This Subcontract opportunity from California was posted on July 31, 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 Closed08/31/2026, 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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Request for Quote for The Recharge Master Plan Update at Montclair Basin

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

Bosco Constructors, Inc.

POSTED

DEADLINE

Imperial Irrigation District – East Highline Reservoir

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

Granite Construction Company is seeking quotes from qualified socioeconomic firms for the Imperial Irrigation District East Highline Reservoir project located in California. This solicitation is specifically open to certified Small Business, Women-Owned Small Business, Small Disadvantaged Business, and Disadvantaged Business Enterprise firms. The scope of work is extensive, covering a wide array of materials and services including the supply of crushed stone, sand, gravel, concrete, reinforcing bar, lumber, and fencing, as well as specialized labor for clearing, grading, roadway and structure excavation, and erosion control. Additional requirements include professional services such as environmental consulting, materials testing, land surveying, and SWPPP planning. The project also necessitates significant hauling and equipment support, including various dump truck types, 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 at Granite Construction Company.

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 solicitation is categorized under NAICS code 237990, which pertains to specialized trade contractors. Interested parties have until September 30, 2027, to submit their responses. Further details and bidding information can be accessed through the official WMATA supplier portal.

Washington Metropolitan Area Transit Authority

POSTED

DEADLINE

Lake Embankment Stabilization and Erosion ControlThis subcontract for Lake Embankment Stabilization and Erosion Control is issued by the Illinois Office of Realty and Capital Planning for projects under the Department of Natural Resources. The selected contractor will support prime contractors by performing critical stabilization work to prevent structural failure and erosion, utilizing methods such as the installation of riprap, geotextiles, shoreline armoring, and soil nailing. The scope of work requires the use of heavy earthmoving machinery and specialized anchors while maintaining strict adherence to environmental protections and natural resource guidelines for waterways. The opportunity was posted on November 9, 2026, with a response deadline of November 24, 2026. Classified under NAICS code 237990, the primary objective of the contract is the delivery of fully stabilized lake embankments that meet all agency specifications.

REALTYCAPPLAN422 - Office of Realty and Capital Planning

POSTED

DEADLINE

CHANGE ORDER NOTICE: DNR Carlyle Lake- Stabilize Riverside Embankment (3 locations)

Solicitation # 26-422DNR-REALT-P-99967

This change order notice, solicitation number 26-422DNR-REALT-P-99967, pertains to the stabilization of riverside embankments at three specific locations within Carlyle Lake. The project is managed by the State of Illinois through the Office of Realty and Capital Planning under the Department of Natural Resources. The notice was posted on November 9, 2026, with a response deadline set for November 24, 2026. The procurement is handled by the state agency, with Kara Glaub and Megan Dalton serving as the primary points of contact for purchasing and administration. While the specific scope of work, pricing, and performance periods are not detailed in the provided documentation, the action is categorized as a special notice regarding the stabilization of the lake's embankments.

REALTYCAPPLAN422 - Office of Realty and Capital Planning

POSTED

DEADLINE

Ditch Cleaning and ReshapingThis subcontract focuses on ditch cleaning and reshaping services for prime contractors operating on Texas Department of Transportation maintenance projects within the Dallas District. The scope of work involves the removal of sediment, vegetation, and debris from roadside ditches, followed by the reshaping of slopes and bottoms. These activities are designed to restore essential drainage capacity and ensure all work aligns with TxDOT geometric and standard specifications. The project requires the use of heavy machinery, including excavators, backhoes, and grading equipment, to achieve the necessary results. Interested parties should note that the response deadline for this opportunity is December 3, 2026. The contract falls under NAICS code 237990 and is managed through the Texas Department of Transportation.

Texas Department of Transportation

POSTED

DEADLINE

Water Treatment Plant Maintenance Package ‘A’ Degasifier Package (Project No. 25-4261A)

Solicitation # IFB-395-26-JM

The City of Hollywood, Florida, is soliciting bids for the Water Treatment Plant Maintenance Package A Degasifier Package (Project No. 25-4261A). The scope of work involves the replacement of packing media in three degasifier units (units 2, 3, and 4) at the Water Treatment Plant located at 3441 Hollywood Boulevard. Key technical requirements include power washing vessel interiors, replacing media support grids and differential pressure gauges, vessel disinfection, and resealing access doors. To ensure continuous plant operation, work must be performed on one unit at a time. The project requires the use of NSF 61 certified polypropylene media and mandates that the prime contractor hold an active Florida General Contractor license. The contract will be awarded to the lowest responsive and responsible bidder based on price, qualifications, and past performance. Bids must be submitted electronically via the OpenGov portal, with a final submission deadline of November 18, 2026. The project timeline specifies substantial completion within 180 calendar days and final completion within 210 calendar days from the Notice to Proceed, with liquidated damages set at 500 dollars per day. Financial requirements include a bid guaranty of 5 percent of the bid, and the successful contractor must provide performance and payment bonds for 100 percent of the contract price. Comprehensive insurance coverage is required, including Commercial General Liability, Pollution Liability, and Commercial Automobile Liability, with the City of Hollywood named as an additional insured. The pricing structure consists of lump sum items for mobilization and demobilization, a fixed City Contingency Allowance of 86,000 dollars, and unit prices for the procurement of 3.5-inch and 2-inch packing media and equipment cleaning services. Additionally, the project is subject to federal prevailing wage requirements and compliance with Executive Order 11246 regarding equal employment opportunity.

POSTED

DEADLINE

Foundation and Banking Seat RefurbishmentThis subcontract involves the refurbishment of existing foundations and banking seats for rail infrastructure projects managed by Wigan Council. The selected contractor will work under prime contractors to perform structural repairs and refurbishment using concrete, reinforcement steel, and grout to ensure the foundations can support new trestles. The primary objective is the delivery of fully refurbished, load-bearing structures. To be eligible for this work, contractors must maintain RISQS registration to ensure safe access to operational railway environments and must strictly adhere to CDM 2015 compliance standards. The solicitation was posted on November 9, 2026, with a response deadline of November 27, 2026.

POSTED

DEADLINE

Floodwall and Barrier ConstructionThis subcontract involves the construction of approximately 14,000 linear feet of coastal storm risk management barriers for the USACE Charleston District. The scope of work includes the installation of floodwalls, barriers, closures, and deployable features, with a specific focus on structural tie-ins, foundations, and the delivery of usable increments of the Westside wall system. All work must be performed using heavy civil construction equipment and deployable floodgate systems in strict accordance with USACE structural specifications. Managed under the Department of Defense, the project is categorized under NAICS code 237990 and will be performed in the 29403 zip code area. Interested parties must note the response deadline of November 23, 2026, for this specialized infrastructure effort aimed at enhancing coastal protection.

W074 Endist Charleston

POSTED

DEADLINE

GAOA Grizzly Bear Campground

Solicitation # 127EAX27Q0004

Solicitation 127EAX27Q0004 is a Request for Quotation issued by the Black Hills National Forest under the Department of Agriculture for comprehensive updates to the Grizzly Bear Campground in South Dakota. This firm fixed price acquisition is a total small business set-aside under NAICS code 237990. The scope of work includes adjusting road alignments, enhancing subbases, and replacing the pumphouse, service lines, distribution lines, and point-of-use hydrants. Additional requirements involve redesigning campsites for accessibility and functionality, equipping host and volunteer sites with water, electric, and sewage services, and constructing a new stick-built double toilet and pump house. The project also emphasizes the preservation of historical Civilian Conservation Corps elements, such as stone pavilions and drainage structures, and requires adherence to ABA and ADA accessibility standards. The period of performance is scheduled from November 30, 2026, to December 10, 2027, with a response deadline of November 5, 2026. Award will be based on a comparative evaluation of best value, considering relevant experience, past performance from the last five years, and fair and reasonable pricing. Key deliverables include site work for campsites, the new pumphouse and toilet buildings, water system installations, signage, and gates. Contractors must provide an onsite superintendent at all times and engage an independent geotechnical engineering testing agency for quality control. Submissions must include a priced schedule of items, a technical approach, and five relevant past performance references.

Black Hills National Forest

POSTED

DEADLINE

Pensacola Harbor Navigation Channel Maintenance Dredging

Solicitation # W9127827BA002

Solicitation W9127827BA002 is an Invitation for Bid issued by the Department of Defense, W074 Endist Mobile, for the Pensacola Harbor Navigation Channel Maintenance Dredging project in Escambia County, Florida. The project requires maintenance dredging from Station 202+00 to 301+00, extending from lower Pensacola Bay through Pensacola Pass into the Gulf of Mexico. The contractor must utilize hydraulic cutterhead pipeline, trailing suction hopper, or mechanical dredges capable of dredging to depths of 30 to 39 feet. Dredged sand material will be placed along Perdido Key Beach. The contractor is responsible for providing all necessary crew, management, and support equipment, including tugs, barges, and cranes. All activities must be completed by April 1, 2027. This is a Firm-Fixed Price, stand-alone C contract awarded to the overall low bidder for the Base Bid, with a 10 percent price evaluation preference for certified HUBZone small business concerns. Bids are due by November 20, 2026, and must be submitted via the Procurement Integrated Enterprise Environment portal. Key requirements include compliance with the USACE Dredging Quality Management Program, adherence to EM 385-1-1 safety standards, and compliance with Davis-Bacon Act wage determinations. The contract stipulates liquidated damages of 5,534.00 dollars per calendar day of delay. Acceptance of work is based on the removal of 95 percent of the material from the required dredging prism, verified by high frequency survey data.

POSTED

DEADLINE

FY27 Euclid Creek Fishway Construction

Solicitation # W912P427BA001

The U.S. Army Corps of Engineers, Buffalo District, is soliciting bids for the construction of the Euclid Creek Fishway at the existing Euclid Creek Spillway in Cleveland, Ohio. This project, identified by solicitation number W912P427BA001, involves the construction of a 267-foot-long boulder sill fishway, modifications to the existing spillway crest, and the installation of hydraulic controls including a concrete apron and a low-flow channel trench. The scope also encompasses site work such as concrete removal, excavation, dewatering, and site restoration. Additionally, the government may exercise Option A, which includes the construction of an access road, retaining wall with tieback design and installation, railing, and a road gate. This is a 100% Small Business Set-Aside procurement under NAICS code 237990, with an estimated construction magnitude between $5,000,000 and $10,000,000. The government intends to award a firm-fixed-price contract to the lowest responsive and responsible bidder. Bidders must be registered in the System for Award Management and provide a bid guarantee of 20 percent of the bid price or $3,000,000. Performance and payment bonds are required at 100 percent of the original contract price. The project is subject to the Davis-Bacon Act and requires compliance with NIST SP 800-171 cybersecurity standards. Responses are due by December 3, 2026, and must be submitted electronically following specific naming and formatting guidelines.

W072 Endist Buffalo

POSTED

about 15 hours ago

DEADLINE

in 23 days

AI Contract Overview

The contract pertains to excavation, grading, and soil stabilization activities necessary for the preparation of a building foundation and site access roads. It is issued as a subcontract under the NAICS code 237990, which classifies it as other heavy and civil engineering construction work. The solicitation was posted on July 31, 2026, with a deadline for responses set for September 1, 2026. The work is being procured by the California Department of Consumer Affairs under the state agency structure of California, though specific location details such as city, state, or zip code for performance or contact are not provided. The contract does not include any set-aside provisions for small businesses or other demographic categories. All details are accessible through the official California procurement portal via the provided link.