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ATTACHMENT 71111.21 INSPECTABLE AREA: Component Design Bases Inspection

By Inspection Bases


This inspection of component design bases verifies that plant components are maintained within their design basis. Additionally, this inspection provides monitoring of the capability of the selected components and operator actions to perform their design bases functions. As plants age, modifications may alter or disable important design features making the design bases difficult to determine or obsolete. The plant risk assessment model assumes the capability of safety systems and components to perform their intended safety function successfully. This inspectable area verifies aspects of the Initiating Events, Mitigating Systems and Barrier Integrity cornerstones for which there are no indicators to measure performance. LEVEL OF EFFORT: Review 15-25 risk significant samples in the following categories: components and operating experience

Year: 2013
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