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San Vicente Dam Raise

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San Vicente Dam Raise completed
San Vicente Dam Raise completed

Particulars

Owner: San Diego County Water Authority and City of San Diego

Designer: MWH

Contractor: Shimmich/Obayashi JV

Statistics

Type: Gravity

Purpose(s): Water Supply

Reservoir capacity: 299 m3x106

Height: 103 metres

Length: 474 metres

Volume of RCC: 459 m3x103

Total volume: 465 m3x103

Construction Dates

Start of Project: 06/09 (June 2009)

Start of RCC: 08/11 (August 2011)

End of RCC: 09/12 (September 2012)

End of Project: 09/14 (September 2014)

Country: USA

River: San Diego

DMS Co-ordinates: 32˚54'44.68"N, 116˚55'30.82"W

DD Co-ordinates: 32.912411, -116.925224

Facings

Upstream

SlopeType
VerticalRCC against formwork with external geomembrane (GEVR/GE-RCC)

Downstream

SlopeType
0.78RCC against formwork (GEVR/GE-RCC)  [stepped face]

Spillway

SlopeType
0.78RCC against formwork (GEVR/GE-RCC)  [stepped face]

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
86
Pozzolan (kg/m3)Pozzolan Type
127Low-lime flyash (ASTM Class F)