ENS 54382
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ENS Event | |
|---|---|
06:00 Nov 12, 2019 | |
| Title | Emergency Operations Facility Out of Service |
| Event Description | On November 12, 2019, the Central Emergency Control Center (CECC) was removed from service for a planned facility upgrade project. The CECC is a common Emergency Operations Facility (EOF) for the TVA Nuclear sites (Browns Ferry / Sequoyah / Watts Bar). The duration of the upgrade project is approximately 75 days.
If an emergency is declared requiring CECC activation during this period, an alternate CECC will be used. During this period, the alternate CECC will be staffed and activated using existing emergency 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 the CECC will be unavailable for more than 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />. The Emergency Response Organization has been notified that the CECC will be unavailable during the upgrade project and to report to the alternate CECC in the event of an emergency. There is no impact on the health and safety of the public or plant employees. The NRC Resident Inspector has been notified. |
| Where | |
|---|---|
Browns Ferry  Alabama (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+4.53 h0.189 days <br />0.027 weeks <br />0.00621 months <br />) | |
| Opened: | Angel Yarbrough 10:32 Nov 12, 2019 |
| NRC Officer: | Thomas Kendzia |
| Last Updated: | Nov 12, 2019 |
| 54382 - 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 %) |
Unit 3 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 543822019-11-12T12:00:00012 November 2019 12:00:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Operations Facility Out of Service ENS 542782019-09-13T09:27:00013 September 2019 09:27:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness En Revision Imported Date 9/17/2019 ENS 520042016-06-13T22:33:00013 June 2016 22:33:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Alert Sirens Failed to Rotate ENS 494552013-10-19T22:05:00019 October 2013 22:05:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Partial Loss of Offsite Communications Due to a Blown Fuse ENS 488232013-03-14T23:00:00014 March 2013 23:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Partial Loss of Offsite Communications ENS 483272012-09-20T17:40:00020 September 2012 17:40:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Assessment Capability Due to Inoperable Seismic Monitoring Instrumentation ENS 471242011-08-04T13:35:0004 August 2011 13:35:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Power to Emergency Sirens Due to Weather ENS 469862011-06-25T21:15:00025 June 2011 21:15:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Meteorological Monitoring Instrumentation Inoperable Due to Loss of Power ENS 468792011-05-24T14:18:00024 May 2011 14:18:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Power to Thirty-Two Emergency Sirens ENS 467932011-04-27T22:01:00027 April 2011 22:01:00 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Notification of Unusual Event Due to Loss of Offsite Power ENS 444712008-09-07T22:20:0007 September 2008 22:20:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Partial Loss of Offsite Communication Capability Caused by an Unplanned Power Outage ENS 442322008-05-21T20:15:00021 May 2008 20:15:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Control Room Phone Communications 2019-09-13T09:27:00 | |
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