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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| Name | Country | Owner | Purpose | River | Reservoir capacity (m3x106) | Construction dates | Dimensions | Volume | Facings | Placement | Cementitious material | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Start | Finish | Height | Length | RCC | Total | Upstream | Downstream | Spillway | Layers | Lifts | Cement | Pozzolan | ||||||||||||
| Project | RCC | RCC | Project | (m) | (m) | (m3x103) | (m3x103) | Slope | Type | Slope | Type | Slope | Type | (m) | (m) | (kg/m3) | (kg/m3) | |||||||
| Nam Leuk spillway | Laos | H | Nam Leuk | 185 | - /98 | - /98 | - /99 | - /00 | 15 | 60 | ||||||||||||||
| Nam Mang 3 | Laos | H | Nam Gnong | 49 | - /02 | - /03 | - /04 | 01/05 | 28 | 151 | ||||||||||||||
| Nakai, part of Nam Theun 2 HPP | Laos | H | Nam Theun | 3530 | 04/04 | 02/06 | 03/07 | 10/09 | 39 | 436 | 155 | 200 | (1) | (10) | (12) | 300 | 300 | 100 | 100 | (F) | ||||
| Nam Gnouang (Theun Hinboun Expansion) | Laos | H | Nam Gnouang | 2450 | 10/08 | 03/10 | 12/11 | - /12 | 65 | 480 | 383 | V | (1) | 0.80 | (1) | 1.00 | (12) | 300 | 300 | 90 | 100 | (F) | ||
| Nam Ngum 5 [A] | Laos | H | Nam Ting | 314 | 10/08 | 11/11 | 12/12 | 12/12 | 101 | 235 | 298 | 421 | ||||||||||||
| Xekaman 1 | Laos | H | Xe Kaman | 3120 | 03/12 | 05/13 | 07/15 | 12/16 | 120 | 335 | 870 | 1065 | V | (3')* | (3')* | (12) | 300 | 300 | 70 | 130 | (F) | |||
| Nam Ou 5 | Laos | H | Nam Ou | - /11 | - /13 | - /15 | - /16 | 74 | 445 | |||||||||||||||
| Nam Ngiep I | Laos | H | Nam Ngiep | 1192 | 09/14 | 04/16 | 04/18 | 08/19 | 167 | 540 | 2288 | V | (3') | (3')* | (12) | 300 | 2400 - 3600 | 80 60 | 120 70 | (F) | ||||
| Xayaburi (Left bank closure section) | Laos | H | Mekong | 03/12 | 01/18 | 12/18 | 10/19 | 40 | 109 | 82 | 85 | V | (1) | (16) | 300 | 300 | 60 | 100 | (F) | |||||
| Saddle Dam D (Xe-Pian Xe-Namnoy) | Laos | H | Xepian | 1043 | 10/18 | 04/19 | 10/19 | - /19 | 56 | 430 | 170 | 200 | V | none | 300 | 300 | (F) | |||||||
| Nam Kong 3 | Laos | H | Nam Kong | 471 | 11/17 | 03/19 | 02/21 | 11/21 | 65 | 500 | 347 | 400 | V | (3') | 0.75 | (3')* | 0.75 | (12) | 300 | 3000 | 75 | 113 | (F) | |
| Nam Theun 1 | Laos | H | Nam Kading, aka Nam Theun | 3009 | 08/15 | 01/19 | 01/22 | 07/22 | 187 | 772 | 4141 | 4341 | 300 | 3000 | 100 120 | 80 130 | (F) | |||||||
| Nam Sam 3 | Laos | H | Nam Xam | 435 | 10/19 | 07/21 | 04/23 | 06/23 | 122 | 321 | 907 | 987 | V | (3') | (3')* | 60 | 140 | (F) | ||||||
| Nam Ngum 4 | Laos | H | Nam Ngum | 02/18 | - /21 | - /23 | - /24 | 74 | 252 | |||||||||||||||
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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.
Details
Country: Laos
Owner: -
Type: Gravity
Purpose(s): Hydropower
River: Nam Leuk
Reservoir capacity: 185 m3x106
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
| Slope | Type |
|---|---|
Downstream
| Slope | Type |
|---|---|
Spillway
| Slope | Type |
|---|---|
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
Cementitious material
| Cement (kg/m3) |
|---|
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
Details
Country: Laos
Owner: -
Type: Gravity
Purpose(s): Hydropower
River: Nam Gnong
Reservoir capacity: 49 m3x106
Construction Dates
Start of Project: -/02
Start of RCC: -/02
End of RCC: -/04
End of Project: 01/05
Specifications
Height: 28 metres
Length: 151 metres
Volume of RCC: -
Total volume: -
Construction Methods
Facings
Upstream
| Slope | Type |
|---|---|
Downstream
| Slope | Type |
|---|---|
Spillway
| Slope | Type |
|---|---|
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
Cementitious material
| Cement (kg/m3) |
|---|
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
Details
Country: Laos
Owner: -
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
| Slope | Type |
|---|---|
| Traditional concrete against formwork |
Downstream
| Slope | Type |
|---|---|
| RCC against precast concrete blocks |
Spillway
| Slope | Type |
|---|---|
| Reinforced conventional concrete cast after RCC placement |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 300 | 300 |
Cementitious material
| Cement (kg/m3) |
|---|
| 100 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 100 | Low-lime flyash (ASTM Class F) |
Details
Country: Laos
Owner: -
Type: Gravity
Purpose(s): Hydropower
River: Nam Gnouang
Reservoir capacity: 2450 m3x106
Construction Dates
Start of Project: 10/08
Start of RCC: 10/08
End of RCC: 12/11
End of Project: -/12
Specifications
Height: 65 metres
Length: 480 metres
Volume of RCC: 383 m3x103
Total volume: -
Construction Methods
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | Traditional concrete against formwork |
Downstream
| Slope | Type |
|---|---|
| 0.80 | Traditional concrete against formwork |
Spillway
| Slope | Type |
|---|---|
| 1.00 | Reinforced conventional concrete cast after RCC placement |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 300 | 300 |
Cementitious material
| Cement (kg/m3) |
|---|
| 90 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 100 | Low-lime flyash (ASTM Class F) |
Details
Country: Laos
Owner: -
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
| Slope | Type |
|---|---|
Downstream
| Slope | Type |
|---|---|
Spillway
| Slope | Type |
|---|---|
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
Cementitious material
| Cement (kg/m3) |
|---|
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
Details
Country: Laos
Owner: -
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
| Slope | Type |
|---|---|
| Vertical | RCC against formwork (GEVR/GE-RCC) [stepped face] |
Downstream
| Slope | Type |
|---|---|
| RCC against formwork (GEVR/GE-RCC) [stepped face] |
Spillway
| Slope | Type |
|---|---|
| Reinforced conventional concrete cast after RCC placement |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 300 | 300 |
Cementitious material
| Cement (kg/m3) |
|---|
| 70 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 130 | Low-lime flyash (ASTM Class F) |
Details
Country: Laos
Owner: -
Type: Gravity
Purpose(s): Hydropower
River: Nam Ou
Reservoir capacity: -
Construction Dates
Start of Project: -/11
Start of RCC: -/11
End of RCC: -/15
End of Project: -/16
Specifications
Height: 74 metres
Length: 445 metres
Volume of RCC: -
Total volume: -
Construction Methods
Facings
Upstream
| Slope | Type |
|---|---|
Downstream
| Slope | Type |
|---|---|
Spillway
| Slope | Type |
|---|---|
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
Cementitious material
| Cement (kg/m3) |
|---|
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
Details
Country: Laos
Owner: -
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
| Slope | Type |
|---|---|
| Vertical | RCC against formwork (GEVR/GE-RCC) |
Downstream
| Slope | Type |
|---|---|
| RCC against formwork (GEVR/GE-RCC) [stepped face] |
Spillway
| Slope | Type |
|---|---|
| Reinforced conventional concrete cast after RCC placement |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 300 | 2400 - |
| 3600 |
Cementitious material
| Cement (kg/m3) |
|---|
| 80 |
| 60 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 120 | Low-lime flyash (ASTM Class F) |
| 70 |
Details
Country: Laos
Owner: -
Type: Gravity
Purpose(s): Hydropower
River: Mekong
Reservoir capacity: -
Construction Dates
Start of Project: 03/12
Start of RCC: 03/12
End of RCC: 12/18
End of Project: 10/19
Specifications
Height: 40 metres
Length: 109 metres
Volume of RCC: 82 m3x103
Total volume: 85 m3x103
Construction Methods
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | Traditional concrete against formwork |
Downstream
| Slope | Type |
|---|---|
| Mechanically compacted unformed face of RCC |
Spillway
| Slope | Type |
|---|---|
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 300 | 300 |
Cementitious material
| Cement (kg/m3) |
|---|
| 60 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 100 | Low-lime flyash (ASTM Class F) |
Details
Country: Laos
Owner: -
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
| Slope | Type |
|---|---|
| Vertical |
Downstream
| Slope | Type |
|---|---|
| [stepped face] |
Spillway
| Slope | Type |
|---|---|
| none |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 300 | 300 |
Cementitious material
| Cement (kg/m3) |
|---|
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| Low-lime flyash (ASTM Class F) | |
Details
Country: Laos
Owner: -
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: 02/21
End of Project: 11/21
Specifications
Height: 65 metres
Length: 500 metres
Volume of RCC: 347 m3x103
Total volume: 400 m3x103
Construction Methods
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | RCC against formwork (GEVR/GE-RCC) |
Downstream
| Slope | Type |
|---|---|
| 0.75 | RCC against formwork (GEVR/GE-RCC) [stepped face] |
Spillway
| Slope | Type |
|---|---|
| 0.75 | Reinforced conventional concrete cast after RCC placement |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 300 | 3000 |
Cementitious material
| Cement (kg/m3) |
|---|
| 75 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 113 | Low-lime flyash (ASTM Class F) |
Details
Country: Laos
Owner: -
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: 01/22
End of Project: 07/22
Specifications
Height: 187 metres
Length: 772 metres
Volume of RCC: 4141 m3x103
Total volume: 4341 m3x103
Construction Methods
Facings
Upstream
| Slope | Type |
|---|---|
Downstream
| Slope | Type |
|---|---|
Spillway
| Slope | Type |
|---|---|
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 300 | 3000 |
Cementitious material
| Cement (kg/m3) |
|---|
| 100 |
| 120 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 80 | Low-lime flyash (ASTM Class F) |
| 130 |
Details
Country: Laos
Owner: -
Type: Gravity
Purpose(s): Hydropower
River: Nam Xam
Reservoir capacity: 435 m3x106
Construction Dates
Start of Project: 10/19
Start of RCC: 10/19
End of RCC: 04/23
End of Project: 06/23
Specifications
Height: 122 metres
Length: 321 metres
Volume of RCC: 907 m3x103
Total volume: 987 m3x103
Construction Methods
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | RCC against formwork (GEVR/GE-RCC) |
Downstream
| Slope | Type |
|---|---|
| RCC against formwork (GEVR/GE-RCC) [stepped face] |
Spillway
| Slope | Type |
|---|---|
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
Cementitious material
| Cement (kg/m3) |
|---|
| 60 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 140 | Low-lime flyash (ASTM Class F) |
Details
Country: Laos
Owner: -
Type: Gravity
Purpose(s): Hydropower
River: Nam Ngum
Reservoir capacity: -
Construction Dates
Start of Project: 02/18
Start of RCC: 02/18
End of RCC: -/23
End of Project: -/24
Specifications
Height: 74 metres
Length: 252 metres
Volume of RCC: -
Total volume: -
Construction Methods
Facings
Upstream
| Slope | Type |
|---|---|
Downstream
| Slope | Type |
|---|---|
Spillway
| Slope | Type |
|---|---|
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
Cementitious material
| Cement (kg/m3) |
|---|
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
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