The District invites bids for four projects to control invasive herbaceous and woody plants. Project 1 is an hourly-based contract at Cuba Marsh Forest Preserve; Project 2 is an hourly-based contract at Middlefork Savanna Forest Preserve. Project 3 is an hourly based contract for control of invasive Cattails and purple loosestrife (Typha spp and Lythrum salicaria) at Grant Woods Forest Preserve. Project 4 is also at Grant Woods Forest Preserve and is an acreage unit cost based project for the control of Cattails and purple loosestrife. Bidders can bid on one, two, three or all four projects. Details of each Project are described under Attachment B, Section 2 (Title, Description, Coordination, Goals, and Scope) of the Bid Package.