ML20087N857
| ML20087N857 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 03/23/1984 |
| From: | Mills L TENNESSEE VALLEY AUTHORITY |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| NUDOCS 8404050092 | |
| Download: ML20087N857 (2) | |
Text
TENNESSEE VALLEY AUTHORITY CHATTANOOGA. TENNESSEE 37401 400 Chestnut Street Tower II 8'l MAR 2 Alergg3,1984 BLRD-50-439/83-56 U.S. Nuclear Regulatory Commission
. Region II Attn:
Mr. James P. O'Reilly, Regional Administrator 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30303
Dear Mr. O'Reilly:
BELLEFONTE NUCLEAR PLANT UNIT 2 - VALVE FLOODED IN REACTOR BUILDING NORMAL SUMP
- UNIT 2 - BLRD-50-439/83 SECOND INTERIM REPORT The subject deficiency was initially reported to NRC-0IE Inspector P. E.
Fredrickson on December 1, 1983 in accordance with 10 CFR 50.55(e) as NCR 2549 This was followed by our interim report dated December 27, 1983 Enclosed is our second interim report. We expect to submit our next report by July 3,1984.
If you have any questions, please get in tauch with R. H. Shell at FTS 858-2688.
Very truly yours, i
TENNESSEE VALLEY AUTHORITY
)
i L. 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 8404050092 840323 gDRADOCK 05000439 PDR DF#ICIAi, COPY l
l' 1983-TVA SOTH ANNIVERSARY
//1 An Equal Opportunity Employer
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s ENCLOSURE BELLEFONTE-NUCLEAR PLANT UNIT 2 VALVE FLOODED IN REACTOR BUILDING NORMAL SUMP - UNIT 2 BLRD-50-439/83-56 10 CFR 50.55(e)
NCR 2549 SECOND INTERIM REPORT Description of Deficiency The motor-operator of valve (2WL-IFCV-068-B) in the ' liquid waste system was damaged. by flooding of. the reactor building normal sump tank room. An investigation was made into the apparent cause of this deficiency by
-Bellefonte's Division of Construction and has revealed that the flooding was a result of a 'washdown of the unit 2 steam generators. During this washdown, the waste disposal system drain to the sump tank room was inadvertently left open and this resulted in the flooding.of the tank room.
Interim Progress A sequence control chart has been prepared to disconnect the motor operator of-the subject valve. -The valve notor operator will be disconnected and sent to BLN's electric shop for cleanup and inspection. If the motor operator cannot be refurbished onsite, the motor operator will be returned to the vendor (Limitorque) for rework.
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