Pune metro to start its underground tunnel work from November

According to Maha-Metro officials, a successful trial of the tunnel-boring machines has already been conducted and the final work of digging the tunnel will begin in November.

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Pune metro to start its underground tunnel work from November
Pune metro to start its underground tunnel work from November

PUNE (Metro Rail News):  In November, the Maharashtra Metro Rail Corporation Limited (Maha-Metro), will begin digging tunnels, for the Range Hill to Swargate metro corridor which has a 5km underground stretch.

According to Maha-Metro officials, a successful trial of the tunnel-boring machines has already been conducted and the final work of digging the tunnel will begin in November.

Maha-Metro is committed to undertaking the underground work as per schedule and inspection and passing of the tunnel-boring machine is a milestone in our preparedness and execution of underground tunneling work, Brijesh Dixit, managing director of Maha-Metro, said.

The Maha-Metro has employed a tunnel-boring machine to dig the twin tunnel in the underground stretch. A tunnel-boring machine is a computer-controlled machine that bores the tunnel and also places the precast concrete ring segments to clad the tunnel from the inside.

According to officials, these machines dig the tunnels which are then used for laying tracks and installing signal systems and electrical overhead conductors. A total of 6,054 rings are required for the 5-km stretch, according to officials. 

Maha-Metro officials said, currently, 200 rings are made in the Maha-Metro Deccan college casting yard. The diameter of each ring is 6.4 meter. The tunnel-boring machines will be dispatched by September-end and will reach Pune via Mumbai Port by the end of October.

13th International Railway Equipment Exhibition (IREE) 2019

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