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Rainwater flooding

Proven
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Issue

Rainwater flooding

Flooding due to heavy rainfall or high surface water levels.

Solution

Watershells

To create a big underground water storage, Watershells can be used. The ground surface above it remains available for other purposes. In Schiedam, Watershells have been applied so that useful surface did not have to be dug out.

Waterblock shells, Bron: WaterWindow

Pros

  • Large storage capacity.
  • It can manage a thick layer of soil, bushes can grow on it (no trees).
  • Heavy vehicles can drive over it.
  • Easy and low frequent maintenance.

Characteristics

  1. Topic Urban water
  2. Development state 10: Proven in operational situation
  3. Setting type Urban area
  4. Water type Rainwater