ENS 46202
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ENS Event | |
---|---|
14:22 Aug 24, 2010 | |
Title | Loss of Offsite Communications |
Event Description | At 0922 hours0.0107 days <br />0.256 hours <br />0.00152 weeks <br />3.50821e-4 months <br /> [CDT] on August 24, 2010, it was identified that offsite telecommunications capability was lost (including ENS, HPN, and ERDS) for Quad Cities Station when a fiber optic phone cable was cut during offsite work activities.
A commercial communication link with the NRC Operations Center was re-established at 1105 hours0.0128 days <br />0.307 hours <br />0.00183 weeks <br />4.204525e-4 months <br /> when site offsite telecommunications were re-routed through the Exelon network to an available commercial system. A follow-up notification will be provided when normal offsite telecommunications have been reestablished. This event is reportable under 10 CFR 50.72(b)(3)(xiii) as a major loss of communications capability. The NRC Resident Inspector has been notified.
|
Where | |
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Quad Cities Illinois (NRC Region 3) | |
Reporting | |
10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
Time - Person (Reporting Time:+2.78 h0.116 days <br />0.0165 weeks <br />0.00381 months <br />) | |
Opened: | Dave Geever 17:09 Aug 24, 2010 |
NRC Officer: | Howie Crouch |
Last Updated: | Aug 24, 2010 |
46202 - 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 563572023-02-06T11:30:0006 February 2023 11:30:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communications and Assessment Capabilities ENS 520992016-07-18T19:50:00018 July 2016 19:50:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Offsite Communications Capability ENS 515022015-10-27T15:30:00027 October 2015 15:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Tsc Air Filtration System Degraded ENS 513642015-09-03T02:00:0003 September 2015 02:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Technical Support Center (Tsc) Maintenance ENS 512722015-07-27T22:30:00027 July 2015 22:30:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Control Room Emergency Ventilation System Inoperable ENS 510932015-05-27T14:52:00027 May 2015 14:52:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Control Room Emergency Ventilation System Inoperable ENS 509282015-03-26T18:30:00026 March 2015 18:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Seismograph Not Available for Emergency Plan Assessment ENS 507302015-01-12T11:00:00012 January 2015 11:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Maintenance on Radiological Monitor ENS 507082014-12-30T14:16:00030 December 2014 14:16:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Technical Support Center Maintenance Affecting the Air Handling System ENS 506782014-12-15T13:30:00015 December 2014 13:30:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Control Room Emergency Ventilation System Inoperable ENS 491352013-06-19T15:15:00019 June 2013 15:15:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Planned Maintenance ENS 484062012-10-15T13:00:00015 October 2012 13:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Technical Support Center (Tsc) Maintenance ENS 471052011-07-28T06:15:00028 July 2011 06:15:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Control Room Temperature Recorder Inoperable ENS 468232011-05-05T15:35:0005 May 2011 15:35:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center (Tsc) Ventilation System Degraded ENS 462022010-08-24T14:22:00024 August 2010 14:22:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Offsite Communications ENS 457712010-03-17T16:30:00017 March 2010 16:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Erds and Spds Out of Service Due to Process Computer Upgrade ENS 455872009-12-23T12:56:00023 December 2009 12:56:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Winter Storm Power Outages Cause Alert Siren Inoperability ENS 455552009-12-09T17:17:0009 December 2009 17:17:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Winter Storm Power Outages Cause Alert Siren Inoperability ENS 454882009-11-11T18:38:00011 November 2009 18:38:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Degraded Tsc Emergency Ventilation ENS 452852009-08-24T07:40:00024 August 2009 07:40:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Tsc Air Filtration System Inoperable Due to Planned Maintenance ENS 451462009-06-21T08:08:00021 June 2009 08:08:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Unit 2 Emergency Response Data System (Erds) Due to a Plant Process Computer Issue ENS 450802009-05-19T14:00:00019 May 2009 14:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Response Data System (Erds) Due to Network Service Not Functioning ENS 450282009-04-28T23:34:00028 April 2009 23:34:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Process Computer Replacement Impacting Erds and Spds ENS 431842007-02-25T01:20:00025 February 2007 01:20:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Reduction in Emergency Preparedness Capability ENS 412252004-11-25T21:45:00025 November 2004 21:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Safety Parameter Display System 2023-02-06T11:30:00 | |
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