Figure 4.
This diagram depicts a hydraulic system layout with various components such as a valve chamber, connection culvert, drop shaft, passive ventilation, vortex intake, vortex tube, de aeration system, connection tunnel, and main tunnel. It also includes an interception chamber and tunnel isolation features, clearly showcasing the flow of water through the system via arrows indicating the directions. Certain elements, like the flap valve and the river flap valves, are also highlighted to describe their positions within the configuration.Typical components of CSO interception arrangement