ML20062K434

Interim Deficiency Rept Re Dc Sys Battery Cables.Initially Reported on 820312.All Necessary Design Change Notices Issued to Field.No Work on Cables Initiated.Next Rept Expected 821203

ML20062K434
Person / Time
Site:	Fermi
Issue date:	08/06/1982
From:	Wells D DETROIT EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
10CFR-050.55E, 10CFR-50.55E, EF2-59385, NUDOCS 8208170192
Download: ML20062K434 (2)

Text

.

. g Donald A. Wells

- U.

O aip A%urance Edison FEE 5=*

August 6,1982 EF2-59385 S$ "34 l Mr. James G. Keppler, Regional Mministrator Region III U.S. Nuclear Regulatory Cam 11ssion 799 Roosevelt Road Glen Ellyn, Illinois 60137 ,

Subject:

Interim Report of 10CFR50.55(e) Item on Battery Cables (#61)

Dear Mr. Keppler:

This additional interim report on the battery cables problem has been pre-pared to provide you with the current status of this problem.

The problem was originally reported to Mr. J. Neisler of NRC Region III by Detroit Edison's Mr. J.D. Ryan, Quality Assurance Engineer, on March 12, 1982.

During the course of a review of the D.C. system for battery load curve data, it was discovered that scme cables were inadequately sized. The circuits were primarily associated with motor operated valves and switch gear, where long lengths of cable were used. Approximately 35 circuits were affected.

All Design Change Notices (DCNs) necessary to make the cable changes have been issued to the field. At the present time, work on the cables has not been initiated.

Another report on this item, either interim or final, is scheduled to be sent to you on or before December 3,1982. If you have questions concerning this matter, please contact Mr. G.M. Trahey, Assistant Director - Project Quality Assurance.

Very truly yours,

" P k DAW /DF/cp 8208170192 820806 PDR ADOCK 05000341 'Al)8 1 2 S PDR Y[M

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Mr. James G. Keppler, Regional Administrator August 6,1982 h Page ho EF2-59385 4

. cc: Mr. Richard DeYoung, Director Office of Inspection and Enforcement ,

, Division of Reactor Inspection Programs '

Washington,'D.C. 20553 Mr. Bruce Little, Resident Inspector U.S. Nuclear Regulatory Ccmnission '

6450 North Dixie Highway

, Newport, Michigan 48166 5 i,

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