|The Illinois Toll Highway Authority (THA) is giving its notice of intent to amend its contract with Plote Construction Company, Inc. to provide for Supplemental to Monotube Engineering Costs for work related to I-90 Barrington Road Roadway Reconstruction and Widening.|
Contract Award Amount - $34,374,868.37
Description - The circumstances said to necessitate the change in performance were not reasonably foreseeable at the time the contract was signed. The monotube fabricated and installed under previous contract 5689 provided access hand holes on the two vertical uprights but no access holes for signal installation were provided in the 189-foot horizontal tube spanning Barrington Road. The access handhole were not foreseeable at the time this contract was signed, and the contract plans has no provisions of addressing the issue.