Road Materials, Cement Treated Base and Cement Stabilized Backfill

Collin County Public Works Department is soliciting bids for the supply of cement treated base and cement stabilized backfill materials to support the construction and maintenance of over 600 miles of county roads and bridges, in accordance with TxDOT Standard Specifications for Construction and Maintenance of Highways, Streets and Bridges, 2024 Edition. The contract, identified by solicitation number 2026-279, requires vendors to deliver specified quantities of Cement Treated Base (CTB) and two grades of Cement Stabilized Backfill (CSB-1 and CSB-2) across eight geographic zones, with each material subject to precise engineering standards including a seven-day compressive strength of 400 psi for CTB and 350 psi for both CSB-1 and CSB-2. Materials must be manufactured using ASTM C150 Type I or ASTM C595 Type IP Portland cement and sand with a plasticity index not exceeding six, and all deliveries must comply with FOB Inside delivery terms at designated County locations, including the inclusion of all haulage and fuel costs in the bid price. Bid evaluation is based on the lowest and best price per zone for delivery and a calculated pickup cost that incorporates the IRS mileage rate between the McKinney stockpile and the bidder’s plant site, with pass/fail criteria requiring vendors to demonstrate adequate financial resources, a satisfactory performance and ethical record, and the ability to meet delivery schedules, while failing any of these renders a bid non-responsive. The contract is governed by Texas state law and incorporates numerous statutory and regulatory requirements under Texas Government Code and Local Government Code, including prohibitions against contracting with entities engaged in business with Iran, Sudan, or foreign terrorist organizations, anti-boycott provisions applicable to contracts over $100,000, restrictions on contracts with firearm-related businesses employing ten or more employees, and affirmations regarding ownership by entities from China, Iran, North Korea, or Russia under section 2275.0102. Bidders must submit completed W-9 and Conflict of Interest Questionnaire forms, and a Recycled Content Questionnaire and Affidavit, and must certify compliance with the Immigration and Reform Act of 1986, federal debarment lists under Executive Order 12549, and that all submissions are human-authored. Payment terms require invoices to be submitted to the Collin County Auditor’s Office with a valid purchase order number, vendor tax ID, itemized