The U.S. Army Corps of Engineers (USACE), St. Louis District, is seeking businesses that are interested in and capable of constructing the Lock Foundation and Site Preparation for Lock and Dam 25. Lock and Dam 25 is located approximately 61.5 river miles upstream from St. Louis and 241.5 miles above the mouth of the Ohio River. The contract is anticipated to be a Firm-Fixed-Price Construction contract. The anticipated period of performance for this project is 365 calendar days from issuance of the notice to proceed (NTP). ---- Amd 0002 provides Plans & Specifications are at a 95 percent level of design maturity and are not the final set that will go out with the solicitation.