Browse wiki
Jump to navigation
Jump to search
On August 8, 2017 at approximately 2043 ho … On August 8, 2017 at approximately 2043 hours, Secondary Containment Zone 2 experienced a loss of differential pressure following the replacement of the Zone 2 ventilation supply side filters.</br></br>Technical Specification Surveillance Requirement (SR) 3.6.4.1.1 was not met. Zone 2 differential pressure was recovered following the slight adjustment of the Reactor Building Zone 2 inlet dampers at approximately 2052 hours. Zones 1 and 3 were not affected. This event is being reported under 10 CFR 50.73(a)(2)(v)(C) as a condition that could have prevented fulfillment of a safety function.</br></br>The cause was determined to be increased supply air flow following the replacement of the supply side filters. An action to revise future work instructions to ensure operations support is available to adjust Zone 2 differential pressure control following Zone 2 Supply side filter replacement.</br></br>There were no actual consequences to the health and safety of the public as a result of this event.y of the public as a result of this event. +
On August 8, 2017 at approximately 2043 ho … On August 8, 2017 at approximately 2043 hours, Secondary Containment Zone 2 experienced a loss of differential pressure following the replacement of the Zone 2 ventilation supply side filters.</br></br>Technical Specification Surveillance Requirement (SR) 3.6.4.1.1 was not met. Zone 2 differential pressure was recovered following the slight adjustment of the Reactor Building Zone 2 inlet dampers at approximately 2052 hours. Zones 1 and 3 were not affected. This event is being reported under 10 CFR 50.73(a)(2)(v)(C) as a condition that could have prevented fulfillment of a safety function.</br></br>The cause was determined to be increased supply air flow following the replacement of the supply side filters. An action to revise future work instructions to ensure operations support is available to adjust Zone 2 differential pressure control following Zone 2 Supply side filter replacement.</br></br>There were no actual consequences to the health and safety of the public as a result of this event.y of the public as a result of this 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>.
7 +
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>.
04:53:59, 3 March 2018 +
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.