This Subcontract opportunity from California was posted on July 7, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Site Grading, Stabilization, and Re-Vegetation

Closed

State & Local

Submission Closed08/13/2025, 05:00:00 PM PDT

Contract Overview

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

Active Opportunities Like This One

NAICS: 237990

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Open Cut Sewer RepairPM Construction & Rehab, LLC is seeking a subcontractor for an open cut sewer repair project focused on wastewater collection system rehabilitation in Mangham, Louisiana. The scope of work involves excavating soil to access damaged wastewater pipes, removing failed sections, installing new piping, and completing the process with backfilling and compaction. The selected contractor will be responsible for utilizing excavators, trench shoring, shields, and compaction equipment to ensure all repaired sewer line sections are restored to grade. This subcontract opportunity is open for responses until November 27, 2026. While open to qualified bidders, there is a preference for contractors with Disadvantaged Business Enterprise certification. The project falls under NAICS code 237990 and requires the delivery of fully restored infrastructure according to project specifications.

PM Construction & Rehab, LLC

POSTED

DEADLINE

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 requesting 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 a comprehensive range of services including mobilization, water control, bypass and dewatering, the installation of inlet and outlet structures, diversion piping, valves, fittings, riprap, grading, backfill, restoration, and final cleanup. This solicitation 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 opportunity 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 concrete structures. Additional requirements include professional services for land surveying, environmental consulting, materials testing, and SWPPP planning. The project also necessitates a significant amount of hauling and equipment support, including various dump trucks, water trucks, and street sweeping services. Interested parties must submit their responses by December 2, 2026. Primary inquiries and submissions should be directed to Andrew Burk.

Granite Construction Company

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 procurement opportunity falls under NAICS code 237990 and is managed through the agency's Virginia operations. Interested parties have until September 30, 2027, to submit their responses. Further details and bidding processes are accessible through the official WMATA supplier portal.

Washington Metropolitan Area Transit Authority

POSTED

DEADLINE

Solicitation # CP25014

The Lake Charles Harbor and Terminal District is soliciting bids for Project CP25014, which involves heavy construction port improvements for the Industrial Park East Rail Extension and Trans-loading Yard in Calcasieu Parish, Louisiana. The scope of work includes the design and construction of rail infrastructure, specifically proposed tracks TRK A and TRK B, and the installation of precast concrete crossing panels to replace wood ties. Additional requirements include clearing and grubbing, excavation, culvert bedding, and the installation of barbed wire fencing and double swinging driveway gates. The engineer's estimate for the base bid is $5,856,000, and awards will be based on the lowest price derived from the summation of quantities and unit bid prices. Bids are due by November 19, 2026, and must be submitted using the Louisiana Uniform Public Work Bid forms. The successful contractor will be required to provide performance and payment bonds from an A-rated surety and adhere to strict quality assurance standards, including DOTD specifications for embankment density and moisture content. The contract is based on calendar days, with stipulated damages of $1,000 per day for failure to meet the completion deadline and an additional $1,000 per day for uncompleted punch list items after 45 days. Financial terms include a retainage of 5% for contracts exceeding $500,000. Compliance with the Clean Air Act and Federal Water Pollution Control Act is required for subcontracts exceeding $150,000 financed via FEMA.

POSTED

DEADLINE

Storm Drainage and Culvert ImprovementsThis subcontract focuses on storm drainage enhancements and culvert work for roadway projects within the City of Smyrna, Georgia. The selected contractor will work under prime contractors to deliver an improved storm drainage system and complete two specific culvert improvement projects. The opportunity is categorized under NAICS code 237990 and was posted on November 13, 2026. Interested parties must submit their responses by the deadline of March 5, 2027.

POSTED

DEADLINE

2026008-RFP3819 Riverwood Park

Solicitation # 2026008-RFP3819

The Columbia County Board of Commissioners is soliciting proposals for the construction of Riverwood Park under solicitation number 2026008-RFP3819. The General Contractor is responsible for providing all labor, equipment, materials, and supervision to complete the project according to drawings and specifications provided by the architect, Goodwyn Mills Cawood. The comprehensive scope of work includes site demolition, clearing, and grading, as well as the installation of play structure assemblies, poured-in-place safety surfacing, splash pad equipment and plumbing, mountain biking trails, concrete paths, parking lots, site lighting, site furnishings, and landscaping improvements. To be eligible for award, bidders must possess a State of Georgia General Contractor's License and a Columbia County business license. Proposals must be submitted electronically via the Bonfire portal by December 10, 2026, and must include a bid bond drawn in favor of Columbia County, Georgia, for at least five percent of the lump sum bid. Letters of credit are not accepted. The successful contractor will be required to provide Performance and Payment Bonds within ten days of the contract award. All inquiries and proposals are managed through the Columbia County Procurement Department, with Glenn O'Steen serving as the Procurement Manager.

Columbia County Board of Commissioners

POSTED

DEADLINE

Site Utility InstallationThis subcontract for Site Utility Installation involves the installation of underground water, sanitary sewer, and storm drainage systems for prime contractors working on Richmond County Board of Education projects in Georgia. The scope of work includes trenching, pipe laying, manhole installation, and connecting to municipal mains utilizing concrete manholes, bedding sand, and PVC or ductile iron piping to deliver a fully functional utility network. Interested parties must possess a valid Plumbing/Utility contractor license to be eligible. The solicitation was posted on November 13, 2026, with a response deadline of December 10, 2026. This project falls under NAICS code 237990.

Richmond County Board of Education

POSTED

DEADLINE

MacKenzie Park Workout Stations Phase 2E

Solicitation # 262761

The Borough of West Conshohocken is soliciting sealed bids for the MacKenzie Park Workout Stations Phase 2E project, which involves the installation of workout equipment at six locations along the existing walking trail in MacKenzie Park. The scope of work includes providing all necessary labor, materials, tools, and equipment, as well as the installation of ADA handicap ramps and a project sign at the park entrance. The project must be completed within 90 consecutive calendar days from the commencement date, with liquidated damages of $500 per calendar day for delays. All work must comply with PA Prevailing Wage requirements, OSHA safety standards, and specific engineering specifications, including a minimum 28-day concrete compressive strength of 3,750 psi. Bids will be awarded to the lowest responsible bidder and must be submitted via the PennBid portal by 11:00 A.M. on December 4, 2026. Proposals must include a bid bond of at least 10 percent and a qualifications statement detailing similar work performed within the last five years. Successful bidders are required to provide Performance and Labor and Material Bonds for 100 percent of the contract amount, a Maintenance Bond for 25 percent, and a Certificate of Insurance. Additionally, contractors must sign a Nondiscrimination and Sexual Harassment Clause and provide a detailed project schedule for approval prior to the start of construction.

POSTED

DEADLINE

Unity Park Field Renovation

Solicitation # 6580

The Town of Trumbull is seeking competitive proposals from qualified firms to provide General Contracting services for the Unity Park Field Renovation project. The scope of work includes the removal of existing fencing, gates, backstops, clay infields, and turf, as well as the installation of a synthetic turf system and athletic equipment, including a 20-foot foul pole, in-ground bases, and a home plate forming system. The project is expected to begin around December 2026 and must be completed within 100 consecutive calendar days after the Notice to Proceed. The contract will be awarded to the lowest responsible qualified bidder based on the total proposal price, though the Town may consider other bidders if they offer an earlier completion date or expedited delivery. Key contractual requirements include a bid security of 10 percent of the base proposal and the provision of performance and payment bonds each totaling 100 percent of the contract price. Contractors must adhere to State of Connecticut prevailing wage guidelines, unless the low bid is under 100,000 dollars, and must comply with OSHA standards and non-discrimination policies. Liquidated damages of 1,100 dollars per day will be applied for delays beyond the completion date. Proposals must be submitted in a sealed envelope to the Purchasing Agent by December 4, 2026, and must include a work schedule, a statement of qualifications, and a non-collusion form. All materials must meet specific ASTM standards for steel and PVC coatings to ensure durability and salt-spray resistance.

POSTED

DEADLINE

Carroll Creek Stream Restoration - CIP# 350007 (MWBE Goals)

Solicitation # IFB-27-11

The City of Frederick is soliciting bids for the Carroll Creek Stream Restoration project (CIP# 350007), located near Old Gas House Pike and Fairview Cemetery in Frederick, Maryland. This comprehensive construction project involves in-stream structure installation, floodplain bench grading, bank stabilization, and extensive planting. The scope includes the installation of reinforced soil lifts, floodplain culverts, and various erosion and sediment controls. The project is estimated at approximately 6.88 million dollars and is expected to be completed within 180 days of the Notice to Proceed. Bidders must adhere to strict submission requirements via the OpenGov Portal, including a detailed electronic project schedule and a list of at least three equivalent projects completed within the last four years. The contract emphasizes socioeconomic goals, requiring 31 percent MBE, 11 percent WBE, and 2 percent SDVOSB participation. Financial security is mandated through a 5 percent bid bond, followed by 100 percent performance and materialmen bonds upon award, and a two-year maintenance bond upon final acceptance. The City will award the contract to the responsive vendor that best meets its needs based on technical capability, performance record, and integrity.

POSTED

DEADLINE

Hydraulic Structure Concrete Repair and Reconstruction

Holyoke Gas & Electric

POSTED

about 15 hours ago

DEADLINE

in 26 days

AI Contract Overview

This subcontract opportunity, titled Site Grading, Stabilization, and Re-Vegetation, is issued by Napa County in California. The project focuses on essential earthwork services, specifically requiring grading, erosion control, soil stabilization, and re-vegetation efforts centered around equipment pads and lagoons. The solicitation was posted on July 7, 2025, with a response deadline set for August 14, 2025. Classified under NAICS code 237990, the contract seeks qualified providers to ensure structural stability and environmental compliance for the designated site areas.