The U.S. Geological Survey requires a mechanical or HVAC contractor to repair and restore the existing HVAC system at the Ohio-Kentucky-Indiana Water Science Center. This opportunity is set aside for small businesses under NAICS code 811210. Award will be made to the lowest-priced, technically acceptable offeror, who must provide detailed technical documentation for proposed equipment. All quoted products must be authentic, manufacturer-certified, and in original packaging. Questions and quotes must be emailed to the Contracting Officer.