What are the requirements for setting fire stairs in hotels?

national standard width dimension of fire escape stairs:

width of fire escape in a shopping mall. Personnel evacuation walkways shall be determined by calculation according to the number of evacuees, but the minimum clear width shall not be less than 1.4m. Channels exceeding 1, square meters shall not be less than 2.4M. Not less than 3.5 meters. Because all buildings must have safe fire exits, the width of fire engines is 2.5, and the specified width of commodity market passages must not be less than 3.5, so as to facilitate the implementation of emergency rescue.

B width of indoor fire escape. The clear width of emergency exits and room evacuation doors should not be less than .9m, and the clear width of evacuation walkways and evacuation stairs should not be less than 1.1m；; The minimum clear width

should not be less than 1.m when railings are set on one side of the evacuation stairs for a unit house with no more than 6 floors.

width of fire escape in plant c. The clear width and clearance height of the fire lane should not be less than 4.m. The slope of the open space for fire engines to stay should not be greater than 3%. Personnel evacuation walkways shall be determined by calculation according to the number of evacuees, but the minimum clear width shall not be less than 1.4m. The clear width and height of the fire lane should not be less than 4.m.

width of fire passage in d community. Fire exits in residential quarters should meet the minimum requirements of 4X4, that is, 4 meters wide and 4 meters high.

E width of escape passage. According to Building Code 516, the minimum clear width of evacuation stairs should not be less than 1.1m, and the minimum clear width of evacuation walkways should not be less than .4m..