This solicitation requests proposals for the Moose Creek Dam Safety Modification project. The U.S. Army Corps of Engineers, Alaska District will construct a mix-in-place barrier wall in the embankment of Moose Creek Dam at the Chena River Lakes Flood Control Project. The barrier wall will be between 4.5 to 5.5 miles long, located 56 to 66.5 feet below the dam crest. It will be approximately 22 to 36 inches wide and composed of Portland cement and bentonite, achieving unconfined compressive strengths of at least 200 psi after 28 days and around 500 psi long term. The solicitation will use a single-phase tradeoff source selection process and award a firm fixed-price contract to the best-valued proposal based on non-price factors and price. Proposals are due in accordance with the solicitation available via beta.SAM.gov, where all changes will also be posted. A pre-proposal conference and site visit have been scheduled as detailed in clause 52.236-27.