Skip to main contentPsst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveFree Webinar — Wednesday, November 11 at 2:00 PM ET

Register Free →
CLEATUS
Get CLEATUS

This Subcontract opportunity from California was posted on August 3, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Retaining Wall Construction

Closed
State & Local

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. 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.
Caldwell Tanks, Inc.

POSTED

about 4 hours ago

DEADLINE

in 8 days
NAICS: 238110
New
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.
Caldwell Tanks, Inc.

POSTED

about 4 hours ago

DEADLINE

in 4 days
NAICS: 238110
New
International
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.
UNESCO

POSTED

1 day ago

DEADLINE

N/A
NAICS: 238110
New
International
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.
UNHCR

POSTED

2 days ago

DEADLINE

N/A
NAICS: 238110
New
International
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.
UNHCR

POSTED

2 days ago

DEADLINE

N/A
NAICS: 238110
New
SLED
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

2 days ago

DEADLINE

in 29 days
NAICS: 238110
New
SLED
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

2 days ago

DEADLINE

in 15 days
NAICS: 238110
New
SLED
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

2 days ago

DEADLINE

in 16 days
NAICS: 238110
New
SLED
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

2 days ago

DEADLINE

in 23 days
NAICS: 238110
New
SLED
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

2 days ago

DEADLINE

in 25 days
NAICS: 238110
New
SLED
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

2 days ago

DEADLINE

in about 1 month
NAICS: 238110
New
Federal
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

Show more

This subcontract for Retaining Wall Construction involves providing specialized services for prime contractors on VTA US 101 Express Lanes projects. The scope of work includes excavation, reinforcement, and the pouring of concrete or the installation of modular wall systems to support widened freeway sections, utilizing concrete, steel reinforcement, and shoring equipment. The final deliverable consists of installed and certified retaining walls. Eligible bidders must possess a valid California Contractor's License and DIR registration. The opportunity is managed by the Engineering and Program Delivery agency in California under NAICS code 238110. The solicitation was posted on August 3, 2026, with a response deadline of September 30, 2026.

General Info

Subcontract for VTA US 101 retaining wall construction; deadline September 30, 2026.

Agency

California → Engineering and Program Delivery

NAICS

238110 - Poured Concrete Foundation and Structure Contractors

Place of Performance

CA, USA

Set-Aside

NONE

Documents

This scope was carved out of C26031F.

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

View the prime solicitation

Pre-Qualification: US 101 Express Lanes Phase 5

AI Contract Breakdown

Uniform Contract Format

No documents to break down

The breakdown needs solicitation documents. None were found from this contract's source.

Timeline

PhaseClosed
Posted

subcontract

Response Deadline

Deadline has passed

Submission Closed

Find active opportunities like this

Get full access to discover similar active contracts, track opportunities, and build proposals with AI assistance.

Organization & Contact Information

Show more
AgencyCalifornia → Engineering and Program Delivery
ContactsNo contacts available
OfficeN/A
Organization / AgencyCalifornia → Engineering and Program Delivery
Office AddressN/A
ContactsNo contact information available

Full Description

Show more
Constructs retaining walls for prime contractors on VTA US 101 Express Lanes projects. Performs excavation, reinforcement, and pouring of concrete or installation of modular wall systems to support widened freeway sections. Uses concrete, steel reinforcement, and shoring equipment. Requires a valid California Contractor's License and DIR registration. Delivers installed and certified retaining walls.

More opportunities from California → Engineering and Program Delivery

Same awarding agency

NAICS: 236220
New
SLED
Pre-Qualification: Guadalupe Division - Guard House
Solicitation # C26146F Pre-Qual
The Santa Clara Valley Transportation Authority is soliciting pre-qualifications for Contract C26146F, the Guadalupe Division Guard House project. This effort is a mandatory preliminary step to establish a list of qualified bidders for a subsequent Invitation for Bids. The project involves the installation of a pre-fabricated guard house at the Younger Avenue entrance, including a base bid for road expansion, a concrete slab, electrical and data utilities, guard gates, bollards, CCTV, exterior lighting, and accessible walkways. An optional component includes the procurement and installation of the guard house itself along with water and sewer connections. The estimated contract value ranges from 591,000 dollars for the base bid to 1.85 million dollars including Option 1, with an estimated construction duration of 267 calendar days. To be eligible, bidders must hold a California contractor's license with classifications Class B, C-10, C-7, and C-36, though specialty requirements may be met through licensed subcontractors. The pre-qualification process requires the submission of a completed questionnaire, a Statement of Qualification Certification Form, audited financial statements, and notarized bonding information. Evaluation is based on a pass/fail assessment of essential requirements and a scoring system for project experience and interviews, where a minimum score of 55 is required to avoid disqualification. Because the project is federally funded, all materials must comply with Buy America provisions. The response deadline for pre-qualification is November 30, 2026, with the final bid opening anticipated for January 2027.
Commercial and Institutional Building Construction

POSTED

2 days ago

DEADLINE

in 22 days
View Details
NAICS: 811192
New
SLED
Pre-Qualification: Guadalupe Light Rail Vehicle Wash Improvements
Solicitation # C25134F
The Santa Clara Valley Transportation Authority is soliciting pre-qualifications for Contract C25134F, the Guadalupe Light Rail Vehicle Wash Improvements project. This project involves the removal and replacement of the existing Light Rail Vehicle wash system at Building F of the Guadalupe Division with a new hybrid drive-through and gantry wash system. The scope of work is comprehensive, encompassing civil and trackwork, electrical installations, plumbing, structural work for a new prefabricated canopy, and the installation of industrial equipment including a water reclamation and filtration system. The estimated construction cost for the project is between 4.5 million and 5.5 million dollars. To be eligible for the subsequent Invitation for Bid, bidders must be approved through this pre-qualification process by submitting a completed qualification questionnaire and a Statement of Qualifications. Key eligibility requirements include possessing a California contractor's license with at least 10 years of experience as a Class A or B general contractor. Evaluation is based on essential requirements, organizational performance scoring, and project experience interviews. Bidders must also provide proof of bonding capacity, maintain specific liability and workers compensation insurance, and ensure all entities and subcontractors are registered with the California Department of Industrial Relations. The final deadline for pre-qualification submissions is December 23, 2026, at 2:00 pm PT.
Car Washes

POSTED

3 days ago

DEADLINE

in about 1 month
View Details
NAICS: 237130
New
SLED
Pre-Qualification: Overhead Contact System (OCS) Rehabilitation Project Phase 4A – Tasman West/East
Solicitation # C26152F
The Santa Clara Valley Transportation Authority (VTA) is soliciting pre-qualifications for the Overhead Contact System (OCS) Rehabilitation Project Phase 4A – Tasman West/East (Contract C26152F). This project, with an estimated construction cost between 1.7 million and 2.3 million dollars, involves the detailed engineering design, procurement, and installation of new 300 kcmil contact wire, registration insulators, in-span insulators, and surge arresters along Tasman Drive and East Java Drive. Work will be performed in an active light rail operating environment, requiring strict adherence to VTA safety procedures and close coordination to minimize service interruptions, particularly near the agency's only LRV wash facility. To be eligible to submit a sealed bid, firms must be approved through a two-stage pre-qualification process. Applicants must submit a completed qualification questionnaire and a Statement of Qualification Certification Form via the VTA eProcurement portal by December 14, 2026. Minimum requirements include the successful installation of at least 5 miles of OCS for a mainline electrification railroad or urban transit system within the last 10 years, with each contract valued at a minimum of 800,000 dollars. Management and supervisory personnel must also possess equivalent experience. Qualification is determined by a scoring matrix, where scores below 55 result in disqualification, and scores of 72 or higher on two interviews are sufficient for approval. Final contract award will be granted to the lowest responsive and responsible bidder.
Power and Communication Line and Related Structures Construction

POSTED

3 days ago

DEADLINE

in about 1 month
View Details
NAICS: 237310
SLED
US 101 Express Lanes Phase 5
Solicitation # C26031F
The US 101 Express Lanes Phase 5 project, solicitation C26031F, is a construction contract issued by the Santa Clara Valley Transportation Authority (VTA) to convert existing High Occupancy Vehicle (HOV) lanes into a dual express lane system. The project spans approximately 11 miles along US 101 from the US 101/SR 237 interchange in Sunnyvale to the Taylor Road Interchange in San Jose, passing through the cities of San Jose, Santa Clara, Sunnyvale, and Mountain View. Key construction activities include adding a second express lane in both directions, roadway widening, drainage construction, and the installation of tolling infrastructure. The work is estimated to take place between November 2026 and June 2031, with a total estimated construction cost within the right-of-way of 170.6 million dollars. The contract will be awarded to the lowest responsive and responsible bidder based on the total bid price submitted on Bid Form 1B. Bidders must comply with several regulatory requirements, including a 7.8 percent Disadvantaged Business Enterprise (DBE) participation goal, Buy America certifications, and California Labor Code prevailing wage requirements. Technical specifications mandate adherence to Caltrans Highway Design Manual standards and the Americans with Disabilities Act (ADA). The scope of work is supported by extensive geotechnical and foundation reports for multiple retaining walls, FAA determinations for temporary mobile cranes, and encroachment permits from local municipalities. Bids are due by 2:00 p.m. Pacific Time on October 29, 2026.
Highway, Street, and Bridge Construction

POSTED

10 days ago

DEADLINE

in 4 days
View Details
NAICS: 238210
SLED
Cerone Security Enhancements
Solicitation # C26102
The Santa Clara Valley Transportation Authority is soliciting bids for the Cerone Security Enhancements project, solicitation number C26102, to implement comprehensive security upgrades at the Cerone main entrance. The scope of work includes the installation of 10-foot tall chain link fencing, vehicular swing gates, manual and pedestrian gates, and a suite of electronic security systems comprising CCTV cameras, card readers, and an intercom system. Additionally, the contractor is responsible for all necessary electrical infrastructure, communications integration, and the installation of traffic detector loops for the swing gates. The project is estimated to be valued between 690,000.00 and 935,000.00 dollars. The contract will be awarded to the lowest responsive and responsible bidder based on the total bid price. Bidders must hold Class A or B and C-10 electrical licenses and comply with various regulatory requirements, including the Davis-Bacon Act, Buy America, and California Labor Code prevailing wage laws. Key deadlines have been adjusted via addenda, with the final bid submission due by December 17, 2026. Performance is subject to strict quality standards, including Caltrans and ASTM specifications, and requires the use of an independent testing agency for materials and installation verification. All materials must be delivered FOB Destination to VTA locations.
Electrical Contractors and Other Wiring Installation Contractors

POSTED

26 days ago

DEADLINE

in about 1 month
View Details
NAICS: 541370
SLED
Pre-Construction Survey ServicesThis subcontract opportunity, managed by the Engineering and Program Delivery agency in California, seeks a provider to perform pre-construction site surveys for prime contractors on VTA OCS projects. The selected contractor will be responsible for documenting existing site conditions before rehabilitation activities begin and delivering a comprehensive pre-construction survey report. The solicitation is categorized under NAICS code 541370. Interested parties must submit their responses by the deadline of November 13, 2026. Further details regarding the project can be accessed through the official procurement portal.
Surveying and Mapping (except Geophysical) Services

POSTED

about 1 month ago

DEADLINE

in 5 days
View Details
NAICS: 238990
SLED
Traffic Control & Delineation Supply/ServiceThis subcontract opportunity involves the supply and installation of signing and delineation materials for prime contractors working on VTA projects under the Engineering and Program Delivery agency. The selected provider will be responsible for delivering installed traffic control signs and delineation devices, ensuring all provided materials are prequalified by Caltrans. To maintain compliance, all materials must be listed on both the Caltrans Authorized Materials List and the VTA List of Approved Traffic Products. Interested parties should note that the response deadline for this requirement is November 13, 2026.
All Other Specialty Trade Contractors

POSTED

about 1 month ago

DEADLINE

in 5 days
View Details
NAICS: 541330
SLED
OCS Testing, Commissioning & IntegrationThe OCS Testing, Commissioning and Integration subcontract involves providing specialized technical testing and system integration services for prime contractors on VTA OCS projects. The scope of work focuses on conducting critical interface testing between the Overhead Contact System and the Traction Electric System, managing overall system integration, and overseeing final commissioning to ensure a fully functional OCS system. Managed by the Engineering and Program Delivery agency in California under NAICS code 541330, the contract requires the delivery of comprehensive testing reports and official commissioning certification. Interested parties must submit their responses by the deadline of November 13, 2026.
Engineering Services

POSTED

about 1 month ago

DEADLINE

in 5 days
View Details
NAICS: 238210
SLED
OCS Installation ServicesThis subcontract for OCS Installation Services involves the physical installation of Overhead Contact System infrastructure for prime contractors on VTA projects. The scope of work includes the removal of existing poles and the installation of new metal poles, gull wings, pole collars, Kevlar rope, stainless steel wire, insulators, and fittings. All work must be performed in compliance with CPUC G.O. 95 standards and requires the use of certified height and stagger gauges to deliver a fully installed system. Managed by the Engineering and Program Delivery agency in California under NAICS code 238210, the solicitation was posted on September 30, 2026. Interested parties must submit their responses by the deadline of November 13, 2026.
Electrical Contractors and Other Wiring Installation Contractors

POSTED

about 1 month ago

DEADLINE

in 5 days
View Details
NAICS: 332722
SLED
OCS Fastener SupplyThe OCS Fastener Supply subcontract, managed by the Engineering and Program Delivery agency in California, involves the provision of structural fasteners for prime contractors working on VTA OCS projects. The scope of work includes the delivery of bulk bolts, nuts, and washers intended for general and structural connections. To ensure safety and quality, all supplied fasteners must strictly conform to the VTA LRT Standard Design Manual. This opportunity is categorized under NAICS code 332722. The solicitation was posted on September 30, 2026, and the deadline for responses is November 13, 2026. Interested parties can find further details through the official procurement portal.
Bolt, Nut, Screw, Rivet, and Washer Manufacturing

POSTED

about 1 month ago

DEADLINE

in 5 days
View Details
NAICS: 335999
SLED
OCS Specialized Material Supply (Wire, Rope, Insulators)This subcontract, titled OCS Specialized Material Supply (Wire, Rope, Insulators), is issued by the Engineering and Program Delivery agency in California. The contract focuses on the procurement of conductive and insulating materials required for prime contractors working on VTA OCS projects. The scope of supply includes stainless steel wire, wire rope, Kevlar rope, and electrical power insulators, with the specific requirement that all insulators must adhere to ANSI C29.1 test methods. Deliverables for this agreement consist of spools of contact wire, Kevlar rope, and individual insulator units. The opportunity was posted on September 30, 2026, with a response deadline set for November 13, 2026. The project is categorized under NAICS code 335999.
All Other Miscellaneous Electrical Equipment and Component Manufacturing

POSTED

about 1 month ago

DEADLINE

in 5 days
View Details
NAICS: 332999
SLED
OCS Component & Fitting SupplyThis subcontract, titled OCS Component and Fitting Supply, involves the provision of specialized assemblies, fittings, and hardware for prime contractors working on VTA OCS projects. The scope of work includes delivering OCS-specific hardware kits and components essential for counterweight and fixed end terminations, cantilevers, registration arms, pull-offs, push-offs, headspans, and cross spans, all in accordance with established project plans. Managed by the Engineering and Program Delivery agency in California under NAICS code 332999, the opportunity was posted on September 30, 2026. Interested parties must submit their responses by the deadline of November 13, 2026.
All Other Miscellaneous Fabricated Metal Product Manufacturing

POSTED

about 1 month ago

DEADLINE

in 5 days
View Details

Find Active Opportunities Like This

Get AI-powered intelligence on the opportunities still open

Every page of the solicitation package shredded into a compliance breakdown

AI-powered matching based on your capabilities and past performance

Competitor and incumbent history on the requirement

Automated alerts on amendments, Q&A deadlines, and award

Miguel
Hillary
Keith Deutsch
Christine

Join 750+ contractors already using CLEATUS