Specifications include, but are not limited to: 1. AHU-4: 20 Ton Gas/Electric RTU, 460V/60hz/3ph service, 200,000 Btu/h heating output, Condenser hail guard, 0-100% economizer/dry bulb control, 2” filter racks, Trane communication card for interfacing with existing Trane VariTrac Central Control panel. Unit is curb mounted with down flow supply and returns. New RTU will fit on the existing curb or vendor will include a proper adapter curb in the quote. This AHU-4 unit replaces existing Trane Model YCD240B4LOFB, S/N R33103591D 2. AHU-6: 25 Ton Gas/Electric RTU, 460V/60hz/3ph service, 200,000 Btu/h heating output, Condenser hail guard, 0-100% economizer/dry bulb control, 2” filter racks. Unit is curb mounted with down flow supply and returns. New RTU will fit on the existing curb or vendor will include a proper adapter curb in the quote. This AHU-6 unit replaces existing Trane Model YCD300B4L0DC, S/N K321018700 Include shipping for both units to Clemson. Both units must be delivered together. Date and time of arrival to be coordinated with Project Manager for direct transfer from truck to roof installation.