Browse wiki
Jump to navigation
Jump to search
100 +
On September 7, 2006 at about 0750 CDST, a … On September 7, 2006 at about 0750 CDST, an invalid actuation of B train Engineered Safety Features Actuation System (ESFAS) occurred during maintenance on ESFAS relay K110 B. The following B train Engineered Safety Features Actuation System (ESFAS) relays de-energized: K101, K102, K103, K108 and K109.</br>The event is reportable per 10CFR 50.73(a)(2)(iv)(A) as a 60 day notification and is being reported to the NRC by phone within 60 days. </br>The invalid actuations did not occur when the systems had already been properly removed from service nor after the safety function had already been completed.</br>The 32B buss de-energized which resulted in loss of pressurizer heaters Bank B and Containment Fan Coolers B and D actuated by shifting to slow speed. There was no actual Emergency Core Cooling System (ECCS) system flows actuated. </br>All of the affected equipment functioned as designed when the relays deenergized</br>The NRC Senior Resident was informed of the event.Senior Resident was informed of the event. +
12:50:00, 7 September 2006 +
42,860 +
14:33:00, 25 September 2006 +
12:50:00, 7 September 2006 +
On September 7, 2006 at about 0750 CDST, a … On September 7, 2006 at about 0750 CDST, an invalid actuation of B train Engineered Safety Features Actuation System (ESFAS) occurred during maintenance on ESFAS relay K110 B. The following B train Engineered Safety Features Actuation System (ESFAS) relays de-energized: K101, K102, K103, K108 and K109.</br>The event is reportable per 10CFR 50.73(a)(2)(iv)(A) as a 60 day notification and is being reported to the NRC by phone within 60 days. </br>The invalid actuations did not occur when the systems had already been properly removed from service nor after the safety function had already been completed.</br>The 32B buss de-energized which resulted in loss of pressurizer heaters Bank B and Containment Fan Coolers B and D actuated by shifting to slow speed. There was no actual Emergency Core Cooling System (ECCS) system flows actuated. </br>All of the affected equipment functioned as designed when the relays deenergized</br>The NRC Senior Resident was informed of the event.Senior Resident was informed of the event. +
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, 25 September 2006 +
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>.
22:38:05, 24 September 2017 +
14:33:00, 25 September 2006 +
true +
false +
18.072 d (433.72 hours, 2.582 weeks, 0.594 months) +
12:50:00, 7 September 2006 +
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.