This Subcontract opportunity from California was posted on September 18, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Specialized Concrete Cleaning Services

Closed

State & Local

Submission Closed10/22/2026, 10:00:00 AM PDT

Contract Overview

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

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NAICS: 238990

New

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 sub-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, under Specification No. 1472W for 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 must bid according to the provided plans and specifications, which are available via the District's PlanetBids portal. Potential subcontractors are expected to be bondable, with J.F. Shea offering to cover up to 1% of subcontractor bond costs. All submissions must adhere to the owner's warranty requirements, as standard manufacturer warranties that do not conform to these specifications will be rejected. Contact for this solicitation is Lori Olivas.

J.F. Shea Construction, Inc.

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Joint Sealant InstallationThis subcontract for Joint Sealant Installation involves providing supplies and installation services for expansion joint fillers and sealants on City of Rome parking structure projects. The scope of work requires the contractor to clean existing joints, install backer rods, and apply industrial-grade elastomeric sealants using professional caulking equipment and specialized cleaning tools to deliver fully sealed expansion joints for prime contractors. The opportunity is categorized under NAICS code 238990 and is associated with the City of Rome in Georgia. Interested parties must submit their responses by the deadline of December 10, 2026, following the posting date of November 5, 2026.

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Waterproofing and Traffic CoatingThis subcontract for the City of Rome in Georgia involves the supply and installation of waterproofing membranes and traffic-bearing coatings for parking structure projects. The scope of work includes comprehensive surface preparation through grinding or shot blasting, the application of primers, and the installation of epoxy or polyurethane wear-course coatings. Using industrial floor grinders and airless sprayers, the contractor is responsible for delivering a fully sealed and waterproofed parking deck surface. The opportunity was posted on November 5, 2026, with a response deadline of December 10, 2026. Classified under NAICS code 238990, this project requires a specialized subcontractor to work under prime contractors to ensure the structural integrity and durability of the city's parking facilities.

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Building Pad Lime TreatmentThis subcontract for Building Pad Lime Treatment involves the chemical stabilization of building pads for prime contractors working on public safety projects for the City of Mountain View in California. The scope of work requires the application of lime treatment at a 3% rate to a mixing depth of 6 inches, with compaction to a minimum of 95% maximum dry density in accordance with ASTM C977 standards to deliver a fully stabilized building pad. The opportunity was posted on November 5, 2026, with a response deadline of December 10, 2026. The project falls under NAICS code 238990 and will be performed within Mountain View, zip code 94041.

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Subsurface Utility Engineering and Vacuum ExcavationThis subcontract involves providing subsurface utility engineering and vacuum excavation services for prime contractors working on Gwinnett County Government transportation projects. The selected provider will be responsible for conducting field investigations and potholing to verify the material and depth of utilities using electromagnetic locators and ground penetrating radar. All work must be performed by SUE certified or qualified personnel, with final deliverables consisting of detailed utility location maps and verification reports. The opportunity is categorized under NAICS code 238990 and was posted on November 5, 2026. Interested parties must submit their responses by the deadline of December 15, 2026. The project supports infrastructure efforts within the state of Georgia under the direction of the Gwinnett County Government.

Gwinnett County Government

POSTED

about 9 hours ago

DEADLINE

in about 1 month

AI Contract Overview

This subcontract for Specialized Concrete Cleaning Services involves performing high-pressure cleaning of fountain slabs and concrete structures for prime contractors on City of San Ramon projects. The scope of work includes using industrial power washers to brush or spray concrete surfaces to remove sediment, dust, and corrosion, ensuring all deliverables are free of debris while adhering to commercial cleaning safety protocols. The opportunity is associated with NAICS code 238990 and is located in San Ramon, California, 94583. Interested parties must submit their responses by the deadline of October 22, 2026, following the posting date of September 18, 2026.

General Info

Concrete cleaning subcontract for San Ramon projects; responses due by October 22, 2026.

Agency

California → San Ramon City

NAICS

238990 - All Other Specialty Trade Contractors

Place of Performance

San Ramon, CA, 94583, USA

Set-Aside

NONE

Documents

This scope was carved out of 20260917037.

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

View the prime solicitation

Fountain Maintenance & Equipment Repair Services

AI Contract Breakdown

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Timeline

PhaseClosed

PostedSep 18

subcontract

Response DeadlineOct 22

Deadline has passed

Submission Closed

10/22/2026, 10:00:00 AM PDT

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Organization & Contact Information

AgencyCalifornia → San Ramon City

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → San Ramon City

Office AddressN/A

ContactsNo contact information available

Full Description

Performs high-pressure cleaning of fountain slabs and concrete structures for prime contractors on City of San Ramon fountain projects. Brushes or high-pressure sprays concrete surfaces to remove corrosion, dust, and sediment using industrial power washers. Adheres to commercial cleaning safety protocols. Delivers cleaned concrete surfaces free of corrosion and sediment.

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