Reqired Numbersof Elevator Per Floor Per Occupant

Occupant evacuation elevator lobbies shall be able to house one wheelchair with a space of 30 inches by 48 inches for every 50 persons within the area the lobby serves.

Reqired numbersof elevator per floor per occupant.

Answer by mayur kanaiya architect. Let s say an average office building is 30 floors and there are 200 employees per floor. The more dense the population the more elevators needed. Number of elevators along with their size speed are primarily determined by design of the building usable areas of each floor number of floors and height of each floor.

The occupant evacuation elevator lobby floor area shall accommodate at 3 square feet 0 28 m 2 per person not less than 25 percent of the occupant load of the floor area served by the lobby. Of service elevators that should be planned is approximately two thirds of the numbers of passenger elevators to be installed. Occupant evacuation elevator oee lobby. A case study for example to organize the number of elevators in a tower that has 13 levels you must follow some steps such as.

Different numbers of elevators different building occupant loads. The ratio of the number of floors to the number of elevators should be two to one or two and a half to one depending on the occupancy of the building. The occupant evacuation elevator lobby floor area also shall accommodate one wheelchair space of 30 inches by 48 inches 760 mm by 1220 mm for each 50 persons or portion thereof of the occupant load of the floor area served by the lobby. That means a total of 200 x 30 6 000 employees work there.

The occupant evacuation elevator lobby shall accommodate 3 square feet per person not less than 25 percent of the occupant load of the floor area served by the lobby. This is achieved by makin. The elevator system required is calculated or estimated accordingly based on. One elevator is required for every 45 000 net usable square feet.

Gsa pbs p100 requires oees in all new gsa buildings with an occupied floor higher than 120 feet in height. Enclosed 1 hr smoke barrier minimum size 25 of floor occupancy at 3 ft2 per occupant 2 hour fire resistance rated shafts exit stair access from oee lobbies directly adjacent to lobby or. Overall occupant evacuation elevator requirements 7. If restaurants are.

Set first the number of people that can be moved in about 300 seconds that is 5 minutes.