This Subcontract opportunity from Department Of State was posted on September 23, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Civil Works and Structural Contractor

Closed

Federal

Submission Closed10/16/2026, 06:00:00 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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Site Earthwork and Utility AbandonmentThis subcontract for Site Earthwork and Utility Abandonment involves performing excavation, site grading, and utility abandonment for prime contractors on NAVFAC and US Navy projects at NBK Bangor. The scope of work includes removing existing utility structures to 900mm below grade, filling abandoned piping and gravity systems under pavements with flowable fill, and restoring grassed areas through topsoil application and seeding. The project requires strict adherence to UFGS 31 23 00.00 20 through coordination with the Designer of Record, and any sheeting or dewatering activities must be supported by PE-certified plans. Managed by the Bristol Alliance of Companies, the contract falls under NAICS code 237990 and mandates the delivery of a fully graded site and restored landscape. Responses are due by December 5, 2026.

Bristol Alliance of Companies

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. 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

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 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 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 December 2, 2026. Primary inquiries and submissions should be directed to Andrew Burk via the provided contact information.

Granite Construction Company

POSTED

DEADLINE

PWC Mosquito ADA Fishing Pier

Solicitation # SRC0000042902

The Ohio Department of Natural Resources is soliciting bids for the replacement and installation of an ADA-compliant fishing pier at Mosquito Lake State Park. The project requires the fabrication, delivery, and installation of a modular aluminum dock system, which includes a gangway, a 40 by 8 foot main walkway, and a 40 by 8 foot fishing extension. The contractor is responsible for providing all labor, materials, and equipment, and must remove existing old structures and debris from the site. All components, including handrails and fishing benches, must conform to ADA requirements. Work is scheduled to commence on December 1, 2026, with a final completion and delivery deadline of April 30, 2027. The contract will be awarded to the lowest responsive and responsible bidder based on the low lot total, calculated by multiplying unit costs by estimated usage. To be deemed responsive, bidders must provide quotes for all items. The selected contractor must maintain a performance bond and insurance from a provider with an A.M. Best rating of A or better and a financial size of VII or better. Additionally, the contractor must comply with Ohio ethics laws, maintain financial records according to Generally Accepted Accounting Principles, and provide a signed Affirmation and Disclosure Form regarding the location of services and data.

Dnr353411 Mosquito Lake State Park Dnrtru

POSTED

DEADLINE

Solicitation # 46108-C

The Cayuga Inlet Flood Risk Reduction and Restoration project, identified as Project No. 46108-C, is a unit price construction contract issued by the New York State Department of Environmental Conservation and the Office of General Services. Located at 900 Taber Street in Ithaca, New York, the project has an estimated value between 23 million and 24 million dollars. The primary scope of work involves comprehensive environmental remediation and construction, specifically focusing on hydraulic dredging, earthwork for the preparation of a site management facility cell, and the establishment of staging and laydown areas. Key technical requirements include the use of geotextile tubes for dewatering, the implementation of a marine traffic control plan, and strict adherence to USACE and APWA standards for surveying and utility marking. Bids are submitted via Bid Express, with the contract awarded to the apparent low bidder based on responsiveness and responsibility, including an evaluation of financial data and past performance on similar projects. Bidders must provide bid security of 599,200 dollars, and the successful contractor is required to furnish performance and labor and material bonds for 100 percent of the contract amount. The project mandates compliance with New York State prevailing wage schedules, MWBE-EEO guidelines, and specific safety certifications for the transport of hazardous materials like calcium oxide. Deliverables include pre-construction and progress bathymetric surveys, daily dredge reports, and detailed waste manifests for disposed materials.

NYS OGS Design & Construction - Construction Contractors

POSTED

DEADLINE

Dothan All-Wheel Park

Solicitation # 271007

Bid 271007 is a solicitation by the City of Dothan for the construction of the Dothan All-Wheel Park located at 100 Recreation Road, Dothan, Alabama. The project scope includes the development of a BMX Pump Track and a Freestyle Park, along with comprehensive site improvements such as grading, landscaping, site lighting, parking lot enhancements, and the installation of connecting sidewalks and pedestrian pathways. A critical requirement for the project is that the General Contractor must employ a specialty construction subcontractor who is a USA BMX-approved builder to handle the construction of the BMX facilities. The procurement follows a two-stage process beginning with pre-qualification proposals, which were due by November 23, 2026, in three hard copies and one digital copy on a USB flash drive. Only General Contractors licensed under the State Licensing Board for General Contractors per the Code of Alabama, 1975, are eligible. Following pre-qualification, sealed bids for the base project and alternates are due by December 17, 2026, at 2:00 PM CST. Bidders must provide a cashier's check or bid bond of at least 5 percent of the bid amount, capped at 10,000 dollars. A mandatory pre-bid conference was scheduled for December 3, 2026. Upon contract signing, the selected contractor must provide performance and payment bonds, insurance, and immigration documentation in compliance with the Beason-Hammon Alabama Taxpayer and Citizen Protection Act.

POSTED

DEADLINE

Rail Infrastructure Construction & UpgradesThis subcontract focuses on rail infrastructure construction and upgrades for MDOT freight rail projects in Maryland. The scope of work involves upgrading corridors to Class I condition or higher in accordance with FRA standards, which includes the demolition, removal, and replacement of existing track and infrastructure. These efforts are designed to enhance overall capacity, functionality, and safety through the use of heavy rail equipment and Class I compliant rail, ties, and ballast. The project is categorized under NAICS code 237990 and requires the delivery of a fully upgraded rail corridor that meets all specified Class I standards. Interested parties should note that the response deadline for this opportunity is January 28, 2027.

POSTED

DEADLINE

Milpitas Sports Center Football Bleacher Replacement

Solicitation # 26-283

The City of Milpitas is soliciting bids for Project No. 3505, the Milpitas Sports Center Football Bleacher Replacement. This project involves the demolition and removal of existing football bleachers and footings, followed by the construction of new home bleachers and various site improvements. The scope of work includes earthwork, grading, erosion and sediment control, concrete work, electrical conduit routing and relocations, and the installation of fencing and gates. Additionally, the project requires comprehensive ADA upgrades to parking areas, restrooms, and access ramps. The engineer's estimate for the base bid is between $1.2 million and $1.4 million, with a required completion timeframe of 330 calendar days from the Notice to Proceed. Eligible bidders must hold a Class A contractor license and comply with California prevailing wage laws for Santa Clara County. The contract will be awarded to the lowest responsive and responsible bidder based on the base bid alone. Submission requirements include a 10% bid security, a noncollusion declaration, and certification of registration with the Department of Industrial Relations. The successful contractor must self-perform at least 40% of the work. Project administration includes progress payments at 95% of the City's estimate with a 5% retention, contingent upon the submission of updated CPM schedules and construction photographs. Liquidated damages for delays are set at $4,200 per day.

POSTED

DEADLINE

Capital Project No. 3508

Solicitation # 49696

The City of Lake Charles, Louisiana, is soliciting bids for Capital Project No. 3508, focused on the first phase of shoreline protection at Riverside Park. The project involves the restoration and stabilization of approximately 250 linear feet of shoreline near the park entrance. Key deliverables include the placement of stone revetment to rebuild the riverbank, the installation of roughly 100 linear feet of steel sheet pile for bank protection near the gate, and the repair or replacement of decorative black fencing damaged by erosion. This solicitation, identified by number 49696, falls under NAICS code 237990. Interested parties must submit their responses by the deadline of November 17, 2026. The project is managed by the City of Lake Charles and will be performed within the state of Louisiana.

POSTED

DEADLINE

Lewis Park Improvements

Solicitation # 2026-IFB-222

Solicitation 2026-IFB-222 is an invitation for bids issued by the City of Pittsburgh Department of Public Works for a general contractor to perform improvements at Lewis Park in Hazelwood. The scope of work includes the construction of two basketball courts, a playground area, a pavilion, and greenspace. Base bid activities encompass staking, demolition, site preparation, grading, concrete and asphalt work, site furnishings, pavilion installation, and backfill and seeding. The project also includes several alternates for the installation of trees, trash and recycling receptacles, general landscape plantings, and an upgrade to six-inch concrete for vehicular access. The contractor is responsible for coordinating the installation of owner-supplied items, including the pavilion, spray features, safety surfaces, and playground equipment. The contract will be awarded to the lowest responsive and responsible bidder on a lump sum basis. Bids must be submitted electronically via OpenGov by November 16, 2026, at 2:00 pm. Required submission documents include a Vendor Questionnaire, a Schedule of Values following the provided template, a Vendor Contact Sheet, a Vendor Registration Form, and an EORC Participation Form. The City has established specific participation goals for disadvantaged business enterprises, including 18 percent for MBEs, 7 percent for WBEs, 5 percent for Veteran-Owned Small Businesses, and 3 percent for LGBTQIA+ businesses. Performance is subject to strict compliance with Pennsylvania prevailing wage rates and certified payroll requirements. Post-award requirements include the submission of a performance bond equal to 100 percent of the contract price, a payment bond, and current certificates of insurance. The City intends to pay invoices within 45 calendar days of receipt, provided they are submitted within 30 days of work completion and include the necessary purchase order and controller numbers. All work must adhere to the provided bid drawings and meet industry standards, with final acceptance contingent upon a pre-final inspection and the completion of a deficiency punch-list.

POSTED

DEADLINE

2026008-RFP3819 RIVERWOOD PARK

Solicitation # 2026008-RFP3819

Columbia County, Georgia, is soliciting bids for the construction of Riverwood Park under solicitation number 2026008-RFP3819. The project requires a General Contractor to provide all labor, equipment, materials, and supervision to execute a comprehensive scope of work including site demolition, clearing, grading, and the construction of facilities. Key deliverables include the installation of play structure assemblies, splash pad equipment and plumbing, mountain biking trails, concrete paths, parking lots, site lighting, furnishings, and landscaping improvements. The project must be completed within 480 consecutive calendar days following the notice to proceed, with liquidated damages set at 1,000 dollars per day for delays. Bidders must submit a Non-Collusion Affidavit, a list of at least five clients for similar projects of comparable size and complexity, and a comprehensive list of all major subcontractors. The base bid includes a general allowance of 500,000 dollars covering overhead and profit. Several deductive alternates are available, including sports field lighting, sand cap and sod, toddler play equipment, bonded rubber surfacing, a slide mound, and mountain bike trails. Bids must remain valid for 60 calendar days after the closing date, and the successful bidder must execute the formal contract and provide surety bonds as required by AIA 101 and AIA 201 standards within 10 days of acceptance.

Columbia County

POSTED

about 16 hours ago

DEADLINE

in 27 days

AI Contract Overview

This subcontract for the US Embassy San Jose involves providing civil infrastructure and structural modifications for government facility projects in Flores, Costa Rica. The scope of work includes constructing concrete pads for air compressors, structural supports for scrubbers and sludge dewatering, drainage gates, and walkway extensions, as well as installing lifeline safety systems and metallic structures for emission measurement. The contractor must hold a valid CFIA license and maintain full CCSS compliance to deliver the completed structural installations. This opportunity was posted on September 23, 2026, with a response deadline of October 16, 2026, under NAICS code 237990.

General Info

Subcontract for civil infrastructure and structural modifications at US Embassy facility in Costa Rica.

Agency

Department Of State → US Embassy San Jose

NAICS

237990 - Other Heavy and Civil Engineering Construction

Place of Performance

FLORES, CR-H, CRI

Set-Aside

NONE

Documents

This scope was carved out of PR16129583.

The full solicitation package (9 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

INL - Facility maintenance & Incinerator Retrofit support works

AI Contract Breakdown

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Timeline

PhaseClosed

PostedSep 23

subcontract

Response DeadlineOct 16

Deadline has passed

Submission Closed

10/16/2026, 06:00:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of State → US Embassy San Jose

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of State → US Embassy San Jose

Office AddressN/A

ContactsNo contact information available

Full Description

Performs civil infrastructure and structural modifications for prime contractors on US government facility projects in San Jose, Costa Rica. Constructs concrete pads for air compressors, structural supports for sludge dewatering and scrubbers, walkway extensions, and drainage gates. Installs metallic structures for emission measurement and lifeline safety systems. Requires CFIA license and CCSS compliance. Delivers completed structural installations.