ENS 46490: Difference between revisions
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| event date = 12/19/2010 00:08 CST | | event date = 12/19/2010 00:08 CST | ||
| last update date = 12/19/2010 | | last update date = 12/19/2010 | ||
| title = Quickly Concluded Notice | | title = Quickly Concluded Notice of Unusual Event Due to a Loss of Communications | ||
| event text = At 2355 CST, on 12/18/2010, the Control Room was notified by security of the inability of offsite personnel to call into the plant. [At] 0008 CST, on 12/19/2010, the control room verified that the ENS Phone, Conference Operation Network (COP), Security Building, Training Center, and Blair Phone Lines were not functional. At 0011 CST, a Notice of Unusual Event (NOUE) was declared per IC SU6 EAL 2. This also meets the criteria for a Major Loss of Communications Capability under 10 CFR 50.72(b)(3)(xiii). | | event text = At 2355 CST, on 12/18/2010, the Control Room was notified by security of the inability of offsite personnel to call into the plant. [At] 0008 CST, on 12/19/2010, the control room verified that the ENS Phone, Conference Operation Network (COP), Security Building, Training Center, and Blair Phone Lines were not functional. At 0011 CST, a Notice of Unusual Event (NOUE) was declared per IC SU6 EAL 2. This also meets the criteria for a Major Loss of Communications Capability under 10 CFR 50.72(b)(3)(xiii). | ||
At 0028 CST, the control room was notified by security that Huntel Communications was attempting to correct the communications issue. At 0030 CST, the COP phone was restored. At 0046 CST, the ENS phone was verified to be functional. | At 0028 CST, the control room was notified by security that Huntel Communications was attempting to correct the communications issue. At 0030 CST, the COP phone was restored. At 0046 CST, the ENS phone was verified to be functional. | ||
Latest revision as of 22:08, 1 March 2018
| Where | |
|---|---|
Ft Calhoun  Nebraska (NRC Region 4) | |
| Reporting | |
| Emergency class: | Unusual Event |
| 10 CFR 50.72(a) (1) (i), Emergency Class Declaration 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-4.48 h-0.187 days <br />-0.0267 weeks <br />-0.00614 months <br />) | |
| Opened: | Nathan Seid 01:39 Dec 19, 2010 |
| NRC Officer: | Dong Park |
| Last Updated: | Dec 19, 2010 |
| 46490 - NRC Website
| |
Fort Calhoun with 10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |