FY26 Duwamish Waterway Maintenance Dredging
Closed Solicitation Posted
This opportunity was awarded. See the award notice from .
- Solicitation number
- W912DW26BA011
- Agency
-
ENDIST Seattle
US Army Corps of Engineers, Department of Defense
- Responses due
- Set-aside
- Total Small Business
Opportunity facts
- NAICS code
- 237990 Other Heavy and Civil Engineering Construction
- PSC
- Y1KF Construction Of Dredging Facilities
- Place of performance
- Seattle, WA
- Points of contact
Notice details come from SAM.gov. Updated .
About this opportunity
The Department of the Army Corps of Engineers Seattle District seeks construction dredging services for FY26 Duwamish Waterway Maintenance Dredging in Seattle, Washington, with proposals due August 20, 2026. The procurement is a 100% small business set-aside, and the resulting contract will be firm-fixed-price.
Place of performance is the Duwamish Waterway federal navigation channel in Seattle, WA. Work is anticipated during the dredging window of December 1, 2026 through February 15, 2027. USACE proposes to remove up to 100,000 cubic yards of accumulated sediment using a clamshell dredge with equipment designed to minimize environmental impacts. Dredging in Section A (Station 254+00 to 270+56) and the Turning Basin (Station 270+56 to 275+56) will be to 15 feet MLLW plus 2 feet overdepth; dredging in Section B (Station 242+00 to 254+00) will be to 15 feet MLLW plus 1 foot overdepth. Dredged material will be disposed at the Dredge Materials Management Program Elliot Bay Open Water Disposal Site.
The estimated magnitude of construction is between $1,000,000 and $5,000,000. The NAICS code is 237990, Other Heavy and Civil Engineering Construction; PSC is Y1KF, Construction Of Dredging Facilities. One responsive bid was received from American Construction Co., Inc., Tacoma, WA, at $2,851,950.00.
Notice text
3 versions
Update #3 · Latest ·
Construction Project: FY26 Duwamish Waterway Maintenance Dredging. Pre-solicitation Notice Number: W912DW26Z1BY5. PLEASE REFER TO THE ATTACHED SOLICITATION DOCUMENTATION FOR COMPLETE DETAILS OF REQUIREMENTS AND INSTRUCTIONS FOR BID SUBMISSIONS.
Update #2 ·
Construction Project: FY26 Duwamish Waterway Maintenance Dredging. Pre-solicitation Notice Number: W912DW26Z1BY5. PLEASE REFER TO THE ATTACHED SOLICITATION DOCUMENTATION FOR COMPLETE DETAILS OF REQUIREMENTS AND INSTRUCTIONS FOR BID SUBMISSIONS.
Update #1 ·
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. 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. PLEASE REFER TO THE ATTACHED SOLICITATION DOCUMENTATION FOR COMPLETE DETAILS OF REQUIREMENTS AND INSTRUCTIONS FOR BID SUBMISSIONS.
Files
| File | Type | Posted |
|---|---|---|
| ABSTRACT - 26BA011 DUWAMISH WATERWAY DREDGING .pdf |
Notice history
| Notice | Type | Posted |
|---|---|---|
| FY26 Duwamish Waterway Maintenance Dredging | Award Notice | |
| This notice | Solicitation |
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