ENS 44659
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ENS Event | |
|---|---|
12:00 Nov 14, 2008 | |
| Title | Loss of Erdads |
| Event Description | This notification is being made due to an unplanned loss of ERDADS communication to the NRC for greater than one hour.
At 0700 on November 14, 2008, the Unit 2 Control Room noted that the information from ERDADS did not appear to be updating. Notifications were made and Engineering and Operations responded to investigate. The B train of ERDADS failed at 0357 and the backup A train did not auto transfer as expected. The B train was manually failed over and the A train assumed control at 0730. The B train was rebooted and has assumed the standby position. The system is currently functioning as expected and all communications have been restored. The licensee notified the NRC Resident Inspector. |
| Where | |
|---|---|
Saint Lucie  Florida (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-2.32 h-0.0967 days <br />-0.0138 weeks <br />-0.00318 months <br />) | |
| Opened: | David Lanyi 09:41 Nov 14, 2008 |
| NRC Officer: | Jason Kozal |
| Last Updated: | Nov 14, 2008 |
| 44659 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Not Critical |
| Scram | No |
| Before | Cold Shutdown (0 %) |
| After | Cold Shutdown (0 %) |
Unit 2 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 509522015-04-03T19:00:0003 April 2015 19:00:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation Nonfunctional During Preplanned Maintenance ENS 504782014-09-22T14:00:00022 September 2014 14:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Planned Maintenance ENS 503482014-08-07T11:30:0007 August 2014 11:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Radiation Monitoring Computer System Inoperable Due to Pre-Planned Maintenance ENS 503032014-07-24T12:00:00024 July 2014 12:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Radiation Monitoring Computer System Unavailable Due to Pre-Planned Maintenance ENS 502902014-07-21T12:00:00021 July 2014 12:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Radiation Monitoring Computer System Inoperable for Planned Maintenance ENS 491422013-06-24T04:00:00024 June 2013 04:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Unavailable Due to Pre-Planned Facility Upgrades ENS 475462011-12-22T15:00:00022 December 2011 15:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation Unavailable Due to Preplanned Maintenance ENS 475242011-12-15T14:00:00015 December 2011 14:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Erdads Out of Service for Planned Maintenance ENS 474552011-11-18T10:30:00018 November 2011 10:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Response Data System (Erds) Discovered to Be Out of Service ENS 474222011-11-08T22:18:0008 November 2011 22:18:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Planned Maintenance ENS 471142011-08-02T11:00:0002 August 2011 11:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Maintenance That Will Result in Technical Support Center Unavailability ENS 471032011-07-28T00:59:00028 July 2011 00:59:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Both Trains of Emergency Response Data System Due to Loss of Plant Process Computers ENS 465992011-02-08T03:25:0008 February 2011 03:25:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Control Room Emergency Ventilation System Out of Service Due to Planned Maintenance ENS 465482011-01-19T07:00:00019 January 2011 07:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Response Data Acquisition and Display System (Erdads) Removed from Service for Maintenance ENS 462872010-09-29T14:24:00029 September 2010 14:24:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Comm/Asmt/Response Capability ENS 462502010-09-14T13:17:00014 September 2010 13:17:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Computer Trains Associated with Erdads ENS 458742010-04-26T12:37:00026 April 2010 12:37:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation Taken Out of Service for Maintenance ENS 446592008-11-14T12:00:00014 November 2008 12:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Erdads ENS 445712008-10-16T14:30:00016 October 2008 14:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Communications Capability (Erds) ENS 437552007-10-29T13:35:00029 October 2007 13:35:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Outage of Erdads ENS 437172007-10-12T01:47:00012 October 2007 01:47:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Erdads/Spds Display ENS 427712006-08-15T14:15:00015 August 2006 14:15:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Erdads Communication ENS 424452006-03-23T15:30:00023 March 2006 15:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Maintenance on Ens Phone Line ENS 424292006-03-19T17:40:00019 March 2006 17:40:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Unit 2 Erdads (Emergency Response Data Acquisition and Display System) Computer Declared Inoperable. ENS 424252006-03-17T03:50:00017 March 2006 03:50:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communication - Erdads Computer Failed ENS 421322005-11-09T23:35:0009 November 2005 23:35:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Response Data Acquisition System Temporarily Inoperable ENS 420732005-10-24T17:14:00024 October 2005 17:14:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Response Data Acquisition and Display System ENS 420692005-10-24T03:00:00024 October 2005 03:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Non-Emergency Event Declared for Loss of Erdads System Affecting Both Units ENS 420272005-09-30T09:10:00030 September 2005 09:10:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Assessment Capability Inoperable for Greater than One Hour ENS 416282005-04-23T15:45:00023 April 2005 15:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Plant Lost Erdads (Emergency Response Data Acquisition Display System) Data Link Capability ENS 410732004-09-25T23:09:00025 September 2004 23:09:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Response Data System ENS 410532004-09-19T00:09:00019 September 2004 00:09:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Safety Paramter Display System (Spds) ENS 410212004-09-05T03:50:0005 September 2004 03:50:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Communications Due to Severe Weather ENS 410192004-09-04T06:12:0004 September 2004 06:12:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communications - Emergency Response Data Acquisition Display System ENS 405132004-02-10T15:20:00010 February 2004 15:20:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Major Loss of Communications at the Eof ENS 404822004-01-27T13:05:00027 January 2004 13:05:00 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 Offsite Notification of Loss of Communications 2015-04-03T19:00:00 | |
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