How Components Are Qualified

This paper presents a basic description and rationale behind the requirements, reasons and implementation of the concept of qualification for Safety Related Class 1E electric equipment for use in Nuclear Power Generating Stations. The discussion centers about the requirements as set forth in the Code of Federal Regulations, IEEE Standard 323 and the guidance provided by Regulatory Guide 1.89. The main elements of the paper describe what is meant by qualification, what is required for qualification and the implementation process. The program being utilized by Babcock & Wilcox to qualify its Class 1E equipment is also discussed as well as some commercial aspects associated with qualification.