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North East Frontier Railway (Tunnel 23)

  • Location : Sairang, Mizoram State
  • Client : Northeast Frontier Railway
  • Date of Completion : December 2017
  • Value of Work : 116.08 Crores
  • 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.)