District Wide Invasive Plant Management Project
The Work of this project shall include all labor and equipment to complete control of select
invasive plants, including, but not limited to: Reed Canary Grass (Phalaris arundinacea), Teasel
(Dipsacus spp.), Cattails (Typha spp.), Common Reed (Phragmites australis), Japanese
Knotweed (Polygonum cuspidatum), and Oriental Bittersweet (Celastrus orbiculatus) at various
Forest Preserves in Lake County. More than half of the Work Sites include State of Illinois
Nature Preserves and other high quality areas. Work shall include selective foliar spray and
wick application of herbicide, and chemical treatment of small woody vines / resprouts.
Herbicides, surfactants, water conditioners, and dye will be provided by the Lake County Forest
Preserve District (District). The Contractor shall provide all labor and equipment, including
vehicles, sprayers, wick applicators, other equipment, and time for travel and mixing of herbicide
(off-site), etc., based on an hourly rate, to complete the projects. Hourly rate shall include any
oversight of the field crew deemed necessary by the contractor.
