I-26-2046 Item 9 PSB 26-1 Professional Services Bulletin

Stantec Consulting Services Inc. has been awarded a contract by the Illinois State Toll Highway Authority (ISTHA), a division of the State of Illinois, for professional engineering design services related to the Elgin O'Hare Western Access (I-490) project. The contract, designated I-26-2046 under Professional Services Bulletin 26-1, Item 9, encompasses Phase II engineering design services for the West Landside Reserve Area, located adjacent to the future Illinois Route 390 and I-490 interchange in the DuPage and Cook County regions. The total contract value is $11.9 million on a not-to-exceed basis, with performance scheduled from October 1, 2026, through July 15, 2036.

The scope of work includes preparation of contract plans, specifications, and estimates, along with associated project permitting activities. Design deliverables encompass earthwork, fencing, lighting, watermain and sanitary sewer systems, utilities, drainage improvements, local circulator roadway and parking lot infrastructure, facility construction, landscaping, and erosion control measures. Stantec Consulting Services Inc. has committed to Business Enterprise Program utilization goals requiring 30.03 percent Disadvantaged Business Enterprise (DBE) participation and 5 percent Veteran-Owned Small Business (VOSB) participation. The contract was awarded through a Qualifications-Based Selection process on October 1, 2026, with primary agency contact Tiffany Merrill at ISTHA located in Downers Grove, Illinois.