ML20116B726

Special Rept:On 921026,three Fire Suppression Water Sys High Pressure Pumps Declared Inoperable.Caused by Scheduled Outage Maint on Pump Electrical Supply Bus.Sys Pressure Maintained Throughout Event

ML20116B726
Person / Time
Site:	Farley
Issue date:	10/27/1992
From:	Hill R SOUTHERN NUCLEAR OPERATING CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9211030020
Download: ML20116B726 (1)

Text

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Southern Nuclear Opvaurg Company f afiey Nuclear Plant Post Ott.ce Drawot 470 Ashford,14*barrn 36312

. lehmhone 705 699 5156 1 nkh.rd um Southem Nudear Operating Company cenars uanager mmwom electnc systdn 3

R October 27, 1992 Docket Nos 50-348 50-364 U. S. Nuclear Regulatory Co.nmission ATIN: Document Control Desk 5 -

Washington, DC 20555 k

Joseph M. Farley Nuclear Plant

]F Inoperable Fire Suppression Water S.vstem {

24-Hour S.Rqcial Report Gentlemen:

In accordance with Technical Specification 3.7.11.1, Action Statement b, a 24-hour telephone notification was providad to the NRC on October 27, 1992, regarding the inoperability of the fire suppression water system. This

'etter serves as confirmation of the above notification.

On October 26, 1992, from 2034 to 2110, all three fire suppression water -

system high pressure pumps were declared inoperable, although one diesel driven fire pump was capable of starting and running. The motoi driven fire pump was out of service due to scheduled outage maints.ence on its electrical supply bus. The diesel driven fire pump J1 had been declared inoperable for suspected fuel filter clogging. The diesel driv a fire stimp

1. 2 was secured for equipment protection during unscheduled ma).itenance on -

its packing gland. The diesel driven fire pump #1 was started and operated at narmal rpm auring the 36 minutes that diesel driven fire pump #2 was inoperable. Additionally, the system jockey pump was running, and system pressure was maintained throughout the event.

A Special Report will be submitted to the NRC within 14 days. If you have any questions, please advise.

Respectfully submitted, 0

f sV,r~)/ /hfly R. D. Flill RDil;jl cc: Mr. S. D. Ebneter Mr. S. T. Hf fman Mr. G. F. Maxwell h/1 A'

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