What safety and fire prevention measures are needed during foundation pit excavation?

There are five cards and one map at the entrance and exit of the gate, and the field personnel are familiar with the general situation of the project and the systems and control points of safety, quality and fire control.

2 safety signs, posters, slogans, emergency rescue procedures, etc. In the project office area and the fence around the foundation pit, signs and warning signs are set in the safety key parts of the production area.

3. The hole less than 1500mm is protected by steel grating, which is covered with wooden springboard or bamboo veneer. A safety net shall be set for the hole not less than 1500mm, and the surrounding area shall be protected by steel railings.

4. Temporary safety lighting shall be provided for main construction sites and safety evacuation passages. Hot work personnel should hold relevant certificates. Before hot work, go to the project department to apply for a hot work permit, set fire extinguishers in the processing area, steel processing shed, warehouse and office area, set fire racks near the entrance and exit of the production area, and set temporary fire hydrants, fire extinguishers, hoses, fire buckets, fire shovels, fire axes and other tools in the fire racks.

5. According to the layout of foundation pit monitoring points, conduct real-time foundation pit monitoring on the site, monitor the horizontal displacement and settlement of foundation pit edge, the tensile stress value of anchor rod, the horizontal inclination measurement of foundation pit, the groundwater level and the settlement of surrounding pipelines, focus on strengthening safety management for the parts where the monitoring value exceeds the early warning value, and take necessary reinforcement technical measures to prevent foundation pit collapse.