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De Hoop

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De Hoop completed
De Hoop completed

Particulars

Owner: Department of Water & Sanitation

Designer: Department of Water Affairs and Forestry

Contractor: Department of Water Affairs and Forestry Construction West

Statistics

Type: Gravity

Purpose(s): Water Supply

Reservoir capacity: 347 m3x106

Height: 85 metres

Length: 1015 metres

Volume of RCC: 769 m3x103

Total volume: 1012 m3x103

Construction Dates

Start of Project: 07/07 (July 2007)

Start of RCC: 07/09 (July 2009)

End of RCC: 10/13 (October 2013)

End of Project: 03/14 (March 2014)

Country: South Africa

River: Steelpoort

DMS Co-ordinates: 24˚57'27.37"S, 29˚57'25.81"E

DD Co-ordinates: -24.957603, 29.957169

Facings

Upstream

SlopeType
VerticalRCC against formwork (GEVR/GE-RCC)

Downstream

SlopeType
 RCC against formwork (GEVR/GE-RCC)  [stepped face]

Spillway

SlopeType
 RCC against formwork (GEVR/GE-RCC)  [stepped face]

Placement

Layers (mm)Lifts (mm)
3001200

Cementitious material

Cement (kg/m3)
62
Pozzolan (kg/m3)Pozzolan Type
145Low-lime flyash (ASTM Class F)