What is the practice of foundation pit fence?

protective measures for foundation pit

limb protection

The specific methods are as follows:

1. The limb protective railings are made of steel pipe railings and balustrades with φ Φ48* 3.5mm pipes, which are fixed by fasteners or electric welding.

2. The protective railing consists of two cross bars and balustrades. The height of the upper cross bar is 1.2m from the ground, the height of the lower cross bar is .6m, the total length of the vertical bar is 1.7m, and it is buried .5m. The distance between the vertical bars is 2m. A C15 concrete block foundation is set for the vertical bars every 4m. The size of the concrete foundation is .3x.5m, and the vertical bars are set in the middle.

3. The protective railing must be closed with safety net from top to bottom, and the safety net should be closed to the height of the top surface of the brick wall. At the bottom of the railing, 24 brick walls with a height of 3 cm shall be tightly fixed and plastered with mortar.

4. All guardrails shall be painted with red and white paint with striking warning colors. The interval between red and white paint of steel pipes shall be 2CM. A 4m-wide safety passage shall be set on the west side of the foundation pit according to the brush slope, and warning signs such as "Do not climb over" and "Beware of falling" shall be hung around the guardrails.

5, around the foundation pit, it should be clearly warned that the stacked steel wires should not exceed the warning line of 3 meters at the edge of the foundation pit, and it is forbidden to pile up all materials in the warning line at the edge of the foundation pit.