Pietrangeli.com uses cookies to ensure you get the best experience on our website. info Ok


Place

Malaysia


Client

Salini S.p.A.


Year

2013 - 2014

Description for Ulu Jelai Hydropower (Malaysia)

Ulu Jelai project consists in a RCC gravity dam and an undergound power house, with an installed power of 382 MW.

Main Features

  • Reservoir ( Catchment area 158 km2, V = 24 Mm3 )
  • Underground powerhouse ( Dim. 88 x 22.5 x 35.5 m, No. 2 Francis turbines, IP = 2x191 MW )
  • Susu dam ( RCC gravity type, H = 88 m, L = 466 m )
  • Spillway ( Free-overflow, L = 40 m, Q = 1,726 m3/s, Dim. 9 x 7 m )
  • Rockfill Cofferdam ( H = 14 m, L = 26 m )
  • Diversion tunnel ( L = 207 m, W = 6.5 m )
  • Headrace tunnel ( L = 4’200 m, D = 8.3 m )
  • Surge shaft ( Upper portion: H = 74 m, D = 17 - 19 m; Lower portion: H = 170 m, D = 6.5 m )
  • Tailrace tunnel ( L = 1,715 m, D = 8.3 m )
 

Engineering Services

  • Consultancy services
  • Construction design of the Surge shaft, Diversion tunnel and Cofferdam

Request Information

Other projects

Dam Engineering Hydropower engineering