This Subcontract opportunity from California was posted on January 5, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Earthwork and Excavation

Closed

State & Local

Submission Closed02/10/2026, 04:00:00 PM PST

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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Trenching, Shoring, and ExcavationThis subcontract opportunity with S.C. Valley Engineering, Inc. focuses on trenching, shoring, and excavation services for municipal utility relocation projects throughout California. The selected contractor will be responsible for executing trench excavations, installing necessary shoring systems, and placing trench plating to ensure traffic flow and site safety, ultimately delivering secure excavations prepared for pipe installation. The project is designated as an 8A set-aside for Small Disadvantaged Businesses and Disadvantaged Business Enterprises under NAICS code 238910. Interested parties must submit their responses by the deadline of December 1, 2026.

S.C. Valley Engineering, Inc.

POSTED

DEADLINE

Specialized Earthwork & ShoringThis subcontract opportunity, titled Specialized Earthwork and Shoring, is issued by S.C. Valley Engineering, Inc. for municipal utility relocation projects. The selected contractor will be responsible for providing critical trench support and water management services, specifically focusing on the installation of shoring and trench plating as well as the dewatering of excavation sites to ensure stabilized and dry working environments for prime contractors. The project is designated as an 8A set-aside for SAM.gov designated Small Disadvantaged Businesses and Department of Transportation Disadvantaged Business Enterprises, falling under NAICS code 238910. The solicitation was posted on November 6, 2026, with a response deadline set for December 1, 2026.

S.C. Valley Engineering, Inc.

POSTED

DEADLINE

General Site Work & EarthworkThis subcontract for General Site Work and Earthwork involves providing grading, excavation, and site preparation services for prime contractors on municipal park projects for the City of Tualatin, Oregon. The scope of work specifically focuses on the preparation of a 103,000 square foot field, with a primary emphasis on ensuring proper drainage and meeting ADA accessibility standards. The objective of the contract is to deliver a fully graded and stabilized site that is ready for subsequent turf installation or paving. Interested parties must note that the response deadline for this opportunity is December 2, 2026.

POSTED

DEADLINE

Site Clearing & EarthworkThis subcontract opportunity involves providing site preparation, clearing, and grading services for prime contractors working on projects for the San Diego County Department of Parks and Recreation. The selected provider will be responsible for executing all site clearing and earthwork in strict accordance with project specifications to deliver a graded site that is fully prepared for construction. The project is located in San Diego and falls under NAICS code 238910. Interested parties must submit their responses by the deadline of December 16, 2026. Further details and application processes are managed through the San Diego County business portal.

POSTED

DEADLINE

Fire Line Construction and Prescribed Burn SupportThis subcontract involves the construction of fire lines and the provision of heavy equipment support for prescribed burns on Montana DNRC trust lands. The selected contractor will be responsible for clearing vegetation to establish fire breaks and providing essential operational support during controlled burns to ensure the successful delivery of completed fire lines. The project requires strict adherence to forest fire regulations and bear habitat protocols as outlined in the contract attachments. Interested parties must submit their responses by December 3, 2026, for this project categorized under NAICS code 238910.

POSTED

DEADLINE

Dozer and Excavator Piling ServicesThis subcontract for Dozer and Excavator Piling Services involves performing brush piling and land scarification for prime contractors on Montana DNRC trust lands projects. The selected provider will utilize bulldozers and excavators to execute the piling of forest debris and the scarification of land areas to meet project specifications. The contractor is required to comply with all Montana state insurance and workers compensation mandates. Interested parties must submit their responses by December 3, 2026, for this opportunity posted on November 5, 2026, under NAICS code 238910.

POSTED

DEADLINE

Structural Demolition and Debris RemovalThis subcontract for Structural Demolition and Debris Removal involves the physical demolition of the Post Office and Credit Union buildings for projects managed by the Regional District of East Kootenay in Canada. The selected contractor will be responsible for executing site-specific demolition sequencing, which includes the removal of foundations, slabs, basements, crawlspaces, and vaults. To ensure site safety and environmental compliance, the contractor must manage dust suppression and debris containment while utilizing heavy machinery such as excavators and hydraulic shears. The project requires a qualified contractor with a proven track record of performing a similar scope of work to deliver fully demolished sites with all structures removed. Interested parties must submit their responses by December 7, 2026. This opportunity is categorized under NAICS code 238910 and is associated with the Province of British Columbia.

Regional District of East Kootenay

POSTED

DEADLINE

Edgewater Post Office and Credit Union Building Demolition Services

Solicitation # 235628

The Regional District of East Kootenay is soliciting proposals for demolition services for the Edgewater Post Office and Credit Union Building located at 5759 Sinclair Street, Edgewater, British Columbia. The scope of work involves structural demolition and the management of hazardous materials, guided by the Keefer Hazmat Services Ltd report. Key deliverables include a site-specific work plan addressing demolition sequencing, safety, and waste handling, as well as the restoration of the properties to specifications defined in the contract. Final acceptance is contingent upon an inspection by the Regional District of East Kootenay to ensure restoration requirements are met and that no damage was caused to adjacent utilities or landscaped areas. To be eligible, proponents must hold a valid WorkSafe BC Asbestos Abatement License (AAL) and be in good standing with WorkSafeBC. The contract will be awarded to the proponent who meets all mandatory criteria and achieves the highest overall ranking based on weighted criteria and price. The project requires a Site Supervisor with at least five years of field experience in demolition or environmental remediation within the last seven years. The agreement will be based on a modified CCDC 2 – 2020 Stipulated Price Contract, requiring $5,000,000 in both general and automobile liability insurance. Proponents must submit a total lump-sum price inclusive of all tipping fees and delivery charges.

Regional District of East Kootenay

POSTED

DEADLINE

2026-41 Demolition of Condemned Church Building

Solicitation # 2026-41

The City of Charleston, WV, is soliciting bids for solicitation 2026-41 to perform the demolition of a condemned church building located at 915 Main St, Charleston, WV 25302. The scope of work includes comprehensive asbestos abatement, structural demolition, and site restoration consisting of leveling, compaction, and seeding. This project is funded in whole or in part by a HUD Community Development Block Grant (CDBG), making it subject to the Davis-Bacon and Related Acts prevailing wage requirements, Section 3 Equal Employment Opportunity standards, and other federal regulations. The contract will be awarded to the lowest responsible bidder based on a lump sum base bid. Performance must commence within ten calendar days of the notice to proceed and must be completed within forty-five calendar days. Contractors are required to provide bid, performance, and labor/material payment bonds, and must adhere to strict safety and environmental standards, including EPA NESHAP asbestos regulations and OSHA lead-based paint standards. Bids must be submitted via BidExpress or delivered in a sealed envelope to the Purchasing Coordinator by the rescheduled deadline of November 13, 2026, at 1:00 PM. Required documentation for submission includes a Drug Free Affidavit, Federal Funds Addendum, and acknowledgement of all addenda.

City of Charleston, WV

POSTED

DEADLINE

Geothermal Testing & Well InstallationThis subcontract, managed by DAS Procurement for the state of Connecticut, involves the installation and testing of geothermal wells for prime contractors working on University of Connecticut facility projects. The selected provider will be responsible for performing well installation and thermal conductivity testing utilizing specialized geothermal drilling equipment to ensure all deliverables meet project specifications. To qualify for this engagement, contractors must possess the necessary local well-drilling licenses and strictly adhere to ASTM standards. The solicitation was posted on November 5, 2026, with a response deadline of December 8, 2026. This opportunity falls under NAICS code 238910 and focuses on the delivery of fully installed and tested geothermal systems.

POSTED

DEADLINE

Geotechnical Drilling & Subsurface ExplorationThis subcontract for Geotechnical Drilling and Subsurface Exploration, managed by DAS Procurement for the State of Connecticut, involves performing field explorations for prime contractors on University of Connecticut facility projects. The scope of work includes conducting soil sampling, subsurface investigations, and field testing in strict accordance with ASTM International standards. The selected provider will utilize drilling rigs and specialized sampling tools to gather critical subsurface data, ultimately delivering physical soil and rock samples along with detailed field logs. The opportunity is categorized under NAICS code 238910 and was posted on November 5, 2026. Interested parties must submit their responses by the deadline of December 8, 2026. Further information and procurement details can be accessed through the CTSource Bid Board portal.

POSTED

DEADLINE

Site Work and PavingThis subcontract opportunity is for site work and paving services to support prime contractors on facility projects for the Valley Center-Pauma Unified School District in Valley Center, California. The scope of work includes executing grading, paving, and landscaping tasks to deliver completed site improvements. Interested parties must possess a valid California State Contractor's License and maintain DIR registration to be eligible. The solicitation was posted on November 5, 2026, and requires a response by the deadline of March 5, 2027.

Valley Center-Pauma Unified School District

POSTED

about 18 hours ago

DEADLINE

in 4 months

AI Contract Overview

This subcontract opportunity with the California Department of Transportation involves comprehensive earthwork and excavation services located in Pearblossom. The scope of work includes site clearing, trenching, soil removal, and excavation specifically for culvert alignment, as well as the implementation of temporary shoring as required for construction. The project is categorized under NAICS code 238910 and was posted on January 5, 2026. Interested parties must submit their responses by the deadline of February 11, 2026.