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dikchu hep 96 mw (dam & tunnel)

dikchu hep 96 mw (dam & tunnel)
  • Lingdok – East Sikkim
  • Haridwar Infrastructure Ltd (Greenko Group)
  • Completed
  • Rs. 251.09 Crores
  • Scope of Work: Construction of Approach Roads, Intake Tunnel, Access Tunnels, De-silting Chambers, HRT, Gate Shafts, Silt Flushing Tunnel and other works in connection with Dikchu Hydroelectric Project and Construction of 35 Meters Height Concrete Dam and Intake Structure

Salient Features

  • Height of Dam : 35.0 meters
  • Length of Dam : 93.0 meters
  • Type of Gates : Radial & Stop – Log
  • No of Gates : 4 Nos.
  • Dam Concrete : 69300.00 Cum (App.)
  • Dam Reinforcement : 4500.00 MT (App.)
  • Overflow blocks : 2 Nos.
  • Non overflow blocks : 3 Nos.
  • Intake : 390 meters X 5.4 meters
  • HRT : 5500 meters X 5.4 meters
  • SFT : 479.00 meters X 3.8 meters
  • Desilting Chamber : 140m x 12m x15.5m
  • No of Gate Shaft : 2 Nos.
  • Length of Shaft : 10 meters & 22 meters
  • Underground Excavation : 1,42,450.00 Cum (App.)
  • Underground Concrete works : 23,500.00 Cum (App.)
  • Concrete Lined Tunnel : 4.8 m. Dia X 3685 m. Length