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Stagecoach

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Stagecoach completed
Stagecoach completed

Particulars

Owner: Upper Yampa Water Conservancy District, Steamboat Springs, Colorado

Designer: Woodward Clyde Consultants

Contractor: ASI-RCC Inc.

Statistics

Type: Gravity

Purpose(s): Hydropower / Irrigation / Recreation / Water Supply

Reservoir capacity: 42 m3x106

Height: 46 metres

Length: 116 metres

Volume of RCC: 34 m3x103

Total volume: 39 m3x103

Construction Dates

Start of Project: 08/87 (August 1987)

Start of RCC: 06/88 (June 1988)

End of RCC: 07/88 (July 1988)

End of Project: 11/88 (November 1988)

Country: USA

River: Yampa

DMS Co-ordinates: 40˚17'7.35"N, 106˚49'54.98"W

DD Co-ordinates: 40.285374, -106.831940

Facings

Upstream

SlopeType
VerticalTraditional concrete against formwork

Downstream

SlopeType
0.80Traditional concrete against formwork  [stepped face]

Spillway

SlopeType
0.80Traditional concrete against formwork  [stepped face]

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
71
Pozzolan (kg/m3)Pozzolan Type
71Low-lime flyash (ASTM Class F)