Dam Search Results

There are 14 dams matching your search
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Country: Laos

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	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.

Nam Leuk spillway

Full Dam Information

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

Nam Mang 3

Full Dam Information

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

Nakai, part of Nam Theun 2 HPP

Full Dam Information

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)

Nakai, part of Nam Theun 2 HPP completed

Nam Gnouang (Theun Hinboun Expansion)

Full Dam Information

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)

Nam Gnouang (Theun Hinboun Expansion) completed

Nam Ngum 5

Full Dam Information

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

Xekaman 1

Full Dam Information

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)

Nam Ou 5

Full Dam Information

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

Nam Ngiep I

Full Dam Information

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

Xayaburi (Left bank closure section)

Full Dam Information

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)

Xayaburi (Left bank closure section) completed

Saddle Dam D (Xe-Pian Xe-Namnoy)

Full Dam Information

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)

Saddle Dam D (Xe-Pian Xe-Namnoy) on Google Earth

Nam Kong 3

Full Dam Information

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)

Nam Theun 1

Full Dam Information

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

Nam Sam 3

Full Dam Information

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)

Nam Ngum 4

Full Dam Information

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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