LOCK AND DAM 25 NEW 1,200 FT LOCK NAVIGATION AND ECOSYSTEM SUSTAINABILITY PROGRAM (NESP)

Tender summary

NESP LD25 1200 ft Lock --------- The new lock at Lock 25 will be constructed in the downstream direction in the auxiliary miter gate bay, which has minimum provisions for an adjacent 360-foot-long lock and is referred to as Location 3 in the System Feasibility Study (September 2004). This contract will consist of construction of a new 1,200-foot drilled shaft-founded lock in the auxiliary miter gate bay, a 1,200-foot upstream ported guard wall, and a 650-foot downstream guard wall. The existing 600-foot lock will remain in place and once the new lock is constructed and operational, will become an auxiliary lock chamber used primarily by recreation traffic or when the 1,200 ft lock is out of service. ------------ SEE ATTACHMENT FOR FULL DETAILS OF UPCOMING REQUIREMENT SOLICITATION. --------- Attachment 0004 Plans (Volume 1-7) and Attachment 0005 Navisworks Federated Model must be requested via email to Contract Specialist, Whitney Dee at whitney.r.dee@usace.army.mil. Upon request they will be sent via DoD SAFE, since the files are too large to attach within PIEE or send via email.

What to check before bidding

• Issued by DEPT OF DEFENSE.DEPT OF THE ARMY.US ARMY CORPS OF ENGINEERS.ENGINEER DIVISION MISSISSIPPI VALLEY.ENDIST ST LOUIS.W07V ENDIST ST LOUIS.
• Located in United States.
• Source notice 8f8193b0e9924e128abad534366aba7c on SAM.gov.
• Notice published 14 Jul 2026; Tenqual indexed it 15 Jul 2026.
• Deadline listed as 16 Nov 2026.
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