This Subcontract opportunity from Maryland was posted on May 29, 2024. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Excavation and Trenching Support

Closed

State & Local

Submission Closed06/17/2024, 08:00:00 PM EDT

Contract Overview

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

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NAICS: 238910

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Vallejo Ferry Terminal Reconfiguration Project

Solicitation # 25-053

The Vallejo Ferry Terminal Reconfiguration Project, solicitation number 25-053, is a construction effort managed by Manson Construction for the Water Emergency Transportation Authority in California. The project involves comprehensive improvements to the Vallejo Ferry Terminal, including in-water construction and demolition, the creation of new and refurbished structures, the extension and relocation of utilities, and the final placement of the WETA Standard Float. The scope of work encompasses a wide range of technical disciplines, including piling, diving, environmental monitoring, and the installation of reinforcing steel, ready-mix and cast-in-place concrete, fabricated miscellaneous metals, aluminum walkways, and rubber fenders. Additionally, the project requires the installation of mechanical, plumbing, electrical, communications, and security systems utilities. This opportunity is specifically set aside for Disadvantaged Business Enterprises and Small Business Enterprises under NAICS code 238910. Interested subcontractors and suppliers must submit their bids and quotes by November 20, 2026, at 5:00pm PST. Detailed requirements and specifications for the project are outlined in the Bridging Documents available through the WETA website. Proposals should be directed to Manson Construction via their designated procurement contact or submitted to their Richmond, California office.

Manson Construction Co.

POSTED

DEADLINE

Site Demolition and SiteworkThis subcontract for Site Demolition and Sitework involves performing exterior site demolition and earthwork for prime contractors on renovation projects for Saline Area Schools in Michigan. The scope of work includes clearing land, performing grading, and removing site obstructions to deliver a fully prepared site for subsequent exterior improvements. The opportunity was posted on November 14, 2026, with a response deadline of December 2, 2026. Classified under NAICS code 238910, the project is managed through the state of Michigan's procurement system.

POSTED

DEADLINE

Roof Removal and Substrate PreparationThis subcontract for Detroit Public Schools in Michigan focuses on roof removal and substrate preparation for local school district roof replacement projects. The selected contractor is responsible for tearing off existing roofing materials and preparing the substrate for prime contractors, specifically covering steep slope roofing and general substrate preparation. The ultimate goal is to deliver a cleared roof deck that is fully prepared for the installation of new insulation and underlayment. The opportunity was posted on November 14, 2026, with a response deadline of November 20, 2026. The work will be performed in Detroit and falls under NAICS code 238910.

Detroit Public Schools

POSTED

DEADLINE

SR 132 West Interchange – Right of Way Clearance and Preparation

Solicitation # 26-S03

Contract No. 26-S03 is a solicitation issued by the Stanislaus Council of Governments for right-of-way clearance and preparation for the State Route 132 West Interchange in the City of Modesto and unincorporated Stanislaus County. The scope of work includes building removal, debris and appurtenances removal, and comprehensive hazardous material abatement, specifically targeting asbestos-containing materials and lead-based paint across multiple residential properties. Site preparation requirements include universal waste segregation, utility infrastructure capping, septic tank destruction, engineered lift backfilling, and structural section grading. The project is administered through individual property task orders and independent notices to proceed, with a performance duration of 45 working days per property. The contract will be awarded to the lowest responsible bidder holding a Class A General Engineering or Class B General Building Contractor license. Bidders must provide a bid security of at least 10 percent of the bid amount, and the successful contractor will be required to provide 100 percent performance and payment bonds. Compliance with federal and state regulations is mandatory, including the payment of prevailing wages, adherence to Buy America requirements for iron, steel, and manufactured products, and strict following of Cal/OSHA and NESHAP standards for hazardous waste packaging and labeling. All proposals must be submitted electronically via the OpenGov portal by November 23, 2026.

POSTED

DEADLINE

SR 132 West Gates to Dakota – Right of Way Clearance and Preparation

Solicitation # 26-S04

Solicitation 26-S04, managed by StanCOG for the SR 132 West Gates to Dakota project in California, involves right-of-way clearance and preparation with an estimated construction cost of less than $1,100,000. The scope of work includes the removal of orchards, trees, and vegetation, as well as the demolition of structures, foundations, and septic systems at 4130 Kansas Avenue and 835 North Hart Road. The project covers 20 base parcels and four additive-alternate parcels, requiring the removal of appurtenances such as driveways, wells, and tanks. Specialized tasks include hazardous material abatement for asbestos and lead, with a $25,000 allowance per structure, and strict requirements for the packaging, labeling, and disposal of asbestos waste. The contract mandates a 45-working-day duration per property, with work beginning within 15 calendar days of a Notice to Proceed. Bidders must provide a 10% bid security and 100% performance and payment bonds. Compliance requirements include adhering to Federal Wage Rates, Buy America standards, and non-discrimination laws. Technical specifications require the use of state-certified laboratories for water quality sampling and a Lead Compliance Plan for safety. Bids must be submitted as a single PDF via the OpenGov portal by December 2, 2026, with the physical bid security delivered to the Modesto office.

POSTED

DEADLINE

Demolition and Concrete Removal ContractorThis subcontract opportunity is for a Demolition and Concrete Removal Contractor to support prime contractors on City Alamo Event Center projects. The selected contractor will be responsible for the demolition, removal, and disposal of existing concrete slabs, foundations, and general construction debris using heavy equipment. The primary objective is to deliver a cleared site ready for new construction while ensuring full compliance with all local disposal regulations. The solicitation was posted on November 13, 2026, with a response deadline of December 14, 2026. This project falls under NAICS code 238910 and is associated with the City of Alamo in Georgia. Interested parties can find further details through the Georgia Department of Administrative Services portal.

POSTED

DEADLINE

Site Preparation, Earthwork, and Stormwater ImprovementsThis 8A subcontract, issued by Wharton-Smith, Inc., focuses on site preparation, earthwork, and stormwater improvements for projects associated with the Island Water Association, Inc. The scope of work includes comprehensive site clearing, excavation, selective alterations, and the demolition of existing equipment. Additionally, the contractor is responsible for trenching, hauling, dewatering, and the installation of stormwater systems, utilizing stabilization fabric, riprap, and gabions to ensure effective erosion control and a site ready for structural construction. The opportunity is specifically set aside for SBA certified Women-Owned Small Businesses, SAM.gov designated Small Disadvantaged Businesses, and Department of Transportation Disadvantaged Business Enterprises under NAICS code 238910. Interested parties must submit their responses by the deadline of December 3, 2026.

POSTED

DEADLINE

Directional BoringThis subcontract opportunity is for directional boring services to support the Highlands Homes Water Distribution System Upgrades in Sebring, Florida. The selected contractor will work under prime contractors to perform horizontal directional drilling for road crossings, allowing for the installation of pipe without the need for open trenching. The primary deliverable for this project is the successful installation of these pipe crossings. The contract is issued by Murphy Pipeline Contractors, LLC and is specifically set aside for Disadvantaged Business Enterprises under the Department of Transportation. It falls under NAICS code 238910. Interested parties should note that the solicitation was posted on November 13, 2026, with a response deadline of November 23, 2026.

Murphy Pipeline Contractors, LLC

POSTED

DEADLINE

Site Work and PreparationThis subcontract opportunity, issued by Caldwell Tanks, Inc., involves site preparation, excavation, and grading for water tank construction projects located in Suamico, Wisconsin. The selected contractor will be responsible for executing general site work and grading for the tank foundation and the surrounding area to ensure the site is fully prepared for tank installation. The solicitation is set aside for small businesses, including SBA certified Women-Owned Small Businesses, HUBZone Small Businesses, and Disadvantaged Business Enterprises. Interested parties must submit their responses by December 9, 2026, under NAICS code 238910.

POSTED

DEADLINE

Trench Backfilling and Granular FillThis subcontract opportunity involves the supply and installation of backfill materials for utility trenches on City of Naperville projects. The selected contractor will work under prime contractors to perform trench backfilling and the installation of additional granular fill, utilizing compacted soil and granular materials in strict accordance with City of Naperville Standard Specifications to deliver stabilized trenches and sites. The project is managed by the Illinois Public Utilities Water division under the Department of Public Works. Interested parties must submit their responses by the deadline of January 14, 2027. This procurement falls under NAICS code 238910, focusing on specialized site work and material installation for municipal utility infrastructure.

Public Utilities (Water) | DPU-W

POSTED

DEADLINE

Site Preparation and EarthworkThis subcontract for Site Preparation and Earthwork involves providing site demolition, clearing, and grading services for park projects managed by the Columbia County Board of Commissioners in Georgia. The scope of work includes the removal of existing structures and obstructions, land clearing, and precision grading using heavy machinery such as excavators, bulldozers, and graders to ensure the site is ready for construction according to project specifications. The opportunity was posted on November 13, 2026, with a response deadline of December 10, 2026. Classified under NAICS code 238910, the contract requires the selected provider to work under prime contractors to deliver a fully cleared and graded build site.

Columbia County Board of Commissioners

POSTED

DEADLINE

Site Clearing and GradingThis subcontract for Site Clearing and Grading supports the Richmond County Board of Education in Georgia. The selected contractor will be responsible for comprehensive land preparation, including clearing vegetation, grubbing, excavation, and rough grading to meet specific plan elevations. The scope of work involves stripping soil, performing compaction testing, and utilizing heavy machinery such as dozers, graders, and excavators, along with materials like geotextiles and fill dirt, to deliver a site ready for foundation work. To qualify for this project, contractors must hold a General Engineering license and ensure strict adherence to local erosion control and environmental regulations. The solicitation was posted on November 13, 2026, with a response deadline of December 10, 2026. This opportunity falls under NAICS code 238910 and is designed for firms capable of delivering a fully graded and compacted site for prime contractors.

Richmond County Board of Education

POSTED

1 day ago

DEADLINE

in 26 days

AI Contract Overview

The City of Hagerstown in Maryland is seeking a subcontractor for excavation and trenching support. The scope of work focuses on utility-related operations, specifically requiring expertise in excavation, backfill operations, shoring, dewatering, and the compaction of sub-base materials. This opportunity was posted on May 29, 2024, and falls under NAICS code 238910. Interested parties must submit their responses by the deadline of June 18, 2024.