O1805-01 / Replace Rooftop Units-North County Service Center

The project includes base bid work is the removal and replacement of two existing packaged rooftop units with direct expansion (DX) cooling and gas-fired heating with new in kind packaged rooftop units. Replace the control actuators and thermostats for all existing-to-remain variable air volume (VAV) and fan terminal unit (FTU) HVAV boxes in the building. Replace the existing KMC thermostatic control/automation system with new BACnet compatible building automation system. The Alternate #1 work includes removal and replacement of two existing IT Room split-system indoor ducted fan-coil units and rooftop AC condensing units. The contractor must provide temporary/supplemental cooling of the It Room (during construction cooling outage) to prevent NCSS building State Agency’s server equipment from overheating.