Samanala Dam

from Wikipedia, the free encyclopedia
Samanala Dam
The Samanalawewa Dam
The Samanalawewa Dam
Location: Sri LankaSri Lanka Sri Lanka
Tributaries: Walawe and Belihul
Larger places on the shore: Balangoda
Samanala Dam (Sri Lanka)
Samanala Dam
Coordinates 6 ° 40 ′ 45 "  N , 80 ° 47 ′ 56"  E Coordinates: 6 ° 40 ′ 45 "  N , 80 ° 47 ′ 56"  E
Data on the structure
Lock type: dam
Construction time: - 1992
Height of the barrier structure : 100 m
Building volume: 4.5 million m³
Crown length: 530 m
Slope slope on the air side : 1: 1.8
Slope slope on the water side : 1: 2
Power plant output: 120 MW
Data on the reservoir
Altitude (at congestion destination ) 460 m above sea level
Reservoir length 8 kilometersdep1
Storage space 218 million m³
Total storage space : 278 million m³
Catchment area 342 or 372 km² (contradicting information)
Design flood : 3600 m³ / s

The Samanala Dam is the second largest dam in Sri Lanka after the Mahaweli Dam . It is located 160 km southeast of the capital Colombo and is used to generate electricity . Another dam (Uda Walawe) lies below on the river Walawe .

additional data

  • Type of construction: stone embankment dam with inner seal made of earth
  • Average discharge: 17.8 m³ / s
  • Average annual discharge: 598 million m³ / a
  • measured peak discharge: 719 m³ / s

In the magazine World Rivers Review (IV / 1992) a case of damage is reported when the dam was dammed in 1992. The dam was leaking and had to be laboriously repaired.

See also

Web links