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Bocage Urbain Adopted by Solideo in Saint-Ouen-sur-Seine for Paris 2024 Olympics Infrastructure

Implementation Date

May 1, 2024

By

Solideo Olympic Games Paris 2024

City

Saint-Ouen-sur-Seine

story image

Description

SOLIDEO is the public organization responsible for funding, overseeing, and delivering the infrastructure required for the Paris 2024 Olympic and Paralympic Games, including new construction and redevelopment projects. Each facility is designed with a long-term vision, ensuring its post-Games use as public spaces, housing, or office buildings. In collaboration with Vertuo, SOLIDEO implemented the bocage urbain solution, an innovative road designed to combat heatwaves and droughts.
This forward-thinking road system captures rainwater during the fall and winter, filters it, and gradually irrigates plants throughout the year. As a result, the solution achieved remarkable outcomes: creating temperatures 7°C cooler than surrounding plantings, reducing maintenance costs by 80%, and eliminating the need for water consumption—even during severe 90-day dry periods.

Impact & Result

Achieves zero drinking water usage throughout the year, saving an impressive 3,000L per m² annually, while significantly reducing the area's temperature by 7°C, contributing to a more sustainable and comfortable environment.

Solution Spotlight

Bocage Urbain is an ecosystemic, efficient and economic solution creating synergy between water, plants and human within the city. Whereas rainwater is usually seen as waste, this urban grove proposes an innovative management of rainwater by plants ; complementary to the existing solutions in the urban landscape: green roofs, valley gutters, retention basins, wells... The Bocage Urbain storage structure takes the form of prefabricated cubes combining a rainwater retention basin and a tank of plants specifically designed to maximize evapotranspiration. Its structures are installed: on the linear tracks, buried in the ground, to collect runoff water or at the foot of a building connected to the gutters to collect roof water. As the grove storage facilities are modular, they connect with each other in order to build a planted hydraulic network element replacing or supplementing mains drainage of cities. Also, urban grove answers to 5 fundamental issues of the city, it: reduces probability of flooding during heavy rains ; fights against urban heat islands ; helps vegetalization of the public space without the watering constraint ; improves urban air quality ; enhance biodiversity development in the city through the creation of green frames. Bocage Urbain also avoids water treatment systems (and maintenance) in urban projects and let the nature manage constraints.

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