ML17173A981

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Forwards Description & Drawings from GEI-92807 for Plant Type Control Rod Drive Hydraulic Control Units,Ac Motor Control Ctr Spec & GE Drawing for Motor Control Ctr
ML17173A981
Person / Time
Site: Dresden Constellation icon.png
Issue date: 07/16/1979
From: Janecek R
COMMONWEALTH EDISON CO.
To: Eisenhut D
Office of Nuclear Reactor Regulation
Shared Package
ML17173A982 List:
References
NUDOCS 7907190563
Download: ML17173A981 (2)


Text

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1 Commonwe One First Nationa dison za, Chicago, Illinois Address Reply to: Post Office Box 767

,. Chicago, Illinois 60690 July 16, 1979 Mr. Darrell G. Eisenhut, Acting Director Division of Operating Reactors U.S. Nuclear Regulatory Commission Washington, D.C. 20555

Subject:

Dresden Station Unit 2 Systematic Evaluation Program Seismic Review NRC Docket No. 50-237

Dear Mr. Eisenhut:

The following is provided in response to the request for information in Enclosure 1 to Reference (a).

Item 1 Description and drawings from GEI-92807 for the Dresden 2 type control rod drive hydraulic control units and from GEK-39469B for the 7618500 hydraulic control units are enclosed to demonstrate the similarity of the units.

Item 2 The Dresden 2 A.C. motor control centers have been confirmed to be G~E. 7700 line.

  • The A.C. ;motor control center specification and a G~neral Electric drawing for MCC 25-1 are attached.

To date, Cu"tler-Hammer has been unable to supply any information on the Dresden*2 D.C. motor control centers to verify similarity. The D.C. motor control center specification, cutler-Hammer's proposal, Cutler-Hammer drawings 94D9801ED745 Sheets 1 through 12, and four Cutler-Hammer instruction sheets are attached.

7907190505 I/OJ. f

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50-237 Mr.

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Please. address ~any questions you may have concerning thii matter to this:bffice~

Very truly yours,

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  • Robert F. Janecek .*.

Nuclear.~ Licensing Administrator Boilirig*water Reactors attac.hrnents

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