Transcript The Big 5 Dams

OUR
BIG
PONGOLA POORT DAM
PROVINCE:
COMPLETION:
RIVER:
WALL HEIGHT:
CAPACITY (1000 cubic m):
WALL TYPE:
KwaZulu Natal
1973
Pongola River
89 metres
2 445 900
Double Curvature Concrete Arch
WATER IS LIFE - SANITATION IS DIGNITY
VAAL DAM
PROVINCE:
COMPLETION:
RIVER:
WALL HEIGHT:
CAPACITY (1000 cubic m):
WALL TYPE:
FREE STATE
1938 (raised in 1956 and 1983)
Vaal River
63 metres
2 536 000
Concrete Gravity and Earth Fill
WATER IS LIFE - SANITATION IS DIGNITY
STERKFONTEIN DAM
PROVINCE:
COMPLETION:
RIVER:
WALL HEIGHT:
CAPACITY (1000 cubic m):
WALL TYPE:
FREE STATE
1980
Nuwejaar Spruit
93 metres
2 616 000
Earth Fill
WATER IS LIFE - SANITATION IS DIGNITY
VAN DER KLOOF DAM
PROVINCE:
COMPLETION:
RIVER:
WALL HEIGHT:
CAPACITY (1000 cubic m):
WALL TYPE:
FREE STATE
1977
Orange River
107 metres
3 187 557
Double Curvature Concrete Arch
WATER IS LIFE - SANITATION IS DIGNITY
GARIEP DAM
PROVINCE:
COMPLETION:
RIVER:
WALL HEIGHT:
CAPACITY (1000 cubic m):
WALL TYPE:
FREE STATE
1971
Orange River
88 metres
5 342 932
Double Curvature Concrete Arch
WATER IS LIFE - SANITATION IS DIGNITY