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At 0520 hours on 10/16/06 with the plant i … At 0520 hours on 10/16/06 with the plant in Mode 6, with containment shutdown purge system in operation and core alterations in progress, a Control Room Operator noted that Main Control Board annunciator L-4 'Safeguard DC Failure (Containment Isolation) CI and (Containment Ventilation Isolation) CVI Logic' was illuminated.</br>ITS LCO 3.9.3 c. 2. requires that 'Each penetration providing direct access from the containment atmosphere to the outside atmosphere shall be either (1) closed by a manual or automatic isolation valve, blind flange, or equivalent, or (2) capable of being closed by an operable Containment Ventilation Isolation System.'</br>ITS LCO 3.3.5 Containment Ventilation Isolation Instrumentation Table 3.3.5-1 requires that Function 1, 'Automatic Actuation Logic and Actuation Relays' be operable during core alterations and movement of irradiated fuel assemblies within containment.</br>Contrary to the requirements DC power was removed from the Containment Ventilation Logic and Actuation Relays on Friday 10/13/06. On Saturday 10/14/06 reactor vessel head lift was performed. Between Sunday 10/15/06 from 1559 until Monday at 0514 the movement of fuel and core alterations in containment were conducted. All fuel movement and core alterations were stopped at 0514 on 10/16/06.</br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector. +
09:20:00, 16 October 2006 +
42,909 +
11:00:00, 16 October 2006 +
09:20:00, 16 October 2006 +
At 0520 hours on 10/16/06 with the plant i … At 0520 hours on 10/16/06 with the plant in Mode 6, with containment shutdown purge system in operation and core alterations in progress, a Control Room Operator noted that Main Control Board annunciator L-4 'Safeguard DC Failure (Containment Isolation) CI and (Containment Ventilation Isolation) CVI Logic' was illuminated.</br>ITS LCO 3.9.3 c. 2. requires that 'Each penetration providing direct access from the containment atmosphere to the outside atmosphere shall be either (1) closed by a manual or automatic isolation valve, blind flange, or equivalent, or (2) capable of being closed by an operable Containment Ventilation Isolation System.'</br>ITS LCO 3.3.5 Containment Ventilation Isolation Instrumentation Table 3.3.5-1 requires that Function 1, 'Automatic Actuation Logic and Actuation Relays' be operable during core alterations and movement of irradiated fuel assemblies within containment.</br>Contrary to the requirements DC power was removed from the Containment Ventilation Logic and Actuation Relays on Friday 10/13/06. On Saturday 10/14/06 reactor vessel head lift was performed. Between Sunday 10/15/06 from 1559 until Monday at 0514 the movement of fuel and core alterations in containment were conducted. All fuel movement and core alterations were stopped at 0514 on 10/16/06.</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, 16 October 2006 +
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>.
02:17:53, 2 March 2018 +
11:00:00, 16 October 2006 +
false +
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0.0696 d (1.67 hours, 0.00994 weeks, 0.00229 months) +
09:20:00, 16 October 2006 +
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.