Dr Toby Roberts, the Chairman of WJ, gave a fascinating presentation on dewatering cross passages using in-tunnel well systems. The presentation was one of the features at the 3rd Arabian Tunnelling Conference & Exhibition 2015 held in Dubai, UAE in November.
WJ Groundwater (Middle East) has purchased a booster station The technology has been put to work on the Dubai Canal Extension Project. It can pump up to 600 l/s and it is currently feeding off approximately 100 No. deepwells along the course of the Canal. It thrusts the water down a 630mm diameter discharge line 2km to the sea. The station box includes automated monitoring and in-line flow meters on each pump.