The business hall of underground or semi underground stores shall not operate, store and display class A and class B fire dangerous goods.
three ️⃣ Class a insulation materials shall be used for internal and external insulation of building exterior walls.
These three key memories! 03no16: this form is the key to winning the test site “building explosion protection” of fire protection! I hope more fire test sites, a few complaints, suggestions and feedback, please pay attention to the official account of private letter reply [400] feedback question (Monday to Sunday 9:00-18:00).
The knowledge point belongs to a high-frequency test point, which is a combination of three subjects, and the test accounts for about 6 points.
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eight ️⃣ Fire hose reels or portable fire hoses shall be provided.
two ️⃣ When it is set underground or semi underground, the combustion performance of decoration materials (ceiling, wall and ground) shall be a, a and a.
two ️⃣ Store buildings with a building area of more than 1000 m2 on any floor above 24m in height belong to class I high-rise public buildings.
Thanksgiving meet ~..
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seven ️⃣ The building area is more than 100m ² Smoke exhaust facilities shall be set in the aboveground rooms where people often stay.
Previous knowledge points (click on the title to learn Oh ~) 01no18: 3-minute work gram calculation problem “plant pressure relief area”! 02no17: the second bullet of “building explosion-proof” is required for fire protection.
Building fire extinguishers are equipped with warehouses and pavements in department stores, supermarkets and comprehensive shopping malls.
Configuration of fire fighting facilities 1 ️⃣ The building area of any floor is greater than 1500m ² Or the total construction area is greater than 3000m ² The business hall of single and multi-storey stores shall be equipped with automatic sprinkler system.
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three ️⃣ The building area of any floor is greater than 1500m ² Or the total construction area is greater than 3000m ² The business hall of the store shall be equipped with an automatic fire alarm system.
six ️⃣ The total construction area is more than 5000m ² The total floor area of the above ground shopping mall is more than 500m ² For underground and semi underground shopping malls, light evacuation indication signs or light storage evacuation indication signs that maintain continuous visual guidance shall be added on the ground of evacuation walkways.
There are 249 days to go before the Yixiao test – text – hi ~.
Today, share the knowledge point “fire protection requirements for store buildings”.
From the beginning of March, little tie will share a knowledge point and start a new march together.
If the adjacent areas do need to be connected locally, the outdoor open space such as sunken square, fire compartment, refuge walkway, smoke proof staircase and other methods shall be adopted for connection.
Knowledge sharing # 01 # building classification 1 ️⃣ The total construction area is more than 20000m ² The store building or the comprehensive building with a building area of more than 15000 m2 of the store business hall is an important public building.
The business hall of the shop with plane layout shall not be set on the third floor and below the ground floor.
four ️⃣ It is set underground and semi underground, with a total construction area of more than 500m ²， Automatic fire alarm system shall be set.
The fire risk level of a single fire extinguisher shall not be less than 2A.
two ️⃣ It is set underground and semi underground, with a total construction area of more than 500m ²， Automatic sprinkler system shall be set.
The protection radius of portable fire extinguisher shall not be greater than 20m, and that of wheeled fire extinguisher shall not be greater than 40m.
five ️⃣ The evacuation walkway shall be equipped with emergency lighting lamps, and the ground illumination of the lamps shall not be less than 3.0lx.
Safe evacuation 1 ️⃣ Store evacuation distance 2 ️⃣ Personnel density # 05 # building decoration and thermal insulation materials 1 ️⃣ When set on the ground, the combustion performance of decoration materials (ceiling, wall and ground) shall be a, B1 and B1.
The aboveground building area is more than 200m ² The underground building area of the business hall is more than 100m ² Emergency lighting lamps shall be set in public places, and the ground illumination of lamps shall not be less than 3.0lx.
Fire compartment and partition 1 ️⃣ When the automatic fire extinguishing system and automatic fire alarm system are set in the shop business hall and exhibition hall in the buildings with fire resistance rating of class I and II in the fire compartment, and the non combustible or non combustible decoration materials are used, the maximum allowable building area of each fire compartment shall comply with the following provisions: (1) when it is set in the high-rise building, it shall not be greater than 4000m ²； (2) When it is set in a single storey building or only in the first floor of a multi-storey building, it shall not be greater than 10000m ²； (3) When it is set underground or semi underground, it shall not be greater than 2000m ²。 two ️⃣ The total building area of fire separation is more than 20000m ² Underground or semi underground stores shall be separated into multiple stores by firewalls without doors, windows and openings and floor slabs with fire resistance limit of no less than 2.00h, and the building area shall not be greater than 20000m ² Area of.
