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Lai Chau

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Lai Chau completed
Lai Chau completed

Particulars

Owner: EVN (Electrictie de Vietnam)

Designer: PECC1 (Power Engineering Consulting Company Nº1)

Contractor: Song Da Corporation (SDC)

Statistics

Type: Gravity

Purpose(s): Hydropower

Reservoir capacity: 1215 m3x106

Height: 131 metres

Length: 620 metres

Volume of RCC: 1884 m3x103

Total volume: 2500 m3x103

Construction Dates

Start of Project: 06/10 (June 2010)

Start of RCC: 03/13 (March 2013)

End of RCC: 05/15 (May 2015)

End of Project: 07/17 (July 2017)

Country: Vietnam

River: Song Da (Black River)

DMS Co-ordinates: 22˚08'16.81"N, 102˚59'1.57"E

DD Co-ordinates: 22.138002, 102.983772

Facings

Upstream

SlopeType
VerticalRCC against formwork (GEVR/GE-RCC)

Downstream

SlopeType
0.75RCC against formwork (GEVR/GE-RCC)  [stepped face]

Spillway

SlopeType
0.75Reinforced conventional concrete cast after RCC placement

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
60
Pozzolan (kg/m3)Pozzolan Type
160Low-lime flyash (ASTM Class F)