This Subcontract opportunity from Pennsylvania was posted on January 28, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Excavation, Trenching, and Backfilling Services

Closed

State & Local

Submission Closed02/12/2026, 03:00:00 PM EST

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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SLED

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 10, 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

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 electrical components. Additionally, the project requires various operational services such as clearing and grubbing, roadway and structure excavation, grading, erosion control, and soil stabilization. Professional services including environmental consulting, materials testing, and land surveying are also requested, along with a comprehensive range of trucking and equipment rentals. Interested parties must submit their responses by December 2, 2026, and can coordinate with the primary point of contact, Andrew Burk.

Granite Construction Company

POSTED

DEADLINE

Solicitation # 46196-C

Solicitation 46196-C is a construction project issued by the New York State OGS Design and Construction for the rehabilitation of a floodwall system located at Reliable Fluids, Cayuga Creek, in Cheektowaga, Erie County, New York. The scope of work includes the reconstruction of the floodwall, the provision and on-site storage of emergency protection materials to maintain system integrity if Cayuga Creek reaches action stage levels, and comprehensive environmental remediation focusing on lead abatement. Specific construction tasks involve bughole and hairline crack repair, epoxy injection, joint sealant replacement for contraction and expansion joints, installation of high-performance coatings, and the erection of chain link fencing for T-walls and gravity walls. The contract will be awarded to the apparent low bidder based on responsiveness and responsibility, with evaluation factors including the bidder's understanding of the project scope, past performance on similar contracts, and financial capability. Bidders must provide a bid security of 42,600 dollars and, upon award, furnish performance and labor and material bonds for 100 percent of the contract amount. Key compliance requirements include adherence to New York State prevailing wage rates, OSHA safety standards, and strict seasonal restrictions on concrete repair and tree clearing. Performance is monitored through monthly progress payment requisitions, and the contractor must provide a Baseline Project Schedule within 30 days of the start of work.

NYS OGS Design & Construction - Construction Contractors

POSTED

DEADLINE

Solicitation # FA568227Q9001

FA5682 31 Cons (unit 6102)

POSTED

DEADLINE

Civil/Underground Utility SupportThis subcontract focuses on providing civil works and underground utility support for prime contractors managing street light projects for the City of Delta in British Columbia, Canada. The scope of work includes specialized underground civil tasks such as concrete cutting, removal, compaction, and full site restoration. To ensure project success, the contractor must deliver completed underground utility conduits, foundations, and restored roadways using specialized equipment including roadway concrete saws, jack hammers, tow-behind compressors, compactors, and M-scope electronic devices. Qualified candidates must possess a Civil Foreman qualification to oversee these operations. The opportunity is categorized under NAICS code 237990, with a response deadline set for November 30, 2026. Interested parties can find further details through the BC Bid portal.

POSTED

DEADLINE

Implementation of Sand and Dust Storms Mitigation Measures in Semnan

Solicitation # UNDP-IRN-00356

The UNDP is soliciting proposals for the implementation of sand and dust storm mitigation measures in the Islamic Republic of Iran. Specifically, the project focuses on the implementation of surface-runoff management through the construction of crescent-shaped water-harvesting bunds within the Abbasabad area of the Tooran protected area in Semnan Province. This solicitation, identified by number UNDP-IRN-00356, was posted on November 10, 2026. Interested parties may coordinate with the UNDP Procurement Unit via email for further details regarding the submission process and project requirements.

POSTED

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

Solicitation # 26-04-PW

The County of Madera Public Works Department is soliciting bids for Contract 26-04-PW, which involves the construction of a leachate surface impoundment facility, the expansion of the Cell 3 liner, and various ancillary site improvements at the Fairmead Landfill in Madera, California. The scope of work includes grading, placing aggregated base, installing underground piping systems, constructing cell access roads, and installing geosynthetic materials. The project has an engineer's estimate of $7,892,760.00 and an anticipated performance period of 240 calendar days starting January 25, 2026. Work must adhere to 2024 Caltrans and Standard Specifications for Public Works Construction (SSPWC) standards, with strict Construction Quality Assurance (CQA) protocols for earthwork and geosynthetics. Bidders must hold a Class A license and demonstrate the capacity to self-perform at least 30% of the base bid amount. Qualification requirements include the completion of four projects of similar size and scope within the last seven years. Mandatory submission documents include a bidder's bond for 10% of the bid amount, a subcontractor list for any entity performing over 0.5% of the work, and certification of compliance with the Iran Contracting Act for contracts exceeding $1,000,000. A mandatory pre-bid meeting is scheduled for October 27, 2026, with final bid proposals due via BidExpress by November 18, 2026, at 2:00 pm. The successful contractor will be required to provide performance and payment bonds for 100% of the contract price and comply with prevailing wage laws and equal opportunity employment regulations.

County of Madera - Public Works Department

POSTED

DEADLINE

Contractor and Subcontractor prequalifications for Water Treatment Plant

Solicitation # BD-27-1604-FIN01-FIN01-135293

The Town of Groveland, Massachusetts, has issued solicitation BD-27-1604-FIN01-FIN01-135293 for the prequalification of contractors and subcontractors to construct a new 8,500 square foot water treatment plant. The project involves the installation of a pre-engineered metal building and requires a comprehensive scope of work including structural, architectural, plumbing, heating, cooling, ventilation, and fire protection. Additionally, the contractor must provide process mechanical, electrical, instrumentation, and control systems. The solicitation was posted on November 9, 2026, with a response deadline and bid opening date of December 11, 2026, at 5:00 PM. Electronic quotes are permitted for this SLED organization project. All administrative inquiries and invoicing should be directed to Rebecca Oldham, the Purchaser, located at 183 Main Street, Groveland, MA 01834. While the project scope is clearly defined, the specific contract value and unit pricing have not been disclosed in the available documentation.

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

about 23 hours ago

DEADLINE

in 14 days

AI Contract Overview

Washington County, Pennsylvania, is seeking a subcontractor for excavation, trenching, and backfilling services. The scope of work specifically involves the excavation of water main trenches, the application of proper bedding using sand or pea gravel, and the completion of backfilling accompanied by necessary compaction testing. This opportunity was posted on January 28, 2026, and requires responses to be submitted by February 12, 2026. The project falls under NAICS code 237990 and will be performed within Washington County.