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The NRC identified a Green non-cited viola … The NRC identified a Green non-cited violation (NCV) of 10 CFR Part 50</br>Appendix B, Criterion III, Design Control, for the licensees failure to maintain adequat</br>control measures for verifying or checking the adequacy of design of the Standby Liqui</br>Control (SLC) system. Specifically, the licensees calculations and system testing wer</br>both inadequate to demonstrate that the SLC system could meet design requirement</br>under all required operating conditions. The licensee entered this in their CAP as PE</br>920418 and initiated corrective actions to perform a modification to the SLC system an</br>update design calculations. The inspectors determined that the licensees failure to maintain adequate control measures for verifying or checking the adequacy of design of the SLC system as required by 10 CFR 50, Appendix B, Criterion III, Design Control, was a performance deficiency (PD). Specifically, the licensees calculations and system testing were both inadequate to demonstrate that the SLC system could meet design requirements under all required operating conditions. The PD was more than minor because it affected the Mitigating Systems Cornerstone attribute of Design Control, and adversely affected the cornerstone objective of ensuring the availability, reliability, and capability of systems that respond to initiating events to prevent undesirable consequences. Specifically, there was not an adequate method for ensuring the capability of the design of the SLC system following a design basis accident. The inspectors screened this finding in accordance with IMC 0609, Appendix A, Significance Determination Process, Exhibit 2-Mitigating Systems Screening Questions, dated June 19, 2012, and determined the finding was of very low safety significance (Green) because the design deficiency did not result in a loss of operability or functionality. The inspectors determined that no cross cutting aspect was applicable because this finding was not indicative of current licensee performance and occurred more than three years ago.ce and occurred more than three years ago.
23:59:59, 30 September 2014 +
23:59:59, 30 September 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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R Baldwin +, J Bartley +, M Peck +, Catherine Scott +, David Dumbacher +, Galen Smith +, Adam Ruh +, Lundy Pressley +, Tom Stephen + and Andreas Goldau +
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>.
03:42:43, 28 September 2017 +
R Baldwin +, J Bartley +, M Peck +, Catherine Scott +, David Dumbacher +, Galen Smith +, Adam Ruh +, Lundy Pressley +, Tom Stephen + and Andreas Goldau +
23:59:59, 30 September 2014 +