Eiffestraße (S-04/0111)
Sewer construction work using the tunnelling method
Renewal of 412 m combined sewer channels of class IV new (850/1400) as kite profile
DR 1800 in closed construction with open, compressed air-supported heading face and crossing of the railway overpass Anckelmannsplatz. Production of watertight start and target excavation pits in bored pile construction, connection of two inlet sewers DN 500 via tangent stem shafts in polymer concrete construction and the construction of 4 entrance shafts in composite construction. Maintenance of the combined sewage supply with an approximately 140 m long lifting pipe DN 800.