The U.S. Army Corps of Engineers, Pittsburgh District, is seeking contractors for the replacement of the central hydraulic system at the Hannibal Locks and Dam on the Ohio River. This project involves the installation of a modified four-corner hydraulic system for both the Main and Auxiliary Lock Chambers, including the provision of Hydraulic Power Units (HPUs), manifold blocks, stainless steel hydraulic piping, and associated control systems. The work is critical for maintaining the operational efficiency of the locks and will require minimal lock closures during installation, with a completion timeline of 365 calendar days post-award. Interested bidders should contact Aaron Barr at aaron.m.barr@usace.army.mil or Connie Ferguson at connie.l.ferguson@usace.army.mil, with the contract value estimated between $10 million and $25 million, and the Invitation for Bid expected to be issued around January 3, 2024.