Breakthrough of CMRL’s tunnel boring machine at Kellys delayed by a few months
At present, travelling to areas such as Purasawalkam and Kellys from the southern parts of the city could be time consuming owing to traffic congestion. As a first step, the tunnel boring machine of Chennai Metro Rail Limited, which began drilling in Purasawalkam for the Phase II Project has reached Kellys. According to CMRL officials, they have started constructing portions of the underground network for corridor 3, which connects Madhavaram to SIPCOT via areas such as Purasawalkam, Nungambakkam, Adyar, and Old Mahabalipuram Road. To link Purasawalkam to Kellys, the TBM was lowered in Purasawalkam in December last year, drilling a distance of nearly 300 m to reach its destination. Since this was a short distance and the machine did not tunnel under very old buildings, we could complete the work without too many settlement issues,” another official said.
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