north east frontier railway (tunnel 23)

• Scope of Work : Construction of Single Line BG Tunnel no. 23 ( App. Length 1056 RM ) at Km. 43.160 to 44.356 in between station Mualkhang & Sairang in connection with construction of New Railway Line Project Bhairabi – Sairang (Mizoram) of NF Railway (Construction)

Salient Features

• Method of Tunneling : NATM
• Length of Tunnel : 1200 meters
• Underground Excavation : 78,000 Cum (App.)
• Open Excavation : 400000 Cum (App.)
• Underground Shotcrete : 18,000 Cum (App.)
• Underground Concrete : 17, 400 Cum (App.)
• Steel : 2320.00 MT (App.)