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Willow Creek

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Willow Creek completed
Willow Creek completed

Particulars

Owner: US Army Corps of Engineers

Designer: USACE, Walla Walla District

Contractor: Eucon Corportation

Statistics

Type: Gravity

Purpose(s): Flood Control / Recreation

Reservoir capacity: 17 m3x106

Height: 52 metres

Length: 543 metres

Volume of RCC: 331 m3x103

Total volume: 331 m3x103

Construction Dates

Start of Project: 11/81 (November 1981)

Start of RCC: 04/82 (April 1982)

End of RCC: 09/82 (September 1982)

End of Project: 04/83 (April 1983)

Country: USA

River: Willow Creek

DMS Co-ordinates: 45˚20'50.01"N, 119˚32'38.75"W

DD Co-ordinates: 45.347225, -119.544098

Facings

Upstream

SlopeType
VerticalRCC against precast concrete panels

Downstream

SlopeType
0.80Unformed face of RCC

Spillway

SlopeType
0.80Unformed face of RCC

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
47
Pozzolan (kg/m3)Pozzolan Type
19Low-lime flyash (ASTM Class F)