ENS 44471

v t e ENS Event
22:20 Sep 7, 2008
Title	Partial Loss of Offsite Communication Capability Caused by an Unplanned Power Outage
Event Description	On 09/07/2008 at 1720 CDT, Browns Ferry Nuclear Plant experienced a partial loss of offsite communication to include the Emergency Notification System to the NRC, normal phone communication to offsite, the Operations Duty Specialist ring down phone to Chattanooga and the satellite phone to offsite located in the control room. This loss of communications was the result of an unplanned electrical power outage due to loss of temporary diesel generator supplying power to the communications network. The control room indications and assessment capability were not affected. Cell phones and the Health Physics Radio Network were available to be used onsite to communicate offsite. The plant radio system and sound powered phones were unaffected and plant staff communication capability was available. Communication capability was restored at 1758 CDT 09/07/2008. Operation of Unit 1, Unit 2 and Unit 3 was not affected by the event. The NRC Sr. Resident Inspector has been notified. This event is reportable under 10CFR50.72(b)(3)(xiii), 'Any event that results in a major loss of emergency assessment capability, offsite response capability, or offsite communications capability (e.g., significant portion of control room indication, Emergency Notification System or offsite notification system.'

ENS 44471 +/-
Where
Browns Ferry Alabama (NRC Region 2)
Reporting

10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness
Time - Person (Reporting Time:+0.87 h0.0363 days <br />0.00518 weeks <br />0.00119 months <br />)
Opened:	Tim Boland 23:12 Sep 7, 2008
NRC Officer:	Steve Sandin
Last Updated:	Sep 7, 2008
44471 - NRC Website
v • d • e

v t e Emergency Notification System
Browns Ferry with 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness
WEEKMONTHYEAR2019-09-13T09:27:00 [Table view]
[ENS list for Browns Ferry]

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