Open the surge tank valve. Open both the head and the tail (sluice) gates of the half-meter open channel unit. Determine the longitudinal profile along the centerline of the floor of the flume to get ...

The department’s flood monitoring and forecasting office on Friday issued recommendations for dam management, advising that all valves at the Vaal Dam be closed and an additional sluice gate be ...

Two sluice gates at the Vaal dam remain open, while the Department of Water and Sanitation (DWS) has reduced the outflow at Bloemhof dam. On March 6, the DWS opened the first valves at the Vaal ...

The opening of another sluice gate on Friday increased the outflow to approximately 240 cubic metres per second (mᵌ/s). The department said that all six valves that were opened on Monday ...