McNary Downstream Miter Gate Replacement
Overview
Buyer
Place of Performance
NAICS
PSC
Set Aside
Original Source
Timeline
Qualification Details
Fit reasons
- NAICS alignment with historical contract wins in similar service areas.
- Scope strongly matches core technical capabilities and delivery model.
Risks
- Past performance thresholds may require one additional teaming partner.
- Potential clarification needed on staffing minimums before bid/no-bid.
Next steps
Validate eligibility requirements, assign capture owner, and schedule partner outreach to confirm teaming strategy before submission planning.
Quick Summary
The US Army Corps of Engineers, Walla Walla District, is conducting market research through a Sources Sought notice for the McNary Downstream Miter Gate Replacement project. This is not a solicitation but seeks to identify interested businesses capable of performing this heavy civil engineering construction. The project is estimated to be between $25,000,000 and $100,000,000. Responses are due by May 29, 2026, at 3:00 PM PST.
Scope of Work
This project involves the replacement of an existing two-leaf arch rib miter gate, including mechanical equipment, embedded pintle ball, and sill beam. Each gate leaf weighs approximately 425 tons (850,000 pounds) and measures 53.5 feet wide by 106 feet tall. Key specifications include:
- Fabrication: Gates must be fabricated and coated in the shop, then delivered to the site in one piece by barge.
- Materials: ASTM A709 Grade 50 steel, AWS D1.5 Bridge Welding Code with Fracture Critical Members.
- Certifications: AISC Certified Bridge Fabricator (IBR or ABR) with Fracture Control Endorsement (FCE), OR Certified Hydraulic Fabricator (HYDA). Painter certification (SSPC QP 1 OR AISC Complex Coating Endorsement) is also required for USACE System 5-E-Z Impacted Immersion Vinyl coating.
Contract & Timeline
- Type: Sources Sought (market research for a future firm-fixed-price construction contract)
- Estimated Magnitude: $25,000,000 - $100,000,000
- NAICS Code: 237990 – Other Heavy Civil Engineering and Construction
- Small Business Size Standard: $45.0 million
- Set-Aside: None specified (market research stage)
- Tentative Schedule:
- Contract Award: April 2028 (NTP)
- Fabrication Complete: December 2029 (20 months from NTP)
- Site Work Window: 16 weeks during the 2030 Extended Columbia River Navigation Outage (January 2030 to April 2030)
Information Requested
Interested businesses should submit the following:
- Up to three current/past projects demonstrating technical experience with similar work (narrative, company role, dollar value, completion date, special qualifications/certifications).
- Reference list for each project.
- Subcontracting plan (percentage and portions).
- Company business size status (Large, Small, HUBZone, SDVOSB, 8(a), small disadvantaged, or woman-owned) for NAICS 237990.
- Statement of intent to submit an offer when advertised.
- Statement of bonding capacity (surety statement not required).
- Cage Code and SAM.gov Unique Entity ID (UEI) number.
- Feedback on fabrication time (20 months), barge delivery feasibility, crane feasibility (size, availability, footprint), and site installation feasibility within the 16-week outage window.
Additional Notes
This notice is for market research and planning only; it is not a commitment to award a contract or pay for information submitted. Respondents will not be notified of results. Bidders are responsible for monitoring SAM.gov for future solicitations.
Contact Information
Submit responses via email to Preston Jones, Contract Specialist, at preston.e.jones@usace.army.mil.