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Watercourse Modification and Diversion Services

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 Watercourse Modification and Diversion Services involves performing modifications to Class I, II, and III watercourses for prime contractors on California Department of Fish and Wildlife projects located in Mendocino County. The scope of work includes modifying new and existing road crossings and implementing water diversion techniques to protect fish habitats using rip-rap armoring, cofferdams, diversion piping, and earthmoving equipment. The project requires strict compliance with Public Resources Code section 21108 and all applicable CDFW protections to ensure the successful delivery of modified crossings and water diversions. This effort falls under NAICS code 237990 and is managed under the California Department of Forestry and Fire Protection.

General Info

Subcontract for watercourse modification and diversion services for CDFW projects in Mendocino County.

Agency

California Forestry and Fire Protection, Department of

Place of Performance

CA

Set-Aside

NONE

Documents

This scope was carved out of Streambed Alteration Agreement No. EPIMS-MEN-60997-R1 for Timber Harvesting Plan (THP) 1-25-00049-MEN.

The full solicitation package (1 document), including the RFP, is on the prime solicitation, not on this scope.

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Timeline

Posted

subcontract

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Organization & Contact Information

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AgencyCalifornia Forestry and Fire Protection, Department of
ContactsNo contacts available
OfficeN/A
Organization / Agency
California Forestry and Fire Protection, Department of
Office AddressN/A
ContactsNo contact information available

Full Description

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Performs modifications to Class I, II, and III watercourses for prime contractors on CDFW projects in Mendocino County. Modifies existing and new road crossings and implements water diversion techniques to protect fish habitats. Utilizes earthmoving equipment, cofferdams, diversion piping, and rip-rap armoring. Complies with Public Resources Code §21108 and CDFW protections. Delivers modified crossings and successful water diversion.

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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 $80,000,000 and $100,000,000, with a solicitation expected around March 15, 2027. Construction is scheduled to begin in September 2027 and last approximately two years, spanning two dredging seasons from September 1, 2027, to August 31, 2029. The work is divided into two primary sequences: the construction of a new Confined Aquatic Disposal (CAD) cell at Edgewood Shoals North, including an access channel, and the subsequent maintenance dredging of the Providence River and Harbor Federal Navigation Project to a depth of -40 feet MLLW plus two feet of allowable overdepth. The total scope involves mechanically dredging approximately 5,500,000 cubic yards of material using closed clamshell buckets. Specifically, 3,200,000 cubic yards will be removed to create the CAD cell, with material placed at Port Edgewood Basin, Fox Point Reach CAD cells, Prudence Island, and the Rhode Island Sound Disposal Site. The remaining 2,300,000 cubic yards of maintenance material will be placed within the newly constructed Edgewood Shoals North CAD cell. To meet strict environmental windows and project timelines, the contractor must maintain a production rate of at least 300,000 cubic yards every 30 calendar days, operating 24 hours a day, 7 days a week. Interested firms must submit a capabilities package by November 26, 2026, demonstrating experience with these production rates and open water placement in New England during winter months.
W2SD Endist New England

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in about 1 month
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