FY26 Willapa Bay Maintenance Dredging

The U.S. Army Corps of Engineers, Seattle District, is soliciting bids for the FY26 Willapa Bay Maintenance Dredging project (Solicitation Number: W912DW26BA001) in Willapa Harbor, Washington. The project involves maintenance dredging of the Bay Center, Nahcotta, and Tokeland Federal Navigation Channels to authorized depths, utilizing mechanical clamshell dredging, with an estimated quantity of up to 180,000 cubic yards. Dredged material will be disposed of at designated open-water sites. Work is anticipated to begin in summer 2026, with specific in-water work windows varying by channel (July-February). The estimated construction price range is between $5,000,000 and $10,000,000, with an estimated project duration of 3-7 months. Contractors should be aware of significant navigational hazards and unpredictable weather conditions in Willapa Bay, which may complicate mobilization and operations. Further details, including submission instructions, are available in the attached solicitation, specifications, and drawings.

Notice ID

a4b50026f03046bd9652f3f157fdd55c

Solicitation Number

W912DW26BA001

NAICS Code

237990

Classification Code

Y1KF