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A notice of unusual event was declared for … A notice of unusual event was declared for 'Hazards and other conditions affecting plant safety' at 1303 EST for Emergency Action Level (EAL) HU1 as a result of a breaker/bus fault in a non-safety related feeder bus 'F'. The loss of the bus resulted in loss of cooling water tower pumps and fans and subsequently a loss of one cooling tower. There is indication of a pressure transient on the breaker panel and smoke but no fire. There is no indication of sabotage or terrorism, and no offsite assistance requested. There is no radiological release in progress. The NRC remains in the normal mode. NRC Resident staff are enroute to the site. Plant is stable at 55 % reactor power following a down-power maneuver from 100% reactor power with all safety related equipment operable.</br>* * * UPDATE FROM CARYLIN MCCOY TO JOHN KNOKE AT 0102 EST ON 01/09/11 * * *</br>At 0043 Palisades terminated from their Unusual Event for 'Hazards and Other Conditions Affecting Plant Safety'. The faulted bus has been isolated, and licensee started their investigation into the cause of this incident. The licensee has tagged out and racked out the breaker, and has isolated the startup power to the 'F' bus. The associated Startup Transformer has also been isolated. The 'F' bus and associated Startup Transformer will not be energized until the situation is better understood, and repaired if necessary. Power level will be maintained at 53% due to the loss of associated equipment supporting one cooling tower. The licensee is in a 72 hour LCO.</br>The licensee has notified the NRC Resident Inspector. Notified the R3DO (Christine Lipa), IRD MOC (Bill Gott), NRR EO (Mike Cheok), DHS (Gates), FEMA (Casto)EO (Mike Cheok), DHS (Gates), FEMA (Casto) +
18:03:00, 8 January 2011 +
46,524 +
13:21:00, 8 January 2011 +
18:03:00, 8 January 2011 +
A notice of unusual event was declared for … A notice of unusual event was declared for 'Hazards and other conditions affecting plant safety' at 1303 EST for Emergency Action Level (EAL) HU1 as a result of a breaker/bus fault in a non-safety related feeder bus 'F'. The loss of the bus resulted in loss of cooling water tower pumps and fans and subsequently a loss of one cooling tower. There is indication of a pressure transient on the breaker panel and smoke but no fire. There is no indication of sabotage or terrorism, and no offsite assistance requested. There is no radiological release in progress. The NRC remains in the normal mode. NRC Resident staff are enroute to the site. Plant is stable at 55 % reactor power following a down-power maneuver from 100% reactor power with all safety related equipment operable.</br>* * * UPDATE FROM CARYLIN MCCOY TO JOHN KNOKE AT 0102 EST ON 01/09/11 * * *</br>At 0043 Palisades terminated from their Unusual Event for 'Hazards and Other Conditions Affecting Plant Safety'. The faulted bus has been isolated, and licensee started their investigation into the cause of this incident. The licensee has tagged out and racked out the breaker, and has isolated the startup power to the 'F' bus. The associated Startup Transformer has also been isolated. The 'F' bus and associated Startup Transformer will not be energized until the situation is better understood, and repaired if necessary. Power level will be maintained at 53% due to the loss of associated equipment supporting one cooling tower. The licensee is in a 72 hour LCO.</br>The licensee has notified the NRC Resident Inspector. Notified the R3DO (Christine Lipa), IRD MOC (Bill Gott), NRR EO (Mike Cheok), DHS (Gates), FEMA (Casto)EO (Mike Cheok), DHS (Gates), FEMA (Casto) +
Has query"Has query" is a predefined property that represents meta information (in form of a <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Subobject">subobject</a>) about individual queries and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
100 +
00:00:00, 9 January 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>.
02:08:06, 2 March 2018 +
13:21:00, 8 January 2011 +
Christine Lipa + and John Knoke +
true +
false +
-0.196 d (-4.7 hours, -0.028 weeks, -0.00644 months) +
18:03:00, 8 January 2011 +
URL"URL" is a <a href="/Special:Types/URL" title="Special:Types/URL">type</a> and predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> to represent URI/URL values.