Before revision: Engineers have to design these systems whilst considering a list of factors that ensure the discharge point is structurally stable to support the receiving structure in the face of a weak spot potentially formed by the discharge point .The velocities and hydraulic efficiencies should be meticulously calculated and can be altered by integrating different combinations of geometries, components such a gradients, cascades and an adequate junction angle sympathetic to the flow of the watercourse to minimise turbulent flow, maximise hydraulic efficiency and ultimately maximise evacuation velocity .
After revision: Engineers have to design these systems whilst considering a list of factors that ensure the discharge point is structurally stable to support the receiving structure in the face of the weakness formed by the discharge point .The velocities and hydraulic efficiencies should be meticulously calculated and can be altered by integrating different combinations of geometries, components such a gradients, cascades and an adequate junction angle sympathetic to the direction of the watercourse to minimise turbulent flow, maximise evacuation velocity and to ultimately maximise hydraulic efficiencydue to the lack of materialwhich is’s flow .