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North East Frontier Railway (Tunnel 21-22)

  • Location : Kawnpui, Mizoram State
  • Client : Northeast Frontier Railway
  • Date of Completion : December 2017
  • Value of Work : 109.30 Crores
  • 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.)