ENS 47056
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ENS Event | |
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09:00 Jul 16, 2011 | |
Title | Technical Support Center Non-Functional Due to Planned Maintenance |
Event Description | At 0500 on Saturday, July 16th and 0700 on Saturday, July 23rd, a sequence of activities are planned that will render the Technical Support Center (TSC) non-functional by removing all normal and emergency power. These activities are being performed in support of planned TSC facility upgrades. In preparation for this power outage(s), the TSC emergency responders were notified that use of the alternate TSC will be required in accordance with station procedures. Each TSC emergency response function has performed a walkdown and verification that required functions can be established in the alternate location. The duration for each of these TSC power outages is expected to be less than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. The NRC Operations Center will be provided an update to this notification when power has been removed and restored during this time period.
The licensee has notified the NRC Resident Inspector.
On 7/16/2011 at 0707 power was removed from the TSC. If necessary, the alternate TSC is ready for use.
On 7/16/11 at 1729 EDT, power was restored to the TSC. The TSC has been restored to a normal operational status and can be utilized for emergency response. The licensee has notified the NRC Resident Inspector. R2DO (Freeman) notified.
On 7/23/11 at 0645 power was removed from the TSC. If necessary, the alternate TSC is ready for use. The licensee has notified the NRC Resident Inspector. R2DO (Sykes) notified.
[At 1613], "power has been restored to the TSC. The normal TSC can be utilized for ERO response. There are no further planned TSC outages at this time. Notified the R2DO (Sykes). |
Where | |
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Crystal River Florida (NRC Region 2) | |
Reporting | |
10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
Time - Person (Reporting Time:+-19.75 h-0.823 days <br />-0.118 weeks <br />-0.0271 months <br />) | |
Opened: | Chris Yarashevich 13:15 Jul 15, 2011 |
NRC Officer: | Donald Norwood |
Last Updated: | Jul 23, 2011 |
47056 - NRC Website
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Unit 3 | |
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Reactor critical | Not Critical |
Scram | No |
Before | Refueling Shutdown (0 %) |
After | Refueling Shutdown (0 %) |
WEEKMONTHYEARENS 485562012-12-04T17:00:0004 December 2012 17:00:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Temporary Emergency Operating Facility Established for Planned Outage ENS 483912012-10-09T14:57:0009 October 2012 14:57:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Assessment Capability at the Emergency Operations Facility ENS 470562011-07-16T09:00:00016 July 2011 09:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Non-Functional Due to Planned Maintenance ENS 434752007-07-07T15:03:0007 July 2007 15:03:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Safety Parameter Display System (Spds) Due to Planned Modification ENS 421222005-11-06T14:35:0006 November 2005 14:35:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Temporary Loss of Offsite Notification Sirens 2012-12-04T17:00:00 | |
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