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Changuinola 1

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Changuinola 1 completed
Changuinola 1 completed

Particulars

Owner: AES Changuinola

Designer: Vattenfall & MD&A

Contractor: CCWJV (JV of Pihl and son, M.T. Hojgaard) & Alstrom

Statistics

Type: Arch-Gravity

Purpose(s): Hydropower

Reservoir capacity: 347 m3x106

Height: 105 metres

Length: 595 metres

Volume of RCC: 884 m3x103

Total volume: 910 m3x103

Construction Dates

Start of Project: 04/07 (April 2007)

Start of RCC: 12/09 (December 2009)

End of RCC: 04/11 (April 2011)

End of Project: 10/11 (October 2011)

Country: Panama

River: Changuinola

DMS Co-ordinates: 9˚14'11.63"N, 82˚29'41.13"W

DD Co-ordinates: 9.236564, -82.494759

Facings

Upstream

SlopeType
VerticalRCC against formwork (GEVR/GE-RCC)

Downstream

SlopeType
0.50RCC against formwork (GEVR/GE-RCC)  [stepped face]
0.70RCC against formwork (GEVR/GE-RCC)  [stepped face]

Spillway

SlopeType
0.50Reinforced conventional concrete cast after RCC placement

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
70
65
Pozzolan (kg/m3)Pozzolan Type
145Low-lime flyash (ASTM Class F)
150