Harbin Hulan Hongpusheng Hardware & Building Materials Decoration Complete Collection Chengdu Architectural Decoration Design Stair Design

Stair design should not only ensure that the height and width of stair tread are convenient to use, but also consider safety and other issues, such as:

1. When calculating and determining the number, location and stairwell form of stairs, it is also necessary to consider the safety evacuation and fire control regulations.

2. When the steps need to be changed in a specific place, the minimum width of the stair handrail should not be less than the net width of the steps.

3. Generally, the step distance of each flight should not exceed 18 and should not be less than 3.

4. The clear height of the stairs up and down the aisle should be ≥2m, and the clear height of the flight should be ≥ 2.20m. ..

Generally, one side of the stairs is built against the wall, but for safety, the other side of the stairs needs handrails.

6. The height of the indoor stair handrail should not be 0.90 meters away from the front of the step. When the length of the horizontal handrail near the stairwell is more than 0.50m, its height should not be less than 1 m. ..

7. Anti-skid measures should be taken at the front edge of steps.

8. If children need to climb stairs frequently at home, safety measures must be taken when the clear width of the stairwell is greater than 0.20m; The railing shall be of a structure that is not easy to climb, and the clear distance between the uprights shall not be greater than 0.11m.

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