The overall performance will be awarded in 2 lots:
- Lot 1: cleaning and optical inspection of the pipe systems at the circular waste disposal site "Sauloch" in Hechingen;
- Lot 2: cleaning and optical inspection of the pipe systems on 3 old landfills in the Zollernalb district.
Cleaning and optical inspection of the pipe systems at the “Sauloch” waste disposal site in Hechingen- once a year sewer and shaft cleaning of the drainage system (beginning to mid-April each year);
- Annual sewer and shaft cleaning and optical inspection of the drainage system (mid to late September each year).
Cleaning and optical inspection of the pipe systems on 3 old landfills in the Zollernalb district- Annual sewer and shaft cleaning and optical inspection of the drainage system at the following landfill sites;
- "Lindenwasen" old landfill in Hechingen-Stetten (mid to late June each year);
- “Geißbühl” old landfill in Balingen-Heselwangen (mid to late June each year);
- Old landfill “Grund” in Haigerloch-Stetten (no special deadlines).