USACE St. Paul District is current seeking input from industry that can provide services to modify an existing weir and construct a new rock weir structure at Lock & Dam 7 in accordance with the drawings and specification included. The project consists of modifying the existing weir, constructing new rock weir structures, and incidental related work. Principle features of work include dredging, excavation, rock placement, granular fill, and notching of an existing weir.
