34 ROUND TABLE REPORT


Exploring solutions for stormwater management


Our second round table event, held in London in October, saw housebuilders, landscape architects, engineers and product suppliers come together to discuss the imminent legal requirement for sustainable drainage in developments, and bust some myths in the process.


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Sue Illman, Illman Young Chris Carr, FMB national president Steve Wilson, Environmental Protection Group Matt Clutton, Cameron Homes Martin Shaw, Meadfl eet Ruth Clarke, Innovyze (sponsors) Jamie Gledhill, Brett Landscaping (sponsors) Charlotte Markey, Polypipe Civils and Green Urbanisation (sponsors)


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ur second Building Insights LIVE round table event, held at the Building Centre in London, focused on solutions for the soon-to- be-statutory requirement to provide sustainable management of stormwater on projects, essentially by making them permeable. The key goal is to mitigate the effects of development on drainage as we experience more and more extreme weather due to climate change, but also to ensure that the water running off those sites is better quality. However, a further aor benefi t is the otential for reenin our future housing developments using natural features, and thereby creating new standards of amenity for residents. The round table, sponsored by Innovyze, Brett Landscaping and Polypipe Civils & Green Urbanisation, was a uniue oortunity for secifi ers to exchange views on how to deliver SuDS (Sustainable Urban Drainage Systems) with key suppliers in an informal setting. It produced a range of constructive pointers, as well as a set of recommendations for the industry (captured at the end of this report). SuDS is the principal, and established method for achieving such schemes, and there are a range of approaches to achieving it. However, time is of the essence, as with Schedule 3 of the Flood and Water Management Act 2010 about to fi nally be ileented, housebuilders and developers are confronting a legally binding SuDS requirement in all projects. While they buy into the concepts and the


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solutions (whether natural, or engineered, or most likely a combination), the practicalities of doing SuDS on many sites are going to be tricky for many. That’s why our round table event was so timely; as well as bringing together SuDS experts, housebuilders, and product suppliers to exchange ideas and real-life knowledge from practice on the ground, it was also staged just before the new legal requirement came in. Some of the highlights presented here and on our websites (including a new site collating all of our industry insight at insights. netmagmedia.co.uk/round-tables) are certain to be useful to housebuilders as they solve practical issues from how to combine SuDS with public space, to how steep is safe, when it comes to natural features like swales within schemes. The changes that can be brought about in developments via stormwater management using thoughtful SuDS approaches is an exciting evolution of how future housing developments could look. Far from the tarmac and car-dominated sprawl of the past, driven by the practical need to deal with stormwater but also aiding biodiversity goals, SuDS can lead to natural features in the heart of developments that ultimately provide a level of unprecedented ‘greening.’ While there are major challenges, as explored by our round table, there are also many reasons to be enthusiastic in pursuing these new approaches. We were fortunate to be joined by a highly engaged group of people to discuss this important but specialist area – landscape architect Sue Illman is well known in the industry as a SuDS champion, and for engaging with construction sectors in her role as the Construction Industry Council’s Champion for Flood Mitigation and Resilience. She was also co-author of CIRIA’s SuDS Manual which is regarded as the ‘bible’ for designing such schemes. The Environmental Protection Group  is a fi r of eoenvironental


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