Base Course Installation

The contract titled Base Course Installation pertains to the supply and placement of aggregate base material to provide foundational support for new asphalt pavement along the I90E corridor near Spearfish in South Dakota. This is a subcontract under the South Dakota Department of Transportation, classified under NAICS code 238990 for other foundation, structure, and building exterior contractors. The solicitation was posted and the response deadline is set for May 12, 2026, indicating a formal bid process is scheduled to occur on that date. The work scope focuses exclusively on the installation of base material required prior to asphalt laying, ensuring proper load distribution and long-term pavement integrity. Performance of the work is limited to the specified highway segment, and all materials and methods must meet state transportation standards for durability and compliance. Bidders are expected to adhere to all technical, logistical, and timelines requirements outlined in the solicitation, with no set-asides or special contracting categories identified. The project is managed through the Rapid City region’s bidding system, with all details accessible via the provided online portal.