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Vaca

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Vaca completed
Vaca completed

Particulars

Owner: Belize Electric Company Ltd (BECOL) and A. Fortis Company, Canada

Designer: Gilbert-Green & Associates Inc., Canada

Contractor: SinoHydro Corporation (11th Construction Bureau)

Statistics

Type: Gravity

Purpose(s): Hydropower

Reservoir capacity: 12 m3x106

Height: 70 metres

Length: 245 metres

Volume of RCC: 200 m3x103

Total volume: 220 m3x103

Construction Dates

Start of Project: 02/07 (February 2007)

Start of RCC: 02/08 (February 2008)

End of RCC: 10/09 (October 2009)

End of Project: 12/11 (December 2011)

Country: Belize

River: Marcal

DMS Co-ordinates: 17˚01'7.81"N, 89˚03'24.62"W

DD Co-ordinates: 17.018835, -89.056839

Facings

Upstream

SlopeType
0.20Traditional concrete against formwork

Downstream

SlopeType
0.75RCC against formwork (GEVR/GE-RCC)  [stepped face]

Spillway

SlopeType
0.75Reinforced conventional concrete cast after RCC placement

Placement

Layers (mm)Lifts (mm)
3003600

Cementitious material

Cement (kg/m3)
94
Pozzolan (kg/m3)Pozzolan Type
31Low-lime flyash (ASTM Class F)