Two more tunnel boring machines (TBM) working on the underground section of Namma Metro’s (Phase 2) Reach 6 line achieved breakthrough on Thursday.
Contractors of the Bangalore Metro Rail Corporation Limited (BMRCL) have deployed 13 TBMs to work on the 13.76-km underground section, which is part of the Reach 6 line connecting Gottigere with Nagavara with a total length of about 21.5 km. Till now, two TBMs had made breakthrough in September and October.
TBM Vardada, which was launched on March 12 from a shaft near the Rashtriya Military School (near Vellara Junction) to the Langford Town station, completed work on a 594-metre stretch.
