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At 2120 (hrs. CDT) on October 8, 2004, whiAt 2120 (hrs. CDT) on October 8, 2004, while performing the 'Control Room Emergency Ventilation System Test,' which verifies the integrity of the control room envelope, it was determined that the positive pressure requirement of greater than or equal to 0.125 inches water gauge for the control room envelope in Technical Specification Surveillance Requirement 3.7.4.4 could not be met for all specified test points. As a result, Control Room Emergency Ventilation System was declared inoperable and Technical Specification 3.7.4, Condition A was entered.</br>Recently completed surveillance testing has demonstrated that a positive pressure ranging from 0.056 to 0.301 inches water gauge is being maintained in the control room envelope; therefore it is expected that the safety function is being met.</br>However, this notification is being made in accordance with 10 CFR 50.72(b)(3)(v)(D) because the Control Room Emergency Ventilation System is a single train safety system and the Technical Specification requirement is not met. The affect of the failure to meet the Technical Specification requirements on the ability to perform the safety function is continuing to be evaluated.</br>The licensee notified the NRC resident inspector.ensee notified the NRC resident inspector.  +
02:20:00, 9 October 2004  +
22:58:00, 8 October 2004  +
02:20:00, 9 October 2004  +
At 2120 (hrs. CDT) on October 8, 2004, whiAt 2120 (hrs. CDT) on October 8, 2004, while performing the 'Control Room Emergency Ventilation System Test,' which verifies the integrity of the control room envelope, it was determined that the positive pressure requirement of greater than or equal to 0.125 inches water gauge for the control room envelope in Technical Specification Surveillance Requirement 3.7.4.4 could not be met for all specified test points. As a result, Control Room Emergency Ventilation System was declared inoperable and Technical Specification 3.7.4, Condition A was entered.</br>Recently completed surveillance testing has demonstrated that a positive pressure ranging from 0.056 to 0.301 inches water gauge is being maintained in the control room envelope; therefore it is expected that the safety function is being met.</br>However, this notification is being made in accordance with 10 CFR 50.72(b)(3)(v)(D) because the Control Room Emergency Ventilation System is a single train safety system and the Technical Specification requirement is not met. The affect of the failure to meet the Technical Specification requirements on the ability to perform the safety function is continuing to be evaluated.</br>The licensee notified the NRC resident inspector.ensee notified the NRC resident inspector.  +
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>.
00:00:00, 8 October 2004  +
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>.
22:42:22, 24 September 2017  +
22:58:00, 8 October 2004  +
false  +
-0.14 d (-3.37 hours, -0.0201 weeks, -0.00462 months)  +
02:20:00, 9 October 2004  +
Contol Room Emergency Ventilation System Declared Inoperable  +
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.
1  +  and 2  +