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Wolwedans

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Wolwedans completed
Wolwedans completed

Particulars

Owner: Department of Water & Sanitation

Designer: Department of Water Affairs & Forestry

Contractor: Department of Water Affairs

Statistics

Type: Arch-Gravity

Purpose(s): Water Supply

Reservoir capacity: 24 m3x106

Height: 70 metres

Length: 268 metres

Volume of RCC: 180 m3x103

Total volume: 210 m3x103

Construction Dates

Start of Project: 11/87 (November 1987)

Start of RCC: 10/88 (October 1988)

End of RCC: 09/89 (September 1989)

End of Project: 11/90 (November 1990)

Country: South Africa

River: Great Brak

DMS Co-ordinates: 34˚0'51.64"S, 22˚13'44.55"E

DD Co-ordinates: -34.014343, 22.229042

Facings

Upstream

SlopeType
VerticalTraditional concrete against formwork

Downstream

SlopeType
0.50Traditional concrete against formwork  [stepped face]

Spillway

SlopeType
0.50Traditional concrete against formwork  [stepped face]

Placement

Layers (mm)Lifts (mm)
250250

Cementitious material

Cement (kg/m3)
58
Pozzolan (kg/m3)Pozzolan Type
136Low-lime flyash (ASTM Class F)