This Subcontract opportunity from Department Of Defense was posted on January 12, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Earthwork and Site Preparation

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Federal

Submission Closed01/26/2026, 11:00:00 AM CST

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

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NAICS: 237990

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Request for Quote for The Recharge Master Plan Update at Montclair Basin

Solicitation # request-quote-recharge-master-plan-update-montclair-basin

Bosco Constructors, Inc. is soliciting quotes for the Recharge Master Plan Update at Montclair Basin located in California. The project focuses on improvements for Basin 2 and Basin 3, requiring specialized services including mobilization, water control, bypass and dewatering, the installation of inlet and outlet structures, diversion piping, valves, fittings, riprap, grading, backfill, restoration, and general cleanup. This opportunity is specifically set aside for certified and qualified small businesses, including DBE, SBA, and MBDA subcontractors and suppliers, with eligibility extending to VOSB, SDVOSB, WOSB, and HUBZone certified firms. Interested parties must submit their responses by November 23, 2026. Primary coordination for this solicitation is handled by Rafael Fonseca Jr.

Bosco Constructors, Inc.

POSTED

DEADLINE

Imperial Irrigation District – East Highline Reservoir

Solicitation # imperial-irrigation-district-east-highline-reservoir

Granite Construction Company is seeking quotes for the Imperial Irrigation District East Highline Reservoir project located in California. This solicitation is specifically open to qualified socioeconomic firms, including certified Small Business, Women-Owned Small Business, Minority Business, and Disadvantaged Business Enterprises. The scope of work is extensive, covering a wide array of materials and services such as crushed stone, sand, gravel, concrete, reinforcing steel, and lumber, as well as specialized labor for clearing, grading, excavation, erosion control, and electrical and signal installation. Additional requirements include professional services for environmental consulting, materials testing, and land surveying, along with a comprehensive need for various trucking services including bottom dump, transfer, and water trucks. Interested parties must submit their responses by December 2, 2026. Primary inquiries and submissions should be directed to Andrew Burk via the provided contact information.

Granite Construction Company

POSTED

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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 November 11, 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

Embankment and Beach Sand Installation

POSTED

DEADLINE

Site Clearing and Excavation ServicesThis subcontract for Site Clearing and Excavation Services involves performing essential site preparation for Virginia Department of Transportation roundabout projects located in New Kent County. The scope of work includes clearing, grubbing, and executing both regular and borrow excavation to achieve required grades, ensuring the site is fully prepared for subsequent drainage and pavement installation. The opportunity was posted on November 11, 2026, with a response deadline of December 16, 2026. Classified under NAICS code 237990, the contract is designed for providers capable of delivering graded and cleared sites to prime contractors operating under the Virginia Department of Transportation.

Virginia Department of Transportation

POSTED

DEADLINE

RFI-TOM-LOG26_01_Mise en place de répertoire de prestataires en BTP dans la Région de Tombouctou Cheick Abdoul Kader THERA - [email hidden]

Solicitation # RFI-TOM-LOG26_01

The International Organization for Migration (IOM) has issued Request for Information RFI-TOM-LOG26_01 to establish a directory of qualified Building and Public Works (BTP) service providers in the Tombouctou and Taoudenit regions of Mali. This prequalification process aims to identify capable suppliers for future competitive bidding across three primary categories: building construction and rehabilitation, drinking water supply system construction and rehabilitation, and the construction and rehabilitation of roads and annexed works such as bridges and culverts. As this is a pre-solicitation phase, pricing is not requested at this stage. Eligible bidders must be physically present in Tombouctou with their own facilities and must not be on the United Nations ineligibility list. Technical requirements include a minimum of five years of continuous activity in the BTP sector and the completion of at least two similar projects in Mali between October 2020 and October 2026. Financial capacity is evaluated based on cumulative revenue for 2023 through 2025, with providers categorized into three tiers based on thresholds of 60 million and 200 million XOF. Required documentation includes commercial registration, taxpayer cards, CNPS registration, and certified financial statements. Submissions must be delivered to the IOM Sub-Office in Tombouctou by November 24, 2026.

POSTED

DEADLINE

TRAVAUX D’AMÉNAGEMENT/REHABI DE QUATRE PÉRIMÈTRES AGRICOLES DE 4 HA (LOT 1 et 2)

Solicitation # UNDP-TCD-01048,1

This contract, issued by the UNDP, concerns the development and rehabilitation of four agricultural perimeters across the Ouaddaï and Wadi Fira provinces in Chad. The project is divided into two distinct lots. Lot 1 focuses on the Ouaddaï province, involving the capacity reinforcement of a 4-hectare agricultural perimeter for the FOCHAM Foundation and the rehabilitation of the water tower and solar system at the Abéché social center. Lot 2 covers the Wadi Fira province, encompassing the development of three agricultural perimeters totaling 17 hectares located in Echbara, Koukouré, and Boukouloum, including the construction of related works. Interested bidders must submit their offers electronically through the Quantum partner agencies portal. To ensure they receive updates regarding potential changes to requirements, applicants are encouraged to create a response project within the system. A preparatory conference is scheduled for November 17, 2026, via Microsoft Teams to provide further clarification. All inquiries and submissions should be managed through the official UNDP procurement channels.

POSTED

DEADLINE

Construction of Check Dam in Hazrat Omar Village, Ghazni Province and Rehabilita

Solicitation # UNDP-AFG-00909

The United Nations Development Programme is soliciting quotations for two infrastructure projects in Afghanistan under RFQ Ref No: UNDP-AFG-00909. The scope of work includes the construction of a check dam in Hazrat Omar village, located in the Nawa district of Ghazni Province, and the rehabilitation of an intake in Hostogan village, situated in the Roohani Baba/Zurmat district of Paktia Province. Qualified bidders must submit their technical and financial offers through the NextGenERP supplier portal by the specified deadline. The submission package requires adherence to detailed technical specifications, including a bill of quantities, work plan, feasibility study, and comprehensive plans for occupational health and safety, gender action, and social and environmental screening. All applications must be processed electronically via the official portal to be considered for evaluation.

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DEADLINE

Infrastructure and Upgrading with Maintenance Interventions for New Parking Near Area Office - Saida Area [email hidden]

Solicitation # PLD/PJ/BC/26/058

UNRWA is seeking bids for solicitation number PLD/PJ/BC/26/058 regarding infrastructure and upgrading with maintenance interventions for a new parking area near the Saida Area Office in Lebanon. Interested vendors must register through the United Nations Global Marketplace portal and express interest to access the full tender documentation. All bids and supporting documents must be submitted online before the specified deadline, as late submissions will not be accepted. Bids are scheduled to be opened on November 12, 2026, and the successful bidder will be notified via website correspondence. Any inquiries regarding the project should be submitted through the website correspondence tab to ensure clarifications are shared with all participating vendors.

POSTED

DEADLINE

The Ohio Department of Natural Resources is seeking proposals for the Lake Logan Dam Improvements project under solicitation number 49593. This SLED organization opportunity is categorized under NAICS code 237990, focusing on specialized construction activities related to dam infrastructure. The solicitation was posted on November 10, 2026, and requires all responses to be submitted by the deadline of November 20, 2026, at 7:00 PM. Interested parties can find further details and submission guidelines through the provided Bid Express link.

Ohio Department of Natural Resources

POSTED

DEADLINE

Tri Village Park Pier Construction (Choctaw Beach Fishing Pier)

Solicitation # 27-01

Walton County is soliciting bids for the construction of the Tri Village Park Pier, also known as the Choctaw Beach Fishing Pier, as part of a redevelopment project of a former fire station site on Choctawhatchee Bay. The scope of work requires the contractor to provide all labor, materials, and equipment to construct an ADA-accessible fishing pier and kayak launch in strict accordance with the April 29, 2026, construction plans. Other park improvements, such as parking, grading, and demolition, are excluded from this solicitation as they will be handled by County forces. The project must begin within ten business days of the Notice to Proceed, with substantial completion required within 120 calendar days and final completion within 30 days of the issuance of a punch list. The contract will be awarded to the responsible and responsive bidder who submits the lowest lump sum bid, with preference given to businesses maintaining a drug-free workplace program in the event of a tie. Bidders must submit their proposals via the e-Procurement Portal by December 10, 2026, and must include a notarized bid form, a declaration of subcontractors and suppliers, and a completed public entity crimes statement. The successful contractor is required to provide performance and payment bonds equal to the contract price and must adhere to Florida Prompt Payment Act standards and FDOT specifications for layout. The contractor maintains sole responsibility for construction methods, employee safety, and the protection of property throughout the project duration.

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This project involves comprehensive park improvements and stream corridor restorations at Ryerson Station State Park in Richhill Township, Greene County, Pennsylvania. The scope of work includes the construction of an access road, a new bridge over an old lakebed, a loop trail, parking facilities, pavilions, a play area, and a comfort station. Additionally, the project entails the installation of a pedestrian bridge, paddle craft launches, fishing docks, and necessary utility updates and extensions. The stream restoration component focuses on floodplain excavation, the construction of a main channel and kayak trail, bank armoring, the installation of habitat pools, and pond construction. With an engineer's estimate exceeding 1 million dollars, the solicitation sets specific participation goals of 17 percent for Small Diverse Businesses and 3 percent for Veteran Business Enterprises. This solicitation is issued by the Commonwealth of Pennsylvania Department of Conservation and Natural Resources.

Commonwealth of Pennsylvania - Department of Conservation and Natural Resources

POSTED

1 day ago

DEADLINE

in 20 days

AI Contract Overview

This subcontract opportunity, titled Earthwork and Site Preparation, is issued by the Department of Defense through the W071 Endist Kansas City. The project focuses on essential land development tasks, including clearing, grubbing, grading, excavation, and soil stabilization. These activities are specifically required for the construction and preparation of the Infantry Platoon Battle Course and the Range Operations and Control Area. The solicitation was posted on January 12, 2026, and requires responses to be submitted by January 26, 2026, at 5:00 PM. Classified under NAICS code 237990, the contract seeks qualified subcontractors to perform specialized site preparation and earthmoving services to support military training infrastructure.

General Info

Agency

Department Of Defense → W071 Endist Kansas City

NAICS

237990 - Other Heavy and Civil Engineering Construction

Place of Performance

Set-Aside

NONE

Documents

This scope was carved out of PANNWD-25-P-0000026040.

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

View the prime solicitation

Riley Infantry Platoon Battle Course Construction

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Timeline

PhaseClosed

PostedJan 12

subcontract

Response DeadlineJan 26

Deadline has passed

Submission Closed

01/26/2026, 11:00:00 AM CST

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Organization & Contact Information

AgencyDepartment Of Defense → W071 Endist Kansas City

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of Defense → W071 Endist Kansas City

Office AddressN/A

ContactsNo contact information available

Full Description

Clearing, grubbing, grading, excavation, and soil stabilization for the Infantry Platoon Battle Course and Range Operations and Control Area.

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Earthwork and Site Preparation

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