This Subcontract opportunity from Pennsylvania was posted on October 28, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Mobilization and Demobilization Services

Closed

State & Local

Submission Closed11/25/2025, 11:00:00 AM 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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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 from certified and qualified DBE, SBA, and MBDA subcontractors and suppliers for the Recharge Master Plan Update at Montclair Basin in California. The scope of work involves improvements to Basin 2 and Basin 3, specifically requiring services for 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 solicitation is set aside for various small business categories, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses. Interested parties must submit their responses by November 23, 2026. Primary coordination for this project is managed 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 targeted toward 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 and hauling services. Interested parties must submit their responses by the deadline of December 2, 2026. Primary inquiries and submissions should be directed to Andrew Burk via the provided contact information.

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 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

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

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.

POSTED

DEADLINE

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

DEADLINE

Earthwork and Site Grading

POSTED

DEADLINE

IFB No. B127194-EY, Brightwood Stream Restoration

Solicitation # B127194

The County of York, Virginia, is soliciting bids for the Brightwood Stream Restoration project in Yorktown, Virginia. This project focuses on the restoration of approximately 2,379 linear feet of the Upper Baptist Run main channel, 800 linear feet of a tributary stream channel, and an offline pond. The primary objectives are to stabilize the channel, improve water quality and habitat, and protect adjacent infrastructure. Key construction activities include planform realignment, channel reshaping, raising the channel bed, installing engineered log habitat structures, boulder walls, and native plantings. Contractors are required to submit a detailed stream bypass pumping plan 30 days prior to use and must ensure all materials are new, having been manufactured within two years of the bid date. The contract will be awarded to the lowest responsive and responsible bidder based on the total base bid price. In the event of a tie, preference is given to Virginia-based firms, with first priority given to those located within the County of York. The period of performance requires substantial completion within 270 calendar days and final completion within 330 calendar days from the Notice to Proceed. Bidders must provide a bid bond, and the successful awardee must provide performance and payment bonds equal to the contract value. Required submittals include a bid form, SWAM information, references, insurance carrier acknowledgement, and a questionnaire. Bids must be delivered to the Central Purchasing office or emailed to [email hidden] by December 16, 2026, and must not be submitted through eVA.

POSTED

DEADLINE

Henry H. Bradby Park Phase 1

Solicitation # 2027-7110-114

Isle of Wight County, Virginia, is soliciting bids for the Phase 1 construction of Henry H. Bradby Park, located on a 51.67-acre parcel in Smithfield. The project scope involves approximately 6.63 acres of land disturbance and includes initial site preparation, clearing, demolition, grading, and the installation of civil infrastructure such as drainage and stormwater management. Key deliverables include the construction of public amenities such as parking facilities, walking trails, a playground, a shelter, and recreational courts, as well as final landscaping and site furnishings. The contract is a firm-fixed-price award to the lowest responsive and responsible bidder, with a required substantial completion timeline of 300 days from the notice to proceed and final completion due 45 days thereafter. Because the project is funded through the National Park Service's Land and Water Conservation Fund, it is subject to strict federal oversight. This includes mandatory compliance with the Build America, Buy America Act for material sourcing, as well as adherence to federal civil rights laws and environmental windows for endangered species. Bidders must provide bid, performance, and payment bonds, with bid bonds required for projects exceeding 500,000 dollars. All work must comply with the 2018 Virginia Statewide Building Code and specific approvals from the Virginia Department of Transportation and the Department of Environmental Quality. Bids are due by November 16, 2026, and must be submitted via the designated procurement portal.

POSTED

DEADLINE

IFB No 134548 Billeting Retaining Walls, Drainage and Soil Stabilization

Solicitation # 134548

The California Military Department is soliciting bids for IFB No. 134548 to install a temporary K-rail retaining wall, drainage, and soil stabilization system at Camp San Luis Obispo. The scope of work includes the installation of 480 total feet of retaining walls using 24 precast concrete units, the installation of six grated inlets and six 6-inch-diameter solid outlet pipe routes, and the application of soil stabilizer to create hardened sections between buildings and walls. The project requires a prime contractor holding a California CSLB Class A General Engineering or Class C-12 Earthwork and Paving license. All work must adhere to California public works labor requirements, San Luis Obispo County prevailing wages, and Cal OSHA safety standards. Bidders must attend a mandatory pre-bid job walk on November 17, 2026, and submit all questions by November 20, 2026. Bids are due by November 30, 2026, at 2:00 PM, with the bid opening following at 2:15 PM. The contract will be awarded to the lowest responsive and responsible bidder, with a 5% preference for certified Small Business or Microbusiness enterprises and a 5% goal for Disabled Veteran Business Enterprise participation. Required documentation includes a bid bond, a completed rate sheet, and various certifications including non-collusion and civil rights compliance. Performance and payment bonds are required if the contract exceeds specific monetary thresholds.

California Military Department

POSTED

about 20 hours ago

DEADLINE

in 19 days

AI Contract Overview

This subcontract for Mobilization and Demobilization Services in Chester County, Pennsylvania, involves the transport of personnel, tools, and equipment to and from the project site. The scope of work includes essential site preparation for construction operations, specifically the setup of temporary facilities and the installation of required safety signage. The opportunity was posted on October 28, 2025, with a response deadline of November 25, 2025. Classified under NAICS code 237990, the contract is managed by Chester County and requires the selected provider to ensure all logistical preparations are completed to support ongoing construction activities.

General Info

Subcontract for mobilization and demobilization services for construction site preparation in Chester County.

Agency

Pennsylvania → Chester County

NAICS

237990 - Other Heavy and Civil Engineering Construction

Place of Performance

Chester County, PA, USA

Set-Aside

NONE

Documents

This scope was carved out of ATG23-17.

The full solicitation package (7 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Tee Alley/Church Street Improvements

AI Contract Breakdown

Uniform Contract Format

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Timeline

PhaseClosed

PostedOct 28

subcontract

Response DeadlineNov 25

Deadline has passed

Submission Closed

11/25/2025, 11:00:00 AM EST

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Organization & Contact Information

AgencyPennsylvania → Chester County

ContactsNo contacts available

OfficeN/A

Organization / AgencyPennsylvania → Chester County

Office AddressN/A

ContactsNo contact information available

Full Description

Transport equipment, tools, and personnel to and from the site, including setup of temporary facilities, safety signage, and site preparation for construction operations.