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A trench filled with a media having a large void ratio allowing water storage. Good for small developments restricted by soil types . Suitable for small developments where soil type permits. One of the most common forms of SUDS system installed. Infiltration trenches are classed as type 3 SUDS since they can completely prevent discharge. However, a groundwater risk assessment is essential prior to installation.

Construction of road drainage in edinburgh
Construction of road drainage near Edinburgh
DEX - permeable paving and filter drain at TESCO
DEX - permeable paving and filter drain at TESCO


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