Adjusting for inflation, Crossrail will cost about £16 billion. With 42 kilometres of new tunnels under London and nine new stations, Will Stirling assesses how Building Information Modelling is helping the project both stay on budget and reduce whole life costs.
Phyllis and Ada, tunnel boring machines with near celebrity status, bite and slice their way rock and mud at 100 metres a day. Engineers calculate routes to lay electrical cable and pipes while dodging the spaghetti of old cable and vents that snake under London’s streets, while cranes maneuver prefabricated tunnel sections into place.…
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