ENS 42241: Difference between revisions
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| event date = 01/04/2006 11:00 CST | | event date = 01/04/2006 11:00 CST | ||
| last update date = 01/04/2006 | | last update date = 01/04/2006 | ||
| title = Partial Loss | | title = Partial Loss of Emergency Sirens | ||
| event text = On 01/04/06, while performing the Emergency Siren Monthly Test it was determined that 14 out of 143 (9.7%) of the Emergency sirens had failed. A Notification is required because of the major loss of offsite response capability, i.e., the public prompt notification system. | | event text = On 01/04/06, while performing the Emergency Siren Monthly Test it was determined that 14 out of 143 (9.7%) of the Emergency sirens had failed. A Notification is required because of the major loss of offsite response capability, i.e., the public prompt notification system. | ||
Calculating the percentage of failures with a total count of 143 sirens results in an approximately 10% failure rate or a 'significant number of failures.' | Calculating the percentage of failures with a total count of 143 sirens results in an approximately 10% failure rate or a 'significant number of failures.' | ||
Latest revision as of 21:19, 1 March 2018
| Where | |
|---|---|
Duane Arnold  Iowa (NRC Region 3) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-1.75 h-0.0729 days <br />-0.0104 weeks <br />-0.0024 months <br />) | |
| Opened: | Hans Olson 15:15 Jan 4, 2006 |
| NRC Officer: | Bill Huffman |
| Last Updated: | Jan 4, 2006 |
| 42241 - NRC Website
| |