What are the requirements for the evacuation width of various walkways, stairs and passages in commercial properties?

A) The clear width of evacuation stairs and walkways in shopping malls should be determined according to the actual number of evacuees;

B) The minimum clear width of stairs and walkways in single-storey and multi-storey shopping malls should not be less than1.1m; The minimum clear width of stairs in high-rise shopping malls should not be less than 1.2m, and the minimum clear width of walkways should not be less than 1.3m (single aisle room) or 1.4m (double aisle room).

The minimum clear width of stairs in underground civil air defense shopping malls should not be less than 1.4m, and the minimum clear width of walkways should not be less than 1.5m (one-sided walkway room) or 1.6m (two-sided walkway room). The minimum clear width of the first floor evacuation door should not be less than1.4m; ;

C) The shelves and counters in the business hall of the shopping mall shall be arranged to facilitate the safe evacuation of personnel. The clear width of the main evacuation passage should not be less than 3m, and the clear width of other evacuation passages should not be less than1.8m.

See Code for Fire Protection Design of Buildings and Code for Fire Protection Design of High-rise Civil Buildings for details.

Extended data:

According to the division of the tertiary industry and the three attributes of commercial real estate, commercial real estate can be roughly divided into:

(1) office property

Refers to the places used by various commercial institutions to engage in business management, also known as business premises. Commercial buildings are the product of the development of commodity economy and social specialization. When the commodity economy develops to a certain extent, it objectively needs a centralized office space, so commercial buildings come into being and develop rapidly. According to different angles, commercial buildings can be divided into the following different types:

(1) According to the size of the building area, it can be divided into small, medium and large.

(2) According to the function of commercial buildings, they can be divided into simple type, commercial and residential type and comprehensive type.

(3) According to the degree of modernization of buildings, it can be divided into intelligent buildings and non-intelligent buildings.

(4) According to the comprehensive factors such as building grade, location and profitability, it is divided into Grade A office buildings, Grade B office buildings and Grade C office buildings.

Baidu encyclopedia-commercial real estate