Hotel Züri, Heinrichstrasse

The Hotel “Senator” was built in the 1980s and integrated into a late 19th century perimeter block development in the former industrial district of Zürich-West. It has been converted into the new “Hotel Züri by Fassbind”. Fortunately, it was possible to retain the basic structure of floor slabs and concrete partition walls almost unaltered because a new building would have been smaller, as stipulated by zoning regulations, and would have consumed more embodied energy. The roof and the façades were entirely remodelled. One of the characteristics of the district’s residential and factory buildings are clinker bricks, used as facing bricks or as infill in frame structures. On the hotel façade, they take the form of “intarsia” that are cast in self-supporting concrete elements. All of the fittings and furnishings inside the building, including the bathrooms, were replaced. The inner as well as the outer appearance is marked by contrasting pairs such as day and night, light and dark, lying and standing, restrained material colours and strong spectral colours.

Thus, on the street front dark brown bricks have been embedded in the prefabricated elements of the cladding; in the courtyard the bricks are beige. Differently sized concrete “heads” terminate the vertical elements at the top and the horizontal elements at the sides, illustrating the modular construction. Some of the piers and lintels are entirely of concrete – as is the weighty protective canopy at the entrance. The way in which matrices were used to fix the 4 cm deep clinker bricks in the formwork can be seen in the passageway leading to the courtyard, where the matrices were cast without inserting any bricks.

The generously sized wall openings feature full-height timber and metal windows with frames of solid dark oak. To provide light for the new mansard rooms, the stainless steel roof is pierced alternatingly by dormers and roof windows. Two dormers placed by side by side accentuate each corner of the courtyard wing – and, in the interior, enhance the tent-like corner rooms with a “daylight lantern”.

The built-in furniture in the hotel bedrooms is made of oak, both light and dark. Large mirrors guide guests into the space and expand it, as do the windows that open the rooms towards the city. An upholstered bench can be used as both seating and a luggage stand. Letters woven into the grey-beige carpeting wish guests good day/good night in English, French, Italian and German. Patches of colour on the walls modify the daylight in the rooms and, above all, the artificial lighting consisting of LED wall and floor lamps designed especially for these rooms.

Large lamps and patches of colour also accentuate the hotel corridors and “shorten” them visually. Robust metallic and cement-based panelling protects the walls against trolley suitcases and laundry carts, and carpeting, also with lettering, dampens the sound of footsteps.

At ground level, the lobby, lounge and breakfast area form a spatial continuum with large “show windows” facing Heinrichstrasse and the city. Here the durable flooring consists of cast clinker brick fragments of the same kind as used in the façade. Guests are welcomed at a reception area of oak and black sheet metal, with bench seats extending along the walls and custom-made tables, chairs and pendant lamps.

On Heinrichstrasse a generous forecourt in cast concrete invites guests to take their breakfast outdoors under the semi-shade of the trees. In the courtyard the patchwork of paving materials is augmented by coarse gravel, and large tree planters made of steel rebars give newly planted deciduous trees a chance to take root above the underground parking.

Location Zurich, Switzerland

Programme Remodelling of a hotel dating from the 1980s (the former Hotel Senator) with 167 rooms, 317 beds (previously: 121 rooms, 242 beds), lobby with lounge and breakfast area, wellness area, underground parking
Original building volume and basic structure, new: façades, roof, interior fitting-out, building services

Commission 2012

Planning/Construction 2012–2017

Client Hotels by Fassbind

Gross Floor Area 6‘280 m2

Team GG Development and realisation: Martin Feichtner (Project Manager), Cornelia Schmidt (Deputy Project Manager), Eva Rosenova, Matthias Clivio, Christian Gammeter, Nicolas Hunkeler, Maxim Moskalenko, Luisa Wittgen
Preliminary design study for building permit application: Pieter Rabijns (Project Manager permit application), Markus Seiler (Project Manager preliminary design study), Franziska Bächer (Project Manager), Martin Schwarz, Meret Morgenthaler

Site Management Ghisleni Partner AG, Rapperswil (Sub-planner)

Landscape Architecture Rainer Zulauf, Studio Vulkan Landschaftsarchitektur, Zurich

Structural Engineer Henauer Gugler AG, Zurich

Electrical Engineer pbp ag engineering, Zurich

Building Services Engineer Gruenberg + Partner AG, Zurich

Building Physics Engineer Gartenmann Engineering AG, Zurich

Fire Safety Basler & Hofmann AG, Zurich

Acoustical Engineer Gartenmann Engineering AG, Zurich

Photos © Roman Keller

Remodeling of a Farmhouse

The nineteenth-century farmhouse had been extended and remodelled multiple times. In its current residential use, it was to receive another update. Architects and client explored several possibilities from gentle reconstruction to far-reaching, contrasting adaptations, from new wood panelling to load-bearing timber ceilings, from retrofitted traditional box-type windows to modern metal window frames with insulating glazing. This entailed a careful evaluation of the complex building fabric, energy and conservation aspects, and substantial structural renovation, motivated not least by the pest infestation of existing beams and panelling.

Besides the former farmhouse, the existing buildings include a large barn and detached subsidiary structures. The farmhouse core, with massive stone walls and an attractive vaulted cellar, was enlarged to its present-day size in 1943. In the late 1980s, a south-eastern annex under the extended roof was remodelled as a sheltered sitting area with a fireplace, and a squat balcony was added beneath the roof projection. The house was also fitted with central heating and additional fir wood panelling. In the current update, the outer walls and the existing roof structure have been preserved, but the central load-bearing wall had to be replaced to ensure earthquake resistance. Instead a three-dimensional structure in fair-faced concrete has been inserted with openings and recesses for closets and a fireplace including the chimney, which replaces the former stove.

The kitchen space now extends across two storeys. It receives additional zenithal daylight through a large roof window that pierces the attic with a funnel-shaped reveal. A concrete bridge crosses the tall space and connects the bedrooms in the upper storey. The kitchen is a “stone room”, featuring fair-faced concrete surfaces, rendered walls and a floor of fragmented concrete paving. The surrounding rooms are conceived as wooden inserts, in analogy to the previous interior fit-out. Floors and walls are made of untreated, solid fir boards.

The outer walls were provided with interior insulation and two new, ample window openings. Three of the existing openings were enlarged and slightly repositioned, but the majority was left unchanged. The windows themselves were “reconstructed” in an unusual way: Traditional storm windows with wooden frames and bars were mounted in the old and new stone reveals. In contrast, the inner windows have insulated glazing in slender, black-brown steel frames. Dark sheet metal covers the deep interior reveals. The wooden shutters were refurbished and also added to the new windows.

A contrasting texture was introduced where the façade rendering had to be renewed or supplemented – coarse wet dash rendering on the smoothly finished sides, and fine stucco on the façades with rough existing rendering. Wooden slats, stained in brown, replace the previous wooden gable cladding to the southeast. Set with wider gaps, the slats also appear on the reconstructed, but lowered balcony, and on the formerly glazed patio, which thus reclaims the impression of an annex.

The garage was reconstructed with raw, load-bearing composite wood panels. Here, too, the walls are covered with vertical, dark brown wooden slats instead of the former fibre-cement cladding. The battens and counter battens remain untreated beneath the corrugated metal roof. A fossilized footprint in the form of a concrete slab testifies to the former chicken coop and pigsty and now serves as a summertime terrace in the middle of the meadow.

Location Canton Aargau, Switzerland

Programme Residential building

Commission 2014

Planning/Construction 2015–2017

Client private

Gross Floor Area 402 m2

Team GG Christian Maggioni (Team and Site Management), Franziska Bächer (Project Manager)

Site Management Annette Gigon / Mike Guyer Architekten, Zurich

Cost Planning/Scheduling Annette Gigon / Mike Guyer Architekten, Zurich

Structural Engineer Bänziger Partner AG, Baden

Electrical Engineer Enerpeak Salzmann AG, Dübendorf

Building Services Engineer Polke, Ziege, von Moos AG, Zurich

Building Physics Engineer BAKUS Bauphysik & Akustik GmbH, Zurich

Photos © Roman Keller

Francis Bouygues Building, Ecole CentraleSupélec

On the plateau de Saclay, to the southeast of Paris, a cluster of universities and research facilities is emerging based on a long-term master plan. The new Francis Bouygues Building links the existing university with the new Gustave Eiffel Building, while its location also establishes a connection between the campus and the natural environs.

The new building occupies the entire plot with the exception of three volumetric setbacks that define the entrances. Two taller elements reinforce the corners along the street front and a patio with lush vegetation occupies the centre of the building.

The school is organized around a large, three-storey hall as a public space that connects the three departments and lends the building its identity. The departments, or Univers as they are called, are conceived as neighbourhoods with streets, lanes and squares, representing the motif of the city. The hall resembles an artificial topography that links the work areas and common areas on the ground floor and the upper levels, additionally creating a flowing, differentiated space that accommodates places of varying intimacy.

The façade is clad in enamelled ceramic elements with smooth, wavy or grooved surface textures. This architectural design relates to the surroundings, with the colours of the elements mirroring the departments of the school. In addition, the colouring of the modulated, shining surfaces responds to changes in the lighting, thus enhancing the visual impact of the building.

Location Paris Saclay, France

Programme University building, theatre, auditories, teaching and music rooms, laboratories, sports hall, restaurant, cafeteria, offices, hotel, underground parking

Competition 2014, 1st Prize

Planning/Construction 2015–2017

Client Kluster (Bouygues Bâtiment Ile-de-France, Bouygues Energies & Services, HICL Infrastructure Limited)

Gross Floor Area 27‘400 m2

Competition Organzier CentraleSupélec

Team GG Planning/ Construction: Pieter Rabijns (Team Manager), Elisabeth d’Aubarède, Dina Hool, Bryan Grossenbacher, Christoph Dober, Andy Gratwohl, Arend Koelsch, Milica Vrbaski
Competition: Pieter Rabijns (Team Manager), Martin Schwarz, Kathrin Sindelar, Christoph Dober, Martin Feichtner, Andy Gratwohl, Arend Koelsch

Contact architects Synthèse Architecture, Arceuil, France

Site Management Bouygues Bâtiment Île-de-France Ouvrages Publics, Guyancourt, France

General Contractor Bouygues Bâtiment Île-de-France Ouvrages Publics, Guyancourt, France

Landscape Architecture Bassinet Turquin Paysage, Paris, France

Cost Planning/Scheduling Bouygues Bâtiment Île-de-France Ouvrages Publics, Guyancourt, France

Structural Engineer Bouygues Bâtiment Île-de-France Ouvrages Publics, Guyancourt, France

Building Services Engineer EGIS, Paris, France

Building Physics Engineer AMOES, Asnières-sur-Seine, France

Fire Safety BTP Consultants, Villebon-sur-Yvette

Acoustical Engineer Jean-Paul Lamoureux Acoustics, Paris, France

Signage Integral Ruedi Baur, Zurich (Concept)
Bureau Brut, Paris, France (Planning/Construction)

Colours Harald F. Müller, Öhningen, Germany

Photos © Philippe Ruault
© Harald F. Müller
filmstills: © Severin Kuhn

Office Building Claridenstrasse 35

The new office building of the Balzan Foundation is located in central Zurich, close to Paradeplatz. Like the previous office building from the 1960s, it stands alone, but it is integrated into the existing perimeter block through its placement and size. The façade, articulated by horizontal elements of artificial stone and vertical metal profiles, echoes the inner load-bearing structure of concrete floor slabs and steel composite columns. The publicly accessible ground floor as well as the fourth and the top floor are accentuated by an expanded grid within the façade composition. Visitors are welcomed by a two-storey entrance hall facing the city. In memory of the institution’s founder, terrazzo flooring and sumptuous light fixtures lend the spacious entry Italian «grandezza».

The interior fit-out of the premises for the tenant, an audit and consulting firm, was conceived and created in tandem with the core and shell construction. The layout of the partitions, built-in furnishings and the custom-designed LED lighting are thus an integral part of the architecture.

The structural and energy concept of the building was optimized in order to add another storey within the specified building height, but without sacrificing room height. The loadbearing and bracing core, moderate spans and distances between columns ensure slender ceilings despite the strips of sound-absorbing elements and the pipes of the thermo active component system which are invisibly embedded in them. Ventilation with decentralised façade units and central extraction allows raised floors with minimal thickness. For heating and cooling, the compact building volume is connected to an anergy grid fed with lake water. A photovoltaic system is installed on the roof.

On the outside, the polished concrete of the prefabricated façade elements covering the edges of the floor slabs refers to the terrazzo surfaces of the interior, whereas the vertical profiles of anodized aluminium conceal both the loadbearing columns and the slender, individually operable ventilation flaps. The profiles are rectangular or round, closed or perforated, so that they can be read as both columns and «fresh air ducts».

A spacious forecourt along the street takes the place of the former parking lots. Broken stone slabs with greened gravel joints along with trees and shrubs recall the front yards once common in the erstwhile residential neighbourhood.

Location Zurich, Switzerland

Programme Office building, 7 floors above ground, 2 basement floors of the existing building, two-storey entrance hall, offices, meeting rooms, boardroom, 2 terraces, common room, underground parking with car lift

Competition 2015

Planning/Construction 2015–2018

Client Internationale Balzan Stiftung-Fonds

Gross Floor Area 4‘062 m2

Team GG Planning/Execution: Stefan Thommen (Team Manager), Christoph Lay (Project Manager), Cornelia Schmidt (Project Manager tenant fit-out), Lukas Taller, Franziska Bächer
Wettbewerb: Stefan Thommen, Daniela Schadegg, Ivana Beljan

Site Management Ghisleni Partner AG, Rapperswil/ Zurich

Landscape Architecture Schmid Landschaftsarchitekten GmbH, Zurich

Cost Planning/Scheduling Ghisleni Partner AG, Rapperswil/ Zurich

Structural Engineer Dr. Lüchinger + Meyer Bauingenieure AG, Zurich

Electrical Engineer Amstein+Walthert AG, Zurich

Building Physics Engineer BAKUS Bauphysik & Akustik GmbH, Zurich

MSRL Amstein+Walthert AG, Zurich

Heating/Cooling Amstein+Walthert AG, Zurich

Ventilation Engineer Amstein+Walthert AG, Zurich

Acoustical Engineer BAKUS Bauphysik & Akustik GmbH, Zurich

Facade gkp fassadentechnik ag, Aadorf

Traffic Engineer Enz Partner GmbH, Zürich

Photos © Roman Keller

Housing Development Labitzke Areal

A dynamic increase in density was planned for the premises of the former Labitzke industrial plant, where paint was produced until the early 1990s. The 10,000 square metres of land in Zürich-Altstetten now accommodate 277 rental units, commercial spaces, offices and a day-care centre.

Eight buildings of different sizes and heights meander among neighbouring plots between busy Hohlstrasse and quiet Albulastrasse. The staggered arrangement of the buildings creates enclosed outdoor spaces, each with a character of its own depending on location and design. Passageways connect the squares and ensure pedestrian access throughout the premises. The former atmospheric quality of the heterogeneous commercial buildings should be sustained in a new form.

Two high-rise buildings of 15 and 21 floors respectively are placed west and east at the beginning and end of the development. The ground floor levels facing the streets and the outside squares accommodate shops, commercial spaces and a day-care centre. Forty types of flats have been designed for a wide spectrum of tenants, from spacious 4.5 room accommodation to simple studios with a small garden.

Vertical and horizontal strip work and slightly recessed railings form an architectural structure shared by all of the buildings and lending unity to the whole.

Location Zürich Altstetten, Switzerland

Programme 8 buildings, 4–19 storeys including two residential towers: 47 and 64 metres tall respectively; 7 squares/courtyards, 277 rental units, 17 commercial uses in the ground floor: bistro, day-care centre, offices, retail, serviced apartments (H6), underground parking, 123 car pitches, of which 20 for visitors, 1 car sharing pitch, 670 bicycle, 11 motorcycle stands

Competition 2013, 1st Prize

Planning/Construction 2013–2018

Client Mobimo AG, Küsnacht

Gross Floor Area 39‘986 m2

Team GG Planning/ Construction: Christian Maggioni (Team Manager 01/2016–), Volker Mencke (Team Manager –12/2015), Urs Meyer (Project Manager 11/2014–), Cornelia Schmidt (Project Manager 2013–10/2014), Philippe Volpe, Andy Gratwohl, Arend Kölsch, Maxim Moskalenko, Stefanie Bittig, Chiara Giovanola, Rodrigo Jorge
Competition: Stefan Thommen, Christoph Dober, Leyla Illman

Total Contractor Implenia Schweiz AG, Dietlikon

Landscape Architecture Schmid Landschaftsarchitekten GmbH, Zurich

Structural Engineer Competition: Dr. Lüchinger + Meyer Bauingenieure AG, Zurich
Construction: Dr. J. Grob & Partner AG, Bauingenieure SIA/USIC, Winterthur

Electrical Engineer HKG Engineering AG, Schlieren

Building Services Engineer Competition/Submission: PB P. Berchtold Dipl. Ing. HTL/HLK, Sarnen
Construction: JOP Joseph Ottiger + Partner AG, Rothenburg

Building Physics Engineer BAKUS Bauphysik & Akustik GmbH, Zurich

Fire Safety Competition/Submission: Hautle Anderegg + Partner AG, Bern
Construction: Conti Swiss AG, Zurich

Facade Aeplan, Eschelbach Metallbauplanung GmbH, Wikon

Colours Harald F. Müller, Öhningen, Germany

Photos © Roman Keller

Residential Building in Küsnacht

The heirs of an early 20th-century house with an adjoining metal workshop in the centre of Küsnacht decided to replace it with a new residential building.

The five-story structure with an adjoining one-story annex occupies the maximum area of the narrow plot. The area facing the street in front has trees and greened parking spaces. The ground floor accommodates flexible commercial uses and is oriented toward public space. A shared garden at the back can be accessed via staircases from the flats above and from the terrace of the annex. Each of the three storeys above contains a 2.5 and 3.5 room unit. The spacious accommodation on the top floor is setback and consists of 3.5 rooms front to back. In addition to a central stairwell, a lift provides direct access to the flats. The below ground level contains storage areas for both residents and commercial tenants as well as a common laundry room and a small flat for guests.

In addition to suitability for seniors and a view of the lake of Zurich, important factors for the clients included shared spaces, outdoor areas for the flats and direct access to the garden. The distinctive shape of the rectangular building is defined by the arrangement of the annex on one side and balconies jutting out to the south and west – somewhat like a windmill.

To ensure spaciousness the ground plans are open in design. Full height sliding doors connect the rooms along the façade, each of which provide different outlooks. The central kitchen unit and wall closets resemble room dividers and structure the floor plan. Oak flooring and exposed concrete ceilings throughout emphasize the loft like atmosphere.

A finely structured façade of corrugated aluminium sheeting clads the building with its rounded corners. The balconies, stairs and wings of the floor-to-ceiling, oak-framed windows are fitted with perforated railings. The vertical division of the corrugated sheets follows the storeys, in a design that integrates the balconies into the volume as a whole, so that they lead down the steel staircases into the garden. The material of the façade echoes the character of the former building with its mix of living quarters and workshop.

Location Küsnacht, Switzerland

Programme Residential house with commercial space, 7 apartments (three 2.5 rooms, four 3.5 rooms

Commission 2013

Planning/Construction 2015–2018

Client private

Gross Floor Area 1‘243 m2

Team GG Stefan Thommen (Team Manager), Daniela Schadegg (Project Manager 2016–), Matthias Rösner (Project Manager –2015), Katja Fröhlich

Site Management Building shell/ Facade: Junod Epper GmbH Bauagentur, Zurich
Interior fittings: Eidos AG, Küsnacht

Landscape Architecture Bischoff Landschaftsarchitektur GmbH, Baden

Structural Engineer Alfred Mühlethaler Ingenieurbüro, Zurich
Lukas Baumann AG, Baden

Electrical Engineer Eidos AG, Küsnacht

Building Services Engineer VC Engineering AG, Neftenbach

Building Physics Engineer Kurt Ritter, aik Architektur und Ingenieur Kollektiv, Zurich

Photos © Seraina Wirz

Awards Baupreis 2019 des Architektur Forum Zürcher Oberland

Löwenbräu-Areal – Arts Centre, Residential Tower and Office Building

The history of the Löwenbräu complex, a former brewery, is one of frequent remodeling, adding on, and replacing parts of the existing buildings, whereby the change of use from a brewery to an art exhibition and gallery complex in the 1990s marked the crucial turning point. The new project is based on this most recent, successful conversion, while enhancing the variety of uses for this complex with new residential, office, and exhibition spaces. The preservation of the original historical building is an important step toward maintaining the identity of the former industrial district, rendering an important chapter in the city’s history visible.

The concept for urban development here focuses on three structural changes in the form of new buildings within the existing complex: the New West Building, to offer additional space for the arts, the New East Office Building, and the Central High-Rise Residential Building. Together with the steel tower and the Swiss Mill silos, the high-rise residential building redefines the site’s silhouette and—to a certain extent—even that of the city.
By adding buildings to the existing complex, a new urban ensemble can evolve—with the Central High-Rise Residential Building forming the focal point. The elongated, older structures with the former main brewery building on Limmatstrasse are framed by the addition of a further level on top of the Arts Center in the west and by the taller New East Office Building at the opposite end near the railway viaduct.
The new Löwenbräu complex is now to be seen not just from the street and from a distance, but also from its two courtyards. The former Brewer’s Yard - a listed historical site - provides access to the surrounding buildings as well as being a traffic-free outside space for relaxation. The new entrance to the art institutions is located in the open Art Courtyard, which also includes parking spaces for visitors and a delivery entrance.
Together with the entrance area to the art section and the additional story at this end of the complex, the New West Building projects at right angles and adjoins the former workshops on the courtyard side. It includes art exhibition rooms, guest accommodations, and offices. The exhibition spaces and a multi-function room can be partitioned as required. They are lit by side windows and are accessed directly from the entrance area to the art section. This entrance area has been conceived as a new, generously proportioned foyer with a staircase and elevators. The staircase is directly accessible from the lobby, which can be entered from Limmatstrasse or the courtyard.
The Central High-Rise Residential Building, with its large projection to the south, houses 37 apartments, one to four on each floor, which all face in several directions, affording views of the city, the lake, and the Limmat valley. The main volume of the high-rise is cantilevered out over a narrower base set in the Brewer’s Yard. The 21 apartments in the base face southward onto the quiet courtyard. Service facilities are housed on the ground floor, in addition to a passageway between the two courtyards and the lobbies.
The New East Office Building is also an angled structure with a higher section on Limmatstrasse and a lower segment between Dammweg and the Brewer’s Yard. On the ground floor, the entrance lobby to the offices is located under the projection, whereas the gallery and retail spaces are accessed via the courtyard. The varied widths of the rooms on the upper office floors enable them to be adapted to suit a range of different office constellations. The façades of the Central High-Rise Residential Building and the New East Office Building are clad in molded ceramic elements with black and red glazed finishes that refer to the colored brickwork of the existing buildings. Double aluminum windows with additional ventilation slits consist of an external pane of plain glass and an inner pane of insulation glass with blinds in between. Turn-and-tilt-lift windows, custom-designed for the tower, can slide all the way up to the ceiling to invite the outdoors inside on a sunny day.
The tower rises up above the row of various old and new buildings along Limmatstrasse as a dark, shimmering volume. The walls form grid patterns whose ceramic surfaces stand out from or merge with the window areas depending on the light, presenting a changing face to the city.
The red New East Office Building picks up on the fundamental character of the old buildings not only with regard to the materials used, but also in its coloration. The wavy structure, the gleaming materials, and the alignment of the windows, however, anchor the building firmly in the present.
The New West Building has been designed as a homogeneous, white concrete structure, insulated on the inside. The art spaces are equipped with box windows. While the new and old sections of this building are interwoven closely here in terms of their volumes and use, the material finish chosen for the addition sets it apart from the existing structure. A new ensemble is created that enables the expansive dimensions of the new volume to be clearly read and signals the presence of the arts within the complex.

Location Zurich, Switzerland

Programme Conversion and extension of a former, partly listed brewery; museums, galleries, event hall, studios, shop areas, 58 apartments 2.5–5.5 rooms (21 courtyard apartments, 37 tower apartments), new office building, storage areas, underground parking

Competition 2003, two ex aequo 1st Prizes: Gigon/Guyer and Atelier WW Architekten

Planning/Construction 2005–2014

Client PSP Properties AG

Gross Floor Area 48‘328 m2

Team GG Collaborators Competition:
Gigon/Guyer: Volker Mencke
Atelier WW: Martin Danz
Planning/Execution:
Mitarbeit Gigon/Guyer:
Volker Mencke (Planning-/ Team Manager), Bettina Gerhold, Daniel Friedmann, Reto Killer, Kathrin Sindelar, Damien Andenmatten, Yvonne Grunwald, Alex Zeller, Pieter Rabijns

Total Contractor Steiner AG, Zurich

Landscape Architecture Schweingruber Zulauf Landschaftsarchitekten, Zurich

Structural Engineer Consortium Dr. Lüchinger + Meyer Bauingenieure AG, Zurich Henauer Gugler AG, Zurich

Electrical Engineer Planning/Submission: Schneider Engineering + Partner Zürich AG, Zurich
Execution: Mosimann & Partner, Zurich; Schmidiger + Rosasco, Zurich

Building Services Engineer Gruenberg + Partner AG, Zurich

Building Physics Engineer braune roth ag, Binz

Fire Safety Makiol + Wiederkehr Dipl. Holzbau-Ingenieure HTL/SISH Beinwil am See

Facade Planning/Submission: gkp fassadentechnik ag, Aadorf
Execution: Josef Gartner GmbH, Gundelfingen

Signage Integral Ruedi Baur, Zurich
Remodeling Entrance: Teo Schifferli, Zurich
Signito, Zurich

Colours Harald F. Müller, Öhningen, Germany

Photos Löwenbräukunst, Remodeling Entrance: © Roman Keller
© Thies Wachter
© Shinkenchiku-sha, Tokyo
Kunsthalle Zürich exhibitions: © Stefan Altenburger Photography
Luma Westbau Schwarzescafé: with kind permission Luma Westbau | Luma Stiftung © Stefan Altenburger
Courtyard apartment: © Laura Egger
© Christian Scholz
Construction site: © Thomas Zwyssig

Arts Centre

Residential high-rise

Brewery Main Building

New Office Building East

History

Kunst-Depot, Henze & Ketterer Gallery

The Kunst-Depot built for the Henze & Ketterer Gallery is designed to provide storage space for works of art while also functioning as a showroom: a showroom not only for clients who wish to look at a work that is not currently on display in the nearby gallery, but also a space that can be used for the presentation of contemporary art. The two floors above ground allow for all three types of use, although initially mainly the top floor will be used as gallery space.

The plan is not subdivided. It is structured only by the staircase with adjoining sanitary block and kitchen facilities, and also by a central load-bearing service wall. Two windows on the ground floor and two on the top floor allow daylight viewing of the works, as well as providing a view of the surroundings.

To minimize the risk of water damage to the artworks, only air is used for heating and humidity control. And to ensure a stable climate inside the Kunst-Depot, the insulation and mass of the brick-and-concrete load-bearing structure were maximized: even the roof is made of concrete.

Both the roof and façades are clad in ‘Tetra’ metal sheeting, a material commonly used for warehouses. The distinctive look of the building comes from dividing the cladding into two perforated layers. The outer shell is like a curtain wall and functions as a sunscreen. The smooth metal roofing sheets are rectangular, but folded over the edge of the roof at a slant to echo on the façade the irregular, trapezoidal plan of the building.

The plan results from a wish to optimize the space both inside and outside the building within the limits of the bell-shaped plot. The building’s shape responds to the local building code, which calls for a pitched roof and eaves for new buildings located in the historic center of the village to match the imposing style of the traditional surrounding farmhouses.

Location Wichtrach, Switzerland

Programme Exhibition space, art depot, storage rooms

Commission 2002

Planning/Construction 2002–2004

Client Galerie Henze & Ketterer

Gross Floor Area 1‘103 m2

Team GG Esther Righetti (Project Manager)

Site Management Annette Gigon / Mike Guyer Architects, Zurich
Collaborator: Thomas Hochstrasser

Structural Engineer Aerni + Aerni Ingenieure AG, Zurich

Electrical Engineer Elkom Partner AG, Chur

Building Services Engineer 3-Plan Haustechnik AG, Winterthur

Photos © Heinrich Helfenstein

Address Kirchstrasse 26, CH–3114 Wichtrach/Bern