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Environmental and economic assessment of a pilot stormwater infiltration system for flood prevention in Brazil

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10.1016/j.ecoleng.2015.09.010
 
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hdl:2117/77210

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Petit Boix, Anna
Sevigné-Itoiz, Eva
Rojas-Gutierrez, L. A.
Paceli Barbassa, Ademir
Josa Garcia-Tornel, AlejandroMés informacióMés informació
Rieradevall, J.
Gabarrell, Xavier
Document typeArticle
Defense date2015-11
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
Green and grey stormwater management infrastructures, such as the filter, swale and infiltration trench (FST), can be used to prevent flooding events. The aim of this paper was to determine the environmental and economic impacts of a pilot FST that was built in São Carlos (Brazil) using Life Cycle Assessment (LCA) and Life Cycle Costing (LCC). As a result, the components with the greatest contributions to the total impacts of the FST were the infiltration trench and the grass cover. The system has a carbon footprint of 0.13 kg CO2 eq./m3 of infiltrated stormwater and an eco-efficiency ratio of 0.35 kg CO2 eq./USD. Moreover, the FST prevented up to 95% of the runoff in the area. Compared to a grey infrastructure, this system is a good solution with respect to PVC stormwater pipes, which require a long pipe length (1070 m) and have a shorter lifespan. In contrast, concrete pipes are a better solution, and their impacts are similar to those of the FST. Finally, a sensitivity analysis was conducted to assess the changes in the impacts with the varying lifespan of the system components. Thus, the proper management of the FST can reduce the economic and environmental impacts of the system by increasing its durability.
Location
1: UFSCar, São Carlo, SP, 13571, Brasil
CitationPetit-Boix, A., Sevigné-Itoiz, E., Rojas-Gutierrez1, L., Paceli, A., Josa, A., Rieradevall, J., Gabarrell, X. Environmental and economic assessment of a pilot stormwater infiltration system for flood prevention in Brazil. "Ecological engineering", Novembre 2015, vol. 84, p. 194-201. 
URIhttp://hdl.handle.net/2117/77210
DOI10.1016/j.ecoleng.2015.09.010
ISSN0925-8574
Publisher versionhttp://www.sciencedirect.com/science/article/pii/S0925857415301427
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  • MECMAT - Mecànica de Materials - Articles de revista [71]
  • Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica (fins octubre 2015) - Articles de revista [239]
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