The job definition
Due to the heavy rainfall and high tide level in the port of Hamburg, the rising water level in the rainwater pipes of the city of Hamburg showed that a connecting slider was not opening properly. The dramatically increasing water level threatened to flood the district of Farmsen.
By dropping a diver into the wastewater shafts, the defective valve could be localized and repaired. After the disturbance had been solved, the accumulated water masses were again able to run in a targeted manner.