This Subcontract opportunity from Department Of Defense was posted on August 31, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Concrete & Structural Work

Closed

Federal

Submission Closed10/01/2026, 03:00:00 PM CDT

Contract Overview

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

Active Opportunities Like This One

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. 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. Interested parties must submit their responses by the deadline of November 17, 2026. The primary point of contact for this opportunity is Kendal Eckert. This solicitation is categorized under the Department of Transportation DBE set-aside guidelines to encourage diverse contractor involvement in the construction process.

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 several specialized scopes of work, including site work under NAICS 238910, tank painting under NAICS 238320, and electrical installations under NAICS 238210. This solicitation is specifically 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 managed by Eric Koetter.

POSTED

DEADLINE

Foundation Modification Services

POSTED

DEADLINE

CSM Building 5N Olympic Pool Replastering Project, College Of San Mateo

Solicitation # 87033

The San Mateo County Community College District is soliciting bids for the CSM Building 5N Olympic Pool Replastering Project in San Mateo, California. This project involves the removal and replacement of swimming pool finishes, 52 lights, main drains, and stainless steel gutter caps. Additional scope includes replacing portions of the pool deck, upgrading an outdoor shower for accessibility, installing detectable warnings, painting loading and non-loading zones, and relocating toilet paper dispensers. All work must comply with Division of State Architect approval and various regulatory standards, including the California Plumbing and Building Codes. The contract will be awarded to the Apparent Low Bidder based on the total amount of all bid items and alternates. Bidders must submit their proposals electronically via the PlanetBids portal by January 7, 2027. Required submission documents include a statement of bidder qualifications, a list of three similar recent projects, a surety letter confirming bondability, and various certifications regarding non-discrimination, prevailing wage compliance, and the Iran Contracting Act. The successful contractor will be required to provide a 10 percent bid security, as well as performance and payment bonds, and will operate under an Owner Controlled Insurance Program. Performance requires the submission of a preliminary baseline schedule within 14 calendar days of the Notice to Proceed, with no single activity exceeding a 21-day duration. Quality assurance involves inspections by the District and the Division of State Architect, with materials required to meet ASTM or ASHRAE standards. Payment will be made via progress payments within 30 days of receipt of undisputed applications in a format similar to AIA forms G702 and G703.

San Mateo County Community College District

POSTED

DEADLINE

Concrete Sidewalk RepairThis subcontract for Concrete Sidewalk Repair involves the removal of deteriorated concrete and the installation of new sidewalk sections for prime contractors working on Housing Authority of Birmingham District facility projects. The scope of work requires the use of professional concrete mixing and pouring equipment to deliver fully installed, ADA-compliant sidewalks. Qualified bidders must possess a valid State of Alabama contractor license and ensure strict adherence to all ADA accessibility standards. The solicitation was posted on November 4, 2026, with a response deadline of November 18, 2026.

POSTED

DEADLINE

Install Concrete Pad for Metal Storage Building at Fire Station #63

Solicitation # FIRE-0302

The City of Santa Cruz Fire Department has issued Invitation for Bids FIRE-0302 for the installation of a concrete pad and associated utilities to support a metal storage building at Fire Station 63. The project scope includes the demolition and removal of existing AC material, trenching for electrical and fire sprinkler lines, and the installation of a 35 by 42 by 4 inch concrete pad designed to support fire apparatus weighing approximately 55,000 lbs each. Additionally, the contractor is responsible for removing an existing storm drain inlet connection and installing a new bio-retention area. The project budget is capped at 200,000 dollars, with a mandatory pre-bid meeting scheduled for November 10, 2026, and a bid submittal deadline of November 19, 2026. The contract will be awarded to the lowest responsive and responsible bidder, with local business preferences of 2 percent for City of Santa Cruz businesses and an additional 4 percent for locally owned businesses. The anticipated initial term is six months, with the option for two six-month extensions. Requirements for the successful bidder include providing bid, performance, and payment bonds from California admitted sureties, paying prevailing wages, and maintaining registration with the California Department of Industrial Relations. All work must comply with CAL/OSHA safety standards, the 2022 California Green Building Standards Code, and approved structural calculations valid through the end of 2026.

POSTED

DEADLINE

Concrete Demolition and RepairThis subcontract for Concrete Demolition and Repair involves performing specialized concrete chipping and restoration services for prime contractors on projects managed by the Port of Corpus Christi Authority. The scope of work specifically requires chipping out concrete corners around an existing containment pan and executing necessary repairs around the removed edges to ensure structural integrity is fully restored. The project is categorized under NAICS code 238110 and requires all personnel to possess a TWIC card for site access. Interested parties must respond by November 19, 2026, to provide the required concrete preparation and repair deliverables.

Port of Corpus Christi Authority

POSTED

DEADLINE

Concrete Construction (Cast-in-Place)This subcontract for Concrete Construction (Cast-in-Place) involves the demolition and installation of reinforced concrete boat ramps for the McDuffie County Board of Commissioners in Georgia. The scope of work requires the selective demolition of 2,460 square feet of existing concrete, followed by the installation of formwork and the placement of 61 cubic yards of 3000 PSI concrete reinforced with number 4 rebar spaced 12 inches on center. The project is categorized under NAICS code 238110 and is intended for a subcontractor working under prime contractors. The solicitation was posted on November 4, 2026, with a response deadline set for December 4, 2026. The final deliverable is the completion of fully reinforced concrete boat ramps according to the specified technical requirements.

Mcduffie County Board of Commissioners

POSTED

DEADLINE

Concrete Drainage Swale ContractorThis subcontract opportunity is for a licensed Hawaii contractor to construct a concrete drainage system for prime contractors working on Department of Land and Natural Resources Division of State Parks projects. The scope of work involves grading a swale to manage runoff and installing a two-foot-wide concrete drainage swale adjacent to an existing rock wall. This installation is critical to prevent water discharge from impacting pedestrian areas or unstable slopes, requiring the use of professional concrete mixing, pouring equipment, and formwork. The project falls under NAICS code 238110 and requires the delivery of a fully completed concrete drainage swale. Interested parties must submit their responses by November 28, 2026, following the solicitation posted on November 4, 2026.

Department of Land & Natural Resources

POSTED

DEADLINE

Concrete & Masonry (Structural)This subcontract opportunity involves providing structural concrete and masonry services for Hawaii Department of Transportation facility projects. The selected contractor will be responsible for performing cast-in-place concrete work and constructing unit masonry assemblies, specifically focusing on the delivery of completed warehouse foundations and masonry walls for prime contractors. The project falls under NAICS code 238110 and was posted on November 4, 2026. Interested parties must submit their responses by the deadline of January 16, 2027. Further details regarding the solicitation can be accessed through the Hawaii Electronic Procurement System.

Department of Transportation

POSTED

DEADLINE

Structural ContractorThis subcontract opportunity is for a Structural Contractor to perform structural modifications for prime contractors involved in the renovation of Fairfax Water P&E Buildings. The selected contractor will be responsible for executing structural changes using reinforced concrete and structural steel in strict accordance with final design documents, local building codes, and the established Construction Quality Control Plan. The project is managed by Fairfax Water under NAICS code 238110. Interested parties must submit their responses by the deadline of November 25, 2026. The primary objective of the engagement is the successful delivery of all specified structural modifications to ensure the integrity and compliance of the renovated facilities.

POSTED

DEADLINE

Concessions Area Site Work and ConcreteThis subcontract, titled Concessions Area Site Work and Concrete, involves performing specialized concrete work and site improvements for prime contractors supporting beach restoration projects in Collier County. The scope of work focuses on enhancing beach accessibility and infrastructure through the construction of new ADA access ramps, the installation of Mobi mats for beach access, and the delivery and placement of concrete pads for new showers. Managed by the Facilities and Redevelopment agency in Florida under NAICS code 238110, the project was posted on November 4, 2026. Interested parties must submit their responses by the deadline of January 12, 2027.

Facilities & Redevelopment

POSTED

about 18 hours ago

DEADLINE

in 2 months

AI Contract Overview

This subcontract for Concrete and Structural Work involves the construction of equipment foundations and access structures for prime contractors on Army projects at the Fountain City Service Base. The scope of work includes the installation of a structural concrete equipment pad designed to meet specific operational weight and local wind and seismic loading requirements, as well as the installation of an OSHA-compliant access platform and ladder to facilitate filter change-outs. The project is issued by the Department of Defense through the W07V Endist St Paul agency and is designated as a Total Small Business Set Aside under NAICS code 238110. Performance will take place in zip code 54629, with a response deadline of October 1, 2026.

General Info

Concrete and structural work for Army equipment foundations and access platforms in 54629.

Agency

Department Of Defense → W07V Endist St Paul

NAICS

238110 - Poured Concrete Foundation and Structure Contractors

Place of Performance

MN, 54629

Set-Aside

SBA

Documents

This scope was carved out of W912ES26QA083.

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

View the prime solicitation

FCSB Welding Shop Dust Collector removal and replacement.

AI Contract Breakdown

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Timeline

PhaseClosed

PostedAug 31

subcontract

Response DeadlineOct 1

Deadline has passed

Submission Closed

10/01/2026, 03:00:00 PM CDT

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Organization & Contact Information

AgencyDepartment Of Defense → W07V Endist St Paul

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of Defense → W07V Endist St Paul

Office AddressN/A

ContactsNo contact information available

Full Description

Constructs equipment foundations and access structures for prime contractors on Army projects at the Fountain City Service Base. Installs a structural concrete equipment pad rated for operational weight and local wind/seismic loading. Installs an OSHA-compliant access platform and ladder for filter change-outs. Delivers the completed concrete pad and access platform.