ENS 47721: Difference between revisions
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| event date = 03/06/2012 16:13 CST | | event date = 03/06/2012 16:13 CST | ||
| last update date = 03/06/2012 | | last update date = 03/06/2012 | ||
| title = Loss | | title = Loss of Emergency Sirens Due to Router Power Supply Failure | ||
| event text = At 1613 [CST], FCS [Fort Calhoun Station] Control Room was notified by corporate communications that 2 non-adjacent sirens out of 101 total sirens lost communication. These were Siren #1 at 1602 [CST] and Siren #50 at 1609 [CST] due to potential router issues. Required compensatory actions were established at 1630 [CST] for loss of the 2 sirens. Initial troubleshooting revealed radio communication failed at 1543 [CST] and manual testing of the remaining sirens was instituted. | | event text = At 1613 [CST], FCS [Fort Calhoun Station] Control Room was notified by corporate communications that 2 non-adjacent sirens out of 101 total sirens lost communication. These were Siren #1 at 1602 [CST] and Siren #50 at 1609 [CST] due to potential router issues. Required compensatory actions were established at 1630 [CST] for loss of the 2 sirens. Initial troubleshooting revealed radio communication failed at 1543 [CST] and manual testing of the remaining sirens was instituted. | ||
At 1643 [CST], corporate communications notified the Control Room initial testing on Siren #2 was not responding and indicative that all sirens were lost. Based on that report, all sirens for the Alert Notification System within the Emergency Planning Zone (EPZ) were declared nonfunctional and notifications were completed. Local Law Enforcement has been notified in the required surrounding counties to perform required actions in case of an emergency with the sirens unavailable. Compensatory measures are in place to ensure notification of the public by local law enforcement in case of an actual emergency. | At 1643 [CST], corporate communications notified the Control Room initial testing on Siren #2 was not responding and indicative that all sirens were lost. Based on that report, all sirens for the Alert Notification System within the Emergency Planning Zone (EPZ) were declared nonfunctional and notifications were completed. Local Law Enforcement has been notified in the required surrounding counties to perform required actions in case of an emergency with the sirens unavailable. Compensatory measures are in place to ensure notification of the public by local law enforcement in case of an actual emergency. | ||
Latest revision as of 21:04, 1 March 2018
| Where | |
|---|---|
Fort Calhoun  Nebraska (NRC Region 4) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-2.67 h-0.111 days <br />-0.0159 weeks <br />-0.00366 months <br />) | |
| Opened: | Scott Moeck 19:33 Mar 6, 2012 |
| NRC Officer: | Vince Klco |
| Last Updated: | Mar 6, 2012 |
| 47721 - NRC Website
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