The United States Army Corps of Engineers - Chicago District intends to issue a solicitation for construction upgrades at the Thomas J. O'Brien Lock and Dam in Chicago, Illinois. The work involves building a storage area, expanding boat ramp gates, and increasing the height of the security fence, with all personnel required to meet specific USACE safety standards. This acquisition is reserved exclusively for small businesses, with an estimated construction cost between $25,000 and $100,000 and a planned award date in February 2026. All quotes must be submitted electronically, and contractors must be registered in SAM and the DoD PIEE system to access the solicitation and bid. Inquiries must be submitted to the specified point of contact no later than January 30, 2026.