ENS 49500
ENS Event | |
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07:00 Nov 5, 2013 | |
Title | Technical Support Center Out of Service for Planned Maintenance |
Event Description | A planned maintenance activity at Cooper Nuclear Station [CNS] will remove the TSC [Technical Support Center] ventilation system from service. The TSC ventilation system will be rendered non-functional during this maintenance period. The maintenance activity on the TSC ventilation is expected to last less than one day.
If an emergency is declared requiring TSC activation during this period, the TSC will be staffed and activated using existing emergency planning procedures unless uninhabitable due to ambient temperature, radiological, or other conditions. CNS Station procedures provide appropriate monitoring and compensatory measures to ensure habitability of the TSC and, if necessary, instructions for relocation of TSC personnel to alternate TSC facilities, should the need arise. Both of these alternate facilities are equipped with emergency ventilation systems and are currently fully functional. In the event of TSC activation, maintenance will be expedited to restore ventilation to service. This notification is being made in accordance with 10 CFR 50.72(b)(3)(xiii) due to the loss of an Emergency Response Facility (ERF). An update will be provided once the TSC ventilation system has been restored to normal operation. The licensee has notified the NRC Resident Inspector.
Cooper Nuclear Station Technical Support Center ventilation system has been restored to service following planned maintenance. The NRC Resident Inspector has been informed. Notified R4DO (Drake). |
Where | |
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Cooper ![]() Nebraska (NRC Region 4) | |
Reporting | |
10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
Time - Person (Reporting Time:+-13.98 h-0.583 days <br />-0.0832 weeks <br />-0.0191 months <br />) | |
Opened: | David Nelson Madsen 17:01 Nov 4, 2013 |
NRC Officer: | Howie Crouch |
Last Updated: | Nov 5, 2013 |
49500 - 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 %) |
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