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The inspectors reviewed a Green self-revea … The inspectors reviewed a Green self-revealing non-cited violation of 10 CFR Part 50, Appendix B, Criterion V, Instructions, Procedures, and Drawings, for the failure of Projects personnel to follow station procedures which required obtaining permission from either the work control or operations department prior to performing work in the vicinity of protected train equipment. As a result, Projects personnel inadvertently tripped a breaker to the emergency diesel generator A essential fan, rendering the emergency diesel generator inoperable and requiring entry into Condition B of Technical Specification 3.8.1, AC Sources Operating. Operations personnel subsequently reset the breaker, returned the emergency diesel generator to operable status and exited Condition B of Technical Specification 3.8.1. The licensee entered this issue in the corrective action program as Condition Report Disposition Request 4495126. The failure of plant personnel to follow station procedures for protected equipment was a performance deficiency. The performance deficiency is more than minor and therefore is a finding, because it was associated with the Mitigating Systems Cornerstone attribute of equipment performance and adversely affected the cornerstone objective of ensuring the availability, reliability, and capability of systems that respond to initiating events to prevent undesirable consequences. The inspectors evaluated the significance of the issue under the Significance Determination Process, as defined in Inspection Manual Chapter 0609.04, Initial Characterization of Findings, and 0609 Appendix A, The Significance Determination Process (SDP) for Findings at-Power. The inspectors determined that the finding was of very low safety significance (Green) because all questions in Exhibit 2 could be answered in the negative. The inspectors determined the finding had a cross-cutting aspect in the area of human performance associated with the training aspect, because the station did not provide adequate training to supplemental workers to ensure an understanding of standards and work requirements, in that the workers did not recognize either the safety significance of the equipment located in the vicinity of the work area or the potential impact of their actions (H.9).e potential impact of their actions (H.9).
23:59:59, 31 March 2014 +
23:59:59, 31 March 2014 +
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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G Guerra +, J O'Donnell +, M Baquera +, T Brown +, Louis Carson +, Dustin Reinert + and Benjamin Parks +
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>.
04:20:59, 22 February 2018 +
G Guerra +, J O'Donnell +, M Baquera +, T Brown +, Louis Carson +, Dustin Reinert + and Benjamin Parks +
23:59:59, 31 March 2014 +