Method and system for emergency evacuation of building occupants and a method for modernization of an existing building with said system

A method for emergency evacuation of occupants from a multi-story building having a plurality of floors, a stairway, and at least two elevators, each with an elevator car being positionable at selected landings of the floors, the method comprising the steps of:

• determining substantially the total number of building occupants in the building by a destination call identification device, from which calls are fed into a control unit and allocated to elevators, an elevator user being then transported to a destination floor and the number of elevator users transported to destination floors being counted and stored in a memory;
• detecting an emergency condition in the building;
• defining at least one evacuation zone in the building during the emergency condition;
• defining at least one designated floor in the building during the emergency condition;
• and
• evacuating the building occupants from the evacuation zone to the designated floor with at least two elevator cars being positioned at a common floor in the evacuation zone with their doors opened.

A system emergency evacuation of occupants from a multi-story building having a plurality of floors, a stairway and at least one elevator with an elevator car positionable at selected landings of the floors, comprising:

• first means for determining the number of building occupants in the building by a destination call identification device, form which calls are fed into a control unit and allocated to elevators an elevator user being then transported to a destination floor and the number of elevator users transported to destination floors being counted and stored in a memory;
• second means for detecting an emergency condition in the building;
• and
• the control unit for determining substantially the total number of building occupants in the building, the control unit being operative to define at least one evacuation zone in the building during the emergency condition, the control unit being further operative to define at least one designated floor in the building during the emergency condition, whereby the building occupants are evacuated from the evacuation zone to the designate floor by at least one of the elevator car and the stairway.