Requirements for safety signs for edge protection of foundation pits

The following three requirements are required:

1. Edge protection must be carried out during foundation pit construction. Edges with a depth of no more than 2M can be protected by 1.2M high railings. Foundation pit construction with a depth of more than 2M must also use dense mesh safety nets for closed protection.

2. The distance between the edge protective railing and the edge of the foundation pit shall not be less than 50cm.

3. There should be two upper and lower guardrails facing the foundation pit, floor and roof. The height of the upper pole from the ground is 1.2 meters, and the height of the lower pole from the ground is 0.5-0.6 meters. The distance between the poles should not be greater than 2 meters, and set up footboards or vertical nets. Protective railings should be made of steel pipes, which are strong and reliable, and painted with red and white warning colors.

Extended information

Standard practices for foundation pit edge protection

1. The foundation pit drainage ditch is set outside the protective railing to adopt organized drainage.

2. The protective railings are covered with dense mesh safety nets on the sides of the foundation pit, the "Beware of Falling" safety warning signs are hung in eye-catching places, and night warning lights are set up.

3. When the excavation depth of the foundation pit exceeds 2000mm, protective railings on the edge of the foundation pit must be erected. The protective railings on the edge of the foundation pit are erected with steel pipes. Three horizontal poles are set up, and the distance between the vertical poles is no more than 1800mm. The vertical pole is driven into the ground to a depth of ≥700mm.

4. The lower part of the protective railing is equipped with a 200mm high and 18mm thick wooden plywood toeboard. The horizontal poles, vertical poles and toeboards of the protective railing must be painted with red and white warning paint with a spacing of 400mm. All horizontal poles control the extension. 100mm out of the outside of the pole.

Baidu Encyclopedia - Foundation Pit Support

Baidu Encyclopedia - Construction Site Safety Protection