This is a market research notice for the Heart Butte Dam Safety Modification project, which involves extensive civil, geotechnical, and structural construction work near Elgin, North Dakota. The scope includes dewatering, cofferdam works, foundation remediation, conduit rehabilitation, jet grouting, embankment excavation, and the installation of new filter and drainage systems. The anticipated contract is Firm Fixed Price with a performance period from approximately December 31, 2026, to June 30, 2030. The government is seeking statements of capability from various business classifications, including large and small businesses, by the specified response deadline. This notice is for planning purposes only and is not a solicitation for proposals.