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  • Han Admiraal
  • Independent consultant
  • Enprodes, Netherlands

Since 2008 Han Admiraal works as an independent consultant for Enprodes and is based in Rotterdam, the Netherlands. He is a former part time professor of Underground Space Use at CARUS, the Centre for Applied Research Underground Space. Internationally he is active in the International Tunnelling and Underground Space Association – ITA, as chairman of the ITA Committee on Underground Space (ITACUS). Han Admiraal works as consultant on underground space related matters, including tunnel safety. His approach is that safety dilemmas can only be solved through dialogue. He is a tunnel safety officer for the ‘Dordtse Kil Tunnel’, a road tunnel near the city of Dordrecht in the Netherlands. Admiraal has more than 25 years of experience in the field of (public) infrastructure.

  • Dr. Marco Bettelini
  • Member of the Board of Directors
  • Amberg Engineering Ltd., Switzerland

Since 2009 Dr. Marco Bettelini works as Head of Ventilation and Safety with Amberg Engineering Ltd. and he is also member of the Board of directors of Amberg Engineering Ltd. After his post-doc at Brown University (Providence, RI, USA) in 1990-1991, he joined ABB Corporate Research in the field of aerodynamics, ventilation and safety. He held different positions ranging from Project leader to CEO in a number of leading engineering companies, including HBI Haerter, INELMEC and Lombardi.

His consultancy focus ranges from Design to Safe operation and covers all aspects related to ventilation and safety for road, rail and metro tunnels. His references include the new Gotthard Base Tunnel (57.1 km), LTF, BBT as well as the Gotthard Road Tunnel (17 km), the Mont Blanc (11.6) and Fréjus Road Tunnels (13.2 km). His research interests include optimum emergency management, optimum ventilation control and numerical simulation applied to infrastructural safety.

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