This Government Contract opportunity from California was posted on September 29, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Site Earthwork, Trenching & Backfilling

Closed

State & Local

Submission Closed10/20/2026, 08:00:00 PM UTC

Contract Overview

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

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AI Contract Overview

This subcontract for Site Earthwork, Trenching and Backfilling involves providing site clearing, excavation, and trenching services for prime contractors on facility projects within the Ontario-Montclair School District in Montclair, California. The scope of work includes the installation of bedding and stockpiled fill in 8-inch lifts compacted to 90-95 percent, as well as the delivery of excavated trenches and compacted subgrade. The contractor is responsible for ensuring all shoring and bracing for trenches exceeding 5 feet comply with CA Labor Code 6705 and Title 8 CCR, and must coordinate all activities with the Underground Service Alert of Southern California. This opportunity was posted on September 29, 2026, with a response deadline of October 20, 2026.

General Info

Earthwork and trenching subcontract for Ontario-Montclair School District projects in Montclair, California.

Agency

California → Ontario-Montclair School District

NAICS

238910 - Site Preparation Contractors

Place of Performance

Montclair, CA, 91763, USA

Set-Aside

NONE

Documents

This scope was carved out of C-267-425.

The full solicitation package (4 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Lehigh Elementary School – Concrete Ramp Project

AI Contract Breakdown

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Timeline

PhaseClosed

PostedSep 29

subcontract

Response DeadlineOct 20

Deadline has passed

Submission Closed

10/20/2026, 08:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → Ontario-Montclair School District

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → Ontario-Montclair School District

Office AddressN/A

ContactsNo contact information available

Full Description

Performs site clearing, excavation, and trenching for prime contractors on Ontario-Montclair School District facility projects. Installs bedding fill and stockpiled fill in 8-inch lifts compacted to 90-95%. Performs shoring and bracing for trenches over 5 feet per CA Labor Code 6705 and Title 8 CCR. Coordinates with Underground Service Alert of Southern California. Delivers excavated trenches and compacted subgrade.