Combipoint SSA Surface water sediment treatment system

Combipoint SSA is a sediment removal system which can be used in conjunction with SuDS components. 

sediment removal system

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

  • Capacity:10 l/s
  • Treatment: Approx 98% course grained content, 76% fine-grained content and 10% suspended solids are removed

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 Mitigation Indices

Features

  • The multifunctional, dirt resilient and
    robust double hinge enables easy,
    quick opening
  • No mortar joint
  • Made from Polyethylene (PE)
  • Attachments suitable for the use of silt bucket in accordance with DIN 4052-4
  • Pipe connection 160mm
  • Monolithic gully body
  • Pipe connection suitable for heating coil welding sleeves

Benefits

  • Sediment can quickly and easily be removed
  • Load dispersed due to elimination of the mortar joint
  • Can be used as part of a SuDS treatment train
  • Upstream pre-treatment component which can be used instead of sediment forebays
  • Prevents open water features from becoming unsightly and odorous and reduces the risk of rapid silt accumulation

Recommended Applications

  • Sediment removal before swales, detention basins and ponds

Combipoint SSA components

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