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

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Civil Site Grading and Excavation

Closed

State & Local

Submission Closed09/03/2026, 10:00:00 PM 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

SLED

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, indicating a focus on significant infrastructure improvements for the rail system. The notice was posted on October 10, 2026, and the deadline for responses is set for September 30, 2027. Interested parties can find further details and manage their bids through the official WMATA supplier portal.

Washington Metropolitan Area Transit Authority

POSTED

DEADLINE

ALTA, RIVERVIEW, AND KINGS CANYON HIGH WELL DRILLING PHASE

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

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

Anthony J. Prieto Water Well Drilling, Inc.

POSTED

DEADLINE

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. Additionally, the project requires the construction of bathrooms, shade structures, a mist play area, and the installation of signage, benches, fencing, drinking fountains, and bike racks. Essential infrastructure work is also required, covering landscaping, irrigation, lighting, sewer, storm drains, plumbing, and electrical systems. This opportunity is designated as a set-aside for Small Businesses and Disadvantaged Business Enterprises, with a specific interest in partnering with MBE, WBE, and LBE firms. Interested parties must submit their responses by the deadline of October 14, 2026. Primary coordination for the project is handled 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 solicitation is categorized under NAICS code 237990, focusing on specialized construction activities. This contract 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. The solicitation was posted on October 10, 2026, and requires a response by the deadline of October 20, 2026.

Dominguez General Engineering, 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 and submissions should be directed to Gio Marquez via the provided estimating email or phone contact.

Empire Equipment Service, Inc.

POSTED

DEADLINE

Murray Dam Near Term Repairs

Solicitation # K-27-2416-DBB-3-A

POSTED

DEADLINE

Mt. San Jacinto Community College Menifee Valley Campus Stadium & Field Increment 3

Solicitation # 20261008085

Mt. San Jacinto Community College District

POSTED

DEADLINE

The Ohio Department of Natural Resources is seeking proposals for the Cowan Lake Dam Improvements project under solicitation number 49359. This SLED organization contract falls under NAICS code 237990, focusing on specialized heavy civil engineering and construction activities required for the dam's enhancement. The solicitation was posted on October 9, 2026, and requires all responses to be submitted by the deadline of October 28, 2026, at 6:00 PM. Interested parties can find further details and submission guidelines through the Bid Express portal.

Ohio Department of Natural Resources

POSTED

DEADLINE

Civil Engineering & Site InfrastructureThis subcontract for Civil Engineering and Site Infrastructure involves performing essential civil engineering works for prime contractors on Forestry Commission onshore wind projects located in Northumberland. The scope of work focuses on critical site preparation and infrastructure development, including site clearing, the construction of roads specifically designed for turbine transport, foundation excavation, and the pouring of reinforced concrete turbine bases. These tasks are executed using specialized heavy earthmoving equipment and concrete piling rigs. The contractor is responsible for delivering fully completed site access roads and turbine foundations while maintaining strict adherence to all applicable construction health and safety standards. This project falls under NAICS code 237990 and is managed under the authority of the Forestry Commission.

POSTED

DEADLINE

Underground Utility Boring and Pipe InstallationThis subcontract for Underground Utility Boring and Pipe Installation supports prime contractors on projects for the Brunswick-Glynn County Joint Water & Sewer Commission in Georgia. The scope of work involves the boring and installation of complete in-place pipe systems ranging from 2 to 24 inches. Key technical requirements include performing pipe fusion with detailed logging and conducting comprehensive pressure testing to ensure system integrity. Qualified contractors must possess a Georgia underground utility contractor license and provide necessary specialized machinery, including HDD rigs and pipe fusion equipment. Final deliverables for the contract consist of fully installed and pressure-tested pipe systems, accompanied by detailed fusion logs and as-built bore profiles. The response deadline for this opportunity is November 10, 2026.

Brunswick-glynn County Joint Water & Sewer Commiss

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 project focuses on essential infrastructure including roadway extensions, sanitary sewer and water main installation, and comprehensive site electrical work. The electrical scope is a design-build effort encompassing the installation of light poles, fused and non-fused connector kits, and weather-resistant GFI receptacles. Civil requirements include the construction of concrete drive aprons with aggregate bases, pavement markings, and the installation of an irrigation system. All work must adhere to ODOT specifications, the Ohio Building Code, and NFPA Standard 70. This is a unit price contract awarded to the lowest and best bidder, with a project completion deadline of September 30, 2027. Bidders must submit proposals electronically via Bid Express, including a bid bond for the full amount or a 10% certified check. The successful contractor is required to provide a 100% performance bond and maintain liability insurance limits of $2,000,000 per occurrence for CGL and $1,000,000 for auto and workers compensation. Payment is structured as one partial payment per month, subject to a 6% retainer and the submission of certified payroll reports to ensure compliance with Ohio Prevailing Wage laws. Final acceptance is determined by the City and its Construction Manager, Oberer Construction Managers Ltd.

POSTED

DEADLINE

RESERVE BASIN MAINTENANCE DREDGING CONTRACT FOR SITES AT THE PHILDELPHIA NAVY YARD IN THE PUBLIC WORKS DEPARTMENT PENNSYLVANIA AREA OF RESPONSIBILIY

Solicitation # N4008526B0002

Solicitation N4008526B0002 is a sealed bid for maintenance dredging at the Philadelphia Navy Yard, specifically within the North Side (Wharf N) of the Reserve Basin and the Schuylkill River Access Channel. The project requires the removal of approximately 96,611 cubic yards of sediment using a sealed environmental clamshell bucket to ensure safe vessel maneuverability for the decommissioning of US Naval vessels. Dredging must reach a minimum depth of -30 feet MLLW, with a maximum over-dredge depth of -32 feet MLLW. The contract is a firm-fixed-price lump sum award based on the most advantageous price and price-related factors, with a total performance period of 270 calendar days from the date of award receipt. Key operational constraints include a strict environmental window prohibiting dredging between March 1 and June 30, 2026, and a required minimum daily production rate of 2,500 to 5,000 cubic yards. The contractor is responsible for disposing of dredged material at approved offsite facilities, with pre-acceptance letters indicating capacity at sites such as Biles Island. Compliance requirements include adherence to the Davis-Bacon Act for prevailing wages, strict quality control management involving independent third-party teams, and the use of the PIEE Solicitation Module for all electronic bid submissions. Award is subject to a responsibility determination involving the review of financial statements, bonding capacity, and past performance on similar dredging projects.

Navfacsyscom Mid-Atlantic

POSTED

1 day ago

DEADLINE

in 3 months

AI Contract Overview

This subcontract opportunity, titled Civil Site Grading and Excavation, is issued by Municipal Services-Engineering in California. The project focuses on providing essential earthwork, grading, trenching, and excavation services required for municipal infrastructure or general site development. The solicitation was posted on August 12, 2026, and requires responses to be submitted by the deadline of September 3, 2026. Classified under NAICS code 237990, this contract is designed for specialized site preparation and civil engineering support.