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The implementation of a good SuDS system requires what, in order to allow drainage to occur effectively, without damaging elements of the nearby environments?
In designing an SuDS system, considerations need to include the degree of gradient. What should the maximum surface gradient be?
Hydraulically-bound coarse-graded aggregate (HBCGA) can be installed to offer structural support to a system’s design. What standard is HBGCA covered by?
When is a “no infiltration” SuDS system used?
The size of aggregate particles used in a SuDS system’s transfer layer need to be in what range?