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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)
MetolongLesothoGovernment of the Kingdom of Lesotho/Metolong AuthorityWSouth Phuthiatsana6409/1108/1311/1404/1583278280314 (3') (3') (3')30030060145(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: Lesotho

Owner: Government of the Kingdom of Lesotho/Metolong Authority

Type: Gravity

Purpose(s): Water Supply

River: South Phuthiatsana

Reservoir capacity: 64 m3x106

Construction Dates

Start of Project: 09/11

Start of RCC: 09/11

End of RCC: 11/14

End of Project: 04/15

Specifications

Height: 83 metres

Length: 278 metres

Volume of RCC: 280 m3x103

Total volume: 314 m3x103

Construction Methods

Facings

Upstream
SlopeType
 RCC against formwork (GEVR/GE-RCC)
Downstream
SlopeType
 RCC against formwork (GEVR/GE-RCC)
Spillway
SlopeType
 RCC against formwork (GEVR/GE-RCC)

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
60
Pozzolan (kg/m3)Pozzolan Type
145Low-lime flyash (ASTM Class F)
  
Metolong completed
Metolong completed

 

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