The sewer flushing works for the period 1.2.2019 to 31.1.2023 include the sewer system of the wastewater disposal system Südheide with a length of around 500 km. The proper cleaning of the ducts DN 150 to DN 500 (partly mixed water) is to be carried out every 2 months by means of a combined high-pressure rinsing and suction wagon every 2 years and special cleaning in selected areas every 6 months. Furthermore, pumping stations are to be cleaned at regular intervals or on demand by means of suction trucks. In addition to cleaning, emergencies and emergencies occur outside the usual working hours.

The sewer flushing works for the period 1.2.2019 to 31.1.2023 include the sewer system of the wastewater disposal system Südheide with a length of around 500 km. The proper cleaning of the ducts DN 150 to DN 500 (partly mixed water) is to be carried out every 2 months by means of a combined high-pressure rinsing and suction wagon every 2 years and special cleaning in selected areas every 6 months. Furthermore, pumping stations are to be cleaned at regular intervals or on demand by means of suction trucks. In addition to cleaning, emergencies and emergencies occur outside the usual working hours.