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Mangla Emergency Spillway Control Weir

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Mangla Emergency Spillway Control Weir completed
Mangla Emergency Spillway Control Weir completed

Particulars

Owner: Water and Power Development Authority (WAPDA)

Designer: MJV (Mangla Joint Venture) (NESPAK, Binnie Black and Veatch, Harza + others)

Contractor: CWE JV

Statistics

Type: Gravity

Purpose(s): Hydropower / Irrigation

Reservoir capacity: 6500 m3x106

Height: 17 metres

Length: 370 metres

Volume of RCC: 54 m3x103

Total volume: 79 m3x103

Construction Dates

Start of Project: 08/04 (August 2004)

Start of RCC: 12/07 (December 2007)

End of RCC: 11/08 (November 2008)

End of Project: 01/09 (January 2009)

Country: Pakistan

River: Jhelum

DMS Co-ordinates: 33˚09'41.59"N, 73˚38'10.73"E

DD Co-ordinates: 33.161552, 73.636314

Facings

Upstream

SlopeType
VerticalRCC against formwork (GEVR/GE-RCC)
0.30RCC against formwork (GEVR/GE-RCC)  [stepped face]

Downstream

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

Spillway

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

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
60
Pozzolan (kg/m3)Pozzolan Type
120Ground-granulated blast-furnace slag