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5.2
Slope
When installing a system within a distance of less than 5 metres from a slope, mound, or embankment
featuring an incline exceeding 5°, a structurally calculated supporting wall is mandatory. This wall must be
designed to withstand the pressure of the soil, extending beyond the system by a minimum of 0.5 metres
in all directions and maintaining a distance of at least 1 metre from the
5.3
Pre-treatment
All rainwater directed to the infiltration system necessitates a treatment stage. This can take the form of a
settling basin, filter shafts, or straightforward filters designed to remove dirt particles from incoming water.
Preventing the ingress of dirt is crucial, as the infiltration system's performance diminishes when clogged
with fine particles, potentially leading to a
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5. Selecting the location
blockage.
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system.
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