FY26 Duwamish Waterway Maintenance Dredging, Seattle, WA W912DW26Z1BY5
Summary
AI-generated · Jun 13, 2026Dredging work in the Duwamish Waterway in Seattle involves removing up to 100,000 cubic yards of accumulated sediment from designated reaches, using a clamshell dredge and equipment designed to minimize environmental impacts. Dredged material will be disposed at the DMMP Elliot Bay Open Water Disposal Site. The project includes Section A (Sta. 254+00 to 270+56 and the Turning Basin from 270+56 to 275+56) dredged to 15 ft MLLW with 2 ft overdepth, and Section B (Sta. 242+00 to 254+00) dredged to 15 ft below MLLW with 1 ft overdepth.
The contract will be a firm-fixed-price arrangement with an estimated value between $1,000,000 and $5,000,000, and the work must be performed within the allowable winter dredging window. Details on bid submission and virtual bid opening will be provided in the forthcoming solicitation; interested bidders should monitor SAM.gov for updates.
This Synopsis/Pre-Solicitation Notice is ONLY A NOTIFICATION that a solicitation is anticipated and forthcoming. All questions regarding this Synopsis/Pre-Solicitation should be submitted in writing to the Point of Contact(s) indicated below. Construction Project: FY26 Duwamish Waterway Maintenance Dredging Pre-solicitation Notice Number: W912DW26Z1BY5 The magnitude of construction is estimated to be between $1,000,000 and $5,000,000. The resulting contract will be firm-fixed-price. This contract action will be 100% small business set-aside. FY26 Duwamish Waterway Maintenance Dredging Project Details: USACE Seattle District has a need for construction dredging, project entitled FY26 Duwamish Waterway Maintenance Dredging, Seattle, WA. The work is anticipated to take place during the allowable dredging work window of 1 December 15 February for any given year. USACE Seattle District proposes to remove up to 100,000 cubic yards (CY) of accumulated sediment from designated reaches in the Duwamish Waterway federal navigation channel in Seattle, WA. Dredging would occur within the dredging work window of 01 Dec 2026 through 15 Feb 2027. The dredging will be accomplished using a clamshell dredge and equipment designed to minimize the potential for impacts to the surrounding environment. Dredged material will be disposed at the Dredge Materials Management Program (DMMP) Elliot Bay Open Water Disposal Site. Dredging in Section A (Sta. 254+00 to Sta. 270+56) and the Turning Basin (Sta. 270+56 to Sta. 275+56) will be to 15 ft MLLW plus 2 ft overdepth. Dredging in Section B (Sta. 242+00 to Sta. 254+00) will be to -15 ft MLLW plus 1 ft overdepth See the forthcoming solicitation for details about bid submission and virtual bid opening. The NAICS code for this procurement is 237990, Dredging and Surface Cleanup, and the associated small business size standard is $37,000,000 in average annual receipts. Offerors are responsible for checking for any update(s) to the Notice/Solicitation. The Government is not responsible for any loss of Internet connectivity or for an offeror's inability to access the document(s) posted at the referenced website. To obtain automatic notifications of updates to this notice, you must log in to www.SAM.gov and add the solicitation to your Watchlist. If you would like to list your firm so others can see you are an interested vendor, you must click the Add Me to Interested Vendors button in the listing for this solicitation on www.SAM.gov.
From Presolicitation posted on Jun 12, 2026Notice history
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Presolicitation LATEST Posted Jun 12, 2026
Details
Award Information
Not yet awarded
Contacts
Agency
Place of Performance
USA