ML20086S139
| ML20086S139 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 02/22/1984 |
| From: | Mills L TENNESSEE VALLEY AUTHORITY |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| NUDOCS 8403010376 | |
| Download: ML20086S139 (2) | |
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,. TfNNESSEE VALLEY AUTHORITY
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ATTANOOGA, TENNESSEE 374ot p$f 9. "-- '_400 ' Chestnut Street Tower II g3 - pe GW2
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UX.'NuoleibRegulat6ryConsission Region II N
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y QAttnh Mr.: Jnies P. 'O'Reilly,. yegiomi Administrator
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p? d BELLEFOsTE HUCLEAR PLANT. UNITS 1 AND 2 - WELDS ON VENDOR (TRANSAMERICA DELAVAL g c AND:ITE IMPARIAL;) ASSEMBLIES DO. NOT MEET REQUIREMENTS -. BLRD-50-438/83-41, vBLRD 439/83.-354 ; FINAL REPORT a-2:
p Tny; QThd subjectfdeficiedoy was initially reported to NRC-0IE Inspector L. Watson -on
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~~' m -June 1SM:1933 in'accordance with 10 CFR 50.55(e).as NCR 2389. This was followed by our..interls reports dated. July 14 and December 2,1983.. Enclosed is. our final report.NA twofseek delay of this submittal was discussed with NRC-0IE
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Inspector P. E. Fredrickson. on February _1,1984.
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-4 TVA does not now consider the subject nonconforming condition adverse to the A@.,. b - safeTop' erat' ion of i;he pidnt. Therefore, we will amend our rec J'F
% :subjiot ',nonconfor.sm,nce as a'10 CFR 50.55(e) item..
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' 'If you 'have any quet.tions, please get.:in touch with R. H. Shell at
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TENNESSEE; VALLEY AUTHORITY N
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-L. M. Mills, Manager
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4 Nuolear Licensing
.f Enclosure
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' Mr; Richaid C. DeYoung, Director
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- 0ffide[off1'nspection. and Enforcement 4
U.S. Nuclear Regulatory Commission
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?NCLOSURE BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2
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' WELDS l0N VENDOR (TRANSAMERICA DELAVAL AND ITE IMPERIAL) ASSEMLBIES DO -NOT. MEET REQUIREMENTS BLRD-50-438/83-41, BLRD-50-439/83-35
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FINAL REPORT Description'of Deffeiency
. Some of the welds 'on ~ safety-related electrical switchgear panels supplied by ITE Imperial Corporation, Knoxville, TN (ITE),- appear to violate the acceptance
. criteria delineated in ths vendor's QA manual. Similar deficiencies have been
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noted on the standby diesal-generator (DG) control panels: supplied by Transamerica Delaval (TD),; Oakland, CA,.that apparently. violate American Welding
- Society. ( AWS) ' D1.1 acceptance-criteria.."
rSafet'y Implications
. As' noted-in -ourisecond repcrt on this nonconformance, TVA reviewed the functional requirements and quality of the suspect switchgear panel -
' been - fabricated in conformance with ITE specifications and acceptable
'fori "use-as-is" status. _. TVA-provided a, detailed response to this
- concern -in ~ our response to violation 50-438, 439/83-15-04,J dated
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November. 23 --1983
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1 As noted in our= first mport on this nonconformance, TVA. determined b-that one 'or the' DG control panels ' supplied ' to the BLN project was the
- panel seismLoally qualified ~ by TD in support of TVA's contract :
requirements. 4TVA identified : the qualified panel and' compared the type, location,.and quality :of welds on the other three :DG control
- panels with~ the welds.on the qualified panel. TVA ' determined that the l
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four panels :Were basically similar in construetion with only slight" variations and that no -severe or adverse welding defects were noted in
' anyL of the panels. : Consequently, TVA accepts the panels 'for "use-as-
- is."
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-Based on these-findings,. TVA has determined.that no condition adverse and,.themfore,- the cited concems areinot mportable%p Lto safety exist lunder.. the ' provisions of - 10 CFR ~ 50.55(e).
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