ML20027D619
| ML20027D619 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 11/01/1982 |
| 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 8211080165 | |
| Download: ML20027D619 (2) | |
Text
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..x, TENNESSEE VALLEY AUTHORITY
- CH ATTANOOGA, TENNESSEE 37401 400 Chestnut Street Tower II
' November 1,'1982 BLRD-50-438/82-04 BLRD-50-439/82-04 1
U.S. Nuclear. Regulatory Commission z
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. Region II Q
i?j Attn:
Mr. James P. O'Reilly, Regional-Administrator Qo g
101 Marietta Street, Suite 3100
?u Atlanta, Georgia -30303 3
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Dear Mr. O'Reilly:
La BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2 - BONNET STUDS IMPROPERLY TORQUBD-ON
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DECAY HEAT REMOVAL VALVES - BLRD-50-438/82-04, BLRD-50-439/82 FIFTH IlffERIM REPORT The subject deficiency was initially reported to NRC-0IE Inspector
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R. V. Celenjak 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, April 15, June 28, and August' 24, 1982. Enclosed is our fifth interim report. - We expect to submit our next report by January 11, 1983 We
-consider 10=CFR Part 21 applicable to this deficiency.
-Iff 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 i
Nuclear Licensing i --
Enclosure oc:
Mr. Richard C..DeYoung, D'tr3ctor (Enclosure)
Office of Inspection and Enforcement i
U.S. Nuclear Regulatory Commission
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Washington, D.C.
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NN/CJ,gLCOpy;j 8211080165 821101 PDR ADOCK 05000438 S
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Y[ d An Equal Opportunity Employer
ENCLOSURE BELLEFONTE NUCLEAR PLANT UNIT 31 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)
FIFTH INTERIM REPORT Description of Deficiency The following Borg-Warner (Van Nuys, California) bolted bonnet gate valves were furnished on contract 77K38-86163-8 and were found by 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 261688 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 still 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 TVA 'can establish the e.dequacy of the corrective actions indicated in TVA's previous reports on this deficiency.
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