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

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Specialized Structural Engineering & Construction

Closed

Federal

Submission Closed09/14/2026, 04:00:00 PM CDT

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 includes specific opportunities for site work under NAICS 238910, tank painting under NAICS 238320, and electrical work under NAICS 238210. 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 the involvement of disadvantaged businesses in the construction process.

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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 various construction specialties, specifically targeting site work under NAICS 238910, tank painting under NAICS 238320, and electrical work under NAICS 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 November 13, 2026. Primary coordination for this opportunity is managed by Eric Koetter.

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Concrete and FoundationsThis subcontract opportunity involves the supply and installation of concrete for foundations, slabs, and structural elements for Chesapeake Public Schools facility projects. The selected contractor will be responsible for the complete delivery of the foundation and concrete structural system, including formwork, rebar installation, and the pouring and finishing of structural walls, footings, and slabs-on-grade. The project falls under NAICS code 238110 and is managed by the Purchasing agency in Virginia. Interested parties must submit their responses by the deadline of December 9, 2026.

POSTED

DEADLINE

Concrete Saw Cutting and PavingThis subcontract for the Wilkinson County School District involves concrete saw cutting and paving services for projects at Wilkinson County High School. The selected contractor will be responsible for the removal of existing concrete, backfilling and tamping earth, and pouring new four-inch thick concrete walkways that match existing specifications to ensure a fully restored walkway. The opportunity is categorized under NAICS code 238110 and was posted on November 9, 2026. Interested parties must submit their responses by the deadline of November 12, 2026.

Wilkinson County School District

POSTED

DEADLINE

Hydraulic Cement Installation and RepairThis subcontract for Hydraulic Cement Installation and Repair involves performing specialized concrete repair for prime contractors on Texas Department of Transportation maintenance projects located in Ellis County. The scope of work requires the application of rapid-setting hydraulic cement to seal leaks, fill voids, and patch concrete structures in strict accordance with TxDOT standard specifications. The selected provider will utilize concrete patching tools and highway safety equipment to deliver fully repaired and sealed sections of highway infrastructure. The opportunity is categorized under NAICS code 238110 and was posted on November 9, 2026. Interested parties must submit their responses by the deadline of December 3, 2026, at 4:00 PM. Further details regarding this procurement can be accessed through the Texas SmartBuy portal.

Texas Department of Transportation

POSTED

DEADLINE

General Specialty Trade ContractorThis subcontract opportunity for a General Specialty Trade Contractor involves performing minor structural and envelope work for prime contractors on Baltimore City Public Schools projects. The scope of work includes installing concrete bases for electrical equipment, executing rough carpentry, and providing roofing, thermal, and moisture protection through the use of concrete mix and roofing membranes. Key deliverables consist of installed concrete bases, wood framing, and various roof repairs. Interested parties must possess the necessary trade-specific licenses to perform the work. The solicitation was posted on November 9, 2026, with a response deadline of December 17, 2026, at 4:00 PM. This project falls under NAICS code 238110 and is managed through the state of Maryland.

POSTED

DEADLINE

Picnic Area Concrete & Paving RepairThis subcontract opportunity involves performing minor concrete and paving repairs for prime contractors on Texas Department of Transportation picnic area projects located in Terrell County, Texas. The scope of work includes patching cracked concrete, filling potholes in small parking areas, and repairing concrete pads beneath picnic tables. Contractors will be required to utilize concrete mixers and saws while ensuring all work strictly complies with TxDOT specifications for concrete and pavement repair to deliver high-quality repaired surfaces. The project is categorized under NAICS code 238110 and was posted on November 9, 2026. Interested parties must submit their responses by the deadline of December 8, 2026. Further details regarding this solicitation can be accessed through the Texas SmartBuy portal.

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POSTED

DEADLINE

Concrete Foundation InstallationThis subcontract for Concrete Foundation Installation involves providing specialized services for prime contractors working on infrastructure projects for the South Kesteven District Council. The scope of work includes the excavation and pouring of concrete foundations, utilizing formwork to support retaining structures and ensuring the delivery of completed foundations. The opportunity was posted on November 9, 2026, with a response deadline set for December 7, 2026. Classified under NAICS code 238110, this contract focuses on essential structural support and groundworks necessary for the council's infrastructure developments.

South Kesteven District Council

POSTED

DEADLINE

Concrete and CurbingThis subcontract opportunity involves the installation of concrete curbs, gutters, and sidewalks for prime contractors working on City of Boston BPDA projects. The scope of work includes the forming, pouring, and finishing of concrete curbs as well as the construction of ADA-compliant ramps to deliver essential concrete infrastructure within Boston. The solicitation was posted on November 9, 2026, with a response deadline of December 17, 2026. Classified under NAICS code 238110, the project is managed by the City of Boston in Massachusetts and will be performed in the 02201 zip code area.

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Foundation Excavation and Site WorkThis subcontract opportunity, titled Foundation Excavation and Site Work, involves performing excavation and foundation installation for prime contractors on US Air Force projects. The scope of work includes executing excavation for foundations as well as the removal and replacement of sidewalks required by foundation specifications, utilizing specialized equipment such as excavators, compactors, and concrete forms. The final deliverables consist of fully installed foundations and restored sidewalks. Managed by the Department of Defense under agency FA4600 55 Cons Pkp, this project is designated as a Total Small Business Set Aside under NAICS code 238110. Qualified applicants must hold a General Contractor or Specialty Trade license. The performance location is associated with zip code 68113, and the response deadline for this opportunity is November 15, 2026.

POSTED

DEADLINE

Concrete and MasonryThis subcontract opportunity with the Department of Defense, specifically the USACE Charleston District, involves the supply and installation of concrete foundations, slabs, and masonry walls for barracks projects. The scope of work includes pouring footings, constructing slab-on-grade, and building CMU walls to deliver completed structural elements for prime contractors. The project falls under NAICS code 238110 and was posted on November 9, 2026. Interested parties must submit their responses by the deadline of November 20, 2026, at 5:00 PM.

W074 Endist Charleston

POSTED

DEADLINE

LOADING DOCK CONCRETE REPAIRS

Solicitation # 36C24626Q1099_1

The Department of Veterans Affairs Network Contracting Office 6 is soliciting bids for a firm-fixed-price contract to perform concrete repairs on the loading dock structure at the Richmond VA Medical Center in Virginia. The project focuses on addressing safety concerns by demolishing failed concrete and damaged stair components, removing deteriorated reinforcement steel, and reconstructing the platform and stair system using 3500 PSI concrete. Key requirements include the installation of structural reinforcement with rebar and steel dowels, as well as the application of yellow safety tread markings and bumpers in accordance with VA Life Safety and Safety Office standards. All work must comply with OSHA 29 CFR 1926, VA Design Guides, and VA Master Specifications. This opportunity is a total set-aside for Service-Disabled Veteran-Owned Small Businesses (SDVOSB), with an estimated contract magnitude between $25,000 and $100,000. The period of performance is approximately 90 calendar days, with work expected to begin within 15 days of award. Performance and delivery are restricted to normal business hours, Monday through Friday. The government will evaluate offers based on technical capability, past performance, and price, requiring a detailed work plan and itemized cost breakdown. Additionally, the contract is subject to the Davis-Bacon Act, requiring adherence to prevailing wage rates for Henrico County, Virginia, and specific federal mandates regarding paid sick leave and minimum wage.

246-NETWORK Contracting Office 6 (36C246)

POSTED

1 day ago

DEADLINE

in 14 days

AI Contract Overview

This subcontract for Specialized Structural Engineering and Construction supports prime contractors on Non-Destructive Testing facility projects for the Department of Defense at W076 Endist Ft Worth. The work is located in Texarkana, Texas, and focuses on the design and installation of structural supports, reinforced flooring, and specialized framing. These components are engineered to manage non-standard weight distributions, vibration requirements, and unique structural loads specific to NDT equipment. The project falls under NAICS code 238110 and requires the delivery of structural frameworks and flooring that meet precise load capacities. The solicitation was posted on August 28, 2026, with a response deadline of September 14, 2026.

General Info

Structural engineering subcontract for DoD NDT facility projects in Texarkana, Texas.

Agency

Department Of Defense → W076 Endist Ft Worth

NAICS

238110 - Poured Concrete Foundation and Structure Contractors

Place of Performance

Texarkana, TX, 75507, USA

Set-Aside

NONE

Documents

This scope was carved out of W9126G-26-S-0101.

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

View the prime solicitation

RRAD Non-Destructive Testing Facility - OT Feasibility & Business Feedback

AI Contract Breakdown

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Timeline

PhaseClosed

PostedAug 28

subcontract

Response DeadlineSep 14

Deadline has passed

Submission Closed

09/14/2026, 04:00:00 PM CDT

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Organization & Contact Information

AgencyDepartment Of Defense → W076 Endist Ft Worth

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of Defense → W076 Endist Ft Worth

Office AddressN/A

ContactsNo contact information available

Full Description

Performs structural work for prime contractors on RRAD Non-Destructive Testing facility projects. Designs and installs structural supports, reinforced flooring, and specialized framing to handle unique structural loads associated with NDT equipment. Engineers for non-standard weight distributions and vibration requirements. Delivers structural framework and flooring meeting specified load capacities.