ENS 43396
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ENS Event | |
|---|---|
07:10 May 31, 2007 | |
| Title | Loss of Emergency Plan Sirens Due to 69Kv Distribution System Fault |
| Event Description | At 02:10 am CDT Wolf Creek's surrounding area experienced a power loss when a fault occurred in the 69KV distribution system. Power was lost in the cities of Burlington, New Strawn and the surrounding area. Wolf Creek's emergency plan sirens are powered from substations fed from the 69 KV distribution system. Associated with this power loss, Wolf Creek initially lost power to seven [of 11 total] Emergency Sirens. Four of the sirens had power restored in approximately 5 minutes, the remaining three Emergency Sirens remained without power for greater than 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />. Power was restored to the area surrounding Wolf Creek at approximately 04:30 am CDT. The Coffey County Sheriff's office was kept informed of siren status in the event that they would need to make local notifications. Wolf Creek remained connected to the electrical grid through all three 345 KV lines during the loss of the 69 KV system.
Coffey County, Kansas Department of Health and Environment, Kansas Department of Emergency Management and the Federal Emergency Management Agency Region 7 have been notified of the loss of sirens. The Wolf Creek Communications Group has physically verified that all sirens have been returned to service. The licensee notified the NRC Resident Inspector. |
| Where | |
|---|---|
Wolf Creek  Kansas (NRC Region 4) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+3.55 h0.148 days <br />0.0211 weeks <br />0.00486 months <br />) | |
| Opened: | Lance Lane 10:43 May 31, 2007 |
| NRC Officer: | Jeff Rotton |
| Last Updated: | May 31, 2007 |
| 43396 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 549682020-10-27T21:08:00027 October 2020 21:08:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Plan Dose Assessment Capability ENS 536472018-10-05T05:00:0005 October 2018 05:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness En Revision Imported Date 10/19/2018 ENS 521842016-08-16T16:00:00016 August 2016 16:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Failure of All Emergency Sirens ENS 512972015-08-06T22:39:0006 August 2015 22:39:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Non-Functional ENS 504072014-08-27T13:05:00027 August 2014 13:05:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communications Due to Power Supply Failure ENS 496922014-01-06T09:30:0006 January 2014 09:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Three Emergency Plan Sirens ENS 486492013-01-03T12:04:0003 January 2013 12:04:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Saftey Parameter Display System (Spds) ENS 467202011-04-04T05:30:0004 April 2011 05:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Sirens Out of Service Due to Severe Weather ENS 465752011-01-28T16:09:00028 January 2011 16:09:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Primary Communications Maintenance ENS 439742008-02-09T19:20:0009 February 2008 19:20:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Safety Parameter Display System (Spds) Removed from Service for Scheduled Maintenance ENS 434402007-06-22T01:00:00022 June 2007 01:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness "Spds (Safety Parameter Display System) Inoperable Due to Plant Computer Inoperability ENS 433962007-05-31T07:10:00031 May 2007 07:10:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Plan Sirens Due to 69Kv Distribution System Fault ENS 433942007-05-29T13:08:00029 May 2007 13:08:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Safety Parameter Display System (Spds) Removed from Service for Computer Upgrade ENS 431192007-01-25T11:42:00025 January 2007 11:42:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Safety Parameters Display System (Spds) ENS 426352006-06-12T20:56:00012 June 2006 20:56:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Spds During Planned Computer Maintenance ENS 418312005-07-10T03:54:00010 July 2005 03:54:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Assessment Capability Due to Inoperable Ep Sirens ENS 417842005-06-17T21:54:00017 June 2005 21:54:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Safety Parameter Display System ENS 415092005-03-21T21:53:00021 March 2005 21:53:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Safety Parameter Display System (Spds) Function for Greater than 8 Hours. ENS 403452003-11-20T23:00:00020 November 2003 23:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Spds for Greater than 8 Hours ENS 402592003-10-18T22:20:00018 October 2003 22:20:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Assessment Capability 2020-10-27T21:08:00 | |
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