BEST PRACTICE FOR MODELLING SUSTAINABLE URBAN DRAINAGE SYSTEM STRUCTURES

Sustainable Urban Drainage Systems (SUDS) design has traditionally been simplistic, using basic equations and “rules of thumb” often leading to conservative designs. Now with plenty of information available advising planners about the different types of SUDS structures available it is often left to engineers to build or develop hydraulic models to quantify how these structures will operate for a range of operating conditions. This paper will explore how SUDS design on a range of real life case studies compare using a detailed modelling approach against traditional approaches. The results show the benefits of modelling from a SUDS perspective, where traditionally little modelling has been undertaken.

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