Smart modelling for future proof rainwater systems: Sirio & Scan software

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1 Smart modelling for future proof rainwater systems: Sirio & Scan software Stormwater Poland March, Gdansk dr. ir. Vincent Wolfs

2 Situation in Belgium Climate change Floods Droughts Urbanisation One of the lowest water availabilities in Europe Pavement: 14,4%

3 Adaptive infrastructure Win-win use of open spaces Water Resilient Cities Smart systems Tools for strategic water planning = Sirio & SCAN

4 Developed at university KU Leuven, Belgium Standard software in Belgium Used by 50+ organisations Simulate 100 years in a second Get unique insights into your design Software to design climate-proof and optimal small-scale rain water systems using long term simulations State-of-the-art simulation engine Advanced technology in a user-friendly interface

5 Applications Sewer designs How much buffering? What is the impact of infiltration? How often will floods/overflows occur? Strategic water planning What is the impact of increasing urbanization? What are optimal source control measures? Rainwater harvesting How much water is available for reuse? What is the optimal design? Climate adaptation What is the impact of climate change? How can we make a city future-proof?

6 Fully automatic How does it work? Step 1 Create your design Translate your design to input parameters Step 2 Step 3 Simulate 100 years of rainfall Simulate long term series including climate change effects Statistical post-processing Direct translation from simulations to actionable insights

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8 Example: new residential zone Infiltration ponds Green roofs and buffers How often does the system overflow? Are all buffers used effectively? How much water (%) will infiltrate? How much will pass to downstream?

9 Interface

10 Interface

11 Results Is the design sustainable? 41% will infiltrate 39% will be reused

12 Results What is the impact to downstream? Is the design How sustainable? much will 41% overflow? will infiltrate 39% will be reused Once every 5 years, an overflow event occurs Check overflow volumes for different return periods

13 Example: new residential zone Are the buffers being used effectively? Maximum for 50% filled! (over 100 years )

14 Try it yourself Get your free copy on: Improve your rainwater designs Experiment with different lay-outs, get unique insights into the dynamics of your system Design faster No more manual calculations! Use a super-fast simulation engine Test what if scenarios

15 Up to catchment scale SCANapproach

16 The future: smart integrated modelling New self-learning modelling approach (Wolfs et al., 2015 & 2017) Ultra-fast models: enabling a vast range of applications Use artificial intelligence: models learn from sensors and can update themselves in real-time Proven: applied in various operational settings in Europe Versatile & open: the models can be included in any operational monitoring system Wolfs V., Meert P., Willems P. (2015). Modular conceptual modelling approach and software for river hydraulic simulations. Environmental Modelling & Software, 71, Wolfs V., Willems P. (2017). Modular conceptual modelling approach and software for sewer hydraulic computations. Water Resources Management, 31 (1),

17 Application 1: Intelligent real-time flood control Can we control these hydraulic structures more effectively to reduce flood damage?

18 Model implementation Highly accurate Floodplain Reservoir Fixed HS Adjustable HS Transfer function Input (RR, GL)

19 Massive flood damage reductions possible without investments 1 million damage reduction

20 Application 2: Intelligent green roof

21 Application 2: Intelligent green roof MITIGATE RAINFALL PEAK FLOWS REDUCE RUNOFF VOLUMES OPTIMIZE WATER AVAILABILITY

22 Upscaling What is the impact on urban floods? And including climate change? What is the impact on city heat stress? What is the optimal outflow regulation strategy? How much water is available for local irrigation? How well does the roof vegetation survive in dry periods? What is the potential of real-time control? (e.g. in function forecasted precipitation, monitored levels in urban drainage system, )

23 Contact