ML20108C614
| ML20108C614 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 09/24/1984 |
| From: | Mills L TENNESSEE VALLEY AUTHORITY |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| NUDOCS 8411190005 | |
| Download: ML20108C614 (2) | |
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TENNESSEE VALLEYdUTHORIT CHATTANOOGA. TENNESSEE 374ot 4
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.400 Chestnut Street Tower II
,34 SEP 20 Dit }*r 2411984 9
S BLRD-50 -438/84-34 u
- U.S. Nuclear Regulatory Commission
. Region II Attn:-
Mr.' James P.'0'Reilly,; Regional Administrator-
~101.Marietta Street, NW,' Suite-2900;
' Atlanta, Georgia :30323-o s
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Dear Mr. O'Reilly:
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BELLEFONTE NUCLEAR PLANT UNIT,1 - CONDUIT SUPPORT STIFFENER PLATES NOT-INSTALLED PER DRAWING BLRD-50-438/84-34;'J-SECOND INTERIM REPORT
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The -subject deficiency was initially. reported 'to.NRC-0IE Inspector.
- P. E. Fredricks'on on May.10,1984 'in accordance with 110l CFR 50.55(e) as NCR:
-3069.>Thisiwas 'followed by. our interim report dated June 4,1984..Since
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' that. time', NCR 3457,, which documents: a similar condition, ;has also been :-
initiated.l:TVA intends to report _on both NCRs simultaneously. Enclosed is
- our second interim report. ?We expect to. submit' our next report by January 30,;1985..
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If you have'any questions, please get in touch with R. H. Shell at
- FTS 858-2688.-
i Very truly yours,
-TENNESSEE VALLEY AUTHORITY D S be hL.M. Mills, Manager i
Nuclear Licensing Enclosure cc:
Mr. Richard C. DeYoung, 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 8411190005 840924
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PDR ADOCK 05000438 OFFICTAL COPY S
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' An EquM Opportunity Employer 6 k il
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ENCLOSURE 3 ;,.
BELLEFONTE NUCLEAR PLANT UNIT 1 CONDUIT. SUPPORT STIFFENER PLATES NOT INSTALLED PER DRAWING
.BLRD-50-438/84-34 NCRs 3069 AND 3457-10 CFR 50.55(e)-
SECOND INTERIM REPORT Description of Deficiency During a quality control audit, it was identified Lthat two stiffener plates.
for support FF-768-6, Mark No. 31, were installed approximately 2 inches from the proper location as shown on TVA design drawing 4RA0560-X2-32 R3 The support is a seismic category I support for electrical _ conduit carrying safety-related cables. It'is located inside the unit 1 Reactor Building.
TVA has subsequently identified another unit 1 Reactor Building conduit support (768-36/31/5, also shown on drawing series 4RA0560-X2-31-Rh) which is missing the required stiffener plates. This additional deficiency has been documented on NCR 3457.
Interim Progress TVA's Office of Engineering (OE) has evaluated the configuration of support FF-768-6, Mark No. 31, and has determined that the support'is acceptable for use-as-is. Support 768-36/31/5 will also be referred to OE for evaluation and disposition. TVA is still investigating the assignable cause and extent of the subject deficiencies.
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