Nam Ngiep I
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Nam Ngiep I completed
Particulars
Owner: unknown
Designer: Kansai
Contractor: Obayashi (with sub-Contractor Song Da Corporation)
Statistics
Type: Gravity
Purpose(s): Hydropower
Reservoir capacity: 1192 m3x106
Height: 167 metres
Length: 540 metres
Volume of RCC: 2288 m3x103
Total volume: unknown
Construction Dates
Start of Project: 09/14 (September 2014)
Start of RCC: 04/16 (April 2016)
End of RCC: 04/18 (April 2018)
End of Project: 08/19 (August 2019)
Country: Laos
River: Nam Ngiep
DMS Co-ordinates: 18˚38'44.08"N, 103˚31'31.63"E
DD Co-ordinates: 18.646389, 103.525452
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | RCC against formwork (GEVR/GE-RCC) |
Downstream
| Slope | Type |
|---|---|
| RCC against formwork (GEVR/GE-RCC) [stepped face] |
Spillway
| Slope | Type |
|---|---|
| Reinforced conventional concrete cast after RCC placement |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 300 | 2400 - |
| 3600 |
Cementitious material
| Cement (kg/m3) |
|---|
| 80 |
| 60 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 120 | Low-lime flyash (ASTM Class F) |
| 70 |
