Balambano
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Balambano completed
Particulars
Owner: unknown
Designer: Pacific Rim Power (J.V. of SNC-Lavalin Inc. and Klohn-Crippen Consultants Ltd.)
Contractor: Theiss / Astaldi S.p.A. Joint Operation
Statistics
Type: Gravity
Purpose(s): Hydropower
Reservoir capacity: 31 m3x106
Height: 94 metres
Length: 352 metres
Volume of RCC: 528 m3x103
Total volume: 534 m3x103
Construction Dates
Start of Project: 09/96 (September 1996)
Start of RCC: 04/98 (April 1998)
End of RCC: 06/99 (June 1999)
End of Project: 09/99 (September 1999)
Country: Indonesia
River: Larona
DMS Co-ordinates: 2˚38'38.88"S, 121˚13'13.64"E
DD Co-ordinates: -2.644133, 121.220459
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | Traditional concrete against formwork with external geomembrane |
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) |
|---|---|
| 420 | 420 |
Cementitious material
| Cement (kg/m3) |
|---|
| 81 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 54 | Low-lime flyash (ASTM Class F) |
