In order to avoid surface water, groundwater and other infiltration into the foundation pit, formation of foundation pit flooding, damage to slope stability, and impact on construction progress, it is necessary to adopt a combination of ground interception and drainage in the pit. Before raining, arrange the water collecting pits and drainage ditches in the pit, and prepare pumping things such as submersible pumps. After rain and rain, organize human and material resources to carry out pumping and drainage in the pit and clear the water around the foundation pit.
For rain or heavy rain that lasts for several days, it is necessary to adopt useful water retaining and drainage measures on the ground to prevent much rainwater from pouring into the foundation pit. Submersible pump drainage is used for the drainage of foundation pits. The drainage pipes must be equipped with sufficient length to discharge water to the construction site.
Plan site master plan
The construction in the rainy period is "prevention-oriented", and the site general plan is reasonably planned, and measures that combine rain prevention and enhanced drainage are adopted. To ensure the normal progress of production during the rainy season, and to minimize the impact of seasonal weather on the construction of the project. Before the onset of the rainy season, the overall drainage system of the construction site shall be improved, drainage ditches and water collection wells shall be reasonably arranged, and drainage outlets shall be arranged to ensure smooth drainage.
Plan the scope of duties of each flood prevention and rescue team on the general plan of the site. The junctions of the teams should be stacked. If there is a problem at the junction, both teams have duties.
Increase the frequency of groundwater level observations, keep abreast of changes in groundwater levels and adopt appropriate technical measures.
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