What is the national standard for fences?

Nowadays, protective railings are used in many places to ensure the safety of pedestrians. So what is the standard of protective railings? What are the standards for the connection and fixation of protective railings? Let's take a look with Bian Xiao!

What is the standard for protective railings?

1. Any part of the railing shall be able to bear the external force of 1KN without deformation or fracture. When people, vehicles or objects may collide at the railing, the cross section of the crossbar should be increased and the column spacing should be increased.

2. The railing is composed of cross bars and columns. The height of the upper pole from the protective surface should not be less than 1.2m, and the height of the lower pole from the protective surface should not be less than 0.6m However, when the length of the crossbar is more than 2m, a railing post should be added.

3. When the roof slope is greater than 1:2.2, the height from the upper pole to the protective surface should not be less than 1.5m, and cross bars should be added to cover the safety net.

4, someone under the railing or the construction site, to use the full dense mesh safety net for closed processing, or set a height of not less than 180mm under the railing, and will be painted yellow and black.

Standard for connection and fixation of protective railings:

1. Fasteners, threads, bolts, welding or other reliable and safe ways shall be used to connect the protective railings.

2. Protective railings are best fixed by burying, fasteners, bolts, welding or other fixing methods. However, when it is fixed in other ways, it shall be used after accounting by the person in charge of engineering technology of the unit.