Stormwater Symposium

Oral

394662 - Effect of visibility on maintenance investment and consequent performance of Urban Stormwater Control Measures

Wednesday, June 6
2:00 PM - 3:30 PM
Location: Mirage Room
Co-Authors: Francois Birgand, D S Weaver Labs 148 – NC State University; William F. Hunt, Weaver Administration Bldg 210A – North Carolina State University

Studies on urban stormwater control meaures are mainly focused on hydrological and biological factors affecting water quality performance. These stormwater control measures are mostly located in ecosystems with high human intensity, but fewer studies have studied the role of human interaction on performance. This study focuses on the role of stormwater control measures’ visibility on the quality of maintenance it receives, by evaluating its hydrologic performance. The hypothesis is that stormwater control measures with high public visibility receive better maintenance and have commensurately high performance, while those less visible tend to be less maintained and function more poorly. For this study, 30 wetlands and bioretention cells were randomly selected on the campus of North Carolina State University. Random selection was done within two groups of “high profile” and “low profile” stormwater control meaures, with an equal number of stormwater control meaures from each group. High profile stormwater control measures receive more attention. The visibility score of each stormwater control measure is studied through surveys. The quality (frequency, tasks) of maintenance is based on the data logged by maintenance personnel on campus. Performance of each stormwater control measure is evaluated using a variety of techniques used to assess hydrologic function, many of which are based on those by Wardynski and Hunt (2012) and Asleson et al (2009). This study emphasizes the importance of social values of stormwater control meaures and how people’s values affect the performance of these stormwater control measures. Findings from this study can further inform how to best locate stormwater control measures such that they are a seamless part of the surrounding landscape.

Sheida Moin

Graduate research Assistant
North Carolina State University

Sheida Moin is a PhD student in the Department of Biological Agricultural Engineering at North Carolina State University. Sheida received a BS in Textile engineering from Amirkabir University of Technology (Polytechnic of Tehran) and a Master’s in Landscape Architecture from Clemson University. Her work experience in consulting firm has led her to learn further about management of water resources and social consequences of proper management. Her research interest lies between engineering and social design of stormwater control measures.

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