05000266/LER-1997-032, Forwards LER 97-032-00 Re Discovery of Inadequately Rated Electrical Buses Having Potential to Disable Switchgear & Caused Secondary Fires.Rept Provided in Accordance with 10CFR73(a)(2)(v)(A)

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Forwards LER 97-032-00 Re Discovery of Inadequately Rated Electrical Buses Having Potential to Disable Switchgear & Caused Secondary Fires.Rept Provided in Accordance with 10CFR73(a)(2)(v)(A)
ML20151L229
Person / Time
Site: Point Beach NextEra Energy icon.png
Issue date: 07/30/1997
From: Dante Johnson
WISCONSIN ELECTRIC POWER CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20151L231 List:
References
NPL-97-0435, NPL-97-435, NUDOCS 9708060290
Download: ML20151L229 (1)


LER-2097-032, Forwards LER 97-032-00 Re Discovery of Inadequately Rated Electrical Buses Having Potential to Disable Switchgear & Caused Secondary Fires.Rept Provided in Accordance with 10CFR73(a)(2)(v)(A)
Event date:
Report date:
2662097032R00 - NRC Website

text

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4 k Wisconsin 1 Electnc POWER COMPANY Point Beach Nuclear Plant (414) 755-2321 6610 Nuclear Rd . Two Rivers. WI 54241 NPL 97-0435 July 30,1997 Document Control Desk U.S. NUCLEAR REGUL.ATORY COMMISSION Mail Station Pl 137 Washington, D. C. 20555 Ladies / Gentlemen:

DOCKETS 50-266 AND 50-301 LICENSEE EVENT REPORT 97-032-00 INADEOUATELY RATED ELECTRICAL BUSES COULD DISABLE SWITCHGEAR AND CAUSE SECONDARY FIRES THAT PREVENT SAFE SHUTDOWN PER APPENDIX R POINT BEACH NUCI. EAR PLANT, UNITS 1 AND 2 Enclosed is Licensee Event Report 97-032-00 for Point Beach Nuclear Plant, Units 1 and 2. This report is provided in accordance with 10 CFR 50.73(a)(2)(v)(A),"Any event or condition that alone could have prevented the fulfillment of the safety function of structures or systems that are needed to shut down the reactor and maintain it in a safe shutdown condition." This report describes the discovery that inadequate electrical switchgear ratings had implications on the plant capability to achieve a safe shutdown for Appendix R fire scenarios.

If you require additional information, please contact us.

Sincerely, ,

%o f I Douglas F. Johnson -

Manager, B Mc , i Regulatory Services & Licensing Enclosure cc: NRC Resident inspector NRC Regional Administrator Ig. . j h

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