The Sion hospital extension project is organised around a major East-West axis, which functions as a link between the old and new buildings.

The location of the project takes advantage of the sloping ground and allows direct access to the emergency department. From the car park, visitors are guided through a landscaped sequence to the new hospital entrance at the heart of the internal street. This wide, double-height glass gallery allows pedestrians to access all the buildings on the site, including the crèche located to the south of the building.

On the north side, a wide esplanade links the car park entrance and the main entrance. This mineral pedestrian square offers many opportunities for rest and relaxation due to its planted areas. The mounds planted on the northern esplanade protect the pedestrian area and direct the car traffic to a drop-off point near the building. To the south, through the large park, a network of paths runs through the entire site. Navigating through a network of mounds extending the protective dike, these paths link the different units of the site. These paths intersect and widen to create small squares and breathing spaces.
The pedestrian street, which takes advantage of a maximum of natural light thanks to its glazed surface, groups together the reception and waiting areas of the services it links. On the upper floor, the glazing is treated with silk-screen printing to protect the medical gallery crossing this large volume from view and to regulate solar gain. The bioclimatic double skin façade creates a controlled climate around the new building in winter and summer. Designed to recover and redistribute a maximum amount of natural energy, the façade system will minimise the building’s energy needs while facilitating access and fluid distribution in the hospital.

  • Customer:Spital Wallis
  • Team:Architecturestudio
  • Program:Hospital extension
  • Year:2015
  • Surface:115 700 m²
  • Status:Competition

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