The U.S. Army Corps of Engineers, St. Louis District, is seeking contractors for the construction of the Lock and Dam 25 Downstream Approach Guide Cell. This project falls under the NAICS code 237990, which pertains to Other Heavy and Civil Engineering Construction, and involves the construction of radar and navigational facilities. The guide cell is crucial for ensuring safe navigation and operational efficiency in the waterway system. Interested contractors can reach out to Whitney Dee at whitney.r.dee@usace.army.mil or 314-331-8621, or Catherine Hansen at catherine.a.hansen@usace.army.mil or 314-331-8520 for further details. The notice is currently in the presolicitation phase, and additional information regarding timelines and funding will be provided as the procurement process progresses.