ENS 40179
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ENS Event | |
|---|---|
13:30 Sep 19, 2003 | |
| Title | Loss of Emergency Siren Capability to the Adverse Weather Conditions |
| Event Description | At 0930 on September 19, 2003 it was identified that there was a major loss of offsite response capability. 43 out of 63 early warning sirens were determined inoperable due to loss of power as a result of Hurricane Isabel.
The State and NRC Resident Inspector will be notified of this event.
On September 24, 2003, at 0715 hours0.00828 days <br />0.199 hours <br />0.00118 weeks <br />2.720575e-4 months <br />, a siren poll test was conducted to verify availability of the early warning sirens (EWS). The test identified that 57 of 63 (90%) sirens were available. The current availability of the EWS no longer constitutes a major loss of emergency assessment capability, offsite response capability, or offsite communication capability pursuant to 10CFR50.72(b)(3)(xiii) The NRC Resident Inspector was informed. Notified R2DO (C. Julian) |
| Where | |
|---|---|
North Anna  Virginia (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-2.08 h-0.0867 days <br />-0.0124 weeks <br />-0.00285 months <br />) | |
| Opened: | T. L. Shelton 11:25 Sep 19, 2003 |
| NRC Officer: | Steve Sandin |
| Last Updated: | Sep 24, 2003 |
| 40179 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
Unit 2 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (62 %) |
| After | Power Operation (62 %) |
WEEKMONTHYEARENS 515572015-11-20T13:23:00020 November 2015 13:23:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Inoperable Vent Stack Radiation Monitor ENS 496722013-12-23T13:23:00023 December 2013 13:23:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communications with Virginia State Eoc Due to Power Outage ENS 467512011-04-14T08:00:00014 April 2011 08:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation System Out of Service for Maintenance ENS 466762011-03-15T15:31:00015 March 2011 15:31:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Power to Technical Support Center Ventilation System ENS 460392010-06-23T13:10:00023 June 2010 13:10:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Early Warning Siren Test Failure ENS 460132010-06-16T12:59:00016 June 2010 12:59:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Early Warning System Found Non-Responsive During Testing ENS 435462007-08-03T12:55:0003 August 2007 12:55:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Safety Parameter Display System (Spds) Out of Service ENS 424432006-03-22T17:51:00022 March 2006 17:51:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Potential Loss of Communication Sirens ENS 420972005-10-30T05:50:00030 October 2005 05:50:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Spds Unavailable for Greater than One Hour ENS 419002005-08-07T04:00:0007 August 2005 04:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Spds Unavailable for Greater than One Hour ENS 414562005-03-02T17:39:0002 March 2005 17:39:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Sirens ENS 414262005-02-21T07:50:00021 February 2005 07:50:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Safety Parameter Display System Inoperable for Greater than One Hour ENS 408202004-06-16T13:45:00016 June 2004 13:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Assessment Capability ENS 401792003-09-19T13:30:00019 September 2003 13:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Siren Capability to the Adverse Weather Conditions 2015-11-20T13:23:00 | |
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