The Atal Tunnel, built by the Border Roads Organisation (BRO), received the ‘Best Infrastructure Project’ award from the Indian Building Congress (IBC).
Director General BRO, Lt Gen Rajeev Choudhary received the award during the 25th Annual Conference of IBC for the outstanding achievement of BRO in the construction of this tunnel connecting Manali to Lahaul-Spiti Valley.
About Atal Tunnel
The 9.02 km long Atal Tunnel is the longest highway tunnel globally and connects Manali with Lahaul-Spiti Valley throughout the year.
It provides a strategic advantage to the armed forces by providing an alternate link to the crucial Ladakh region.
It has also been a boon to the residents of Lahaul and Spiti district in Himachal Pradesh.
This tunnel, built using the New Austrian Tunnelling Method (NATM), was dedicated to the nation by Prime Minister Narendra Modi on October 03, 2020.
It is equipped with a semi-transverse ventilation system, where large fans circulate air separately throughout the tunnel.
An emergency tunnel has been integrated into the tunnel cross-section under the main carriageway for evacuation during emergencies.
Fire inside the tunnel will be controlled within an area of 200 metres and fire hydrants will be provided at specific locations throughout the tunnel.
Pollution sensors continuously monitor the air quality in the tunnel and if the air quality in the tunnel is below the desired level, fresh air is injected into the tunnel through two heavy fins on each side of the tunnel.
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