Sludge removal by hoovering from Tsurumi
Sludge removal by hoovering from Tsurumi 25 May 2021 A new rainwater retention basin where divers pump cement and sludge out before the underwater concrete floor is installed. (Image: Tsurumi) The divers bring up the loose floor covering from a depth of 4 m. (Image: Tsurumi) Tsurumi’s GPN 415 submersible pump in its element. (Image: Tsurumi) During the construction of a rainwater retention basin, the “hoover of the construction diver” helped to install the underwater concrete floor. Cement suspension, sand, mud and pebbles were removed from the water...
Source: worldpumps.com