This is a pre-solicitation notice for a USACE Seattle District maintenance dredging project on the Duwamish Waterway in Seattle, WA. The estimated construction cost is between $1,000,000 and $5,000,000, and the contract will be a firm-fixed-price, 100% small business set-aside. The work involves removing up to 100,000 cubic yards of sediment using a clamshell dredge, with disposal at the Elliot Bay Open Water Disposal Site. Performance is anticipated during the dredging window of December 1, 2026, through February 15, 2027. The NAICS code is 237990, with a small business size standard of $37,000,000 in average annual receipts.