Tunnels
AYS is experienced in designing and managing construction for tunnels that involve a wide range of excavation techniques. We take pride in our teamwork and the accuracy of our tunneling.
Key Insights
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Over 41 Km of tunnels constructed
100 MW Malana-II HEP
Laid 14 km long road along with tunneling of 6.5 km. Constructed underground desilting system and a pressure shaft of over 700m along with an underground power house and a Dam of 155m length x 55 m height. Project worth $102 Mn.
5 MW Sainj HEP
Laid 1.2 km road along with tunneling of over 1.8 km. Constructed Barrage, penstock, surge shaft, power house and switch yard. Project also included Hydro mechanical and electro mechanical works.
Tala, Bhutan
The project required tunneling of over 1.4 km, construction of a coffer dam of 2.5m high, hydro-mechanical works and infrastructure works with a total worth of Rs. 250 Mn.
1200 MW Teesta-III HEP
Scope included roads of 29 km long, four bridges, tunneling of 25 km, construction of a pressure shaft of 1.4 km long and an underground power house with project worth being $401 Mn.
Rewa-Sidhi Railway tunnel
Scope included roads of 3 km long, 3 bridges and tunneling of 3.38 km, with project worth being Rs.1316 Mn.
T-14 Sevok-Rangpoo railway tunnel
Scope included roads of 2 km long, 1 bridge and tunneling of 2 km, with project worth being Rs.1235 Mn.