The Wind Turbine Tower on the Sinter Plaza helps improve the water quality of the Clear Water Canal. The central feature of the tower is a wind turbine which is very efficient even in low winds.
Its many blades drive an Archimedes’ screw in the lower part of the tower which raises on average 15 to 27 litres of water from the Clear Water Canal into a container on the tower. From there the water flows via pipes along the high promenade to the Bunker Gardens so that, in dry spells, the plants in the Bunker Gardens can be watered.
When this isn’t necessary, the water flows back via a catchment basin to a water shoot where it falls from a great height, clearly audible and visible, into the Clear Water Canal enriching it with oxygen.
A fact worth knowing: for safety reasons, when the wind speed reaches 5 (fresh breeze), the wind turbine turns independently out of the wind.