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On 30 November 08 at 0158, the Control Roo … On 30 November 08 at 0158, the Control Room Emergency Filtration System (CREFS) was declared inoperable due to a degraded Control Room Envelope (CRE). A CRE boundary door was found to be stuck partially open. With this door not fully closed and latched, reasonable assurance that CREFS would fulfill its safety function could not be established.</br>The CRE door is a support features for CREFS at CNS. This is a single train system and per 10CFR50.72(b)(3)(v)(D) an 8 hour report is required due to the fact that at the time of discovery this condition could have prevented the fulfillment of the safety function of an SSC (Structure, System & Components) that is required to mitigate the consequences of an accident.</br>The door was returned to a fully closed and latched position at the time of discovery, and CREFS was returned to operable status. Administrative controls are in place to ensure the door closes and latches until repairs can be performed.</br>The licensee notified the NRC Resident Inspector. licensee notified the NRC Resident Inspector. +
07:58:00, 30 November 2008 +
44,689 +
08:22:00, 30 November 2008 +
07:58:00, 30 November 2008 +
On 30 November 08 at 0158, the Control Roo … On 30 November 08 at 0158, the Control Room Emergency Filtration System (CREFS) was declared inoperable due to a degraded Control Room Envelope (CRE). A CRE boundary door was found to be stuck partially open. With this door not fully closed and latched, reasonable assurance that CREFS would fulfill its safety function could not be established.</br>The CRE door is a support features for CREFS at CNS. This is a single train system and per 10CFR50.72(b)(3)(v)(D) an 8 hour report is required due to the fact that at the time of discovery this condition could have prevented the fulfillment of the safety function of an SSC (Structure, System & Components) that is required to mitigate the consequences of an accident.</br>The door was returned to a fully closed and latched position at the time of discovery, and CREFS was returned to operable status. Administrative controls are in place to ensure the door closes and latches until repairs can be performed.</br>The licensee notified the NRC Resident Inspector. licensee notified the NRC Resident Inspector. +
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00:00:00, 30 November 2008 +
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>.
22:33:25, 24 September 2017 +
08:22:00, 30 November 2008 +
true +
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0.0167 d (0.4 hours, 0.00238 weeks, 5.4792e-4 months) +
07:58:00, 30 November 2008 +
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