ENS 44745
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ENS Event | |
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11:15 Dec 29, 2008 | |
Title | Loss of Ens and Commercial Phone Service |
Event Description | At approximately 0615 on December 29, 2008, it was determined that the Emergency Notification System (ENS) and commercial telecommunications capability were out of service. The condition impacts both the Control Room and the Technical Support Center. The problem has been determined to be an offsite issue with the telecommunications provider. Immediately after discovery of the condition, communications capability via satellite phone was tested and established between the Palisades Control Room and the NRC Operations Center. In addition, if needed, the satellite phone will be used to initiate call-out of the emergency response organization and to contact the regional load dispatcher. This condition did not affect the ENS or commercial capabilities at the offsite Emergency Operations Facility. The telecommunications provider has not provided an estimated repair time.
The licensee notified the NRC Resident Inspector.
The telecommunications provider restored full ENS and commercial telecommunications capability to the Palisades Nuclear Plant at approximately 2100 EST. The condition was caused by an offsite fiber-optic cable that had been accidentally severed. The licensee notified the NRC Resident Inspector. Notified the R3DO (Cameron). |
Where | |
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Palisades ![]() Michigan (NRC Region 3) | |
Reporting | |
10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
Time - Person (Reporting Time:+0.07 h0.00292 days <br />4.166667e-4 weeks <br />9.5886e-5 months <br />) | |
Opened: | Terry Davis 11:19 Dec 29, 2008 |
NRC Officer: | Donald Norwood |
Last Updated: | Dec 29, 2008 |
44745 - NRC Website
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Unit 1 | |
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Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
WEEKMONTHYEARENS 565012023-05-02T19:00:0002 May 2023 19:00:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communications ENS 499242014-03-17T18:18:00017 March 2014 18:18:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Displayed Meteorological Data Potentially Inaccurate ENS 447452008-12-29T11:15:00029 December 2008 11:15:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Ens and Commercial Phone Service ENS 435942007-08-24T23:57:00024 August 2007 23:57:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Partial Loss of Process Computer Parameters to Erds ENS 420532005-10-12T21:09:00012 October 2005 21:09:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Partial Loss of Plant Process Computer 2023-05-02T19:00:00 | |
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