ML20235E474

Forwards Util 721021 Rept of Failure of Core Spray Pump Motor Air Circuit Breaker to Close on Test at Plant

ML20235E474
Person / Time
Site:	Quad Cities, 05000000
Issue date:	10/25/1972
From:	Skovholt D US ATOMIC ENERGY COMMISSION (AEC)
To:	Seiss C Advisory Committee on Reactor Safeguards
Shared Package
ML20235B311	List: IA-87-111, Submits Rept on Plant,As Discussed in ACRS 150th Meeting on 721012-14.Listed Items Can Be Resolved During Const & Facility Can Be Constructed W/Reasonable Assurance for Operation W/O Undue Risk to Public Safety IR 05000254/1972009 IR 05000358/1972003 IR 05000358/1973001 IR 05000358/1973002 IR 05000358/1973003 IR 05000358/1973005 IR 05000358/1973006 IR 05000358/1973007 IR 05000358/1974001 IR 05000358/1974002 IR 05000358/1974003 IR 05000358/1975004 ML20235B308 ML20235B364 ML20235B401 ML20235B405 ML20235B424 ML20235B456 ML20235B461 ML20235B465 ML20235B477 ML20235B488 ML20235B507 ML20235B552 ML20235B582 ML20235B585 ML20235B588 ML20235B605 ML20235B618 ML20235B623 ML20235B649 ML20235B656 ML20235B662 ML20235B670 ML20235B679 ML20235B683 ML20235B687 ML20235B702 ML20235B708 ML20235B713 ML20235B714 ML20235B718 ML20235B720 ML20235B730 ML20235B734 ML20235B748 ML20235B754 ML20235B762 ML20235B764 ... further results
References
FOIA-87-111 NUDOCS 8709280129
Download: ML20235E474 (1)

Text

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l October 25, 1972 i

.' Docket Nos ' 0-254 and 50-2 f '

i Dr. Chester P. Siess

, Chairman, Advisory Comunittee .

' on Reactor Safeguards .

i U. S. Atomic Energy Comunission Washington, D. C. 20545 f

Dear Dr. Siess:

i Sixteen (16kopies of the following are transmitted for the Comunitt,ee's information:

TW1 from Commoestealth Edison Company dated October 21, 1972:

reporting failare of a core spray ramp usotor air circuit

. breaker to close on test at Quad-Cities Units 1 and 2.

i Since rely, Distribution "

.-fkT6et Files .

Branch Reading g /[. *-

N .

$onaldJ. hovholt Assistant Director for Operating Reactors Directorate of Licensing

Enclosures:

As stated '

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' O"k TLXA163 W AD106(1838)(1-022127D295-001)PD 10/21/72 1836 ICS IPMWAWD WSH SUSPECTED DUPLICATE l-016358C295002 WAC 082 ICS IPMVEID ZCZC 142 D JW PDF TDVE CORDOVA ILL 21 !!53A CDT PMS MR ANGELO GIAMBUSSO FONE AND MC DEPUTY DIRECTOR DIRECTORY OF LICENSING USAEC WASHINGTON DC' REFERENCE QUAD CITY NUCLEAR POWER STATION DPR 29 DPR 30 SECTION 1.0.A.4 AND 6.6.A.3 AND 6.6.B.3 AT 959PM WITH UNIT ONE REACTOR OPERATING IN THE "RUN" MODE THE CORE SPRAY PUMP MOTOR AIR CIRCUIT BREAK- (1422 ON BUS 14-1) FOR CORE SPRAY PUMP l-1401B FAILED TO CLOSE ON TEST THE CAUSE OF FAILURE WAS AN AUXILARY CONTACT IN THE CIRCUIT BREAKER CUBICLES. THE l-B CORE SPRAY PUMP"WAS TESTED AT IISAM ON 10/21/72 AT 951PM WITH UNIT TWO/ REACTOR "RUN" MODE THIE HIGH PRSSURE COOLANT INJECTION SYSTEM PAILED TO OPERATE IN THE TEST MODE.THE REACTOR CORE ISOLATION COOLING SYSTEM WAS TESTED SATISFACTORILY AT 1030PM ON 10/20/72. THE REACTOR WAS IN COLD SHUT DOWN AT 830AM ON 10/21/72 B B STEPHENSON 826P EDT USAEC HQS GTWN

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