India's First Underwater Metro Ride In Kolkata | My Luxury Stay Pride Plaza Kolkata | Eco Park |2024

East West Metro Tunnel , Kolkata

East West Metro Tunnel is a underwater river tunnel of Kolkata Metro in Kolkata, West Bengal. The river tunnel is constructed underneath Hooghly River. It is the biggest underwater river tunnel of India, which is made for metro rail service. The East West Metro Tunnel length is 10.8 km (6.7 mi) and width is 5.5 metres (18 ft 1 in). A 520 m (1,706 ft 0 in) stretch of the tracks goes through a tunnel under the Hooghly River. The roof of the tunnel is about 30 metres (98 ft 5 in) from the ground level. The tunnel was completed in 2021. The tunnel is used by East West Metro Line for metro rail service by Kolkata Metro Rail Corporation and it was constructed by Afcons Infrastructure.

The section between Sealdah metro station and Mahakaran metro station was realigned due to the inability of GoWB to provide land on the surface along the original route. Even on the new alignment a station planned at Wellington had to be dropped as Government of West Bengal was unable to provide the required land on the surface. Work at Howrah Maidan have started in March 2016. The section between Howrah Maidan metro station and Esplanade metro station has been built by Afcons – Transtonnelstroy JV team, two tunnel boring machines from Herrenknecht are being used to dig the tunnel. This section passes through the Hooghly River for a distance of 520 metres (1,706 ft 0 in). The section under the river is at a depth of 30 metres (98 ft 5 in) (roof to ground distance) whereas the average roof to ground distance is 17 metres (55 ft 9 in). The Howrah metro station on the west side of the river will be at a depth of 30 metres (98 ft 5 in). Tunnelling started from Howrah Maidan side. On 23 May one of the TBM named Rachna completed the tunneling under the Hooghly River in 36 days.

Kolkata , West Bengal

Kolkata, also known as Calcutta (its official name until 2001), is the capital and largest city of the Indian state of West Bengal. It lies on the eastern bank of the Hooghly River, 80 km (50 mi) west of the border with Bangladesh. It is the primary financial and commercial centre of eastern and northeastern India. Kolkata is the seventh most populous city of India with an estimated city proper population of 4.5 million (0.45 crore).[17] It is the centre of the Kolkata Metropolitan Region, one of the most populous metropolitan areas in the world with a population of over 15 million (1.5 crore) residents. Kolkata is the regarded by many sources as the cultural capital of India and a historically and culturally significant city in the historic region of Bengal.

Howrah railway station (also known as Howrah Junction, or informally Howrah Station) (Bengali: হাওড়া জংশন) is a railway station located in the city of Howrah, West Bengal, India. It is the largest and busiest railway complex in Indiaas well as one of the busiest and largest train stations in the world. It is also the oldest surviving railway station complex in India. Howrah is one of six intercity train stations serving the Kolkata metropolitan area (including Howrah and its twin city of Kolkata), the others being Sealdah, Dankuni, Santragachi, Shalimar and Kolkata railway station.

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