Cleaning according to the principle of “result-oriented” cleaning, winter service and countfitient distance on the 173 underground stations including the track areas in 9 lots.
Leitstellen 2014+, BLU Friedrichsfelde, LISI Renewal at the site, interior construction part 2, lot 1, 4-6, lot 2-3 already published under 2014/S 165-295546.
Manual and machine cleaning services in the area of the subway as well as manual cleaning of track systems in the area of the tram (hand collection) in 4 lots.