This Subcontract opportunity from California was posted on August 3, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Concrete Barrier and Curb Construction

Closed

State & Local

Submission Closed09/24/2026, 12:00:00 AM PDT

Contract Overview

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

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NAICS: 237310

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This solicitation, issued by Payne, McGinn and Cummins, Inc., is for an asphalt mill and overlay project covering 5,200 square yards as part of the Terrace Drive Sewer System Improvements in Chimney Rock, North Carolina. The project falls under NAICS code 237310 and is specifically set aside for small businesses, including certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Interested parties must submit their responses by the deadline of December 1, 2026. The primary point of contact for this opportunity is Robert M. McGinn, Jr., who can be reached via email or phone for further inquiries regarding the scope of work and submission requirements.

Payne, McGinn and Cummins, Inc.

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North Hollywood Central Remediation Well Collector Line; IFB No. 8003R1

Solicitation # 8003R1

Kiewit Infrastructure West Co. is soliciting sub-quotes for the North Hollywood Central Remediation Well Collector Line project, an infrastructure initiative for the City of Los Angeles Department of Water and Power located in California. The comprehensive scope of work includes underground construction such as tunneling, boring, jacking, and micro tunneling, as well as site preparation, civil works, and environmental services including SWPPP, land surveying, shoring, and asphalt paving. Required materials and supplies range from precast concrete and ready mix to cathodic protection, steel casing, and traffic signals and lighting. This solicitation is specifically targeting qualified Small Business, Women-Owned Small Business, and Disadvantaged Business Enterprise firms, including MBE, WBE, and OBE certifications. To be considered, responsive bidders must possess a valid California Contractor's license and provide acceptable insurance. Furthermore, subcontractors and material contractors are required to provide bonding for 100% of their contract value, for which Kiewit will reimburse the premiums. The bid deadline is November 18, 2025, and interested parties must coordinate through Kiewit's Building Connected system or contact Lead Estimator Ken Johnston for project specifications and invitations to bid.

Kiewit Infrastructure West Co.

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DEADLINE

IEUA - Regional Water Recycling Plant No. 5 (RP-5) Offsite Facilities Project NO. EN19001.03

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The IEUA Regional Water Recycling Plant No. 5 Offsite Facilities Project involves the comprehensive provision of all materials, labor, equipment, and transportation required to install, commission, and deliver a fully functional system. The scope of work is primarily focused on four major components: the Butterfield Dual Force Main, the Mountain Avenue Lift Station, the RP-2 Lift Station, and the Butterfield Lift Station. Managed by Steve P. Rados, Inc. in California, this solicitation is designated as a set-aside for Small Businesses and Disadvantaged Business Enterprises. Interested parties must submit their responses by November 19, 2026, ensuring all work aligns with the specified bid documents and technical requirements.

POSTED

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Roadway, Sidewalk, and Trail RestorationThis subcontract for Roadway, Sidewalk, and Trail Restoration involves the installation and replacement of asphalt and concrete pavement surfaces for prime contractors on City of Hudson projects. The scope of work includes the restoration of roadways, sidewalks, curbs, and trails, as well as the installation of concrete drive aprons and half-inch recycled rubber expansion joints. Technical requirements specify the use of wet saw-cutting for joints and the application of ODOT 301 and ODOT 441 Type I mixes in accordance with ODOT Job Mix Formulas and City standards. The opportunity was posted on November 8, 2026, with a response deadline of December 1, 2026, at 2:30 PM. Classified under NAICS code 237310, the project focuses on delivering fully restored infrastructure surfaces within the City of Hudson, Ohio.

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Conservation Work and Access Road Improvement of Shahr-e Gholghola to Chehel Dukhtaran Ancient Qalah and Access Road Improvement of Zargaran Bala and Zargaran Payeen Valley in Bamiyan, Afghanistan Aziz Ur Raman Tanha - [email hidden]

Solicitation # AFG26ITB009

UNESCO is soliciting bids for a large-scale works project in Bamiyan province, Afghanistan, focused on preserving heritage properties and upgrading informal settlements in Sayed Abad, Zargaran Bala, and Zargaran Payeen villages. The scope of work includes the conservation of the Ancient Qalahh of Chehel Dukhtaran, improvement of access roads from Shahr-e Gholghola to the Qalahh, and the installation of drainage systems. Key construction activities involve stone masonry, Plain Cement Concrete (PCC), boulders, and Reinforced Cement Concrete (RCC). The project is supported by the government of Italy and implemented through UNESCO and UN-Habitat. The contract will be awarded to the lowest priced technically qualified bidder based on criteria including technical capacity, experience, and compliance with specifications. The performance period requires commencement within 45 days of site access, with substantial completion expected within four months. Financial terms include a potential 20% advance payment, with progress payments submitted monthly and final payment processed 30 days after the issuance of a Certificate of Substantial Completion. Contractual obligations include a 10% performance guarantee valid for 12 months post-completion and a 12-month defects liability period. Liability insurance must cover the contract value plus 10%. For delays, liquidated damages are set at 0.35% of the contract price per calendar day, capped at 10%. Bidders must submit their proposals in PDF format via email by November 29, 2026, ensuring all files are under 10MB per email and avoiding third-party file-sharing tools.

POSTED

DEADLINE

Solicitation # 2027030

Spartanburg County Government is soliciting proposals for RFP 2027030 to perform intersection improvements at New Cut Road, Mount Zion Road, and Blackstock Road. The scope of work includes roadway realignment, grading, drainage installation, and the application of hot mix asphalt surface and intermediate courses. All construction must adhere to the latest SCDOT Standard Specifications and Drawings, with traffic control managed according to MUTCD and SCDOT Work Zone Traffic Control Manual standards. The project requires a Prime Contractor approved by SCDOT, and the final completion deadline is set for October 31, 2027. Proposals will be evaluated based on a weighted criteria of 80 percent for cost and 20 percent for compliance with proposal requirements. This is a unit price bid contract governed by the laws of South Carolina, requiring a one year written warranty on materials and workmanship upon written acceptance by the County. Contractors must provide a detailed project schedule and a current certificate of insurance with their submission. Payment is made from appropriated funds, with undisputed invoices due upon receipt and considered past due after 30 days.

Spartanburg County Government

POSTED

DEADLINE

Culvert Installation & Site WorkThis subcontract for Culvert Installation and Site Work involves performing emergency culvert washout repairs for prime contractors on road projects within Washington County, Ohio. The scope of work requires the execution of excavation, site preparation, and the installation of pre-cast concrete box culverts, including backfilling and sediment control, all to be completed within a single-day window to deliver a fully installed culvert and restored roadway. Eligible contractors must be pre-qualified by the Ohio Department of Transportation and enrolled in the Ohio Drug-Free Workplace Program. The solicitation was posted on November 7, 2026, with a response deadline of November 24, 2026. This project falls under NAICS code 237310 and is managed through the Washington County Engineer.

Washington County, OH - Engineer

POSTED

DEADLINE

Salem Twp- T-16 Culvert Washout Replacement

Solicitation # 49913

The Salem Township T-16 Culvert Washout Replacement project involves the emergency repair of a culvert washout on Duck Creek Road in Whipple, Ohio. The scope of work requires the contractor to provide all labor, equipment, and materials to replace the existing washout with a pre-cast concrete four-sided box culvert. The project is governed by the 2023 Ohio Department of Transportation Construction and Materials Specifications and the requirements of the Washington County Engineer. The estimated project cost is $91,527.00, and the contract will be awarded to the lowest and best bidder, provided the bid does not exceed the estimate by more than 10 percent. All work must be completed by April 1, 2027, with a one-year guarantee against defects following final payment. Contractors must adhere to strict regulatory requirements, including Ohio Prevailing Wage Laws, the Ohio Bureau of Worker’s Compensation Drug-Free Workplace Program, and Ohio preference for local products and labor. Required deliverables for the pre-construction meeting include a subcontractor list, a construction schedule, and road closure estimates. The contractor must provide a bid guaranty and, if necessary, a performance bond. Additionally, the project mandates compliance with various federal non-discrimination acts and requires the submission of certified payrolls and proof of Ohio workers' compensation coverage. The Township serves as the sole judge of the quality of materials and workmanship, and the pre-cast box culvert must be installed within a single day after coordinating with the county.

Washington County, OH - Engineer

POSTED

DEADLINE

Ultrathin Bonded Asphalt Surfacing (UBAS) InstallationThis subcontract involves the specialized installation of Ultrathin Bonded Asphalt Surfacing (UBAS) overlay for prime contractors working on Kansas Turnpike Authority projects. The scope of work requires the application of the UBAS overlay across I-35 and its associated interchanges between mile markers 112 and 132. All work must be performed using specialized UBAS paving equipment and must adhere to the 2015 Standard Specifications for State Road and Bridge Construction to deliver a completed surface. The project falls under NAICS code 237310 and was posted on November 7, 2026, with a response deadline of November 10, 2026. Interested parties can find further details through the provided BidExpress solicitation link.

Kansas Turnpike Authority

POSTED

DEADLINE

Commercial Grade Asphalt Paving and PatchingThis subcontract involves the installation of commercial grade asphalt surfacing and patching on the I-35 mainline for prime contractors working on Kansas Turnpike Authority projects. The scope of work includes the application of Class A HMA Surface and mainline patching utilizing asphalt pavers, rollers, and tack coat distributors. All work must strictly adhere to mix designs SM-12.5A or SR-12.5A and utilize binder PG64-28/PG70-28 to deliver the final surface layer and completed patches. The project falls under NAICS code 237310 and was posted on November 7, 2026, with a response deadline of November 10, 2026. Interested parties can find further details through the provided BidExpress solicitation link.

Kansas Turnpike Authority

POSTED

DEADLINE

Asphalt Milling and Shoulder InlayThis subcontract for Asphalt Milling and Shoulder Inlay involves providing specialized paving services for prime contractors on Kansas Turnpike Authority highway projects. The scope of work requires milling existing pavement to a depth of two inches, the removal and disposal of all milled materials, and the preparation and inlaying of the outside shoulder. All operations must be conducted using cold milling machines and hauling trucks in strict accordance with the 2015 Standard Specifications for State Road and Bridge Construction. The project falls under NAICS code 237310 and focuses on the delivery of a properly milled pavement surface and a completed shoulder inlay. Interested parties should note the tight response window, with the solicitation posted on November 7, 2026, and the deadline for responses set for November 10, 2026.

Kansas Turnpike Authority

POSTED

DEADLINE

KTA Contract 8297, managed by the Kansas Turnpike Authority, involves the installation of an Ultrathin Bonded Asphalt Surfacing (UBAS) overlay on I-35, including interchanges, from mile marker 112 to 132 in Lyon County. The scope of work encompasses UBAS, commercial grade asphalt patching and surfacing, patching of the I-35 mainline, and the milling and inlaying of the outside shoulder. Key deliverables include the installation of specific pavement markings, such as 12-inch white chevron lines and 6-inch yellow edge lines, and the implementation of comprehensive work zone traffic control. Performance is scheduled in phases, with asphalt patching and commercial grade paving starting no earlier than April 12, 2027, and UBAS and remaining work commencing after May 31, 2027. The contract will be awarded to the lowest responsible bidder based on the summation of unit prices multiplied by approximate quantities. Bidders must provide a statement of financial condition unless pre-qualified by the Kansas Department of Transportation or the Authority, and must submit a bid bond of 5 percent of the bid. The contractor is required to provide certificates of insurance for Workers' Compensation, Employer's Liability, and Comprehensive Public Liability and Property Damage Insurance. All work must adhere to the 2015 Standard Specifications for State Road and Bridge Construction and KDOT Construction Manual standards, with strict prohibitions against making turnarounds through the barrier wall.

Kansas Turnpike Authority

POSTED

1 day ago

DEADLINE

in 1 day

AI Contract Overview

This subcontract for the California Department of Transportation involves the installation of concrete barriers and curbs for prime contractors on various transportation projects. The scope of work specifically includes the installation of Concrete Barrier Type 60MS and Type 60M according to Standard Plan A76G and RSP A76AB, as well as the construction of concrete curbs and sidewalks using concrete forms and rebar. The project requires strict compliance with Division VIII Section 73 and Division IX Section 83. This opportunity, categorized under NAICS code 237310, was posted on August 3, 2026, with a response deadline of September 24, 2026.

General Info

Subcontract for Caltrans concrete barrier, curb, and sidewalk installation; deadline September 24, 2026.

Agency

California Department of Transportation

NAICS

237310 - Highway, Street, and Bridge Construction

Place of Performance

CA, USA

Set-Aside

NONE

Documents

This scope was carved out of 12-0T7304.

The full solicitation package (10 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Replace drainage, Elect systems, and guardrail with Conc barrier.

AI Contract Breakdown

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Timeline

PhaseClosed

PostedAug 3

subcontract

Response DeadlineSep 24

Deadline has passed

Submission Closed

09/24/2026, 12:00:00 AM PDT

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Organization & Contact Information

AgencyCalifornia Department of Transportation

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia Department of Transportation

Office AddressN/A

ContactsNo contact information available

Full Description

Installs concrete barriers and curbs for prime contractors on Caltrans transportation projects. Installs Concrete Barrier Type 60MS per Standard Plan A76G and Type 60M per RSP A76AB, as well as concrete curbs and sidewalks. Utilizes concrete forms and rebar. Complies with Division VIII (Section 73) and Division IX (Section 83). Delivers installed concrete barriers and curbs.