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Material Supply: Ready-Mix Concrete (PCC)

Active

State & Local

Response Deadline09/28/2026, 11:00:00 PM UTC

Contract Overview

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

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This subcontract agreement involves the supply of Ready-Mix Portland Cement Concrete (PCC) for prime contractors working on street projects within the City of Diamond Bar, California. The selected provider is responsible for delivering specified PCC to job sites using ready-mix concrete trucks, specifically for the construction of curbs, gutters, and sidewalks. The supplier must provide all necessary approved PCC mix designs along with certifications for aggregate source, gradation, and durability. This opportunity is categorized under NAICS code 327320, with a response deadline of September 28, 2026.

General Info

Supply of Ready-Mix PCC for Diamond Bar street projects; deadline September 28, 2026.

Agency

California → City of Diamond BarView Agency

NAICS

327320 - Ready-Mix Concrete ManufacturingView NAICS

Place of Performance

Diamond Bar, CA, 91765, USA

Set-Aside

NONE

Documents

This scope was carved out of SI261.

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

View the prime solicitation

Arterial Street Rehabilitation (S. Brea Canyon Road From Pathfinder Road To Washington Avenue, Diamond Bar Boulevard From Sr-60 Off-Ramp To Northern City Limits, And S. Brea Canyon Road From Southern City Limits To Pathfinder Road)

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Timeline

PostedSep 15

subcontract

Response DeadlineSep 28

Submission deadline

Response Deadline

09/28/2026, 11:00:00 PM UTCin 13 days

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Organization & Contact Information

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AgencyCalifornia → City of Diamond Bar

ContactsNo contacts available

OfficeN/A

Organization / Agency

California → City of Diamond Bar

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Office AddressN/A

ContactsNo contact information available

Full Description

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Supplies Portland Cement Concrete (PCC) for prime contractors on City of Diamond Bar street projects. Delivers PCC for curbs, gutters, and sidewalks using ready-mix concrete trucks. Provides approved PCC Mix Designs and Aggregate Source, Gradation, and Durability certifications. Delivers specified PCC to the job site.

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Arterial Street Rehabilitation (S. Brea Canyon Road From Pathfinder Road To Washington Avenue, Diamond Bar Boulevard From Sr-60 Off-Ramp To Northern City Limits, And S. Brea Canyon Road From Southern City Limits To Pathfinder Road)

Solicitation # SI261

The City of Diamond Bar is soliciting bids for Project No. SI261, an arterial street rehabilitation effort covering S. Brea Canyon Road (from the southern city limits to Washington Avenue, including the Pathfinder Road segment) and Diamond Bar Boulevard (from the SR-60 off-ramp to the northern city limits). The scope of work includes asphalt concrete grind and overlay, aggregate base installation, a coring program, and the construction of ADA-compliant curb ramps, gutters, and sidewalks. Additional requirements involve utility valve and manhole adjustments, traffic striping, signage, and the installation of traffic loop detectors. The project is governed by the 2024 APWA Greenbook, 2025 Caltrans Standard Specifications and Plans, and the 2026 CA MUTCD. The contract will be awarded to the lowest responsible bidder based on the combined total of the Base Bid and Additive Bid, with engineer estimates of $4,658,844 and $1,892,371 respectively. Qualified bidders must hold a Class A or C-12 license, have been in business under the same name for at least five continuous years, and demonstrate experience with at least three public agency projects exceeding $2.5 million each within the last three years. The project must be completed within 60 working days following the Notice to Proceed. Bidders are required to provide a 10% bid bond, and the successful contractor must furnish 100% performance and labor and material bonds. Proposals are due by 4:00 PM on September 28, 2026, via the PlanetBids portal.

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