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Clay-core/Earth-fill dams:

Omdel Dam (Namibia)
Zomba Dam (Malawi)
Vondo Dam (Venda, South Africa)


Composite Earth/Concrete dams:

Bokaa Dam (Botswana)


Composite RCC/Earth-fill dams:

Arabie Dam, (new name: Flag Boshielo Dam), (South Africa)


Bitamin-Core/Rock-fill dams:

Greater Ceres Dam (South Africa)


Concrete-Double-Arch dams:

Paris Dam, new name Bivane Dam (South Africa)


RCC dams:

Ntimbale Dam (Botswana)


Clay-core/Rock-fill dams:
Letsibogo Dam (Botswana)
Maguga Dam (Swaziland)

Rock-fill/Concrete-Face-Slab dams:

Mohale Dam (Lesotho)


Maguga Dam (Swaziland):
122m height Clay-core/Rock-fill dam, supply, installation and monitoring.

Mohale Dam (Lesotho):
142m height Rock-fill/Concrete-Face-Slab dam, supply, installation and monitoring.

Ntimbale Dam (Botswana):
Cay-core/Rock-fill dam and RCC dam, supply and installation.

Berg River Dam (Franschhoek, SA):
Rock-fill/Concrete-Face-Slab dam, supply, installation and monitoring.

Lusip Project (Swaziland):

Golome Dam - Supply and installation of Clay-core/Rock-fill dam.
Mhlathuzane Dam - Supply and installation of
RCC dam.

GI personnel have undertaken and have been responsible for the Geotechnical Instrumentation Installations of various other projects in Southern Africa:

Mine Tunnels:

Tshikondeni Mine (Limpopo, South Africa)


Rail Tunnels:

14.6km long Hexriver Tunnel (De Doorns – Touws River, South Africa),
Mqwabe-Sikame Tunnel (Vryheid, South Africa) where complex monitoring of rock movement was required.


Bridges:

98m high Malibamatso Bridge (Northern access road to Katse Dam, Lesotho),
Chalumna Bridge (East London/Port Alfred, R72, South Africa), various deck and pillar Strain Gauge (embedment and surface) installations.


Mine Shafts:

South Deep Main Shaft and Vent Shaft (Westonaria, South Africa), installation and Monitoring of 18 x 16 Strain Gauge Ring Harnesses