[en] This report documents the technical evaluation of the end-of-cycle recirculation pump trip for the Duane Arnold Energy Center. The review criteria are based on IEEE Std-279-1971, IEEE Std-323-1974, IEEE Std-338-1977, and General Design Criteria 13, 20 through 24, ad 29 of the Code of Federal Regulations, Title 10, Part 50, Appendix A requirements for determining the acceptability of the proposed system