ITA OPEN SESSION ON GROUND REFERENCE INFORMATION FOR BIDDING TUNNEL PROJECTS – CURRENT PRACTICE, SHORTCOMINGS/BENEFITS AND FUTURE CHALLENGES
The Open Session prepared by Markus Thewes and Soren Eskesen was chaired by Martin Knights, ITA President. During the Open Session, presentations were made by : Markus Thewes, ITA ExCo, on "Requirements Concerning Geotechnical Investigation for the Minimization of Risks in Shield Tunnelling"; Joe Gildner on “Client View”; Arnold Dix on “Bringing Certainty to the Unknown” The Role of law in the Apportionment of Underground Construction Risks”, Michael Rehbock/Sander on “Risk Sharing : Planners / Clients View”; Marco Giorelli on “Ground Reference Requirements for EPBs/Experiences”; Ulrich Wadepohl on “International Experience Contractors View” and Jeff Petersen on “Experiences/Contractors View”.