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Infiltration expertise from GRAF

People are increasingly calling for local infiltration of rainwater in response to ever more common severe flooding. As more and more surfaces are sealed with buildings, car parks and roads, the sewer system is having to work harder, especially in built-up areas, and the risk of flooding increases.

System Design

How does infiltration of rainwater work?

Video EcoBloc System

Video: Stormwater Management EcoBloc System

Video Infiltration Tunnel

Video: How does an infiltration tunnel work?

Planning and sizing

Planning, sizing and designing retention systems with EcoBloc storage modules

In Germany, an area of around 129 hectares, the equivalent of 175 football pitches, is built over or sealed with buildings every day. This is resulting in flooding and ecological and economic damage on a scale never seen before. Sealing ground surfaces with buildings also lowers the groundwater level – the natural cycle is broken. GRAF's intelligent infiltration systems take account of this. The EcoBloc Inspekt flex infiltration modules and percolation tunnels combine the need to dispose of rainwater in an environmentally sensitive way with scope for saving sealing fees. Local infiltration of rainwater also takes the strain off the sewer network and wastewater treatment systems.

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