The purpose of this document is to provide interested parties with information to enable them to prepare and submit a bid response for: Multiple Waste & Renewables Air Compressor Systems - Preventative Maintenance and Repair Services. The County intends to use the results of this process to award a contract(s) or issuance of purchase order for the product(s) and or services(s) stated above. The Dane County Department of Waste & Renewables (W&R or County) owns and operates a state-of-the-art Renewable Natural Gas (RNG) Processing Plant that converts landfill biogas into pipeline-quality natural gas for injection into the interstate transmission pipeline. In addition, W&R accepts upgraded gas from dairies and other compressed natural gas (CNG) producers, serving as an injection point for these producers to access the interstate system.