This Government Contract opportunity from California was posted on September 1, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Transformer Testing and Enclosure Integrity Certification

Closed

State & Local

Submission Closed09/23/2026, 09:00:00 PM UTC

Contract Overview

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

Active Opportunities Like This One

NAICS: 541380

New

SLED

Campus Consulting – Construction Materials Testing And Special Inspection Services

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DEADLINE

Granite Surface Plate Calibration and lapping - with Q&As

Solicitation # W519TC27QA007

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Ultrasonic Rail Testing and Material CertificationThis subcontract for Ultrasonic Rail Testing and Material Certification involves providing independent third-party testing and certification services for prime contractors working on Maryland Transit Administration projects. The selected vendor must be an MTA-approved certified independent testing laboratory capable of performing 100 percent in-line ultrasonic testing across the full length of rails. This technical process requires the use of a computerized DAPCO 300 testing unit or an approved equivalent to ensure material integrity. The contractor is responsible for delivering formal certified test reports and certificates of compliance to verify that all rail materials meet the necessary standards. Interested parties must submit their responses by November 16, 2026, under NAICS code 541380.

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DEADLINE

Concrete Field TestingThis subcontract opportunity involves providing quality assurance testing for prime contractors working on California Department of Transportation highway projects. The primary scope of work focuses on conducting field testing of concrete pours to verify strength and ensure strict adherence to mix compliance standards. The selected provider is responsible for delivering certified test reports to document these findings. To qualify for this engagement, the contractor must employ a certified ACI Grade 1 concrete field-testing technician. Interested parties must submit their responses by December 3, 2026, in accordance with the solicitation posted on October 26, 2026. The project falls under NAICS code 541380.

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Laboratory Ventilation Testing and CertificationThis subcontract opportunity is for Laboratory Ventilation Testing and Certification to support prime contractors on San Francisco Unified School District facility projects. The selected provider will perform specialized testing and official certification of both new and existing bio-safety cabinets and laboratory fume hoods. Using smoke generators and airflow velocity meters, the contractor must verify proper containment and airflow, ultimately providing official certification labels and detailed reports for every unit tested. The project is managed by the San Francisco Unified School District Facilities Design and Construction Department and will be performed in San Francisco, California. Qualified bidders must possess certification authority recognized by local and California state agencies. The solicitation was posted on October 26, 2026, with a response deadline of November 12, 2026.

San Francisco Unified School District Facilities Design and Construction Department

POSTED

DEADLINE

Vehicle Compliance Testing & InspectionThe Vehicle Compliance Testing and Inspection subcontract involves providing essential legal testing and safety inspections for prime contractors delivering vehicles to School District 68 Nanaimo-Ladysmith in British Columbia, Canada. The scope of work includes conducting safety inspections, weight distribution checks, and legal compliance certifications from the point of initial receipt through final acceptance. These services must be performed using appropriate weigh scales and safety tools to ensure all requirements mandated by law under Section 3.3 are met. The selected provider is responsible for delivering all necessary inspection reports and certifications to verify compliance. This opportunity is categorized under NAICS code 541380 and is associated with the Province of British Columbia. Interested parties should note the response deadline of November 26, 2026.

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POSTED

DEADLINE

Construction Materials TestingThis subcontract for Construction Materials Testing involves providing quality assurance testing for prime contractors working on infrastructure projects for the City of Killeen. The selected provider will be responsible for conducting rigorous testing of soil, concrete, and asphalt using specialized laboratory equipment to ensure all materials meet established ASTM and TxDOT testing standards. Key deliverables include the submission of detailed material test reports and official certifications. Managed by the Engineering Services agency in Texas under NAICS code 541380, the opportunity was posted on October 26, 2026. Interested parties must submit their responses by the deadline of November 12, 2026.

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DEADLINE

Environmental Testing & InspectionThis subcontract for Environmental Testing and Inspection involves providing independent testing and inspection services for coating applications on City of Rosenberg water plant projects. The selected contractor will be responsible for monitoring surface preparation and application phases using profile and film thickness gauges, measuring surface profiles according to ASTM D 4417-91 or NACE RP0287-2002 standards, and conducting TCLP testing. All deliverables must include certified inspection reports and laboratory test results. Qualified candidates must employ inspectors with NACE/AMPP certification to ensure technical compliance. The solicitation was posted on October 26, 2026, with a response deadline of November 19, 2026. This opportunity falls under NAICS code 541380 and is managed through the CIP agency in Texas.

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DEADLINE

Seismic Data ProcessingThis subcontract for Oil and Gas Development Company Limited (OGDCL) involves the processing of raw field data into interpretable 2D seismic images to support exploration projects in Pakistan. The scope of work requires the application of geophysical algorithms for noise attenuation, signal enhancement, velocity analysis, migration, and stacking. To successfully execute these tasks, the contractor must utilize specialized seismic processing software and high-performance computing clusters, ultimately delivering processed 2D seismic sections and detailed processing reports. The opportunity was posted on October 26, 2026, with a response deadline of November 11, 2026. Classified under NAICS code 541380, this project is designed for prime contractors working with OGDCL to enhance subsurface imaging and data interpretation for oil and gas exploration.

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POSTED

DEADLINE

2D Seismic Field AcquisitionThis subcontract involves the physical acquisition of 2D seismic data to support exploration projects for the Oil & Gas Development Company Limited in Pakistan. The selected provider will be responsible for deploying geophones and sensors, operating explosive sources or Vibroseis trucks, and managing the field recording and quality control of raw seismic data. To successfully execute these tasks, the contractor must utilize specialized equipment, including seismic recording trucks, Vibroseis trucks, and GPS surveying tools. The final deliverables for this engagement consist of digital files, raw seismic field tapes, and detailed field reports. Interested parties must submit their responses by November 11, 2026, in accordance with the solicitation posted on October 26, 2026. This project falls under NAICS code 541380 and is designed to support prime contractors operating within the OGDCL framework.

Oil & Gas Development Company Limited (OGDCL)

POSTED

DEADLINE

NETA Certified Testing AgencyThis subcontract opportunity with the Department of Defense, specifically for W072 Endist Chicago, requires a NETA Certified Testing Agency to perform pre-energization electrical acceptance testing for prime contractors. The selected agency will be responsible for conducting comprehensive safety and operational tests using specialized equipment, including high-voltage testers, insulation resistance testers, and TTR meters. All work must be performed in strict accordance with NETA ATS and IEEE C57 standards to ensure full compliance and operational safety. The contractor is expected to deliver certified electrical acceptance test reports and provide final commissioning sign-off. This project falls under NAICS code 541380 and is located in the 60441 zip code area. Interested parties must submit their responses by the deadline of November 5, 2026.

POSTED

DEADLINE

Inspection and Testing Services for B-52 Structural ComponentsThis subcontract involves providing independent inspection and testing services for manufactured structural plates used in Air Force Sustainment Center B-52 projects. The selected provider will be responsible for conducting non-destructive testing, dimensional inspections using CMM, and material property verification to ensure all components adhere to flight safety specifications and technical drawings. To qualify for this work, the contractor must maintain NADCAP accreditation and deliver detailed inspection reports along with certifications of compliance. Managed by the Department of Defense through the DLA Aviation office in Oklahoma City, the opportunity falls under NAICS code 541380. The solicitation was posted on October 26, 2026, with a response deadline of November 3, 2026.

Ok DLA Aviation At Oklahoma City

POSTED

1 day ago

DEADLINE

in 6 days

AI Contract Overview

This subcontract for the City of Redding involves providing specialized transformer testing and enclosure integrity certification for prime contractors on utility projects. The scope of work includes performing routine and submersible-specific tests, such as resistance, ratio, polarity, and dielectric testing according to IEEE Std C57.12.90-2021, as well as production leak and submersion tests per IEEE Std C57.12.32-2019. The selected provider will utilize high-voltage testing equipment and submersion pressure tanks to ensure compliance, delivering certified test reports and PCB content statements for every unit. This opportunity falls under NAICS code 541380 and is based in Redding, California, with a response deadline of September 23, 2026.

General Info

Transformer testing and enclosure certification services for City of Redding utility projects.

Agency

California → City of Redding

NAICS

541380 - Testing Laboratories and Services

Place of Performance

Redding, CA, 96003, USA

Set-Aside

NONE

Documents

This scope was carved out of 5728.

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

View the prime solicitation

Single-Phase, Subsurface Distribution Transformers

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Timeline

PhaseClosed

PostedSep 1

subcontract

Response DeadlineSep 23

Deadline has passed

Submission Closed

09/23/2026, 09:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → City of Redding

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → City of Redding

Office AddressN/A

ContactsNo contact information available

Full Description

Performs routine and submersible-specific testing for prime contractors on City of Redding utility projects. Conducts resistance, ratio, polarity, and dielectric tests per IEEE Std C57.12.90-2021, and production leak and submersion tests per IEEE Std C57.12.32-2019. Utilizes high-voltage testing equipment and submersion pressure tanks. Delivers certified test reports and PCB content statements for each unit.