Specifications include, but are not limited to: The project includes the replacement of twelve HVAC systems and one air handler at five buildings at the zoo. Three RTU’s at the Asian Forest building, two condensers and two air handlers at the Treetops Café building, two condensers, two air handlers, one chiller, and one heat exchanger at the Brazos River Country building, one RTU at the Otter exhibit, two condensers and two air handlers at the Educational building and generally consists of furnishing all labor, materials, equipment, appurtenances, and incidentals as required to remove existing HVAC equipment and replace it with the new equipment in revised location adapted to the existing structural equipment supports. Provide new controls and revised electrical as required.