This Government Contract opportunity from California was posted on June 12, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Excavation and Trenching Services

Closed

State & Local

Submission Closed07/15/2026, 05:00:00 PM UTC

Contract Overview

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

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NAICS: 237990

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ALTA, RIVERVIEW, AND KINGS CANYON HIGH WELL DRILLING PHASE

Solicitation # alta-riverview-kings-canyon-high-well-drilling-phase

The Alta, Riverview, and Kings Canyon High Well Drilling Phase is a solicitation issued for Project No. 1000316-001C on behalf of the Kings Canyon Unified School District. The project involves well drilling operations located across Reedley, Parlier, Dinuba, and Fresno, California. This opportunity is categorized under NAICS code 237990 and is managed through Anthony J. Prieto Water Well Drilling, Inc. This solicitation is specifically set aside for small businesses, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses. The posting date is October 24, 2026, with a response deadline set for November 10, 2026. Interested parties may coordinate through the primary point of contact, Jennah Castagna.

Anthony J. Prieto Water Well Drilling, Inc.

POSTED

DEADLINE

Construction of The Recharge Master Plan Update (RMPU) Basin Improvements Project - Montclair Basin Improvements

Solicitation # construction-recharge-master-plan-update-rmpu-basin-improvements-project-montclair-basin-0

The Recharge Master Plan Update Basin Improvements Project, managed by Granite Construction Company, involves the construction of two drop inlet diversion structures within the San Antonio Creek Channel in Montclair, California. The scope of work includes excavating 8 to 10 feet below the channel floor across the full 25-foot width, installing steel debris grates, and fitting wall-mounted steel gates on the east sides. Additionally, the project requires the installation of 4-foot-diameter discharge pipelines leading to Montclair Basins 2 and 3, which will be covered by 3 feet of soil and terminate in concrete outlet structures designed for flow dissipation. The project also encompasses the delivery of complete electrical, instrumentation, and SCADA integration to manage gate actuation. Programming for these systems is strictly limited to approved integrators, specifically Technical Systems, Inc. or E Technologies Group. This solicitation is categorized under NAICS code 237990 and is open for responses until November 5, 2026.

Granite Construction Company

POSTED

DEADLINE

ARWA Carrizo System Expansion: Well Drilling

Solicitation # arwa-carrizo-system-expansion-well-drilling

The Alliance Regional Water Authority is seeking bids for the Carrizo System Expansion project focusing on well drilling services located in Rosanky, Texas. This solicitation, identified as ARWA IFB Number 2026-001, is managed by Hydro Resources - Mid Continent, Inc. and falls under NAICS code 237990. The opportunity is specifically set aside for Small Businesses and Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 3, 2026. Primary coordination for this contract is handled by Amy Majors.

Hydro Resources - Mid Continent, Inc.

POSTED

DEADLINE

Construction of The Recharge Master Plan Update (RMPU) Basin Improvements Project - Montclair Basin Improvements

Solicitation # construction-recharge-master-plan-update-rmpu-basin-improvements-project-montclair-basin

Empire Equipment Service, Inc. is soliciting quotes for the Construction of The Recharge Master Plan Update Basin Improvements Project, specifically focusing on the Montclair Basins 2 and 3 Diversion Improvements at the San Antonio Creek Channel in Montclair, California. This project is being conducted for the Inland Empire Utilities Agency and falls under NAICS code 237990. The opportunity is specifically seeking certified DBE and DVBE subcontractors and suppliers, with set-asides available for various small business categories including Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses. Interested parties must submit their responses by November 5, 2026. Primary inquiries should be directed to Gio Marquez via the provided estimating email or phone contact.

Empire Equipment Service, Inc.

POSTED

DEADLINE

Site Compliance and Improvements - Patton Landing

Solicitation # site-compliance-improvements-patton-landing

The State of California Department of General Services is seeking bids for the Site Compliance and Improvements project at Patton Landing, located in Carnelian Bay, Placer County, California. Identified by Project Number 13891 and Event ID 0000040533, this solicitation focuses on site compliance and infrastructure enhancements under NAICS code 237990. This opportunity is specifically set aside for SBA certified Service-Disabled Veteran Owned Small Businesses and Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 10, 2026. Primary coordination for this project is managed through Nayvi Waite at Resource Development Company LLC.

Resource Development Company LLC

POSTED

DEADLINE

ADVANCE NOTICE: Rail Modernization Program

Solicitation # WMATA-0000010871

The Washington Metropolitan Area Transit Authority has issued an advance notice for the Rail Modernization Program under solicitation number WMATA-0000010871. This solicitation is categorized under NAICS code 237990, focusing on specialized trade contractors for rail infrastructure improvements. Interested parties have until September 30, 2027, to submit their responses. Further details and bidding processes are managed through the official WMATA supplier portal.

Washington Metropolitan Area Transit Authority

POSTED

DEADLINE

Manhole Installation & Heavy Civil WorkThis subcontract for Manhole Installation and Heavy Civil Work involves performing excavation and installation services for prime contractors on municipal projects within the City of Dublin, Georgia. The scope of work requires excavating to depths of 12 to 14 feet while strictly adhering to OSHA safety standards through the use of shoring, shielding, or trench boxes. Technical requirements include installing manholes on 12 inch stone bedding, applying Kore-N-Seal boots to pipe connections, constructing pipe invert channels, and ensuring all structures are backfilled to 90 percent compaction. The project is categorized under NAICS code 237990 and was posted on October 23, 2026, with a response deadline of November 24, 2026. The successful contractor is responsible for the complete delivery of the installed and backfilled manhole structures as specified in the project requirements.

POSTED

DEADLINE

The Town of Trumbull is soliciting sealed proposals for the Department of Public Works Fuel Pump Renovation project, identified as solicitation 6581. The scope of work requires the contractor to provide all labor, materials, and equipment for the demolition, removal, and installation of fuel pump facilities. Key deliverables include the construction of fuel islands, tank slabs, and canopies, as well as the implementation of fire suppression and electrical systems. The project must adhere to the 2024 Connecticut Sediment and Erosion Control Guidelines, Town of Trumbull noise regulations, and technical standards such as NFPA 30, 30A, and 70. Proposals are due by December 1, 2026, at 2:00 PM ET and must be submitted in a sealed envelope to the Purchasing Agent. The selection process may evaluate proposers based on their previous experience with comparable work and available financial and technical resources. Required submission documents include a completed bid form, a list of subcontractors, and evidence of similar services provided to at least four clients in the last five years. The successful contractor must provide a 10% bid security, 100% performance and payment bonds, and a Certificate of Insurance naming the Town of Trumbull and the State of Connecticut as additional insureds. Additionally, the contractor must comply with Connecticut State Prevailing Wage Rates and ensure personnel have completed the 10-hour OSHA Construction Safety and Health Course. Payment is structured via estimates with a 5% retainage, though the Town may approve payments for long-lead equipment prior to delivery.

POSTED

DEADLINE

Shoreline Stabilization ContractorThis subcontract opportunity is for a Shoreline Stabilization Contractor to perform bank stabilization work for prime contractors on Government of Ontario projects located at the Fort William Historical Park. The selected contractor will be responsible for preventing erosion and securing the wharf area through the installation of stabilization structures such as riprap, gabions, sheet piling, or bulkheads. The scope of work requires the use of specialized machinery, including barges, long-reach excavators, and compaction equipment, to deliver a fully stabilized bank and shoreline. The project is managed under the Ministry of Tourism, Culture and Gaming and requires strict adherence to WHMIS and Ontario construction industry standards. Interested parties must submit their responses by the deadline of November 9, 2026. This procurement falls under NAICS code 237990 and is focused on critical infrastructure maintenance within Canada.

Tourism, Culture and Gaming

POSTED

DEADLINE

Fort William Historical Park – Bank Stabilization Construction Services (Historic Wharf)

Solicitation # tender_22303

The Government of Ontario, through the Ministry of Tourism, Culture and Gaming, is seeking a qualified contractor for bank stabilization and erosion mitigation works at the Historic Wharf of Fort William Historical Park in Thunder Bay, Ontario. The project aims to stabilize the existing embankment, protect the boardwalk and surrounding infrastructure, and restore safe conditions. The scope of work encompasses all necessary labor, materials, and supervision for site preparation, earth excavation, installation of geotextile and gabion basket retaining systems, placement of blast rock and clear stone, temporary dewatering, erosion and sediment control, and final site restoration including topsoil and sodding. The procurement process, identified as tender 22303, utilizes a multi-stage evaluation totaling 250 points. Bidders must first pass a technical evaluation focusing on health and safety, requiring a minimum score of 60 points to proceed to the commercial evaluation. The final selection is based on the highest scoring compliant bid, with a 10 percent score increase awarded to the bidder demonstrating the highest proportion of Ontario-made goods and services. Mandatory requirements include a non-U.S. business status, a commitment that 90 percent of staff are located in Canada, and a bid deposit of at least 10 percent of the total bid price. Selected contractors must provide a detailed project plan, procurement plan, and health and safety plan, while ensuring all Ontario tax obligations are in good standing.

Tourism, Culture and Gaming

POSTED

DEADLINE

Pump Station Civil and Structural WorkThis subcontract for Pump Station Civil and Structural Work involves the construction of a pump station for prime contractors working on Harris County infrastructure projects in Houston, Texas. The scope of work includes installing foundations according to geotechnical reports, managing lateral earth pressures and foundation settlement, and implementing buoyant uplift resistance systems for buried structures. Additionally, the contractor is responsible for using specialized backfill materials as specified in Plate B-1 to deliver the completed structure. The opportunity is categorized under NAICS code 237990 and was posted on October 23, 2026. Interested parties must submit their responses by the deadline of November 16, 2026. This project is managed through the Harris County procurement system for infrastructure development within the state of Texas.

POSTED

DEADLINE

Underground Pipe Installation and TrenchingThis subcontract for Underground Pipe Installation and Trenching involves providing specialized infrastructure services for prime contractors on Harris County projects in Houston, Texas. The scope of work includes trench excavation, the installation of pipes and manholes, and the management of live loads for roadway crossings. The contractor is responsible for delivering a complete underground utility network while strictly adhering to geotechnical design soil parameters and thrust force design recommendations. Compliance is mandatory with ASTM, TXDOT, and OSHA standards regarding trench stability. The opportunity is categorized under NAICS code 237990 and was posted on October 23, 2026, with a response deadline of November 16, 2026.

Harris County

POSTED

1 day ago

DEADLINE

in 23 days

AI Contract Overview

The City of Los Angeles Department of Public Works Bureau of Engineering is seeking a subcontractor for excavation and trenching services to support sewer rehabilitation projects. The scope of work involves trenching, shoring, and backfilling within urban environments, requiring strict adherence to established safety and engineering standards. This opportunity is categorized under NAICS code 237990 and will be performed in Los Angeles, California. Interested parties must submit their responses by July 15, 2026, following the posting date of June 12, 2026.

General Info

LA Public Works seeks excavation subcontractors for sewer projects; apply by July 15, 2026.

Agency

City of Los Angeles, California Department of Public Works Bureau of Engineering

NAICS

237990 - Other Heavy and Civil Engineering Construction

Place of Performance

Los Angeles, CA, 90016, USA

Set-Aside

NONE

Documents

This scope was carved out of SZC14383.

The full solicitation package (13 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Westlake Relief Drain (WRD) Rehabilitation Unit 5 - Ferndale to Obama

AI Contract Breakdown

Uniform Contract Format

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

Timeline

PhaseClosed

PostedJun 12

subcontract

Response DeadlineJul 15

Deadline has passed

Submission Closed

07/15/2026, 05:00:00 PM UTC

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Organization & Contact Information

AgencyCity of Los Angeles, California Department of Public Works Bureau of Engineering

ContactsNo contacts available

OfficeN/A

Organization / AgencyCity of Los Angeles, California Department of Public Works Bureau of Engineering

Office AddressN/A

ContactsNo contact information available

Full Description

Excavation for sewer rehabilitation including trenching, shoring, and backfilling in urban environments with compliance to safety and engineering standards.

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