This Solicitation opportunity from Department Of Defense was posted on October 22, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.
MOUNT SAINT HELENS SEDIMENT RETENTION STRUCTURE CREST RAISE
Contract Overview
Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.
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The U.S. Army Corps of Engineers Portland District is preparing to issue a solicitation for a firm-fixed price contract to enhance the sediment retention structure on the North Fork Toutle River near Mount St. Helens in Cowlitz County, Washington. The project involves constructing an increased crest height to provide additional sediment storage capacity, facilitating better river flow management. Key activities include mobilization and demobilization, river diversion, rock excavation and foundation preparation with dental concrete, placement of roller-compacted concrete, sealing of outlet works, and related incidental work. The work site is accessible via gravel roads on the dam, the embankment dam top, and paved roads near the spillway, with an estimated project cost ranging from $25 million to $100 million. The contract is anticipated to be awarded through a competitive bidding process using FAR Part 14 procedures, with the solicitation expected to be released in July 2025 and proposals due approximately 60 days later. The project will be open to full and open competition, with no set-aside restrictions. A Project Labor Agreement will be required from the apparent low bidder within seven days of bid opening, ensuring labor standards and dispute resolution mechanisms are in place. Interested parties must register in the System for Award Management (SAM) prior to submitting bids. The government reserves the right to cancel the solicitation at any time, and responses to this pre-solicitation are not requested at this stage. For further details, inquiries can be directed to the designated points of contact via email.
General Info
Place of Performance
Toutle, WA, 98649, USASet-Aside
Timeline
Submission Closed
Organization & Contact Information
Full Description
***22-OCT-25*** Bid Abstract posted.
***15-OCT-25*** A DOCUMENT HAS BEEN ADDED TO THIS NOTICE, "Small Business Plan Template.docx". THIS IS NOT AN OFFICIAL OR REQUIRED TEMPLATE AND IS BEING PROVIDED FOR INFORMATION ONLY (FIO). OFFERORS ARE RESPONSIBLE FOR COMPLIANCE WITH 52.219-9 ALT II AS INCLUDED IN THIS SOLICITATION.
***16-SEP-25*** THE PURPOSE OF THIS AMENDMENT IS TO UPDATE THE CONSTRUCTION WAGE DETERMINATION WA20250123 DATED 09/12/2025. SEE SUMMARY OF CHANGES. ALL OTHER TERMS AND CONDITIONS REMAIN UNCHANGED.
***09-SEP-25*** THE PURPOSE OF THIS AMENDMENT IS TO PROVIDE UPDATED AND CORRECT CUT/FILL REPORT SPREADSHEET CALCULATIONS TITLED "MSH SRS SECONDARY SPILLWAY RAISE - REVISED CUT FILL REPORT AMENDMENT 0004" TO REPLACE THE FORMER A9 VOLUME CALCULATIONS.
***03-SEP-25*** Solicitation Amendment 0003: THE PURPOSE OF THIS AMENDMENT IS TO EXTEND THE BID SUBMISSION DUE DATE TO 11:00 A.M PST ON 22-OCT-2025.
***28-AUG-25*** Solicitation Amendment 0002: THE PURPOSE OF THIS AMENDMENT IS TO ADD THE FOLLOWING FOR INFORMATION ONLY (FIO) HISTORICAL DOCUMENTS WITH PICTURES AND DRAWINGS.
- FOUNDATION PREP AND TREATMENT 1991 FND REPORT
- SRS RAISE FOUNDATION CONDITION_15OCT2012
The purpose of this amendment is to add the following for information only (fio) historical documents with pictures and drawings.
- Foundation Prep and Treatment 1991 fnd Report
- SRS Raise Foundation Condition_15OCT2012
***25-AUG-25*** Amendment 0001 has an updated Wage Determination. Also FIO from 1991 and 2012 respectively.
***01-AUG-25*** Added Plans: Vol II are the For Information Only (FIO) sheets showing previous work done for the SRS, including investigation, RCC and valvehouse (to decommission). The Vol II sheets only have previous work or existing conditions.
***28-JUL-25*** Plans have been uploaded. We have Modeling files for this solicitation that cannot be uploaded, please email me contact@example.gov and I can send these through DoD Safe.
***24-JUL-25*** Having difficulty trying to upload the plans/drawings but we're working on it and they will be available as soon as we are able.
Description of Requirement: The project purpose is to 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
Project Background. The Sediment Retention Structure was constructed in the Late 80's to store the sediment coming off the avalanche area so that the sediment does not flow down to the low Cowlitz River. The main objective for the project is to keep the level of Protection on the levee systems from Castle Rock to Lexington. There has already been one crest raise in 2012 and this will be the second of three planned crest raises.
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.
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
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