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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)
Nam Leuk spillwayLaosEDL Generation Public Co. LtdH  - /98- /98- /99- /001560             
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 Gnouang226210/0803/1012/11- /1270470383 V(1)0.80(1)1.00(12)30030090100(F)
Nam Ngum 5
[A]
LaosNam Ngum 5 Power Company Ltd. (15% Électricité du Laos - Generation Company Ltd., 85% Power)HNam Ting31410/0811/1112/1212/12101235298421           
Xekaman 1LaosXekaman Power Ltd.HXe Kaman312003/1205/1307/1512/161203358701065V(3')* (3')* (12)30030070130(F)
Nam Ngiep ILaosNam Ngiep 1 Power CompanyHNam Ngiep119209/1404/1604/1808/191675402288 V(3') (3')* (12)3002400 -
3600
80
60
120
70
(F)
Xe-Pian Xe-NamnoyLaosXe-Pian Xe Namnoy Power CompanyHXepian104310/1804/1910/19- /1956430170200V   none 300300  (F)
Nam Kong 3LaosChaleun Sekong Energy Co Ltd (CSE)HNam Kong47111/17- /18- /1905/2065500379            
Nam Theun 1LaosNam Theun 1 Power CompanyHNam Kading, aka Nam Theun300908/1501/1906/2107/2217777239804180      3003000100
120
80
130
(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: EDL Generation Public Co. Ltd

Type: Gravity

Purpose(s): Hydropower

River: -

Reservoir capacity: -

Construction Dates

Start of Project: -/98

Start of RCC: -/98

End of RCC: -/99

End of Project: -/00

Specifications

Height: 15 metres

Length: 60 metres

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 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 completed
Nakai, part of Nam Theun 2 HPP completed

Full Dam Information

Details

Country: Laos

Owner: Theun Hinboun Power Company

Type: Gravity

Purpose(s): Hydropower

River: Nam Gnouang

Reservoir capacity: 2262 m3x106

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
100Low-lime flyash (ASTM Class F)
  
Nam Gnouang (Theun Hinboun Expansion) completed
Nam Gnouang (Theun Hinboun Expansion) completed

Full Dam Information

Details

Country: Laos

Owner: Nam Ngum 5 Power Company Ltd. (15% Électricité du Laos - Generation Company Ltd., 85% Power)

Type: Thin Arch

Purpose(s): Hydropower

River: Nam Ting

Reservoir capacity: 314 m3x106

Construction Dates

Start of Project: 10/08

Start of RCC: 10/08

End of RCC: 12/12

End of Project: 12/12

Specifications

Height: 101 metres

Length: 235 metres

Volume of RCC: 298 m3x103

Total volume: 421 m3x103

Construction Methods

Facings

Upstream
SlopeType
  
Downstream
SlopeType
  
Spillway
SlopeType
  

Placement

Layers (mm)Lifts (mm)
  

Cementitious material

Cement (kg/m3)
 
Pozzolan (kg/m3)Pozzolan Type
  
  
Nam Ngum 5 completed
Nam Ngum 5 completed

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: 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: 04/18

End of Project: 08/19

Specifications

Height: 167 metres

Length: 540 metres

Volume of RCC: 2288 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)
3002400  -
 3600

Cementitious material

Cement (kg/m3)
80
60
Pozzolan (kg/m3)Pozzolan Type
120Low-lime flyash (ASTM Class F)
70 
Nam Ngiep I completed
Nam Ngiep I completed

Full Dam Information

Details

Country: Laos

Owner: Xe-Pian Xe Namnoy Power Company

Type: Gravity

Purpose(s): Hydropower

River: Xepian

Reservoir capacity: 1043 m3x106

Construction Dates

Start of Project: 10/18

Start of RCC: 10/18

End of RCC: 10/19

End of Project: -/19

Specifications

Height: 56 metres

Length: 430 metres

Volume of RCC: 170 m3x103

Total volume: 200 m3x103

Construction Methods

Facings

Upstream
SlopeType
Vertical 
Downstream
SlopeType
    [stepped face]
Spillway
SlopeType
none 

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

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

Full Dam Information

Details

Country: Laos

Owner: Chaleun Sekong Energy Co Ltd (CSE)

Type: Gravity

Purpose(s): Hydropower

River: Nam Kong

Reservoir capacity: 471 m3x106

Construction Dates

Start of Project: 11/17

Start of RCC: 11/17

End of RCC: -/19

End of Project: 05/20

Specifications

Height: 65 metres

Length: 500 metres

Volume of RCC: 379 m3x103

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 Theun 1 Power Company

Type: Gravity

Purpose(s): Hydropower

River: Nam Kading, aka Nam Theun

Reservoir capacity: 3009 m3x106

Construction Dates

Start of Project: 08/15

Start of RCC: 08/15

End of RCC: 06/21

End of Project: 07/22

Specifications

Height: 177 metres

Length: 772 metres

Volume of RCC: 3980 m3x103

Total volume: 4180 m3x103

Construction Methods

Facings

Upstream
SlopeType
  
Downstream
SlopeType
  
Spillway
SlopeType
  

Placement

Layers (mm)Lifts (mm)
3003000

Cementitious material

Cement (kg/m3)
100
120
Pozzolan (kg/m3)Pozzolan Type
80Low-lime flyash (ASTM Class F)
130 
Nam Theun 1 under construction
Nam Theun 1 under construction

 

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