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Excavation and Backfill Subcontractor

Active

State & Local

Response Deadline11/18/2026, 07:00:00 PM UTC

Contract Overview

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

AI Contract Overview

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This subcontract agreement involves providing specialized excavation and backfill services for prime contractors working on municipal utility projects within the City of Ontario, California. The scope of work includes trenching, dewatering, and compaction in strict accordance with Standard Drawing No. 1306. The subcontractor is responsible for the supply and installation of cement-sand slurry backfill and AASHTO #67 crushed rock to ensure the stability and support of existing utilities, ultimately delivering stabilized trenches prepared for final pavement. The opportunity is categorized under NAICS code 238910 and was posted on October 19, 2026. Interested parties must submit their responses by the deadline of November 18, 2026. All performance of work will take place within the city of Ontario.

General Info

Subcontract for excavation and backfill services for municipal utility projects in Ontario, California.

Agency

California → City of Ontario

NAICS

238910 - Site Preparation Contractors

Place of Performance

Ontario, CA, USA

Set-Aside

NONE

Documents

This scope was carved out of UT1065.

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

View the prime solicitation

FY2026-27 Water Main Improvements

AI Contract Breakdown

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Timeline

PostedOct 19

subcontract

Response DeadlineNov 18

Submission deadline

Response Deadline

11/18/2026, 07:00:00 PM UTCin 28 days

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Organization & Contact Information

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AgencyCalifornia → City of Ontario

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → City of Ontario

Office AddressN/A

ContactsNo contact information available

Full Description

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Performs trenching and backfilling for prime contractors on City of Ontario municipal utility projects. Executes excavation, dewatering, and compaction per Standard Drawing No. 1306. Supplies and installs AASHTO #67 crushed rock and cement-sand slurry backfill to support existing utilities. Delivers compacted and stabilized trenches ready for pavement.

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