CASE STUDY Embankment Monitoring CLIENT: NETWORK RAIL/COSTAIN THE CHALLENGE A 300m embankments in a deep cutting, leading into a tunnel portal were proving unstable and required shoring up with ballast. A monitoring solution was required that enabled any slippage of the earthwork to be detected and alerted to NR operational staff. Additionally, it was required that any potential blockage of the line, through material on or near the track, could be observed remotely and immediately using image/camera technology, in order to manage running traffic appropriately. A major communications challenge was that the whole system had to be wire and mains power free and yet there was little to no GSM mobile signal (less than one bar). OUR SOLUTION Along the 300m secti

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