Delhi Metro launches tunnel boring machine ‘Bhoomi’ under Phase-IV project
The Delhi Metro on Friday started a tunnelling drive by the Tunnel Boring Machine named “Bhoomi” from Derawal Nagar to Pulbangash on an upcoming corridor under its ‘Phase IV’ project, officials said.
The TBM was launched at Derawal Nagar metro station site on ‘Line 8’, being built from Janakpuri West to R K Ashram, in the presence Delhi Metro Rail Corporation (DMRC) Managing Director Vikas Kumar and other senior officials, they said.
The length of the tunnel is approximately 3 kilometres. The depth of tunnelling will vary from 12.4 meters at Derawal Nagar station up to 25.9 m near the Najafgarh Drain. Therefore, the TBM will traverse through varying geological levels underground, the DMRC said in a statement.
