India

Forward of PM Modi’s go to, strategic Atal Rohtang Tunnel prepared for inauguration – india information

Work on the long-delayed strategic all-weather Atal Rohtang Tunnel that may join Manali to Lahaul and Spiti valley in Himachal Pradesh all year long has been accomplished and will probably be prepared for inauguration in two weeks, officers conscious of the event mentioned.

The tunnel is scheduled to be inaugurated by Prime Minister Narendra Modi in September.

The strategic tunnel which is nearing completion, is a step within the path of offering all climate connectivity to distant border areas of Himachal Pradesh and Ladakh, which in any other case remained reduce off from the remainder of the nation for about six months throughout winters. The tunnel can also be vital from a navy logistics viewpoint and can present higher connectivity to the armed forces in reaching Ladakh.

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On completion, it’s set to turn into the world’s longest street tunnel at an altitude above 3,000 metres.

The Rohtang Tunnel is being constructed within the Pir Panjal ranges of Himachal Pradesh, because the Manali-Sarchu-Leh street stays closed for practically six months in a 12 months as a result of Rohtang Go being fully snow clad between November and April. Upon completion, the all-weather tunnel will join Manali to Lahaul and Spiti valley all year long and can scale back the street size of the Manali-Rohtang Go-Sarchu-Leh street by 46 km.

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The Rohtang Tunnel was rechristened Atal Tunnel by the Union Cupboard chaired by Prime Minister Narendra Modi in December final 12 months. The choice to assemble a strategic tunnel beneath the Rohtang Go was taken by former Prime Minister Atal Bihari Vajpayee in 2000.

In 2002, Prime Minister Atal Bihari Vajpayee declared the development of Rohtang Tunnel and laid the inspiration of the method street to the tunnel. The Border Roads Organisation (BRO) engaged RITES in March 2002 to undertake feasibility research.

The 8.8-kilometre lengthy tunnel is the world’s longest tunnel above an altitude of three,000 metres. It’s going to scale back the space between Manali and Leh by 46 kilometres and scale back journey time by 4.5 hours.

It’s a 10.5-metre broad single tube bi-lane tunnel with a hearth proof emergency ‘escape tunnel’ constructed into the principle tunnel itself.

On September 24, 2009, a contract was awarded to Strabag-Afcons Joint Enterprise (SAJV) for the tunnel’s building. Development for the venture lastly started in 2010, within the presence of then UPA chairperson Sonia Gandhi.

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The long-delayed tunnel has, nonetheless, gone by means of robust challenges for building owing to the geographical location and tough topographic profile of the area. The delays to due robust climate circumstances additionally escalated the price of the venture from Rs 1,458 crore to round Rs 2,500 crore.

“The Atal Rohtang Tunnel will probably be prepared for inauguration function within the subsequent two weeks…It has been probably the most difficult venture when it comes to building on account of geographic circumstances, climate and a number of hazards confronted in the course of the building. We now have confronted a number of avalanches. In 2013, the tunnel collapsed on the north portal. In 2014, we needed to evacuate the location in a rush on account of sudden harsh climate circumstances… Military helicopters have had for use to rescue practically 100-150 employees. Full credit score goes to Strabag-Afcons and the Border Street Organisation for his or her strict security laws and hawk-like vigil within the tunnel building that was in a position to make sure the tunnel was constructed with none fatality within the venture,” Satish Paretkar, Director, Hydro and Underground division, Afcons mentioned.

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Since there have been a number of avalanche zones at each the portals the workforce had been additionally given GPS trackers that might monitor their location and ship a sign to the management room in case anybody was caught or hit by any avalanche.

The Border Roads Organisation (BRO) and the contractors needed to take care of main geological, terrain and climate challenges that included probably the most tough stretch of the 587-metre Seri Nalah Fault Zone. The so-called breakthrough from each ends was achieved on October 15, 2017.

“The largest problem we confronted was as a result of Seri Nalla Zone that took us virtually 4 years to excavate 041 km of the zone. On the Seri Nalla Zone within the south portal, we handled fixed collapse of the tunnel’s face. The zone threw up extraordinarily fractured and pulverized rock and really poor geological circumstances. We skilled big water ingress of as much as 127 litres per second. When you might have a lot water from a prime glacier lake it turns into unimaginable to proceed. We couldn’t hint the glacier’s supply, and had we not discovered the answer Rohtang wouldn’t have been attainable,” he added.

Shreya Sharma

Hey this is Shreya From ShoppersVila News. I'm a content creator belongs from Ranchi, India. For more info contact me [email protected]

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