This Subcontract opportunity from California was posted on September 25, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Site Concrete Subcontractor

Closed

State & Local

Submission Closed10/16/2026, 03:00:00 PM PDT

Contract Overview

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

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NAICS: 238110

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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 covers several specialized scopes of work, including site work under NAICS 238910, tank painting under NAICS 238320, and electrical work under NAICS 238210. Interested parties must submit their responses by November 17, 2026. The project emphasizes Disadvantaged Business Enterprise participation, with target goals set at 3.5 percent for Minority Business Enterprises and 5.0 percent for Women Business Enterprises. Primary inquiries should be directed to Kendal Eckert.

POSTED

DEADLINE

Solicitation # 261123-hanska-mn

Caldwell Tanks, Inc. is seeking subcontracting partners for the construction of a water tank project located in Hanska, Minnesota. The solicitation targets specialized services across three primary areas: site work under NAICS 238910, tank painting under NAICS 238320, and electrical work under NAICS 238210. The overall project falls under the primary NAICS code 238110. This opportunity is designated as a set-aside for small businesses, specifically including SBA certified Women-Owned Small Businesses, HUBZone Small Businesses, and Department of Transportation Disadvantaged Business Enterprises. Interested parties must respond by November 20, 2026. As a covered federal contractor, Caldwell Tanks, Inc. maintains compliance with affirmative action requirements for protected veterans and individuals with disabilities. Primary coordination for this solicitation is managed by Kendal Eckert.

POSTED

DEADLINE

External Building Fabric and Facade Repair

POSTED

DEADLINE

Cast-in-Place Concrete Work

LONE STAR COLLEGE SYSTEM

POSTED

DEADLINE

Concrete Foundation and Site PreparationThis subcontract, titled Concrete Foundation and Site Preparation, involves the procurement, supply, and installation of a concrete pad for prime contractors supporting USAF projects at RAF Fairford in the United Kingdom. The scope of work includes conducting essential site verifications and infrastructure surveys to ensure the concrete pad is poured with the correct grade and alignment for the intended structures. The project requires strict adherence to UK regulations and established codes of practice to deliver a fully completed and leveled concrete pad. Managed by the Department of Defense under the FA5570 501 Csw Rco agency, the opportunity was posted on November 13, 2026, with a response deadline of December 13, 2026.

POSTED

DEADLINE

Irrigation Canal Concrete Lining Specialist

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DEADLINE

Structural Kiosk Foundations and Equipment Pads

W2SD Endist Baltimore

POSTED

DEADLINE

Cast-in-Place Concrete Footings and Walls InstallationThis subcontract for Cast-in-Place Concrete Footings and Walls Installation involves the construction of a complete concrete foundation for a 45ft x 56ft metal hoop structure on Town of Preston Public Works projects. The selected contractor is responsible for the entire process, including layout, formwork installation, concrete placement, consolidation, and finishing to deliver a fully cured foundation. Managed by DAS Procurement for the state of Connecticut, the project requires strict adherence to Connecticut prevailing wage laws. Interested parties must submit their responses by the deadline of December 8, 2026, at 4:00 PM.

POSTED

DEADLINE

Concrete & Masonry ConstructionThis subcontract for Concrete and Masonry Construction involves the construction of building shells and foundations for prime contractors on W2SD Endist Europe projects located in Maun, Botswana. The scope of work includes the installation of slab-on-grade foundations, reinforced concrete structures, masonry infill walls, and a one-meter concrete apron around the perimeter of the buildings to deliver a completed reinforced concrete and masonry shell. Managed under the Department of Defense, the project is categorized under NAICS code 238110. The solicitation was posted on November 13, 2026, with a response deadline set for November 23, 2026.

POSTED

DEADLINE

Stamped Concrete Seawall Installation

Ibc Acq Svcs Directorate (00004)

POSTED

DEADLINE

Irrigation Canal Lining Maintenance and Repair for

Solicitation # 140A1127R0016

The Department of the Interior, Western Region, is soliciting proposals for irrigation canal lining maintenance and repair for the Colorado River Indian Irrigation Project in or around Parker, Arizona. This requirement is 100% set-aside for Indian Small Business Economic Enterprises (ISBEE) and is estimated to have a contract value between $500,000 and $1,000,000. The selected contractor must provide all personnel, materials, and equipment to perform the work, with a required performance period of 365 calendar days from the Notice to Proceed, spanning from December 1, 2026, to November 30, 2027. Eligible offerors must have at least three years of experience in canal lining maintenance, demonstrated by three completed projects, and must maintain active registration in the System for Award Management (SAM). The contract will be awarded using the Lowest Price Technically Acceptable (LPTA) method. Proposals must be submitted in two volumes: a Price Proposal and a Technical Proposal. The technical evaluation focuses on seven factors, including the technical approach, project management, project schedule, and a project-specific Quality Control Plan. To be rated acceptable, the Quality Control Plan must include an inspection and test plan and a deficiency tracking process. Payments will be processed through the Invoice Processing Platform (IPP) upon approval by the Government COR. Additionally, the contractor must comply with the Davis-Bacon Act and provide necessary performance and payment bonds, as well as certificates of insurance for workers' compensation and general liability.

POSTED

DEADLINE

Preston Public Works Salt Shed Foundation

Solicitation # 39899

The Town of Preston is soliciting bids for a lump sum contract to provide all labor, materials, equipment, and supervision necessary to install a complete concrete foundation, including cast-in-place footings and walls, for a new 45ft x 56ft metal hoop structure used for road sand and salt storage. The project is located at the Department of Public Works at 389 Route 2, Preston, CT. The contractor is responsible for obtaining the required building permit from the Town and providing submittals for concrete, reinforcing steel, and leveling plates and anchor bolts. Performance begins upon receipt of a notice to proceed, with substantial completion required by April 15, 2027. Unexcused late completion is subject to liquidated damages of $250.00 per calendar day. The contract will be awarded to the lowest responsive and responsible bidder. Bidders must submit one original and one copy of their bid in a sealed envelope to the office of the First Selectman. Required documentation includes a lump sum price bid and completed Federal Certifications. Because the project is federally funded, the contractor must comply with the Clean Air Act, the Federal Water Pollution Control Act, and the Contract Work Hours and Safety Standards Act. Additionally, the contractor must adhere to Connecticut prevailing wage laws and provide 100% performance and payment bonds, as well as necessary insurance certificates. A one-year warranty period applies after substantial completion for the correction of any defective work at no additional cost to the Town.

DAS Procurement

POSTED

about 8 hours ago

DEADLINE

in 25 days

AI Contract Overview

This subcontract for the Los Angeles County Office of Education involves the installation of cast-in-place concrete for facility projects located in Downey, California. The selected subcontractor will be responsible for forming and placing concrete for various structural elements, including footings, retaining walls, steps, ramps, and walkways. Key technical requirements include the application of medium and heavy broom finishes and the installation of contraction, expansion, and isolation joints. All work must strictly adhere to Greenbook Section 201, maintaining a maximum water to cement ratio of 0.50. The contract is categorized under NAICS code 238110 and requires the delivery of completed structural elements and finished flatwork. The response deadline for this opportunity is October 16, 2026.

General Info

Concrete installation for LA County Office of Education projects in Downey by October 2026.

Agency

California → Los Angeles County Office of Education

NAICS

238110 - Poured Concrete Foundation and Structure Contractors

Place of Performance

Downey, CA, 90242, USA

Set-Aside

NONE

Documents

This scope was carved out of 1821-26/27.

The full solicitation package (25 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

EC-ECW Wellness Path Project

AI Contract Breakdown

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Timeline

PhaseClosed

PostedSep 25

subcontract

Response DeadlineOct 16

Deadline has passed

Submission Closed

10/16/2026, 03:00:00 PM PDT

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Organization & Contact Information

AgencyCalifornia → Los Angeles County Office of Education

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → Los Angeles County Office of Education

Office AddressN/A

ContactsNo contact information available

Full Description

Installs cast-in-place concrete for prime contractors on Los Angeles County Office of Education facility projects. Performs forming and placing for walkways, ramps, steps, retaining walls, and footings. Applies medium and heavy broom finishes and installs isolation, expansion, and contraction joints. Adheres to Greenbook Section 201 with a max water/cement ratio of 0.50. Delivers finished concrete flatwork and structural elements.

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