The Department of Defense, specifically the U.S. Army Corps of Engineers Nashville District, is seeking qualified contractors to repair the gearbox for the Kentucky Lock Gate located in Grand Rivers, Kentucky. The project aims to address significant operational issues, including bearing failures, water intrusion, and structural integrity concerns that have led to unpredictable gearbox performance and potential extended downtime for the lock system. The repair is critical for maintaining the operational reliability of the lock, which is essential for navigation and waterway management. Interested parties should contact Branden Roberts at branden.a.roberts@usace.army.mil or Samantha Bautch at samantha.d.bautch@usace.army.mil for further details regarding this Sources Sought notice.