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The 16.6 km-long speedy transit mission will join Kolkata and Howrah. (Representational)
Kolkata:
The nation’s deepest underground rail air flow shaft equal to a 15-storey constructing and an essential a part of town’s East-West Metro line was accomplished on Monday, officers mentioned.
The air flow shaft, which is 43.5 m deep, was accomplished collectively by Kolkata Metro Rail Corporation (KMRC) and Afcons, a non-public engineering firm.
Such shafts aren’t solely used to offer air flow to the tunnels, but in addition for evacuation throughout an emergency.
The evacuation shaft is positioned on Strand Road close to Hooghly river, an announcement mentioned.
“The Metro shaft has been constructed adopting innovative engineering techniques and methodology to navigate geological challenges and overcome any impact on Kolkatas circular railway track along the Hooghly,” Afcons mission supervisor Satya Narayan Kunwar support.
The shaft is positioned very near the river and abutting with the round railway which makes its deep excavation very difficult, it mentioned.
The round railway line runs parallel to the river in stretches.
The 16.6 km-long speedy transit mission will join the dual cities of Kolkata and Howrah.
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