Dane County is inviting Bids for construction services to install a (CNG) compressed natural gas detection and ventilation system (includes construction of walls and installation of over head door). Only forms with capabilities, experience and expertise with similar projects should obtain this Request for Bids document and submit bids. A pre-bid facility tour will be held June 16, 2016 at 10:00 AM at the Public Safety Building, starting at West Wilson Street entry. Bidders are strongly encouraged to attend this optional tour.