![Tournesol swimming pool](https://aasarchitecture.com/wp-content/uploads/Extension-of-the-Tournesol-swimming-pool-by-Urbane-Kultur-01-474x316.jpg)
183 “Tournesol” swimming pools were built in France during the 1970s by architect Bernard Schoeller.
![Tournesol swimming pool](https://aasarchitecture.com/wp-content/uploads/Extension-of-the-Tournesol-swimming-pool-by-Urbane-Kultur-02-474x257.jpg)
These are rational objects, which offer amazing spatial qualities, natural light, high quality indoor / outdoor relationship with large sliding doors and a certain elegance in structural design.
![Tournesol swimming pool](https://aasarchitecture.com/wp-content/uploads/Extension-of-the-Tournesol-swimming-pool-by-Urbane-Kultur-03-474x316.jpg)
The dome which is a self sufficient form makes any extension difficult. How to increase the capacity of such an object without altering the image?
![Tournesol swimming pool](https://aasarchitecture.com/wp-content/uploads/Extension-of-the-Tournesol-swimming-pool-by-Urbane-Kultur-04-474x316.jpg)
The project preserves the simplicity the original pool: the extensions built over time are demolished, the area liberated by moving the changing rooms allow three stainless steel basins to take place under the dome.
![Tournesol swimming pool](https://aasarchitecture.com/wp-content/uploads/Extension-of-the-Tournesol-swimming-pool-by-Urbane-Kultur-05-474x316.jpg)
The extension building houses the entrance hall, changing rooms, offices and technical rooms. It is independent of the pool hall, it is a “boomerang” that wraps the dome without touching it, without deforming it.
![Tournesol swimming pool](https://aasarchitecture.com/wp-content/uploads/Extension-of-the-Tournesol-swimming-pool-by-Urbane-Kultur-06-474x316.jpg)
In between, a landscaped patio organizes many transparencies between hall, pools and locker rooms. Source by Urbane Kultur
![Tournesol swimming pool](https://aasarchitecture.com/wp-content/uploads/Extension-of-the-Tournesol-swimming-pool-by-Urbane-Kultur-07-474x316.jpg)
Location: Lingolsheim, France
Architects: Urbane Kultur
Project Team: Philippe Dahan, Dominique Cornaert, Amaury Sigwarth, Piotr Jansky
Landscape: Bruno Kubler
Structure: Structurest
Cost Estimator: Les Economistes
Fluids engineer: SNC Lavalin
Acoustics: Euro Sound Project
Client: Communauté Urbaine de Strasbourg
Costs: 4 800 000 €
Area: 1790sqm
Year: 2014
Photographs: Jean Baptiste Dorner, Communauté Urbaine de Strasbourg, Courtesy of Urbane Kultur
![Tournesol swimming pool](https://aasarchitecture.com/wp-content/uploads/Extension-of-the-Tournesol-swimming-pool-by-Urbane-Kultur-08-474x316.jpg)
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