The Greater Dublin Strategic Drainage Study resulted in the publication of Regional Drainage Policies, in March 2005. WinDes® incorporates a range of features designed specifically to assist compliance with the policies set out in the Greater Dublin Strategic Drainage Study. Volume 2 of the Study deals with new development, a key requirement is the achievement of a "uniform and consistent approach to urban drainage infrastructure, planning, design, construction and operation." Here are some of the highlights: SUDS are mandatory No flooding allowed for the 1 in 30 year return period. Manage the overland flow for the 1 in 100 year return period. Allow for climate change. The following pages cover the core WinDes® modules that provide numerous functions to help you to comply;