Project: Tala, Bhutan (Commissioned)

Client: Druk Green Power Corporation Limited

 

Capacity

Tsibjalumchhu Diversion Scheme for Augmentation of Hydropower of 1020 MW Tala Hydropower Plant

Location

Bhutan

 

Project Duration

19 Months

 

Contract Value

INR 35.36 Crores (US$ 5.45 Millions)  (1 US$=INR 65)

 

Project Status

Commissioned October 2014

 

Design

Complete Planning, Design & Engineering

 

 

Civil Works

Coffer Dam

2.5m high

Diversion Arrangement

1.0m dia., 65m long MS pipe

Trench Weir

11.0 m long and 2.5 m width 

Intake Chamber

4.0 m long, 5.3 m wide and 10.3 m height

Headrace Tunnel

3.5 m D shaped, 1465 m long with concrete lined channel and a walkway

Adit to Headrace Tunnel

3.5 m D shaped, 57 m long

Outfall Structure (Baffled Chute Spillway)

6.0 m long, 6.0 m wide and 5.30 m height  

 

 

Infra Works

Approach Road from Ropeway UTP to Intake location

100 m long and 4.0 m wide

Temporary Steel Bridge

10.0 m long and 4.0 m wide

Ropeway to Trench Weir/ Intake site

6T Capacity Material Ropeway, 700 m long

 

 

 

 

HM Works

Design, manufacture, supply, transportation and installation of Gates

Trash Racks (8 Panels)    - 1.84 m (B) x 2.0 m (H) each

Intake Gate                       - 1.5 m (B) x 2.0 m (H)

Maintenance Gate          - 2.5 m (B) x 2.0 m (H)

Flushing Gate                  - 0.5 m (B) x 0.5 m (H)

 Note: EM – Electro mechanical and HM - Hydro-mechanical