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Nam Sam 3

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Particulars

Owner: unknown

Designer: SCI Consulting Joint Stock Company (EPC Contract)

Contractor: SCI E&C JSC Company (Vietnam)

Statistics

Type: Gravity

Purpose(s): Hydropower

Reservoir capacity: 435 m3x106

Height: 122 metres

Length: 321 metres

Volume of RCC: 907 m3x103

Total volume: 987 m3x103

Construction Dates

Start of Project: 10/19 (October 2019)

Start of RCC: 07/21 (July 2021)

End of RCC: 04/23 (April 2023)

End of Project: 06/23 (June 2023)

Country: Laos

River: Nam Xam

DMS Co-ordinates: 20˚8'59.93"N, 104˚30'33.84"E

DD Co-ordinates: 20.149981, 104.509399

Facings

Upstream

SlopeType
VerticalRCC against formwork (GEVR/GE-RCC)

Downstream

SlopeType
 RCC against formwork (GEVR/GE-RCC)  [stepped face]

Spillway

SlopeType
  

Placement

Layers (mm)Lifts (mm)
  

Cementitious material

Cement (kg/m3)
60
Pozzolan (kg/m3)Pozzolan Type
140Low-lime flyash (ASTM Class F)