Specifications include, but are not limited to: - Disconnect and remove one 10 ton unit form curbing. - Remove any remaining gases from unit and properly dispose of it off site. - Remove unit from the Pad and return to owner. - Install one, 12 ton Commercial grade, 17 EER combination electric cool and heat unit, 410A, 208/230 volt, 35 amp, 3 phase. Unit must be Alerton, BACnet program with BACtalk systems compatible and ready. (NO SAMSUNG) There are 5 cassettes on this system: 2- 1 ton and 3- 1 ½ ton. All liquid line set shall be replaced with new line set as well as the metered distribution manifold. Return all scrap copper/aluminum to owner. - All thermostats used shall be hard wired and programmable. - Contractor will use the fused disconnect box, breakers, all conduit and junction boxes already on site and installed by owner.