For information on FlatMesh – our award-winning wireless asset condition monitoring solution, call: 0207 731 8269 email: gsmith@senceive.com visit: senceive.com ©2015 Senceive Ltd. Hurlingham Studios, Ranelagh Gardens, London SW6 3PA CASE STUDY Track movement monitoring during T AM grouting CLIENT: LONDON UNDERGROUND/TWBN THE CHALLENGE As part of the Victoria Station Upgrade Project an underpass is to be tunnelled directly beneath the existing shallow District and Circle line brick tunnel. The permeable ground first needs to be treated using TAM grouting during engineering hours, prior to tunnelling. The risk was the potential to heave the tracks, so TWBN required a real time very high precision monitoring solution that could be quickly deployed each shift. Lines of sight could

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