Various architectures

Santa Eulalia del Río, Ibiza

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Congress Hall of Ibiza. First phase

Jesús Ulargui Agurruza y Eduardo Pesquera González, arquitectos

FAD Awards finalist 2009  Architecture
Description Technical file

The Culture Centre of Ibiza’s Congress Hall has a fragmented volumetry opening on to the forest that seeks to recover the symbolic character of the intermediate places commonly found in Ibiza typologies.
Ibiza’s Congress Hall has completed construction of its first phase corresponding to the so-called Culture Centre, which must meet the cultural needs of the city but also adapt to its function as a complementary space to the Congress Hall itself.
The Culture Centre has two volumes housing two polyvalent halls and a third one with a double-height assembly hall seating over four hundred people. The exhibition space operates as the distributor of the suite of halls. A complex of eight halls, devised to turn them into a versatile and transformable space that can serve as both events halls and exhibition rooms. The access floor houses the reception, cloakroom, offices and the restaurant-cafeteria, a space of large dimensions that can be divided into four large dining rooms while establishing an intimate dialogue between the interior and the outdoor areas through ample roof lights that allow natural light in (two into the exhibition room, one into the assembly hall and another one into the courtyard, from where one can catch a panoramic view of the Mediterranean pine forest that surrounds the building).
The formal result of this building (first phase) depends to a large extent on its relationship with the proposal as a whole, and so its justification is linked to the culmination of both constructions. This first phase therefore has a close relationship with the surroundings: its fragmented volumetry opens on to the forest, manifesting its different uses, is dissolved among the shadows of the trees and is inserted into the terrain, between retaining walls and the thick mantle of vegetation that covers it. Three elements emerge from its roof and express the rehearsal and stage spaces. A large volume with a square floor plan around a courtyard houses the rest of the programme: the classrooms, the spaces for seminars and the cafeteria-restaurant.
The walls are formed from white reinforced concrete with grey aggregate from the island, with an exposed finish in the interiors and insulation provided by extruded polystyrene panels, all clad on one side in local limestone masonry on the outside.
The floors are covered in limestone slabs eight centimetres thick, roughened and chipped on site, irregular-shaped and with a concerted binding, while the ceilings are made from concrete slabs in an exposed finish, with edged girders emphasised in the top part to bridge average spans of 18 metres.
Acoustic plinths have been fitted composed of a mixture of pinewood and absorbent rock wool tinted in smoke black, finished in oak wood slats with a trapezoid-shaped section.

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Emplazamiento: Avenida Doctor Camacho, s/n. Santa Eulalia del Río, Ibiza. Autores: Jesús Ulargui Agurruza y Eduardo Pesquera González, arquitectos. Colaboradores: Carlos Domínguez Santana, Daniel Rojas, Luis Sarabia, Margarita Aldeamil, Jorge Jiménez Santos, Juan Enrique Álvarez Cabezuelo, Manuel Cifuentes Antonio, Natalia Domínguez Santana, Cristina Gómez Abecia, Alfonso Peralta Muñoz, Javier Mosquera González, Jorge Sánchez Limón, Judith Sastre Arce, Pep Ramón Marí, arquitectos, Diego San Isidro San Cristóbal, José Antonio Vilches Menéndez, aparejadores, Joaquín Antuña Bernardo, arquitecto estructuras, y JG & Asociados, Ingeniería instalaciones, María José García y Vicente Marí, arquitectos técnicos. Promotor: Ayuntamiento Santa Eulalia del Río. Constructora: Ferrovial. Fotografía: Duccio Malagamba
Jesús Ulargui Agurruza
Eduardo Pesquera González