ML20052G295
| ML20052G295 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 04/28/1982 |
| 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 8205180224 | |
| Download: ML20052G295 (2) | |
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.e TENNESSEE VALLEY AUTHORIT.Y, CH ATTANOOGA. TENNESSEE 374of f
400 Chestnut Street Tower II April 28,19852 IMY 2 A S,. 0 9 BLRD-50-438/81-65 BLRD-50-439/81-63 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 - TURBINE DRIVEN AUXILIARY FEEDWATER PUMP ROOM TEMPERATURE - BLRD-50-438/81-65, BLRD-50-439/81 SECOND INTERIM REPORT The subject deficiency was initially reported to NRC-0IE Inspector R. V. Celenjak on October 6,1981 in accordance with 10 CFR 50.55(e) as NCR BLN BLP 8124. This was followed by our first interim report dated November 3, 1981. Enclosed is our second interim report. We expect to submit our next report by September 10, 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
. M. Mills, Manager Nuclear Licensing Enclosure cc:
Mr. Richard C. DeYoung, Director (Enclosure)
Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555 PY gglAL CO M7 l
820518OdR4 An Equal Opportunity Employer
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e ENCLOSURE BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2 TURBINE DRIVEN AUXILIARY FEEDWATER PUMP ROOM TEMPERATURE NCR BLN BLP 8124 BLRD-50-438/81-65, BLRD-50-439/81-63 10 CFR 50.55(e)
SECOND INTERIM REPORT Description of Deficiency Additional piping was routed through the turbine-driven _ auxiliary feedwater During extended periods of operating the pump, the turbing-pump room.
driven auxiliary feedwater pump room maximum upset temperature of 120 F, as specified in environmental design criteria N4-50-D749, may be exceeded based on the calculated room cooling load.
Interim Progress TVA has initiated engineering change notice ECN-1435 to alleviate the problem of possibly exceeding the 120 F design maximum upset temperature in 0
the turbine-driven auxiliary feedwater pump room. Ventilation fans will be installed by this engineering change to provide the necessary cooling.
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