Psst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveCLEATUS Webinar: AI for Government Contracting — Free Webinar — Wednesday, October 28 at 2:00 PM ET

Register Free →

Search

Top

Back to Contracts

Site Grading & Earthwork

Active

State & Local

Contract Overview

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

AI Contract Overview

Show more

This subcontract for Site Grading and Earthwork involves providing comprehensive mass grading, excavation, and site preparation services for prime contractors on land development projects within Contra Costa County, California. The scope of work includes executing earthmoving for proposed grading and roadway extensions, implementing critical erosion control measures to protect nearby water features, and installing reinforced earth and retaining walls in strict accordance with geotechnical specifications. The contractor will utilize heavy earthmoving equipment to deliver a fully graded site and completed retaining wall installations. This project falls under NAICS code 238910 and is associated with performance in the 94549 zip code area.

General Info

Subcontract for site grading, excavation, and retaining wall installation in Contra Costa County.

Agency

California → Contra Costa County

NAICS

238910 - Site Preparation Contractors

Place of Performance

CA, 94549

Set-Aside

NONE

Documents

This scope was carved out of CDMS20-00010.

The full solicitation package (4 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Ariey Lane Minor Subdivision, Rezone, Prelim. & Final Dev. Plan; MS20-0010, RZ22-3264, & DP22-3002

AI Contract Breakdown

Uniform Contract Format

No documents to break down

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

Timeline

PostedJul 14

subcontract

Ready to pursue this opportunity?

Start your free trial to track this contract, build proposals with AI assistance, and manage your pipeline.

Organization & Contact Information

Show more

AgencyCalifornia → Contra Costa County

ContactsNo contacts available

OfficeN/A

Organization / Agency

California → Contra Costa County

Office AddressN/A

ContactsNo contact information available

Full Description

Show more

Performs mass grading, excavation, and site preparation for prime contractors on Contra Costa County land development projects. Executes earthmoving for proposed grading and roadway extensions, implements erosion control measures to protect adjacent water features, and installs reinforced earth and retaining walls per geotechnical specifications. Utilizes heavy earthmoving equipment. Delivers a graded site and installed retaining walls.

Similar Contracts

Same NAICS industry code

Solicitation # 26-037-CIP

The SportsOhio PowerPlay Demolition project, identified as solicitation 26-037-CIP, is a City of Dublin, Ohio, contract for the demolition and restoration of specific areas at 6314 Cosgray Road. The scope of work includes the removal of the Can-Am/go cart track, batting cages, a concrete seating pad, associated walkway connections, and a mini golf course. The project has an engineer's estimate of $259,606.50 and must be completed by April 30, 2027. Key technical requirements include adhering to the 2026 City of Dublin and City of Columbus Construction and Material Specifications, following National Electric and Safety Codes, and ensuring tree clearing occurs specifically between October 1 and March 31. Bids are submitted via Bid Express and are evaluated based on a lowest and best analysis, with a strong preference for Ohio-based bidders or those from reciprocal border states. Qualified bidders must provide a bid guaranty per the Ohio Revised Code, evidence of similar experience, and a noncollusion affidavit. The contract mandates the payment of prevailing wages and requires the use of domestic source end products. Payment is structured monthly at a rate of 95% until the work is 50% complete, after which the retention amount may be reduced at the City's discretion. All inspections are managed by the City of Dublin, though the contractor must coordinate utility abandonment inspections with AEP, Columbia Gas, and other communications companies.

City of Dublin, OH - Engineering

POSTED

about 12 hours ago

DEADLINE

Site Work, Grading, and LandscapingThis subcontract for Site Work, Grading, and Landscaping involves performing exterior improvements, site preparation, and irrigation services for prime contractors on Los Angeles Community College District campus projects. The scope of work includes executing comprehensive site work, landscaping, and both on-site and off-site improvements to deliver completed site enhancements. The selected contractor must strictly adhere to all District and Campus Standards as well as the Project Labor Agreement. This opportunity is based in Los Angeles, California, with a response deadline of November 25, 2026.

Los Angeles Community College District

POSTED

about 14 hours ago

DEADLINE

ITB-26-22 - City Center Sport Complex Ballfields Restoration

Solicitation # ITB-26-22-CW

The City of Port Orange has issued solicitation ITB-26-22-CW for the restoration and reconstruction of the City Center Sport Complex Ballfields. The project involves approximately 8 acres of developed parkland situated on a former municipal landfill. The scope of work includes the excavation and removal of the upper three feet of soil, the identification and lawful disposal of buried waste, the installation of a reinforced geotextile membrane, and the subsequent replacement of fill and topsoil. Additionally, the contractor will rebuild the ballfields, parking lot, and associated site improvements. The contract term is 395 days, and the City intends to award the project to the lowest responsive and responsible bidder based solely on the Base Bid. Eligible bidders must be certified General Contractors licensed in the state of Florida. The submission process requires a comprehensive package including a bid bond equal to 5 percent of the total bid, a bonding capacity letter for 100 percent of the bid amount, and various compliance affidavits covering E-Verify, non-collusion, and public entity crimes. Bidders must also provide professional references and a statement of qualifications. Technical specifications mandate that off-site manufactured materials be ISO 9000 certified and that all work adhere to OSHA and Florida Department of Commerce safety regulations. Final acceptance of the project is contingent upon a certified financial inspection by the city and written approval from the Project Architect.

POSTED

about 14 hours ago

DEADLINE

Well Decommissioning and InstallationThis subcontract for the Town of Pembroke in Massachusetts involves the decommissioning and abandoning of the existing Well 4 and the subsequent installation of a new replacement, Well 4R. The selected contractor will be responsible for drilling and completing the new well, as well as installing a town-furnished 75 HP pump, motor, and pitless adapter. The project requires the use of specialized drilling rigs and well capping equipment to ensure the delivery of a fully operational new well and a properly decommissioned old well. The work is located on Center Street in Pembroke, Massachusetts, under NAICS code 238910. Interested parties must submit their responses by the deadline of November 18, 2026. This project is designed to support prime contractors managing water utility infrastructure improvements for the municipality.

Town of Pembroke

POSTED

about 15 hours ago

DEADLINE

Concrete & Earthwork SubcontractorThis subcontract for the Port Hueneme Water Agency in California involves site preparation and concrete support work for City Desalter Improvement projects located in Oxnard. The selected subcontractor will be responsible for performing earthwork and excavation according to Section 31 23 16 and concrete placement per Section 03 05 00 to deliver a prepared site and the necessary concrete pads and supports for the filtration system. The opportunity was posted on October 27, 2026, with a response deadline of November 17, 2026. Classified under NAICS code 238910, this project requires a specialized subcontractor to support prime contractors in completing critical infrastructure improvements for the agency.

Port Hueneme Water Agency

POSTED

about 15 hours ago

DEADLINE

San Bernardino County Resiliency Upgrades

Solicitation # 20261026017

California Construction Authority

POSTED

about 16 hours ago

DEADLINE

Site Grading and Base ConstructionThis subcontract for Site Grading and Base Construction involves performing essential excavation and grading services for prime contractors on athletic field projects located in Milton, Massachusetts. The scope of work includes clearing and grubbing, rough grading, the installation of geotextile fabric, and the laying and compacting of crushed stone base layers. These activities are designed to ensure proper drainage and flatness, resulting in a stabilized sub-base ready for final turf installation. The project requires the use of specialized equipment, including excavators, graders, rollers, and crushed aggregate. Interested parties should note that the response deadline is November 10, 2026, with the work being performed at the Canton Avenue location in Milton. The contract falls under NAICS code 238910 and is managed through the Town of Milton.

POSTED

about 16 hours ago

DEADLINE

Interior Demolition & Site PrepThis subcontract opportunity involves interior demolition and site preparation for Army National Guard facility projects located in Harrisburg, Pennsylvania. The selected contractor will work under prime contractors to remove existing interior improvements, including the removal of abandoned electrical, telephone, and data cabling, as well as various fixtures and devices. The primary objective is to deliver a cleared, white box space that is fully prepared for new fit-out activities. Managed under the Department of Defense through the W2SD Endist Baltimore, the project falls under NAICS code 238910. Interested parties should note that the response deadline is November 12, 2026. The scope of work is focused specifically on the demolition and clearing phase to ensure the facility is ready for subsequent construction and installation.

W2SD Endist Baltimore

POSTED

about 18 hours ago

DEADLINE

Demolish Dormitory 2425

Solicitation # FA489727QSS11

FA4897 366 Cons Pkp

POSTED

about 18 hours ago

DEADLINE

Y--Hickman Wildlife Water Catchment and Pipe Fence

Solicitation # 140L1726Q0054

Solicitation 140L1726Q0054 is a Total Small Business Set-Aside request for quote issued by the Department of the Interior, Bureau of Land Management, for the Hickman Wildlife Water Catchment and Pipe Fence project in Socorro County, New Mexico. The project is a firm-fixed-price contract involving the demolition and removal of existing infrastructure and the construction of a 1,000 square-foot metal catchment consisting of two 20 by 25 foot structures with galvanized gutters and propanel tops. Additionally, the contractor is required to install two BOSS tanks and erect 1,000 linear feet of pipe-and-cable fencing. The updated period of performance is scheduled from November 17, 2026, to January 25, 2027. Award will be based on the most advantageous offer, with price serving as the primary factor, followed by technical approach, nongovernmental experience, and a detailed work breakdown schedule illustrating the critical path. Contractors must adhere to Davis-Bacon wage determinations for Socorro County and comply with OSHA, EPA, and ADA regulations. Key submission requirements include a signed SF 1442, a price schedule, and a payment bond or irrevocable letter of credit due within 10 days of award. The final deadline for proposal submission is November 9, 2026, at 3:00 PM ET, with a site visit scheduled for October 29, 2026, at the Socorro Field Office.

New Mexico State Office

POSTED

about 18 hours ago

DEADLINE

Earthwork and Site Preparation

City of Saint Paul

POSTED

DEADLINE

Demolition and Site Clearing

City of Saint Paul

POSTED

DEADLINE

Earlier notices in this NAICS code

Posted before this notice, open and closed

Earthwork, Backfill, and Compaction

Jurupa Community Services District

POSTED

DEADLINE

Earthwork & Grading

Mariposa County

POSTED

DEADLINE

Site Preparation & Demolition

Mariposa County

POSTED

DEADLINE

Vineyard Site Preparation and Earthmoving

POSTED

DEADLINE

Riprap and Erosion Control Installation

California Forestry and Fire Protection, Department of

POSTED

DEADLINE

Site Grading & Earthwork

POSTED

DEADLINE

Train Wash Facility Demolition

North County Transit District

POSTED

DEADLINE

Earthwork & Stream Restoration

California Los Angeles Department of Water and Power

POSTED

DEADLINE

Mud-Rotary Drilling and Soil Sampling

California State Lands Commission

POSTED

DEADLINE

Site Preparation and Surface Completion

State Water Resources Control Board

POSTED

DEADLINE

Water Well Drilling and Installation

State Water Resources Control Board

POSTED

DEADLINE

Stream Grading and Fill Services

Placer County Community Development Resource Agency

POSTED

DEADLINE

Ready to Pursue This Opportunity?

Get AI-powered intelligence on this solicitation and the ones like it

Every page of the solicitation package shredded into a compliance breakdown

AI-powered matching based on your capabilities and past performance

Competitor and incumbent history on the requirement

Automated alerts on amendments, Q&A deadlines, and award

Join 750+ contractors already using CLEATUS