Dewatering means removing water from a construction site before you start building. It’s one of the first and most important steps.
Without dewatering, construction sites can become unsafe, foundations can get weak, work may get delayed, and costs may increase.
For shallow digging, many small pipes (wellpoints) are put in the ground and connected to a pump to remove water.
For deep digging like basements or underground parking, deep wells with pumps are used to pull water from below the ground.
In clay or heavy soil, electro-osmosis helps move water. Cutoff methods use barriers to block water from entering the site.
Small pits are dug at low points where water collects. Pumps then remove this water. This is common for small projects.
Skipping dewatering can cause soil shifting, waterlogging, project delays, higher costs, and safety problems.
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