This Government Contract opportunity from Iowa was posted on June 19, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Site Grading and Earthwork

Closed

State & Local

Submission Closed07/09/2026, 07:00:00 PM UTC

Contract Overview

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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Federal

Mechanical Dredging OperationsThis subcontract for Mechanical Dredging Operations involves the removal of material for prime contractors on US Army Corps of Engineers maintenance dredging projects located in the Isle au Haut Thoroughfare. The selected contractor will utilize mechanical dredges to execute a Dredging Operation Plan, ensuring the delivery of a dredged channel that meets all specified depth and slope requirements while carefully managing overdepth and side slopes. The project is set aside for small businesses under NAICS code 237990 and is managed by the Department of Defense through the W2SD Endist New England. All operations must strictly adhere to the National Dredging Quality Management Program and USACE EM-385-1-1 safety standards. The response deadline for this opportunity is November 2, 2026.

W2SD Endist New England

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Maintenance Dredging of the Isle au Haut Thoroughfare near Isle au Haut, Maine

Solicitation # W912WJ27BA003

Solicitation W912WJ27BA003 is a sealed bidding procurement issued by the Department of Defense, W2SD Endist New England, for the maintenance and advance maintenance dredging of the Isle au Haut Thoroughfare Federal Navigation Project in Maine. The project requires the mechanical removal of approximately 3,355 cubic yards of highly compacted coarse sand, gravel, cobbles, and small boulders to achieve a depth of -7 feet Mean Lower Low Water, with an allowable overdepth of one foot. All dredged material is to be transported and placed at the Flake Island Disposal Site to enhance juvenile lobster and cod habitats. To protect benthic resources and federally managed species, dredging and disposal activities are restricted to an environmental window between September 15, 2026, and March 1, 2027. This is a total small business set-aside under NAICS code 237990, with the contract awarded to the lowest responsive and responsible bidder. Key performance requirements include maintaining a minimum production rate of 4,000 cubic yards every 30 calendar days and submitting a project schedule within five days of the Notice to Proceed. The contractor must implement a comprehensive quality control system compliant with FAR 52.246-12 and host a partnering session within 45 days of award. Submissions must be made electronically via the Procurement Integrity Enterprise Environment portal by November 2, 2026. Compliance with NIST SP 800-171 cybersecurity standards and various federal security and labor regulations is mandatory.

W2SD Endist New England

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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, and the installation of signage, benches, fencing, drinking fountains, and bike racks. The project also involves critical infrastructure work such as landscaping, irrigation, lighting, sewer, storm drain, 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.

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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 starting October 5, 2026, with a final submission deadline of October 20, 2026. This contract is specifically set aside for small businesses, including SAM.gov designated Small Disadvantaged Businesses, SBA certified Women-Owned Small Businesses, and certified Disadvantaged or Minority Business Enterprises.

Dominguez General Engineering, Inc.

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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, indicating a focus on large-scale infrastructure improvements for the rail system. The notice was posted on October 5, 2026, and establishes a response deadline of September 30, 2027. Interested parties can find further details and manage their bids through the official WMATA supplier portal.

Washington Metropolitan Area Transit Authority

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Joe Orduño Park - Tennis Courts Renovation Project

Solicitation # 2027-RFB-00000006

The City of San Luis, Arizona, is soliciting proposals for the Joe Orduño Park Tennis Courts Renovation Project under solicitation number 2027-RFB-0000006. The project involves the comprehensive renovation of two existing tennis courts, including the removal of deteriorated coatings, repairing concrete slabs, and installing a 100 percent acrylic surfacing system in blue and green with white lines and APS logos. Additional scope includes rehabilitating chain-link fencing and gates, replacing net posts and hardware, reinstalling north-side shade fabric, and constructing a new 4-foot-wide concrete sidewalk connection. All work must adhere to Maricopa Association of Governments Uniform Standard Specifications and the 2009 City of Yuma Construction Standard Detail Drawings, with a final completion deadline of December 30, 2026. Bidders must possess an active Arizona commercial A General Engineering Contractor license or an equivalent ROC classification. Proposals must be submitted via the Procurement Portal by October 26, 2026, and must include a bid security of 10 percent of the total bid amount via certified check, cashier's check, or bid bond. The successful contractor is required to provide performance and payment bonds per Arizona Revised Statutes and maintain significant insurance coverages, including 6 million dollars in general liability and 1 million dollars in professional liability. The City will retain 10 percent of progress payments as performance insurance, with half released upon 50 percent project completion. Evaluation for award will be based on the bidder's competency, responsibility, and proper licensing.

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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.

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Construction Management (ETC Infrastructure)The Construction Management (ETC Infrastructure) subcontract focuses on the physical installation and construction of tolling and V2X hardware across Maryland Transportation Authority infrastructure projects. The selected provider will be responsible for coordinating field crews, managing construction schedules, and ensuring all hardware is installed according to strict technical specifications. Key deliverables include the submission of regular construction progress reports and the procurement of final installation sign-offs. This opportunity is categorized under NAICS code 237990 and is open for responses until December 7, 2026. Interested parties can find further details through the Maryland eMMA portal. The contract serves as a critical support function for prime contractors to ensure the successful deployment of electronic toll collection and vehicle-to-everything communication systems.

Maryland Transportation Authority

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Pinto Lake Dock Replacement Project

Solicitation # PK-26-09064-QB

The Pinto Lake Dock Replacement Project, solicitation PK-26-09064-QB, is a purchase order agreement issued by the City of Watsonville Parks and Community Services Department. The project involves the demolition of approximately 235 linear feet of damaged dock panels and the installation of a new, fully functional EZ Dock floating dock system, including gangway components, piling brackets, edging, cleats, and bumpers. The contractor is responsible for all mobilization, site preparation, and the legal disposal of all removed materials. Work must be completed within 15 working days of the Notice to Proceed, with an engineer's estimate valued at 170,000.00 dollars. The contract will be awarded to the lowest responsible bidder based on the total of all lump sum line items. Qualified vendors must be licensed under California Contractor License Law, registered with the Department of Industrial Relations, and possess a City of Watsonville Business License. Bidders must submit their proposals electronically via the OpenGov Procurement portal by November 2, 2026. Key requirements include compliance with Santa Cruz County prevailing wage rates, the provision of construction performance and payment bonds, and adherence to SOBA and ADA guidelines for handrails. Final payment is contingent upon a final inspection and formal acceptance by the City Clerk.

Parks & Community Services

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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

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Site Work and Grading

Griffin-spalding County Land Bank Authority

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

3 days ago

DEADLINE

in 22 days

AI Contract Overview

The contract titled Site Grading and Earthwork involves excavation, grading, and compaction activities to prepare a site for foundation work and utility installations. It is issued as a subcontract under the NAICS code 237990 and is managed by the Iowa Department of Administrative Services with the place of performance located in Des Moines. The solicitation was posted on June 19, 2026, and interested parties must submit responses no later than July 9, 2026, at 7:00 PM. The contract does not specify a set-aside type or any additional organizational details, and no point of contact information is provided. All relevant details and submission instructions can be accessed through the official bid portal linked in the contract data.