What is the minimum size of the fire doors of the hotel fire stairs?
Evacuation staircase and walkway on the ladder should not be used spiral staircase and fan stepping, but stepped up and down two levels formed by the plane angle of not more than 10 °,
And each step from the handrail 0.25m stepping width of more than 0.22m, may not be limited.
The total width of each staircase should be calculated according to its number of people per 100 people is not less than 1.00m, the number of layers are not equal, the total width can be divided into sections, the total width of the lower evacuation staircase should be based on the upper layer of the largest number of layers
You are the hotel to evacuate the staircase of the minimum net width of 1.20 (m)
Outdoor staircase can be used as an auxiliary smoke staircase, the minimum net width should not be less than 0.90m. When the tilt angle is not greater than 45 °, the railings are handrails
First, GB 50016-2006 "Architectural design fire safety regulations" on the height of the fire door is not specified, the width of a clear calculation and indicators, generally not less than 1100mm. GB12955-2008 "fire door" in the requirements of the size of the fire door in line with GBT 5824-2008 "building doors and windows hole size series" requirements. GBT 5824-2008 "Building doors and windows hole size series" in Table 1, for more than 900mm door height of the minimum 2000mm.
Summary, the hotel's fire door minimum size width of 1.1m high 2.0m.
Second, the fire door of a brief introduction:
By the Ministry of Economic Affairs designated accredited laboratories, according to the January 1, 2009 implementation of the new version of the fire door national standard GB_12955-2008, fire door fire test test qualified, and obtain the Ministry of Economic Affairs Standard Inspection Bureau issued a verification certificate and authorized logo , Called the fire door. The NFPA and IBC specifications define a fire door as "a combination of any fire doors, doors, hardware and other accessories that can jointly provide a certain degree of fire protection for the opening."
Third, the icon:
Of the height of not less than 1.10m, the outdoor staircase width can be included in the total width of the evacuation staircase.
Outdoor staircase and each floor of the exit platform, should be made of non-combustible materials. The fire resistance of the platform should not be less than 1.00h. Around the stairs around 2.00m
Inside the wall, in addition to evacuation door, should not open other doors, windows, holes. The evacuation doors shall be of Class B fire doors and shall not be on the stairs.
Public buildings within the bag-shaped walkway to the end of the balcony, corridor, should be connected to the upper and lower access to the auxiliary evacuation facilities
