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The Mumbai Trans Harbour Link (MTHL), also known as the Sewri-Nhava Sheva Trans Harbour Link, is an under-construction 21.8 km, freeway grade road bridge connecting the Indian city of Mumbai with Navi Mumbai, its satellite city. When completed, it would be the longest sea bridge in India.[1] The bridge will begin in Sewri, South Mumbai and cross Thane Creek north of Elephanta Island and will terminate at Chirle village, near Nhava Sheva. The road will be linked to the Mumbai Pune Expressway in the east, and to the proposed Western Freeway in the west.

The project is estimated to cost ₹14,262 crore (US$2.1 billion). The MMRDA awarded contracts for the project in November 2017; construction began in April 2018, and is scheduled to complete within four-and-a-half years.




 

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The longest sea crossing bridge in India is under way in Mumbai


India is increasing its focus on new infrastructure to support the country’s significant economic growth rates. The Mumbai Trans Harbour Link, a new 22.8 km sea crossing bridge, is an important part of this development.

The bridge will provide a crucial upgrade of the infrastructure connecting south Mumbai with Navi Mumbai and is expected to cut travel time by an hour.
Furthermore, the link will connect to to Nhava Sheva Port, Mumbai-Goa Highway, Mumbai-Pune Expressway and the upcoming Navi Mumbai International Airport. The link is an economic gateway and expected to boost the economic activity in the entire region.

The bridge will traverse through Sewri mudflats, Pir Pau Jetty and also Thane Creek channels. In a first for India, this project will also include an orthotropic steel deck crossing several obligatory navigation channels.

LONG-TIME WISH


The harbour link has been underway since the seventies and several suggestions for bridges have been made. The contracts are now signed and the works are expected to start this month with an estimated construction time around 4.5 years.

During 2016 and 2017 COWI provided the tender design for a contractor joint venture consisting of Larsen & Toubro Ltd (L&T) from India and IHI from Japan. The L&T-IHI JV was late 2017 awarded the Design-Build contract for package 1 of the project which with a length of more than 10km is the longest of the 3 packages. COWI has subsequently signed the contract for detailed design of package 1.

The design work will be a global COWI collaboration mobilising a strong team from Gurgaon in India, Copenhagen and London.

Project Director Lars Thornfeldt Sørensen has been heading the tender process.

”We had an excellent collaboration with the L&T-IHI JV during the tender stages and I am confident that this will continue in the detailed design phase. We have a great team and will deliver this fantastic bridge project.”

https://www.cowi.com/about/news-and...ossing-bridge-in-india-is-under-way-in-mumbai



Key facts

  • The Mumbai Trans Harbour Link (MHTL ) will connect Mumbai and Navi Mumbai and will have a total length of 22.8 km.

  • The more than 10km long Package 1 part of the project consists of an interchange connecting to the existing Eastern Highway in Mumbai and a combination of concrete box girder bridges and orthotropic steel box girder bridges. Construction cost for package 1 alone is approximately 1 billion Euro.

  • The Owner for MTHL is Mumbai Metropolitan Region Development Authority (MMRDA)

  • MMRDA has awarded contracts to a consortium of Larsen and Toubro (L&T) and Japan's IHI Corporation, a consortium of Daweoo and Tata Projects Limited (TPL), and L&T to construct the Sewri side of sea bridge (Package 1), the Navi Mumbai side of sea bridge (Package 2), and the bridge portion on land towards Chirle (Package 3), respectively.

  • Construction of the MTHL is expected to begin later this year and complete within four-and-a-half years.

 
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