Rotary Screw Air Compressor, 20HP, Quincy Compressor #QGD-20 or approved equivalent. To include the following: 1. Rotary Style 460 volt 3 phase 60hz compressor rated at 20hp@150 PSIG 2. Wye delta motor starting 3. Air after cooler/pre filter moisture trap; Installation of new compressor, Set-up and Removal of current compressors to include the following: 1. Unhook backup units (1) Ingersoll-Rand T30 air compressor and (1) Zeks-Therm 200HSBA400 air drier from air lines. 2. Remove both backup units from balcony mounted position and set on ground for City of Columbus disposal 3. Cap off all air lines previously running to the balcony mounted air compressor and drier as close as possible to main trunk airline running along the ceiling. Remove excess pipe and dispose.