Technical tours are scheduled for June 24, 2011, between 2-5pm. Conference registrants get first priority; accompanying persons may attend only on a space available basis. The selection of tours is now closed subsequent to the Doodle survey undertaken in April.
Technical tour 1: Weinberg-Station-Railway Tunnel, Zürich
Max. Participants: 10-20
Technical tour 2: Bridge over the Rhein, Basel
Max. Participants: 45
Technical tour 3: Tunnel construction machinery of the company "Herrenknecht"
Max. Participants: 50