This Subcontract opportunity from California was posted on September 23, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Geotechnical and Environmental Drilling

Closed

State & Local

Submission Closed10/14/2026, 12:00:00 PM PDT

Contract Overview

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

Active Opportunities Like This One

NAICS: 238910

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Interior Demolition and Site PreparationThis subcontract opportunity is for interior demolition and site preparation at a Department of Veterans Affairs healthcare facility in Cincinnati, Ohio. The project specifically involves preparing a fluoroscopy room by demolishing existing walls, ceilings, and flooring, followed by the legal disposal of all debris to ensure the site is cleared and ready for new construction operations. The contract is designated as a Service-Disabled Veteran-Owned Small Business set-aside under NAICS code 238910. Managed by the Department of Veterans Affairs Network Contract Office 10, the solicitation was posted on November 8, 2026, with a response deadline of November 20, 2026.

250-NETWORK Contract Office 10 (36C250)

POSTED

DEADLINE

Mine Waste Placement and CompactionThis subcontract opportunity with the Environmental Protection Agency Region 9 involves the final placement and compaction of mine waste into containment cells for environmental remediation projects. The selected contractor will be responsible for spreading waste in lifts and utilizing heavy rollers and graders to ensure all materials meet strict engineering specifications for density and grade. The project is categorized under NAICS code 238910 and is designated as an SBA set-aside. Interested parties must submit their responses by January 5, 2027, to support prime contractors in delivering fully compacted waste cells that adhere to all regulatory and technical requirements.

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Mine Waste Excavation and StockpilingThis SBA set-aside subcontract involves performing bulk excavation of contaminated mine waste for prime contractors on environmental remediation projects managed by the Environmental Protection Agency Region 9. The scope of work requires the operation of heavy dozers, excavators, and loaders to remove waste and place it into temporary stockpiles or load it for transport within remote terrain, ensuring all deliveries meet specific volume requirements. The opportunity is categorized under NAICS code 238910 and was posted on November 8, 2026. Interested parties must submit their responses by the deadline of January 5, 2027.

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Earthworks and Excavation ServicesThis subcontract for Earthworks and Excavation Services involves performing site preparation and ground-moving activities for prime contractors on UNHCR facility projects located in Adré, Chad. The scope of work includes site layout, the excavation of 233.68 cubic meters of pits for foundations and 53.5 cubic meters of trenches, as well as the application of 233.3 cubic meters of sandy or lateritic backfilling. To complete these deliverables, the contractor will utilize specialized machinery including excavators, compactors, and surveying equipment. All operations must be executed in strict adherence to Chadian national standards and the prime contractor's health, safety, and environmental plans to ensure the successful delivery of compacted fill and prepared excavations.

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Dewatering & Contaminated Water RemovalThis subcontract for Dewatering and Contaminated Water Removal supports prime contractors on SFO AirTrain projects under the California Design and Construction Electrical Engineering agency. The scope of work involves removing water from approximately 60 manholes and utility tunnels to ensure dry work areas. The contractor is responsible for testing all extracted water for fuel, oil, and grease contamination and managing the legal off-site disposal of any contaminated materials. To qualify, the contractor must possess hazardous material transport permits and environmental disposal certifications. Key deliverables include the provision of dry work sites and the submission of official disposal manifests. The response deadline for this opportunity is December 8, 2026.

Design and Construction - Electrical Engineering

POSTED

DEADLINE

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DEADLINE

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Parks, Recreation and Community Services Department

POSTED

DEADLINE

Underground Storage Tank (UST) RemovalThis subcontract opportunity involves the removal and disposal of underground storage tanks ranging from 1,000 to 5,000 gallons for prime contractors working on California Department of Corrections and Rehabilitation facility projects. The scope of work requires the use of specialized excavation equipment and tank lifting gear to extract and deliver the storage tanks. Performance of these services will take place in Alameda, California. Qualified bidders must possess the necessary UST removal certifications and licensing to be eligible for the project. The solicitation was posted on November 6, 2026, with a response deadline set for December 4, 2026. This project falls under NAICS code 238910.

California Department of Corrections & Rehabilitation

POSTED

DEADLINE

Earthwork and Structure RemovalThis subcontract opportunity, titled Earthwork and Structure Removal, involves providing specialized excavation and demolition services for prime contractors working on Hawaii Department of Transportation highway projects. The scope of work includes the removal of existing structures and obstructions, as well as performing excavation and backfilling for markers and posts utilizing heavy machinery to deliver fully cleared sites. The solicitation was posted on November 6, 2026, with a response deadline of December 5, 2026. Classified under NAICS code 238910, this project is managed through the Hawaii Department of Transportation. Interested parties can find further details via the official HIEPRO procurement portal.

Department of Transportation

POSTED

DEADLINE

Site Preparation for Pre-Construction Utility Relocation Services

Solicitation # FY27-RFP-15

The City of Charlotte, through its Charlotte-Mecklenburg Storm Water Services department, is soliciting proposals for site preparation services to support private utility relocations. This as-needed contract focuses on removing obstacles from private utility ways to ensure that utilities can be successfully relocated prior to the start of various construction projects. Interested companies must submit their responses by December 3, 2026, for solicitation number FY27-RFP-15. The work will be performed within the state of North Carolina, and inquiries regarding this opportunity can be directed to the primary point of contact, Elizabeth Murray.

City Of Charlotte

POSTED

2 days ago

DEADLINE

in 25 days

AI Contract Overview

This subcontract for Geotechnical and Environmental Drilling supports prime contractors on City of Los Angeles Bureau of Engineering projects. The scope of work involves performing soil boring, drilling, and sampling, which includes collecting driven samples at six inch intervals, recording groundwater depth, and conducting OVA/PID readings. All operations must be performed using drill rigs and handheld NAD83 GPS units while adhering to ASTM D2488 and CAL/OSHA Trench/Shoring orders. The contractor is responsible for delivering physical soil and groundwater samples along with detailed field boring logs. This opportunity is categorized under NAICS code 238910 and is managed by the Engineering Bureau of Public Works in California. The response deadline for this solicitation is October 14, 2026, with the place of performance located in Los Angeles.

General Info

Geotechnical drilling subcontract for Los Angeles Bureau of Engineering projects, deadline October 14, 2026.

Agency

California → Engineering Bureau, Public Works

NAICS

238910 - Site Preparation Contractors

Place of Performance

Los Angeles, CA, USA

Set-Aside

NONE

Documents

This scope was carved out of 25-167.

The full solicitation package (11 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

TOS No. 25-167 - Palisades Branch Library Replacement Project

AI Contract Breakdown

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Timeline

PhaseClosed

PostedSep 23

subcontract

Response DeadlineOct 14

Deadline has passed

Submission Closed

10/14/2026, 12:00:00 PM PDT

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Organization & Contact Information

AgencyCalifornia → Engineering Bureau, Public Works

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → Engineering Bureau, Public Works

Office AddressN/A

ContactsNo contact information available

Full Description

Performs soil boring, drilling, and sampling for prime contractors on City of Los Angeles Bureau of Engineering projects. Collects driven samples at 6-inch intervals, records groundwater depth, and takes OVA/PID readings using drill rigs and handheld NAD83 GPS units. Adheres to ASTM D2488 and CAL/OSHA Trench/Shoring orders. Delivers physical soil/groundwater samples and field boring logs.