Pre-Solicitation - FY26-FY29 Grays Harbor Inner Harbor Maintenance Dredging

The U.S. Army Corps of Engineers (USACE), Seattle District is seeking a contractor for the planned maintenance dredging in Grays Harbor, Washington. The work is scheduled to be executed over three consecutive dredging seasons between July 2026 and February 2029. The selected contractor will be responsible for the mechanical clamshell dredging of approximately 1 million cubic yards of sediment per season. The dredging activities must be suspended during a mandatory seasonal shutdown period to accommodate Tribal fishing activities. The contractor will also be required to perform turbidity monitoring during dredging and disposal operations. • The project involves maintenance dredging in Grays Harbor, Washington • The work will be executed over three consecutive dredging seasons • The contractor will be responsible for mechanical clamshell dredging of approximately 1 million cubic yards of sediment per season • The dredging activities must be suspended during a mandatory seasonal shutdown period • The contractor will be required to perform turbidity monitoring during dredging and disposal operations