ML20039C247
| ML20039C247 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 12/18/1981 |
| 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 8112290114 | |
| Download: ML20039C247 (2) | |
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400 Chestnut Street Tower II December 18','1981.
BLRD-50-439/81-28
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Mr. James P. O'Reilly, Director T
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tr.p O fgg Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission k,',4'41O'Nc,g"'
Region II - Suite 3100
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101 Marietta Street Atlanta,. Georgia 30303
Dear Mr. O'Reilly:
BELLEFONTE NUCLEAR PLANT UNIT 2 - CORROSION OF DIESEL GENERATOR CONTROL PANEL - BLRD-50-439/81 FOURTH INTERIM REPORT The subject deficiency was initially reported to NRC-0IE Inspector J. Celenjak on March 20, 1981, in accordance with 10 CFR 50.55(e) as NCR 1380. This was followed by our interim reports dated April 20, June 25, and October 2, 1981.
Enclosed is our fourth interim report.
We expect to submit our next report by August 31, 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 L. M. Mills, Manager Nuclear Regulation and Safety Enclosure cc:
Mr. Richard C. DeYoung, Director (Enclosure)
Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555
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ENCLOSURE BELLEFONTE NUCLEAR PLANT UNIT 2 CORROSION OF DIESEL GENERATOR CONTROL PANEL BLRD-50-439/81-28 10 CFR 50.55(e)
FOURTH INTERIM REPORT Description of Deficiency One of the Bellefonte diesel generator's control panels wa.s improperly stored onsite by TVA. As a result, the ferrous metal par',3 of the subcomponent voltage regulation panel have oxidized to the extent that the component is not capable of performing the function for 'thich it was intended. In addition, corrosion of other components in the control panel (plates, nuts, and tolts, etc.) of the diesel have rendered it inoperable in its present condition.
Interim Progress The vendor (Transamerica Delaval) has notified TVA that the diesel's damaged voltage regulation panel, a component of control panel 2RT-ELCP-2-B, is beyond repair and cust be replaced. A bid has been submitted and delivery is expected to be 18-20 weeks after award of the bid.
Upon receipt of a replacement diesel voltage regulation panel the re=aining refurbishing on control panel 2RT-ELCP-2-B will be accomplished in accordance with work release No. 23,447. TVA has no firm delivery date on these materials.
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