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This document is a solicitation for bids from the Illinois Department of Natural Resources for a Herbicide aerial application by helicopter on the Kaskaskia River.

The scope of work includes the aerial application of herbicide over approximately 4,000 acres of the Kaskaskia River to control invasive aquatic vegetation. Bids are due by June 30, 2023, and the project is scheduled to be awarded by July 15, 2023. The contract term is for one year with an option to renew for up to two additional one-year terms. Bidders are required to attend a mandatory pre-bid conference on June 15, 2023 to review the project requirements.