ENS 53240
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ENS Event | |
|---|---|
20:55 Mar 1, 2018 | |
| Title | Unplanned Loss of Technical Support Center |
| Event Description | This is an eight-hour, non-emergency notification for a loss of emergency assessment capability. This event is reportable in accordance with 10 CFR 50.72(b)(3)(xiii) because the discovered condition affects the functionality of an emergency response facility. Due to the discovery of a breaker coordination issue during an NRC Inspection, the power supply breakers to the Technical Support Center (TSC), including the ventilation system, has been opened to address the condition. This will make the TSC non-functional.
If an emergency is declared requiring TSC activation during this period, the Alternate TSC will be staffed and activated using existing emergency planning procedures. The Emergency Response Organization team has been notified to respond to the Alternate TSC in the event of an ERO [Emergency Response Organization] activation. There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified. |
| Where | |
|---|---|
Mcguire  North Carolina (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-0.35 h-0.0146 days <br />-0.00208 weeks <br />-4.7943e-4 months <br />) | |
| Opened: | Andrew Smith 20:34 Mar 1, 2018 |
| NRC Officer: | Howie Crouch |
| Last Updated: | Mar 1, 2018 |
| 53240 - 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 (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 572252024-07-12T17:37:00012 July 2024 17:37:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation System NON-FUNCTIONAL ENS 557582022-02-25T16:33:00025 February 2022 16:33:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Technical Support Center (TSC) ENS 547692020-07-10T13:00:00010 July 2020 13:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Common Emergency Operations Facility Maintenance ENS 544722020-01-13T14:10:00013 January 2020 14:10:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Technical Support Center Power Modification ENS 534982018-07-09T04:00:0009 July 2018 04:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Unplanned Loss of Technical Support Center (Tsc) Ventilation ENS 533072018-04-02T14:24:0002 April 2018 14:24:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Technical Support Center (Tsc) Modification ENS 532402018-03-01T20:55:0001 March 2018 20:55:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Unplanned Loss of Technical Support Center ENS 522192016-09-02T23:22:0002 September 2016 23:22:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Spent Fuel Pool Area Radiation Monitor Lost Signal ENS 521802016-08-15T14:30:00015 August 2016 14:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Out of Service Due to Facility Upgrade ENS 521452016-08-02T10:30:0002 August 2016 10:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation Out-Of-Service ENS 518282016-03-28T23:00:00028 March 2016 23:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Power to Meteorological Tower ENS 500952014-05-08T08:29:0008 May 2014 08:29:00 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 Loss of 34 Emergency Sirens ENS 500622014-04-27T20:00:00027 April 2014 20:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Out-Of-Service ENS 482762012-09-05T14:40:0005 September 2012 14:40:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Out of Service Due to Preventative Maintenance on Hvac System ENS 482662012-09-02T16:00:0002 September 2012 16:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Outage of Emergency Operations Facility ENS 484622009-08-01T04:00:0001 August 2009 04:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Historical Unavailability of Technical Support Center Ventilation Due to Maintenance ENS 443392008-07-07T18:22:0007 July 2008 18:22:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Failure of the Alert Notification System ENS 422082005-12-15T18:04:00015 December 2005 18:04:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of 38 Out of 67 Emergency Sirens Due to Weather ENS 412882004-12-23T19:10:00023 December 2004 19:10:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communications ENS 411572004-10-28T17:14:00028 October 2004 17:14:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Sirens Inoperable 2024-07-12T17:37:00 | |
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