ENS 42206: Difference between revisions
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| event date = 12/15/2005 09:30 EST | | event date = 12/15/2005 09:30 EST | ||
| last update date = 12/20/2005 | | last update date = 12/20/2005 | ||
| title = Loss | | title = Loss of Emergency Siren Power | ||
| event text = On December 15, 2005, at 0930 hours, it was determined that approximately 17 of 65 Oconee Nuclear Station emergency sirens, located in Pickens and Oconee Counties, failed to send a feedback signal when checked. It is postulated that these sirens are inoperable due to a loss of power attributed to severe icing conditions currently being experienced in both counties. At the time of discovery, current weather conditions were a steady light rain with a temperature of 33 degrees F. | | event text = On December 15, 2005, at 0930 hours, it was determined that approximately 17 of 65 Oconee Nuclear Station emergency sirens, located in Pickens and Oconee Counties, failed to send a feedback signal when checked. It is postulated that these sirens are inoperable due to a loss of power attributed to severe icing conditions currently being experienced in both counties. At the time of discovery, current weather conditions were a steady light rain with a temperature of 33 degrees F. | ||
Duke is currently attempting to restore power to the affected sirens but does not expect to have all of the inoperable sirens back in service until later in the day. During the loss of siren period, a compensatory means of notifying the public has been put into place to include routing of local law enforcement personnel to the affected areas for public notification should an emergency occur at the station. Because more than 25% of the sirens were unavailable as a result of this event, this event constitutes a major loss of notification capability; consequently, this event is reported as an eight -hour notification in accordance with 10CFR50.72(b)(3)(xiii) reporting criteria. | Duke is currently attempting to restore power to the affected sirens but does not expect to have all of the inoperable sirens back in service until later in the day. During the loss of siren period, a compensatory means of notifying the public has been put into place to include routing of local law enforcement personnel to the affected areas for public notification should an emergency occur at the station. Because more than 25% of the sirens were unavailable as a result of this event, this event constitutes a major loss of notification capability; consequently, this event is reported as an eight -hour notification in accordance with 10CFR50.72(b)(3)(xiii) reporting criteria. | ||
Latest revision as of 22:19, 1 March 2018
| Where | |
|---|---|
Oconee  South Carolina (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-2.18 h-0.0908 days <br />-0.013 weeks <br />-0.00299 months <br />) | |
| Opened: | Stephan C. Newman 12:19 Dec 15, 2005 |
| NRC Officer: | Joe O'Hara |
| Last Updated: | Dec 20, 2005 |
| 42206 - NRC Website
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