The first TBM on the Janakpuri West-Palam underground stretch on the under construction Janakpuri West – Botanical Garden Metro corridor of Phase 3 started its initial drive today.
This TBM will finish the drive in approximately five months and emerge at Dabri in May next year. A total of four TBMs will be used for the tunneling of approximately 4.2 kilometres from Janakpuri West to Palam.
Presently a total of nine TBMs are operational in Phase 3. Another TBM had started its drive at Hazrat Nizamuddin on the Mukundpur – Shiv Vihar corridor on the 16th of December earlier this week. More info