ENS 51828
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ENS Event | |
|---|---|
23:00 Mar 28, 2016 | |
| Title | Loss of Power to Meteorological Tower |
| Event Description | At approximately 1900 EDT on March 28, 2016, an unplanned loss of retail power to the McGuire Meteorological tower occurred. This loss of power impacted communication between the Meteorological tower and the control room, which resulted in a major loss of emergency assessment capability. Compensatory measures existed within the site's emergency planning procedures to obtain meteorological data from the National Weather Service. Meteorological information could have been provided via the emergency notification system to the NRC operations center.
Power was restored at 2245 EDT on March 28, 2016. The NRC Resident Inspector has been notified. There was no impact to the public.
This notification is being made to retract event EN 51828 that was reported March 29, 2016. Based on further investigation, Emergency Plan Implementing Procedures provide acceptable alternative methods to perform emergency assessment that are in addition to the control room indications from the meteorological tower. Furthermore, it was determined that the meteorological tower data was valid and available in the control room during the applicable period. It was therefore determined that no actual or potential major loss of emergency assessment capability existed per 10CFR50.72(b)(3)(xiii). This is consistent with NUREG 1022, rev 3, supplement 1 and NEI 13-01, rev 0. The NRC Resident Inspector has been notified of the retraction. Notified the R2DO (McCoy). |
| Where | |
|---|---|
Mcguire  North Carolina (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+17.52 h0.73 days <br />0.104 weeks <br />0.024 months <br />) | |
| Opened: | Bill Mason 16:31 Mar 29, 2016 |
| NRC Officer: | Richard Smith |
| Last Updated: | Apr 19, 2016 |
| 51828 - NRC Website
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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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