A stormwater treatment train is the combination of sequential stormwater management responses that collectively deliver stormwater quality and quantity objectives for a site. The treatment train is based on a logical sequence of stormwater flowing through a catchment, beginning with stormwater runoff controls at-source, followed by capture and treatment of overland flows, and finally the enhancement of receiving environments to enhance their stormwater management function.
The concept design takes the development form and adds sufficient detail to ensure the design is feasible and to allow an initial cost estimate to be prepared. The concept design should provide a sufficient level of detail for plan change applications if required.
Note: Technical design guide documents provide detailed advice for design and construction of devices.