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Dam Search Results

Please note: only dams ≥ 15m which have been completed, are under construction, or due to begin RCC placement in the current year are included in the table below.

Results are sorted in the following order: Finish of RCC, Start of RCC, Finish of Project, Start of Project, Height and alphabetical by Dam Name.

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NameCountryOwnerPurposeRiverReservoir capacity (m3x106)Construction datesDimensionsVolumeFacingsPlacementCementitious material
StartFinishHeightLengthRCCTotalUpstreamDownstreamSpillwayLayersLiftsCementPozzolan
ProjectRCCRCCProject(m)(m)(m3x103)(m3x103)SlopeTypeSlopeTypeSlopeType(m)(m)(kg/m3)(kg/m3)
Nakai, part of Nam Theun 2 HPPLaos/Nam Theun Power Corporation (NTPC)/EdF (Electricitie de France)HNam Theun353004/0402/0603/0710/0939436155200 (1) (10) (12)300300100100(F)
Nam Gnouang (Theun Hinboun Expansion)LaosTheun Hinboun Power CompanyHNam Gnouang 10/0803/1012/11- /1270470383 V(1)0.80(1)1.00(12)30030090100(C)
Xekaman 1LaosXekaman Power Ltd.HXe Kaman312003/1205/1307/1512/161203358701065V(3')* (3')* (12)30030070130(F)
Nam Tha ILaosHNam Tha - /11- /13- /16- /1794              
Nam Ngum 5
[A]
LaosH  - /12- /14- /17- /1899              
Nam Ngiep ILaosNam Ngiep 1 Power CompanyHNam Ngiep119209/1404/1608/1801/191665402400 V(3') (3')* (12)3003000 -
3600
80
50
120
150
(F)
Nam Theun 1LaosNam Theun 1 Power CompanyHNam Kading, aka Nam Theun277208/1503/1705/2001/21177 39004400      3003000  (F)

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Please note: only dams ≥ 15m which have been completed, are under construction, or due to begin RCC placement in the current year are included in the list below.

Results are sorted in the following order: Finish of RCC, Start of RCC, Finish of Project, Start of Project, Height and alphabetical by Dam Name.

Full Dam Information

Details

Country: Laos

Owner: /Nam Theun Power Corporation (NTPC)/EdF (Electricitie de France)

Type: Gravity

Purpose(s): Hydropower

River: Nam Theun

Reservoir capacity: 3530 m3x106

Construction Dates

Start of Project: 04/04

Start of RCC: 04/04

End of RCC: 03/07

End of Project: 10/09

Specifications

Height: 39 metres

Length: 436 metres

Volume of RCC: 155 m3x103

Total volume: 200 m3x103

Construction Methods

Facings

Upstream
SlopeType
 Traditional concrete against formwork
Downstream
SlopeType
 RCC against precast concrete blocks
Spillway
SlopeType
 Reinforced conventional concrete cast after RCC placement

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
100
Pozzolan (kg/m3)Pozzolan Type
100Low-lime flyash (ASTM Class F)
  
Nakai, part of Nam Theun 2 HPP on Google Earth
Nakai, part of Nam Theun 2 HPP on Google Earth

Full Dam Information

Details

Country: Laos

Owner: Theun Hinboun Power Company

Type: Gravity

Purpose(s): Hydropower

River: Nam Gnouang

Reservoir capacity: -

Construction Dates

Start of Project: 10/08

Start of RCC: 10/08

End of RCC: 12/11

End of Project: -/12

Specifications

Height: 70 metres

Length: 470 metres

Volume of RCC: 383 m3x103

Total volume: -

Construction Methods

Facings

Upstream
SlopeType
VerticalTraditional concrete against formwork
Downstream
SlopeType
0.80Traditional concrete against formwork
Spillway
SlopeType
1.00Reinforced conventional concrete cast after RCC placement

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
90
Pozzolan (kg/m3)Pozzolan Type
100High-lime flyash (ASTM Class C)
  
Nam Gnouang (Theun Hinboun Expansion) under construction
Nam Gnouang (Theun Hinboun Expansion) under construction

Full Dam Information

Details

Country: Laos

Owner: Xekaman Power Ltd.

Type: Gravity

Purpose(s): Hydropower

River: Xe Kaman

Reservoir capacity: 3120 m3x106

Construction Dates

Start of Project: 03/12

Start of RCC: 03/12

End of RCC: 07/15

End of Project: 12/16

Specifications

Height: 120 metres

Length: 335 metres

Volume of RCC: 870 m3x103

Total volume: 1065 m3x103

Construction Methods

Facings

Upstream
SlopeType
VerticalRCC against formwork (GEVR/GE-RCC)  [stepped face]
Downstream
SlopeType
 RCC against formwork (GEVR/GE-RCC)  [stepped face]
Spillway
SlopeType
 Reinforced conventional concrete cast after RCC placement

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
70
Pozzolan (kg/m3)Pozzolan Type
130Low-lime flyash (ASTM Class F)
  
Xekaman 1 completed
Xekaman 1 completed

Full Dam Information

Details

Country: Laos

Owner: -

Type: Gravity

Purpose(s): Hydropower

River: Nam Tha

Reservoir capacity: -

Construction Dates

Start of Project: -/11

Start of RCC: -/11

End of RCC: -/16

End of Project: -/17

Specifications

Height: 94 metres

Length: -

Volume of RCC: -

Total volume: -

Construction Methods

Facings

Upstream
SlopeType
  
Downstream
SlopeType
  
Spillway
SlopeType
  

Placement

Layers (mm)Lifts (mm)
  

Cementitious material

Cement (kg/m3)
 
Pozzolan (kg/m3)Pozzolan Type
  
  
Photo coming soon

Full Dam Information

Details

Country: Laos

Owner: -

Type: Thin Arch

Purpose(s): Hydropower

River: -

Reservoir capacity: -

Construction Dates

Start of Project: -/12

Start of RCC: -/12

End of RCC: -/17

End of Project: -/18

Specifications

Height: 99 metres

Length: -

Volume of RCC: -

Total volume: -

Construction Methods

Facings

Upstream
SlopeType
  
Downstream
SlopeType
  
Spillway
SlopeType
  

Placement

Layers (mm)Lifts (mm)
  

Cementitious material

Cement (kg/m3)
 
Pozzolan (kg/m3)Pozzolan Type
  
  
Photo coming soon

Full Dam Information

Details

Country: Laos

Owner: Nam Ngiep 1 Power Company

Type: Gravity

Purpose(s): Hydropower

River: Nam Ngiep

Reservoir capacity: 1192 m3x106

Construction Dates

Start of Project: 09/14

Start of RCC: 09/14

End of RCC: 08/18

End of Project: 01/19

Specifications

Height: 166 metres

Length: 540 metres

Volume of RCC: 2400 m3x103

Total volume: -

Construction Methods

Facings

Upstream
SlopeType
VerticalRCC against formwork (GEVR/GE-RCC)
Downstream
SlopeType
 RCC against formwork (GEVR/GE-RCC)  [stepped face]
Spillway
SlopeType
 Reinforced conventional concrete cast after RCC placement

Placement

Layers (mm)Lifts (mm)
3003000  -
 3600

Cementitious material

Cement (kg/m3)
80
50
Pozzolan (kg/m3)Pozzolan Type
120Low-lime flyash (ASTM Class F)
150 
Nam Ngiep I under construction
Nam Ngiep I under construction

Full Dam Information

Details

Country: Laos

Owner: Nam Theun 1 Power Company

Type: Gravity

Purpose(s): Hydropower

River: Nam Kading, aka Nam Theun

Reservoir capacity: 2772 m3x106

Construction Dates

Start of Project: 08/15

Start of RCC: 08/15

End of RCC: 05/20

End of Project: 01/21

Specifications

Height: 177 metres

Length: -

Volume of RCC: 3900 m3x103

Total volume: 4400 m3x103

Construction Methods

Facings

Upstream
SlopeType
  
Downstream
SlopeType
  
Spillway
SlopeType
  

Placement

Layers (mm)Lifts (mm)
3003000

Cementitious material

Cement (kg/m3)
 
Pozzolan (kg/m3)Pozzolan Type
 Low-lime flyash (ASTM Class F)
  
Photo coming soon

 

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