ENS Event | |
|---|---|
07:00 May 16, 2016 | |
| Title | Seismic Monitoring System Out of Service for Planned Upgrade |
| Event Description | At 0300 EDT on May 16, 2016, Seabrook Station's seismic monitoring instrumentation will be removed from service for a planned upgrade to the Seismic Monitoring Control Panel and its accelerometers. Modifications are expected to be complete on May 27, 2016. Proceduralized compensatory measures are in place and have been communicated to applicable emergency response decision makers. This preplanned action is being reported in accordance with 10 CFR 50.72(b)(xiii).
The NRC Resident Inspector has been notified.
At 2045 EDT on 5/26/16, the seismic monitoring system was returned to service. The licensee notified the NRC Resident Inspector. Notified R1DO (Lilliendahl). |
| Where | |
|---|---|
Seabrook  New Hampshire (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-4.97 h-0.207 days <br />-0.0296 weeks <br />-0.00681 months <br />) | |
| Opened: | Matthew Larrabee 02:02 May 16, 2016 |
| NRC Officer: | Dan Livermore |
| Last Updated: | May 26, 2016 |
| 51932 - NRC Website | |
Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
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 | |