Multilayer building staircase railings height
If you are talking about the evacuation of such staircase railings, usually 1.1-1.2m high, multi-storey building generally no outdoor stairs, if it is a staircase in the atrium, but also need to install additional protection is also standardized
Multi-storey building staircase railings height:
When the height is less than 24m, the height of the railing shall not be less than 1.05m, and the height of the railing shall not be less than 1.10m when the height of the space is 24m and above (including the high and high grade residential).
General Principles for the Design of Civil Buildings GB 50352-2005
6.6.3 balconies, corridors, indoor corridors, inner patio, rooftop roofs and outdoor staircases shall be provided with protective railings and shall comply with the following provisions:
1 railings should be made of sturdy, durable materials and capable of withstanding the horizontal load specified in the load specification;
2 when the height of the air below 24m, the railing height should not be less than 1.05m, the height of 24m and 24m (including high-rise residential), the railing height should not be less than 1.10m;
Note: The height of the railing shall be calculated from the floor height of the floor or roof to the top of the railing armrest. If the width of the rail is greater than or equal to 0.22 m and the height is less than or equal to 0.45 m, it shall be calculated from the top of the step.
3 railings from the floor or roof 0.10m height should not be left blank;
4 railings, nursery, kindergarten, primary and secondary schools and children's special activities of the railing must be used to prevent children climbing the structure, when the use of vertical bar to do railings, the rod clearance should not be greater than 0.11m;
5 cultural and entertainment buildings, commercial services, sports buildings, landscape architecture, etc. to allow children to enter the activities of the place, when the use of vertical bar to do railings, the rod clearance should not be greater than 0.11m.
