Bangladesh tunnel project to use Chinese TBM

A Chinese firm has won the contract to supply the tunnel boring machine (TBM) for a major road tunnelling project in Bangladesh. The Chinese manufacturer, Tianhe Mechanical Equipment Manufacturing (Tianhe Mechanical), is building the TBM to the specific design requirements of the client. This piece of equipment is the largest TBM built so far in China and tips the scales at 2,200tonnes, while it features a  cutter diameter of 12.12m. The TBM will be used to drive a 3.5km-long road tunnel running under the Karnaphuli River.