Our approach to the project does not attempt to strictly solve the problems inherent to the program requirements: instead we tried to take advantage of the limitations imposed by the program in order to propose a building that through its form and organization allows the unique nature of the project to become evident. Working within the restrictions and relations imposed by a vertical scheme, our proposal generates variety in the interaction with animals and the rich and ludic experience for the visitor that is characteristic of a zoo.
To achieve this, the building effectively functions as two buildings:
1. (infra)structural wall containing all required technical, service and circulation spaces: An efficient, machine-like building, providing both structural and functional support to the animal exhibits. The tower is angled south fifteen degrees off the vertical axis to optimize daylight on the north façade and visually connect the ground plane of the reserve to the building.
2. Exhibition trays: cantilevering from the main structure, each animal is contained within a patch of ground, the area of which is given by the program. Each tray is penetrated at various levels by viewing platforms for visitors to engage with animals from different vantage points. The exhibits are enclosed by conventional chain link fence, a ubiquitous and inexpensive construction material that can be used in various layers or densities to produce the level of safety and isolation required by each species. The aviary is the largest and lightest exhibition area, a simple net on top of the building enclosing a portion of air above the reserve, while the auditorium, café, and other public areas occupy the bottom floors.
Between both buildings a “vertical ground” –a wall of grass- is incorporated as a construction material on the north façade.
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