• Location: Lingdok – East Sikkim
• Client: Haridwar Infrastructure Ltd (Greenko Group)
• Status of Work: Completed
• Value of Work: 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