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Arriarán

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Arriarán completed
Arriarán completed

Particulars

Owner: Diputacion Foral de Gipuzkoa

Designer: INAR, S.A.

Contractor: UTEPRESA (Various Basque companies)

Statistics

Type: Gravity

Purpose(s): Water Supply

Reservoir capacity: 3 m3x106

Height: 58 metres

Length: 206 metres

Volume of RCC: 110 m3x103

Total volume: 113 m3x103

Construction Dates

Start of Project: 10/91 (October 1991)

Start of RCC: 04/92 (April 1992)

End of RCC: 09/92 (September 1992)

End of Project: 02/94 (February 1994)

Country: Spain

River: Arriarán

DMS Co-ordinates: 43˚4'9.56"N, 2˚14'21.62"W

DD Co-ordinates: 43.069321, -2.239339

Facings

Upstream

SlopeType
0.05RCC against formwork

Downstream

SlopeType
0.70RCC against formwork  [stepped face]

Spillway

SlopeType
0.70RCC against formwork  [stepped face]

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
85
Pozzolan (kg/m3)Pozzolan Type
135Low-lime flyash (ASTM Class F)