ML20097F533

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Special Rept:On 920508,diesel Generator O CO2 Sys Exceeded 14-day Time Clock Due to Replacement of CO2 Control Panel. Hourly Firewatch Established to Inspect Generator room.CO2 Sys Will Be Returned to Svc When Mods Completed
ML20097F533
Person / Time
Site: LaSalle Constellation icon.png
Issue date: 06/08/1992
From: Diederich G
COMMONWEALTH EDISON CO.
To: Davis A
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 9206150345
Download: ML20097F533 (1)


Text

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1 O C mm:nwealthEdiron LaSalle County Nuclear Station 2601 N.21st R1 Marseilles, Illinois 61341 Telephono 815/357-6761 June 8, 1992 Mr. A. B. Davis Region III Ad.inistrator U.S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, Illinois 60137

Dear Sir:

This Special Report is submitted in accorda:K* d th LaSalle Unit 1 Operating License, NPT-ll, Appendix A, Technical Specification 3.7.5.3.

On May 8, 1992 the 'O' Diesel Generator CO2 System exceeded its 14 day time clock because of the replacement of the CO2 Control Panel which makes the CO2 System inoperable.

In accordance with the Action Statement of Technical Specification 3.7.5.3 an hourly fire watch was established to inspect the generator room driring the time period that the CO2 system is inoperable.

A Special Report is required because the CO2 System inoperab.ility exceeded the allowable 14 day time clock. The CO2 System will be returned t.o service upon completion of the modification.

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