This Government Contract opportunity from California was posted on July 13, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Aggregate Base Installation

Closed

State & Local

Submission Closed08/01/2026, 10:00:00 PM UTC

Contract Overview

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

Active Opportunities Like This One

NAICS: 237310

New

LACSD Surface Water PFAS Removal Project No. 251, CA

Solicitation # lacsd-surface-water-pfas-removal-project-no-251-ca

The contract entails the design and construction of PFAS treatment facilities at the Bernina and Cedar Glen Water Treatment Plants in California, encompassing comprehensive civil, structural, mechanical, electrical, instrumentation, and process system upgrades to remove per- and polyfluoroalkyl substances from surface water supplies. The project requires integrated engineering solutions to meet regulatory standards for drinking water safety, with scope covering all phases from site preparation to system commissioning, ensuring seamless integration with existing infrastructure. All work must comply with industry best practices and performance benchmarks for PFAS mitigation. Interested parties must submit responses by September 3, 2026, under solicitation number lacsd-surface-water-pfas-removal-project-no-251-ca, with the project designated for Disadvantaged Business Enterprise participation under Department of Transportation guidelines. The North American Industry Classification System code is 237310, reflecting wastewater and sewage system construction. The contracting entity is Pyramid Building & Engineering, Inc., and inquiries should be directed to John Garrison at estimating@pyramidbuilding.net or 760-949-9005. Performance is limited to California locations, with no specified city or zip details provided for the worksite.

Pyramid Building & Engineering, Inc.

POSTED

DEADLINE

3367 Secondary Treatment System Upgrades

Solicitation # 3367-secondary-treatment-system-upgrades

The Town of Windsor is initiating the Secondary Treatment System Upgrades Project through a solicitation issued by J.F. Shea Construction, Inc., aimed at enhancing existing wastewater treatment infrastructure located in Windsor, California. This effort is designated under NAICS code 237310 and is specifically set aside for small business participation, including Small Disadvantaged Businesses, Women-Owned Small Businesses, HUBZone Small Businesses, Veteran-Owned Small Businesses, and Service-Disabled Veteran-Owned Small Businesses, ensuring opportunities for historically underrepresented firms. The solicitation was posted on August 11, 2026, with a firm response deadline of September 3, 2026, and all bids must meet the technical and compliance requirements for municipal wastewater system upgrades. The project spans multiple construction and specialty trade activities related to treatment system modifications, including mechanical, electrical, and structural components necessary for improved operational efficiency and regulatory compliance. Point of contact for inquiries is Lori Olivas of J.F. Shea Construction, Inc., reachable via phone and email, with all submissions and documentation directed through the official SBA Opportunity website.

J.F. Shea Construction, Inc.

POSTED

DEADLINE

Transportation Infrastructure Construction Subcontract Opportunities

F&A-Contracts Administration and Materials Management

POSTED

DEADLINE

Building 1916-T2 Stormwater Drainage Repair and Parking Lot Asphalt Re-sealing ProjectThe project involves repairs to the stormwater drainage system and re-sealing of the asphalt parking lot at Building 1916-T2 under the oversight of the Department of Energy’s Office of Science. The work is classified under NAICS code 237310, indicating it falls within the water and wastewater line and sewer construction sector, with the primary focus on infrastructure maintenance and surface rehabilitation. The contract is listed as a forecast, suggesting it is a planned acquisition with no formal solicitation yet issued, and the place of performance and specific location details are not provided, though the agency is identified as the Department of Energy. There is no set-aside type indicated, meaning the contract is open to all eligible businesses without restriction based on size or ownership status. The point of contact for the procurement is Abbey Campbell and Chadsey Kittock, both serving as Small Business Program Managers, indicating the agency’s intent to engage with small businesses and provide support throughout the procurement process. Interested parties are directed to the provided UI link for additional information from the Office of Science’s Acquisition Forecast, which may include timelines, anticipated award dates, or further technical requirements. Although no solicitation number or specific delivery schedule is outlined, the posting date indicates this forecast was made available in mid-2026, and contractors should monitor for a forthcoming formal request for proposals or bidding opportunity.

POSTED

DEADLINE

Paving and Asphalt Work

Treasurer/Tax Collector - Public Administrator

POSTED

DEADLINE

Asphalt Paving and Site Paving

California Department of Corrections & Rehabilitation

POSTED

DEADLINE

Paving and Asphalt Surfacing

Public Works (01-43, 02-70, 02-78, 02-79, 02-80, 02-82, 02-83, 02-85, 02-93)

POSTED

DEADLINE

Paving and Asphalt Surfacing

Douglas County Board of Commissioners

POSTED

DEADLINE

Transportation and Economic Corridors - Request for Proposal - CON0025454 - BF78572-1 Major Bridge Replacement, Grading, Granular Base Course (GBC), Asphalt Concrete Pavement (ACP) and Other Work

Solicitation # AB-2026-05629

This solicitation is restricted exclusively to proponents pre-qualified under Alberta Transportation and Economic Corridors’ Major Bridges pre-qualification category; any submissions from non-pre-qualified entities will be rejected without review. The project involves the comprehensive replacement of the Major Bridge carrying Highway 1:21 over the South Saskatchewan River in Medicine Hat, along with associated grading, granular base course, asphalt concrete pavement, and other related work. Proponents are required to deliver full-service delivery including preliminary engineering, detailed design, contract tendering, contract administration, construction, fabrication supervision, post-construction review, and warranty inspections. Proposals must be submitted in two separate PDF files under 10 MB each: Part One detailing technical qualifications and Part Two containing the proposal fee. This is a Request for Proposal, not an Invitation to Tender, and Alberta Transportation and Economic Corridors retains the right to request clarifications, accept or reject proposals without negotiation, or negotiate modifications to either technical or financial components of the selected proposal. The solicitation number is AB-2026-05629, with a submission deadline of September 11, 2026, at 5:30 AM Mountain Time, and all submissions must be made through the designated Alberta Purchasing portal.

Transportation and Economic Corridors

POSTED

DEADLINE

Asphalt Paving and Surface Milling

Parks, Recreation, & Open Spaces

POSTED

DEADLINE

Roadway Paving and Asphalt Services

County of Monterey, Department of Public Works, Facilities and Parks

POSTED

DEADLINE

Paving and Asphalt Work

County of Kauai

POSTED

about 19 hours ago

DEADLINE

in about 1 month

AI Contract Overview

The contract titled Aggregate Base Installation involves the supply and placement of aggregate base material for use in road and pavement support applications, falling under NAICS code 237310 for Highway, Street, and Bridge Construction. It is categorized as a subcontract with a response deadline of August 1, 2026, and was posted on July 13, 2026. The work is to be performed under the jurisdiction of the Public Works agency in California, though specific city or zip details for the place of performance are not provided. The contract does not indicate a set-aside classification or an assigned point of contact, and the only available link for further information is the procurement portal URL. All work must meet the technical specifications required for durable and stable road bases, with the successful bidder responsible for delivery, placement, and compaction of the material in accordance with engineering standards for public infrastructure projects.