High water ditch
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For buildings that suffer from low groundwater levels and have problems with pile rot, so-called high water ditches are sometimes used as compensatory measures for soil subsidence and lowering the surface water level in the surrounding area. This is a higher water-bearing ditch where surrounding water is being pumped up. This higher waterlevel helps to maintain the groundwater level below the buildings. A cost assessment is made between the installation of such a ditch, the replacement and / or repair of the foundation.