Construction of a tunnel under the Brahmaputra River is planned

The Engineering Sciences and Technology Division (ESTD) of the North East Institute of Science and Technology (CSIR-NEIST) will conduct geophysical studies of the conditions for the construction of an underwater tunnel in India.

Brahmaputra

The Brahmaputra River is one of the largest waterways in South Asia. Source: vacationsnjourneys.com

The 14.85 km long road tunnel will connect the cities of Gohpur and Numaligarh in the Indian state of Upper Assam. There are four lanes for passing traffic in both directions. As a result of the competitive procedures, a general contractor was elected to build the tunnel- it became the largest corporation Louis Berger, specializing in infrastructure construction. 

Under the terms of the contract, the North East Institute of Science and Technology (CSIR-NEIST) will conduct in-depth geophysical surveys and assess the seismic hazard of the site under construction.

However, now the chief scientist of CSIR-NEIST Saurabh Baruah stressed that the high rate of sedimentation (formation of precipitation) and the erosion capacity of the Brahmaputra River creates many problems for the implementation of construction projects of any kind of engineering facilities. In 2020, the Atal (Rohtang) road tunnel, located in Himachal Pradesh state, was opened to traffic.

Bogibeel

The Bogibeel Bridge across the Brahmaputra River was built in 2018. Source: images.outlookindia.com

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