FY26 Duwamish Waterway Maintenance Dredging, Seattle, WA

Inactive on SAM.gov — responses were due 28 Jun 2026 · Total Small Business Set-Aside (FAR 19.5) · Department of the Army, DoD · Seattle, WA · NAICS 237990 · Solicitation W912DW26Z1BY5

Following NAICS 237990? Get new solicitations in it by email as they post — no account needed.

Email me new ones

What happened next

SAM.gov marked this notice inactive — responses were due 28 June 2026.

No award notice on SAM.gov yet. Not every award is posted there, so this does not mean it went unawarded.

Email me when the award is announced. One email, when SAM.gov posts the award notice. Not every award is posted there; if none appears within six months we'll tell you and stop. No account needed.

Solicitation details

Solicitation numberW912DW26Z1BY5
Notice ID74af421fe79e4d6892b23684494fb66f
AgencyDepartment of Defense (DoD)
Sub-agencyDepartment of the Army
Contracting officeW071 ENDIST SEATTLE
NAICS code237990 — Other Heavy and Civil Engineering Construction
Product / service code (PSC)Y1KF
Set-asideTotal Small Business Set-Aside (FAR 19.5)
Notice typePresolicitation
Posted12 June 2026
Response deadline28 June 2026 (closed)
Place of performanceSeattle, WA, USA

Get new NAICS 237990 solicitations by email

This one has closed. We'll email you when new NAICS 237990 (Other Heavy and Civil Engineering Construction) solicitations post — the first email lists what is open right now, then at most once a week, only when something new posts. No account needed; unsubscribe in a click.

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.

Go deeper on this solicitation

FedSift reads the full solicitation package — every attachment — and pre-extracts the compliance matrix, evaluation factors, key risks, win themes and deal-breakers, each with a verbatim quote and the exact PDF page it came from. It scores the opportunity against your company profile, tells you whether to bid as prime or sub, and ranks teaming partners who could close your gaps.

Open the AI analysis in FedSift →

Free forever plan — no credit card. Browse solicitations without an account; sign in for AI analysis and matching.

Market context: DoD and NAICS 237990

About the buyer and the industry, not this specific solicitation. Source: USASpending.gov award data, updated nightly.

  • In fiscal year 2026, DoD obligated $6.0B across 521 contract actions under NAICS 237990.
  • 385 contracts worth $12.5B in this category end within the next 18 months.

DoD contracts under NAICS 237990 →

Other open solicitations in NAICS 237990

All NAICS 237990 solicitations →

More from Department of Defense

All DoD solicitations →

Source: this notice on SAM.gov. FedSift republishes public federal procurement data and is not affiliated with the U.S. Government. Always confirm dates and requirements against SAM.gov before responding.

FedSift turns SAM.gov and USASpending data into federal BD intelligence — smart matches, recompete radar, cited AI solicitation analysis and compliance matrices.

Source data: SAM.gov (solicitations) and USASpending.gov (awards), refreshed nightly. FedSift is not affiliated with the U.S. Government.

Pricing · Privacy · Terms · support@fedsift.app