The city of Bad Neuenahr is responsible for the operation and maintenance of wastewater disposal plants (sewage network) in the city area. The city maintains public sewerage with a total length (main canals) of approx. 191 km and house connections of approx. 61 km. About 132 km of main canals were affected by the flood disaster in July 2021. After the flood event in July 2021, all main channels affected by flooding and connecting cables in the public sector are to be traveled and evaluated using a TV examination (condition classification).

The services are advertised in 3 partial lots. This is lot 03.

Sewer cleaning and optical sewer inspection.

- Drain cleaning main sewer DN 150 to 300 approx. 12,000 m

- Drain cleaning main sewer DN 300 to 800 approx. 3,520 m

- sewer cleaning of main sewer DN 800 to 1600 approx. 580 m

- Remove root ingrowth and drainage obstacles approx. 320 d

- Cleaning of connection lines approx. 67,200 m

- Documentation of connection cables approx. 4,480 pieces

- Main channel TV investigation DN 150 to 1600 approx. 16,100 m

- Continuous deformation measurement Approx. 805 m

- shaft holder approx. 700 pieces

- Connection line TV examination approx. 22,400 m