KNOWLEDGE BASECase Studies on Surface Water Treatment Projects incl. Attenuation, Infiltration, Interceptors, Vortex Separators and Outlet Flow Controls Case Study on the Installation of Drainmax Surface Water Infiltration Tank in Sports Club Case Study on the Installation of a Bespoke Drainmax Infiltration Tank in Housing Estate Case Study on the Installation of Drainmax Surface Water Infiltration Tank in New Housing Estate Case Study on the Installation of a Value Engineered Drainmax Surface Water Infiltration Tank