Chennai: Chennai Metro Rail has completed one of the underground tunneling works as part of phase-1 extension in North Chennai corridor 5 months ahead of the schedule.
Arvind Kumar Rai, Chief General Manager (Underground), CMRL (Chennai Metro Rail Ltd) said,“The tunneling work started in February this year and we have completed it with the break-through of first of the two TBMs (tunnel boring machines). The second tunneling work is expected to be completed in a month’s time.”
The tunneling work, carried out by Afcons Infra, happened at an average rate of 11 metres a day, which is significantly higher than average speed achieved in other stretches.
The 1.82 km long underground line is part of the 9km extension project from Washermenpet to Wimco Nagar, which is expected to be operational in 2 years.
The underground stretch will have 2 stations – Thegaraya College & Korukkupet and after which it will be an elevated corridor.
Rai said,“The target is to complete both underground and elevated works by 2019 and we hope to complete on schedule within the project cost of Rs 3770 crore.”