north east frontier railway (tunnel 12)

• Scope of Work : Construction of Single Line BG Tunnel no. 12 (App. Length 1056 RM) at Km. 24.280 to 25.316 in between station Hortoki & Kawnpui

Salient Features

• Method of Tunneling : NATM
• Length of Tunnel : 1056 meters
• Underground Excavation : 68,700 Cum (App.)
• Open Excavation : 499000 Cum (App.)
• Underground Shotcrete : 12,700 Cum (App.)
• Underground Concrete : 16, 210 Cum (App.)
• Steel : 2481.00 MT (App.)