ML20090D684

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Responds to Re Failure of Atwood & Morrill Msivs. Valves Present Outside Drywell.Insp of Valves Scheduled for 720402 Outage
ML20090D684
Person / Time
Site: Nine Mile Point, 05000000
Issue date: 12/07/1971
From: Schneider F
NIAGARA MOHAWK POWER CORP.
To: James O'Reilly
US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20090D651 List:
References
NUDOCS 8303020277
Download: ML20090D684 (1)


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N I A G A R A'M O H AW K PowEn Cowea r> A rion NtAGAR A MOH A A K

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Decenber 7, 1971 Mr. James P. O'Reilly - Direetor United States Ate le Ener;y Cc" ^:ission Division of Compliance - Region 1 970 Broad Street Neunrk, New Jersey 07102 Docket No. 50-220 Gentleren:

Thank you for your letter of November 2!, 1971 apprising us of the failure of an AtwooJ and Morrill valve installed as a main steam isolation valve at another utility, ice have checked into those installed at Nine ? tile Point Nuclear Station and find that the main steam isolution valves out-side the drywell are of this sane nanufacture and type. Therefore we have two valves with the type N2K dash pots and operators of the !!ydr o-Line Manufacturing Company Model 612-003-1B.

Our next 3cheduled outage cone:enses April 2,1972 and we.

would inspect then at this time. The results of the inspection will be supplied to you as your letter suggests.

Very truly yours, I s

i. J. Schneider Vice Pres iJt-nt - Operatleas FJ5:pw

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