Browse wiki
Jump to navigation
Jump to search
100 +
On September 04, 2014, at 1905 hours (CDT) … On September 04, 2014, at 1905 hours (CDT), the Control Room Emergency Ventilation (CREV) system was declared inoperable due to the Air Handling Unit (AHU) tripping upon restoration of Control Room Ventilation following testing of Reactor Building Ventilation instrumentation. Troubleshooting is in progress at this time.</br>Technical Specification 3.7.4, Condition A, was entered which requires the CREV system to be restored to an operable status in seven (7) days. Additionally, Technical Specification 3.7.5, Condition A, was entered which requires CREV AC to be restored to an operable status in 30 days.</br>This notification is being made in accordance with 10CFR50.72(b)(3)(v)(D), '(any) event or condition that could have prevented fulfillment of a safety function,' because the CREV system is a single train system required to mitigate the consequences of an accident.</br>The licensee has notified the NRC Resident Inspector.</br>* * * RETRACTION PROVIDED BY MARK BRIDGES TO JOHN SHOEMAKER AT 1721 EDT ON 10/23/2014 * * *</br>The purpose of this notification is to retract the ENS notification made on September 4, 2014 (ENS 50427). Upon further investigation it was verified that the function of Control Room Emergency Ventilation System was not affected as discussed in Chapters 6 and 15 of the Updated Final Safety Analysis Report. Therefore, the threshold for reporting the issue as an event or condition that could have prevented the fulfillment of a safety function was not met (NUREG 1022 Revision 3 - Event Report Guidelines Section 3.2.7).</br>The licensee has notified the NRC Resident Inspector and applicable State authorities.</br>Notified R3DO (Pelke)e State authorities.
Notified R3DO (Pelke) +
00:05:00, 5 September 2014 +
50,427 +
00:27:00, 5 September 2014 +
00:05:00, 5 September 2014 +
On September 04, 2014, at 1905 hours (CDT) … On September 04, 2014, at 1905 hours (CDT), the Control Room Emergency Ventilation (CREV) system was declared inoperable due to the Air Handling Unit (AHU) tripping upon restoration of Control Room Ventilation following testing of Reactor Building Ventilation instrumentation. Troubleshooting is in progress at this time.</br>Technical Specification 3.7.4, Condition A, was entered which requires the CREV system to be restored to an operable status in seven (7) days. Additionally, Technical Specification 3.7.5, Condition A, was entered which requires CREV AC to be restored to an operable status in 30 days.</br>This notification is being made in accordance with 10CFR50.72(b)(3)(v)(D), '(any) event or condition that could have prevented fulfillment of a safety function,' because the CREV system is a single train system required to mitigate the consequences of an accident.</br>The licensee has notified the NRC Resident Inspector.</br>* * * RETRACTION PROVIDED BY MARK BRIDGES TO JOHN SHOEMAKER AT 1721 EDT ON 10/23/2014 * * *</br>The purpose of this notification is to retract the ENS notification made on September 4, 2014 (ENS 50427). Upon further investigation it was verified that the function of Control Room Emergency Ventilation System was not affected as discussed in Chapters 6 and 15 of the Updated Final Safety Analysis Report. Therefore, the threshold for reporting the issue as an event or condition that could have prevented the fulfillment of a safety function was not met (NUREG 1022 Revision 3 - Event Report Guidelines Section 3.2.7).</br>The licensee has notified the NRC Resident Inspector and applicable State authorities.</br>Notified R3DO (Pelke)e State authorities.
Notified R3DO (Pelke) +
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>.
100 +
00:00:00, 23 October 2014 +
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>.
22:19:00, 24 September 2017 +
00:27:00, 5 September 2014 +
true +
false +
0.0154 d (0.37 hours, 0.0022 weeks, 5.06826e-4 months) +
00:05:00, 5 September 2014 +
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.