ML20133E287
| ML20133E287 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 03/29/1985 |
| From: | Hufham J TENNESSEE VALLEY AUTHORITY |
| To: | Grace J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| REF-PT21-85-326-000 PT21-85-326, PT21-85-326-000, NUDOCS 8507220450 | |
| Download: ML20133E287 (2) | |
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TENNESSEE VALLEY AUTHORITY CHATTANOOGA. TENNESSEE 374o1 4g Cp a nut Street Tower II 09,1985 arc BLED-50-438/84-58 U.S. Nuclea* Regulatory Ccunmission Region II Attn:
Dr. J. Nelson Grace, Regiomi Ackninistrator 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323
Dear Dr. Grace:
BELLEFCNTE NUCLEAR PLANT INIT 1 - EXCESSIVE WIRING IEFICIENCIES IN BABCOCK AND WILCOX SUPPLIED CABINETS - BLRD-50-438/84 SECOND INTERIM REPORT The subject deficiency was initially reported to NRC-0IE Inspector P. E. Fredrickson on November 14, 1984 in accordance with 10 TR 50.55(e) as NCR 3675.
Our first interim report was sutinitted on December 12, 198't.
Enclosed is our second interim report. We expect to subnit our next report on er about July 3, 1985. We consider 10 TR 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 J. W. Huf ham, Mana. r Licensing and Regulations Enclosure cc:
Mr. James Taylor, Director (Enclosure)
Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, D.C.
'20555 Records Center (Enclosure)
Institute of Nuclear Power Operations 1100 Circle 75 Parkway, Suite 1500 Atlanta, Georgia 30339 8507220450 850329 PDR ADOCK 05000438 S
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<E A1 An Equal Opportunity Employer
ENCLOSURE BELLEF(NTE NUCLEAR PLANT INIT 1 OMISSICW OF WATER )EIGIT IN VALVES IN PIPING ANALYSIS BY TELEDYNE BLRD-50-438/84 -58 NCR 3675 10 &R 50.55(e)
SECOND IN1ERIM REPORT Description of Deficiency The emergency safegtards features actuation system (ESFAS) control cabinets for Bellefonte Nuclear Plant (BLN) were supplied to TVA by Babcock and Wilcox (MW) on the BLN NSSS contract. The initial site iropection of these cabinets resulted in at least 68 separate nonconformance reports (NGs) being issued for wiring and drawing deficiencies. A large ntaber of the NCRs identify installed wiring which cbes not conform to B&W drawings with mapect to color codes, wim size, or configuration. Several NCRs identify breakers which are of a higher rating than the MW daawings show. While rene of these 68 NGs represent a significant conditicu adverse to quality on an individual basis, they collectively indicate a significant breakdown in MW's quality assuranoe/ quality control (QA/QC) program for BLN.
Interim Progress B&W has been notified of the subject individual NCRs and the need to evaluate vendor QA/QC programs to prevent recurrence of equipnent deficiencies. MW is proceeding with corrective action to maolve each individual NCR and has scheduled an audit fcr the purpose of determining the root cause of the wiring deficiencies.
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