This Government Contract opportunity from California was posted on August 7, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Drilling and Boring Operations

Closed

State & Local

Submission Closed09/01/2026, 09:00:00 PM UTC

Contract Overview

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

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NAICS: 238910

New

SLED

Demolition and Site ClearingThis subcontract for Demolition and Site Clearing, issued by the State of California Department of Transportation, involves the removal of existing facilities to prepare a site for new construction. The scope of work includes the demolition of an Equipment Storage Building, Modular Building, Office and Equipment Building, and a Washrack. Required activities encompass building removal, the provision of lateral bracing and shoring, the disconnection of utility services, and comprehensive clearing and grubbing. The selected contractor must provide a complete building removal plan to ensure the site is fully cleared and ready for subsequent development. This opportunity falls under NAICS code 238910, with a response deadline set for December 8, 2026.

State of California Department of Transportation

POSTED

DEADLINE

Temporary Shoring and CofferdamsThis subcontract for the City of Covington involves the design and installation of temporary shoring and cofferdams to support prime contractors. The scope of work focuses on providing steel sheeting and bracing to stabilize adjacent soils and structures, as well as implementing water exclusion systems to ensure dry work zones and stable excavation walls in accordance with Sections 31 41 17 and 31 52 00. The opportunity is categorized under NAICS code 238910 and was posted on October 26, 2026. Interested parties must submit their responses by the deadline of December 1, 2026, at 3:00 PM.

POSTED

DEADLINE

Dewatering and Temporary Water ControlThis subcontract for Dewatering and Temporary Water Control involves providing temporary stormwater bypass pumping and site dewatering services for prime contractors on City of Covington projects in Georgia. The selected contractor is responsible for operating dewatering systems, including the use of ditches, berms, and pumping systems, to divert water into silt bags or settling basins in accordance with Section 01 57 25 to ensure a stable subgrade and dry work area. The opportunity was posted on October 26, 2026, with a response deadline of December 1, 2026. Classified under NAICS code 238910, this contract focuses on specialized site preparation and water management to support broader municipal construction efforts.

POSTED

DEADLINE

Erosion and Sedimentation ControlThis subcontract for the City of Covington in Georgia focuses on the installation and maintenance of erosion and sedimentation control measures to support prime contractors. The scope of work involves implementing a comprehensive control system using erosion control matting, woven coir fabric, and geotextile soil stabilization in accordance with Section 31 25 00. Additionally, the contractor is responsible for managing runoff through the use of silt bags, settling basins, and various geotextiles. The project is categorized under NAICS code 238910. Interested parties must submit their responses by the deadline of December 1, 2026. The ultimate goal of the contract is the delivery of a fully functional and maintained erosion control system to protect project sites from sediment loss and runoff.

POSTED

DEADLINE

Earthwork, Grading, and ExcavationThis subcontract for Earthwork, Grading, and Excavation involves providing specialized site preparation services for prime contractors on City of Covington road projects in Georgia. The scope of work includes topsoil and subsoil removal, proofrolling, trenching, rock removal, and backfilling. All operations must utilize Class I Foundation Stone and Class II, III, or IV Subsoil Fill while strictly adhering to AASHTO T180 standards to ensure graded sites and excavated trenches meet all specified elevations and compaction requirements. The opportunity is categorized under NAICS code 238910 and was posted on October 26, 2026. Interested parties must submit their responses by the deadline of December 1, 2026, at 3:00 PM. This contract focuses on delivering high-quality foundational earthwork to support municipal infrastructure improvements within the city.

POSTED

DEADLINE

Site Clearing and GrubbingThis subcontract for Site Clearing and Grubbing involves providing essential preparation services for prime contractors on infrastructure projects within the City of Covington, Georgia. The scope of work includes the removal of surface debris, paving, curbs, slabs, trees, shrubs, and abandoned utilities, strictly adhering to GDOT Section 201 standards. To achieve a site ready for grading and excavation, the contractor will utilize heavy machinery for grubbing and specialized saw-cutting equipment for the removal of paving. The opportunity is categorized under NAICS code 238910 and was posted on October 26, 2026. Interested parties must submit their responses by the deadline of December 1, 2026, at 3:00 PM. This project is focused on delivering a fully cleared and grubbed site to facilitate subsequent construction phases for the city's infrastructure improvements.

POSTED

DEADLINE

General Demolition & Site PrepThis subcontract for General Demolition and Site Prep involves the interior demolition of comfort stations for prime contractors working on State of Maryland Department of General Services projects. The scope of work includes the removal of old fixtures, flooring, and wall partitions, as well as the hauling of debris in strict accordance with environmental regulations. The contractor is responsible for providing all necessary demolition tools and hauling trucks to deliver a cleared interior ready for new construction. To qualify for this engagement, the contractor must possess the required waste hauling permits and safety certifications. This opportunity is categorized under NAICS code 238910 and was posted on October 26, 2026, with a response deadline of December 10, 2026.

Department Of General Services

POSTED

DEADLINE

Roadway Excavation and Site PreparationThis subcontract for Roadway Excavation and Site Preparation involves performing site clearing and earthwork for prime contractors on California Department of Transportation highway projects located in Los Angeles. The scope of work includes clearing and grubbing, 2,800 cubic yards of standard roadway excavation, and structure excavation specifically for rock slope protection. Additionally, the contractor is responsible for importing borrow material and executing roadside clearing in accordance with 2025 Standard Specifications to deliver fully graded and cleared roadway sections. The opportunity was posted on October 26, 2026, with a response deadline of December 8, 2026. Classified under NAICS code 238910, this project focuses on essential site preparation and earthmoving services to support larger infrastructure developments within the state of California.

California Department of Transportation

POSTED

DEADLINE

Water Pollution Control and Site PrepThis subcontract for Water Pollution Control and Site Prep involves the installation of temporary construction entrances and concrete washout areas for prime contractors on California Department of Transportation projects. The scope of work focuses on utilizing aggregate to construct entrances that prevent track-out and implementing concrete washout containment systems in strict accordance with Division II standards to ensure functional site preparation. The project is located in Desert Hot Springs and falls under NAICS code 238910. Interested parties must submit their responses by the deadline of December 2, 2026.

California Department of Transportation

POSTED

DEADLINE

Cast-In-Drilled-Hole (CIDH) Concrete Pile InstallationThis subcontract involves the drilling and installation of Cast-In-Drilled-Hole concrete piles for Caltrans foundation projects. The selected contractor is responsible for drilling piles to specific diameters and depths, managing drilling fluids, and executing construction under wet conditions. A critical component of the scope includes the handling and disposal of lead-contaminated excavated materials in strict accordance with Cal/OSHA and CA RWQCB Region 3 regulations. To ensure quality and compliance, the contractor must hold an ACI Concrete Field-Testing Technician Grade 1 certification. This project is categorized under NAICS code 238910 and is managed by the State of California Department of Transportation. Responses for this opportunity are due by November 19, 2026.

STATE OF CALIFORNIA DEPARTMENT OF TRANSPORTATION

POSTED

DEADLINE

Erosion Control and Compost MaterialsThis subcontract for the California Department of Transportation involves the supply and installation of erosion control measures and specialized compost to stabilize soil and protect jurisdictional waters. The scope of work requires the application of compost according to specific gradation requirements and the implementation of sediment barriers specifically designed to protect Nojoqui Creek and Species Protection Areas. All activities must strictly comply with Section 21-2.02K and applicable Water Quality Certifications to ensure the delivery of fully installed erosion control systems. The opportunity is categorized under NAICS code 238910 and was posted on October 26, 2026. Interested parties must submit their responses by the deadline of November 18, 2026. This project is intended for prime contractors operating on Caltrans projects who require specialized environmental stabilization services.

California Department of Transportation (Caltrans)

POSTED

DEADLINE

Construction On State Highway In Santa Barbara County Near Buellton At Various Locations From 3.6 Miles North Of Route 1/101 Separation To 1.3 Miles South Of Route 101/246 Separation

Solicitation # 05-1K4514

Solicitation 05-1K4514 is a request for bids from the California Department of Transportation for landscape planting and erosion control construction on Route 101 in Santa Barbara County. The project is located near Buellton, spanning from 3.6 miles north of the Route 1/101 separation to 1.3 miles south of the Route 101/246 separation. With an estimated cost of 480,000 dollars, the contract requires bidders to hold a Class A or C-27 license and submit bids on a unit price basis via the Bid Express website by November 18, 2026. The project timeline consists of a 40-working-day period for general construction and a 750-working-day period for plant establishment, totaling 790 working days. Key financial and compliance requirements include a minimum of 79,000 dollars for plant establishment work, a 5 percent DVBE goal, and specific participation requirements for Small Business Enterprises. Contractors must adhere to 2025 Standard Specifications and Standard Plans, provide environmental product declarations for concrete and hot mix asphalt, and ensure that quality control personnel hold ACI Concrete Field-Testing Technician Grade 1 certification.

California Department of Transportation (Caltrans)

POSTED

about 22 hours ago

DEADLINE

in 22 days

AI Contract Overview

The Amador Water Agency in California is seeking a subcontractor for Drilling and Boring Operations to be performed in Sutter Creek, zip code 95685. The scope of work involves the execution of horizontal or vertical drilling specifically for utility installation or access, which encompasses all necessary setup, operation, and subsequent site restoration. This opportunity is categorized under NAICS code 238910. Interested parties must submit their responses by the deadline of September 1, 2026, at 9:00 PM. Further details regarding the solicitation can be accessed through the provided BidAmerica portal.

General Info

Amador Water Agency seeks drilling subcontractors in Sutter Creek; bids due September 1, 2026.

Agency

California → Amador Water Agency

NAICS

238910 - Site Preparation Contractors

Place of Performance

Sutter Creek, CA, 95685, USA

Set-Aside

NONE

Documents

This scope was carved out of 20260806036.

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

View the prime solicitation

Tanner Backwash Drying Beds Project

AI Contract Breakdown

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Timeline

PhaseClosed

PostedAug 7

subcontract

Response DeadlineSep 1

Deadline has passed

Submission Closed

09/01/2026, 09:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → Amador Water Agency

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → Amador Water Agency

Office AddressN/A

ContactsNo contact information available

Full Description

Execution of horizontal or vertical drilling for utility installation or access, including setup, operation, and site restoration.

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