Vondo Dam, situated near Thohoyando, Limpopo Province, South Africa is a 43m high Earth-Fill Dam with a 286m crest length.Outlet works comprises of a stunning wet well intake tower and the dam serves mainly for irrigation purposes.

Dam capacity is 30.5 million m³ and a gross storage capacity of 130 million m³.

Vondo Dam Instrumentation consists of the following:

• Vibrating Wire Piezometers in the Embankment and foundation measuring pore pressure.
• Data Acquisition System CR800/1000 (Valve House).

Instruments installed in and around the Dam Embankment are intended to monitor:

• Pore pressure within the Embankment and foundations.

Installed Instruments Specification:

Vibrating Wire Piezometers(In embankment)

• Geokon Vibrating Wire Model 4500S

Data Acquisition System CR800/1000 (Valve House)

• Geokon Micro-1000 Data logger Model 8021

• Geokon Multiplexer (MUX) Model 8032

Designers: Department of Water Affairs (South Africa)

Consulting Engineers: Department of Water Affairs (South Africa)

Contractors: Department of Water Affairs (South Africa)