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Shi Yan: Summary the formation of the evacuation door settings, opening direction and fire prevention requirements!

At the same time, this article discusses major controversy. Intersection

Safety evacuation The evacuation doors involved mainly refer to the doors of the rooms that directly lead to the evacuation aisle, or the door set on the safe exit.

Basic principles: The setting of the evacuation door requires that there will be no blocking or irritable due to evacuation doors during the evacuation door. The evacuation doors to indoor safety areas, and the evacuation door of the room that needs to meet a certain fire separation requirements, requires a fire door.

The first chapter sets the form, the direction of the opening

One The evacuation doors of civil buildings and factory buildings should be opened in the direction of evacuation. Do not use sliding doors, rolling doors, hanging doors, turning doors and folding doors. Except for the production workshop of Class A and B, there are no more than 60 people and every 樘 樘 The average evacuation person is not more than 30 people. limit. ( 6.4.11 )

evacuation stairwell, elevator room or smoke-proof building front room The door of the door should be used. The side door, rolling door, rotating door, or electric door, including the door of the curtain, cannot ensure safety and rapid evacuation under the emergency evacuation of the crowd, and are not allowed as evacuation doors.

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(setting requirements for evacuation doors)

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The flat door opened in the evacuation direction, but the sliding door or rolling door can be used on the outer side of the first floor of the B, Ding, and Wuyan warehouse.

3. When it is fully turned on, the effective width of the stairs should not be reduced. ( 6.4.11 )

Reference Topic: Standardous Disputes-Related Issues of the Evapable Width of the Evacation Gate and the effective width of the staircase platform

4. The evacuation of the discharge of controlling personnel in the venue of personnel dense places needs to be controlled at will. The outer doors of houses, dormitories, and apartment buildings that set the access control system should ensure that no tools such as the use of the key during the fire can be easy to open from the inside, and the sign of using prompts should be set in a significant position. ( 6.4.11 )

Chapter 2 Fire Protection Performance Requirements

1. Usually, in addition to meeting certain fire prevention, Outside of the separated room, there is no special fire prevention requirements to the evacuation door of the evacuation aisle. The conventional glass doors and wooden doors are available.

2. You need to meet the equipment rooms and special rooms of the fire separation requirements, roomsThe evacuation door to the evacuation aisle needs to meet certain fire resistance requirements, such as:

1. Fundamental high -voltage capacitors and multi -oil switch houses ( 5.4.12 ), diesel generator room ( 5.4.13 ), ventilation, air adjustment machine room and power distribution power distribution Room ( 6.2.7 ), the door to the building should be used to use Grade A fire door;

2. The door of the equipment room and other equipment rooms should be opened to the building in the building. The evacuation door of the gas fire extinguishing protection area should not be less than 0.5h. ( 3.2.5 )

4. Catering, shops and other commercial facilities pass through the pedestrian street connection with ceiling, and buildings on both sides of the pedestrian street need to need When using Pedestrian Street for safe evacuation, shops on both sides of the pedestrian street, the fire resistance limit for the fence component on the side of the pedestrian street should not be less than 1.00h, and the physical wall should be used. ,window. ( 5.3.6 )

5. Other parts of the other parts shall be used in the B -level fire door. ( 5.4.9 )

3. The evacuation doors leading to indoor safety areas usually need to use Grade B fire door.

\”indoor safety areas\”, usually including stairwell, front room, shelter, shelter, etc., and the evacuation of these parts Gate usually needs to be used to use B-level fire door;

1. The evacuation door needs to be used to use Grade B fire door.

Note: Underground or semi-underground stores with a total construction area greater than 20000m², when the neighboring area is connected to a smoke-proof staircase, the door of the smoke-proof staircase should be used. Class fire door ( 5.3.5 ).

2. High -rise buildings, densely personnel public buildings, densely personnel multi -storey multi -layer C factories, A, and B factory buildings, the door of its closed stairwell should be used in the B -level fire door and should be opened in the direction of evacuation. Use a two -way spring door (no fire door). ( 6.4.2 )

3. Outdoor stairs can be used as a smoke-proof building or closed stairwell, which leads to the outdoor evacuation staircase The door should use Grade B fire door. ( 6.4.5 )

4. The door of the evacuation staircase and refuge (room) connecting (including the front room door), need Use Class B fire door.

5. The evacuation doors that lead to a shelter of smoke prevention, and the door A fire door should be used. Class B fire door.

4. The evacuation doors leading to outdoor safety areas can usually adopt ordinary doors.

\”Outdoor safety areas\” include outdoor grounds, the roofs, platforms that meet the evacuation requirements and have directly reached ground facilities, and in line with the \”Construction Regulations\” 6.6.4 The sky bridge, corridor, etc.

1. The door to the bridge and corridor needs to be used.

2. Open the door to other \”outdoor safety areas\”, such as: the evacuation doors directly to the outdoor field, the open direction is in line with There is no special fire prevention requirements for evacuation requirements and have the evacuation doors of the upper people who directly reach the ground facilities. Example:

2.1 Swatteal staircase direct outdoor door;

2.2 Expand the closed stairwell or expand the outdoor door of the front room of the staircase of the tobacco prevention building;

Class equipment houses directly pass the outdoor door, such as fire pump rooms, fire control rooms, etc. directly passing outdoor doors, etc.; , Go straightHuman roof door.

The evacuation doors of the above examples have no special fire prevention requirements. Meeting its own functional requirements. (Remarks for supplementary requirements)

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