This Government Contract opportunity from California was posted on December 31, 2024. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Welding Services – Structural and Piping Repairs

Closed

State & Local

Submission Closed01/14/2025, 12:00:00 AM UTC

Contract Overview

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

Active Opportunities Like This One

NAICS: 238212

Federal

Mechanical Fabrication and Ductwork RepairThe contract involves the fabrication and installation of custom sheet metal components along with the repair or replacement of damaged ductwork for AHU 14, specifically to maintain the integrity of air distribution systems. Work must be executed with precision to ensure proper airflow, system efficiency, and compliance with mechanical standards. The scope focuses on a single critical unit within a facility under the Department of Veterans Affairs, emphasizing reliability and durability of the fabricated and repaired elements. This subcontract, posted on June 18, 2026, is categorized under NAICS code 238212 for commercial and industrial building mechanical contractor services. Performance is required at a location in Memphis, Tennessee, with zip code 38134, and is managed by the 249-NETWORK Contract Office 9 under the Department of Veterans Affairs. While no set-aside designation or point of contact details are provided, the contract is open for award through the federal procurement system and requires adherence to all applicable mechanical and safety codes for HVAC systems.

249-NETWORK Contract Office 9 (36C249)

POSTED

DEADLINE

Striping and Pavement MarkingTulare County has issued a subcontract for striping and pavement marking services involving the application of thermoplastic or paint-based materials to establish traffic control markings such as crosswalks, stop bars, and directional arrows on roadways. The work is intended to support safe and compliant transportation infrastructure within the county and is classified under NAICS code 238212, which pertains to site preparation and paving services. The contract was posted on June 5, 2026, and performance is expected to occur within California, though specific locations or addresses are not detailed. The project does not carry a designated set-aside classification and is accessible via a public link for further information, with no designated point of contact provided in the release.

POSTED

DEADLINE

Structural Steel Repair and ReplacementThe contract entails the repair or replacement of fire-damaged structural steel components located beneath Bridge No. 34-0138C in San Francisco, encompassing beams, girders, and associated connections. Work will involve precision cutting, welding, and bolting to restore structural integrity, along with the application of comprehensive corrosion protection measures to ensure long-term durability. All activities must comply with industry standards for structural steel fabrication and field installation, with a focus on minimizing disruption to bridge operations and maintaining safety during execution. This subcontract is issued under NAICS code 238212, which classifies it as structural steel erection and fabrication, and is managed by Caltrans, District 4 - Bay Area/Oakland, representing the State of California. The work is to be performed at the bridge location in San Francisco, and while no set-aside provisions or solicitation number are specified, the contract was posted on May 27, 2026, indicating it is part of a planned infrastructure remediation effort. Performance is subject to Caltrans standards and timelines, with full accountability for material quality, craftsmanship, and adherence to safety protocols throughout the project lifecycle.

Caltrans, District 4 - Bay Area/Oakland

POSTED

DEADLINE

Photovoltaic System Installation – Ground Mount Solar ArraySan Joaquin County in California is seeking a subcontractor for the design, supply, and installation of a ground-mount solar array located in Escalon. The project involves the implementation of a 4.2 MW system, specifically consisting of 4,199.040 kW DC photovoltaic modules along with the necessary inverters, racking, and wiring. This subcontract falls under NAICS code 238212 and was posted on April 17, 2026. The scope of work encompasses the full technical lifecycle of the installation to ensure the operational capacity of the photovoltaic system.

POSTED

DEADLINE

Sheet Metal and Ductwork Fabrication/Installation

257-NETWORK Contract Office 17 (36C257)

POSTED

DEADLINE

Low-Voltage and Communications Systems InstallationThis subcontract agreement through Sourcewell focuses on the professional installation of data, voice, and low-voltage communications systems. The scope of work requires the delivery of BICSI-compliant shop drawings and comprehensive testing to ensure all systems meet industry standards for performance and reliability. The project is categorized under NAICS code 238212 and was posted on March 3, 2026. Interested parties have until March 29, 2030, to submit their responses. Further details regarding the procurement process can be accessed via the provided Sourcewell cooperative purchasing link.

POSTED

DEADLINE

Security Systems Design and InstallationThis subcontract, titled Security Systems Design and Installation, focuses on the comprehensive design, installation, and testing of critical security infrastructure. The scope of work specifically includes the implementation of access control, surveillance, and intrusion detection systems, with a mandatory requirement for seismic qualification documentation to ensure system stability and safety. Managed by Sourcewell under NAICS code 238212, the contract was posted on March 3, 2026, and maintains a response deadline of March 29, 2030. This long-term procurement window outlines the technical requirements for securing facilities through integrated electronic security measures and specialized engineering certifications.

POSTED

DEADLINE

Sheet Metal Fabrication and DuctworkThe contract involves the fabrication, modification, and installation of ductwork specifically designed for a new rooftop unit (RTU). Key tasks include sealing, insulating, and aligning the ductwork to ensure optimal airflow efficiency and compliance with relevant building codes. This work is critical to the proper functioning of the HVAC system in the designated facility. Issued as a subcontract under the NAICS code 238212, the project is overseen by the Department of the Interior through Ner Services Mabo (43000). The work is to be performed in Salem, Massachusetts, ZIP code 01970. The contract focuses on specialized sheet metal fabrication and ductwork services integral to the upgrade or installation of air handling equipment.

Ner Services Mabo (43000)

POSTED

DEADLINE

Low-Voltage Cable Installation & System UpgradesThis contract involves the installation, repair, and upgrading of low-voltage cabling systems, specifically coaxial (RG6) and fiber optic cables, across 22 housing units at Dixon Correctional Center in Dixon, Illinois. The scope of work includes routing the cables, terminating connections, proper labeling, and integrating the new systems with the existing infrastructure to ensure seamless communication and data transmission capabilities within the facility. The contract is categorized under NAICS code 238212, which pertains to electrical contractors and other wiring installation activities. It is issued as a subcontract by the Dixon Correctional Center, reflecting the facility’s need to enhance its internal communication network and support modern infrastructure requirements. The work is critical to maintaining and upgrading the facility's electronic communication systems, and the location of performance is designated as Dixon, Illinois, with a postal code of 61021.

Dixon Correctional Center

POSTED

DEADLINE

Solar Photovoltaic (PV) System InstallationThis subcontract agreement involves the design, supply, and installation of a ground-mounted solar photovoltaic system located on approximately 11 acres of agricultural land in Modesto, California. The project scope includes the full technical implementation of the solar array and the necessary interconnection processes required to participate in the Modesto Irrigation District’s Feed-in Tariff program. Managed by Stanislaus County, the project is categorized under NAICS code 238212 for electrical contracting. The installation is situated within the 95356 zip code and is focused on integrating renewable energy infrastructure into a rural land setting to leverage local utility incentives.

POSTED

DEADLINE

Ground-Mount Photovoltaic (PV) System InstallationThe City of Redding in California is seeking a subcontractor for the design, supply, and installation of a ground-mounted photovoltaic solar PV system. The scope of work encompasses the complete technical execution of the project, including the provision of racking, all necessary wiring, and full electrical integration to ensure the system is operational. This project is categorized under NAICS code 238212 and will be performed in Redding, California, within the 96007 zip code. The solicitation was posted on January 5, 2026, and further project details can be accessed through the provided CEQAnet link.

POSTED

DEADLINE

Shade Structure Repair and MaintenanceThe Shade Structure Repair and Maintenance subcontract, issued by the Los Angeles County Parks and Recreation agency in California, focuses on the inspection, repair, and upkeep of existing shade sails and canopies. The primary objective of the work is to maintain structural integrity and ensure continued UV protection for the designated facilities. This project is categorized under NAICS code 238212 and was posted on December 18, 2025. Interested parties can find further details regarding the project through the provided California Environmental Quality Act portal link.

Los Angeles County Parks & Recreation

POSTED

10 months ago

DEADLINE

N/A

AI Contract Overview

This subcontract opportunity with the California Department of Corrections & Rehab involves providing specialized welding services for water treatment and distribution facilities. The scope of work focuses on performing essential repairs and welding on steel structures, piping, tanks, and various support systems to ensure operational integrity. Interested parties must submit their responses by January 14, 2025. The project is categorized under NAICS code 238212, and further details regarding the solicitation can be accessed through the Cal eProcure portal.