Place

Malaysia


Client

Salini S.p.A.


Year

2013 - 2014

Description for Ulu Jelai (Malaysia)

Main Features

  • Reservoir (Catchment area 158 km2, V = 24 Mm3)
  • 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)
  • Underground powerhouse (Dim. 88 x 22.5 x 35.5 m, n°2 Francis turbines, IP = 2x191 MW)

Engineering Services

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

Request Information
Dam Engineering Hydropower engineering