The U.S. Army Corps of Engineers, St. Louis District, is seeking capable businesses to construct a new 1,200-foot lock at Lock and Dam 25. The project site is located approximately 61.5 river miles upstream from St. Louis. The notice outlines opportunities for industry engagement, including registration-required one-on-one meetings and requests for information on specific project aspects. It provides draft plans, specifications, and models for review at various completion percentages. The government is soliciting capability statements and industry input on technical factors and construction methods.