ML20072R315
| ML20072R315 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 03/29/1983 |
| From: | Mills L TENNESSEE VALLEY AUTHORITY |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| REF-PT21-83 10CFR-050.55E, 10CFR-50.55E, NUDOCS 8304050516 | |
| Download: ML20072R315 (2) | |
Text
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TENNESSEE VALLEY AUTHORITY a>
v r CH ATTANOOGA. TENNESSEE 37401 E
- h 400 Chestnut Street Tower II f-703 jp y -c March 29, 1983
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BLRD-50-439/82-13
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U.S. Nuclear Regulatory Commission Region II Attn:
Mr. James P. O'Reilly, Regional Administrator 101 Marietta Street, NW Suite 2900 Atlanta, Georgia 30303
Dear Mr. O'Reilly:
BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2 - CHECK VALVE LEAK IN AIR START SYSTEM OF STANDBY DIESEL GENERATORS - BLRD-50-438/82-13, BLRD-50-439/82 FOURTH INTERIM R3 PORT The subject deficiency was initially reported to NRC-0IE Inspector R. V.
Crlenjak on February 9, 1982 in accordance with 10 CFR 50.55(e) as NCR BLN MEB 8201. This was followed by our interim reports dated March 3, May 28, and August 30, 1982. Enclosed is our fourth interim report. We expect to submit our next report by January 30, 1984. We consider 10 CFR Part 21 applicable to this deficiency.
If you have any questions, please get in touch with R. H. Shell at FTS 858-2688.
Very truly yours, TENNESSEE VALLEY AUTHORITY 9
Cs L. M. Mills, M ager Nuclear Licensing Enclosure i
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Mr. Richard C. DeYoung, Director (Enclosure)
Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, D.C.
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O ENCLOSURE BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2 CHECK VALVE LEAK IN AIR START SYSTEM OF STANDBY DIESEL GENER NCR BLN MEB 8201 BLRD-50-438/82-13, BLRD-50-439/82-13 10 CFR 50.55(e)
FOURTH INTERIM REPORT
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Description of Deficiency A check valve identical to those installed by Transamerica Delaval, Incorporated (TDI), in the diesel generator starting air system between the air compressor and the air stora3e tanks was found to leak The function of the valve is to allow during a seismic qualification test.
the starting air compressor to charge the storage tank, and then prevent l
I backflow once the tanks are charged.
Interim Progress g
TVA is continuing in our attempt to acquire the necessary information from The latest information obtained TDI to close this nonconformance report.
from TDI stated that the " assignable cause" and " action required to prevent recurrence" was not information that TDI is required to submit to TVA for TVA has requested that TDI submit a quotation for each 10 CFR 21 notice.
this information.
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