Article 5.1.7 of Building Design Fire Prevention Code GB 50016--2006 stipulates that the maximum fire partition of basement is 500 square meters.

The note says: "When automatic fire extinguishing system is installed in the building, the maximum allowable floor area of the fire partition can be increased by 1.0 times according to the provisions of this table." So the fire partition can be expanded to 1000 square meters.

Article 5.1.13 Underground stores shall comply with the following provisions:

1 Business halls shall not be set up in the third underground floor and below the third floor;

2 Commodities whose fire hazards are the attributes of Class A and Class B stored goods shall not be operated and stored;

3 When there are automatic fire alarm systems and automatic fire extinguishing systems, and the interior decoration of the building complies with the current national standards When the relevant provisions of the Code for Fire Protection of Building Interior Decoration Design GB 50222, the maximum permissible floor area of each fire protection partition of the business hall can be increased to 2000m2;

4 Smoke prevention and exhaust facilities should be set up;

Therefore, the fire protection partition of the underground store can be 2000m2.

Article 5.1.15 when the dance hall, video hall, nightclubs, screening hall, karaoke hall (including karaoke function of the restaurant), amusement hall (including electronic amusement hall), sauna (excluding the bath part), Internet cafes and other entertainment venues must be arranged on both sides of the bag-shaped aisle or at the end of the entertainment venues, the evacuation door of the farthest room to the nearest safe exit distance should not be greater than 9 m. When must be arranged in the building, the evacuation door to the nearest safety exit should not be greater than 9m. 9 m. When must be arranged in the building on the first, second or third floor outside the other floors, should also comply with the following provisions:

1. Should not be arranged in the second underground and below the second floor. When arranged in the first floor, the first floor of the first floor and the height difference between the floor of the outdoor entrance should not be more than 10m;

2. The floor area of a hall or room should not be more than 200m2 and should be separated from other parts by the non-combustible partition wall with fire resistance limit of not less than 2.00h and the non-combustible floor slab with fire resistance limit of 1.00h. The evacuation doors of the halls and rooms should be set up with fire doors of class B;

3. Smoke prevention and exhaust facilities shall be provided in accordance with Chapter 9 of this Code.

Expanded information:

Introduction of fire protection zoning

The purpose of fire protection zoning in the design of the building is to prevent the expansion of fire, and the fire protection zoning can be carried out for the building according to the different uses and properties of the rooms, and fire protection zones should be set up in the zones. Firewalls, fire doors, fire shutters and other equipment. In the building design, usually provides: stairwells, ventilation shafts, duct space, elevators, escalators lift access and other parts of the formation of the shaft to be used as a fire partition.

Fire partition classification

Fire partition according to its role can be divided into: horizontal fire partition, vertical fire partition. Horizontal fire separation: firewalls, fire doors, fire windows, fire shutters, fire curtains, fire curtains, etc., the building's walls objectively also play a role in fire separation. Vertical fire separation: floor, refuge floor, fire eaves, functional conversion layer and so on. Vertical fire partitioning to prevent the spread of fire between the layers of multi-storey or high-rise buildings vertically. Horizontal fire protection zoning, to prevent the spread of fire in the horizontal direction to expand.

Vertical fire zoning

Vertical fire zoning refers to the use of fire-resistant floor and window wall (including window wall), in the vertical direction of the building on each floor of the fire separation.

Horizontal fire protection partition

Horizontal fire protection partition refers to the fire protection area that separates each floor horizontally with fire walls or fire doors, fire shutters and other fire protection separators. It can prevent the fire from spreading horizontally on the floor. The fire partition should be separated by fire walls. If there are difficulties, the fire shutter can be used with cooling water curtains or closed sprinkler system, or the use of fire separation water curtains to separate the...?

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