The Tennessee Department of Transportation is soliciting bids to establish a contract to provide labor, equipment, materials and supplies for concrete stabilization. This work shall consist of stabilizing existing Concrete Pavement Slabs by injecting high density polyurethane beneath the concrete slab. The purpose of this operation is to fill voids beneath the slab; then lift and stabilize the slab to existing grade. This work shall include drilling injection holes, placing of material, testing and surveying to control the lift of the pavement, cleanup, and other related work. Contractor shall have a minimum five (5) years’ experience injecting 2-part polyurethane beneath pavement to stabilize soils. Evidence of prior experience must be submitted with the bid documents. Provide reference of 3 successfully completed contracts in the previous 3 years.