Summary of Scopes of Work for Grade Separated Service Roadway A3/A4 at Chicago O'Hare International Airport

This Scope of Work document pertains to the Illinois Department of Transportation and the City of Chicago for the construction of Grade Separated Service Roadway A3/A4 at Chicago O'Hare International Airport. The project involves the design and construction of a grade-separated roadway system serving terminals A3 and A4, including associated infrastructure such as pavements, drainage systems, lighting, signage, and utility relocations. The work encompasses site preparation, earthwork, structural elements, traffic control measures, and restoration of affected areas. The project requires adherence to federal and state specifications, with particular attention to ongoing airport operations and coordination with multiple stakeholders. Specific response dates, bidder meetings, and award timelines are referenced in related contract documents, and the contract term extends through project completion with potential extension provisions for warranty and maintenance obligations.

Pricing for the project shall be established through competitive bidding processes, with cost proposals evaluated against technical qualifications and project schedules. The contract includes requirements for performance bonds, insurance coverage, and compliance with prevailing wage standards applicable to Illinois public works projects. Funding sources include federal grants and local airport revenues, with the total project value and payment schedule specified in the contract terms. The contractor must demonstrate experience with similar airport infrastructure projects and maintain strict quality control standards throughout execution. Environmental compliance, safety protocols, and coordination with ongoing airport operations represent critical performance requirements.