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On July 26, 2016 at 1252 hours (CDT), the … On July 26, 2016 at 1252 hours (CDT), the Control Room Emergency Ventilation (CREV) system was declared inoperable due to a toxic gas analyzer spurious alarm which resulted in the 'B' Air Filtration Unit (AFU) being inadvertently isolated. In this condition, Control Room Emergency Ventilation (CREV) system cannot be guaranteed to achieve required design flow rate. Tech Spec 3.7.4, Condition A was entered which requires the CREV system to be restored to an operable status in seven (7) days.</br>The CREV system maintains a habitable control room environment and ensures the operability of components in the control room emergency zone during accident conditions as well as protection of the operators from a high dose environment assumed during a design basis accident.</br>This notification is being made in accordance with 10 CFR 50.72(b)(3)(v)(D), 'Event or Condition That Could Have Prevented Fulfillment of a Safety Function,' because the CREV system is a single train system required to mitigate the consequences of an accident.</br>The NRC Resident Inspector has been notified. NRC Resident Inspector has been notified. +
17:52:00, 26 July 2016 +
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18:12:00, 26 July 2016 +
17:52:00, 26 July 2016 +
On July 26, 2016 at 1252 hours (CDT), the … On July 26, 2016 at 1252 hours (CDT), the Control Room Emergency Ventilation (CREV) system was declared inoperable due to a toxic gas analyzer spurious alarm which resulted in the 'B' Air Filtration Unit (AFU) being inadvertently isolated. In this condition, Control Room Emergency Ventilation (CREV) system cannot be guaranteed to achieve required design flow rate. Tech Spec 3.7.4, Condition A was entered which requires the CREV system to be restored to an operable status in seven (7) days.</br>The CREV system maintains a habitable control room environment and ensures the operability of components in the control room emergency zone during accident conditions as well as protection of the operators from a high dose environment assumed during a design basis accident.</br>This notification is being made in accordance with 10 CFR 50.72(b)(3)(v)(D), 'Event or Condition That Could Have Prevented Fulfillment of a Safety Function,' because the CREV system is a single train system required to mitigate the consequences of an accident.</br>The NRC Resident Inspector has been notified. NRC Resident Inspector has been notified. +
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, 26 July 2016 +
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>.
22:16:20, 24 September 2017 +
18:12:00, 26 July 2016 +
true +
false +
0.0138 d (0.33 hours, 0.00196 weeks, 4.52034e-4 months) +
17:52:00, 26 July 2016 +
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.