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Climate change is mandating the large-scale capture and conservation of urban stormwater runoff using Best Management Practices (BMPs). Construction of conventional Detention-Infiltration Galleries requires large plots of open land, which are hard to find in urban settings. The extensive open excavation and massive earth moving activities for these facilities causes significant disruption, while their construction and operation has a huge carbon footprint. Drywells have no detention capability and provid
StormTunnel combines the storage capacity of bored tunnels with infiltration capability of drywells to deliver an entirely new Detention-Infiltration-Retention BMP with no land constraints. It capitalizes on recent advances and innovations in tunneling , which have made it a viable alternative for urban infrastructure. StormTunnel is bored under public streets and parks, below existing utilities, where land availability is no issue. The tunneling eliminates the public impact of surface construction and mi