Opportunity
SAM #W912DW26Z1BY5
FY26 Duwamish Waterway Maintenance Dredging, Seattle, WA
Buyer
Seattle District, USACE
Posted
June 12, 2026
Respond By
June 28, 2026
Identifier
W912DW26Z1BY5
NAICS
237990
The U.S. Army Corps of Engineers, Seattle District (USACE Seattle), is preparing to solicit bids for the FY26 Duwamish Waterway Maintenance Dredging project in Seattle, WA. - Government Buyer: - U.S. Army Corps of Engineers, Seattle District - Project Overview: - Maintenance dredging of the Duwamish Waterway federal navigation channel - Removal of up to 100,000 cubic yards of accumulated sediment - Use of clamshell dredge and equipment designed to minimize environmental impacts - Disposal of dredged material at the DMMP Elliot Bay Open Water Disposal Site - Contract Details: - Firm-fixed-price construction contract - 100% set aside for small businesses - NAICS code 237990 (Dredging and Surface Cleanup) - Small business size standard: $37,000,000 average annual receipts - Unique Requirements: - Adherence to allowable dredging work window (December 1 to February 15) - Environmental minimization measures required - Dredging depths and overdepths specified for different sections - OEMs and Vendors: - No specific OEMs or vendors named in the notice - Products/Services Requested: - Duwamish Waterway Maintenance Dredging Service (up to 100,000 cubic yards) - No part numbers or specific equipment listed
Description
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.