Mean machine: The VD TBM is a complex German technology that facilitates tunnelling works in variable geology including extreme underground conditions. It requires highly skilled personnel to operate and manage given its sheer size and complexity.
KUALA LUMPUR: Extreme karstic geological conditions in the Klang Valley are a major challenge for tunnelling works for the nation’s biggest urban rail network – the Klang Valley Mass Rapid Transit (KVMRT) project.
Implementing such a massive infrastructure project in a very busy and high density urban area is an additional hurdle.