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On 9/26/12, the Monticello Nuclear Generat … On 9/26/12, the Monticello Nuclear Generating Plant's TSC power supply will be isolated to perform a planned maintenance activity. The maintenance activity requires implementation of compensatory measures to maintain TSC functions during the planned activity. Compensatory measures include having the Emergency Director report to Control Room and relocating the remaining TSC staff at the EOF should an event be declared requiring Emergency Response Organization (ERO) activation. Maintenance activity is scheduled to be complete with the TSC fully functional by end of dayshift on 9/26/12. Site ERO has been notified of maintenance activity and instructed on planned compensatory measures to be implemented during activity if required. This event is considered reportable per 10CFR50.72(b)(3)(xiii). The licensee notified the NRC Resident Inspector.</br>The licensee will notify the Minnesota State Duty Officer, and the Sherriff Departments for both Wright and Sherburne Counties.</br>* * * UPDATE ON 9/26/12 AT 1734 EDT FROM TOM PROELL TO DONG PARK * * *</br>At approximately 1520 Central time, a disturbance occurred in the 12.5kV system during restoration activities for the TSC power supply. This would have caused a Major Loss of Emergency Assessment Capability and thus is reportable under 10CFR50.72(b)(3)(xiii). The licensee is investigating the disturbance. The EOF and all other emergency assessment capabilities were verified functional. The licensee notified NRC Resident Inspector.</br>The disturbance to the 12.5kV system did not affect plant operations.</br>Notified R3DO (Lipa).ct plant operations.
Notified R3DO (Lipa). +
13:00:00, 26 September 2012 +
48,345 +
09:47:00, 26 September 2012 +
13:00:00, 26 September 2012 +
On 9/26/12, the Monticello Nuclear Generat … On 9/26/12, the Monticello Nuclear Generating Plant's TSC power supply will be isolated to perform a planned maintenance activity. The maintenance activity requires implementation of compensatory measures to maintain TSC functions during the planned activity. Compensatory measures include having the Emergency Director report to Control Room and relocating the remaining TSC staff at the EOF should an event be declared requiring Emergency Response Organization (ERO) activation. Maintenance activity is scheduled to be complete with the TSC fully functional by end of dayshift on 9/26/12. Site ERO has been notified of maintenance activity and instructed on planned compensatory measures to be implemented during activity if required. This event is considered reportable per 10CFR50.72(b)(3)(xiii). The licensee notified the NRC Resident Inspector.</br>The licensee will notify the Minnesota State Duty Officer, and the Sherriff Departments for both Wright and Sherburne Counties.</br>* * * UPDATE ON 9/26/12 AT 1734 EDT FROM TOM PROELL TO DONG PARK * * *</br>At approximately 1520 Central time, a disturbance occurred in the 12.5kV system during restoration activities for the TSC power supply. This would have caused a Major Loss of Emergency Assessment Capability and thus is reportable under 10CFR50.72(b)(3)(xiii). The licensee is investigating the disturbance. The EOF and all other emergency assessment capabilities were verified functional. The licensee notified NRC Resident Inspector.</br>The disturbance to the 12.5kV system did not affect plant operations.</br>Notified R3DO (Lipa).ct plant operations.
Notified R3DO (Lipa). +
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Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
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