ENS 57225
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ENS Event | |
|---|---|
17:37 Jul 12, 2024 | |
| Title | Technical Support Center Ventilation System NON-FUNCTIONAL |
| Event Description | The following information was provided by the licensee via email and phone:
On July 12, 2024, at 1337 EDT, operations discovered that the technical support center (TSC) ventilation system was non-functional, which resulted in an unplanned loss of the TSC that could not be restored within seventy-five minutes. If an emergency had been declared requiring TSC activation during this period, the TSC would have been staffed and activated using existing emergency planning procedures. If relocation of the TSC had been necessary, the emergency coordinator would have relocated the TSC staff to an alternate location in accordance with applicable site procedures. 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 loss of the TSC ventilation system affected the functionality of an emergency response facility. There was no impact on the health and safety of the public or plant personnel. The NRC resident inspector has been notified. The following additional information was obtained from the licensee in accordance with Headquarters Operations Officers Report Guidance: The TSC ventilation system remains out-of-service at the time of the notification. In the event of an emergency, the licensee will use the alternate TSC facility per applicable site procedures until the ventilation system is restored. Repair of the ventilation system is being worked around-the-clock. |
| Where | |
|---|---|
Mcguire  North Carolina (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+2 h0.0833 days <br />0.0119 weeks <br />0.00274 months <br />) | |
| Opened: | Kyle Mitchell 19:37 Jul 12, 2024 |
| NRC Officer: | Robert A. Thompson |
| Last Updated: | Jul 12, 2024 |
| 57225 - 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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