Combipoint SSA Surface water sediment treatment system
Combipoint SSA is a sediment removal system which can be used in conjunction with SuDS components.
This point gully system is an upstream pre-treatment component which can be used instead of sediment forebays.
When used with SuDS features serving large developments it will improve the water quality, performance of a vegetated detention basin and reduce longterm maintenance requirements (CIRIA SuDS manual 22.8.1). This prevents open water features from becoming unsightly and odorous and reduces the risk of rapid silt accumulation, which is generally expensive and difficult to extract and dispose of (CIRIA SuDS manual 23.1).
Sediment can be quickly and easily removed from this point source, and the large silt chamber allows at least 71% higher capacity compared to conventional road drains, and at least 32% higher than conventional road drains with silt chamber
Capacity and Treatment
SuDS Mitigation indices
The Combipoint SSA enables a three-stage separation of solids contained in surface water, minimising the solids entering the system. This system is tested and IKT certified, and its mitigation indices can be combined with secondary SuDS components as part of the SuDS Management Train.
Combipoint SSA components
Gully cover and frame
PE body and silt chamber
Outlet and overflow connector 160mm
SSA turbulence reducer
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