This Government Contract opportunity from California was posted on July 2, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Top

Site Grading and Earthwork

Closed

State & Local

Submission Closed07/23/2026, 12:00:00 AM UTC

Contract Overview

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

Active Opportunities Like This One

NAICS: 237990

New

Livorna Park Improvements Project

Solicitation # livorna-park-improvements-project

The Livorna Park Improvements Project is a comprehensive construction and renovation solicitation issued by Interstate Grading & Paving, Inc. for work located in California. The scope of work encompasses a wide array of site enhancements, including the renovation of concrete retaining walls, the installation of a playground, basketball and bocce courts, pedestrian walkways, and paving. Additional requirements include the construction of bathrooms, shade structures, a mist play area, fencing, and the installation of signage, benches, drinking fountains, and bike racks. The project also involves critical infrastructure work involving landscaping, irrigation, lighting, sewer, storm drains, plumbing, and electrical systems. This opportunity is designated as a set-aside for Small Businesses and Certified Disadvantaged Business Enterprises. The agency is specifically seeking participation from MBE, WBE, and LBE firms. Interested parties must submit their responses by the deadline of October 14, 2026. Primary coordination for this project is managed by Tina Marie, and the solicitation falls under NAICS code 237990.

Interstate Grading & Paving, Inc.

POSTED

DEADLINE

Solicitation # city-lomita

The City of Lomita has issued solicitation W-375 for a project located in Lomita, Los Angeles, California. This opportunity is managed through Dominguez General Engineering, Inc., with Christian Rosales serving as the primary point of contact. The project falls under NAICS code 237990, focusing on specialized construction activities. The solicitation is open for responses until October 20, 2026. This opportunity is specifically set aside for various small business designations, including Small Business, Small Disadvantaged Business, Women-Owned Small Business, Disadvantaged Business Enterprise, and Minority Business Enterprise certifications.

Dominguez General Engineering, Inc.

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, which pertains to other heavy and civil engineering construction. The notice was posted on October 4, 2026, and the deadline for responses is set for September 30, 2027. Interested parties can find further details and manage bids through the official WMATA supplier portal.

Washington Metropolitan Area Transit Authority

POSTED

DEADLINE

Lytton First Nation – Berm Construction

Solicitation # 24-3028C

Solicitation 24-3028C is for the construction of the Nohomeen Recovery Berm located at the Stein Subdivision in Stryen, Lytton, British Columbia, for the Lytton First Nation. The project involves significant earthworks and the installation of a retaining wall using lock block facing units with a minimum 28-day concrete strength of 20 MPa and a specific batter of 5 degrees. Key technical requirements include the use of Type I Engineered Fill and retained backfill, both compacted to 100 percent of the maximum density per ASTM D698 standards. The scope also includes the installation of 150mm perforated PVC toe and heel drains, vertical cleanouts, rodent guards, and a clear crush chimney drain, with NILEX 4545 non-woven geotextile required at soil interfaces. The project mandates strict environmental and cultural compliance, requiring adherence to Thompson-NOXLAND Regional District Bylaws and Department of Fisheries and Oceans Land Development Guidelines. Contractors must install silt fencing prior to excavation and ensure all soil removal is conducted by a company employing a qualified cultural assist. Quality assurance is managed through the Geotechnical Engineer of Record, who must approve the subgrade and wall bearing surface before wall construction begins. Additionally, the contractor is responsible for verifying wall batter every block course and limiting the use of heavy equipment to a minimum distance of 0.75 meters from the wall face. Responses to this solicitation are due by October 22, 2026.

POSTED

DEADLINE

Construction Management (ETC Infrastructure)

Maryland Transportation Authority

POSTED

DEADLINE

Site Work & Utility ExcavationThis subcontract opportunity for Site Work and Utility Excavation involves performing excavation and backfilling services for utility lines on Chicago Public Schools facility projects. The selected contractor will work under prime contractors to excavate, backfill, and compact utilities in strict accordance with Sections 31 23 16 and 31 23 17, ensuring the delivery of properly prepared utility trenches and compacted backfill. The solicitation was posted on October 2, 2026, with a response deadline of October 20, 2026. Classified under NAICS code 237990, this project is managed by Chicago Public Schools in Illinois. Interested parties can find further details and submission guidelines through the official Bonfire hub portal.

Chicago Public Schools

POSTED

DEADLINE

Site Preparation and ExcavationThis subcontract for Site Preparation and Excavation involves providing essential ground preparation, water management, and soil stabilization services for prime contractors working on British Columbia Hydro and Power Authority industrial facility projects. The scope of work includes executing excavation, dewatering, backfilling, and compaction to deliver a fully prepared and compacted subgrade site. The opportunity was posted on October 2, 2026, with a response deadline of October 27, 2026. Classified under NAICS code 237990, the contract is managed through the Province of British Columbia for projects associated with BC Hydro.

British Columbia Hydro and Power Authority

POSTED

DEADLINE

Contract 26-2 Furnace Creek Tank Painting

Solicitation # Contract 26-2

The Womelsdorf-Robesonia Joint Authority is soliciting sealed bids for Contract 26-2, which involves the interior and exterior painting of the Furnace Creek Tank, a 1,500,000-gallon welded steel ground water storage tank measuring 68 feet in diameter and 56 feet in height. The scope of work includes foundation joint and crack repair, incidental weld repairs, and coordination with the contractor awarded Contract 26-1 for metals rehabilitation. All work must be completed within 150 days from the Notice to Proceed and is subject to oversight by a retained third-party paint inspector. Bids must be submitted electronically via the PennBid program by 2:00 PM on October 21, 2026, and must include a bid bond or certified check for 10 percent of the bid price along with required financial statements, experience records, and various certifications. This project is funded through a Penn VEST Drinking Water State Revolving Fund loan and must comply with all associated loan requirements. It is strictly subject to the Build America, Buy America Act and the Federal Consolidated Appropriations Act, requiring that all iron, steel, manufactured products, and construction materials be produced in the United States. Additionally, the contract mandates adherence to Davis-Bacon Wage Rates and requires specific certifications regarding non-discrimination, equal employment opportunity, and contractor eligibility. The Authority reserves the right to award the contract to the bidder deemed to have provided the most advantageous bid.

POSTED

DEADLINE

The Cornerstone of Centerville South Phase I Public Improvements project is a civil and electrical construction solicitation issued by the City of Centerville, Ohio, with an engineer's estimate of $4,973,490.39. The scope of work includes the installation of conduits, structures, concrete drive aprons with curbs, seeding, mulching, and a design-build electrical component. The electrical portion requires the contractor to design and build the electrical service and associated conductors, including the installation of 22 decorative light fixtures, light pole bases, and specific connector kits. All work must adhere to the Ohio Building Code, N.E.C., N.F.P.A. Standard 70, and ODOT specifications, with a project completion date set for September 30, 2027. Bids are submitted as unit price proposals via Bid Express, with a final response deadline of October 13, 2026. The selection process evaluates the lowest and best bid based on project history, available resources, financial ability, and compliance with federal, state, and local laws, including Ohio Prevailing Wage and OSHA regulations. Required financial securities include a bid bond for the full amount of the bid or a 10 percent certified check, and a 100 percent performance bond upon award. Insurance requirements specify minimum coverage of $2,000,000 for Commercial General Liability, $1,000,000 for Auto, and $1,000,000 for Workers Compensation. Contract administration is managed by Oberer Construction Managers Ltd. on behalf of the City.

POSTED

DEADLINE

Smoky Lake County - Request for Proposal - GRAVEL PIT RECLAMATION

Solicitation # AB-2026-06075

Smoky Lake County is seeking proposals for the reclamation of a 16-hectare gravel pit located at NE 09-58-15 W4, with work scheduled for completion in Fall 2026. The scope of work includes equipment mobilization, stripping and burying deciduous tree regrowth under three metres, topsoil stripping, recontouring the area, and redistributing topsoil to a minimum depth of 15 centimeters. The final outcome must meet all requirements for provincial reclamation approval. Proposals must be submitted by September 15, 2026, and must include a company profile, a detailed technical approach with a timeline, a fee proposal, and a conflict of interest disclosure. Selected proponents are required to maintain both Commercial General Liability and Professional Liability insurance policies with minimum limits of two million dollars each. Evaluation will be based on experience and qualifications, pricing, and references, with the county reserving the right to select a vendor other than the lowest bidder.

POSTED

DEADLINE

Stabilization Pond and Aerobic Wetland ConstructionThis subcontract involves the construction and rehabilitation of stabilization ponds, sediment ponds, and aerobic wetlands for prime contractors working on Pennsylvania Department of Environmental Protection Bureau of Abandoned Mine Reclamation projects. The scope of work includes the installation of limestone beds, settling pond baffles, and impervious clay soil lining, as well as the cleaning and dewatering of existing ponds and overflow systems. All work must be performed in strict accordance with Technical Specifications No. 9-16 to ensure the successful delivery of treatment infrastructure. The opportunity is categorized under NAICS code 237990 and was posted on October 2, 2026, with a response deadline of October 8, 2026. This project is focused on environmental remediation within the state of Pennsylvania, requiring specialized expertise in water treatment infrastructure and mine reclamation standards.

Pennsylvania Department of Environmental Protection

POSTED

DEADLINE

Pierpont Nuisance Sand Removal

Solicitation # P-130000901

The City of San Buenaventura is soliciting proposals for solicitation number P-130000901 to perform nuisance sand removal from City-owned portions of Pierpont Beach between San Pedro Lane and Greenock Lane. This recurring project occurs twice annually, once in May and once in November, to satisfy a legal Settlement Agreement. The scope of work involves grading, removing, and hauling excess beach sand from up to 27 beach access lanes and the frontage of up to 17 private properties. Contractors must excavate sand wedges to specified limits, ensuring they remain no deeper than 6 inches above structural footings with a slope no more than 1:1.75, and transport the material to designated deposit sites while avoiding the tidal zone. Proposals are due by October 20, 2026, at 4:00 PM PST, and must be submitted as a sealed hard copy to the Purchasing and Contracts Division in Ventura, California. The City will award the contract based on the perceived best fit and best value, evaluating proposals on a scale of 0.0 to 15.0. Key requirements include compliance with Cal-OSHA safety standards, the California Manual on Uniform Traffic Control Devices, and a Biological Resource Assessment. Additionally, state prevailing wages for Ventura County apply to all workers. While a faithful performance bond is not required, a bid security of at least 10 percent may be requested, and a 5 percent credit is available for qualified Small Local Businesses.

City of San Buenaventura

POSTED

3 days ago

DEADLINE

in 16 days

AI Contract Overview

The contract titled Site Grading and Earthwork involves excavation, grading, and soil stabilization activities necessary for site preparation and foundation support at a location in Los Angeles. This subcontract is open for bids with a response deadline of July 23, 2026, and was posted on July 2, 2026. The NAICS code 237990 indicates it falls under other heavy and civil engineering construction, specifically related to earthwork and site development. The awarding entity is the California African American Museum under the State of California, though no specific office address or point of contact details are provided. Work must be performed at the designated site in Los Angeles, with no set-aside provisions noted for small businesses or other categories. Interested parties should submit proposals through the official California procurement portal before the deadline.

General Info

Site grading and earthwork contract in Los Angeles, bid due July 23, 2026, awarded by California African American Museum.

Agency

California African American Museum

NAICS

237990 - Other Heavy and Civil Engineering Construction

Place of Performance

Los Angeles, CA, USA

Set-Aside

NONE

Documents

This scope was carved out of 25762.

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

View the prime solicitation

CAAM RFP 25762 Marketing & Communications Services

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

PhaseClosed

PostedJul 2

subcontract

Response DeadlineJul 23

Deadline has passed

Submission Closed

07/23/2026, 12:00:00 AM UTC

Find active opportunities like this

Start your free trial to discover similar active contracts, track opportunities, and build proposals with AI assistance.

Organization & Contact Information

AgencyCalifornia African American Museum

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia African American Museum

Office AddressN/A

ContactsNo contact information available

Full Description

Excavation, grading, and soil stabilization for site preparation and foundation support.

Find Active Opportunities Like This

Get AI-powered intelligence on the opportunities still open

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