Power Supply System
For a more efficient power supply, a separate substation with two transformers (630 kWa each) has been installed in the building. For a continued and uninterrupted power supply, a generator has been installed for automatic activation of reserve power.
For enabling a special group of power consumers in case of emergency (evacuation and emergency illumination, indicators of exits and fire cocks, systems of fire and intruder alarms, automatic firefighting, access control, smoke ventilation, elevators etc.), a Wilson diesel generator (175 kWa) has been installed, which is automatically activated when voltage is lost at the transformer substation.
Power supply to each floor is provided from electrical units by two independent copper cable lines.
The staircases and escape routes are equipped with automatic emergency lighting. The emergency indicators are powered by rechargeable batteries (with the durability of 3 hours).
All cables are isolated with a coating that is nonflammable and does not emit any halogen substances when burning.
The main and switch cable lines of collectors ensure the building’s functioning in case of a fire. The cables are nonflammable and resistant to temperatures of 750 degrees for 3 hours.
The building is equipped with the following types of artificial lighting:
- Work lighting
- Emergency lighting
- Evacuation lighting
- Outside lighting
- Repair work lighting
- Advertising lighting
- Decorative lighting for night illumination of the building.
Electric lighting in the offices is provided by Philips lamps with luminous tubes of 4×18 W each and illumination of 300 Lx. The illumination of corridors, elevator halls of the floors 2—11 and staircases is combined and provided by lamps with luminous tubes and point halogen lamps, with energy saving lamps used for the entrance hall on the first floor.
Office power usage is recorded regularly by electricity supply meters.
