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As part of the ongoing GNF-A review of the … As part of the ongoing GNF-A review of the Fuel Manufacturing Operation (FMO) Integrated Safety Analysis, accident sequences associated with hydrogen piping are being evaluated. As part of this evaluation, facility walk downs of the piping were performed that identified a configuration that had not previously been analyzed. Based on a review of this as found condition, it was determined at approximately 12 p.m. on August 12, 2011 that the system was improperly analyzed in the ISA and resulted in a failure to meet performance requirements.</br>Hydrogen supply to the affected piping system inside the building has been isolated. Additional corrective actions and extent of condition are being evaluated.</br>This event is being reported pursuant to the reporting requirements of 10 CFR 70 Appendix A (b)(1) within 24 hours of discovery.</br>The licensee will notify NRC Region 2 and appropriate state and local authorities.</br>* * * UPDATE FROM PHILLIP OLLIS TO ERIC SIMPSON AT 1228 EDT ON 8/24/11 * * *</br>Unnecessary piping branches have been removed and caps welded in place. The new piping configuration has been analyzed for ISA accident sequences.</br>Based upon this, hydrogen supplies to affected equipment will resume and normal operations will commence.</br>The licensee will notify NRC Region 2.</br>Notified R2DO (Widmann) and NMSS EO (Campbell).ied R2DO (Widmann) and NMSS EO (Campbell). +
16:00:00, 12 August 2011 +
11:00:00, 13 August 2011 +
16:00:00, 12 August 2011 +
As part of the ongoing GNF-A review of the … As part of the ongoing GNF-A review of the Fuel Manufacturing Operation (FMO) Integrated Safety Analysis, accident sequences associated with hydrogen piping are being evaluated. As part of this evaluation, facility walk downs of the piping were performed that identified a configuration that had not previously been analyzed. Based on a review of this as found condition, it was determined at approximately 12 p.m. on August 12, 2011 that the system was improperly analyzed in the ISA and resulted in a failure to meet performance requirements.</br>Hydrogen supply to the affected piping system inside the building has been isolated. Additional corrective actions and extent of condition are being evaluated.</br>This event is being reported pursuant to the reporting requirements of 10 CFR 70 Appendix A (b)(1) within 24 hours of discovery.</br>The licensee will notify NRC Region 2 and appropriate state and local authorities.</br>* * * UPDATE FROM PHILLIP OLLIS TO ERIC SIMPSON AT 1228 EDT ON 8/24/11 * * *</br>Unnecessary piping branches have been removed and caps welded in place. The new piping configuration has been analyzed for ISA accident sequences.</br>Based upon this, hydrogen supplies to affected equipment will resume and normal operations will commence.</br>The licensee will notify NRC Region 2.</br>Notified R2DO (Widmann) and NMSS EO (Campbell).ied R2DO (Widmann) and NMSS EO (Campbell). +
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, 24 August 2011 +
SNM-1097 +
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>.
23:19:12, 24 November 2018 +
11:00:00, 13 August 2011 +
0.792 d (19 hours, 0.113 weeks, 0.026 months) +
16:00:00, 12 August 2011 +
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.