CASE STUDY Tunnel and Trackbed Monitoring: City of London THE CHALLENGE A major long-term construction project consisting of eight new buildings positioned around an existing high-rise building is currently under way, these buildings will share a new two-storey basement structure. The redevelopment is located over four London Underground (LUL) tunnels; two Bakerloo Line and two Northern Line. Senceive were chosen to provide the monitoring for the 5 year duration of demolition and construction works to help assure LUL assets were being protected at all times. The scope of the works was to provide a robust monitoring system supplying near real-time data and ensuring that the four running tunnels over a distance of c.100m each were being monitored for any deformatio

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