THIS IS ORIGINAL RFP ONLY. PLEASE SEE ADDENDA #1 & #2 ALSO. Dane County requests proposals for the design, fabrication, delivery, installation, and start-up of a gas conditioning and compression system to convert landfill gas into high BTU biomethane at the Rodefeld Landfill in Madison, Wisconsin. Proposals for the operation and maintenance of the gas conditioning and compression system for the first two years after system startup will also be accepted, but are optional.