Underground construction of Kolkata metro underway, all safety protocols in place: official

Underground construction work on the Noapara-Barasat rail project via the Bimanbandar metro in West Bengal is in full swing, while adhering to COVID-19 safety protocols, an official said on Sunday.

Inside the Kolkata Metro ventilation shaft (Photo credits: Indrajit Kundu / India Today)

Underground construction work on the Noapara-Barasat rail project via the Bimanbandar metro in West Bengal is in full swing, while adhering to COVID-19 safety protocols, an official said on Sunday.

Construction of the diaphragm wall is underway under the entrance road from the airport to the proposed Bimanbandar metro station, he said.

All necessary measures have been taken to ensure a smooth flow of vehicles at the junction of the congested VIP road and the airport entrance road, the Kolkata metro official said in a statement.

After the construction of a temporary guard wall on the site, the ground is being excavated and the cage of the
the diaphragm wall is being lowered, he said.

The machine that digs the ground has the capacity to operate down to a depth of 50 meters.

The depth of a one-meter-wide diaphragm wall panel varies between 16 and 18 meters, he said.

State authorities also cooperated for the smooth completion of construction works, the official
added.

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Shawn G. Randall

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