Sewer Winterhude, Hamburg   Sewer Winterhude, Hamburg The Free and hanseatic City of Hamburg is building approx. 20 km of transport and feeder sewers and 15 retention basins in order to relieve the load on the River Alster and...  

Siegkreisel Tunnel   Siegkreisel Tunnel The Siegkreisel Tunnel was built at Betzdorf in the northernmost point of the Rhineland Palatinate, which is intended to relieve the town of Betzdorf of through traffic at the B...  

Sommerberg Tunnel Hausach, B33   Sommerberg Tunnel Hausach, B33 1. Task definition The town of Hausach is located at one of the most important east-west crossings of the Black Forest, which starts at the Rhine valley highway near...  

South Feeder Cologne   South Feeder Cologne There are not enough natural watercourses available to drain the catchment areas to the west of Cologne. As a result, in the past, the responsible local authorities had the...  

South tangent Karlsruhe, building 40   South tangent Karlsruhe, building 40 Sand and gravel in alternating beds, loosely deposited. The groundwater is to be found some 9 m below the upper edge of the track, roughly at the level of the...