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Planned preventive maintenance activities … Planned preventive maintenance activities are being performed on the Hatch Nuclear Plant's Technical Support Center (TSC) Emergency Ventilation System on Monday, March 12, 2012. These maintenance activities include the performance of absorber charcoal replacement and DOP testing per 42SV-X75-001-1, 'Testing of TSC Filter Train.' These work activities are planned to be completed within the (12) hour day shift on 03/12/2012.</br>During the time these activities are being performed, the TSC Emergency Ventilation System will be inoperable. As such, the TSC HVAC will be rendered non-functional during the performance of these work orders. If an emergency is declared requiring activation of the TSC during the time these work activities are being performed, then the contingency plans call for utilization of the TSC as long as habitability and radiological conditions allow. Procedure 73EP-EIP-063-0, 'Technical Support Center Activation,' provides instructions to direct TSC management to the Control Room and TSC support personnel to the Simulator Building to continue TSC activities if it is necessary to relocate from the primary TSC so that TSC functions can be continued.</br>This event is reportable per 10CFR50.72 (b)(3)(xiii) as described in NUREG-1022, Rev. 1 since this work activity affects an emergency response facility for the duration of the evolution.</br>The licensee notified the NRC Resident Inspector.</br>* * * UPDATE FROM CHRIS BURKE TO JOHN KNOKE AT 1644 EDT ON 3/13/12 * * *</br>During post Preventive Maintenance (PM) activity testing, the TSC emergency filter train bypass valve 1X75F005 damper failed to meet leakage criteria (CR 422749). PM activities were halted and a corrective maintenance Work Order SNC377526 initiated at approximately 2030 EDT to investigate, repair and retest the bypass valve damper. Repair work to the TSC emergency filter train bypass valve was completed. The retest and verification was performed and the TSC HVAC system returned to service at 1550 EDT on 3/13/12.</br>The licensee has notified the NRC Resident Inspector. Notified the R2DO (Eugene Guthrie)ector. Notified the R2DO (Eugene Guthrie)
12:27:00, 12 March 2012 +
47,730 +
08:55:00, 12 March 2012 +
12:27:00, 12 March 2012 +
Planned preventive maintenance activities … Planned preventive maintenance activities are being performed on the Hatch Nuclear Plant's Technical Support Center (TSC) Emergency Ventilation System on Monday, March 12, 2012. These maintenance activities include the performance of absorber charcoal replacement and DOP testing per 42SV-X75-001-1, 'Testing of TSC Filter Train.' These work activities are planned to be completed within the (12) hour day shift on 03/12/2012.</br>During the time these activities are being performed, the TSC Emergency Ventilation System will be inoperable. As such, the TSC HVAC will be rendered non-functional during the performance of these work orders. If an emergency is declared requiring activation of the TSC during the time these work activities are being performed, then the contingency plans call for utilization of the TSC as long as habitability and radiological conditions allow. Procedure 73EP-EIP-063-0, 'Technical Support Center Activation,' provides instructions to direct TSC management to the Control Room and TSC support personnel to the Simulator Building to continue TSC activities if it is necessary to relocate from the primary TSC so that TSC functions can be continued.</br>This event is reportable per 10CFR50.72 (b)(3)(xiii) as described in NUREG-1022, Rev. 1 since this work activity affects an emergency response facility for the duration of the evolution.</br>The licensee notified the NRC Resident Inspector.</br>* * * UPDATE FROM CHRIS BURKE TO JOHN KNOKE AT 1644 EDT ON 3/13/12 * * *</br>During post Preventive Maintenance (PM) activity testing, the TSC emergency filter train bypass valve 1X75F005 damper failed to meet leakage criteria (CR 422749). PM activities were halted and a corrective maintenance Work Order SNC377526 initiated at approximately 2030 EDT to investigate, repair and retest the bypass valve damper. Repair work to the TSC emergency filter train bypass valve was completed. The retest and verification was performed and the TSC HVAC system returned to service at 1550 EDT on 3/13/12.</br>The licensee has notified the NRC Resident Inspector. Notified the R2DO (Eugene Guthrie)ector. Notified the R2DO (Eugene Guthrie)
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