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An NRC-identified Severity Level IV NCV of … An NRC-identified Severity Level IV NCV of 10 CFR 50.9(a), Completeness and accuracy of information, and an associated Green NCV of 10 CFR 50.48(c) and National Fire Protection Association Standard (NFPA) 805, Section 3.9.1, was identified for the licensees failure to accurately evaluate and report non-compliance with code requirements for the design and installation of the Unit 1 pre-action sprinkler system 1A-36. The licensees failure to comply with code requirements for the design and installation of the Unit 1 pre-action sprinkler system, 1A-36 was a performance deficiency. The licensee entered the issue into their corrective action program (CR 10261278). The performance deficiency was more than minor because it was associated with the protection against external factors (i.e. fire) attribute of the Mitigating Systems cornerstone and adversely affected the cornerstone objective to ensure the availability, reliability, and capability of systems that respond to initiating events to prevent undesirable consequences. Specifically, the inadequate design and installation of the sprinkler system represented a degradation of a fire suppression component which degraded the fire protection defense in depth element to rapidly detect and suppress fires that occur. The inspectors determined that the finding was of very low safety significance (Green) because the affected fixed fire suppression system would still be able to suppress a fire such that no additional equipment important to safety would be affected by a fire. The inspectors determined the cause of this finding was not associated with a cross-cutting area because it was not reflective of current licensee performance.eflective of current licensee performance. +
23:59:59, 30 September 2016 +
23:59:59, 30 September 2016 +
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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>.
17:26:25, 1 October 2017 +
23:59:59, 30 September 2016 +
Failure to Comply with NFPA-13 for Pre-action Fire Suppression System 1A-36 and Provide NRC Staff Complete and Accurate Information +