FY26 Duwamish Waterway Dredging
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 U.S. Army Corps of Engineers (USACE) Seattle District has issued a Sources Sought announcement for the FY26 Duwamish Waterway Dredging project in Seattle, WA. This is for informational and market research purposes only, aiming to identify qualified contractors for a future construction project. Responses are due by April 22, 2026, 5:00 PM PST.
Scope of Work
The project involves the removal of up to 100,000 cubic yards (CY) of accumulated sediment from designated reaches within the Duwamish Waterway federal navigation channel. Dredging will occur during the allowable work window of December 1, 2026, through February 15, 2027. A clamshell dredge will be used, with dredged material disposed at the DMMP Elliot Bay Open Water Disposal Site. Specific dredging depths are -15 ft MLLW plus 2 ft overdepth for Section A and the Turning Basin, and -15 ft MLLW plus 1 ft overdepth for Section B.
Contract & Timeline
- Type: Sources Sought (market research for a future construction project)
- Anticipated Contract Type: Firm-Fixed Price
- Magnitude: Between $1 Million and $5 Million
- NAICS Code: 237990 (Other Heavy and Civil Engineering Construction)
- FSC Code: Y1KF (Construction Of Dredging Facilities)
- Response Due: April 22, 2026, 5:00 PM PST
- Published: April 2, 2026
Set-Aside
The set-aside designation is not yet determined. The Government will use responses to this Sources Sought to decide if the future solicitation will be set aside for Small Business, 8(a), Woman Owned Small Business (WOSB), Service-Disabled Veteran Owned Small Business (SDVOSB), or HUBZone contractors, or if it will be issued as unrestricted.
Requirements for Response
Interested firms should submit a capabilities package including:
- Firm's name, address, point of contact, phone, and email.
- CAGE code and UEI number.
- Statement of interest in bidding on the solicitation.
- Business classification (SB, SDB, WOSB, VOSB, SDVOSB, HUBZone, 8(a)).
- Joint venture information (if applicable).
- Bonding information (single and aggregate limits on company letterhead, with POC).
Additional Notes
This is not a request for proposals, and no solicitation is currently available. Responses are for market research only and do not guarantee a future contract. All interested firms must be registered and active in SAM.gov. Submit responses via email to Geraldine L. Kemp (Geraldine.L.Kemp@usace.army.mil) with the subject line "FY26 Duwamish Waterway Dredging". The Office of Small Business Programs POC is Enshane Hill-Nomoto (enshane.nomoto@usace.army.mil).