ML20203D123

Special Rept Spr 86-004:on 860311,fire Detector Sys Associated W/Zone 000 of Reactor Bldg Began Continuous Alarming & Resetting.Reactor Bldg Temp Readings Taken & Condition Verified to Be Normal.Part 21 Related

ML20203D123
Person / Time
Site:	Summer
Issue date:	04/08/1986
From:	Nauman D SOUTH CAROLINA ELECTRIC & GAS CO.
To:	Grace J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
REF-PT21-86-132-000 PT21-86-132, PT21-86-132-000, SPR-86-004, SPR-86-4, NUDOCS 8604220038
Download: ML20203D123 (2)

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! South Carolina Electric & Gas Company Den A. Nauman P.O. Box 764 Vee Presx1ent

, Columba. SC 29218 Nucbar Operations (803) 748 4513 o- SCE8tG a scann :.rm

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10 Dr. J. Nelson Grace l Regional Administrator {

U.S. Nuclear Regulatory Commission i Suite 2900 101 Marietta Street, NW Atlanta, Ceorgia 30323

SUBJECT:

Virgil C. Summer Nuclear Station Docket No. 50/395 Operating License No. NPF-12 Special Report (SPR 86-004)

Dear Dr. Grace:

Attached is a Special Report for the Virgil C. Summer Nuclear Station. This report is submitted pursuant to the requirements of Section 6 of the Technical Specifications.

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

r t u??'yours, C

sa A. Nauman RJB: DAN / led l Attachment l c: V. C. Summer K. E. Nodland O. W. Dixon, Jr./T. C. Nichols, Jr. R. A. Stough E. H. Crews, Jr. G. O. Percival l E. C. Roberts R. L. Prevatte J. G. Connelly, Jr. J. B. Knotts, Jr.

W. A. Williams, Jr. S. D. Hogge Group Managers 1&E Washington O. S. Bradham Document Management D. R. Moore Branch C. A. Price INPO Records Center W. T. Frady ANI Library C. L. Ligon (NSRC) NPCF R. M. Campbell File O

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Dr. J. Nelson Grace SPR 86-004 Page Two April 8, 1986 EVENT DESCRIPTION On March'11, 1986, the fire detector system associated with Zone 000 of the Reactor Building began continuous alarming and resetting.

ACTION TAKEN Reactor building temperature readings were taken and the condition inside the containment was verified to be normal. Subsequently, smoke detectors in Zone 000 were declared inoperable, disabled, and compensatory action initiated as required by Action Statement a. of Technical Specification 3.3.3.7, " Fire Detection Instrumentation."

Smoke detectors a f fec ted are located at the 495 ft. elevation of Steam Generator "B" cubicle and above the operating floor (463) in the South East and South West quadrant at the 514 ft, elevation.

A maintenance work request has been initiated for the repair of-the.

system to be completed during the next shutdown of su f ficient duration.

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