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Sunday, January 9, 2011

Rolex Learning Center : By SANAA

Lausanne, Switzerland
SANAA
Post By:Kitticoon Poopong
Photo © Courtesy of Roland Halbe--The curving, elevated forms of SANAA's Rolex Learning Center in Lausanne, Switzerland, defy traditional ideas about building.

SANAA’s much-anticipated Rolex Learning Center calls into question long-standing views about architecture.
What makes a great building? The ancients seemed to think it had something to do with proportion and symmetry. That belief pretty much persisted through to the last century, when some of the most memorable buildings were the ones that broke completely with those Classical tenets. 
Photo © Courtesy of Roland Halbe--Seen from the northeast, the one-story structure is the new center of EPFL's small campus.
Fast forward to a new decade of a new century, and the completion of SANAA’s otherworldly Rolex Learning Center. These days, any number of things can make a building great. Some point to the use of groundbreaking technologies and materials to create jaw-dropping forms. Others will argue for a building’s green attributes. And if you agree with a certain oft-quoted Modern master, it’s all in the details.
Photo © Courtesy of Roland Halbe--The roof runs parallel to the waves of the concrete floor slab below. Laser-cut wood beams, each unique, form the curving portions of the roof.
Back to Rolex. On the heels of the Pritzker Prize, awarded to SANAA partners Kazuyo Sejima and Ryue Nishizawa last month, it seems almost blasphemous to imply that the enigmatic firm’s latest building is anything but great. And much of what has already been written about the low, undulating structure heralds it as a masterpiece—despite some very obvious flaws. Is it structurally and spatially innovative? Most definitely. Is it sustainably built? Arguably. Is it impeccably finished? Not by a long shot.
Photo © Courtesy of Roland Halbe--The south façade is the most complex structurally. A pair of hills corresponds to the auditorium and the largest patio.
Envisioned as a hub for the prestigious École Polytechnique Fédérale de Lausanne’s (EPFL) small campus of mostly nondescript buildings in Lausanne, Switzerland, the new Learning Center houses a library, student work spaces, offices, a restaurant, and a café spread out over 215,000 square feet on one open, rolling level. A basement level contains parking and additional stacks.
Photo © Courtesy of Roland Halbe--The overhead plane curves in harmony with the sloping floor. Sunshading louvers are located along the south, east, and west facades, and inside the patios. The sensor-controlled louvers descend automatically. The beanbaglike chairs SANAA developed with IDEE are used extensively by students.
It’s hard to resist likening the structure to a thick-cut slice of Swiss cheese, its rectangular form punctuated by a dozen or so variously-sized holes, or patios, as the architects call them. The patios bring daylight to all areas of the building, and the larger ones serve as entrances where their sloping forms touch the ground. To access them, visitors walk past the impenetrable glass facades and slip beneath one of the building’s peaks. It’s an unorthodox, but strangely evocative procession that also exposes the glossy underside of the rippled floor slab’s concrete.
Photo © Courtesy of Roland Halbe--The larger patios serve as entrances where their sloping forms touch the ground.
The concrete—in some areas almost 3 feet thick—was poured over a precise formwork of sloping geometries created from 1,400 individual molds. The complex curvatures are supported by 11 highly reinforced arches, with spans as great as 280 feet. Prestressing in the slab over the basement provides added support, though the curving form around the largest patio in the building’s southeast corner required a structural wall and column.
Photo © Courtesy of Roland Halbe--Terraces provide flat surfaces for tables in the library, seen here, and restaurant. The library contains more than 500,000 volumes.
A steel-and-wood roof billows in response to the concrete waves for a consistent 11-foot ceiling height (except in the taller multipurpose hall). Between floor and ceiling—the former blanketed by a mousy gray carpet, the latter a stark white sound-absorbing surface—is a remarkable space that’s a hybrid of built and natural environment that takes its cues from the nearby Alps, visible from inside. The building, a flowing landscape, is unencumbered by walls, allowing views across its interior and through the patios; overhead is a continuous plane. 
Photo © Courtesy of Roland Halbe--Glass-enclosed work areas, referred to as “bubbles,” allow students private space for group study and debate.
Herein lies the building’s greatest strength. The experience of meandering through the space is magical, and one that challenges traditional notions of movement through man-made constructions as strictly vertical or horizontal. But this singular experience is also the source, somewhat counterintuitively, of the building’s main drawbacks. The single-story, sloping structure is not the exemplar of accessible design one might expect it to be. To use hiking terms—which the promenade through this building brings to mind—some of the hills might be classified as moderate to expert. So while it may be free of doors and walls, the building is chock full of ramps and elevators, both inclined and vertical.
Photo © Courtesy of Roland Halbe--Enclosed circular spaces act as research and administrative offices.
The lack of partitions gives way to alternate methods of separating functions, some better than others (the cage surrounding the bookshop comes to mind as a less than desirable alternative). Tables in both the library and restaurant are raised on terraces and encircled by the same bulky railings that line the ramps. Circular “cubicles” enclose offices, creating awkward residual spaces between closely positioned cubicles, and between the covered tops of the cubicles and the ceiling. The sloping terrain itself is supposed to act as a divider, but since this is not abundantly clear, some areas are roped off. One large area behind the auditorium is just too steep to serve any purpose at all. Apparently, the efficient floor plan is so last century.
Photo © Courtesy of Roland Halbe--Located in the southwest corner of the building, the multipurpose hall, or auditorium, takes advantage of the structure's sloping floor to position its 600 seats. While the rest of the building maintains a consistent 11-foot ceiling height, the ceiling in this space, called the Rolex Forum, reaches a 16-foot height. The Alps are visible in the distance.
A series of student work spaces, referred to as “bubbles,” use glass to create privacy. Unfortunately, it’s not the precisely curved glass of SANAA’s Glass Pavilion at the Toledo Museum of Art in Ohio [record, January 2007, page 78] or the swirling acrylic of its Derek Lam Shop in New York City [record, September 2009, page 78]. Cost constraints dictated that the bubbles be fitted with less expensive, less transparent, straight panels—a surprise, given the list of donors who funded the $100 million project, led by the Learning Center’s illustrious namesake.
ground floor plan--drawing Courtesy of SANAA
Cost-cutting measures are evident throughout the building, most noticeably in all the off-the-shelf components that draw attention in a structure that is anything but. Skylights, for instance, were necessary to keep the building naturally ventilated and help it achieve Switzerland’s strict Minergie label for energy efficiency—despite all the concrete. Yet the standard bubble type used here, glaringly visible from the ground, flagrantly disrupts the flowing overhead plane both inside and out. 
sections--drawing Courtesy of SANAA
Most visitors to the building, including a very curious public, are able to look past these flaws. Students from the EPFL and a nearby university have completely embraced it, consistently filling the libraries and work spaces and creating ad hoc study areas by variously arranging the beanbaglike chairs that dot the floor.
detail section--drawing Courtesy of SANAA
The Learning Center is obviously an inspiring place for its users, but that in itself cannot make the building great, and it is far from SANAA’s best. The firm’s ambitious design was scaled back almost from the start, leaving the architects to make one concession after another. Which leaves us with the perennial question: Is building a worthwhile pursuit when it may be impossible to reconcile the purity of a concept with the realities of construction and limitations of budget? As long as we want to have great buildings in the future, the answer to that is yes.

The People

Client
EPFL (Ecole Polytechnique Fédérale de Lausanne)
Architect
Kazuyo Sejima + Ryue Nishizawa / SANAA
1-5-27 Tatsumi, Koto-ku
135-0053 Tokyo, JAPAN
Email: sanaa@sanaa.co.jp

Team: Yumiko Yamada, Rikiya Yamamoto, Osamu Kato, Mizuko Kaji, Naoto Noguchi, Takayuki Hasegawa, Louis-Antoine Grego

Total Service Contractor
Losinger Construction SA
Bussigny, Switzerland
Commercial Phase:
*Bernard Chauvet, Directeur Délégué Agence valdo-genevoise
Construction Phase:
*Eric Maïno, Directeur Exploitation
*Cédric Luce, Chef de Service Adjoint

Project Management
Botta Management Group AG
Baar, Switzerland
*Charles R. Botta, President, CEO
*Pierre Eller, Project Manager

Local Architect
Architram SA
Renens, Switzerland
*François Vuillomenet, Associate
*Dominik Buxtorf, Associate

Structural Base Concept
SAPS / Sasaki and Partners
Tokyo, Japan
*Mutsuro Sasaki
*Ayumi Isozaki, Hirotoshi Komatsu, Hideaki Hamada

Engineers
Structural Engineer
B+G Ingenieure Bollinger und Grohmann GmbH
Frankfurt am Main, Germany
*Manfred Grohmann
*Agnes Weilandt
Walther Mory Maier Bauingenieure AG
Münchenstein, Switzerland
*Rene Walther
*Gilbert Santini
BG Ingénieurs Conseils SA
Lausanne, Switzerland
*Michel Capron
Losinger Construction SA
Bussigny, Switzerland
*Jean-Benoit Leroux
Mechanical/HVAC Engineer :
Enerconom AG
Bern, Switzerland
*Rolf Moser
Electrical Engineer:
Scherler Ingénieurs-Conseils SA
Lausanne, Switzerland
*Jacques Mühlestein

Consultants
Façade Consultant:
Emmer Pfenninger Partner AG
Münchenstein, Switzerland
*Steffi Neubert
Energy Concept:
Sorane SA
Ecublens, Switzerland
*Pierre Jaboyedoff
Acoustic Consultant:
EcoAcoustique SA
Lausanne, Switzerland
*Victor Desarnaulds
Security Consultant:
BG Ingénieurs Conseils SA
Lausanne, Switzerland
*Thierry Visinand
Measurement, Control Regulation (MCR): 
Consulting Energy Control SA
Plan-les-Ouates, Switzerland
*Michaël Briffaz
Geotechnical Services:
Karakas & Français SA
Lausanne, Switzerland
*Christian Voit
Surveyor:
Truffer-Renaud-Burnand Sàrl
Renens, Switzerland
*Daniel Meier

The Products

Structural System
Civil Works, including foundation and piles: Losinger Construction SA (Bussigny, Switzerland)
Concrete for “shell” provided by: Holcim SA, (Bussigny, Switzerland)
Pre-stressed cables: Freyssinet SA (Moudon, Swizerland)
Roof steel beams, columns, braces: SOTTAS SA (Bulle, Switzerland)
Roofwood beams: Ducret-Orges SA (Orges, Switzerland)

Technical
Electrical: EP Electricité SA (Genève, Switerland)
Electrical: Etablissements Techniques Fragnière SA (Bulle, Switzerland)
Ventilation and Measurements, Controls, Regulation: Consortium Alvazzi / Atel (Crissier, Switzerland)
Floor heating: Baruchli SA (Lausanne, Switzerland)
Sanitary, Plumbing: Riedo Clima SA (Bulle, Switzerland)
Architectural lighting on main level: Zumtobel Lumière SA (Romanel-sur-Lausanne, Switzerland)

Exterior
Glass façade system with anodized aluminum facia and sun protection box: Roschmann Konstruktionen aus Stahl und Glas GmbH (Gersthofen, Germany)
Louver sun protection: WAREMA Schweiz GmbH (Littau, Switzerland)
Sika Sarnafil flexible waterproof membrane roof surface: Pilatus Flachdach AG (Samstagern, Switzerland)
Concrete walkway covers: Losinger Construction SA (Bussigny, Switzerland)

Interior
Screed: LIROM Chapes SA (Le Landeron, Switzerland)
Carpet flooring: Interior Services SA – Pfister (Etoy, Switzerland)
BASWAphon mineral plaster acoustic ceiling: Clément Peinture SA (Fribourg, Switzerland)
Plasterboard + paint on “bubbles”: DUCA SA (Cheseaux-sur-Lausanne, Switzerland)
Expanded metal partitions: R. Morand & Fils SA (La Tour-de-Trême, Switzerland)
Steel railings with polycarbonate, or expanded metal infill: R. Morand & Fils SA (La Tour-de-Trême, Switzerland)
Curved glass for Credit Suisse and flat glass for meeting rooms: GLAS TRÖSCH AG (Bützberg,Switzerland)
Inclined elevator: Weiermann Systems AG (Wynigen, Switzerland)

Furniture
Information desks in anodized aluminum + acrylic: Actoform SA (Ecublens, Switzerland)
Anodized aluminum library bookshelves with lamps: Unifor Spa (Turate, Italy)
Student work tables with lamps: Developed by Schoch Werkhaus AG (Winterthur, Switzerland)
Glass precious books collection case: Bodenmann J. SA (Le Brassus, Switzerland)
SANAA Flower Chair: Vitra AG (Birsfelden, Switzerland)
Vitra office furniture: Teo Jakob Tagliabue SA (Geneva-Carouge, Switzerland)
Fritz Hansen tables and chairs: Batiplus SA (Lutry, Switzerland)
Mobile cushions: IDEE (Tokyo, Japan)

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