Somewhere beneath Mumbai’s restless surface, a second city is being built into existence.
In the late afternoon, as the day leaned towards evening, Dr Sanjay Mukherjee, Metropolitan Commissioner (MMRDA), led
us into a realm that very few ever enter—the active heart of one of
Mumbai’s most ambitious underground road projects. While the city surges
forward in familiar chaos above the ground, another Mumbai is taking
shape below: quietly, methodically, irrevocably. The metal lift doors
close. The cage begins to descend—smooth, steady, controlled, a faint
hum underfoot. An anticipation amongst the Construction World team, that
something extraordinary lies ahead.
The doors open. A colossal,
2,400 tonne, tunnel boring machine commands the space! With a cutterhead
diameter of 12.19 metre and a total length of 82 metre, the slurry
shield TBM is engineered to navigate Mumbai’s challenging coastal
geology and high-water ingress zones with precision and safety..
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