Nam Ngum 4
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Nam Ngum 4 completed
Particulars
Owner: EDL (Electricite du Laos)
Designer: Artelia
Contractor: PowerChina (China National Heavy Machinery Co.)
Statistics
Type: Gravity
Purpose(s): Hydropower
Reservoir capacity: 110 m3x106
Height: 74 metres
Length: 252 metres
Volume of RCC: 230 m3x103
Total volume: unknown
Construction Dates
Start of Project: 02/18 (February 2018)
Start of RCC: 03/19 (March 2019)
End of RCC: 01/23 (January 2023)
End of Project: —/24 (— 2024)
Country: Laos
River: Nam Ngum
DMS Co-ordinates: 19˚27'14.08"N, 103˚0'36.77"E
DD Co-ordinates: 19.453911, 103.010216
Facings
Upstream
| Slope | Type |
|---|---|
Downstream
| Slope | Type |
|---|---|
| RCC against formwork (GEVR/GE-RCC) [stepped face] |
Spillway
| Slope | Type |
|---|---|
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
Cementitious material
| Cement (kg/m3) |
|---|
| 82 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 100 | |
