ENS 46611
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ENS Event | |
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21:07 Feb 11, 2011 | |
Title | Unusual Event Declared Based on Fire Alarm in Drywell |
Event Description | At 1438 CST on 02/11/2011 a fire detector alarm was received for Recirculation Pump B in the Reactor Building Drywall. At 1453 CST the main control room was unable to determine the alarm was invalid. At this time the condition was met for EAL HU4 for a Fire within the Protected Area boundary that is not extinguished within 15 minutes of detection. At 1507 CST a Notification of an Unusual Event was declared. The alarm was verified to be invalid following visual inspection at 1513 CST. All Drywall parameters and operation of Recirculation Pump B verified to be normal. "
The licensee has notified State and local authorities as well as the NRC Resident Inspector. No media or press release is planned.
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Where | |
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River Bend Louisiana (NRC Region 4) | |
Reporting | |
Emergency class: | Unusual Event |
10 CFR 50.72(a) (1) (i), Emergency Class Declaration 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release | |
Time - Person (Reporting Time:+-4.5 h-0.188 days <br />-0.0268 weeks <br />-0.00616 months <br />) | |
Opened: | Dave Polan 16:37 Feb 11, 2011 |
NRC Officer: | Bill Huffman |
Last Updated: | Feb 11, 2011 |
46611 - NRC Website
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River Bend with 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration | |
WEEKMONTHYEARENS 549912020-11-11T00:27:00011 November 2020 00:27:00
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