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 f 7 AM, 6 49

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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 PMS MR.J F O'LEARY I

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 1TECHN.IC~L ;iPEClfIC_ATl9NS THE 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 I

B. 8 STEPHENSON SUPER I NTE_N_DENT.

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

~.T. 1

.. MORRIS IL.

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REGULATORY DOCKET FILE COPY _

1.?;31.A. E:.DT

.~ l_\\ISH.

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... USAEC _HQS GTW_N I

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