ENS 43835: Difference between revisions
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| event date = 12/11/2007 10:19 CST | | event date = 12/11/2007 10:19 CST | ||
| last update date = 12/13/2007 | | last update date = 12/13/2007 | ||
| title = Loss | | title = Loss of 11 Alert and Notification Sirens Due to Severe Ice Storm | ||
| event text = Due to a severe winter ice storm in the area surrounding Cooper Nuclear Station, 11 of 24 Alert and Notification System Sirens were discovered to be out of service as of 1019 hours on 12/11/07. This event impacts the ability to readily notify a portion of the 10 Mile Emergency Planning Zone (EPZ) Population for Cooper Nuclear Station. This event also meets NRC 8 hour reporting criterion 10 CFR 50.72(b)(3)(xiii), major loss of the off-site emergency notification system. | | event text = Due to a severe winter ice storm in the area surrounding Cooper Nuclear Station, 11 of 24 Alert and Notification System Sirens were discovered to be out of service as of 1019 hours on 12/11/07. This event impacts the ability to readily notify a portion of the 10 Mile Emergency Planning Zone (EPZ) Population for Cooper Nuclear Station. This event also meets NRC 8 hour reporting criterion 10 CFR 50.72(b)(3)(xiii), major loss of the off-site emergency notification system. | ||
Eight of the failed sirens are located in Atchison County, MO (Seven have failed directly due to loss of AC power and one has partially failed due to other aspects of the storm). One of the failed sirens is located in Richardson County, NE (due to direct loss of AC Power). The other two sirens are located in Nemaha County, NE (One has failed directly due to loss of AC power and one has partially failed due to other aspects of the storm). | Eight of the failed sirens are located in Atchison County, MO (Seven have failed directly due to loss of AC power and one has partially failed due to other aspects of the storm). One of the failed sirens is located in Richardson County, NE (due to direct loss of AC Power). The other two sirens are located in Nemaha County, NE (One has failed directly due to loss of AC power and one has partially failed due to other aspects of the storm). | ||
Latest revision as of 22:15, 1 March 2018
| Where | |
|---|---|
Cooper  Nebraska (NRC Region 4) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+0.02 h8.333333e-4 days <br />1.190476e-4 weeks <br />2.7396e-5 months <br />) | |
| Opened: | Steve Wheeler 16:20 Dec 11, 2007 |
| NRC Officer: | Jason Kozal |
| Last Updated: | Dec 13, 2007 |
| 43835 - NRC Website
| |