Lac Robertson
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Lac Robertson completed
Particulars
Owner: unknown
Designer: Dessau Inc.
Contractor: Les Constructions du Saint-Laurent Lté
Statistics
Type: Gravity
Purpose(s): Hydropower
Reservoir capacity: 587 m3x106
Height: 40 metres
Length: 124 metres
Volume of RCC: 28 m3x103
Total volume: 35 m3x103
Construction Dates
Start of Project: 10/92 (October 1992)
Start of RCC: 06/94 (June 1994)
End of RCC: 08/94 (August 1994)
End of Project: 03/95 (March 1995)
Country: Canada
River: Ha! Ha!
DMS Co-ordinates: 50˚59'55.65"N, 59˚03'43.34"W
DD Co-ordinates: 50.998791, -59.062038
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | Traditional concrete against formwork |
Downstream
| Slope | Type |
|---|---|
| 0.75 | Traditional concrete against formwork [stepped face] |
Spillway
| Slope | Type |
|---|---|
| separate |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 300 | 300 |
Cementitious material
| Cement (kg/m3) |
|---|
| 85 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 85 | Low-lime flyash (ASTM Class F) |
