Standards for foundation pit guardrails

Legal analysis: 1. The edge protection of the foundation pit is made of 30×30mm square steel, the columns are made of 50×50mm square steel, and the base is firmly fixed to the ground using expansion bolts.

2. The height of the protective railing pole is 1200mm, the height of the railing is 1200mm, and the standard length is 2000mm for each step. Paint red and white or black and yellow warning paint and set a safety warning placard in the middle. The bottom is set with a 200mm high red and white Or black and yellow baseboards.

3. Foundation pit drainage measures: Set up ditches outside the protective railings and adopt organized drainage.

4. Set up nighttime warning lights around the foundation pit.

5. The No. 13 reminder sign can also be hung on the outside of the guardrail, and the No. 14 reminder sign can be hung on the inside.

Legal basis: "Technical Specifications for Safety of Earthwork Works in Construction" Article 6 Protective railings must be installed around foundation pits with an excavation depth exceeding 2m. The protective railings should comply with the following regulations:

1. The height of the protective railings should not be less than 1.2m;

2. The protective railings should be composed of horizontal bars and vertical bars; the horizontal bars should Set up 2 to 3 lanes, the height of the lower pole from the ground should be 0.3m~0.6m, and the height of the upper pole from the ground should be 1.2m~1.5m; the distance between the poles should not be greater than 2.0m, and the distance between the poles and the slope should not be greater than 2.0m. The distance should be greater than 0.5m;

3. The protective railings should be hung with dense mesh safety nets and foot guards; the safety net should be closed from top to bottom; the height of the foot guard should not be less than 180mm, and the height of the foot guard should not be less than 180mm. The height from the ground should not be greater than 10mm;

4. The protective railings should be firmly installed and the materials should have sufficient strength.