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State News

Nov 12, 2020
8:53AM

In a first, Mumbai Metro to have vibration-absorbing tracks

@MumMetro (FILE PIC)
In a first for India, the Mumbai Metro Rail Corporation Ltd., MMRCL will lay vibration-absorbing tracks on the Colaba-Bandra-SEEPZ Metro Line-3.
 
MMRCL Director (Projects) S. K. Gupta yesterday said, the corporation has started trial production of the High Vibration Attenuation Booted Twin Sleeper Blocks,HVABTSB to lay tracks with the help of a machine from Sonneville AG, Switzerland. He said, this type of tracks, being used for the first time in India will absorb vibrations upto 22 Vibration Decibels, Vdb.
 
It is considered ideal for a congested city like Mumbai where there are many heritage structures, old buildings, hospitals, schools, colleges, studios and densely populated residential colonies, which can get affected by vibrations. Mr Gupta said, a total of two machines with their state-of-the-art technology will together produce 12,000 of such sleeper blocks at the MMRCL’s facility set up in Wadala.
 
For the Mumbai Metro Line-3, there will be a need for around 2,01,600 sleeper blocks to be laid on the entire 33.50-kilometre long underground corridor.  
 
Estimated to cost a little over Rs.23,000-crore, the Mumbai Metro Line-3 will have 27 underground stations en route and is expected to be operational in 2021, passing below Railway Stations, temples, the Dharavi slums, Mithi River, Mahim Creek, Mumbai Airport, the Aarey Colony forests.

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