ENS 42560
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ENS Event | |
|---|---|
16:30 May 8, 2006 | |
| Title | Early Warning Siren System (Ewss) Declared Inoperable |
| Event Description | Intermittent radio functionality was noticed during routine radio operation at 1203. Radio checks were satisfactorily performed immediately after this occurrence; however, at 1230, the intermittent problem recurred. VCSNS declared that the siren control system would not operate at 1230. Our procedures require notification of the South Carolina Emergency Management Division and the local counties within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />. Informal notifications to Fairfield and surrounding counties, and the State Area Coordinator were completed by 1242. Official notifications were made via the ESSX system at 1321.
This report is being made to the NRC per 10CFR50.72(b)(3)(xiii) due to the loss of >25% of the EWSS. Additionally, this is being reported per 10CFR50.72(b)(2) (xi) due to the notification made to other government agencies. The local counties notified include Fairfield, Newberry, Richland and Lexington. The outage affects the entire EWSS. The licensee informed state/local agencies and the NRC Resident Inspector.
|
| Where | |
|---|---|
Summer  South Carolina (NRC Region 2) | |
| Reporting | |
| 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 | |
| Time - Person (Reporting Time:+-2.15 h-0.0896 days <br />-0.0128 weeks <br />-0.00295 months <br />) | |
| Opened: | Michael Zaccone 14:21 May 8, 2006 |
| NRC Officer: | Steve Sandin |
| Last Updated: | May 8, 2006 |
| 42560 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
Summer with 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 | |
WEEKMONTHYEARENS 572782024-08-21T00:01:00021 August 2024 00:01:00
[Table view]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 554502021-09-08T17:37:0008 September 2021 17:37:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Notification of Environmental Report to Another Government Agency ENS 547422020-06-08T17:55:0008 June 2020 17:55:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification - Transmission Fluid Spill ENS 544952020-01-27T04:54:00027 January 2020 04:54:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertent Activation of an Early Warning Siren ENS 530202017-10-17T15:34:00017 October 2017 15:34:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Sanitary Lift Station Overflow 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 523572016-11-09T18:39:0009 November 2016 18:39:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Sanitary System Discharge ENS 519542016-05-24T16:50:00024 May 2016 16:50:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Onsite Fatality Not Related to Work ENS 515852015-12-04T19:00:0004 December 2015 19:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Sanitary Lift Station Overflow ENS 507962015-02-07T13:48:0007 February 2015 13:48:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification to Occupational Safety and Health Administration (Osha) ENS 497222014-01-14T18:30:00014 January 2014 18:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification to South Carolina Department of Health and Environmental Control (Scdhec) ENS 493452013-09-16T11:00:00016 September 2013 11:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Off-Site Notification to South Carolina Department of Health and Environmental Control (Scdhec) ENS 485612012-12-05T13:10:0005 December 2012 13:10:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to a Non-Work Related Medical Event 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 470392011-07-07T15:00:0007 July 2011 15:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to a Contained On-Site Liquid Radwaste Leak ENS 454222009-10-09T07:20:0009 October 2009 07:20:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification - South Carolina Department of Labor 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 424362006-03-21T07:29:00021 March 2006 07:29:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Inadvertent Emergency Siren Actuation ENS 424322006-03-20T14:00:00020 March 2006 14:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification to South Carolina Department of Health and Environmental Control (Dhec) of Sewage Spill 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 2024-08-21T00:01:00 | |
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