Cleaning and inspection in the PG4 planning area (Naumburg districts).
PG4 lot 1Cleaning and inspection of the sewer network in the PG4 planning area (Naumburg OT - East).
PG4 lot 2Cleaning and inspection of the sewer network in the PG4 planning area (Naumburg OT - West).
PG4 lot 3Cleaning and inspection of the sewer network in the PG4 planning area (Naumburg OT - connection collector).