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BUILDING |
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Piscine Tournesol
Tournesol Swimmingpool |
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DESIGNER |
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CONTEXT |
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| Relationship with the location |
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DESCRIPTION |
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 Within the framework of a program entitled '1,000 Pools', launched back in 1969 by the Ministry of Youth, Sports and Recreation, the architect Bernard Schoeller designed the 'Tournesol' (or 'Sunflower') pool, a structure which opens its 'petals' when the sun comes out.
 The project, which was quite ahead of its time, was carried out in 183 French towns from the mid-70s to the early 1980s. One of the pools is located in Lingolsheim, in the heart of a residential zone.
An architecture contest was organized to see who could come up with the best plan for renovating the 'Tournesol' pools.
The architecture firm Urbane Kultur, founded 15 years ago by Dominique Cornaert and Philippe Dahan, won the contest with flying colors thanks to their ad hoc proposal. Their solid expertise in the field of public facilities construction lent itself particularly well to the success of the project. The firm was especially eager to rise to the challenge represented by the restoration and extension of 'Tournesol' pools, having to take into consideration elements that were already in place, notably the futuristic design from the 1970s.
Among the most important elements included in the mission statement were the installation of spacious and open unisex changing rooms, the restoration of the interior and exterior of the domed ceiling, and the thermal optimization of the structure.
It was the domed ceiling that made the whole operation particularly complex. The main issue became how to successfully extend the building without altering its unique, space-age look in order to preserve its intrinsic qualities.
 The basic structure was left unaltered. The dome was renovated, energy-saving improvements were put in place and the mechanism allowing the structure to slide open 120 degrees was maintained. Inside, the changing rooms were demolished allowing enough space for three separate pools. The extension that now houses the entrance hall, changing rooms, offices and technical facilities is independent of the 'Tournesol' pool area.
Like a boomerang, it envelopes the dome without touching it. The patio between the two structures is a landscaped area that plays with light and transparency.
Swimmers get the impression they are out in the open air in this bright and airy space where the innovative architectural concept invites the outdoors in. |
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MATERIALS |
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natural acrylic stone  The architecture firm Urbane Kultur naturally chose Hi-Macs for their groundbreaking refurbishment plan, using "Solid Surface" for the interior of the domed ceiling and fittings. The material has given the pool a new visual identity while preserving the architectural and aesthetic codes of the original structure.
 The flexibility of Hi-Macs has allowed architects to be as demanding as they like. Hugging the curves of the UFO-like dome, the 'Solid Surface' was thermoformed into a double curvature to merge with the existing structure and clad the arched forms.
The surface of the dome is made up of 48 units, measuring about 150cm by 200cm, that form the lining of the lower part of the structure. A canyon of light has been created to light up the canvas stretched above the expanse of new generation acrylic stone. The surface of the dome is adorned with a smooth white lining punctuated with portholes, also made using resin.
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LOCATION |
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MAP |
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TYPOLOGY |
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ARCHITECTURE | Sports buildings
Gyms and swimming pools
Operations on existing buildings
Renovation, rehabilitation and restructuring
Extension, superelevation
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CHRONOLOGY |
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Project |
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2011 - 2013
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Realisation |
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2013 - 2014 |
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BIBILIOGRAPHIC REFERENCES |
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"Sports", L'Architecture d'Aujourd'hui 410, décembre/december 2015, pp. 1-2, 36-123, 142-149
Alice Dubet, "Piscine Tournesol / Tournesol Swimming Pool. Lingolsheim, 2014", L'Architecture d'Aujourd'hui 410, décembre/december 2015, pp. 59-61 (1-2, 36-123, 142-149) |
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Ausias Gonzalez, "Dossier Cubiertas móviles / Dossier: Mobile Roofs", Arquitectura Viva 177, septiembre/september 2015 [Art Factories], "Técnica / Construcción / Technique / Construction" pp. 62-75
"Urbane Kultur. Piscina, Lingolsheim / Urbane Kultur. Swimming Pool, Lingolsheim", Arquitectura Viva 177, septiembre/september 2015 [Art Factories], "Técnica / Construcción / Technique / Construction" pp. 70-73 (62-75) |
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Tom Wilkinson, "Swimming pools", Architectural Review 1422, august 2015, pp. 28-35
"Piscines Tournesol, Lingolsheim, France", Architectural Review 1422, august 2015, p. 32 (28-35) |
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| Benedicte Chaljub, "Piscines Tournesol / The Tournesol swimming pools", Moniteur Architecture AMC 204, mars/march 2011, pp. 88-94 |
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| Jean-Pierre Bouillette, "The Tournesol swimming pool. Bernard Schoeller", Acier Stahl Steel 4/1975, april 1975, pp. 133-136 |
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EXHIBITIONS |
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| La piscine Tournesol, Paris (France), Cité de l'architecture & du patrimoine, Galerie d'architecture moderne et contemporaine, 15 june / 12 december 2022 |
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CLIENT |
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AMOUNT |
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DIMENSIONAL
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| Surface |
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STRUCTURES |
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LANDSCAPE DESIGN |
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STAFF |
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| Original design |
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| Design team |
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| Philippe Dahan, Dominique Cornaert, Piotr Janski, Amaury Sigwarth |
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| Hydraulic engineer |
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| Construction supervision |
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| Acoustical consultant |
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| Quantity surveyor |
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CREDITS |
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Photos © Jean-Baptiste Dorner, Philippe Schalk - Communauté Urbaine de Strasbourg – Urbane Kultur, Patrick Christmann
Drawings © Urbane Kultur
Text edited by Hi-Macs
Courtesy of Hi-Macs
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