ML17252A979

Letter Confirming a 05/21/1973 Conversation Concerning Isolation Condenser High Condensate Flow Isolation DPIS3-1349B Being Out of Calibration on 05/15/1973 - Dresden Unit 3

ML17252A979
Person / Time
Site:	Dresden
Issue date:	05/25/1973
From:	Worden W Commonwealth Edison Co
To:	Grier B US Atomic Energy Commission (AEC)
References
Download: ML17252A979 (2)

Text

UNITED STATES ATOMIC ENERGY COMMISSION DIVISION OF COMPLIANCE

• . REGION Ill 799 ROOSEVELT ROAD TELEPHONE GLEN ELLYN, ILLINOIS 60137 (312) 858-2660 REGULATORY OPERATIONS, REGION III A. RO Inspection Report No.

Tr~nsmittal Date

• Distribution:* Distribution:

RO Chief, RT&OB or RO Chief, RCB. RO Chief, M&FFB RO:HQ (5) RO: HQ (4)

• DR Central Files L:D/D for Fuel & Materials Regulatory Standards (3) DR Central Files .

Licensing ( 13)

• B. RO Inquiry Report No.

Transmittal Date

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Distribution: *.Distribution:

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• Regulatory Standards (3)

Licensing ( 13)

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• Incident Notification From: Commonwealth Edison Co. DPR-25 .7g:?-:e.,C7*

(Licensee & Docket No. (or License No.)

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Transmittal Date May 25, 1973 Distribution: Distribution:.

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DIRECTOR DIVISION bF :*ca MPL IA~~cE REG lO~N THRE:E U$ /\ Tn MTf" n~v****v ENERGY COMMISSION TELEX 799 "ROOSEVELT RD

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GLENN ELLYN ILL 60137 ~

( SU3JECT DPR-25 DRESDEN NEUCLEAR Pq_~;-~ ___ SJ.flTION UNIT 3: -

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THIS WILL CONFIRM A CONVERSATION WITH MR FRED MAURA:OF 'youR

( OFFICE Al 1320 HOURS THIS DATE CONCERNING ISOLATION >CONDENSER.

• HIGH CONDENSATE FLo.w' ISOLATIO.N DPIS3-13493 BEING OUT OF. ..

c ~:L~~~R:~ ~O~;73 ;Hii/INSIRUMENT MECHANICS FOUND  ;~*l~ :. . . .* * <'. '; (

~WITCH TO HAVE A.* TRIP SETTING OF 3i.7 INCHES OF~WATER ,,..

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DIFFERENTIAL WHICH EXCEEDS THE TECHNICAL SPECIFI,CA!IONS LIMIT OF 32.

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.(_ INCHES OF. WATER.THE SWITCH WS RESET TO~TRIP AT 2~.5 ** '.1**

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