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Heavy Civil Earthwork & Habitat Construction

Active
State & Local

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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This subcontract for Heavy Civil Earthwork and Habitat Construction involves performing large-scale earthmoving and structural habitat creation for prime contractors on California Natural Resources Agency projects located at the Salton Sea. The scope of work includes the construction of berms, bird habitat islands, dredged channels, pond habitats, swales, and retention basins. The project requires the use of specialized dredging equipment, heavy graders, excavators, riprap, and geotextiles to deliver completed aquatic habitat structures. Classified under NAICS code 237990, the contract focuses on the technical execution of civil engineering tasks to support environmental restoration and habitat development.

General Info

Subcontract for earthwork and habitat construction for California Natural Resources Agency at Salton Sea.

Agency

California Natural Resources Agency

Place of Performance

CA

Set-Aside

NONE

Documents

This scope was carved out of 2010061062.

The full solicitation package (3 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Salton Sea Species Conservation Habitat Project

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Timeline

Posted

subcontract

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Organization & Contact Information

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AgencyCalifornia Natural Resources Agency
ContactsNo contacts available
OfficeN/A
Organization / Agency
California Natural Resources Agency
Office AddressN/A
ContactsNo contact information available

Full Description

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Performs large-scale earthmoving and structural habitat creation for prime contractors on California Natural Resources Agency projects at the Salton Sea. Constructs berms, habitat islands for birds, and dredged channels. Creates pond habitats and constructs swales, channels, and retention basins using dredging equipment, heavy graders, excavators, riprap, and geotextiles. Delivers completed aquatic habitat structures and berms.

Similar Contracts

Same NAICS industry code

NAICS: 237990
New
Federal
Construction Services for Confined Aquatic Disposal Cell Construction and Maintenance Dredging of the Providence River Federal Navigation Project, Providence, Rhode Island.
Solicitation # W912WJ27X1CUP
The U.S. Army Corps of Engineers, New England District, is seeking information from small and large businesses for a dredging project in Providence, Rhode Island, under NAICS code 237990. The project is estimated to cost between 80 million and 100 million dollars, with a solicitation expected around March 15, 2027. Construction is slated to begin in September 2027 and span approximately two years, divided into two dredging seasons ending August 31, 2029. The scope involves the mechanical dredging of approximately 5.5 million cubic yards of material using closed clamshell buckets. The work is divided into two primary sequences. First, the contractor must construct a new Confined Aquatic Disposal (CAD) cell at Edgewood Shoals North, which includes digging an access channel and excavating 3.2 million cubic yards of material for disposal at four designated sites. Second, the contractor will perform maintenance dredging of the Providence River and Harbor Federal Navigation Project to a depth of -40 feet MLLW plus two feet of allowable overdepth, removing approximately 2.3 million cubic yards of material to be placed in the newly constructed CAD cell. Strict operational requirements include maintaining a production rate of 300,000 cubic yards every 30 calendar days, working 24 hours a day, 7 days a week. All activities must adhere to prescribed environmental windows to protect aquatic wildlife, and extensions to these windows are not permitted. Interested firms must demonstrate experience with mechanical dredging at the required production rate and open water placement in New England during winter months. Capabilities packages are due by December 3, 2026.
W2SD Endist New England

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in about 1 month
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