Mount saint helens sediment retention structure crest raise
Active Definitive Contract Awarded Last action
- Contract number
- W9127N26CA011
- Awardee
-
Odin Environmental Solutions, LLC UEI JWUAMU5R49D6
- Awarding agency
-
ENDIST Portland
US Army Corps of Engineers, Department of Defense
- Obligated
- $28,972,505
Award facts
- Opportunity
-
- Mt. St. Helens Sediment Retention Structure Crest Raise Pre-Solicitation · W9127N26BA004 · Posted Oct 30, 2025
- Contract value 95% obligated
- $30,491,972.14 Current and potential, with all options
- Completion date 32% complete
-
- Current, with exercised options
- Potential, with all options
- NAICS code
- 237990 Other Heavy and Civil Engineering Construction
- Set-aside
- No set-aside
- Competition
- Full and Open Competition · 5 offers Sealed Bid
- Pricing
- Firm Fixed Price
- Place of performance
- Toutle, WA, USA
- Legislative mandates
-
- Davis-Bacon Act FAR subpart 22.4
- Employment Eligibility Verification (E-Verify) FAR subpart 22.18
Award details come from SAM.gov/FPDS.
Transactions
| Action | Obligated | Date |
|---|---|---|
| Other Administrative Action | $0 | |
| Supplemental Agreement for work within scope | $0 | |
| Other Administrative Action | $0 | |
| Supplemental Agreement for work within scope | $0 | |
| Original award | $28,972,505 |
About this award
The U.S. Army Corps of Engineers, Portland District, awarded a $28.97 million firm fixed-price definitive contract to Odin Environmental Solutions, LLC for construction of the Mount Saint Helens Sediment Retention Structure crest raise on January 30, 2026, with ultimate completion by May 25, 2028.
Work is performed in Toutle, Washington. The project scope encompasses mobilization and demobilization, river diversion, rock excavation, foundation preparation with dental concrete placement, roller-compacted concrete installation, outlet works sealing, and incidental construction to increase sediment retention capacity while maintaining existing river flows. Contractor access utilizes gravel roads on the dam site, the embankment top, the concrete outlet works structure, and paved spillway approach areas.
The contract carries no set-aside designation and operates under NAICS 237990 (Other Heavy and Civil Engineering Construction) and PSC Y1QA (Construction and Restoration of Real Property). This award follows a pre-solicitation notice posted October 30, 2025, with a November 13, 2025 response deadline. The estimated project cost range in the solicitation was $25 million to $100 million.
Quick answers
Who was awarded contract W9127N26CA011?
W9127N26CA011 was awarded to Odin Environmental Solutions, LLC by ENDIST Portland (US Army Corps of Engineers) on January 30, 2026.
How much is contract W9127N26CA011 worth?
The government has obligated $28,972,505 on W9127N26CA011. Its current value, with exercised options, is $30,491,972.
Was contract W9127N26CA011 competed?
The extent of competition for W9127N26CA011 was full and open competition. The government received 5 offers.
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