ML20082B592

Special Rept:On 950301,min Number of Required Operable Detectors for Fire Detection Zones 1-26 & 2-26 Had Not Been Maintained.Subj Fire Detection Zones Taken Out of Svc to Prevent Spurious Alarms & Fire Watch Established

ML20082B592
Person / Time
Site:	LaSalle
Issue date:	03/31/1995
From:	Ray D COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9504050234
Download: ML20082B592 (1)

Text

- _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ _ _

Commonur.ilth Edison (.ompan) i 1.as.ille Generating station a Sol North list Road g \larseilles. 11. 614 414~6-Telsisas ent March 31,1995 U. S. Nuclear Regulatory Cortwnission Attention: Document Control Desk Washington, D. C. 20555 This special report is submitted in accordance with LaSalle Unit 1 and 2 Operating Ucenses NPF-11 and NPF-18, Appendix A, and Technical Specification Sections 3.3.7.9 and 6.6.c.

Table 3.3.7.9-1 of Technical Specification 3.3.7.9 requires a minimum number of fire detection instruments to be operable. On March 1,1995, at 0001 hours1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />, the minimum number of required operable detectors for Fire Detection Zones 1-26 and 2-26 had not been maintained, thereby exceeding the 14-day timeciock allowed by the Technical Specification.

These Fire Detection Zones are located on the Refuel Floor at elevation 843-6", Fire Hazard Zone Area 1.

Fire Detection Zones 1-26 and 2-26 were taken out of service to prevent spurious alarms caused by work activities being performed in the area during the Unit 2 Refueling Outage.

Per the Action Statement requirements of Technical Specification 3.3.7.9, a Fire Watch was established to inspect the affected fire detection zones once every hour while the detectors are inoperable. Detecbon Zones 1-26 and 2-26 will be retumed to service upon completion of the Refuel Floor work activities associated with the Unit 2 Refuel Outage.

This Special Report is required since the detectors were not restored to an operable status within 14 days.

Sint'e bl D. J. Ray Station Manager LaSalle County Station DJR/RV/lja cc: NRC Region 111 Administrator NRC Senior Resident inspector INPO - Records Center IDNS Resident inspector Nuclear Ucensing Administrator s

9504050234 950331 PDR ADOCK 05000373 S PDR -

t I nu om romiuns N,h