Dikchu Hydroelectric Project (Tunnels)


Lingdok – East Sikkim


Haridwar Infrastructure Ltd (Greenko Group)

Date of Completion

December 2016

Value of Work

121.55 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.

Salient Features

  • 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

Mizoram BG Railway Line Bridge

Sevoke Railway Tunnel Project

Arun-3 Hydroelectric Project (900 MW)

Western Railway (Indore) – Tunnel No.1

Satna-Panna New BG Line Project

Likhu-4 Hydroelectric Project

Lower Solu Hydroelectric Project (82 MW)

Lower Solu Hydroelectric Project (82 MW)

Telengiri Irrigation Project (Spillway)

Telengiri Irrigation Project (Periphery Road)

Telengiri Irrigation Project (Earth Dam)

Telengiri Irrigation Project (Canal)

RET Irrigation Project (Spillway)

Dikchu Hydroelectric Project (Dam)

North East Frontier Railway (Tunnel 12)

North East Frontier Railway (Tunnel 21-22)

North East Frontier Railway (Tunnel 23)

Rengali Left Branch Canal

Dikchu Hydroelectric Project (Tunnels)

Kalpong Hydroelectric Project

Lower Suktel Irrigation Project (Spillway)

Larji Hydroelectric Project

Lumding-Silchar Gauge Conversion Project (Tunnels 5-6)

Lumding-Silchar Gauge Conversion Project (Tunnel 7)

Lower Suktel Irrigation Project (Earth Dam)

Cheligada Irrigation Project (High Level Bridge)