ENS Event | |
|---|---|
09:15 May 11, 2012 | |
| Title | Brief Loss of the Emergency Notification System Phone |
| Event Description | At approximately 0515 EDT today, Seabrook experienced a brief loss of the Emergency Notification System (ENS). The ENS was inoperable for approximately four minutes due to an unknown cause. During this time, commercial telephone lines were available as a means of communication with the NRC. A subsequent communications check using the ENS phone was satisfactory.
This event is being reported as an eight-hour notification in accordance with 10CFR50.72(b)(3)(xiii) for a loss of offsite ENS communications capability. Investigation into the cause continues and will be documented via the corrective action process. The licensee has notified the NRC Resident Inspector. |
| Where | |
|---|---|
Seabrook  New Hampshire (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+0.08 h0.00333 days <br />4.761905e-4 weeks <br />1.09584e-4 months <br />) | |
| Opened: | Robert Duarte 09:20 May 11, 2012 |
| NRC Officer: | Howie Crouch |
| Last Updated: | May 11, 2012 |
| 47917 - NRC Website | |
Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (85 %) |
| After | Power Operation (85 %) |
WEEKMONTHYEARENS 545692020-03-06T02:00:0006 March 2020 02:00:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Plant Computer Outage for System Upgrade ENS 519322016-05-16T07:00:00016 May 2016 07:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Seismic Monitoring System Out of Service for Planned Upgrade ENS 483632012-10-01T08:24:0001 October 2012 08:24:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Response Data System Is Unavailable for Service ENS 479172012-05-11T09:15:00011 May 2012 09:15:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Brief Loss of the Emergency Notification System Phone ENS 456642010-01-27T12:30:00027 January 2010 12:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Electrical Power Temporarily Removed from the Emergency Operations Facility for Maintenance ENS 452292009-07-27T11:52:00027 July 2009 11:52:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Removed from Service for Upgrades 2020-03-06T02:00:00 | |