This document provides details for a federal contract solicitation for construction services. The Moose Creek Dam Safety Modification project is seeking a contractor to construct a mix-in-place barrier wall in the embankment of Moose Creek Dam at the Chena River Lakes Flood Control Project. Specifically, the project requires constructing 4.5 miles of barrier wall 56 to 66.5 feet below the crest of the dam embankment with Portland Cement and Bentonite. The barrier wall is expected to be between 22- and 36-inches wide and have an unconfined compressive strength of 200 psi at 28 days and approach 500 psi in the long term. The solicitation will use a single phase source selection tradeoff process and award a firm fixed price contract. The Department of the Army Corps of Engineers Engineering District Alaska is the contracting agency. Interested parties can find the full solicitation on the Beta SAM website where all notifications of changes will also be posted. A pre-proposal conference and site visit have been scheduled as detailed in the solicitation.