ML19345G631

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Responds to IE Bulletin 80-21, Valve Yokes Supplied by Malcolm Foundry Co,Inc. All Valve Contractors Contacted to Determine If Any Active Valves Planned for Use Have Malcolm Parts.Supplemental Response Expected by 810522
ML19345G631
Person / Time
Site: Satsop
Issue date: 03/24/1981
From: Dobson D
WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To: Engelken R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
GO3-81-849, IEB-80-21, NUDOCS 8104070659
Download: ML19345G631 (2)


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7'ic Washington Public Power Supply System A JOINT OPERAliNG AGENCY

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A ENFOR;EMENT A/

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Mr. R. H. Engel ken, Direc;or Region V l

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U.S. tbclear Regulatory Commission 6

CI APR0?Ib0l* g Wal%t Creek Plaza, Suite 202

" M ?,wrou As 1990 il. Californic Boulevard Walnut Creek, California 94596 g

Dear Mr. Engelken:

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PROJECT fiOS. 3 AtlD 5 RESP 0 lSE TO IE BULLETIN 80-21 The following actions are being taken to resolve the concerns expressed in the subject bulletin.

f,ll valve contractors that supply valves for WiiP-3/5 have been contacted to determine if any of the active valves planned for use in safety related systcms have valve parts cast by fticolm Foundry Company.

If active safety related valves with potentially faulty material are found, they shall immediately be inspected visually for cracks. Then the manu-facturer of the valves shall either:

a)

Verify that all valve parts cast by flalcolm have mechanical properties in accordance with ASTM material specifications; or b)

Replace defective material and/or valve by an acceptable substitute; or c)

Identify any other corrective actions that may be excercised and the basis for such actions.

4 8104070f g

Washington Public Power Supply System Mr. R. H. Engel ken Page Two Contractor findings are expected by April 24, 1981. The Supply System will issue a supplemental response by May 22, 1981.

Very truly yours, D. E. D0BSON Program Director WNP-3/5 (Acting) cc:

D. Smithpeter,'BPA WNP-3/5 Files, Richland H. D. Thornburg W. Wood, NUS l

N. -- S. Reynolds, D & L Ebasco NY (Licensing).

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