What is the width requirement of fire escape?

Fire escape refers to the passage for firefighters to rescue and evacuate trapped people.

1. Provisions on the width and height of fire exits in shopping malls:

(1) The personnel evacuation walkway shall be calculated and determined according to the number of evacuees, but the minimum clear width shall not be less than1.4m.. The passage exceeding 10000 square meters shall not be less than 2.4M

(2) The width of the fire lane should not be less than 4.00m, the fire lane should be more than 5.00m away from the exterior wall of the high-rise building, and there should be no obstacles below 4.00 m above the fire lane.

2. Provisions on the width and height of indoor fire escape:

The respective total widths of evacuation walkways, emergency exits, evacuation stairs and room evacuation doors in buildings shall be determined by calculation. The clear width of emergency exits and room evacuation doors should not be less than 0.9m, and the clear width of evacuation walkways and stairs should not be less than1.1m; For a unit house with no more than 6 floors, when railings are set on one side of the evacuation stairs, the minimum clear width should not be less than1.0m.