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The inspectors identified a finding of ver … The inspectors identified a finding of very low safety significance involving the licensees failure to meet the requirements of the American Institute of Steel Construction (AISC) Specification. Specifically, the licensees design basis calculation failed to ensure the turbine building structural steel floor beams met the AISC specification. This finding was entered into the licensees corrective action program. No violation of NRC requirements was identified. The performance deficiency was determined to be more than minor because the finding was associated with the Initiating Events Cornerstone attribute of design control and adversely affected the cornerstone objective to limit the likelihood of those events that upset the plants stability and challenged critical safety functions during shutdown, as well as power operations. The finding screened as very low safety significance (Green), because the transient initiator would not contribute to both the likelihood of a reactor trip and the likelihood that mitigation equipment or functions will not be available. This finding had a cross-cutting aspect in human performance and work practice because the licensee did not ensure effective supervisory and management oversight of work activities, including contractors, such that nuclear safety was supported. Specifically, the licensee failed to have adequate oversight of design calculation and documentation for establishing structural adequacy of the turbine building structural steel beams at EL. 44-0.ilding structural steel beams at EL. 44-0. +
23:59:59, 30 September 2011 +
23:59:59, 30 September 2011 +
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>.
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C Moore +, Caroline Tilton +, B Sherbin +, M Munir +, C Nickell +, Alan Dahbur +, John Bozga + and Jerry Nicely +
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>.
19:06:03, 30 September 2017 +
C Moore +, Caroline Tilton +, B Sherbin +, M Munir +, C Nickell +, Alan Dahbur +, John Bozga + and Jerry Nicely +
23:59:59, 30 September 2011 +