Parks and gardens

Zaragoza

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Water Park for Expo 2008

Alday Jover arquitectura y paisaje. Iñaki Alday y Margarita Jover, arquitectos

FAD Award 2009  City and landscape
Description Technical file

This is an extensive and ambitious programme for an intervention in a public space that links up the city with the river and is part of the Expo 2008 of Zaragoza. The final result has become a large urban park, a multiple infrastructure that groups together the functions that arise from the way it converses with the territory, with the river and with its urban environment.
“A park inserted in the Ebro river corridor, in the marks of its history, one that comes to terms with its condition, understanding that it exists thanks to its unique location: a meander in a river filled with energy and dominating its own dynamic.
The story imagined for inventing the park is that of projecting ourselves on this original silvery forest, expanding it and installing ourselves there, cutting out clearings, installing meadows, organising the course of the water like the farmers used to do. Our ambition is not to implant a brutal outline on this space but to allow the land to express its qualities: in contrast to architecture, the landscape is not sketched out, it expresses the history of a territory and the relationship that its inhabitants maintain with it.”
These sentences by the authors express this paradigmatic intervention, the almost poetic condition with which they set out to tackle a project that had to create a park on a territorial scale, a large green infrastructure that would facilitate the integration of the city and the countryside while turning into a transition space in permanent dialogue with the river.
The project, with a clear attitude of environmental sensibility, plans to maintain the functionality of the park during the river avenues while maintaining the role of the meander as a lamination space, providing overflow and natural filtering areas through the vegetation, where the river can dissipate energy. The bathing areas, the more developed parts and the auxiliary buildings of the park will be protected from the flooding, while the riverside groves will be covered by the sheet of water of the Ebro.
Four fundamental decisions structure the argument basis of this intervention:
The continuity of the Ebro corridor, giving back to the riverside forest the space lost to agriculture.
The transposition of uses planned for the agricultural plots, mutating their uses and management and using the irrigation ditches as channels.
The resources of the place: the water cycle, that is, the organisation of a living system, a route that purifies the water taken from the river Ebro, the Rabal irrigation ditch and the water table to clean it up for leisure uses. At the end of the route, part of the water is recycled for irrigation and part of it goes back into the river through the infiltration lagoons inserted into the tamarisk groves and which condense a great deal of very rich natural life.
The relationship with the city: the system of the construction. In the space situated next to the city’s edge a set of plazas and constructions have been installed like vessels moored to the edge of a dock. Thus, construction inside the meander is limited to the indispensable minimum, while constructions are implanted in the Ranillas Boulevard to facilitate accessibility and preserving the ecological footprint in the more sensitive areas.

Evaluation of the jury
A park on a territorial scale, a green infrastructure that integrates city and countryside in a play of transitions at different levels of complexity, in the enhancement of identity references and a new dialogue with the river, favouring and boosting a series of behaviours and processes. A large leisure area intercalating public uses and the pedagogy of water and the botanics of the place.



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Localización: Meandro de Ranillas. Zaragoza. Autores: Alday Jover arquitectura y paisaje. Iñaki Alday, Margarita Jover, arquitectos, y L’Atelier de Paisaje. Christine Dalnoky, arquitecta paisajista. Arquitectos responsables de proyecto: Elena Albareda, Marta Serra, Jesús Arcos, Jean Kassedjian, arquitecto paisajista. Colaboradores arquitectura: Aroa Álvarez, Lorena Bello, Juliana Bracchi, Saida Dalmau, Enric Dulsat, Nicole Lacoste, Marilena Lucivero, Arántzazu Lúzarraga, Andreu Meixide, Katerina Mitsoni, Shinji Miyazaki, Carmen Muñoz, Laura Paes, Rubén Páez, Rafael Pleguezuelos, Filippo Poli, Paula Poveda, Nerea Rentería, Catalina Salvà, Nina Walters, Cecilia Vinyolas, documentación. Colaboradores paisaje: Patrick Solvet, Philippe Grandpierre. Hidráulica y tratamiento de agua: Taller de Ingeniería Ambiental, David Solans I.C.C.P. Estructuras: Consultors BIS Arquitectes, David García; Static, Gerardo Rodríguez I.C.C.P., José Luis Lleyda (acueducto prefabricado). Instalaciones: Ingenieros Consultores Grupo JG, Amalia Fuentes I.I. Iluminación: Artec3, Maurici Ginés. Juegos de agua: JML Arquitectura del Agua, Stéphane Llorca. Asesoría construcción y costes: Benedicto Gestió de Proyectes, Fernando Benedicto. Medioambiente (proyecto básico): Jorge Abad. Dirección de obra y project manager: Bovis Lend Lease, Rodolfo Soler, I.C.C.P. Asistencia a la dirección de obra: Iñaki Alday, Elena Albareda, Jesús Arcos. Colaboradores obra: José Medel, Javier Auñón, Javier González, Tatiana Heshusius, Iván Vargas, Raquel Rodríguez, Soraya Yera. Coordinación de proyecto: Expo Agua: Pablo de la Cal, arquitecto. Coordinación de obra: Expo Agua: Miguel Ángel Soria, arquitecto, Carlos Ávila, paisajista, Fernando Iñigo, ingeniero agrónomo. Promotor: Expo Agua Zaragoza 2008. Fotografía: Jordi Bernadó, Sociedad Municipal ZGZ Arroba Desarrollo Expo.
Contact
Iñaki Alday
Barcelona
Sociedad Municipal Arroba Desarrollo Expo
Zaragoza
www.expozaragoza2008.es
Jover, Margarita
Barcelona
www.aldayjover.com
Dalkony, Christine

Photography
Jordi Bernadó
Barcelona
www.jordibernado.com