Development of a New Testing Approach for Decentralised Technical Sustainable Drainage Systems
Chair of Urban Water Management, Technical University of Berlin, Gustav-Meyer-Allee 25, 13355 Berlin, Germany
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Academic Editor: Brigitte Helmreich
Water 2021, 13(5), 722; https://doi.org/10.3390/w13050722
Received: 9 February 2021
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Revised: 2 March 2021
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Accepted: 3 March 2021
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Published: 6 March 2021
(This article belongs to the Special Issue Rainwater Management in Urban Areas)
A part of the sustainable drainage systems (SuDS) are used to treat stormwater and must be tested for their hydraulic performance and the removal efficiency to assess serviceability and retention of the pollutants efficacy for in situ use. Current test procedures provide a good basis for laboratory testing SuDS on the test stand. However, the evaluation is not sufficiently representative to compare different SuDS with each other or for in situ use. The individual steps and specifications of an applied test procedure in Germany were considered and evaluation and optimizations for the test substance and sampling methodology of SuDS on the test stand were proposed. A comparison of the particle size distribution of the test substance Millisil W4 currently in use and total suspended solids of real road runoff was made, which showed that the presented test substance of real road-deposited sediments (RDS) provides a better reference for the test conditions and they could be the basis for more representative test methods. A particle size distribution was proposed for this new test substance. Furthermore, two methods of sampling were compared, which showed that a full flow sampling is preferable to a discrete sample. At the same time, it was shown that a separation limit of 20 µm is sufficient for the determination of TSS63.
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Keywords:
sustainable drainage systems; lab-scale testing procedures; road-deposited sediments; particle size distribution; test substance
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MDPI and ACS Style
Neupert, J.W.; Lau, P.; Venghaus, D.; Barjenbruch, M. Development of a New Testing Approach for Decentralised Technical Sustainable Drainage Systems. Water 2021, 13, 722. https://doi.org/10.3390/w13050722
AMA Style
Neupert JW, Lau P, Venghaus D, Barjenbruch M. Development of a New Testing Approach for Decentralised Technical Sustainable Drainage Systems. Water. 2021; 13(5):722. https://doi.org/10.3390/w13050722
Chicago/Turabian StyleNeupert, Johannes Wolfgang, Philipp Lau, Daniel Venghaus, and Matthias Barjenbruch. 2021. "Development of a New Testing Approach for Decentralised Technical Sustainable Drainage Systems" Water 13, no. 5: 722. https://doi.org/10.3390/w13050722
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