ENS 50947: Difference between revisions
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| event date = 04/02/2015 01:49 CDT | | event date = 04/02/2015 01:49 CDT | ||
| last update date = 04/02/2015 | | last update date = 04/02/2015 | ||
| title = Loss | | title = Loss of Meteorological System Due to Lightning Strike | ||
| event text = At 0149 CDT on 4/2/2015, Cooper Nuclear Station received an alarm indication that the primary and backup Meteorological System (MET) had gone off-line as a result of a lightning strike on the MET tower. This resulted in a major loss of emergency assessment capabilities in regard to meteorological conditions. Technicians responded to the plant and restored the system at 0418 CDT. Loss of the MET system is considered a major loss of emergency assessment capability and is reportable under 10 CFR 50.72(b)(3)(xiii). | | event text = At 0149 CDT on 4/2/2015, Cooper Nuclear Station received an alarm indication that the primary and backup Meteorological System (MET) had gone off-line as a result of a lightning strike on the MET tower. This resulted in a major loss of emergency assessment capabilities in regard to meteorological conditions. Technicians responded to the plant and restored the system at 0418 CDT. Loss of the MET system is considered a major loss of emergency assessment capability and is reportable under 10 CFR 50.72(b)(3)(xiii). | ||
The licensee notified the NRC Resident Inspector. | The licensee notified the NRC Resident Inspector. | ||
Latest revision as of 20:48, 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:+3.98 h0.166 days <br />0.0237 weeks <br />0.00545 months <br />) | |
| Opened: | Steve Wheeler 10:48 Apr 2, 2015 |
| NRC Officer: | Donald Norwood |
| Last Updated: | Apr 2, 2015 |
| 50947 - NRC Website
| |