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 benefits are advertised in 3 partial lots. This is lot 02.

Sewer cleaning and optical sewer inspection.

- Sewer cleaning main channel DN 150 to 300 approx. 26,500 m

- Sewer cleaning main channel DN 300 to 800 approx. 10,700 m

- Sewer cleaning main channel DN 800 to 1600 approx. 3,300 m

- Remove root ingrowth and drainage obstacles for approx. 910 hours

- Cleaning the connection cables approx. 146,400 m

- Documentation of connection cables approx. 9,760 pcs

- Main channel TV examination DN 150 to 1600 approx. 40,500 m

- Continuous deformation measurement approx. 2,025 m

- Shaft accommodation approx. 1,364 pcs

- Connection cable TV examination approx. 48,800 m