ML18033B005
| ML18033B005 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 10/26/1989 |
| From: | Black S Office of Nuclear Reactor Regulation |
| To: | Kingsley O TENNESSEE VALLEY AUTHORITY |
| Shared Package | |
| ML18033B006 | List: |
| References | |
| TAC-00234, TAC-00235, TAC-00236, TAC-234, TAC-235, TAC-236, NUDOCS 8911020174 | |
| Download: ML18033B005 (10) | |
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- NUCLEAR REGULATORY COMMISSION WASHINGTON, D. C. 20555 October 26, 1989 Docket Nos. 50-259, 50<<260, and 50-296'-
Mr. Oliver D. Kingsley, Jr.
Senior Vice President, Nuclear Power Tennessee Valley Authority 6N 38A Lookout Place 1101 Market Street Chattanooga, Tennessee 37402-2801
Dear Mr. Kingsley:
SUBJECT:
BROWNS FERRY, UNITS li 2, AND 3 REQUESTS FOR RELIEF ISI<<4, ISI-5 AND ISI-8 FROM INSERVICE INSPECTION (VOLUMETRIC) REQUIREMENTS (TAC 00234 00235i 00236)
The Tennessee Valley Authority (TVA) in a letter dated June 4, 1987, submitted revised requests for relief from the Inservice Inspection (ISI) program.
The reliefs requested, ISI-4, ISI-5, and ISI-8, were to grant relief from certain American Society for Mechanical Engineers (ASME) BoiIer and Pressure
- Code,Section XI inservice volumetric inspection requirements for Class 1 and Class 2
piping system welds in Browns Ferry, Units 1, 2, and 3.
The original proposed Inservice Inspection Program description and requests for relief from inspec-tion requirements were submitted by TVA letter dated October 20, 1976.
Request for relief ISI-8 was approved by an NRC Safety Evaluation Report issued August 30, 1983.
Requests for relief ISI-4 and ISI-5 were not granted.
The visual inspections of the surfaces of concern were to be inspected when the pumps or valves involved were disassembled for maintenance during the interval, and if this did not occur, TVA should then generate requests for relief for the specific components, or groups of components which had not been inspected.
TVA provided additional information for ISI-4 in a letter dated August 29,
- 1988, as well as a revised relief request for ISI-8 in a letter dated September 28, 1988.
The requests, for relief are the following:
ISI-4 concerns postponing visuIal inspection of the inside surfaces of reactor recirculation pumps since the pumps had not.been opened for maintenance, ISI-5 concerns postponing visual inspection of inside surfaces of specific valves since these valves were not opened for maintenance, and relief request ISI-8 concerns relief from 100$ of Code required volumetric examinations of welds because of geometric configura-tion limitations.
This revision of ISI-8 concerns welds in Browns Ferry Unit 2 (BFN2) only.
The staff has reviewed the requests for relief ISI-4, ISI-5 and ISI-8 and finds that they are acceptable with the inclusion of alternative requirements.
The basis for our conclusions is provided in the enclosed Safety Evaluation (SE).
The staff concludes that for ISI-4, ISI-5 and ISI-8, the Code testing require-ments are impractical pursuant to 10 CFR 50.55a(g)(6)(i).
The NRC has imposed AH pDOCK 050002 8911020174 89102'DC
Mr. Oliver J. Kingsley, Jr.
alternative requirements to ISI-4 to provide an acceptable level of quality and safety.
For ISI-5 and ISI-8, the TVA proposed alternatives to the described requirements are acceptable and will provide an acceptable level of quality and safety.
The staff also concludes that: granting relief where the Code requirements are impractical, with the alternative requirements imposed, is authorized by law and will not endanger
'life or property, or the comon defense and security and is otherwise in the public interest considering the burden 'that could result upon TVA if the Code requirements were imposed.
Accordingly, we
- grant the requested reliefs, ISI-4 with the NRC imposed alternative requirements specified in the attached SE and ISI-5 and ISI-8 based upon TVA incorporatir>g the alternate testing requirements specified in the TVA submittals cited above into the appropriate TVA Surveillance Instruction prior to the restart of Browns Ferry Unit 2.
Sincerely, J
J/
JJ
Enclosure:
Safety Evaluation cc w/enclosure:
See next page Distr ibution NRC PDR Local PDR ADSP Reading D. Crutchfield B.
D. Liaw S. Black R. Pierson D. Terao M. S. Little G. Gears D. Moran T. Daniels N. Markisohn OGC T. quay
- SEE PREVIOUS CONCURRENCE Suzanne B ack, Assistant Director for Projects TVA Projects Division Office of Nuclear Reactor Regulation B. Grimes E. Jordan ACRS(10)
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alternative requirements to ISI-4 to provide an acceptable level of quality and safety.
For ISI-5 and ISI-8, the TVA proposed alternatives to the de'scribed requirements are acceptable and will provide an acceptable level of quality and safety.
The staff also concludes that: granting relief where the Code requirements are, impractical, with the alternative requirements imposed, is authorized by law and will not endanger life or property, or the common defense and security and is otherwise in the public interest considering the burden that, could result upon TVA if the Code requirements were imposed.
Accordingly, we grant the requested reliefs, ISI-4 with the NRC imposed alternative requirements specified in the attached SE and ISI-5 and ISI-8 based upon TVA incorporating the alternate testing requirements specified in the TVA submittals cited above into the appropriate TVA Surveillance Instruction prior to the restart of Browns Ferry Unit 2.
Sincerely,
Enclosure:
Safety Evaluation
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See next page Distribution NRC PDR Local PDR ADSP Reading D. Crutchfield B.
D. Liaw S. Black R. Pierson D. Terao W. S. Little G. Gears D. Moran T. Daniels N. Markisohn OGC T. quay
- SEE PREVIOUS CONCURRENCE Suzanne B'lack, Assistant Director for Projects TVA Projects Division Office of Nuclear Reactor Regulation B. Grimes E. Jordan ACRS(10)
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alternative requirements to ISI-4 to provide an acceptable level of quality and safety.
For ISI-5 and ISI-8, the TVA proposed alternatives to the described requirements are acceptable and wi 11 provide an acceptable level of quality and safety.
The staff also concludes that:
- 1) granting relief where the Code requirements are impractical, and 2) alternative requirements may be imposed, is authorized by law and will not endanger life or property, or the common defense and security and is otherwise in the public interest considering the burden that could result upon TVA if the Code requirements were imposed.
Accordingly, we grant the requested reliefs ISI-4 with the NRC imposed alternative requirements specified in the attached SE and ISI-5 and ISI-8 based upon TVA incorporating the alternate testing requirements specified in the TVA submittals cited above into the appropriate TVA Surveillance Instruction prior to the restart of Browns Ferry Unit 2.
Sincerely,
Enclosure:
Safety Evaluation cc w/enclosure:
See next page Distribution 000 NRC PDR Local PDR ADSP Reading D. Crutchfield B.
D. Liaw S. Black R. Pierson D. Terao W. S. Little G.
Gears D. Moran T. Daniels N. Markisohn OGC T.
Quay Suzanne Black, Assistant Director for Projects TVA Projects Division Office of Nuclear Reactor Regulation B. Grimes E. Jordan ACRS(10)
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,Mr. 0'liver D. Kingsley, Jr.
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General Counsel-Tennessee Valley Authority 400 West Summit Hill Drive ET llB 33H Knoxvi 1 le, Tennessee 37902 Mr. F. L. Moreadith Vice President, Nuclear Engineering Tennessee Valley Authority 400 West Summit Hill Drive WT 12A 12A Knoxvi1le, Tennessee 37902 Dr. Mark 0. Medford Vice President and Nuclear Technical Director Tennessee Valley Authority 6N 38A Lookout Place Chattanooga, Tennessee 37402-2801
- Manager, Nuclear Licensing and,Regulatory Affairs Tennessee Va11ey Authority 5N 1578 Lookout Place Chattanooga, Tennessee 37402-2801 Mr. 0. J. Zeringue Site Director Browns Ferry Nuclear Plant Tennessee Valley Authority P. 0.
Box 2000
- Decatur, Alabama 35602 Hr. P. Carier Site Licensing Manager Browns Ferry Nuclear Plant Tennessee Valley Authority P. 0.
Box 2000
- Decatur, Alabama 35602 Mr.
G Campbell Plant Manager Browns Ferry Nuclear Plant Tennessee Valley Authority P. 0.
Box 2000
- Decatur, Alabama 35602
- Chairman, Limestone County Conmission P. 0.
Box 188
- Athens, Alabama 35611 Claude Earl Fox, M.D.
State Health Officer State Department of Public Health State Office Building Montgomery, Alabama 36130 Regional Administrator, Region II U.S. Nuclear Regulatory Commission 101 Marietta Street, N.W.
Atlanta, Georgia 30323 Mr. Danny Carpenter Senior Resident Inspector Browns Ferry Nuclear Plant U.S. Nuclear Regulatory Commission,.
Route 12, Box 637
- Athens, Alabama 35611 Dr. Henry Myers, Science Advisor Committee on Interior and Insular Affairs U.S.
House of Representatives Washington, D.C.
20515 Tennessee Valley Authority Rockvi lie Office 11921 Rockville Pike Suite 402 Rockville, Maryland 20852