6 months ago
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As portion of the enactment to make an underground web for the upcoming signifier II project, Chennai Metro Rail volition statesman by mid-December tunnelling successful the city’s north-western parts to nexus Kolathur with Srinivasa Nagar.
Areas specified arsenic Retteri, Kolathur, Srinivasa Nagar, and Villivakkam represent Corridor 5 of the 118.9-km signifier II project.
Spanning 47 kilometres from Madhavaram to Sholinganallur, Corridor 5 is the longest successful the signifier II network.
Though Corridor 5’s abbreviated underground web (5.8 km) faced delays from the opening arsenic the tender was initially cancelled, the enactment is present nether way.
According to officials of the Chennai Metro Rail Limited (CMRL), this agelong saw immoderate alteration of plans successful operation aboriginal this year. Since residents of a circumstantial neighbourhood protested against the projected underground construction, the preparatory enactment was delayed. Then, the CMRL changed the operation sequence.
Two stages
Officials decided to execute tunnelling successful 2 stages — archetypal Kolathur ramp to Kolathur station, and then, Kolathur presumption to Srinivasa Nagar. The passageway boring instrumentality began the archetypal signifier successful February this year, and completed 246 metres by August. The 2nd signifier volition commencement successful the 2nd week of December, officials said.
Tunnelling betwixt Kolathur to Srinivasa Nagar, which was scheduled to commencement successful September, has been delayed.
“The machines volition necessitate astir 7 months to screen the region of 1,000 metres from Kolathur to Srinivasa Nagar. The archetypal instrumentality volition scope Srinivasa Nagar by July 2026, and the 2nd 1 volition travel successful different mates of weeks,” an authoritative said.
The archetypal 600-m agelong comprises decomposed rock, interbedded with clay, and the adjacent 400-m agelong is made of people IV stone strata, helium further said.
