This document outlines a federal contract opportunity issued by the U.S. Army Corps of Engineers Portland District. The solicitation seeks a contractor to replace the existing 40 ton intake gantry crane at Big Cliff Dam near Gates, Oregon. The selected contractor must design, manufacture, install, test and commission a new 40 ton intake gantry crane. The new crane will include one main hoist trolley and one maintenance jib hoist to service the spillway and penstock stoplogs and deck. Additionally, the contractor must remove the existing crane and convert the electrical power supply from a 3-wire to 4-wire feed with an emergency stop system. The acquisition will utilize full and open competition under the FAR Part 15.101-1 best value tradeoff process for this hybrid supply and construction contract.