The catchment area site occupies a key position that is close to Hann forest park and zoo, Hann beach to the east, and the Niayes and Pattes d’Oie districts to the northeast.
The motorway of course acts as an obstacle between these open areas of the city but it also produces residual spaces along its edge that are available for development and thus provide an opportunity to connect these areas.
This green infrastructure is also essential because it overlaps with the blue infrastructure; Dakar’s complex hydrographic network plays an essential role in the storage of rainwater, before draining it off to the sea.
These residual spaces are actually vestiges of Dakar’s Niayes territory, which continues to shrink under urban pressure, to the detriment of the local environment. Indeed, the spectacular floods of August 2012 acted as a stark reminder of how the disappearance of rainwater retention in urban areas could spark violent and dramatic situations.
In addition to this problem, which leaves the local population exposed to risk, vegetation on the Dakar peninsula has virtually disappeared, again under the effect of urban pressure, which is causing the city to suffocate in an already highly strained climatic context (heat, wind, sand, dust). The lack of shade, the sand and dust that fill the streets, and the development of respiratory diseases (including asthma) exacerbated by air pollution all clearly point to this lack of green spaces.
The objective of the present mission for the development of the Grand Yoff catchment area is to provide preliminary designs for a project capable of fitting into the overall vision of an environmental and urban master plan for Dakar.
With this in mind, the mission takes into account the potential links that this new green space for the city could forge with the broader territory. At the project level, it also applies the various principles of the environmental and urban master plan while responding to its various objectives:
– Minimisation of exposure to flood risk,
– Sanitation in order to improve public health,
– Enhancement of the neighbourhood,
– Development of social interaction through a friendly public place designed for play, walking and meeting people