Lot 1

• Cleaning and inspection of mini pumping stations

• Cleaning and inspecting mountain sedimentation basins and extra dirty pumping stations,

• Cleaning and inspection of sewage pumping stations,

Lot 2

• Foampiggen drukriool

• Cleaning and inspection of mini-pumping stations, approx. 950 pcs/year;

• Cleaning and inspection of mountain sedimentation basins and extra dirty pumping stations, approx. 60 pcs/year;

• Cleaning and inspection of sewage pumping stations, approx. 150 pcs/year.

• Foampiggen pressure sewer approx. 62 km/year.