ML20032E703
| ML20032E703 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 11/13/1981 |
| 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 8111200830 | |
| Download: ML20032E703 (2) | |
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TENNESSEE VALLEY At#N6MifiEGON ::
i CH ATTANOOGA. TENNESSEE Id 1 1,00 Chestnut Street Tower II 31tl0V17
^ S 3g November 13, 1981 BLRD-50-438/81-50 BLRD-50-439 /81-52 Mr. James P. O'Reilly, Director Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Region II - Suite 3100 101 Marietta Street Atlanta, Georgia 30303
Dear Mr. O'Reilly:
BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2 - MAIN STEAM VALVE ROOM A PIPE ANCHOR SUPPORT LOADS - BLRD-50-438/81-50, BL.lD-50-439/81 THIRD INTERIM REPORT l
The subject deficiency was initially reported to h. 0-0IE Inspector R. V. Crlenjak on July 23, 1981 in accordance with 10 CFR 50.55(e) as NCR BLN BLP 8120. This was followed by our interim reports dated August 18 and October 6, 1981. Enclosed is our third interim report. We expect to submit our next report by February 11, 1982.
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
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L. M. Mills, Manager Nuclear Regulation ana Safety Enclosure cc:
Mr. Victor Stello, Jr., Director (Encl sure)
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4 ENCLOSURE BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2 MAIN STEAM VALVE ROOM A PIPE ANCHOR SUPPORT LOADS j
BLRD-50-438/81-50, BLRD-50-439/81-52 10 CFR.50.55(e)',
THIRD INTERIM REPORT Description of Condition j
I Two main steam pipe anchors and one feedwater pipe anchor (six-way restraints) per unit are attached to the R-line wall in the A main steam The original design of the R-line wall and roof slabs was valve rooms.
accomplished utilizing preliminary loads and preliminary anchor design concepts. The anchor design was then completed and the actual anchor embedment loada determined. The actual loads were significancly higher than the preliminary design loads, but the R-line wall and roof slabs were I
not reevaleated.
Interim Progress Vertical stiffening walls are being designed to resist the applied anchor loads. Additional information will be supplied upon completion of the design.
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