ENS Event | |
|---|---|
13:12 Aug 25, 2014 | |
| Title | Unusual Event Declared Due Fire Alarm in Reactor Building |
| Event Description | At 0757 CDT on 8/25/14, LaSalle Main Control Room received a fire alarm from the Unit 2 Reactor Building 807 foot elevation. Operators dispatched and confirmed no fire at 0817 CDT (20 min). At 0812 CDT (15 min) an unusual event (HU3) was declared due to not having verified no fire within 15 minutes of the alarm. No fire was confirmed and plans are in progress to terminate event.
The NRC Resident Inspector has been notified. The licensee notified the Illinois Emergency Management Agency. Notified DHS SWO, FEMA Operation Center, FEMA National Watch Center, NICC, Nuclear SSA via email.
At 0915 CDT on 8/25/2014, the LaSalle Shift Emergency Director terminated the Unusual Event (HU3) which had been declared at 0812 CDT. No fire present was verified at 0817 CDT and required hourly firewatch is in place. Maintenance Department has begun efforts to locate and replace faulted detector or other degraded component. The licensee notified the NRC Resident Inspector and the Illinois Emergency Management Agency. Notified R3DO(Passehl), NRREO (Hiland), IRD (Gott). Notified DHS SWO, FEMA Operation Center, FEMA National Watch Center, NICC, Nuclear SSA via email. |
| Where | |
|---|---|
LaSalle  Illinois (NRC Region 3) | |
| Reporting | |
| Emergency class: | Unusual Event |
| 10 CFR 50.72(a) (1) (i), Emergency Class Declaration | |
| Time - Person (Reporting Time:+-3.35 h-0.14 days <br />-0.0199 weeks <br />-0.00459 months <br />) | |
| Opened: | Allan Mclaughlin 09:51 Aug 25, 2014 |
| NRC Officer: | Daniel Mills |
| Last Updated: | Aug 25, 2014 |
| 50398 - NRC Website
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Unit 2 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |