This Subcontract opportunity from California was posted on September 21, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Earthwork and Slope Stabilization Contractor

Closed

State & Local

Submission Closed10/15/2026, 02:00:00 PM PDT

Contract Overview

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

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NAICS: 238910

New

International

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Existing Video Board Removal and DisposalThis subcontract opportunity involves the removal and legal disposal of legacy video board systems for prime contractors working on 22nd District Agricultural Association projects in California. The selected contractor will be responsible for dismantling existing videoboards and hauling away electronic waste in strict accordance with local and state regulations to ensure the site is cleared and ready for new installations. Interested parties must hold a valid DIR Public Works Contractor Registration to be eligible. The solicitation was posted on November 6, 2026, with a response deadline of December 8, 2026. This project falls under NAICS code 238910 and is managed through the Cal eProcure system.

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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.

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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

Seismic Retrofitting & Structural EngineeringThis subcontract for Seismic Retrofitting and Structural Engineering involves providing structural analysis and physical reinforcements for prime contractors working on California Department of General Services facility projects. The scope of work includes conducting structural integrity assessments and installing foundation reinforcements, wall anchors, and seismic braces using epoxy anchors and structural steel. All activities must strictly adhere to the California Building Code and State seismic safety specifications, culminating in the delivery of installed reinforcements and a certified seismic safety compliance report. The opportunity is categorized under NAICS code 238910 and was posted on November 6, 2026, with a response deadline of November 21, 2026. Interested parties can find further details through the Cal eProcure portal.

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Earthwork and Site GradingThis subcontract for Earthwork and Site Grading involves providing specialized grading and earthwork services for prime contractors working on Chicago Public Schools facility projects. The scope of work includes topsoil removal, excavation for fence post bases, and backfilling, culminating in the delivery of a graded and stabilized subgrade. Technical requirements specify that proof rolling must be performed using pneumatic rollers or 25-ton trucks in accordance with ASTM D1557 standards. Additionally, the contractor is responsible for restoring any damaged areas through seeding and watering. The solicitation was posted on November 6, 2026, with a response deadline of November 24, 2026.

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Selective Demolition and Site ClearingThis subcontract for Selective Demolition and Site Clearing involves performing specialized demolition services for prime contractors on Chicago Public Schools facility projects. The scope of work includes the removal of existing five foot chain link fencing and related building elements, as well as the location, disconnection, and capping of electrical systems and utility services. The contractor is responsible for disposing of all spoils in strict accordance with the MEC Design Manual and NFPA 241 standards to ensure the site is fully cleared and ready for new construction. This opportunity is categorized under NAICS code 238910, with a response deadline set for November 24, 2026.

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Earthwork and Drainage ModificationThis subcontract for Earthwork and Drainage Modification involves performing swale regrading and drainage system modifications for prime contractors working on City bridge upgrade projects. Utilizing graders and excavators, the contractor is responsible for ensuring proper water flow and delivering modified drainage infrastructure in strict compliance with project specifications and applicable building codes. Managed by the Public Works Administration in Florida under NAICS code 238910, the opportunity was posted on November 6, 2026. Interested parties must submit their responses by the deadline of December 9, 2026.

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Earthwork and Site PreparationThis subcontract for Earthwork and Site Preparation involves providing clearing, grading, and structural excavation services for prime contractors on municipal projects within the City of Taylor. The scope of work includes clearing and grubbing, subgrade preparation, trenching, backfilling, and dewatering operations, utilizing specialized excavators and compaction equipment. All deliverables must adhere to the technical requirements outlined in Spec Sections 31 11 00 through 31 23 33. The opportunity is managed by the Michigan Procurement agency under NAICS code 238910. Interested parties must submit their responses by the deadline of December 14, 2026. Further details regarding the project can be accessed through the official procurement portal.

POSTED

DEADLINE

2026-41 Demolition of Condemned Church Building

Solicitation # 2026-41

The City of Charleston, WV, is soliciting bids from qualified contractors for solicitation 2026-41, involving the demolition of a condemned church building located at 915 Main St, Charleston, WV 25302. The comprehensive scope of work includes all-inclusive asbestos abatement for the rooftop and flooded basement areas, complete structural demolition, and site restoration consisting of leveling, compaction, and seeding for future use by the City's Building Commission. The project must be completed within 45 calendar days following the issuance of a Notice to Proceed. Award will be granted to the lowest responsible bidder who meets all mandatory specifications and responsiveness requirements. This project is funded in whole or in part by a HUD Community Development Block Grant (CDBG) and is subject to strict federal requirements, including the Davis-Bacon and Related Acts prevailing wage requirements under General Decision No. WV20260038. Contractors are required to submit weekly certified payroll reports and comply with Section 3 Equal Employment Opportunity, the ADA, and Section 504 of the Rehabilitation Act. Additionally, the contractor must adhere to EPA NESHAP and OSHA standards for asbestos and lead-based paint handling. Required submissions include a bid bond, performance bond, labor/material payment bond, and a Federal Funds Addendum Vendor Certification. Bids must be submitted via BidExpress or in a sealed envelope by November 13, 2026, at 1:00 PM EDT, as emailed bids are not accepted.

City of Charleston, WV

POSTED

DEADLINE

Trenchless Stormwater Pipe Lining (CIPP/Spin Casting)This subcontract involves the trenchless rehabilitation of existing corrugated metal pipes for stormwater projects managed by the Hall County Board of Commissioners in Georgia. The scope of work requires the cleaning of existing lines and the installation of liners for one 72-inch and one 24-inch pipe using either Cured-in-Place Pipe lining or spin casting techniques to deliver fully rehabilitated and sealed infrastructure. The selected contractor must possess specialized CIPP lining equipment and high-pressure jetting systems to complete the project. Interested parties should note that the response deadline is December 3, 2026, and the work falls under NAICS code 238910.

Hall County Board of Commissioners

POSTED

1 day ago

DEADLINE

in 26 days

AI Contract Overview

This subcontract for the Western Municipal Water District involves earthwork and slope reconfiguration for recycled water storage pond projects located at the March Air Reserve Base. The selected contractor will be responsible for reclaiming eroded land to restore roadway width, installing geotextile fabric with protective soil cover, and placing loose riprap and riprap-filled HDPE bags to deliver stabilized 2:1 slopes. All work must be performed in accordance with Section 02200 and Greenbook compliance standards. Eligible bidders must possess a valid CSLB license and DIR registration. The solicitation was posted on September 21, 2026, with a response deadline of October 15, 2026. This project falls under NAICS code 238910 and requires the contractor to work under prime contractors to ensure the successful restoration of roadway areas and slope stability.

General Info

Subcontract for earthwork and slope reconfiguration at March Air Reserve Base recycled ponds.

Agency

California → Western Municipal Water District

NAICS

238910 - Site Preparation Contractors

Place of Performance

March Air Reserve Base, CA, 92518, USA

Set-Aside

NONE

Documents

This scope was carved out of W-335.

The full solicitation package (5 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

WWRF Recycled Water Pond Erosion Prevention Project

AI Contract Breakdown

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Timeline

PhaseClosed

PostedSep 21

subcontract

Response DeadlineOct 15

Deadline has passed

Submission Closed

10/15/2026, 02:00:00 PM PDT

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Organization & Contact Information

AgencyCalifornia → Western Municipal Water District

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → Western Municipal Water District

Office AddressN/A

ContactsNo contact information available

Full Description

Performs earthwork and slope reconfiguration for prime contractors on WMWD recycled water storage pond projects. Reclaims eroded land to restore roadway width, places loose riprap and riprap-filled HDPE bags along slopes, and installs geotextile fabric with pins and protective soil cover per Section 02200. Requires CSLB license, DIR registration, and Greenbook compliance. Delivers stabilized 2:1 slopes and restored roadway areas.