This Subcontract opportunity from South Carolina was posted on September 23, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Concrete Construction (Flatwork & Structures)

Closed

State & Local

Submission Closed10/21/2026, 02:00:00 PM EDT

Contract Overview

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

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NAICS: 238110

New

26_1119 – Robbinsdale-MN

Solicitation # 261119-robbinsdale-mn

Caldwell Tanks, Inc. is seeking subcontractors for a water tank construction project located in Robbinsdale, Minnesota. The solicitation includes specific opportunities for site work, tank painting, and electrical services, corresponding to NAICS codes 238910, 238320, and 238210 respectively. Interested bidders must adhere to Disadvantaged Business Enterprise goals, with target participation rates set at 3.5 percent for Minority Business Enterprises and 5.0 percent for Women Business Enterprises. The response deadline for this solicitation is November 17, 2026, and inquiries should be directed to Kendal Eckert.

POSTED

DEADLINE

Elbon Tank #2, Schedule 2- Elevated Tank Project

Solicitation # elbon-tank-2-schedule-2-elevated-tank-project

Caldwell Tanks, Inc. is seeking subcontractors for the Elbon Tank #2, Schedule 2 Elevated Tank Project located in Phillip, South Dakota. The project involves specialized construction work categorized under several NAICS codes, specifically site work (238910), tank painting (238320), and electrical work (238210). This solicitation is designated as a set-aside for Small Businesses, including SAM.gov designated Small Disadvantaged Businesses and Department of Transportation Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 13, 2026. Primary coordination for this opportunity is handled by Eric Koetter.

POSTED

DEADLINE

Concrete and Reinforced Concrete WorksThis subcontract for Concrete and Reinforced Concrete Works involves the supply and installation of Plain Cement Concrete and Reinforced Cement Concrete for prime contractors supporting UNESCO projects in Afghanistan. The scope of work includes the pouring and finishing of concrete, the installation of reinforcement bars, and the placement of boulders for foundations and stabilization, all performed in accordance with technical specifications and engineering drawings. The primary objective is the delivery of completed concrete foundations and reinforced structural elements. This project falls under NAICS code 238110 and is managed by UNESCO, with all performance of work taking place within Afghanistan.

POSTED

DEADLINE

PV Mounting Structures and Civil WorksThis subcontract involves the supply and installation of metal support structures and concrete bases for hybrid off-grid solar projects managed by the UNHCR in Farchana, Chad. The scope of work includes the fabrication and installation of stainless steel mounting structures, as well as the casting of reinforced concrete bases or the execution of roof-fixing, to ensure a securely anchored system for PV modules. The contractor is responsible for ensuring that all structures are wind-resistant and meet all provided technical specifications. This project falls under NAICS code 238110 and is designed to support prime contractors in delivering critical energy infrastructure within the region.

POSTED

DEADLINE

Concrete and Masonry ContractorThis subcontract involves providing specialized concrete and masonry services for UNHCR facility projects located in Adré, Chad. The scope of work focuses on the execution of reinforced concrete and block work, specifically including the pouring of lean concrete for footings, the installation of reinforced concrete for isolated footings and ground beams, and the construction of sub-foundation walls utilizing 20x20x40 full concrete blocks. The contractor is responsible for delivering completed structural foundations and masonry walls in strict accordance with Chadian national standards and international building rules of art. Operating under NAICS code 238110, the selected provider will work as a subcontractor to prime contractors to ensure all structural elements meet the required technical specifications for the agency's facilities.

POSTED

DEADLINE

Foundation & Drilled Shaft ConstructionThis subcontract for Foundation and Drilled Shaft Construction involves providing specialized installation services for prime contractors operating on Central Florida Tourism Oversight District projects. The scope of work includes the complete process of drilling, installing steel reinforcement, and pouring concrete for signal foundations, ensuring all deliverables meet strict FDOT specifications. The project requires the use of professional drilling rigs and the delivery of fully completed and cured drilled shaft foundations. Interested parties should note that the response deadline for this opportunity is December 7, 2026.

Central Florida Tourism Oversight District

POSTED

DEADLINE

Concrete Barrier and Transition InstallationThis subcontract involves the installation of concrete barriers and transitions for prime contractors on Caltrans highway projects located in San Diego County. The scope of work includes the installation of 92-foot and 56-foot Type 60M concrete barriers, 12-inch concrete barrier transitions, and concrete ditch lining, all of which must comply with 2026 Standard Plans A76A and A76G. The contractor is responsible for delivering the fully completed and installed concrete barrier system. The project falls under NAICS code 238110 and requires strict adherence to Build America Buy America standards. Interested parties must submit their responses by November 23, 2026, for this California Department of Transportation initiative.

California Department of Transportation

POSTED

DEADLINE

Concrete Footing InstallationThis subcontract for Concrete Footing Installation involves supplying and placing concrete for prime contractors working on Chicago Public Schools facility projects. The scope of work specifically focuses on pouring concrete foundations for ornamental fence posts, ensuring that all footings meet specified depths and strengths while maintaining proper curing and alignment of the post bases. The project is categorized under NAICS code 238110 and was posted on November 6, 2026. Interested parties must submit their responses by the deadline of November 24, 2026. All deliverables must strictly adhere to the project specifications provided by the agency.

Chicago Public Schools

POSTED

DEADLINE

Concrete and Masonry RepairThis subcontract agreement involves providing concrete and masonry repair services for prime contractors working on Texas Health and Human Services Commission facility projects. The scope of work specifically includes filling holes in concrete floors and removing broken brick to fill voids with concrete to ensure the delivery of fully repaired surfaces. The project is categorized under NAICS code 238110 and requires all personnel to undergo Texas DPS criminal and sex offender background checks. Interested parties should note the response deadline of December 1, 2026, for this state-level agency requirement.

Health and Human Services Commission

POSTED

DEADLINE

Headwall Removal and Concrete ReplacementThis subcontract for the Hall County Board of Commissioners involves the demolition of existing concrete structures and the construction of new stormwater headwalls. The scope of work includes the removal of old headwalls, necessary excavation, and the forming and pouring of three new concrete headwalls, specifically two for 72-inch pipes and one for a 24-inch pipe. The contractor is responsible for providing all required excavators and concrete forming equipment to complete the installation. The project is categorized under NAICS code 238110 and was posted on November 6, 2026, with a response deadline of December 3, 2026. The selected subcontractor will work under prime contractors to deliver the completed headwall installations within Georgia.

Hall County Board of Commissioners

POSTED

DEADLINE

Concrete Repair & PavingThis subcontract, titled Concrete Repair and Paving, involves performing specialized concrete repairs and roadway pavement installation for prime contractors on US Army facility projects located in Greenville, Kentucky. The scope of work includes repairing concrete for dispenser and offload fueling islands, as well as the installation of concrete circulation pavement and splash blocks. All work must be executed in strict accordance with UFGS 03 30 00 and UFGS 32 13 13.06 standards. The project is managed by the Bristol Alliance of Companies through their Golden Colorado office and falls under NAICS code 238110. Interested parties should note that the response deadline for this opportunity is December 22, 2026.

Bristol Alliance of Companies

POSTED

DEADLINE

Oahe Res. Auxiliary Spillway Interim RepThe Bureau of Reclamation, under the Department of the Interior, has issued a forecast for a new contract dedicated to interim repairs of the Oahe Reservoir Auxiliary Spillway within the Missouri Basin. This project is categorized under NAICS code 238110, which pertains to concrete product manufacturing, indicating the technical nature of the required infrastructure work. The solicitation is currently in the forecast stage with a posted date of November 6, 2026. Jennalyn Kent serves as both the primary point of contact and the Small Business Specialist for this requirement. Further details regarding the procurement process and specific project requirements can be accessed through the Acquisition Gateway.

Bureau of Reclamation

POSTED

2 days ago

DEADLINE

N/A

AI Contract Overview

This subcontract for Concrete Construction (Flatwork and Structures) involves providing specialized concrete services for municipal improvement projects within the City of Walterboro, South Carolina. The scope of work includes the installation of concrete sidewalks, driveways, curbs, and structural elements, as well as the execution of formwork, reinforcement installation, and casting-in-place concrete. A primary focus of the contract is the delivery of finished concrete paving and the construction of ADA-compliant ramps and gutters featuring detectable warning surfaces. The opportunity is categorized under NAICS code 238110 and was posted on September 23, 2026. Interested parties must submit their responses by the deadline of October 21, 2026. This project requires the subcontractor to work alongside prime contractors to ensure all municipal infrastructure meets the necessary structural and accessibility standards.

General Info

Concrete construction subcontract for municipal improvements in Walterboro, SC, due October 21, 2026.

Agency

South Carolina → City Of Walterboro

NAICS

238110 - Poured Concrete Foundation and Structure Contractors

Place of Performance

SC, USA

Set-Aside

NONE

Documents

This scope was carved out of 805-92326.

The full solicitation package (6 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Landscape Maintenance Services

AI Contract Breakdown

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Timeline

PhaseClosed

PostedSep 23

subcontract

Response DeadlineOct 21

Deadline has passed

Submission Closed

10/21/2026, 02:00:00 PM EDT

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Organization & Contact Information

AgencySouth Carolina → City Of Walterboro

ContactsNo contacts available

OfficeN/A

Organization / AgencySouth Carolina → City Of Walterboro

Office AddressN/A

ContactsNo contact information available

Full Description

Installs concrete sidewalks, driveways, curbs, and structural concrete elements for prime contractors on City of Walterboro municipal improvement projects. Performs concrete formwork, reinforcement installation, and casting-in-place concrete for ADA ramps and gutters using reinforcement steel and ADA detectable warning surfaces. Delivers finished concrete paving and ADA-compliant ramps.

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