ENS 47524
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ENS Event | |
|---|---|
14:00 Dec 15, 2011 | |
| Title | Erdads Out of Service for Planned Maintenance |
| Event Description | The St. Lucie Unit 1 Emergency Response Data Acquisition and Display System (ERDADS) will be removed from service for system modification following completion of core offload for the current cycle 24 refueling outage, currently scheduled for 12/15/2011 at 0900. The ERDADS system will be functional prior to core reload (Mode 6) and fully operational prior to the plant startup. This is an informational notification of a planned loss of emergency assessment capability. Control room indications including annunciators are available as alternate means to monitor critical data. An update to this notification will be provided when the system is restored to service.
The NRC Resident Inspector has been notified.
The St. Lucie Unit 1 Emergency Response Data Acquisition and Display System (ERDADS) has been restored to service. Some area rad monitoring functional testing remains in progress; however full assessment capability is functional via the control room indications and alarms. All ERDS link data points provided by the Emergency Response Data Acquisition and Display System have been restored to service and fully operational to support plant start up. The licensee has notified the NRC Resident Inspector. Notified R2DO (Guthrie). |
| Where | |
|---|---|
Saint Lucie  Florida (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-6.5 h-0.271 days <br />-0.0387 weeks <br />-0.0089 months <br />) | |
| Opened: | Timothy Miller 07:30 Dec 15, 2011 |
| NRC Officer: | Joe O'Hara |
| Last Updated: | Mar 14, 2012 |
| 47524 - NRC Website
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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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