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Teesta VI Hydro Power Project

Review of DPR, tendering support and detailed design for a 500 MW run-of-river scheme in India

Description of the project:

Teesta VI Hydro Electric Project (500 MW) is located on the Teesta River in southern Sikkim and is a run-of-river scheme.

The diversion structures comprises a dam 34.5 m high with four spillways & radial gates; 4 independent straight type intake structures; 4 desilting chambers; 2 headrace tunnels; 2 underground restricted orifice type surge shafts; 2 steel lined pressure shafts; an underground powerhouse cavern housing 4 vertical Francis turbine units, each with a capacity of 125 MW; and 2 tailrace tunnels to discharge the water back into the Teesta River.

ÅF's services:


  • Review of detailed project report;
  • System optimization;
  • Assistance in tender design & drawings for civil works;
  • Basic design & engineering for EM & HM works;
  • Preparation of tender documents;
  • Evaluation of bids.


Hydraulic mode studies for head works at LCH and detailed design & drawings including construction methodology for head works.

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