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Lac Robertson

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Lac Robertson completed
Lac Robertson completed

Particulars

Owner: Hydro-Quebec

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

SlopeType
VerticalTraditional concrete against formwork

Downstream

SlopeType
0.75Traditional concrete against formwork  [stepped face]

Spillway

SlopeType
separate 

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
85
Pozzolan (kg/m3)Pozzolan Type
85Low-lime flyash (ASTM Class F)