Peñas Blancas
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Peñas Blancas completed
Particulars
Owner: ICE (Instituto Costarricense de Electricidad)
Designer: ICE (Ing. William Porras)
Contractor: ICE (Ing. Irene Zúñiga)
Statistics
Type: Gravity
Purpose(s): Hydropower
Reservoir capacity: 2 m3x106
Height: 48 metres
Length: 211 metres
Volume of RCC: 120 m3x103
Total volume: 170 m3x103
Construction Dates
Start of Project: 04/00 (April 2000)
Start of RCC: 07/01 (July 2001)
End of RCC: 01/02 (January 2002)
End of Project: 07/02 (July 2002)
Country: Costa Rica
River: Peñas Blancas
DMS Co-ordinates: 10˚22'0.20"N, 84˚36'18.91"W
DD Co-ordinates: 10.366722, -84.605255
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | Traditional concrete against formwork |
Downstream
| Slope | Type |
|---|---|
| 0.80 | Traditional concrete against formwork [stepped face] |
Spillway
| Slope | Type |
|---|---|
| 0.80 | Reinforced conventional concrete cast after RCC placement |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 300 | 300 |
Cementitious material
| Cement (kg/m3) |
|---|
| 90 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 35 | Natural pozzolan (ASTM Class N) |
