CHENNAI (Metro Rail News): The first tunnel boring machine (TBM) has arrived in Chennai from China which will be used to build the underground network for the Chennai Metro phase-2 project.
According to the officials, 23 more such TBMs will be needed for the CMRL‘s phase-2 project, and they will be arriving in the coming months. The TBM, has arrived at the Chennai Port from where it will be taken to Madhavaram for assembling. This process will take around three months whereas the tunnelling is expected to start in October.
The phase II project, is a 118.9 km stretch built at a cost of Rs 61,843 crores.
It has three corridors that are Madhavaram to SIPCOT via Kellys (corridor 3), Madhavaram to Shollinganallur (corridor 5) via Medavakkam and Light House to Poonamallee via T. Nagar (corridor 4).
This TBM has been brought to Chennai after it received the Factory Acceptance Test approval from CMRL recently.