The Department of Defense, through the U.S. Army Corps of Engineers (USACE) Nashville District, is seeking information from qualified contractors for the Chickamauga Lock Replacement Approach Wall and Decommissioning project in Chattanooga, Tennessee. This procurement involves constructing new downstream approach walls for a navigation lock, decommissioning an existing lock, and various associated construction activities, with an estimated project value between $250 million and $500 million. The project is critical for enhancing navigation on the Tennessee River and includes significant construction and environmental control measures. Interested contractors must respond to the Request for Information by November 11, 2024, and can schedule one-on-one sessions with USACE representatives by contacting Connor Struckmeyer or Stacy Wiggins via email.