FY26 Willapa Bay Maintenance Dredging Bid Opening Details

The U.S. Army Corps of Engineers, Seattle District, is soliciting bids for the FY26 Willapa Bay Maintenance Dredging project in Willapa Harbor, Washington (Solicitation Number: W912DW26BA001). The project involves dredging approximately 180,000 cubic yards from the Bay Center, Nahcotta, and Tokeland Federal Navigation Channels to authorized depths using mechanical clamshell dredging, with minimum depths of -10 ft (Bay Center & Nahcotta) and -15 ft (Tokeland), MLLW, plus 2 ft overdepth. An additional 10,000 CY may be required in the Bay Center/Palix River Access Lane. The estimated construction price range is between $5,000,000 and $10,000,000, with an anticipated duration of 3-7 months, beginning in summer 2026. **Unique challenges include significant navigational hazards and limited in-water work windows – Bay Center/Palix River (July 16 – Sept 30), Nahcotta (July 16 – Feb 1), and Tokeland (July 16 – Feb 15).** Dredged material will be disposed at Cape Shoalwater or South Channel open-water dispersive disposal sites. Complete details, specifications, and submission instructions are available in the attached solicitation (Amendment 0003).

Notice ID

0ac035410aa94fe1af7d9ca01ee4533d

Solicitation Number

W912DW26BA001

NAICS Code

237990

Classification Code

Y1KF