Raingarden and biorentention areas often incorporate overflow pipes, set at a suitable level to prevent saturation the area and to allow a pre-determined freeboard area.

ACO’s SuDS Overflow gullies can be utilised in rain gardens and bioretention areas to protect overflow pipes from debris ingress and from accidental damage to the exposed pipe.

Two options are available; a ductile iron gully for larger SuDS installations and an ABS plastic gully for smaller areas. Both feature wide inlet areas minimising blockages, and their black finish will discreetly blend into the surrounding flora.

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