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Site Preparation, Grading & Earthwork

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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 Site Preparation, Grading and Earthwork involves performing excavation and grading services for prime contractors on projects managed by Caltrans and Contra Costa County. The scope of work includes site preparation, general grading to ensure positive drainage toward storm drain inlets, and the installation of geogrid reinforcement for fill slopes along with RSP fabric and Rock Slope Protection. These operations will be executed using excavators and graders to deliver a fully graded site equipped with necessary erosion protection and slope reinforcement. The project is located in Orinda, California, within the 94563 zip code area. It falls under NAICS code 238910 and was posted on December 8, 2025. The contract is specifically designed to support infrastructure improvements within the jurisdiction of Contra Costa County and the state of California.

General Info

Subcontract for excavation, grading, and slope reinforcement in Orinda, California for Caltrans.

Agency

California → Contra Costa County

NAICS

238910 - Site Preparation Contractors

Place of Performance

Orinda, CA, 94563

Set-Aside

NONE

Documents

This scope was carved out of 0672-6U6265 CP# 23-19.

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

View the prime solicitation

San Pablo Dam Road Storm Drain and Pavement Repair Project

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Timeline

PostedDec 8

subcontract

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Organization & Contact Information

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AgencyCalifornia → Contra Costa County

ContactsNo contacts available

OfficeN/A

Organization / Agency

California → Contra Costa County

Office AddressN/A

ContactsNo contact information available

Full Description

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Performs excavation and grading for prime contractors on Caltrans and Contra Costa County projects. Executes site preparation, general grading for positive drainage toward storm drain inlets, and installation of Rock Slope Protection (RSP), RSP fabric, and geogrid reinforcement for fill slopes. Utilizes excavators and graders. Delivers a graded site with installed erosion protection and slope reinforcement.

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