ENS 40698
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ENS Event | |
---|---|
14:45 Apr 22, 2004 | |
Title | Safety Parameter Display System (Spds) Declared Inoperable |
Event Description | At 1045 hours0.0121 days <br />0.29 hours <br />0.00173 weeks <br />3.976225e-4 months <br /> on 04/22/04, the Safety Parameter Display System (SPDS) portion of the Emergency Response Facility Computer System (ERFCS) was noted to be inoperable due to all outputs being displayed in "magenta" color. Attempts were made to reboot the system, but were unsuccessful. At 1145 hours0.0133 days <br />0.318 hours <br />0.00189 weeks <br />4.356725e-4 months <br /> on 4/22/04, SPDS was returned to service. Therefore, the SPDS had been out of service for 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />, which is considered a major loss of emergency assessment capability. This report is being made in accordance with 10CFR50.72(b)(3)(xiii).
SPDS is not 100% operable, but it does meet the licensee's operability criteria to be declared operable. The licensee is analyzing the problem. The licensee notified the NRC Resident Inspector. |
Where | |
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Surry Virginia (NRC Region 2) | |
Reporting | |
10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
Time - Person (Reporting Time:+-0.95 h-0.0396 days <br />-0.00565 weeks <br />-0.0013 months <br />) | |
Opened: | David Herring 13:48 Apr 22, 2004 |
NRC Officer: | Chauncey Gould |
Last Updated: | Apr 22, 2004 |
40698 - 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 496732013-12-23T13:28:00023 December 2013 13:28:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communications with Virginia State Eoc Due to Power Outage ENS 459862010-06-08T13:48:0008 June 2010 13:48:00 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness, 10 CFR 50.72(b)(2)(iv)(A), System Actuation - ECCS Discharge Automatic Reactor Trip with Safety Injection Due to Loss of Vital Ac Bus ENS 440542008-03-12T09:00:00012 March 2008 09:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Interruption to Ens Telephone Service ENS 428852006-10-07T17:40:0007 October 2006 17:40:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Site Access Road Flooded ENS 428712006-10-02T04:00:0002 October 2006 04:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Offsite Sirens Inoperable for Planned Maintenance ENS 415332005-03-28T19:21:00028 March 2005 19:21:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Outage of Spds Due to System Upgrade ENS 406982004-04-22T14:45:00022 April 2004 14:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Safety Parameter Display System (Spds) Declared Inoperable ENS 401812003-09-19T15:30:00019 September 2003 15:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Sirens 2013-12-23T13:28:00 | |
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