Plant-Mixed Hot Mix Asphalt Concrete Supplier

This subcontract agreement establishes the requirements for a supplier to provide 10,000 tons of Plant-Mixed Hot Mix Asphalt Concrete (HMAC) for prime contractors working on Ada County Highway District roadway projects. The supplier is responsible for producing Mix Type SP-3, which must contain a minimum of 0.5% anti-strip additive and a maximum of 17% RAP by weight. All materials must be produced using asphalt batch or drum plants and delivered loaded into agency trucks. To ensure quality and safety, the supplier must perform material testing and maintain temperature compliance in strict accordance with ISPWC Specifications Sections 810.2.7 and 810.3.1. This procurement is managed by the Maintenance Operations agency in Idaho under NAICS code 327320, with a response deadline set for October 28, 2026.