Wolwedans
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Wolwedans completed
Particulars
Owner: unknown
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: 10/89 (October 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
| Slope | Type |
|---|---|
| Vertical | Traditional concrete against formwork |
Downstream
| Slope | Type |
|---|---|
| 0.50 | Traditional concrete against formwork [stepped face] |
Spillway
| Slope | Type |
|---|---|
| 0.50 | Traditional concrete against formwork [stepped face] |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 250 | 250 |
Cementitious material
| Cement (kg/m3) |
|---|
| 58 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 136 | Low-lime flyash (ASTM Class F) |
