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FY26 Duwamish Waterway Maintenance Dredging, Seattle, WA
Contact and place of performance
Geraldine L. Kemp
Seattle, WA 98134
USA
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 $1,000,0...
View morematerial 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.
The U.S. Army Corps of Engineers, Seattle District, is issuing a pre-solicitation notice for the FY26 Duwamish Waterway Maintenance Dredging project in Seattle, Washington. This requirement involves the removal of approximately 100,000 cubic yards of accumulated sediment from designated reaches within the federal navigation channel. Work will be performed using a clamshell dredge and specialized equipment to minimize environmental impacts. Dredged material is slated for disposal at the Elliott Bay Open Water Disposal Site. The estimated magnitude of construction is between $1,000,000 and $5,000,000, and the resulting award will be a firm-fixed-price contract.
The project scope includes dredging in Section A and the Turning Basin to a depth of 15 feet MLLW plus two feet of overdepth, while Section B will be dredged to 15 feet MLLW plus one foot of overdepth. Performance is scheduled to occur within the established environmental work window from December 1, 2026, through February 15, 2027. This procurement is identified by solicitation number W912DW26Z1BY5 and is a 100% small business set-aside (SBA).
The primary classification for this opportunity is NAICS 237990, Other Heavy and Civil Engineering Construction, with a specific focus on dredging and surface cleanup. The applicable PSC is Y1KF, Construction of Dredging Facilities. Responses to this notice are due by June 28, 2026. Interested parties may direct inquiries to the point of contact, Geraldine L. Kemp. No attachments are currently included with this notice.
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