ML20024B680

LER 83-055/03L-0:on 830609 & 10,smoke Detectors in Control Bldg Zone a Failed.Caused by Welding in Area.Fire Watch Patrol Initiated & Affected Detectors & Deluge Resettled. W/830706 Ltr

ML20024B680
Person / Time
Site:	Summer
Issue date:	07/06/1983
From:	Bouknight R, Dixon O SOUTH CAROLINA ELECTRIC & GAS CO.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
LER-83-055-03L, LER-83-55-3L, NUDOCS 8307110210
Download: ML20024B680 (2)

Text

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010l....0 l 3 l 9l 5lgl 0l 6l 0 l 9 l 8l 3;gl 0; 7; 0; 6 ; 8; 3 jg EVENT DESCRIPTION AND PROBABLE CONSEQUENCES to l l o (2 l l On June 9 & 10 1983, with the p ant in Mode 1, Smoke Detectors in  ;

l o ta l l control Building Zone A (Rooms 48-02, 36-03, 36-04) were inoperable.  ;

j o u l l There were no adverse consequences due to this event. The alarm was  ;

l o is l l acknowledged, the associated deluge valve was verified tripped and, I c is l l in accordance with Action Statement (a) of Technical Specification  ;

joi,l[ 3.3.3.7, a one (1) hour fire watch patrol was established. g io Is il I

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l Zj Z l Zl Z l CAuss : EsCRiPTiOr, Au :c=tciECTIVE ACTIONS h l11Cl! The Smoke Detectors were inoperable due to being put into alarm by l 1 i n l l welding in the area. A Fire Watch Patrol was initiated and upon l li1: i' completion of the welding activity, the affected detectors and deluge  ;

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:i valve were reset and the system declared operable. No future j t,i4 lI corrective action required. l

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SOUTH CAROLINA ELECTRIC & GA8 ACQMPANYJf,, ,,,

POST OPPICE 784 h COLUMe:A, south CARO 1* 29218 O. W. OlXoN. JR.

JUL e e f.

VsCE PRESIDENT July 6, 1983 OJ NUCLEAR OPERATIONS Mr. James P. O'Reilly Regional Administrator U.S. Nuclear Regulatory Commission Region II, Suite 2900 101 Marietta Street, N.W.

Atlanta, Georgia 30303

SUBJECT:

Virgil C. Summer Nuclear Station Docket No. 50/395 Operating License No. NPF-12 Thirty Day Written Report LER 83-055

Dear Mr. O'Reilly:

Please find attached Licensee Event Report #83-055 for Virgil C.

Summer Nuclear Station. This Thirty Day Report is required by Technical Specification 6.9.1.13.(b) as a result of entry into Action Statement (a) of Technical Specification 3.3.3.7, " Fire Protection Instrumentation," on June 9, 1983.

Should there be any questions, please call us at your convenience.

Very truly yours, i

s y e O. W. D' on,

. l RJB:OWD/mac Attachment cc: V. C. Summer C. L. Ligon (NSRC)

E. H. Crews, Jr. G. J. Braddick T. C. Nichols, Jr.,/O. W. Dixon, Jr. J. C. Miller E. C. Roberts J. L. Skolds H. N. Cyrus J. B. Knotts, Jr.

Group / General Managers I&E (Washington)

O. S. Bradham Document Management R. B. Clary Branch C. A. Price INPO Records Center A. R. Koon NPCF D. A. Lavigne File (Lic./Eng.)

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