With the appearance of a gridded cube, the 4,000-square-metre extension is located alongside Villa Planta, the former residence that now contains the museum, and it is connected to the old building by its basement levels.
“This dialogue between the new and the old buildings is based upon the equilibrium that exists between their classical structures – a clear reference to the Palladian influence in Villa Planta and to its ornamentation,” said architects Fabrizio Barozzi and Alberto Veiga.
“Both buildings present a central symmetrical plan and both use geometry as a tool for cohesion.”
The design of the extension is intended to reflect the Palladian style of the Villa Planta. It features regimented ornamentation and a simple layout that are purged of “superfluous elements”.
“Each building displays its own identity, based on common principles – structure and ornament – to reinforce the idea of a whole,” said the architects.
“The Villa Planta’s ornaments speak of the Oriental influences of its origins, while in the extension the compositional system of the facades reinforces its expressivity and autonomy with respect to the villa,” they added.
“The design strips away everything that is not structure, construction and programmatic division, all united in a single whole.”
The floors above ground are significantly smaller than those below ground, helping to reduce the footprint of the building.
Exhibition spaces are located underground, while the floors above contains public spaces, accessible directly from the pedestrian zone between the two parts of the museum.
“Despite the stringent limitations of the plot, the design strives to minimise its exterior volume by inverting the programme’s logical order,” said Barozzi and Veiga.
“The volume’s reduced footprint makes it possible to extend the existing garden and improves the cohesion of the ensemble.”
The floors within are connected by an exposed concrete stairwell, while exhibition spaces feature white walls and acoustic ceilings with integrated lighting.
The building’s simple form is a stark contrast to the complex geometry of the Szczecin Philharmonic Hall designed by Barozzi Veiga in 2014.
The Polish concert hall, which features ribbed glass cladding and a spiky roofline, received the Mies van der Rohe Award in 2015.
Photography is by Simon Menges.
Architecture: Barozzi Veiga (Fabrizio Barozzi, Alberto Veiga)
Project leader: Katrin Baumgarten
Project team: Paola Calcavecchia, Shin Hye Kwang, Maria Eleonora Maccari, Anna Mallen, Verena Recla, Laura Rodriguez, Ivanna Sanjuan, Arnau Sastre, Cecilia Vielba
Local architect: Schwander & Sutter Architekten
Project manager: Walter Dietsche Baumanagement
Landscape Architect: Paolo Bürgi Landschaftsarchitekt
Client: Hochbauamt Kanton Graubünden
Structural engineer: Ingenieurbüro Flütsch
Services engineers: Waldhauser Haustechnik AG Brüniger + Co, Niedermann Planung
Faccade consultant: x-made SLP
Lighting consultant: MichaelJosefHeusi
Museum expert: BOGNER.CC – die museumsplaner
Building physics: Kuster + Partner
Security consultant: Mullis + Cavegn
Fire protection consultant: Balzer Ingenieure, AFC – Air Flow Consulting
Door consultant: Brütsch Elektronik
Signage: Weiersmüller Bosshard Grüninger WBG
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