Storage sewer at Berlin's Mauerpark will prevent sewer overflow into the Spree and Pranke rivers in the future.

2 parallel tunnel tubes with a length of 1.645 km each, inner diameter 10,15 m; 6 cross passages driven under the protection of ground freezing; 2 access ramps, which at the same time function as start and target shafts, Passing under A4/A133 motorways incl. connection to existing infrastructure

The North-South link Antwerp is part of the Brussels-Amsterdam high-speed line. The project comprises the reconstruction of the existing accesses, the construction of a passage under the main station as well as the construction of two tunnel sections from „Astridplatz“ to „Damplatz“.