BRO Completes Excavation of Nechiphu Tunnel in Arunachal

Border Road Organization (BRO) successfully completed the excavation work of the Nechiphu Tunnel in Arunachal Pradesh on Friday.

The Nechiphu Tunnel, at an altitude of 5,700 feet, is a unique 500-metre-long “D-shaped, Single Tube Double Lane Tunnel” on the Balipara-Charduar-Tawang (BCT) road in West Kameng district.

The tunnel will accommodate two-way traffic and will be equipped with modern lighting and safety facilities. The tunnel has been conceived to bypass extreme foggy conditions prevailing around Nechiphu Pass which have caused hindrance to general traffic and military convoys since many decades. The tunnel will be provided with a state-of-the-art electro-mechanical system including firefighting devices, auto illumination system and supervisory control and data acquisition (SCADA) controlled monitoring systems.

It will also accommodate raised footpaths on both sides for safer pedestrian movement which will have ducts for Power cables, optical fibre cables and utility lines to strengthen the civic amenities infrastructure.

The Project Vartak of BRO has also completed the excavation work on another strategic tunnel, the “Sela Tunnel Project” on the same road, on January 22, 2022.

Once in service, the Nechiphu Tunnel along with the Sela Tunnel will provide safe, all weather strategic connectivity on the BCT Road while reducing the carbon foot print in this eco-sensitive area. The ongoing tunnel construction is being accomplished by cutting through fragile and highly fractured rock strata. The attendant challenges are being tackled on daily basis through strict 3D monitoring and through proactive application of desired tunnel support systems in accordance with the New Austrian Tunneling Method (NATM).

The foundation stone of project was laid by Defence Minister Rajnath Singh on October 12, 2020.

The BRO has been consistently achieving success in execution of infrastructural marvels in the most challenging areas of the nation over the last two years. It has taken up tunnelling in a big way with successful completion of high altitude and mountainous tunnels in the recent past. The organisation has also embarked on construction of a series of small tunnels, which it will construct with manpower resources integral to the organisation.

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