MRT Jakarta · Mitsubishi EPB TBM · Ø10 m
On Dubai's urban rail link, a Japan–Turkey joint venture fielded four 10-metre-diameter Mitsubishi earth-pressure-balance machines — large single-bore tunnels carrying twin tracks beneath the desert city.
Our crew members worked the fleet through assembly and mining in hot, abrasive sandstone conditions, managing the accelerated tool wear and cooling demands that Gulf tunnelling brings.
