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Modern risk management applied to a large infrastructure site

During the execution phase one of the most important parts of risk management is to check if the executed work conforms to the design. Especially for large projects this may take a significant amount of time and effort – and thus costs. This paper presents a solution which was applied to monitor the special foundation works at the section St. Kanzian of the new “Koralm” railway line in Austria. At this site two shallow tunnels are to be constructed. Deep bored piles walls are placed and Jet grouting is used to construct the tunnel crown or a strutting and sealing slab. The complex layout and the large number of elements forced the executing company to develop a new semi‐automated quality control system. The core element of the system was a local SQL data base where all data from the production was collected. Various reports and protocols were generated automatically and even a 3‐dim as‐built model showing deviations between design and execution was derived according to the principles of a building information modelling (BIM) system.