Kafue Gorge Lower (KGL)
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Particulars
Owner: Kafue Gorge Lower Power Development Co. Ltd.
Designer: Power China/SinoHydro
Contractor: Power China/SinoHydro Co. Ltd. (11th Construction Bureau)
Statistics
Type: Gravity
Purpose(s): Hydropower
Reservoir capacity: 83 m3x106
Height: 140 metres
Length: 397 metres
Volume of RCC: 1300 m3x103
Total volume: 1530 m3x103
Construction Dates
Start of Project: 09/15 (September 2015)
Start of RCC: 06/18 (June 2018)
End of RCC: 12/19 (December 2019)
End of Project: —/20 (— 2020)
Country: Zambia
River: Kafue
DMS Co-ordinates: 15˚50'31.54"S, 28˚27'10.07"E
DD Co-ordinates: -15.842094, 28.452797
Facings
Upstream
| Slope | Type |
|---|---|
| 0.20 | RCC against formwork (GEVR/GE-RCC) |
Downstream
| Slope | Type |
|---|---|
| 0.75 | RCC against formwork (GEVR/GE-RCC) |
Spillway
| Slope | Type |
|---|---|
| 0.75 | Reinforced conventional concrete cast after RCC placement |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 300 | 300 |
Cementitious material
| Cement (kg/m3) |
|---|
| 60 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 112 | Low-lime flyash (ASTM Class F) |