2027 Hot Mix Asphalt Material

Ada County Highway District (ACHD) in Idaho is issuing an Invitation to Bid for Plant Mixed Hot Mix Asphalt Concrete (HMAC) supply on an as-needed, when-needed basis for roadway paving and related uses throughout Ada County during calendar year 2027, with proposals due October 28, 2026. This contract may be awarded to multiple qualified firms.

All material must conform to Idaho Standard Specifications for Public Works Construction (ISPWC) requirements, including detailed technical specifications for gradation, binder composition, mixing temperature ranges, and quality control testing procedures. Estimated quantities have been identified for regular operations and patch truck use; actual delivery requirements will be determined based on project needs. Vendors must be capable of delivering orders of 20 tons or less within 24 hours of purchase order and orders exceeding 20 tons within 48 hours, with a minimum of 24-hour and 48-hour advance notice required, respectively.

The contract runs January 1 through December 31, 2027. The contract value is not to exceed a sum to be determined (TBD); the agreement does not specify explicit pricing terms. Payment is net 30 days upon invoice submission for materials conforming to specifications. ACHD reserves the right to reduce payment by 1 percent of total agreement value per week for late delivery commencing from the scheduled delivery date.

A supply bond equal to 100 percent of contract value is required within 20 calendar days of agreement execution. Vendors must maintain Comprehensive General Liability Insurance with minimum limits of $100,000 per claim and $500,000 aggregate, Motor Vehicle Insurance with identical limits, and required Workers Compensation Insurance. ACHD may terminate for cause upon performance failure, non-conforming material delivery, or insolvency, or may terminate without cause if deemed in ACHD's best interests. Awards will be made to the lowest cost responsive bidder in accordance with Idaho Code 67-2806.