FY26 Duwamish Waterway Maintenance Dredging

Project Information

Bid Title
FY26 Duwamish Waterway Maintenance Dredging
Issuing Agency
DEPT OF DEFENSE
Location
Washington
Published Date
Jul 21, 2026
Closing Date
Aug 20, 2026
Government Level
Federal
Status
Closed
Ref. #
W912DW26BA011
Original Source
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Bid Inquiries
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Bid Documents
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Set Aside
Total Small Business Set-Aside (FAR 19.5)
Project Description
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FY26 Duwamish Waterway Maintenance Dredging
Active
Contract Opportunity
Notice ID
W912DW26BA011
Related Notice
Department/Ind. Agency
DEPT OF DEFENSE
Sub-tier
DEPT OF THE ARMY
Major Command
US ARMY CORPS OF ENGINEERS
Sub Command
ENGINEER DIVISION NORTHWESTERN
Sub Command 2
ENDIST SEATTLE
Office
W071 ENDIST SEATTLE
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General Information
  • Contract Opportunity Type: Solicitation (Original)
  • Original Published Date: Jul 21, 2026 04:24 pm PDT
  • Original Date Offers Due: Aug 20, 2026 10:00 am PDT
  • Inactive Policy: Manual
  • Original Inactive Date: Oct 01, 2026
  • Initiative:
    • None
Classification
  • Original Set Aside: Total Small Business Set-Aside (FAR 19.5)
  • Product Service Code: Y1KF - CONSTRUCTION OF DREDGING FACILITIES
  • NAICS Code:
    • 237990 - Other Heavy and Civil Engineering Construction
  • Place of Performance:
    Seattle, WA
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.
Attachments/Links
Contact Information
Contracting Office Address
  • KO CONTRACTING DIVISION 4735 EAST MARGINAL WAY SOUTH
  • SEATTLE , WA 98134-2329
  • USA
Primary Point of Contact
Secondary Point of Contact


History
  • Jul 21, 2026 04:24 pm PDTSolicitation (Original)
Commodity Codes
  • FSC YConstruction of Structures and Facilities
  • NAICS 237990Other Heavy and Civil Engineering Construction
Related bids
Jul 22, 2026[Solicitation (Updated)] FY26 Duwamish Waterway Maintenance Dredging
Aug 20, 2026[Solicitation (Updated)] FY26 Duwamish Waterway Maintenance Dredging
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