WJ Groundwater Ltd
Sub-surface dewatering for an inclined SCL tunnel
The Crossrail station at Liverpool Street, London required the downward construction of a 37m long by 6m diameter inclined ventilation tunnel using...
07/09/2015
Multi-aquifer pressure relief in east London
Two adjacent deep shafts in east London involved excavation to 30 m below standing groundwater level and required temporary control of pressures in...
07/09/2015
In-tunnel depressurisation for SCL tunnels at Whitechapel and Liverpool Street stations
The platform and pedestrian tunnels for the Crossrail Stations at Whitechapel and Liverpool Street have been constructed using Sprayed Concrete Lin...
31/12/2016