Mumbai Trans Harbour Link

Mumbai Trans Harbour Link

Mumbai Trans Harbor Link, also known as Sewri Nhava Sheva Trans Harbor Link, is a 21.8 km highway bridge connecting the city of Mumbai, India and its satellite city, Navi Mumbai. When completed, it will be the longest pier in India. The bridge begins in Seuri, South Mumbai, crosses the Sea Creek north of Elephanta Island, and ends in the village of Chill near Nhava Sheva. The road connects to the Mumbai Pune Highway to the east and the proposed Western Highway to the west. Maritime connections include a 27-meter-wide 6-lane highway and two emergency exit lanes, shoulders and guardrails.

The value of this project is Rupees 17,843 million (US $ 2.3 billion). The Mumbai Metropolitan Area Development Bureau (MMRDA) commissioned the project in November 2017. Construction will begin in April 2018 and is scheduled to be completed within four and a half years. Due to the COVID19 pandemic, construction has been delayed by approximately eight months and is currently scheduled to be completed by October 2023.  MMRDA estimates that 70,000 vehicles will use the bridge daily after opening.

The first concrete attempt to build a sea link was made in 2004 when Infrastructure Leasing & Financial Services (IL & FS) presented a proposal to implement, own, operate and transfer (BOOT) based projects. I was. The Maharashtra Road Development Corporation (MSRDC) has also submitted a counter-proposal. However, the IL & FS proposal was rejected by the government for private reasons.

In August 2011, MMRDA asked Arup Consultancy Engineers and KPMG to conduct a technical and economic feasibility study of MTHL. The MTHL project was proposed as a public-private partnership (PPP) model. This project was approved by Prime Minister Pris Village Chavan on October 22, 2012. The Times of India described the MTHL delay as “all the symbols of infrastructure planning and implementation problems in Mumbai.”

MTHL is a 6-lane highway bridge. It is 21.8 km long and includes 16.5 km piers and 5.5 km viaducts at both ends of the bridge. MTHL is built in three phases. The bridge features the use of India’s first orthogonal anisotropic deck. Special steel decks allow bridges to have longer spans than normal girders allow. About 4 km of the length of the bridge will be built between steel spans and the rest will be made of concrete.  MMRDA has chosen to use steel spans in these sections to eliminate the need to build piers to support bridges that may impede the movement of ships in the area. This 4km section includes the 180m steel bridge, India’s longest steel bridge.

Pambam Bridge (India’s First Sea Bridge)

The Pamban Bridge is a railway bridge that connects the city of Mandapam in mainland India with Pamban Island and Rameswaram. Opened on February 24, 1914, it was the first and longest sea bridge in India until the opening of the Bandra Worli Sea Link in 2010. Railroad bridges are traditional bridges, primarily on concrete piers, but with a double-leaf hinged section in the centre that can be lifted to allow ships and barges to pass through.

The railway bridge is 12.5 meters (41 feet) above sea level and 6,776 feet (2,065 meters) long. The bridge consists of 143 piers and has a two-wing bascule bridge with a Scherzer roller bridge that can be lifted to allow ships to pass through. Each half of the lifting span weighs 415 tonnes (457 tonnes). The two wings of the bridge are manually opened using levers.

Name Of The Mumbai Bridge

The Bandra-Worli Sea Link (formally known as the Rajiv Gandhi Sea Link [1]) is a 5.6 km long eight-lane bridge connecting Bandra in the western suburbs of Mumbai with Worli in the South Mumbai. It is the fourth-longest bridge in India after Boupen Hazarikasetsu, Divan River Bridge and Mahatma Gandhisetsu.

This is a cable-stayed bridge with prestressed concrete and steel viaducts on both sides. It was planned as part of the proposed Western Highway connecting the western suburbs with Nariman Point in Mumbai’s CBD but is now part of the coastal road to Kandivali. Sealink reduces travel time between Pandora and Wali from 20 minutes to 30 minutes during rush hour to 10 minutes. As of October 2009, BWSL has an average daily traffic volume of approximately 37,500 vehicles.

BWSL was developed as the first cable-stayed bridge built in the open sea in India. Due to the underlying geology, the pylon has a complex shape and the main span of the Bandra Canal is one of the longest concrete deck spans attempted. Balancing this technical complexity with the aesthetics of the bridge poses a major challenge to the project.  The superstructure of the viaduct was the heaviest prefabricated segment built in India. They were built using a span-by-span method with an overhead portal that traverses a series of vertical and horizontal curves.  The 20,000 tonnes of bandla end spans on the deck of the bridge are supported by cable-stayed bridges within very tight tolerances for plan and elevation deviations.

Conclusion

Sewri-Worli Link, also known as Sewri-Worli High Corridor (SWEC), connects Bandra Worli SeaLink and Mumbai Trans Harbour Link. This will be a 4-lane, 4.5km cable-stayed bridge with a height of 27 meters. The Sewri-Worli Link begins at Sewri (East) and crosses the existing viaducts of Eastern Freeway, Harbor Line, Rafi Ahmed Kidwai Marg, Acharya Donde Marg, Ambedkar Road, Parel’s Elphinstone Bridge and Senapati Bapat Marg. .. See Kamgarnagar and Dr. Pass Annie Besant Road and end at Narayan Hardical Marg in Wali. The ramp connects the high corridor of Sewri-Worli to Rafi Ahmed Kidwai Marg, west of Sewri Station, and Acharya Donde Marg, Mumbai Port Trust.