ML17252A907

Letter Confirming a 05/17/1974 Conversation Concerning the Discovery of Leakage Past the 1B Main Steam Line Isolation Valve in Excess of Technical Specification Surveillance Requirements - Dresden Unit 3

ML17252A907
Person / Time
Site:	Dresden
Issue date:	05/17/1974
From:	Stephenson B Commonwealth Edison Co
To:	O'Leary J US Atomic Energy Commission (AEC)
References
Download: ML17252A907 (1)

Text

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.~Q-249 1974 MAY f7 AM, 6 49

+ u.s~ :ATOMIC ~NERGY CQMM~

. TWX UNIT USA.EC HQS GTWN wu __ WSH I

TLXA002 WA8277C2159>Cl-04606~C13~>PD 05/16/74 2157 ICS l_PMVEI 8 MVN 02110 .TOVE MORRIJS IL 95 05-16 42-?P COT I

PMS MR .J F O'LEARY DIRECTQ~ DIRECTORIATE ,OF_LiscENSING

. US ATOMIC ENERGY. COMMISSION

.~$ WASHINGTON PC 20545

~.BJ~CT,PPR-2.~. [)RESDE:N NU(;LEAR POWER STATION UNIT 3*

1HIS WILL CONFIRM A CONVERSATION WITH F MAURA Of YQU_R OFFICE

~T ,190~ H01,.JR$. nq_s, DATE. C9NC.ERNJNG. THE. DI SC OVERY DURING WCAL LEAK RATE TESTING OF LEAK!\~E fAST THE 18 MAl~ STEAM LIN~ ISQLAT{ON VALV~ .. i~.~xc~ss OF TH~ $U~VIELANCE REQUIREMENTS

_GIVEN IN SECTION 4.7'-0F THE TECHN.IC~L ;iPEClfIC_ATl9NS THE 1

1 _ LEA.~AGE MEASURED W!\~ 24.*~_SCf.J\T.25 P_SJG* ALL OTHER MAIN STEAM I SOLA_T I ON VALVES HAD LEAD RA 1E ~e.:ss . T_HAN TAG. 1 1

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... .l'GF. AT 25 PSIG MAXIMIM AL,LQW/-\Bl,E

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, I B. 8 STEPHENSON SUPER I NTE_N_DENT .

DRESDEN NUCLEAR POWER_ST~JJON CPMMON~EA~TH ~~ISON COMPANY

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..MORRIS IL.

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REGULATORY DOCKET FILE COPY_

I 4-451 1.?;31.A. E:.DT

.~ l_\ISH .

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...USAEC _HQS GTW_N