This Subcontract opportunity from California was posted on October 9, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Aggregate Base Supply & Installation

Closed

State & Local

Submission Closed10/29/2026, 02:00:00 PM PDT

Contract Overview

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

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NAICS: 238990

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MAIN WASTEWATER TREATMENT PLANT SECONDARY REACTORS REHABILITATION,PHASE 2, SPECIFICATION SD-462

Solicitation # main-wastewater-treatment-plant-secondary-reactors-rehabilitationphase-2-specification-sd-462

J.F. Shea Construction, Inc. is seeking bids from subcontractors and suppliers for Phase 2 of the Main Wastewater Treatment Plant Secondary Reactors Rehabilitation project located in California. The scope of work is extensive, covering demolition, saw-cutting, concrete coring, hazardous materials handling, AC paving, ready-mix concrete, reinforcing steel, structural steel, miscellaneous metals, waterproofing, access and vault hatches, painting, coatings, equipment, and electrical services. This solicitation is specifically set aside for certified small businesses, including Service-Disabled Veteran Owned, Veteran Owned, Women-Owned, and Disadvantaged Business Enterprises. Interested parties must submit their responses by November 18, 2026. Primary coordination for this opportunity is managed by Lori Olivas.

J.F. Shea Construction, Inc.

POSTED

DEADLINE

PURIFIED WATER REPLENISHMENT SAN JACINTO VALLEY ADVANCED WATER PURIFICATION FACILITY SPECIFICATION NO. 1472W

Solicitation # purified-water-replenishment-san-jacinto-valley-advanced-water-purification-facility-specification-0

J.F. Shea Construction, Inc. is seeking bids from qualified DBE subcontractors and suppliers for the Purified Water Replenishment San Jacinto Valley Advanced Water Purification Facility project in San Jacinto, California. The project, owned by the Eastern Municipal Water District, involves a wide array of work items including AC paving, concrete, structural steel, HVAC, electrical, instrumentation, and various interior and exterior finishing trades. Bids are due by November 17, 2026, at 10:00 A.M. Interested parties can access plans and specifications via the District's PlanetBids portal or at the J.F. Shea Walnut office. Potential subcontractors are expected to be bondable, with J.F. Shea covering up to 1% of bond costs. All submissions must strictly adhere to the provided plans and specifications, particularly regarding warranty requirements, as standard manufacturer warranties that do not meet owner specifications will be rejected.

J.F. Shea Construction, Inc.

POSTED

DEADLINE

Vent and Louver Repair/ReplacementThis subcontract involves performing structural and cosmetic repairs to the building envelope for prime contractors working on facility projects for the Hawaii Department of Land and Natural Resources Division of Aquatic Resources. The scope of work specifically requires the repair or replacement of six existing wall vents located on the Northwest, Northeast, and Southwest walls, as well as the replacement of seven existing louvers with fixed, vented, weatherproof alternatives. The project falls under NAICS code 238990 and requires the final delivery of all repaired wall vents and the seven newly installed louvers. Interested parties should note that the solicitation was posted on November 12, 2026, with a response deadline set for December 9, 2026.

Department of Land & Natural Resources

POSTED

DEADLINE

Polycarbonate Siding ReplacementThis subcontract for the Hawaii Department of Land and Natural Resources involves the removal and replacement of siding at a Division of Aquatic Resources facility. The scope of work requires the removal of approximately 4,875 square feet of existing FRP siding from all sides, gables, and gable ends, followed by the installation of 4,875 square feet of Dynaglass SunTuf corrugated polycarbonate panels in a cream color with 30% light transmission. The project is categorized under NAICS code 238990 and is managed through prime contractors. Interested parties should note the posted date of November 12, 2026, with a response deadline set for December 9, 2026.

Department of Land & Natural Resources

POSTED

DEADLINE

Rollup Greenhouse Wall InstallationThis subcontract involves the installation of specialized rollup wall systems for the Hawaii Department of Land and Natural Resources Division of Aquatic Resources. The scope of work requires the removal of existing corrugated fiberglass reinforced plastic wall materials and the installation of an Agratech rollup wall system featuring Svensson Harmony Fire rated OBSCURA 10070 R FR W sheeting across a 180-foot section of the Northwest wall. The project is categorized under NAICS code 238990 and is intended for prime contractors managing the facility projects. Interested parties must submit their responses by the deadline of December 9, 2026, to complete the delivery and installation of the specified 180-foot wall system.

Department of Land & Natural Resources

POSTED

DEADLINE

Pavement Marking and SignageThis subcontract for Pavement Marking and Signage involves providing specialized roadwork services for prime contractors on City of Mount Vernon projects in Georgia. The scope of work focuses on the application of white and yellow thermoplastic solid traffic stripes and the installation of Type 14 signs featuring Type 9 and 11 reflective sheeting on galvanized steel posts. The opportunity was posted on November 12, 2026, with a response deadline of December 10, 2026. Classified under NAICS code 238990, the contract requires the successful delivery of all completed road markings and the professional installation of the specified highway signage.

POSTED

DEADLINE

Guardrail InstallationThis subcontract opportunity is for the supply and installation of roadway guardrails and anchorage for prime contractors working on City of Mount Vernon road projects in Georgia. The scope of work requires the delivery of a fully installed safety guardrail system, specifically utilizing Type W 31-inch guardrails and Type 12A guardrail anchorage in strict accordance with GDOT standards. The solicitation was posted on November 12, 2026, with a response deadline of December 10, 2026. Classified under NAICS code 238990, this project focuses on specialized infrastructure installation to ensure roadway safety within the city's jurisdiction.

POSTED

DEADLINE

Erosion and Sedimentation ControlThis subcontract for the City of Mount Vernon in Georgia focuses on the installation of temporary and permanent erosion and sedimentation control systems for road projects. The scope of work includes the placement of Type A and C silt fences, construction exits, check dams, and dumped stone rip rap, as well as the execution of temporary and permanent grassing to ensure full compliance with environmental standards. The opportunity is categorized under NAICS code 238990 and was posted on November 12, 2026. Interested parties must submit their responses by the deadline of December 10, 2026, at 4:00 PM.

POSTED

DEADLINE

Retail Space Build-Out and InstallationThis subcontract for Retail Space Build-Out and Installation is issued by the Illinois Office of Realty and Capital Planning. The project involves providing comprehensive interior improvements for prime contractors leasing retail space from the Illinois Department of Natural Resources. Key deliverables include the installation of retail fixtures, shelving, counters, and signage, as well as interior painting and the assembly of display areas and point-of-sale counters to create a fully functional retail environment. A critical requirement of the contract is that all installations must be reversible to ensure the premises can be returned to their original condition. The solicitation was posted on November 12, 2026, with a response deadline of December 9, 2026. The work falls under NAICS code 238990, focusing on specialized interior construction and installation services.

REALTYCAPPLAN422 - Office of Realty and Capital Planning

POSTED

DEADLINE

ADA Fishing Pier Installation and Site PrepThis subcontract for the Ohio Department of Natural Resources involves on-site installation and site preparation for an ADA fishing pier at Mosquito Lake State Park. The selected contractor will work under a prime contractor to remove existing structures and debris, transport dock components, and execute the anchoring and bolted or pinned connections for modular dock-to-dock and dock-to-gangway systems. The project requires the use of specialized marine installation equipment to ensure the delivery of a fully installed and anchored pier that adheres to ADA accessibility standards. Interested parties must submit their responses by December 10, 2026, under NAICS code 238990.

Dnr353411 Mosquito Lake State Park Dnrtru

POSTED

DEADLINE

Site Completion and Surface WorkThis subcontract, titled Site Completion and Surface Work, is issued by Gregg Drilling, LLC and is specifically set aside for Disadvantaged Business Enterprises under the Department of Transportation. The scope of work focuses on providing surface protection and access points for monitoring well projects, which includes the installation of 12-inch traffic-rated well boxes and the construction of well pads using either concrete or gravel. Additionally, the contractor is responsible for installing construction fencing and performing final site clean-up to deliver secured, completed well pads. The opportunity is categorized under NAICS code 238990 and was posted on November 12, 2026. Interested parties must submit their responses by the deadline of December 15, 2026. The project is associated with the City Morro Bay Recycled Water Facilities monitoring wells.

POSTED

DEADLINE

Waterproofing, Damp Proofing, and CaulkingThis subcontract involves providing specialized waterproofing, damp proofing, and caulking services for school facility projects within the Town of Longmeadow, Massachusetts. The selected contractor will work under prime contractors to apply industrial sealants and damp proofing membranes to building envelopes and joints, ensuring all work adheres to DCAMM standards to deliver fully sealed and waterproofed building interfaces. The project is located on Maple Road in Longmeadow, zip code 01106, and falls under NAICS code 238990. Interested parties must submit their responses by the deadline of January 14, 2027, at 4:00 PM.

Town of Longmeadow

POSTED

about 10 hours ago

DEADLINE

in 2 months

AI Contract Overview

This subcontract opportunity with the County of San Diego Department of Public Works involves the supply and installation of Class 2 aggregate base for infrastructure projects. The selected contractor will be responsible for delivering and placing aggregate base around piping to ensure proper structural support and protection, utilizing necessary delivery trucks and compaction equipment to complete the pipe encasement. Eligible bidders must possess a valid California Contractor License from the CSLB and maintain current DIR Registration. The project is located in San Diego, California, with responses due by October 29, 2026.

General Info

Supply and install Class 2 aggregate base for San Diego County infrastructure projects.

Agency

California → County of San Diego Department of Public Works

NAICS

238990 - All Other Specialty Trade Contractors

Place of Performance

San Diego, CA, 92123, USA

Set-Aside

NONE

Documents

This scope was carved out of RFB 13388.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Woodside Water Quality Basin Modifications And Trash Capture

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Timeline

PhaseClosed

PostedOct 9

subcontract

Response DeadlineOct 29

Deadline has passed

Submission Closed

10/29/2026, 02:00:00 PM PDT

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Organization & Contact Information

AgencyCalifornia → County of San Diego Department of Public Works

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → County of San Diego Department of Public Works

Office AddressN/A

ContactsNo contact information available

Full Description

Supplies and installs Class 2 aggregate base for prime contractors on County of San Diego infrastructure projects. Places aggregate base around piping to provide structural support and protection using compaction equipment and delivery trucks. Requires California Contractor License (CSLB) and DIR Registration. Delivers installed pipe encasement using Class 2 aggregate.

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