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sump pumping

In-Tunnel Dewatering for a Cross Passage in London

In-Tunnel Dewatering for a Cross Passage in LondonWJ WhitepaperAbstract The Crossrail project in London comprises twin TBM driven railway tunnels. The scheme includes several short cross link tunnels between the TBM drives to house switch gear, sumps and for access. Cross passage CP6 is 14 m long and includes a central sump. This cross passage

Qatar Update: Drawdown Acheived For New ‘Al Dafnah District’ Project

WJ Groundwater is currently working with Dutch Foundation to dewater a 2B+G+1+30 residential building in Doha, Qatar.  The property is located in the Al Dafnah District, also known as the Diplomatic Area. The project consultant is LACASA (Qatar). The WJ Groundwater team led by Noel Melendez (Project Manager) and Vijayakumar (Site Engineer) is deploying a