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During routine testing of the Technical Su … During routine testing of the Technical Support Center (TSC) ventilation system, the charcoal filter emergency supply fan did not start as required. As a result, under certain accident conditions, the TSC may become uninhabitable because of the inability of the charcoal filtration unit to maintain environmental conditions within limits.</br>If an emergency is declared requiring TSC activation during this period, the TSC will be staffed and activated using existing emergency planning procedures unless the TSC becomes uninhabitable due to radiological or other conditions. If relocation of the TSC becomes necessary, Operational Support Center (OSC) and TSC personnel will relocate to an alternate TSC location in accordance with applicable site procedures with primary TSC and OSC positions reporting to the Main Control Room (which is capable of supporting the additional personnel). </br>This notification is being made in accordance with 10CFR50.72(b)(3)(xiii) due to the potential loss of an Emergency Response Facility (ERF). </br>Troubleshooting is in progress to determine the cause of the equipment failure. An update will be provided once the TSC ventilation has been restored to normal operation.</br>The NRC Resident Inspector has been notified.</br>* * * UPDATE FROM TIM GATES TO CHARLES TEAL ON 1742 EDT 4/13/10 * * *</br>The failure of the fan to start was caused by loose linkages for a limit switch. The problem has been repaired and the TSC has been returned to service.</br>The NRC Resident Inspector has been informed. </br>Informed R4DO (Spitzberg).een informed.
Informed R4DO (Spitzberg). +
10:01:00, 13 April 2010 +
45,836 +
12:12:00, 13 April 2010 +
10:01:00, 13 April 2010 +
During routine testing of the Technical Su … During routine testing of the Technical Support Center (TSC) ventilation system, the charcoal filter emergency supply fan did not start as required. As a result, under certain accident conditions, the TSC may become uninhabitable because of the inability of the charcoal filtration unit to maintain environmental conditions within limits.</br>If an emergency is declared requiring TSC activation during this period, the TSC will be staffed and activated using existing emergency planning procedures unless the TSC becomes uninhabitable due to radiological or other conditions. If relocation of the TSC becomes necessary, Operational Support Center (OSC) and TSC personnel will relocate to an alternate TSC location in accordance with applicable site procedures with primary TSC and OSC positions reporting to the Main Control Room (which is capable of supporting the additional personnel). </br>This notification is being made in accordance with 10CFR50.72(b)(3)(xiii) due to the potential loss of an Emergency Response Facility (ERF). </br>Troubleshooting is in progress to determine the cause of the equipment failure. An update will be provided once the TSC ventilation has been restored to normal operation.</br>The NRC Resident Inspector has been notified.</br>* * * UPDATE FROM TIM GATES TO CHARLES TEAL ON 1742 EDT 4/13/10 * * *</br>The failure of the fan to start was caused by loose linkages for a limit switch. The problem has been repaired and the TSC has been returned to service.</br>The NRC Resident Inspector has been informed. </br>Informed R4DO (Spitzberg).een informed.
Informed R4DO (Spitzberg). +
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