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At 1630 on April 10, 2006, plant personnel … At 1630 on April 10, 2006, plant personnel identified a potential detection system. The failure mode has the potential to render the (CREV) system inoperable following power restoration after a (LOOP/LOCA) event. Due to this design deficiency, the CREV Specification (TS) 3.7.3, "Control Room Emergency Ventilation Condition B of TS 3.7.3. This required the units to be in Mode 36 hours. At 2100 on April 10, 2006, the CREV system radiation operable after removal of the chlorine tank car from the exclusion prevent them from operating. This event is being reported in accordance event or condition that could have prevented the fulfillment of are needed to mitigate the consequences of an accident. The safety minimal.</br></br>The root cause of this event was determined to be ineffective review modification prior to approval. Corrective actions include revising approval checklist, revision of the modification to eliminate the personnel training.</br></br>failure mode of the recently modified chlorine Control Room Emergency Ventilation Loss of Offsite Power/Loss of Coolant Accident system was declared inoperable per Technical System," which placed Units 1 and 2 in 3 within 12 hours and in Mode 4 within and smoke detection mode was restored to area and disabling the chlorine detectors to with 10 CFR 50.73(a)(2)(v)(D), as an the safety function of structures or systems that significance of this event is considered of the chlorine detector replacement an engineering procedure to add a final unanticipated failure mode, and additionalunanticipated failure mode, and additional +
At 1630 on April 10, 2006, plant personnel … At 1630 on April 10, 2006, plant personnel identified a potential detection system. The failure mode has the potential to render the (CREV) system inoperable following power restoration after a (LOOP/LOCA) event. Due to this design deficiency, the CREV Specification (TS) 3.7.3, "Control Room Emergency Ventilation Condition B of TS 3.7.3. This required the units to be in Mode 36 hours. At 2100 on April 10, 2006, the CREV system radiation operable after removal of the chlorine tank car from the exclusion prevent them from operating. This event is being reported in accordance event or condition that could have prevented the fulfillment of are needed to mitigate the consequences of an accident. The safety minimal.</br></br>The root cause of this event was determined to be ineffective review modification prior to approval. Corrective actions include revising approval checklist, revision of the modification to eliminate the personnel training.</br></br>failure mode of the recently modified chlorine Control Room Emergency Ventilation Loss of Offsite Power/Loss of Coolant Accident system was declared inoperable per Technical System," which placed Units 1 and 2 in 3 within 12 hours and in Mode 4 within and smoke detection mode was restored to area and disabling the chlorine detectors to with 10 CFR 50.73(a)(2)(v)(D), as an the safety function of structures or systems that significance of this event is considered of the chlorine detector replacement an engineering procedure to add a final unanticipated failure mode, and additionalunanticipated failure mode, and additional +
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>.
4.166667e-4 d (0.01 hours, 5.952381e-5 weeks, 1.3698e-5 months) +, 1.388889e-4 d (0.00333 hours, 1.984127e-5 weeks, 4.566e-6 months) +, 0.0189 d (0.453 hours, 0.0027 weeks, 6.20215e-4 months) +, 0.027 d (0.648 hours, 0.00386 weeks, 8.877065e-4 months) + and 0.0243 d (0.583 hours, 0.00347 weeks, 7.9905e-4 months) +
3 +
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>.
05:20:36, 1 December 2017 +
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June 7, 2006 +
Control Room Emergency Ventilation (CREV) System Inoperable due to Chlorine Detection Modification Deficiency +
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