05000285/LER-1991-007, Forwards Rev 1,providing Suppl Info Re Results of Corrective Actions Including Detailed Walkdown of Motor Control Ctrs & Resolution of twenty-one Coordination Problems Reported in LER 91-007,Rev 0

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Forwards Rev 1,providing Suppl Info Re Results of Corrective Actions Including Detailed Walkdown of Motor Control Ctrs & Resolution of twenty-one Coordination Problems Reported in LER 91-007,Rev 0
ML20134B268
Person / Time
Site: Fort Calhoun Omaha Public Power District icon.png
Issue date: 02/10/1993
From: Gates W
OMAHA PUBLIC POWER DISTRICT
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20134B270 List:
References
LIC-93-0047, LIC-93-47, NUDOCS 9302220162
Download: ML20134B268 (8)


LER-2091-007, Forwards Rev 1,providing Suppl Info Re Results of Corrective Actions Including Detailed Walkdown of Motor Control Ctrs & Resolution of twenty-one Coordination Problems Reported in LER 91-007,Rev 0
Event date:
Report date:
2852091007R00 - NRC Website

text

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Omaha Public Power District P.O. Box 399 Hwy.75- North of Ft. Calhoun Fort Calhoun, NE 680230399 402/636-2000 February 10, 1993 IC-93-0047 V. S. Nuclear Regulatory Commission Attn: Document Control Desk Mail Station PI-137 Washington, DC 20555

References:

1. Docket No. 50-285 2.LER91-007 Revision 00,fromOPPD(W.G. Gates)toNRC(Document Control Desk) dated April 19, 1991 (LIC-91-0015L) 3.LetterfromCPPD(W.G. Gates)toNRC(DocumentControlDesk) dated October 29,1992(LIC-92-325)

Gentlemen:

Subject:

Licensee Event Report 91-007 Revision 01 for the fort Calhoun Station Please find attached Licensee Event Report 91-007 Revision 01 dated February 10, 1993. This revision provides supplemental information regarding the results of corrective actions including a detailed walkdown of motor control centers, resolution of the twenty-one coordination problems reported in LER 91-007 Revision 00, and completion of the Breaker / Fuse Coordination Study.

Information is also provided regarding an additional inadequate coordination identified based on the walkdown data. This additional inadequate coordination had been corrected prior to discovery.

Revisions to the Abstract and Text are denoted by vertical lines in the right margin. This report is being submitted pursuant to 10 CFR 50.73(a)(2)(ii)(B).

. If you should have any questions, please contact me.

Sincerely, A&C E /

W. G. Gates Vice President WGG/jrg 190120 Attachment c: J. L. Milhoan, NRC Regional Administrator, Region IV S. D. Bloom, NRC Project Manager '

R. P. Mullikin, NRC Senior Resident Inspector I 4s sa INP0 Records Center 6 g 9302220162 930210 b PDR ADOCK 0500 (,, jj i s - _ - - - _ _ __ - -- -_ -

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