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Bui

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Bui completed
Bui completed

Particulars

Owner: BPA (Bui Power Authority)

Designer: Coyne et Bellier

Contractor: SinoHydro

Statistics

Type: Gravity

Purpose(s): Hydropower / Irrigation

Reservoir capacity: 12570 m3x106

Height: 108 metres

Length: 493 metres

Volume of RCC: 850 m3x103

Total volume: 900 m3x103

Construction Dates

Start of Project: 10/07 (October 2007)

Start of RCC: 12/09 (December 2009)

End of RCC: /12 ( 2012)

End of Project: /14 ( 2014)

Country: Ghana

River: Bui

DMS Co-ordinates: 8˚16'43.13"N, 2˚14'13.49"W

DD Co-ordinates: 8.278647, -2.237081

Facings

Upstream

SlopeType
VerticalRCC against formwork (GEVR/GE-RCC)

Downstream

SlopeType
0.75RCC against formwork (GEVR/GE-RCC)

Spillway

SlopeType
0.75Reinforced conventional concrete cast after RCC placement

Placement

Layers (mm)Lifts (mm)
3003000

Cementitious material

Cement (kg/m3)
45
72
Pozzolan (kg/m3)Pozzolan Type
85Low-lime flyash (ASTM Class F)
88