Currently John is a technical director in Aecom. Prior to this, John was the Head of Geotechnical Department leading a team of 11 geotechnical engineers in WorleyParsons and has a wealth of experience after 12 years with the Land Transport Authority (LTA), Singapore working on mega rail and road projects in many parts of the island city.
His tunnel and geotechnical experience ranges from soil investigation to design, construction and repair of tunnels. He has independently designed and was the Qualified Person responsible for the 11 km of tunnels (including 15 cross passages and 6 sumps) for the Circle Line Stages 2 and 3, which traverse through densely populated urban areas with a wi...
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