Mount saint helens sediment retention structure crest raise
Closed Solicitation Posted
This opportunity was awarded. See the award notice from .
- Solicitation number
- W9127N26BA004
- Agency
- ENDIST Portland US Army Corps of Engineers, Department of Defense
- Responses due
- Set-aside
- No set-aside
Opportunity facts
- NAICS code
- 237990 Other Heavy and Civil Engineering Construction
- Place of performance
- Toutle, Washington 98649, United States
- Points of contact
-
- Nicole Adams nicole.a.adams@usace.army.mil (503) 808-4614
- Andrew Sprys andrew.j.sprys@usace.army.mil (503) 995-5330
Notice details come from SAM.gov. Updated .
About this opportunity
The U.S. Army Corps of Engineers Portland District is soliciting competitive, firm-fixed price construction services for the Mount Saint Helens Sediment Retention Structure Crest Raise project located on the North Fork Toutle River in Cowlitz County, Washington. The project scope includes mobilization and demobilization, river diversion, rock excavation, rock foundation preparation, dental concrete placement, roller-compacted concrete placement, outlet works sealing, and related incidental work designed to increase sediment storage capacity while maintaining existing river flows. Key contract requirements include compliance with Davis-Bacon wage determinations for heavy construction in Cowlitz County, submission of a subcontracting plan with specified small business participation floors (5% for all small businesses, 1% for small disadvantaged businesses, 1% for women-owned small businesses, 1% for HUBZone small businesses, 3% for veteran-owned small businesses, and 1% for service-disabled veteran-owned small businesses), Cybersecurity Maturity Model Certification (CMMC) Level 1 compliance, performance and payment bonds within 10 calendar days of award, and comprehensive insurance coverage including $1 million per occurrence for general and automobile liability. The evaluation criteria include a 10% HUBZone price evaluation preference applied to eligible proposals. Critical deadlines include a mandatory pre-bid site visit scheduled for December 1, 2025, bidder registration deadline of November 28, 2025, and a proposal submission deadline of 11:00 AM on December 19, 2025, via electronic submission through ProjNetBid in Adobe PDF format with a required 60-day bid validity period.
This solicitation carries no set-aside designations and represents unrestricted full and open competition. The estimated project value ranges between $25,000,000 and $100,000,000, with three bids received at opening on December 19, 2025: Anvil Builders Inc. ($38,199,914.01), Flatiron Dragados Constructors, Inc. ($35,919,823.00), and MIOC A Joint Venture ($42,397,850.00). The contract performance period is approximately 846 calendar days from the anticipated Notice to Proceed dated November 19, 2025. Contractor access to the work site will be provided via gravel access roads on the dam site, gravel roadways on the embankment dam top, the concrete outlet works structure, and a paved roadway on the spillway approach pier west of the existing spillway crest. The place of performance is Toutle, Washington, with project administration by the U.S. Army Corps of Engineers Portland District and oversight by the Vancouver Resident Office, requiring all contract personnel to complete Antiterrorism Level I awareness training, physical security access control procedures, suspicious activity reporting training, and E-Verify employment eligibility verification.
Notice text
4 versions
Update #4 · Latest ·
***12/05/25*** For project related CADD files, please reach out to me directly as this site does not support the file type: Andrew.j.sprys@usace.army.mil
***12/05/25*** The purpose of this amendment is to update specifications due to bidder inquiries. See Summary of changes. All other terms and conditions remain unchanged.
SYNOPSIS
The U.S. Army Corps of Engineers (USACE) Portland District is soliciting a Contract for the Mt. St. Helens Sediment Retention Structure Crest Raise on the North Fork Toutle River in Cowlitz County, Washington. The proposed project will be a competitive, firm-fixed price (FFP) contract.
Description of Requirement: The U.S. Army Corps of Engineers, Portland District, has a requirement to construct an increased level of sediment retention structure providing additional storage and allowing existing river flows. The work includes mobilization/demobilization, river diversion, rock excavation, rock foundation preparation including placement of dental concrete, placement of roller-compacted concrete, outlet works sealing, and incidental related work. This effort is to include all associated works required and described within this Contract package.
Purpose: The project purpose is to construct an increased level of sediment retention structure providing additional storage and allowing existing river flows. The work includes mobilization/demobilization, river diversion, rock excavation, rock foundation preparation including placement of dental concrete, placement of roller-compacted concrete, outlet works sealing, and incidental related work. This effort is to include all associated works required and described within this Contract package.
The work will be located at the Sediment Retention Structure on the North Fork Toutle River in Cowlitz County, Washington, off of Highway 504. Contractor access to the work site will be from gravel access roads on the dam site, the gravel roadway on top of the embankment dam, the top of the concrete outlet works structure, and a paved roadway on the spillway approach pier west of the existing spillway crest.
Update #3 ·
***12/05/26*** For project related CADD files, please reach out to me directly as this site does not support the file type: Andrew.j.sprys@usace.army.mil
SYNOPSIS
The U.S. Army Corps of Engineers (USACE) Portland District is soliciting a Contract for the Mt. St. Helens Sediment Retention Structure Crest Raise on the North Fork Toutle River in Cowlitz County, Washington. The proposed project will be a competitive, firm-fixed price (FFP) contract.
Description of Requirement: The U.S. Army Corps of Engineers, Portland District, has a requirement to construct an increased level of sediment retention structure providing additional storage and allowing existing river flows. The work includes mobilization/demobilization, river diversion, rock excavation, rock foundation preparation including placement of dental concrete, placement of roller-compacted concrete, outlet works sealing, and incidental related work. This effort is to include all associated works required and described within this Contract package.
Purpose: The project purpose is to construct an increased level of sediment retention structure providing additional storage and allowing existing river flows. The work includes mobilization/demobilization, river diversion, rock excavation, rock foundation preparation including placement of dental concrete, placement of roller-compacted concrete, outlet works sealing, and incidental related work. This effort is to include all associated works required and described within this Contract package.
The work will be located at the Sediment Retention Structure on the North Fork Toutle River in Cowlitz County, Washington, off of Highway 504. Contractor access to the work site will be from gravel access roads on the dam site, the gravel roadway on top of the embankment dam, the top of the concrete outlet works structure, and a paved roadway on the spillway approach pier west of the existing spillway crest.
Update #2 ·
SYNOPSIS
The U.S. Army Corps of Engineers (USACE) Portland District is soliciting a Contract for the Mt. St. Helens Sediment Retention Structure Crest Raise on the North Fork Toutle River in Cowlitz County, Washington. The proposed project will be a competitive, firm-fixed price (FFP) contract.
Description of Requirement: The U.S. Army Corps of Engineers, Portland District, has a requirement to construct an increased level of sediment retention structure providing additional storage and allowing existing river flows. The work includes mobilization/demobilization, river diversion, rock excavation, rock foundation preparation including placement of dental concrete, placement of roller-compacted concrete, outlet works sealing, and incidental related work. This effort is to include all associated works required and described within this Contract package.
Purpose: The project purpose is to construct an increased level of sediment retention structure providing additional storage and allowing existing river flows. The work includes mobilization/demobilization, river diversion, rock excavation, rock foundation preparation including placement of dental concrete, placement of roller-compacted concrete, outlet works sealing, and incidental related work. This effort is to include all associated works required and described within this Contract package.
The work will be located at the Sediment Retention Structure on the North Fork Toutle River in Cowlitz County, Washington, off of Highway 504. Contractor access to the work site will be from gravel access roads on the dam site, the gravel roadway on top of the embankment dam, the top of the concrete outlet works structure, and a paved roadway on the spillway approach pier west of the existing spillway crest.
Update #1 ·
***19-NOV-25*** Having difficulty uploading the plans/drawings, they will be posted as soon as I am able.
SYNOPSIS
The U.S. Army Corps of Engineers (USACE) Portland District is soliciting a Contract for the Mt. St. Helens Sediment Retention Structure Crest Raise on the North Fork Toutle River in Cowlitz County, Washington. The proposed project will be a competitive, firm-fixed price (FFP) contract.
Description of Requirement: The U.S. Army Corps of Engineers, Portland District, has a requirement to construct an increased level of sediment retention structure providing additional storage and allowing existing river flows. The work includes mobilization/demobilization, river diversion, rock excavation, rock foundation preparation including placement of dental concrete, placement of roller-compacted concrete, outlet works sealing, and incidental related work. This effort is to include all associated works required and described within this Contract package.
Purpose: The project purpose is to construct an increased level of sediment retention structure providing additional storage and allowing existing river flows. The work includes mobilization/demobilization, river diversion, rock excavation, rock foundation preparation including placement of dental concrete, placement of roller-compacted concrete, outlet works sealing, and incidental related work. This effort is to include all associated works required and described within this Contract package.
The work will be located at the Sediment Retention Structure on the North Fork Toutle River in Cowlitz County, Washington, off of Highway 504. Contractor access to the work site will be from gravel access roads on the dam site, the gravel roadway on top of the embankment dam, the top of the concrete outlet works structure, and a paved roadway on the spillway approach pier west of the existing spillway crest.
Attachments
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Notice history
| Notice | Type | Posted |
|---|---|---|
| Mount Saint Helens - Sediment Retention Structure Crest Raise | Award Notice | |
| Mount saint helens sediment retention structure crest raise | Solicitation | |
| Mt. St. Helens Sediment Retention Structure Crest Raise | Pre-Solicitation |
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