ML20214G593

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Advises That No Westinghouse Type W-2 Control Switches in Facility Safety Sys,In Response to RO Bulletin 74-06, Defective Westinghouse Type W-2 Control Switch Component
ML20214G593
Person / Time
Site: Columbia Energy Northwest icon.png
Issue date: 09/05/1974
From: Stein J
WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To: Engelken R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
Shared Package
ML20214G588 List:
References
CON-WNP-0061, CON-WNP-61 GO2-74-25, IEB-74-06, IEB-74-6, NUDOCS 8605220304
Download: ML20214G593 (1)


Text

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e. o . . . . . . . sooo cao w.. .ro,. w., n ic o. .. w. . . .vo. .. . .. r o .<so.>.4...eei September 5, 1974 G0-2-74-25 Mr. R. H. Engelken, Director Directorate of Regulatory Operations U.S. Atomic Energy Commission Region V P.O. Box 1515 Berkeley, Calif. 94704

Subject:

DR0 BULLETIN NO. 74-6 " DEFECTIVE WESTINGHOUSE TYPE W-2 CONTROL SWITCH COMPONENT"

Dear Sirs:

The subject bulletin requests action to determine the extent of usage of certain switches in safety systems within our WNP-2 facility (Docket 50-397) and that the scheduled date of com-pletion be provided. An investigation of our design details ~

has been conducted by the responsible engineering personnel with the conclusion that there are no Westinghouse Type W-2 control switches in our safety systems.

Very truly yours,

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& J) STEIN Managing Director JJS: MEW:ho a g 111 ,

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