- Country: USA
- Summary: Mount Saint Helens Sediment Retention Structure Crest Raise
- UST Ref No: 123253778
- Deadline: 22 Sep 2025
- Financier: Self Financed
- Purchaser Ownership: Government
- Tender Value: Refer Document
- Notice Type: Tender
- Document Ref. No.: W9127N25BA007
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- Description:
- Description
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 constr... - Documents:
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CLICK HERE TO LOGINMount Saint Helens Sediment Retention Structure Crest Raise - USA Tender
The DEPT OF DEFENSE | DEPT OF THE ARMY, a Government sector organization in USA, has announced a new tender for Mount Saint Helens Sediment Retention Structure Crest Raise. This tender is published on USARFP under UST Ref No: 123253778 and is categorized as a Tender. Interested and eligible suppliers are invited to participate by reviewing the tender documents and submitting their bids before the deadline on 2025-09-22.
The estimated tender value is Refer Document, and full details, including technical specifications and submission requirements, are provided in the official tender documents. Ensure all submissions meet the criteria outlined to be considered for evaluation.
