Nakai, part of Nam Theun 2 HPP

Particulars

Owner: unknown

Designer: Italian Thai-Nishimatsu Construction Co. JV

Contractor: Italian Thai-NCC JV

Purpose(s): Hydropower

Reservoir capacity: 3530 m³x10⁶

Height: 39 metres

Length: 436 metres

Volume of RCC: 155 m³x10³

Total volume: 200 m³x10³

Start of Project: 04/04 (April 2004)

Start of RCC: 02/06 (February 2006)

End of RCC: 03/07 (March 2007)

End of Project: 10/09 (October 2009)

Country: Laos

DMS Co-ordinates: 17˚59'50.25"N, 104˚57'8.82"E

DD Co-ordinates: 17.997292, 104.952454

Slope	Type
	Traditional concrete against formwork

Slope	Type
	RCC against precast concrete blocks

Slope	Type
	Reinforced conventional concrete cast after RCC placement

Layers (mm)	Lifts (mm)
300	300

Cement (kg/m³)
100

Pozzolan (kg/m³)	Pozzolan Type
100	Low-lime flyash (ASTM Class F)