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Property-related stormwater management and industry standard for prefabricated stormwater facilities

Published: 18 December 2020

Stormwater&Sewers researchers from RISE and Luleå University of Technology have participated in a recently finished Vinnova-funded test bed project on stormwater management in close vicinity to built property and industry standards for assessment of prefabricated stormwater facilities.

The physical test bed consists of two stormwater retention facilities at HSB Living Lab in Gothenburg where two types of biofilter / plant beds have been evaluated over a five-year period. Great focus has been on evaluating the facilities' ability to retain stormwater but also their long-term maintenance and operation. The results as well as general experiences and advice are now presented in a report (Sörelius, et al. (2020). Utvärdering av biofilter vid HSB Living Lab – samlade erfarenheter och råd. RISE report.) 

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The project group consisting of researchers and officials from RISE, Luleå University of Technology, Chalmers, Gryaab and the City of Gothenburg has also conducted a scenario study of the total societal benefit of a large-scale implementation of property-related stormwater retention for a larger area in Gothenburg. The study shows that there are many societal benefits with property-related retention in combination with other measures to reduce the risk of flooding and the amount of pollution that reaches our recipients, to increase groundwater recharge, reduce the load on the treatment plant and the need for flooding. (von Scherling, et al. (2020). Simulated effects of sluggish drainage. SVU report 2020-1.)

In close collaboration with technology suppliers, municipalities, authorities and the industry organization Swedish Water, the project group has also developed a proposal for industry standards for evaluating the performance of stormwater facilities. In the long run, there is hope that this will form the basis for a new national standard in the SIS regime. Furthermore, there are plans to establish a new test facility for testing and development of compact, prefabricated stormwater facilities. More info about this can be found here.

For more information about the test bed project, contact the project managers Helene Sörelius (RISE) or Godecke Blecken (LTU).

Godecke-Tobias Blecken

Godecke-Tobias Blecken, Associate Professor

Phone: +46 (0)920 491394
Organisation: Urban Water Engineering, Architecture and Water, Department of Civil, Environmental and Natural Resources Engineering
Helene Sörelius

Helene Sörelius , project manager
Phone
: +46 10 516 63 35
Email: helene.sorelius@ri.se
Organization : RISE, Urban Water Management