ENS 49865: Difference between revisions
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| event date = 03/02/2014 00:13 EST | | event date = 03/02/2014 00:13 EST | ||
| last update date = 03/02/2014 | | last update date = 03/02/2014 | ||
| title = Unusual Event Declared Due | | title = Unusual Event Declared Due a Fire Alarm in the Containment Building | ||
| event text = An Unusual Event (NOUE) was declared at 0013 EST on 3/2/2014 due to a possible fire in the protected area inside containment which could not be verified within 15 minutes (EAL HU4). A containment building smoke alarm was received at 2120 on 3/1/14 after indications that a relief valve lifted during a safety injection accumulator fill evolution. Diverse containment instrumentation was checked and showed that containment dew point was elevated while containment temperature and pressure remained steady. The fire alarm was reset and did not reflash. A containment entry will be made to investigate the alarm. There are no requests for the local fire department to respond and there are no indications of a radiological release to the environment. | | event text = An Unusual Event (NOUE) was declared at 0013 EST on 3/2/2014 due to a possible fire in the protected area inside containment which could not be verified within 15 minutes (EAL HU4). A containment building smoke alarm was received at 2120 on 3/1/14 after indications that a relief valve lifted during a safety injection accumulator fill evolution. Diverse containment instrumentation was checked and showed that containment dew point was elevated while containment temperature and pressure remained steady. The fire alarm was reset and did not reflash. A containment entry will be made to investigate the alarm. There are no requests for the local fire department to respond and there are no indications of a radiological release to the environment. | ||
The NRC Resident Inspector has been notified. | The NRC Resident Inspector has been notified. | ||
Latest revision as of 21:51, 1 March 2018
| Where | |
|---|---|
| Beaver Valley Pennsylvania (NRC Region 1) | |
| Reporting | |
| Emergency class: | Unusual Event |
| 10 CFR 50.72(a) (1) (i), Emergency Class Declaration | |
| Time - Person (Reporting Time:+-4.47 h-0.186 days <br />-0.0266 weeks <br />-0.00612 months <br />) | |
| Opened: | Andrew Doby 00:45 Mar 2, 2014 |
| NRC Officer: | Howie Crouch |
| Last Updated: | Mar 2, 2014 |
| 49865 - NRC Website
| |