ENS 41363
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ENS Event | |
|---|---|
09:10 Jan 30, 2005 | |
| Title | Loss of Emergency Siren Capability Due to Adverse Weather |
| Event Description | Loss of greater than 25% EWSS [Early Warning Siren System] due to ice storm.
The majority of the sirens were lost in Fairfield and Newberry Counties. The licensee had no estimated time for restoration. The licensee informed state/local agencies and the NRC Resident Inspector.
At 0900 hours0.0104 days <br />0.25 hours <br />0.00149 weeks <br />3.4245e-4 months <br /> 84% of the EWSS was returned to service. At 1430 hours0.0166 days <br />0.397 hours <br />0.00236 weeks <br />5.44115e-4 months <br /> EWSS was declared operable after 98% of the system was returned to service. R2DO (T. Decker) notified. The licensee informed the state/local agencies and the NRC Resident Inspector. |
| Where | |
|---|---|
Summer  South Carolina (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-4.3 h-0.179 days <br />-0.0256 weeks <br />-0.00589 months <br />) | |
| Opened: | Eddie Byars 04:52 Jan 30, 2005 |
| NRC Officer: | Steve Sandin |
| Last Updated: | Jan 30, 2005 |
| 41363 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 575542025-02-18T07:34:00018 February 2025 07:34:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communication Capability ENS 572782024-08-21T00:01:00021 August 2024 00:01:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Control Room Ventilation Inoperable ENS 527052017-04-25T13:00:00025 April 2017 13:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Fuel Handling Bridge Radiation Monitor Out of Service ENS 485182012-11-18T16:30:00018 November 2012 16:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Assessment Capability Due to Integrated Plant Computer Planned Maintenance ENS 429912006-11-14T21:42:00014 November 2006 21:42:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Siren Activation Capability Inoperable for Approximately 15 Minutes ENS 425602006-05-08T16:30:0008 May 2006 16:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Early Warning Siren System (Ewss) Declared Inoperable ENS 417552005-06-08T00:20:0008 June 2005 00:20:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Twenty-Eight Early Warning Sirens Temporarily Inoperable ENS 413632005-01-30T09:10:00030 January 2005 09:10:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Siren Capability Due to Adverse Weather ENS 412422004-12-04T03:30:0004 December 2004 03:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Early Warning Siren System Failure ENS 411142004-10-11T14:57:00011 October 2004 14:57:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Siren Capability Following Planned Siren Maintenance ENS 404832004-01-27T17:00:00027 January 2004 17:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Ens Telephone and Siren System 2025-02-18T07:34:00 | |
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