ML17252A491

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Letter Confirming a 08/28/1974 Conversation Concerning a Failure to Maintain the 3A Core Spray Discharge Header in a Filled Condition - Dresden Unit 3
ML17252A491
Person / Time
Site: Dresden Constellation icon.png
Issue date: 10/23/1974
From: Stephenson B
Commonwealth Edison Co
To: James Keppler
US Atomic Energy Commission (AEC)
References
Download: ML17252A491 (2)


Text

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UNITED STATES ATOMIC ENERGY COMMISSION DIRECTORATE OF REGULATORY OPERATIONS REGION Ill 799 ROOSEVELT ROAD TELEPHONE GLEN ELLYN, ILLINOIS 80137 (312) 858-2860 A. RO Inspection Report No.

Transmittal Date Distribution: Distribution:

RO Chief, FS&EB RO Chief, FS&EB RO:HQ (5) RO:HQ (4)

DR Central Files \ . L:D/D for Fuels & Mate'rials Regulatory Standards (3) DR Central Files Licensing (13) RO Files RO Files B. RO Inquiry Report .No.

Transmittal Date Distribution: Distribution:

RO.Chief, FS&EB RO Chief, FS&EB RO:HQ (5) RO:HQ DR Central Files DR Central Files Regulatory Standards (3) RO Files Licensing (13)

RO Files C. Incident Notification From: Commonwealth Edison Co. Docket NO. 50-249 (Licensee & Docket No. (or Licerise No.)

Transmittal Date October 23, 1974 Distribution: Distribution:

RO Chief, FS&EB RO Chief, FS&EB

. RO :HQ (4) . RO:HQ (4)

Licensing (4) L:D/D for Fuels & Materials DR Central Files DR Central Files RO Files RO Files

( . .. 19/11 IJUG 28 PM ~: -32 .

c VEE305C 1833> Cl-040888C240> PD 08/2817 4 1829 ICS IPMVEIA MVN 01317 PDC TOVE MORRIS IL 144 08-28 330P CDT

  • PMS JAMES G KEPPLER REGIONAL DIRECTOR .. _*_ *'* *_ TELEPHONE NBR ...::; I~ -B.5A-;-Q000

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DIRECTORATE OD REGULATOR ~PERATI~N. 1'SLEPHONED To,...5f11_ -- y ,l/{o REGION 3 WUX . . . "'TE DLD ____ £)d1:TIME q~5J4

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GLENN ELLY~ ILL 60137 -RTE 'llf!A 1lti ft. . ... *------------------------------*-----------

SUBJECT:

DPR-25, DRESDEN .NUCLEAR POWER STATION UNIT 3 -

THIS WILL CONFIRM A CONVERSATION ~ITH F. MAURA ~F YOUR OFFICE

\ . .

~: ..** AT 1420 HOUR THIS DATE CONCERNING* A- FAILURE TO MAINTAIN

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-. THE 3A CORE SPRAY DISCHARGE HEADE~ .IN A FILLED .

CONbITION AS.

8 1201 mtflRED BY SPECIFICATON 3.5.H OF THE TECHINIDAL SPECIFICATIONS

  • ... / '

-- . - .. - ~

  • ON 8-28-74 AT APPROXIMATELY SAM FOLLOWI~G THE COMPLETION OF A

. CORE SPRAY PUMP SURVEIL ~AN~E TEST CON~UCTED IN*.

1 ANTICIPATION OF A PL~ANED DIESEL GENERATOR INSPECTION IT WAS

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... _ ~- *_ NOTED THAT THE PRESSURE INDICATED ON THE 3A CORE SPRAY DISCHAGE HEADER WAS BELOW THE *NORMAL 80 PSIG. INVESTIGATION REVEALED THAT THE PUM? DISCHARGE STOP CHECK HAS APPARENTLY NOT SEATED FULLY ALL01NING THE HEADER TO DE-PRESSURIZE c- THE SITUATION WAS RECTIFIED BY lOAM ON 8-28-74 AND THE HEADER VENTED THE PRESSURIZED NORMALLY ADDITIONAL DETAILS ARE FORTHCOMING

(; IN THE FORM OF A 10 DAY LETTER.*

0- .

0 8 8 STEPHENSON 0

SUPERTENDENT DRESDEN NUCLEAR POWER STAT ION c sF-1201 C'O'MMONWEALTH ED DISON CO RR 1 _.

MORRIS IL 60450 NNNN

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