NRC CAL – NOV (White)

On February 27, 2017, the NRC issued a Notice of Violation to Exelon Generation Company, LLC, for a violation of 10 CFR Part 50, Appendix B, Criterion III, "Design Control," associated with a White Significance Determination Process finding at Dresden Nuclear Power Station, Unit 3. Criterion III requires, in part, that design control measures shall provide for verifying or checking the adequacy of design, such as by the performance of design reviews, by the use of alternate or simplified calculational methods, or by the performance of a suitable testing program. Specifically, from June of 2002 until July of 2016, Exelon failed to verify the adequacy of the design of a high pressure coolant injection auxiliary oil pump required for the successful operation of the high pressure injection system and subject to the requirements of Appendix B to 10 CFR Part 50.