The contractor will furnish Ground Transportation Services for The City of Chicago, Department of Cultural Affairs and Special Events (DCASE) and other Using Departments, at Grant Park, Millennium Park and various other locations throughout the City, all in accordance with the terms and conditions of this Specification. The Contractor will be required to furnish Ground Transportation Services for the Department of Cultural Affairs and Special Events (DCASE) festival season which runs from May through September of each year with the peak month being June, but not limited to those times of the year. Pre or post season requests for transportation service may occur. The City reserves the right to add Ground Transportation Services and/or cancel all or part of any transportation services at any time.