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The inspectors identified a NCV of 10 CFR … The inspectors identified a NCV of 10 CFR 50, Appendix B, Criterion V, Instructions, Procedures and Drawings, for the failure to establish acceptance criteria to determine operability in surveillance procedures used to vent the decay heat removal system in Modes 5, 6, and No-Mode in preparation for Mode 6. The issue was entered into the licensees corrective action program as PIP M-11-04745 the licensees failure to establish adequate acceptance criteria for ND venting surveillance procedures PT/1/A/4200/036 and PT/2/A/4200/036 was a performance deficiency. The PD was determined to be more than minor because if left uncorrected, the failure to establish acceptance criteria for surveillance tests which establish the basis for the ND system operability in modes 5 and 6 would have the potential to lead to a more significant safety concern in that conditions which could impact system operability could remain undetected. In addition, the finding adversely affected the equipment performance attribute of the mitigating systems cornerstone objective to ensure the availability, reliability, and capability of systems that respond to initiating events to prevent undesirable consequences. Using IMC 0609, Appendix G, Shutdown Operations Significance Determination Process, Attachment 1, the finding was determined to be of very low safety significance (Green) because a quantitative assessment was not required based on the criteria in Attachment 1. The finding had a cross-cutting aspect of implementation of operating experience in the Operating Experience component in the area of Problem Identification and Resolution because the licensee failed to implement operating experience from Generic Letter (GL) 2008-01 into station proceduresetter (GL) 2008-01 into station procedures +

Discovered date

23:59:59, 30 September 2011 +

Docket

05000369 + and 05000370 +

Event date

23:59:59, 30 September 2011 +

Finding integer

1 +

Finding type

Non-cited violation +

Generic letter

NRC Generic Letter 08-01, Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems +

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INPO aspect

CL.1 +

Identified by

NRC identified +

Inspection Manual Chapter

NRC Inspection Manual 0609, Appendix G +

Inspection report

IR 05000369/2011004 +

Inspector

J Bartley +, P Higgins +, M Coursey +, G Kuzo +, A Alan +, Wade Loo +, Adam Nielsen +, Jason Eargle +, John Zeiler +, Jonathan Rivera +, Carmen Dykes + and Jermaine Heath +

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>.

19:05:38, 30 September 2017 +

Person