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Green . An NRC- identified non- cited vi … Green . An NRC- identified non- cited violation of 10 CFR 50.48(c) and NFPA 805, Section 2.4.2.4 was identified for the licensee's failure to perform an adequate engineering analysis to determine the effects of fire on the ability to achieve the nuclear safety performance criteria . Specifically, the licensees fire risk evaluation (FRE) of the effects of fire on the Emerge ncy Equipment Cooling Water (EECW ) strainers did not have an adequate basis . As an immediate corrective action, the licensee performed plant -specific analyses to determine the effects of fire on the functionality of EECW strainers and EECW system . The violation was entered into the licensee's corrective action program as CR 1263434. The performance deficiency was determined to be more -than- minor because it wa s associated with the protection against external factors attribute of t he Mitigating Systems cornerstone and adversely impacted the cornerstone objective in that failure to adequately 3 analyze the effects of fire damaged cables for the EECW strainers and backwash valves impacted the objective of ensuring the reliability of the E ECW system during a fire. This finding was determined to be Green because the finding did not affect the ability to reach and maintain a stable plant condition within the first 24 hours of a fire event. The inspectors determined that the finding had a cross -cutting aspect of Avoid Complacency (H.12) within the cross- cutting area of Human Performance because the licensee did not recognize that historical assumptions about long -term strainer functionality could contain mistakes and latent issues during development of the nuclear safety capability analysis.f the nuclear safety capability analysis. +
23:59:59, 30 June 2017 +
23:59:59, 30 June 2017 +
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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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>.
19:04:27, 30 September 2017 +
23:59:59, 30 June 2017 +