Bid #XE3718. Contact: pedro.mena@wsdot.wa.gov. Washington State DOT, King County, Washington. This Project will remove (2) fish barrier culverts and (7) weirs. These existing fish barriers will be replaced with a fish-passable structure and a new stream alignment. Due Nov 11.
This Project will remove (2) fish barrier culverts and (7) weirs. These existing fish barriers will be replaced with a fish-passable structure and a new stream alignment under SR 509/Des Moines Memorial Drive. Work will include, but is not limited to, fish exclusion and temporary stream bypass… Counties: King
Washington State DOT issued this drainage and stormwater opportunity in King County, Washington, referenced as solicitation number XE3718. It was published on March 19, 2026, and responses are due by November 11, 2026. The estimated contract value is approximately $20,000,000. Questions can be directed to pedro.mena@wsdot.wa.gov.
Washington State DOT in King County, Washington is using this solicitation to procure drainage work. Public buyers typically advertise this kind of work as an Invitation for Bids (IFB), Request for Proposals (RFP), or Request for Qualifications (RFQ), depending on whether the selection is price-driven, qualifications-driven, or both. Bidders responding to a drainage solicitation in Washington are generally expected to provide proof of liability insurance and workers' compensation coverage, hold any state license or trade certification required for the scope of work, and post performance and payment bonds for contracts above the agency's threshold.
Federal-aid funding flowing through programs such as the Federal Highway Administration, FEMA, or the Infrastructure Investment and Jobs Act brings additional compliance requirements on solicitations like this one, including Davis-Bacon prevailing wage, Buy America provisions where applicable, and Disadvantaged Business Enterprise (DBE) participation goals set by the issuing agency. PublicBidSearch indexes this solicitation alongside other open bids in Washington so contractors and vendors can compare active opportunities by category, agency, or location without monitoring each procurement portal individually.
To submit a bid for this solicitation, review the full solicitation documents for Washington State DOT's exact scope of work, submission format, and any mandatory pre-bid meeting or site visit. Responses must be received before the November 11, 2026 deadline — public agencies routinely reject late submissions regardless of cause. Confirm how the agency accepts responses — through an electronic procurement portal, as a sealed hard-copy bid, or by email — because the required method varies by agency and a non-conforming submission can be disqualified. Direct questions about scope or specifications to pedro.mena@wsdot.wa.gov before the agency's question cut-off date. Vendors that have not previously contracted with Washington State DOT should confirm whether registration on the agency's vendor system is required to be eligible for award.
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