ENS 45323: Difference between revisions
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| event date = 09/02/2009 08:30 EDT | | event date = 09/02/2009 08:30 EDT | ||
| last update date = 09/10/2009 | | last update date = 09/10/2009 | ||
| title = Loss | | title = Loss of Spds Computer | ||
| event text = This 8-hour non-emergency report is being made based upon requirements of 10CFR50.72(b)(3)(xiii) which states, 'The licensee shall notify the NRC as soon as practical and in all cases within eight hours of the occurrence of any event that results in a major loss of emergency assessment capability, offsite response capability, or offsite communications capability (e.g., significant portion of control room indication, Emergency Notification System, or offsite notification system).' An example of a major loss of emergency assessment capability is when the Safety Parameter Display System (SPDS) computer is unavailable for greater than eight hours. | | event text = This 8-hour non-emergency report is being made based upon requirements of 10CFR50.72(b)(3)(xiii) which states, 'The licensee shall notify the NRC as soon as practical and in all cases within eight hours of the occurrence of any event that results in a major loss of emergency assessment capability, offsite response capability, or offsite communications capability (e.g., significant portion of control room indication, Emergency Notification System, or offsite notification system).' An example of a major loss of emergency assessment capability is when the Safety Parameter Display System (SPDS) computer is unavailable for greater than eight hours. | ||
At 0830 EDT on Wednesday, September 02, 2009 the SPDS Computer was found by the computer department to have one of three interface modules failed. The interface module transports data from the radwaste computer to SPDS. The failure resulted in a loss of 187 SPDS points. | At 0830 EDT on Wednesday, September 02, 2009 the SPDS Computer was found by the computer department to have one of three interface modules failed. The interface module transports data from the radwaste computer to SPDS. The failure resulted in a loss of 187 SPDS points. | ||
Latest revision as of 21:11, 1 March 2018
| Where | |
|---|---|
Nine Mile Point  New York (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+6.83 h0.285 days <br />0.0407 weeks <br />0.00936 months <br />) | |
| Opened: | Thomas Tanguay 19:20 Sep 2, 2009 |
| NRC Officer: | Donald Norwood |
| Last Updated: | Sep 10, 2009 |
| 45323 - NRC Website
| |