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(Three) of the (eleven) emergency notifica … (Three) of the (eleven) emergency notification sirens became non functional when a severe thunderstorm passed through the area. The Coffey County Sheriffs office reported that they received telemetry notifications that the sirens were out of service. Pursuant to 50.72(b)(3)(xiii), the loss of alert systems (sirens) greater than one hour require an 8-hour notification. The exact cause of the siren loss (i.e. power outage, downed pole, etc) is not known and, as of the time of reporting, the duration of the siren outage cannot be determined.</br>No damage to plant equipment or structures was identified from the severe weather and all outside work activities has resumed.</br>The NRC Resident Inspector has been notified.</br>* * * RETRACTED AT 1430 EDT ON 04/04/11 FROM WARREN BRANDT TO DONG PARK * * * </br>The licensee is retracting this event based on the following:</br>The emergency notification sirens have a battery backup when normal power is lost. Normal power was restored in approximately four hours. It was verified that the three sirens were powered from the battery backup during the time that normal power was unavailable and were always functional. Therefore, this event is not reportable per 10 CFR 50.72.</br>The NRC Resident Inspector has been notified.</br>Notified R4DO (OKeefe).has been notified.
Notified R4DO (OKeefe). +
05:30:00, 4 April 2011 +
46,720 +
01:51:00, 4 April 2011 +
05:30:00, 4 April 2011 +
(Three) of the (eleven) emergency notifica … (Three) of the (eleven) emergency notification sirens became non functional when a severe thunderstorm passed through the area. The Coffey County Sheriffs office reported that they received telemetry notifications that the sirens were out of service. Pursuant to 50.72(b)(3)(xiii), the loss of alert systems (sirens) greater than one hour require an 8-hour notification. The exact cause of the siren loss (i.e. power outage, downed pole, etc) is not known and, as of the time of reporting, the duration of the siren outage cannot be determined.</br>No damage to plant equipment or structures was identified from the severe weather and all outside work activities has resumed.</br>The NRC Resident Inspector has been notified.</br>* * * RETRACTED AT 1430 EDT ON 04/04/11 FROM WARREN BRANDT TO DONG PARK * * * </br>The licensee is retracting this event based on the following:</br>The emergency notification sirens have a battery backup when normal power is lost. Normal power was restored in approximately four hours. It was verified that the three sirens were powered from the battery backup during the time that normal power was unavailable and were always functional. Therefore, this event is not reportable per 10 CFR 50.72.</br>The NRC Resident Inspector has been notified.</br>Notified R4DO (OKeefe).has been notified.
Notified R4DO (OKeefe). +
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00:00:00, 4 April 2011 +
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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