ML20052G543
| ML20052G543 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 04/27/1982 |
| From: | Mills L TENNESSEE VALLEY AUTHORITY |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| 10CFR-050.55E, 10CFR-50.55E, NUDOCS 8205180449 | |
| Download: ML20052G543 (2) | |
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TENNESSEE VALLEY AUTMpgg dtNQ I
CH ATTANOOGA. TENNESSEE 3 400 Chestnut Street Tower II 4 0, OU April 2
BLRD-50-438/81-70 BLRD-50-439/81-69 U.S. Nuclear Regulatory Commission
-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 - UNCOORDINATED DESIGN CHANGE -
BLRD-50-438/81-70, BLRD-50-439/81 FINAL REPORT The subject deficiency was initially reported to NRC-0IE Inspector R. V. Crlenjak on October 28, 1981 in accordance with 10 CFR 50.55(e) as NCR BLN CEB 8109. This was followed by our interim reports dated November 24, 1981 and March 9, 1982. Enclosed is our final report.
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, Manager Nuclear Licensing
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Enclosure cc:
Mr. Richard C. DeYoung, Director (Enclosure)
Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC\\ 20555 r
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An Equal Opportunity Employer
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O ENCLOSURE BELLEFONTE NUCLEl.R PLANT UNITS 1 AND 2 UNCOORDINATED DESIGN CHANGE NCR BLN CEB 8109 BLRD-50-438/81-70, BLRD-50-439/81-69 10 CFR 50.55(e)
FINAL REPORT Description of Deficiency TVA drawings 1RW0407-X2-3R11 and 1RWO404-X2-01R6 were submitted, recommended, and approved by the TVA Division of Engineering Design Civil Engineering Branch under an Engineering Change Notice (ECN) S1 designation (i.e., minor change). These revisions incorporated the addition of a
" hydrogen-vent penetration" which may represent a change which should have j
been coordinated with other affected organizations.
Safety Implications Failure to properly coordinate a safety-related design change could result in a deficiency remaining undetected which would adversely affect plant safety.
Corrective Action The penetration sleeve that was labeled " hydrogen vent penetration" is a spare penetration sleeve and is not scheduled for use. The drawings affected were revised to reflect this and were issued on January 20, 1982.
Therefore, corrective action for this deficiency is complete.
It has been determined that the cause of this deficiency is the failure to follow the intent of the TVA Division of Engineering Design Engineering Procedure (EP) 4.02 as it relates to the use of an ECN S1 designation. To prevent recurrence of this deficiency, a reassessment and revision of EP.
4.02 is being performed. This revision will apply to all TVA nuclear plants and will be issued on or before November 12, 1982.
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