ML18026B199
| ML18026B199 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 08/22/1984 |
| From: | Vassallo D Office of Nuclear Reactor Regulation |
| To: | Parris H TENNESSEE VALLEY AUTHORITY |
| References | |
| NUDOCS 8409050071 | |
| Download: ML18026B199 (5) | |
Text
Docket Nos. 50-259/260/296 Mr. Hugh G. Parris Manager of Power Tennessee Valley Authority 500 A Chestnut Street, Tower II Chattanooga, Tennessee 37401
Dear Mr. Parris:
SUBJECT:
RECIRCULATION INLET NOZZLE SAFE ENDS Re:
Browns Ferry Nuclear Plant, Units I, DISTRIBUTION NRC PDR Local PDR ORB¹2 Rdg DEisenhut OELD EJordan JNGrace DClark WLong SNorris ACRS (10)
Gray File 2p and 3
Philadelphia Electric Company (PECo) has reported that cracks have been detected in the recirculation system inlet nozzle safe-ends on Peach Bottom Unit 2.
The cracks are located in the zone near the weld attaching the thermal sleeve to the inside of the safe end.
At the request of NRC, PECo is presenting the results of the inspections to the NRC staff in a meeting to be held in room P-118 of'he Phillips Building in Bethesda, MD on August 30, 1984, starting at I:00 pm.
Based on discussions with your staff, you are requested to have representatives present at the meeting on August 30, 1984 prepared to discuss:
I) the design of the recirculation inlet nozzle safe ends in the Browns Ferry Units (including material composition, fabrication, etc.),
2) the results of any previous inspections of these safe ends (including inspection procedures) and 3) your plans for future inspection of the recirculation inlet nozzle safe erids in Browns Ferry Units I, 2, and 3.
An agenda for the meeting is enclosed.
For additional information, contact the NRC Browns Ferry project manager.
Sincerely,
Enclosure:
As stated OI'if'gggeg b~.
Domenic B. Yassallo, Chief Operating Reactors Branch ¹2 Division of Licensing CC:
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Mr. Hugh G. Parris Tennessee Valley Authority Browns Ferry Nuclear Plant, Units 1, 2 and 3
CC:
H.
S.
Sanger, Jr.,
Esquire General Counsel Tennessee Valley Authority 400 Commerce Avenue E
11B 330 Knoxville, Tennessee 37902 Mr. Ron Rogers Tennessee Valley Authority 400 Chestnut Street, Tower II Chattanooga, Tennessee 37401 Mr. Charles R. Christopher
- Chairman, Limestone County Commission Post Office Box 188
- Athens, Alabama 35611 Ira L. Meyers, M. D.
State Health Officer State Department of Public Health State Office Building Montgomery, Alabama 36130 Mr. H.
N. Culver 249A HBD 400 Commerce Avenue Tennessee Valley Authority Knoxville, Tennessee 37902 James P. O'Reilly Regional Administrator Region II Office U. S. Nuclear Regulatory Commission 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303 U.
S.
Environmental Protection Agency Region IV Office Regional Radiation Representative 345 Courtland Street, N.
W.
Atlanta, Georgia 30308 Resident Inspector U. S. Nuclear Regulatory Commission Route 2, Box 311
- Athens, Alabama 35611 Mr. Donald L. Williams, Jr.
Tennessee Valley Authority 400 West Summit Hill Drive, W10B85 Knoxville, Tennessee 37902 George
- Jones, Manager, BFNP Tennessee Valley Authority Post Office Box 2000
- Decatur, Alabama 35602 Mr. Oliver Havens U.
S. Nuclear Regulatory Commission Reactor Training Center Osborne Office Center, Suite 200 Chattanooga, Tennessee 37411 James A. Coffey Site Director, BFNP Tennessee Valley Authority Post Office Box 2000
- Decatur, Alabama 35602
0 Meeting With Philadelphia Electric Company And Other Interested Utilities
SUBJECT:
REVIEW OF RECENTLY REPORTED CRACKING AT THE SAFE END TO THERMAL SLEEVE ATTACHMENT l'lELD RECIRCULATION INLET NOZZLES AT PEACH BOTTOM 2, AND POTENTIAL GENERIC IMPLICATIONS AGENDA I.
Presentation by Philadelphia Electric Company A.
Introduction a.
Overview of results of recent inspections B.
Technical Discussions I)
Description of the safe
- end, thermal
Details of recent and past examination methods and results on Peach Bottom Units 2 and 3.
3)
Postulated reasons for, and mechanism of cracking.
4)
Safety Implications 5)
Proposed repair method 6)
Perceived Generic implications II.
Presentations by other Utilities, (TVA and Commonwealth Edison).
A.
Design 8 material configurations/comparisons B.
Past inspection methods, results, and present and future plans.
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