This document contains a federal contract opportunity solicitation for construction services. The Detroit District of the US Army Corps of Engineers is seeking a firm fixed price construction contract to complete upstream approach wall construction for the Soo Lock Complex in Sault Ste. Marie, Michigan. The scope of work involves building approach walls at the entrance to the Soo Locks and will be detailed in the solicitation documentation. The NAICS code for this project is 237990 for other heavy and civil engineering construction. There is no set-aside designated for this procurement. The anticipated period of performance is 30 days after contract award. All interested contractors should monitor the beta.SAM.gov website for solicitation amendments, responses to questions, and other updates, as the government will not maintain a mailing list. The primary point of contact for inquiries is the contract specialist named.