Urban Swales in Dry Futures

The proposal titled “Urban Swales: Subterranean Reservoir Network for Los Angeles,” has been awarded 2nd place in Dry Futures Speculative category. Storm water enters each swale at the street corners where it is temporarily stored before beginning its gradual descent down through a cascade of phytoremediation terraces.


Text from Archinect: Urban Swales proposes a series of medium-scale urban excavations throughout the City of Los Angeles, micro-reservoirs that, in addition to collecting periodic storm water runoff for remediation, storage, and redistribution to local communities, provides a new typology of shaded “urban caverns” for human as well as nonhuman forms of occupation. As such, Urban Swales not only functions as a distributed form of water management infrastructure, the general ambition of which is intended to relieve the city’s excessive dependence on imported water, but a new form of public space and wildlife refuge as well.

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Located at select intersections throughout the city, these “swales” tap into the street grid’s existing drainage infrastructure, effectively harnessing the urban fabric as an underutilized watershed for the collection and distribution of runoff. The terraces support plant life necessary for the various stages of water filtration, but also provide for human inhabitation through a “programmatic mat” of lightweight grating that serves as a walking surface. Additionally, the terraces encourage biodiversity among an extended ecology of insects, birds, and small animals, activating the swale as a refuge for wildlife.

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Text and Images via Archinect & Dry Futures.

Project text and image credits, Urban Swales: Subterranean Reservoir Network for Los Angeles, by Geofutures @ Rensselaer School of Architecture / Muhammad Ahmad Khan (student); Chris Perry (program director), Ted Ngai, Fleet Hower, Kelly Winn, Lydia Xynogala (program faculty). Acknowledgements: Evan Douglis, Dean of the Rensselaer School of Architecture.

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