Browse wiki
Jump to navigation
Jump to search
100 +
During a review in preparation for convert … During a review in preparation for converting from 10 CFR 50 Appendix R to NFPA 805, it was discovered that all of the cables for pressurizer and emergency feedwater storage tank level indications did not meet Appendix R cable requirements. A fire in Corridor 4, Corridor 26, or in Room 6 could result in a failure of level indication for these critical components. Corridors 4 and 26 were adequately addressed by existing fire watches. A fire watch was established for Room 6 upon discovery of this condition. Pressurizer level and emergency feedwater storage tank level indicators currently meet their requirements, with the established fire watches.</br>The licensee notified the NRC Resident Inspector.</br>* * * RETRACTION FROM ERICK MATZKE TO DONALD NORWOOD AT 1507 ON 11/18/2009 * * *</br>On October 26, 2009, Fort Calhoun reported the (above event).</br>During the course of the subsequent evaluation it was determined that the pressurizer level indications do meet the 10 CFR 50 Appendix R separation requirements. There is sufficient redundancy of emergency feedwater storage tank level indications to allow proper operator response to potential plant fires. Therefore, this event is not reportable.</br>The licensee notified the NRC Resident Inspector.</br>Notified R4DO (Proulx).esident Inspector.
Notified R4DO (Proulx). +
15:50:00, 26 October 2009 +
45,467 +
12:47:00, 26 October 2009 +
15:50:00, 26 October 2009 +
During a review in preparation for convert … During a review in preparation for converting from 10 CFR 50 Appendix R to NFPA 805, it was discovered that all of the cables for pressurizer and emergency feedwater storage tank level indications did not meet Appendix R cable requirements. A fire in Corridor 4, Corridor 26, or in Room 6 could result in a failure of level indication for these critical components. Corridors 4 and 26 were adequately addressed by existing fire watches. A fire watch was established for Room 6 upon discovery of this condition. Pressurizer level and emergency feedwater storage tank level indicators currently meet their requirements, with the established fire watches.</br>The licensee notified the NRC Resident Inspector.</br>* * * RETRACTION FROM ERICK MATZKE TO DONALD NORWOOD AT 1507 ON 11/18/2009 * * *</br>On October 26, 2009, Fort Calhoun reported the (above event).</br>During the course of the subsequent evaluation it was determined that the pressurizer level indications do meet the 10 CFR 50 Appendix R separation requirements. There is sufficient redundancy of emergency feedwater storage tank level indications to allow proper operator response to potential plant fires. Therefore, this event is not reportable.</br>The licensee notified the NRC Resident Inspector.</br>Notified R4DO (Proulx).esident Inspector.
Notified R4DO (Proulx). +
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, 18 November 2009 +
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>.
02:10:50, 2 March 2018 +
12:47:00, 26 October 2009 +
true +
false +
-0.127 d (-3.05 hours, -0.0182 weeks, -0.00418 months) +
15:50:00, 26 October 2009 +
Pressurizer and Feedwater Storage Tank Level Indications Do Not Meet Appendix R Requirements +
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.