Change Order Notice I-21-4809, Tri-State Tollway Roadway Reconstruction & Widening

The Illinois State Toll Highway Authority is giving notice to supplement contract I-21-4809 with the Bowman Consulting Group, Ltd., OSEH, Inc., Alfred Benesch & Company (Team) for Phase III construction management services for construction contract I-21-4834, Tri-State Tollway Roadway Reconstruction and Widening from Ogden Avenue to Cermak Road. The scope of work includes on-site inspection, layout review of contract including design changes, geotechnical inspection and testing, records preparation, documentation, preparation of pay estimates and change orders, and other duties as required to complete the construction projects in accordance with Tollway specifications. • The contract was originally solicited on PSB 22-1 and issued under BidBuy Bid Number 22-557THA-ENGCO-B-26929. • The original contract was approved by the Tollway Board on June 16, 2022 via Board Resolution number 22487 for $15,900,000.00. • This supplement increases the contract amount by $2,000,000.00 for a revised contract amount of $17,900,000.00.