Modi to unveil world’s longest atal tunnel

Shimla: Prime Minister Narendra Modi will inaugurate the 8.8 km long tunnel on the world’s highest peak on Saturday. Prime Minister Modi will be in attendance at the inauguration of the Atal Tunnel at the southern end of Manali.

The Atal Tunnel is also the longest highway in the world. The 9.02 km long tunnel connects Manali with Lahaul Spiti. Prior to this, the valley was disconnected for only 6 months due to heavy snowfall. The tunnel is 46 km from Manali and Leh. Reduce and save 4 to 5 hours.

The Pir Panjal range of the Himalayas is built with the ultra modern specification at an average elevation of 3,000 meters (10,000 ft) above sea level.

It is about 25 km from Manali on the south side of the Atal Tunnel. In the distance, it is 3,060 meters high. The tunnel on the north side is near the village of Sissu, Tling, in the Lahaul Valley, at 3,071 meters. It is a horseshoe-shaped, two-lane subway tunnel with an 8-meter roadway.

The tunnel can accommodate vehicles up to 5.525 meters high. The tunnel is 10.5 meters wide and includes a 3.6 x 2.25 meter fire exit emergency tunnel in the main tunnel. The route has 3,000 cars and 1,500 trucks with a maximum speed of 80 km / h. Built to accommodate traffic at high speeds.

The tunnel also has a well-equipped electromechanical system, including a semi-transverse ventilation system, SCADA. Includes a controlled fire fighting system, incandescent light and CCTV surveillance system.

Atal Tunnel Features:
Access barrier on both sides of the tunnel. Telephone service every 150 meters for emergency communication. A fire extinguisher every 60 meters. Incident self-detection system with CCTV cameras per 250 meters. Air quality monitoring every 1 km. Removable lamp / exit signs at every 25 meters. Lighting system throughout the tunnel. Fire rated dampers at every 50 meters. It has one camera for every 60 meters.

The tunnel was planned to be built on June 3, 2000, when the late Sri Atal Bihari Vajpayee was Prime Minister. On May 26, 2002, the access road to the south side of the tunnel was laid. It was decided to pay tribute to former Prime Minister Atal Bihari Vajpayee for the Rohtang Tunnel at a Cabinet meeting on December 24, 2019 chaired by Prime Minister Narendra Modi.


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