Operation and Maintenance of all Electrical and Mechanical Installations at the Supreme Court Building and the Prosecutor’s Office. Air Conditioning (Hydro-Cooling Chillers, Closed Circuit Cooling Towers, Primary and Distribution Centrifugal Pumps, Central Air Conditioning Units, Natural Gas Boilers), Natural Gas Network, Fire Extinguishing System, Mid-Low Voltage Substation with Moisture Oil, X-Ray Handbag Control System, Central UPS System, Call Center, Speaker Installation, Water Supply Network – Sewerage Network, Pump Systems.