Rudra, the tunnel boring machine (TBM) of Namma Metro project, is stuck for a reason that officials could never have anticipated. It has hit, not a hard rock, but a massive pile of garbage.
Like other tunnel boring machines that have been deployed for building a tunnel network of 14-km under phase II of Namma Metro from Dairy Circle to Nagawara, Rudra too was working fine after successfully starting its journey from Dairy Circle towards Lakkasandra.
But a few weeks ago, officials noticed that the machine was unable to carry out drilling work as it encountered unusual hurdles. The staff, who took a peek through the cutter heads of the machine, were in for a shock. They found a huge garbage pile blocking the way of the giant machine. This was at a depth of 33 feet from the surface.
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