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Spring Grove

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Spring Grove completed
Spring Grove completed

Particulars

Owner: TCTA (Trans Caledon Tunnel Authority)

Designer: BKS

Contractor: Group 5

Statistics

Type: Gravity

Purpose(s): Water Supply

Reservoir capacity: 140 m3x106

Height: 39 metres

Length: 300 metres

Volume of RCC: 96 m3x103

Total volume: 114 m3x103

Construction Dates

Start of Project: 03/11 (March 2011)

Start of RCC: 06/12 (June 2012)

End of RCC: 05/13 (May 2013)

End of Project: 05/14 (May 2014)

Country: South Africa

River: Mooi

DMS Co-ordinates: 29˚19'8.32"S, 29˚57'56.52"E

DD Co-ordinates: -29.318977, 29.965700

Facings

Upstream

SlopeType
 RCC against formwork (GEVR/GE-RCC)

Downstream

SlopeType
 RCC against formwork (GEVR/GE-RCC)

Spillway

SlopeType
  

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
50
Pozzolan (kg/m3)Pozzolan Type
110Low-lime flyash (ASTM Class F)