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On 9/17/2015 at 0030 (CDT), during the Byr … On 9/17/2015 at 0030 (CDT), during the Byron Station Unit 1 refueling outage, Main Control Room area radiation monitors were removed from service to support an electrical bus outage. During this time, the Main Control Room area radiation monitors were not able to generate Main Control Room annunciation or provide area radiation level information necessary for Emergency Action Level (EAL) threshold determination until the area radiation monitor is restored which is scheduled for 9/20/15.</br>This event is being reported under 10 CFR 50.72(b)(3)(xiii) for 'Any event that results in a major loss of emergency assessment capability, offsite response capability, or offsite communications capability.' </br>The licensee has notified the NRC Resident Inspector.</br>The licensee discovered this issue at 2145 CDT on 9/19/15. The licensee established compensatory measures upon discovery of the issue.tory measures upon discovery of the issue. +
05:30:00, 17 September 2015 +
51,412 +
02:53:00, 20 September 2015 +
05:30:00, 17 September 2015 +
On 9/17/2015 at 0030 (CDT), during the Byr … On 9/17/2015 at 0030 (CDT), during the Byron Station Unit 1 refueling outage, Main Control Room area radiation monitors were removed from service to support an electrical bus outage. During this time, the Main Control Room area radiation monitors were not able to generate Main Control Room annunciation or provide area radiation level information necessary for Emergency Action Level (EAL) threshold determination until the area radiation monitor is restored which is scheduled for 9/20/15.</br>This event is being reported under 10 CFR 50.72(b)(3)(xiii) for 'Any event that results in a major loss of emergency assessment capability, offsite response capability, or offsite communications capability.' </br>The licensee has notified the NRC Resident Inspector.</br>The licensee discovered this issue at 2145 CDT on 9/19/15. The licensee established compensatory measures upon discovery of the issue.tory measures upon discovery of the issue. +
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, 20 September 2015 +
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>.
01:46:43, 2 March 2018 +
02:53:00, 20 September 2015 +
false +
false +
2.891 d (69.38 hours, 0.413 weeks, 0.095 months) +
05:30:00, 17 September 2015 +
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.