# Mount Saint Helens - Sediment Retention Structure Crest Raise

Canonical: https://abierto.us/opportunities/w9127n26ba004

- Solicitation number: W9127N26BA004
- Notice type: Award notice (first published as presolicitation)
- Status: Awarded to Anvil Builders Inc. for $35,919,823.00
- Department: Department of the Army
- Agency: Department of the Army
- Contracting office: W071 Endist Portland (W9127N)
- NAICS: 237990 Other Heavy and Civil Engineering Construction
- Product or service code: Y1QA Construction Of Restoration Of Real Property (Public Or Private)
- Place of performance: Toutle, Washington
- County: Cowlitz County (FIPS 53015). https://abierto.us/counties/cowlitz-county-wa-53015
- First posted: October 30, 2025
- Last posted: February 2, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/3f0d31738a2c422685d7708c09c2d09c/view

## Description

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.

## Award on USAspending

- Recipient: Anvil Builders Inc. (UEI HLVCFGH8MR76)
- Contract: W9127N26CA009, definitive contract
- Obligated: $100,000.00
- Competition: Full and Open Competition, 5 offers received
- Link: award number W9127N26CA009 equals the contract number; same awarding office W9127N (high confidence)
- Record: https://www.usaspending.gov/award/CONT_AWD_W9127N26CA009_9700_-NONE-_-NONE-/

- Recipient: Odin Environmental Solutions, LLC (UEI JWUAMU5R49D6)
- Contract: W9127N26CA011, definitive contract
- Obligated: $28,972,505.00
- Competition: Full and Open Competition, 5 offers received
- Link: solicitation number W9127N26BA004 equals the FPDS solicitation identifier; same awarding office W9127N (high confidence)
- Record: https://www.usaspending.gov/award/CONT_AWD_W9127N26CA011_9700_-NONE-_-NONE-/


## Publications

- October 30, 2025: Presolicitation, due November 13, 2025 at 8:00 PM EST. Notice ed6d4a189de342b888c69a3688f1b300. https://sam.gov/workspace/contract/opp/ed6d4a189de342b888c69a3688f1b300/view
- November 19, 2025: Solicitation, due December 19, 2025 at 2:00 PM EST. Notice 1d54a809c3114f159b75cd233bd84725. https://sam.gov/workspace/contract/opp/1d54a809c3114f159b75cd233bd84725/view
- November 19, 2025: Solicitation, due December 19, 2025 at 2:00 PM EST. Notice 53938d2759e1476a840571dae218a780. https://sam.gov/workspace/contract/opp/53938d2759e1476a840571dae218a780/view
- November 19, 2025: Solicitation, due December 19, 2025 at 2:00 PM EST. Notice 9bc351f891a4484f9400164b653e80b2. https://sam.gov/workspace/contract/opp/9bc351f891a4484f9400164b653e80b2/view
- November 20, 2025: Solicitation, due December 19, 2025 at 2:00 PM EST. Notice 3cab74b213d7404b84d79cb19b3b6c47. https://sam.gov/workspace/contract/opp/3cab74b213d7404b84d79cb19b3b6c47/view
- November 20, 2025: Solicitation, due December 19, 2025 at 2:00 PM EST. Notice 4c8b9d545d33461f9f3db7b33ab2b714. https://sam.gov/workspace/contract/opp/4c8b9d545d33461f9f3db7b33ab2b714/view
- November 20, 2025: Solicitation, due December 19, 2025 at 2:00 PM EST. Notice 51b42f2fbd754c0884811c996cfe9d64. https://sam.gov/workspace/contract/opp/51b42f2fbd754c0884811c996cfe9d64/view
- November 20, 2025: Solicitation, due December 19, 2025 at 2:00 PM EST. Notice 7a8eb186742443539122a4af3b77f5cd. https://sam.gov/workspace/contract/opp/7a8eb186742443539122a4af3b77f5cd/view
- November 20, 2025: Solicitation, due December 19, 2025 at 2:00 PM EST. Notice ba96ba1ac05545e4b1596fd50d640465. https://sam.gov/workspace/contract/opp/ba96ba1ac05545e4b1596fd50d640465/view
- November 20, 2025: Solicitation, due December 19, 2025 at 2:00 PM EST. Notice cea84a746a574bde8beaa191fce92151. https://sam.gov/workspace/contract/opp/cea84a746a574bde8beaa191fce92151/view
- November 20, 2025: Solicitation, due December 19, 2025 at 2:00 PM EST. Notice fab29e0b1c094b64ae18486f92a078b9. https://sam.gov/workspace/contract/opp/fab29e0b1c094b64ae18486f92a078b9/view
- December 5, 2025: Solicitation, due December 19, 2025 at 2:00 PM EST. Notice 3cf7d668960f47f8bee076283fa0ceef. https://sam.gov/workspace/contract/opp/3cf7d668960f47f8bee076283fa0ceef/view
- December 5, 2025: Solicitation, due December 19, 2025 at 2:00 PM EST. Notice 3e9925f4046d4c289b27117343e1a6c3. https://sam.gov/workspace/contract/opp/3e9925f4046d4c289b27117343e1a6c3/view
- December 5, 2025: Solicitation, due December 19, 2025 at 2:00 PM EST. Notice 63cfb4cd43c64ab587fbd5034bfcadc2. https://sam.gov/workspace/contract/opp/63cfb4cd43c64ab587fbd5034bfcadc2/view
- December 5, 2025: Solicitation, due December 19, 2025 at 2:00 PM EST. Notice e8302304576040f1976660a6c2cc9519. https://sam.gov/workspace/contract/opp/e8302304576040f1976660a6c2cc9519/view
- December 8, 2025: Solicitation, due December 19, 2025 at 2:00 PM EST. Notice 670c77a993304582ae4a7587eb19deae. https://sam.gov/workspace/contract/opp/670c77a993304582ae4a7587eb19deae/view
- December 12, 2025: Solicitation, due December 19, 2025 at 2:00 PM EST. Notice 33501166a6554d09b66456079a336c13. https://sam.gov/workspace/contract/opp/33501166a6554d09b66456079a336c13/view
- December 15, 2025: Solicitation, due December 19, 2025 at 2:00 PM EST. Notice 48d80eae4f36441f98316cfd0f2168f1. https://sam.gov/workspace/contract/opp/48d80eae4f36441f98316cfd0f2168f1/view
- December 19, 2025: Solicitation, due December 19, 2025 at 2:00 PM EST. Notice 50459d9630d04aaab3dcd43453f16327. https://sam.gov/workspace/contract/opp/50459d9630d04aaab3dcd43453f16327/view
- January 14, 2026: Award notice. Notice ca21bece8cc244f7b2299ac5e43cdc88. https://sam.gov/workspace/contract/opp/ca21bece8cc244f7b2299ac5e43cdc88/view
- February 2, 2026: Award notice. Notice 13ab235f9e4c4bfdb51f4be5fa9f34a9. https://sam.gov/workspace/contract/opp/13ab235f9e4c4bfdb51f4be5fa9f34a9/view
- February 2, 2026: Award notice. Notice 3f0d31738a2c422685d7708c09c2d09c. https://sam.gov/workspace/contract/opp/3f0d31738a2c422685d7708c09c2d09c/view

## Points of contact

- Andrew Sprys, andrew.j.sprys@usace.army.mil
- Nicole Adams, Nicole.A.Adams@usace.army.mil

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Source: SAM.gov Contract Opportunities bulk extract and USAspending.gov award data. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/w9127n26ba004.
