Utilization of commercial-grade items in nuclear safety applications

A summary is presented of a methodology for the evaluation, acceptance, and use of commercially procured items for nuclear safety applications. The methodology has been developed through the: research and compilation of existing codes, standards, regulations and guidance; compilation of existing practices and procedures; and the development of a generic process for all components and subcomponents. The generic process for the acceptance of commercial-grade items contains four alternative methods. It provides guidance to the nuclear industry that will: define methodologies for classifying and dedicating commercial items; enable utilities to significantly reduce procurement, engineering, and quality-assurance cost related to commercial-item use; and minimize the potential for fines, penalties or plant shutdown due to incorrect use or unavailability of spare/replacement items