ML20054K716
| ML20054K716 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 06/28/1982 |
| From: | Mills L TENNESSEE VALLEY AUTHORITY |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| REF-PT21-82 10CFR-050.55E, 10CFR-50.55E, NUDOCS 8207060088 | |
| Download: ML20054K716 (2) | |
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TENN ESSEE.,h1,.6EE.Y-A, UTHORITY C H A T T A N OO T. A T T F d N U,5 Q 3 7 4 01 409 Chestnut Street Tower II l,1If'I ]g
- gg'neIdB,1982 Ju BLRD-50-438/82-04 BLRD-50-439/82-04 U.S. Nuclear Regulatory Comission Region II Attn
Mr. James P. O'Reilly, Regional Administrator 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303
Dear Mr. O'Reilly:
BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2 - BONNET STUDS IMPROPERLY TORQUED ON DECAY HEAT REMOVAL VALVES - BLRD-50-438/82-04, BLRD-50-439/82 THIRD INTERIM REPORT The subject deficiency was initially reported to NRC-0IE Inspector R. V. Crlenjak on December 22, 1981 in accordance with 10 CFR 50.55(e) as NCR 1686. This was followed by our interim reports dated January 20 and April 15, 1982. Enclosed is our third interim report. We expect to submit our next report by August 26, 1982. We consider 10 CFR Part 21 applicable to this deficiency.
If you have any questions concerning this matter, please get in touch with R. H. Shell at FTS 858-2688.
Very truly yours, TENNESSEE VALLEY AUTHORITY L. M. Mills, ager Nuclear Licensing Enclosure cc:
Mr. Richard C. D doung, Director (Enclosure)
Office of Inspection and Enforcement U.S. Nuclear Regulatory Comission Washington, DC 20555 oFEll-hCOL M[ h 8207060088 820628 PDR ADOCK 05000438 S
PDR An ranai onnor+nn,ty Emour
ENCLOSURE BELLEFONTE hUCLEAR PLANT UNITS 1 AND 2 BONNET STUDS IMPROPERLY TORQUED ON DECAY HEAT REMOVAL VALVES NCR 1686 BLRD-50-438/82-04, BLRD-50-439/82-04 10 CFR 50.55(e)
THIRD INTERIM REPORT Description of Deficiency The following Porg-Warner (Van Nuys, California) bolted bonnet gate valves were furnished on contract 77K38-86163-8 and were found cy field inspection to have bonnet studs which were torqued to values less than required by the applicable vendor drawing (i.e.,
160-200 foot-pounds).
Borg-Observed Warner Torque Mark No.
Item No.
Drawing No.
Serial No.
(Ft Lbs) 3AWO412-ND-35 636 80140 26165*
50-100 26166 20-100 26167 20-100 26168*
0-180 3AWO412-ND-45 638 80130 26598 20-180 The valves which are installed and operational (as indicated by *) have been retorqued to the value presently required by the vendor drawing.
Interim Progress TVA has not yet received notification from Borg-Warner of all valves supplied to TVA that would be subject to this deficiency. Consequently, this item will remain open until we can establish the adequacy of the corrective actions indicated in TVA's previous report on this deficiency.