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Event Notification Report for February 5, 2010

U.S. Nuclear Regulatory Commission
Operations Center

Event Reports For
02/04/2010 - 02/05/2010

** EVENT NUMBERS **


45671

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Power Reactor Event Number: 45671
Facility: COLUMBIA GENERATING STATION
Region: 4 State: WA
Unit: [2] [ ] [ ]
RX Type: [2] GE-5
NRC Notified By: NICK RULLMAN
HQ OPS Officer: HOWIE CROUCH
Notification Date: 02/01/2010
Notification Time: 22:39 [ET]
Event Date: 02/01/2010
Event Time: 19:13 [PST]
Last Update Date: 02/04/2010
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(3)(xiii) - LOSS COMM/ASMT/RESPONSE
Person (Organization):
VINCENT GADDY (R4DO)

Unit SCRAM Code RX CRIT Initial PWR Initial RX Mode Current PWR Current RX Mode
2 N Y 100 Power Operation 100 Power Operation

Event Text

TSC UNAVAILABLE FOR PLANNED HVAC MAINTENANCE

"At 1913 on 02/01/2010, the Technical Support Center (TSC) was removed from service for planned maintenance. This event is being reported as a loss of emergency preparedness capabilities in accordance with 10 CFR 50.72(b)(3)(xiii). Maintenance will include replacement of carbon filter media in the TSC HVAC system. The total duration of the maintenance activities is expected to be approximately 24 hours. The Emergency Response Organization has been notified of the outage and provided instructions for responding if needed. No other emergency response facilities are impacted by this maintenance work. The NRC Resident Inspector has been notified. A follow up notification will be made when the maintenance work has been completed."


* * * UPDATE FROM RICK GARCIA TO DONALD NORWOOD ON 02/04/2010 AT 1211 EST * * *

Maintenance was completed and the TSC returned to service at 2328 PST on 02/03/2010. The NRC Resident Inspector has been notified.

Notified R4DO (Gaddy).

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