Duwamish Waterway Maintenance Dredging
The Department of Defense is procuring maintenance dredging services for the Duwamish Waterway in Seattle, WA. The project involves the removal of up to 100,000 cubic yards of sediment, with a contract value estimated between $1,000,000 and $5,000,000, and is set aside for small businesses. Dredging is scheduled to occur within a specific work window from December 1 to February 15.
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Scope & Requirements
The work involves dredging operations to remove sediment from designated areas of the Duwamish Waterway, utilizing equipment designed to minimize environmental impact.
Contract Details
- Contract Typei
- FFP
- Contract Value
- $1M – $5MSimilar contracts award $44K to $1.1M (median $204K, 8,308 awards)Above typical range
- Period of Performance
- 2026-12-01 to 2027-02-15
- NAICS Codes
- Place of Performance
- Seattle, WA, USA
Qualifications & Eligibility
- Set-Aside Category
- small business
Agency & Contact
Contracting Organization
- Agency
- DEPT OF DEFENSE
- Sub-Agency
- US Army Corps of Engineers
- Office
- Northwestern Division
Point of Contact
Key Dates
Description
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. Geraldine Kemp
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