疏散楼梯间消防电梯设置的条件（Conditions for setting up fire elevator in evacuation staircase）.docVIP

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疏散楼梯间消防电梯设置的条件（Conditions for setting up fire elevator in evacuation staircase）.doc

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疏散楼梯间消防电梯设置的条件（Conditions for setting up fire elevator in evacuation staircase） Two buildings enclosed staircase set conditions 1, in addition to the podium and unit type residential building corridor type and height of not more than 32m should set up a closed staircase. 2, eleven and eleven floors of residential units may not be closed staircase, but the door should be opened for the second class fire doors, and staircases should be on the exterior wall, and should be directly natural lighting and natural ventilation. 3, twelve layers and eighteen layers of the unit housing should be closed staircase, corridor eleven 4 layer and eleven layer below the housing should be closed staircases, the following 5 public buildings, indoor staircases should adopt closed staircases (including the first layer to expand the closed staircase) or outdoor staircases: hospital, 1 hospital ward building; 2 hotels; 3 more than 2 shops and other crowded public buildings; 4 is provided with public entertainment places and buildings more than 2 layers of the building; the other public buildings, 5 more than 5 levels. When the building area is larger than 650m2, or the distance from the door of any household to the safe exit is greater than 15m, the building unit shall not have less than 2 outlets at each level. When this type of non residential residential buildings more than specified in table 5.3.11, safety exit should not be less than 2. Residential building stair set form shall comply with the following provisions: 1 corridor style residential building when the building more than 2 layers should be set up as the door closed staircase; B fire door, can not set the closed staircase; 2 other forms of residential building when the building more than 6 layers or any layer construction area of more than 500m2 when should set the closed staircase, the pawner door or door and window to evacuation aisle, staircases for B fire doors and windows, can not set the closed staircase. Residential bui