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Studio Pietrangeli

Malaysia

Ulu Jelai Hydropower

Engineering services for hydropower plant

Malaysia

Ulu Jelai Hydropower

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

Pahang - Malaysia

PLACE

Salini S.p.A.

CLIENT

2013 - 2014

YEAR

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, No. 2 Francis turbines, IP = 2×191 MW )

Malaysia

Ulu Jelai Hydropower

Engineering
Services

Consultancy services

Construction design of the Surge shaft, Diversion tunnel and Cofferdam