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Neckartal

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Neckartal completed
Neckartal completed

Particulars

Owner: Ministry of Agriculture, Water and Forestry

Designer: Knight Piesold

Contractor: Salini - Impregilo SpA

Statistics

Type: Gravity

Purpose(s): Irrigation

Reservoir capacity: 857 m3x106

Height: 83 metres

Length: 520 metres

Volume of RCC: 867 m3x103

Total volume: 963 m3x103

Construction Dates

Start of Project: 09/13 (September 2013)

Start of RCC: 11/15 (November 2015)

End of RCC: 11/17 (November 2017)

End of Project: 05/18 (May 2018)

Country: Namibia

River: Fish

DMS Co-ordinates: 26˚42'11.89"S, 17˚47'19.45"E

DD Co-ordinates: -26.703302, 17.788736

Facings

Upstream

SlopeType
0.20RCC against formwork (GEVR/GE-RCC)

Downstream

SlopeType
0.70RCC against formwork (GEVR/GE-RCC)  [stepped face]

Spillway

SlopeType
0.70Reinforced conventional concrete cast after RCC placement

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
65
65
Pozzolan (kg/m3)Pozzolan Type
120Low-lime flyash (ASTM Class F)
45