ENS 54829
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ENS Event | |
|---|---|
17:34 Aug 11, 2020 | |
| Title | Loss of Technical Support Center Ventilation System |
| Event Description | At 1334 EDT on Tuesday August 11th, the Peach Bottom Atomic Power Station (PBAPS) Technical Support Center (TSC) Ventilation System lost power due to a trip of the Station Blackout (SBO) electric power supply breaker. The trip was due to a fault at the Conowingo Dam and Conowingo was not able to realign electric power to the SBO within an hour. Power restoration is complete and TSC Ventilation was restored at 1725 EDT.
This report is being submitted pursuant to 10CFR 50.72(b)(3)(xiii) as a Major Loss of Emergency Preparedness Capabilities due to a reduction in the effectiveness of the Onsite Technical Support Center (TSC). The NRC Resident Inspector has been notified. |
| Where | |
|---|---|
Peach Bottom  Pennsylvania (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+2.8 h0.117 days <br />0.0167 weeks <br />0.00384 months <br />) | |
| Opened: | John Whelan 20:22 Aug 11, 2020 |
| NRC Officer: | Brian P. Smith |
| Last Updated: | Aug 11, 2020 |
| 54829 - NRC Website
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WEEKMONTHYEARENS 565132023-05-09T18:55:0009 May 2023 18:55:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Preparedness Capabilities ENS 563582023-02-06T11:30:0006 February 2023 11:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communications and Assessment Capabilities ENS 549172020-09-28T09:00:00028 September 2020 09:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | ENS 548292020-08-11T17:34:00011 August 2020 17:34:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Technical Support Center Ventilation System ENS 535942018-09-11T04:00:00011 September 2018 04:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation Non-Functional ENS 529092017-08-16T14:39:00016 August 2017 14:39:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Power to Technical Support Center ENS 498642014-03-01T16:25:0001 March 2014 16:25:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Sample Flow for Main Stack Wide Range Radiation Monitor ENS 498102014-02-09T06:00:0009 February 2014 06:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Offsite Communications Capability ENS 494802013-10-29T09:00:00029 October 2013 09:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Main Stack Radiation Monitors Removed from Service ENS 484552012-10-30T04:30:00030 October 2012 04:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Sirens Due to Impacts from Hurricane Sandy ENS 477862012-03-29T08:00:00029 March 2012 08:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation System Outage ENS 475812012-01-09T22:22:0009 January 2012 22:22:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Determined to Be Non-Functional ENS 464932010-12-20T12:00:00020 December 2010 12:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation Maintenance ENS 462692010-09-22T21:53:00022 September 2010 21:53:00 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 Sirens Unavailable Due to Inclement Weather ENS 450762009-05-18T08:50:00018 May 2009 08:50:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Tsc Hvac Rendered Non-Functional Due to Planned Maintenance ENS 446442008-11-07T23:00:0007 November 2008 23:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Loss of Emergency Phone Service ENS 440022008-02-22T10:30:00022 February 2008 10:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Commercial and Emergency Phone Systems ENS 439862008-02-14T11:47:00014 February 2008 11:47:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Tsc Power Outage ENS 419402005-08-23T10:13:00023 August 2005 10:13:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Power to Technical Support Center (Tsc) ENS 418082005-06-28T18:00:00028 June 2005 18:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation Inoperable ENS 401772003-09-19T05:45:00019 September 2003 05:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Power to the Technical Support Center ENS 401712003-09-19T00:00:00019 September 2003 00:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of 27 of 97 Emergency Sirens Due to Storm 2023-05-09T18:55:00 [Table view] | |
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