The seminar was hosted by CBT, The Brazilian Tunnelling Association. Its President, Mr. Hugo Rocha, welcomed the 110 participants and opened the seminar. This welcoming speech was followed by an overview on immersed tunnels in Brazil given by Tarcísio Barreto Celestino, chairman of the organizing committee of the WTC 2014.
For this seminar, four renowned experts on immersed tunnels were delegated by the Foundation to lecture; namely, and in the order of their intervention, Messrs. Jonathan Baber, Michael Tonnesen, Hans De Wit and Christian Ingerslev.
The seminar's lectures gave insight on four topics, Overview on Immersed Tunnels, Sizing and Designing the Structure, Construction, Afloat and Geotechnical, Risk Management, Operation and Maintenance
Several practical case studies were also reviewed. Lively open discussion between the attendees and the lecturers concluded each day of the seminar.
Both, the attendees and the lecturers gave a very positive feedback on the seminar.