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Specialized Foundation Installation (Gravel Raft)

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 Santa Rosa City Schools involves the installation of a specialized stabilized gravel raft foundation designed to mitigate liquefaction risks for new building projects in Santa Rosa, California. The scope of work requires the installation of a gravel raft approximately 33 inches thick, utilizing NXST Geosynthetic and specific aggregate to ensure structural stability. The project is categorized under NAICS code 237990 and is intended for prime contractors managing the construction. The primary deliverable is the completed installation of the stabilized gravel raft foundation as specified in the project requirements.

General Info

Subcontract for installing a stabilized gravel raft foundation for Santa Rosa City Schools.

Agency

California → Santa Rosa City Schools

Place of Performance

Santa Rosa, CA, 95401

Set-Aside

NONE

Documents

This scope was carved out of New District Office and Education Center Project.

The full solicitation package (5 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

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Timeline

Posted

subcontract

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Organization & Contact Information

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AgencyCalifornia → Santa Rosa City Schools
ContactsNo contacts available
OfficeN/A
Organization / Agency
California → Santa Rosa City Schools
Office AddressN/A
ContactsNo contact information available

Full Description

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Installs a stabilized gravel raft foundation to mitigate liquefaction risks for prime contractors on Santa Rosa City Schools projects. Installs an approximately 33-inch-thick gravel raft foundation below the proposed new building using NXST Geosynthetic and specific aggregate. Delivers the installed stabilized gravel raft foundation.

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 $80,000,000 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

POSTED

about 3 hours ago

DEADLINE

in about 1 month
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