Dams & Hydro

DWA: Dams Rehabilitation

South Africa

The Department of Water Affairs undertook necessary rehabilitation and betterment works on a number of dams for which safety concerns existed. The Goba-ARQ Joint Venture was appointed for the Group 1 dams, which includes Nsami Dam at Guyani, Modjadji Dam near Duiwelskloof, Molepo Dam near Haenertsburg, Chuniespoort Dam near Polokwane and Bospoort Dam near Rustenburg.

ARQ’s involvement on the design phase of the project included the conceptual design for all rehabilitation and betterments works, leadership of the design team for all works and the full detailed design for Molepo Dam, Bospoort Dam and Chuniespoort Dam, the first two being provided with a fourfold increase in spillway capacity.  During construction, ARQ has been responsible for assistance on all dams and full supervision at Bospoort Dam, which has filled and spilled, with the combined new spillways operating very successfully.


Project details
LOCATION Limpopo Province View in Google Maps
DURATION April 2007 to 2011
SIZE 15 – 30 m Earthfill – 9 dams
SIZE
VOLUME