
Reference:
NRC letter to 0.
D. Kingsley, Jr.
dated December 8,
- 1988, Generic Letters (GL) 84-11 "Inspection of BWR Stainless Steel Piping" and GL 88-01 "NRC Position on IGSCC in BWR Austenitic Stainless Steel Piping" Evaluation of Browns Ferry Unit 2 Responses In the above referenced letter, NRC provided its TVA's program actions to GL 84-11 and GL 88-01.
IGSCC analyses and corrective/mitigation actions accordance with GL 84-11 and GL 88-01.
- However, areas of concern that need to be resolved before NRC staff requested a submittal addressing:
Safety Evaluation (SE) of The SE...concl.uded that, the BFN for unitere performed in the SE identified certain restart.
Specifically, the 1.
Commitments concerning sample expansion inspections in accordance with GL 88-01 and 2.
A restart inspection schedule for the 71 welds which have not been post-Induction Heating Stress Improvement (IHSI) inspected.
BFN has initiated a post-IHSI weld examination project that will examine the remaining unit 2 welds that have not received post-IHSI inspection.
TVA will provide the results of this project to NRC upon its completion.
This project will be complete before restart and will eliminate any possible post-IHSI sample expansion problems for this outage.
BFN's sample expansion process will conform to the NRC "Staff Position on Sample Expansion" as specified in GL 88-01 for future IGSCC examination efforts.
In addition, the NRC staff requested that TVA provide technical specification changes reflecting leak detection requirements specified in GL 88-01.
TVA has already provided this information in its Technical Specification submittal No.262 "Intergranular Stress Corrosion Cracking," dated December 9,
1988.
S90ii90223 890ii2 PDR ADOCK 05000260 P
PDC An Equal Opportunity Employer o3atl
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U.
S. Nuclear Regulatory Commission The response time for this submittal, has been discussed with Gerald Gears (NRC) and it was agreed that TVA's submittal would be due to NRC on January 13,
- 1989, 30 days after receipt of your letter.
Enclosure 1 contains a list of the commitments made in this submittal.
If you have any questions, please telephone Patrick P. Carier, BFN, at (205) 729-3570.
Very truly yours,
. TENNESSEE VALLEY AUTHORITY cc:
Ms.
S.
C. Black, Assistant Director for Projects TVA Projects Division U.S. Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852 R.
- dley, M n ger Nuclear Licensing and Regulatory Affairs Mr. F.
R.
McCoy, Acting Assistant Director for Inspection Programs TVA Projects Division U.S. Nuclear Regulatory Commission Region II 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323
. Browns Ferry Resident Inspector Browns Ferry Nuclear Plant Route 12, Box 637
- Athens, Alabama 35609-2000
I'
ENCLOSURE 1
LIST OF COMMITMENTS The following is a list of commitments made in this submittal:
1.
TYA will examine the remaining unit 2 welds that have not received post-IHSI inspection before restart.
2.
TVA will provide NRC with the results of its inspection project before restart.
3.
TVA's BFN sample expansion process will conform to NRC "Staff Position on Sample Expansion" as specified in GL 88-01 for future IGSCC examination efforts.
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