Project: Tala, Bhutan (Commissioned)

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)