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The Mumbai Metro Rail Corporation Limited (MMRC) on 19th July 2020 announced that it has successfully lowered a fully assembled Tunnel Boring Machine (TBM Tansa 1) at the south end of Science Museum station. The TBGM lowering work was carried out by a team of Doğuş-Soma JV and Freight Wings to commence 1.118 km underground tunneling towards Mahalaxmi station of 33.5 km long Corridor-3 (Aqua Line) of Mumbai Metro Rail project.
The 480 MT heavy TBM Tansa 1 retrieved from Southend of Worli station has been moved to the Science Museum station. A 32 axel (128 wheeled) Self Propelled Modular Transporter deployed for the Herculean task. For the first time, an entire TBM transported without dismantling through Mumbai’s lanes.
Images of TBM Tansa-1 being lowered at the south end of #ScienceMuseum stn. It is for the 1st time a fully assembled TBM is lowered requiring less manpower and saving in time. Tansa-1 will now commence downline drive frm South End of Science Museum to North End of #Mahalaxmi pic.twitter.com/7az1EcUFNw
— MumbaiMetro3 (@MumbaiMetro3) July 19, 2020
The work was carried out in the presence of MMRC Managing Director Ranjit Singh Deol and project Director Subodh Gupta who witnessed the lowering of TBM Tansa 1 at the Science Museum station. This Tunnel Boring Machine (TBM) already achieved a breakthrough at Worli tunneling a dist of 2072 meters and is now being deployed here for its next drive towards Mahalaxmi station under package UG-3.
As on date, 2.072 km tunneling between the Science Museum and Worli in up direction and 2.057 km tunneling in down direction has been completed under package UG-3 of Mumbai Metro-3. TBM Tansa 1 had achieved the 28th tunnel breakthrough of Metro-3 at Worli station on 5th March 2020.
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The post Mumbai Metro lowered a complete unit of TBM in tunnel first time appeared first on Urban Transport News.
This article first appeared on www.urbantransportnews.com
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