ENS 41831
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ENS Event | |
|---|---|
03:54 Jul 10, 2005 | |
| Title | Loss of Emergency Assessment Capability Due to Inoperable Ep Sirens |
| Event Description | At 2154 hours0.0249 days <br />0.598 hours <br />0.00356 weeks <br />8.19597e-4 months <br /> on July 9, 2005, power was lost to the #11, Otter Creek and #12, Jacob's Creek Emergency Plan Sirens. At 2254 hours0.0261 days <br />0.626 hours <br />0.00373 weeks <br />8.57647e-4 months <br /> on July 9, 2005, the #11 and #12 sirens are still without power. Siren #4, WC Lake South, was previously determined to be inoperable at 1210 hours0.014 days <br />0.336 hours <br />0.002 weeks <br />4.60405e-4 months <br /> on July 6, 2005, due to being struck by lightning. With 3 of the 11 Emergency Plan sirens out of service for greater than 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> a major loss of emergency assessment capability exists.
Lyon Coffey Electric is currently working to restore power to the #11 and #12 Emergency Plan sirens. The NRC Senior Resident Inspector has been notified. At 2359 hours0.0273 days <br />0.655 hours <br />0.0039 weeks <br />8.975995e-4 months <br /> power has been restored to the #11 and #12 sirens restoring emergency assessment capability. The licensee contacted the dispatcher at the LLEO as an informational call. |
| Where | |
|---|---|
Wolf Creek  Kansas (NRC Region 4) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-2.57 h-0.107 days <br />-0.0153 weeks <br />-0.00352 months <br />) | |
| Opened: | Lance Lane 01:20 Jul 10, 2005 |
| NRC Officer: | John Knoke |
| Last Updated: | Jul 10, 2005 |
| 41831 - 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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