This Subcontract opportunity from California was posted on July 28, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Concrete Formwork and Shoring Supply/Installation

Closed

State & Local

Submission Closed08/20/2026, 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.

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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

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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.

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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.

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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.

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Concrete Floor Repair and CoatingThis subcontract for Concrete Floor Repair and Coating involves the repair and repainting of concrete floor surfaces at the Imperial War Museums facility in Duxford. The selected contractor will be responsible for applying industrial-grade paint and sealants to existing floors within a Grade II* listed historical building. Due to the nature of the site, the project requires specific expertise in heritage conservation guidelines and the careful handling of historical fabric. The opportunity is categorized under NAICS code 238110 and is managed by the Imperial War Museums. Interested parties must submit their responses by the deadline of December 2, 2026. The primary objective of the contract is the successful delivery of fully repaired and coated concrete flooring that meets the stringent requirements of a protected historical environment.

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Concrete ContractorThis subcontract opportunity is for a Concrete Contractor to perform the installation of reinforced concrete foundations for prime contractors on projects managed by the Colorado Department of Natural Resources Division of Parks and Wildlife. The scope of work includes forming, placing rebar, and pouring concrete using pumps and trucks, with a strict requirement to comply with ASTM standards for all concrete and reinforcement materials to deliver a completed foundation. The solicitation was posted on November 13, 2026, with a response deadline of November 19, 2026. Classified under NAICS code 238110, this project focuses on specialized concrete work for state facility projects within Colorado.

DNR - Division Of Parks & Wildlife

POSTED

DEADLINE

Concrete Roof Fill and Screed RepairThis subcontract opportunity involves performing specialized concrete repair and screed work for prime contractors at the Jacobi Medical Center under NYC Health + Hospitals. The scope of work focuses on repairing concrete roof fill and installing screed using concrete mix and patching compounds to guarantee proper slope and drainage for the facility. The project is categorized under NAICS code 238110 and was posted on November 13, 2026. Interested parties must submit their responses by the deadline of January 7, 2027, at 4:00 PM.

Nyc Health + Hospitals

POSTED

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Concrete and Hydraulic UnderlaymentThis subcontract involves the supply and installation of hydraulic cement underlayment and cast-in-place concrete components for prime contractors working on New York City Health and Hospitals Corporation projects. The scope of work includes installing underlayment according to specification 03 54 16, coordinating the placement of sleeves and inserts within poured concrete, and delivering completed concrete slabs and underlayment. The opportunity is categorized under NAICS code 238110 and was posted on November 13, 2026. Interested parties must submit their responses by the deadline of January 7, 2027, at 4:00 PM.

Nyc Health + Hospitals

POSTED

DEADLINE

Concrete and Permeable PavingThis subcontract for Concrete and Permeable Paving involves providing specialized installation services for City of Manhattan Beach public works projects. The scope of work includes the installation of reinforced PCC foundations and permeable concrete, specifically focusing on equipment foundations, the reconstruction of two ADA parking stalls, the replacement of concrete walkways, and the construction of variable height concrete curbs. The project is categorized under NAICS code 238110 and is managed through the Public Works agency in California. Interested parties must adhere to the response deadline of December 10, 2026, to provide the required deliverables, which include the completed foundations, ADA-compliant stalls, and walkways.

POSTED

DEADLINE

Masonry & FinishingThis subcontract focuses on masonry and finishing services for UNHCR office projects located in Maroua, Cameroon. The scope of work involves the construction of sub-base masonry utilizing 20x20x40 solid blocks, as well as the execution of both interior and exterior wall masonry. The contractor is responsible for the final delivery of completed walls and painted surfaces. Finishing requirements include the application of two coats of acrylic paint on ceilings and the application of anti-rust varnish on all exterior walls.

UNHCR

POSTED

about 18 hours ago

DEADLINE

N/A

AI Contract Overview

The contract entails the design, supply, and installation of formwork systems for cast-in-place concrete elements, encompassing shores, reshores, and edge forms, to support construction activities at a site in Truckee, California, with a zip code of 96161. The work is classified under NAICS code 238110, indicating it falls within the foundation, structure, and building exterior contractors category, and is structured as a subcontract opportunity. The solicitation was posted on July 28, 2026, with a firm deadline for responses on August 20, 2026, at 10:00 PM Pacific Time. The contracting entity is the Truckee Donner Public Utility District in California, and all performance activities must be carried out at the specified location in Truckee. Participants must comply with all technical, safety, and scheduling requirements associated with formwork systems for concrete construction, ensuring proper load-bearing capabilities and structural stability throughout the curing process. Access to detailed project specifications is available via the provided online portal.