FY26 Duwamish Waterway Maintenance Dredging, Seattle, WA
Overview
Buyer
Place of Performance
NAICS
PSC
Set Aside
Original Source
Timeline
Qualification Details
Fit reasons
- NAICS alignment with historical contract wins in similar service areas.
- Scope strongly matches core technical capabilities and delivery model.
Risks
- Past performance thresholds may require one additional teaming partner.
- Potential clarification needed on staffing minimums before bid/no-bid.
Next steps
Validate eligibility requirements, assign capture owner, and schedule partner outreach to confirm teaming strategy before submission planning.
Quick Summary
The USACE Seattle District has issued a Presolicitation Notice for the FY26 Duwamish Waterway Maintenance Dredging project in Seattle, WA. This notice anticipates a forthcoming solicitation for a firm-fixed-price contract, estimated between $1,000,000 and $5,000,000. The opportunity will be a 100% Total Small Business Set-Aside.
Scope of Work
The project involves removing up to 100,000 cubic yards (CY) of accumulated sediment from designated reaches of the Duwamish Waterway federal navigation channel. Dredging is anticipated to occur during the allowable work window of December 1, 2026, through February 15, 2027. The work will be accomplished using a clamshell dredge designed to minimize environmental impacts. Dredged material will be disposed of at the Dredge Materials Management Program (DMMP) Elliot Bay Open Water Disposal Site. Specific dredging depths are: 15 ft MLLW plus 2 ft overdepth for Section A (Sta. 254+00 to Sta. 270+56) and the Turning Basin (Sta. 270+56 to Sta. 275+56), and -15 ft MLLW plus 1 ft overdepth for Section B (Sta. 242+00 to Sta. 254+00).
Contract & Timeline
- Contract Type: Firm-Fixed-Price
- Magnitude: Estimated between $1,000,000 and $5,000,000
- Set-Aside: 100% Total Small Business Set-Aside
- NAICS Code: 237990 (Dredging and Surface Cleanup)
- Small Business Size Standard: $37,000,000 in average annual receipts
- Published Date: June 12, 2026
- Anticipated Solicitation Response Date: June 28, 2026 (for the forthcoming solicitation)
Additional Notes
This is a notification that a solicitation is anticipated and forthcoming. Offerors are responsible for checking SAM.gov for any updates to this notice or the eventual solicitation. To receive automatic notifications, vendors should log in to SAM.gov and add the solicitation to their Watchlist. Interested vendors can also click the 'Add Me to Interested Vendors' button on the SAM.gov listing. All questions regarding this presolicitation should be submitted in writing to the points of contact: Geraldine L. Kemp (Geraldine.L.Kemp@usace.army.mil) or Alex R. Marcinkiewicz (alex.r.marcinkiewcz@usace.army.mil).