This document provides details on a federal contract solicitation for construction services. The U.S. Army Corps of Engineers Detroit District is seeking a firm fixed price contract for upstream approach wall construction at the Soo Lock Complex in Sault Ste. Marie, Michigan. The scope of work involves building approach walls and will be specified in the solicitation documentation. The NAICS code is 237990 for other heavy and civil engineering construction. There are no set-asides and all businesses are eligible to compete. The period of performance will begin within 30 days of award. Interested parties should monitor the beta.SAM.gov website for amendments and submit electronic proposals by the response date specified in the solicitation. The point of contact for inquiries is the listed contracting specialist.