Inyaka
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Inyaka completed

Particulars
Owner: unknown
Designer: Department of Water Affairs and Forestry
Contractor: Group 5 (Roads) Africa
Statistics
Type: Gravity
Purpose(s): Water Supply
Reservoir capacity: 123 m3x106
Height: 53 metres
Length: 350 metres
Volume of RCC: 160 m3x103
Total volume: 327 m3x103
Construction Dates
Start of Project: 01/96 (January 1996)
Start of RCC: 06/97 (June 1997)
End of RCC: 10/00 (October 2000)
End of Project: 03/02 (March 2002)
Country: South Africa
River: Marite
DMS Co-ordinates: 24˚53'6.14"S, 31˚5'4.62"E
DD Co-ordinates: -24.885038, 31.084618
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | Traditional concrete against formwork |
Downstream
| Slope | Type |
|---|---|
| 0.68 | Traditional concrete against formwork |
Spillway
| Slope | Type |
|---|---|
| 0.68 | Traditional concrete against formwork |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 250 | 250 |
Cementitious material
| Cement (kg/m3) |
|---|
| 60 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 120 | Low-lime flyash (ASTM Class F) |
