BOUND SURFACING
Low-cost SuDS Components Controflow chambers can also maximise storage in permeable paving on sloping sites , with terraced compartments separated by simple check dams where necessary . They can also detain water to optimise ground infiltration , so reducing discharge volumes . Controflow chambers also simplify verification of performance required by approving and adopting authorities , and are easy to access for inspection , measurement or sampling .
Controflow control chambers separate sub-catchments in this SuDS regeneration project in central Sheffield .
realising a key aim of SuDS to keep water management on or near the surface .
SuDSstore co-founder Bob Bray said : ‘ As a SuDS designer for over 20 years , it was clear to me that a new approach was needed to meet the aspiration of a ‘ controlled flow of clean water ’ from developments . The solution was small , simple flow controls for shallow construction to maximise storage opportunities . The new generation Controflow range has been developed to provide straightforward , simple flow control products to satisfy today ’ s SuDS requirements ’.
These low-cost components made using recyclable materials for use throughout SuDS management trains are simple to install , with minimal maintenance over the long term .
All orifice flow controls should be protected to prevent debris from entering the chamber . Use of Controflow chambers with permeable paving avoids the need for orifice protection , as this is provided by the pavement surface and sub-base .
In other situations , Controflow SuDS Baskets for filling with stone act as attractive inlets or outlets that protect pipe openings and flow control orifices , or as erosioncontrol to enable gentle water flows down slopes . The baskets are manufactured in stainless steel mesh and supplied with all the components for quick assembly on site .
Controflow chambers are specially designed for SuDS .
Importantly for biodiversity ,
Controflow chambers , inlet and outlet baskets – together with short pipe connections – reduce the risk of wildlife mortality dramatically .
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