We are seeking quotes for construction of a new 1,200-foot lock, an upstream guard wall, and a downstream guard wall at Lock and Dam 25.
Main scope: Build a new 1,200-foot drilled shaft-founded lock in the auxiliary miter gate bay.
Guard walls: Build a 1,200-foot upstream ported guard wall and a 650-foot downstream guard wall.
Existing lock: The existing 600-foot lock stays in place and becomes an auxiliary chamber for recreation traffic or when the new lock is out of service.
Plans and models: Plans (Volumes 1-7) and the Navisworks Federated Model must be requested by email from Contract Specialist Whitney Dee and are sent via DoD SAFE.
Site visit: A pre-proposal site visit is planned; details are in the update labeled 0817.
Amendments: Amendment 0001 covers bidder inquiries answered through 31 August 2026, with more Q&A amendments to come.
Department of Defense — $46,158,199 — July 10, 2028
Department of Agriculture — $114,657 — March 1, 2027
Department of Defense — $13,322,000 — February 28, 2027
Department of Defense — $53,000,000 — November 1, 2026
Department of Agriculture — $385,174 — October 30, 2026
Recent comparable awards for similar work — not necessarily this exact solicitation's history.
Want to bid it yourself?
You can, and it is free. Go to SAM.gov, search for solicitation W912P926RA004, and submit before November 16, 2026. You will need your own account on that site and an active SAM.gov registration.