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Welcome to the Ecotope
#greenbuilding

Welcome to the Ecotope

The master plan named Ecotope was chosen by renowned Swiss education and research institute EPFL to fulfil an important requirement. Green spaces will flourish instead of blanketing the ground with bleak tarmac; circular materials will replace concrete and steel.

The Ecole Polytechnique Fédérale de Lausanne (EPFL) is one of the most prestigious universities in the world. Since the 1970s on the northern banks of Lake Geneva, it joined forces with Lausanne University to create Switzerland’s largest education and research centre. Although in recent decades several new buildings were added – such as the Rolex Learning Center by SANAA and the SwissTech Convention Center by Richter Dahl Rocha & Associés, these lacked an overall plan and the architectural vista is therefore rather patchworked. Large gaps between buildings are typically landscaped, yet here the site is dominated by barren, sealed ground. There is a distinct lack of pleasant areas with lush greenery, and it offers little appeal. This is a shortcoming that is expected to be resolved by the new master plan Ecotope, which was designed by architects 3XN and Itten+Brechbühl AG.

Ecotope Campus, timber construction, master plan, 3XN, EPFL, Lausanne, Switzerland
The master plan by Danish architects 3XN focuses on timber construction and biophilic design principles.

Focus on biophilic principles

All considerations concentrated on expanding the existing EPFL Innovation Park and its forthcoming makeover to mark the site’s 30th anniversary in 2022. Over recent decades, architecture has echoed the transformation experienced by technology and has undergone radical change.

Nowadays, progressive thinking is reflected to a lesser extent by imposing designs, and no longer by energy efficiency alone. Instead, the focus is on a wide range of architectural soft skills that are geared towards user benefits and the environment. As a result, green spaces and the use of biophilic principles are a high priority for Ecotope, as explained in the project description.

Ecotope will be a campus that facilitates and generates disruptive innovative solutions by being the interface between EPFL and society at large.

Jan Ammundsen, head of design and senior partner at 3XN

“Ecotope will be a campus that facilitates and generates disruptive innovative solutions by being the interface between EPFL and society at large,” remarks Jan Ammundsen, head of design and senior partner at 3XN. The result is a master plan that achieves an efficient use of space, adapts to the local climate, and breathes life into the whole site. “A green and social spine runs through the entire site and through the site’s main building, making it a strong design element with space for social encounters as well as for plants, birds and bees.”

Ecotope Campus, timber construction, master plan, 3XN, EPFL, Lausanne, Switzerland
The new main building is situated on a green pedestrian route that stimulates interaction.
Courtyard, Ecotope Campus, timber construction, master plan, 3XN, EPFL, Lausanne, Switzerland
Areas of lush greenery where people can meet up are found all over the campus and provide a good quality of life.

Coincidence as an initiator

As 3XN founder Kim Herforth Nielsen explained in an interview with ubm magazine., the studio follows the principles of behavioural design. In other words, the manner in which space is designed has a direct influence on the people who use this space. The project description reads: “With the foundational aim of the Ecotope to bring different communities together, the main building is designed around the idea of serendipity.”

The layout of the building seeks to foster interaction through unplanned encounters.

3XN, architects

The term serendipity is defined as the chance observation of something that was originally not pursued, when this turns out to be a surprising discovery. Coincidence becomes the initiator of new ideas, and the architecture here is therefore intended to promote and cultivate such coincidence. “The layout of the building seeks to nudge the user groups to both meet each other formally and informally, fostering interaction through unplanned encounters.”

Ecotope Campus, timber construction, master plan, 3XN, EPFL, Lausanne, Switzerland
The master plan envisages the use of construction materials that are either recycled or recyclable.
Ecotope Campus, timber construction, master plan, 3XN, EPFL, Lausanne, Switzerland
A room height of 4.5 metres aims to maintain maximum adaptability.

Circular and adaptable

Besides a focus on serendipity and biophilia, the future viability of this site is maintained by other design principles as well: circularity and sustainability. Bolt or screw connections are easily accessed and enable deconstruction of the individual units. Temporary walls and sliding doors are designed to guarantee the building’s future adaptability.

The aim is to create resilient architecture that fits both current and future needs.

3XN, architects

As regards the choice of materials, the master plan envisages use of recycled and recyclable materials. For the most part, the structure and facade of the buildings will be made of timber. A floor-to-ceiling height of 4.5 metres was chosen to allow maximum adaptability. “The aim is to create resilient architecture that fits both current and future needs,” the architects say.

Staircase, Ecotope Campus, timber construction, master plan, 3XN, EPFL, Lausanne, Switzerland
Outside and inside the building, timber dominates as a climate-friendly construction material.

Grätzel cell generates power

Nowadays, it goes without saying that the building will use minimum energy while producing as much of its own energy requirements as possible. A compact building volume, photovoltaic panels, natural ventilation and evaporative cooling will play a part in this.

An invention by one of the institute’s researchers could also help the building achieve the greatest possible degree of independence for its energy needs: the “Grätzel cell” is a bionics application that converts light energy into electrical energy.

Ecotope Campus, timber construction, master plan, 3XN, EPFL, Lausanne, Switzerland
The grounds are connected via a green main pathway that is designed to bring people together.

Unlike with conventional solar cells, this enables transparent coloured panels to create an active facade. It was invented by Michael Grätzel, a Swiss chemist and professor at EPFL.

Grätzel has won numerous science awards for his discovery. And Ecotope is now expected to keep this research institute at the cutting edge with its architecture as well.

Text: Gertraud Gerst
Translation: Rosemary Bridger-Lippe
Visualizations: 3XN

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Hamburg sets a new benchmark

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Village life in the city
#greenbuilding
Village life in the city

Communal vegetable patches, car sharing and a timber building that overtops many others. Sweden’s largest housing cooperative is celebrating its 100th anniversary with a project called Västerbroplan that shows how people will live in the future.

A superlative tree house
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A superlative tree house

Bearing the name Tree House Rotterdam, Holland’s new landmark-to-be looks like a gigantic stack of wooden shelves with glass lofts added on top. It aims to take the sustainability of timber high-rises to a new level.

Co-housing 2.0
#living
Co-housing 2.0

Three tonnes of lettuce and vegetables annually will be farmed on top of the We-House, a timber construction project in Hamburg’s HafenCity. The on-site restaurant serves meals for residents of this sophisticated eco-house at cost price.

The parametric office
#smart office
The parametric office

The design for the urban office building Saint Denis in Paris shows the potential of parametric design in timber construction. Architect Arthur Mamou-Mani is a luminary in this new discipline, and we were able to meet him online.

Wood on London’s skyline
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Wood on London’s skyline

Researchers at Cambridge University are helping to turn London’s spectacular vision of a wooden skyscraper into reality. The Oakwood Timber Tower is to rise 300 metres into the sky, almost level with the tallest building in the city.

Vertical allotments for urban farming
#city planning
Vertical allotments for urban farming

Self-sufficiency is no longer a dream reserved for downshifters. The modular building system named The Farmhouse designed by Studio Precht allows residents to grow food in big cities.

Timber pavilion with high-tech design
#greenbuilding
Timber pavilion with high-tech design

Homerton College at the University of Cambridge has chosen the design by Alison Brooks Architects for a pavilion that combines modern timber construction with high-tech facilities. It is expected to be a future-facing answer to their needs.

Green, greener, Växjö!
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Green, greener, Växjö!

The Swedish university city of Växjö has been named “the Greenest City in Europe”. Half of all its new buildings have been built with timber. But the city plans to go even further.

Timber through and through
#city planning
Timber through and through

The Scandinavians have shown their pioneering strength once again, this time in the design for a new cultural centre. The Sara Kulturhus in Sweden’s Skellefteå is among the world’s tallest high-rise structures built entirely from wood.

The exported timber high-rise
#greenbuilding
The exported timber high-rise

When it comes to timber construction engineering, the United States has been lagging behind other countries. Ascent Tower in Milwaukee aims to change this. Topping out as the world’s tallest timber tower at a height of 284 feet, the building uses expertise and structural elements from Austria.

Shopping inside a timber canyon
#interior
Shopping inside a timber canyon

As many as 40,000 pieces of wood had to be fitted together for the gift shop in the National Museum of Qatar. The inspiration behind this award-winning interior design was supplied by a miracle of nature in Qatar’s desert.

The tallest passive house in the world
#greenbuilding
The tallest passive house in the world

Canada’s Earth Tower aims to outshine all existing timber high-rise buildings. Its energy concept means that this 40-storey skyscraper in Vancouver will be the world’s tallest passive house.

Replacing concrete with earth
#greenbuilding
Replacing concrete with earth

On the edge of the tropical rainforest in Mexico, a research museum will explore how nature and progress can be reconciled. Known as Xinatli, its sophisticated design takes a fresh look at circular building materials.

Back to the roots
#living
Back to the roots

The eco-friendly residential project Roots will be the new landmark of Hamburg’s HafenCity and the tallest timber high-rise in Germany. Architect Jan Störmer reveals what its future residents will have in common.

Timber with talent and technology
#greenbuilding
Timber with talent and technology

The Danish office 3XN is planning to build North America’s tallest timber office building in Toronto. Called T3 Bayside, the complex will offer more than 500,000 sq. ft. of next-generation office space when completed.

Back to the future
#city planning
Back to the future

Oslo was once built entirely of wood. The project chosen to redesign the area around its railway station heralds the return of this traditional building material to the Scandinavian metropolis. A spectacular office tower with an innovative hub is being developed, named Fjordporten.

Forest bathing on your doorstep
#greenbuilding
Forest bathing on your doorstep

Dutch architectural firm Gaaga has designed a residential building in Eindhoven that is distinctly people- and environment-friendly. Surrounded by trees, it is situated in the middle of a park.

A design hotel on a bunker
A design hotel on a bunker

The redevelopment of an above-ground Nazi-era bunker is Hamburg’s largest building project since the Elbe Philharmonic Concert Hall. With spectacular rooftop gardens and nhow Hamburg design hotel, this new landmark in the heart of the St. Pauli district is sure to become a magnet for visitors.

The tessellated pavilion
#greenbuilding
The tessellated pavilion

Japanese architect Kengo Kuma and Australian artist Geoff Nees teamed up to design the Botanical Pavilion – a wooden pavilion that is constructed like a 3D puzzle – without using any kind of glue or screws.

The house made by 3D printers
#greenbuilding
The house made by 3D printers

The round construction known as TECLA has created quite a stir. Having teamed up as 3D printing pioneers, WASP and Mario Cucinella Architects have produced the first CO₂-free housing prototype printed entirely from raw earth.

Origami in wood
#greenbuilding
Origami in wood

Japanese architectural firm UENOA has created a wooden office that has no need for bearing walls. Folded origami-style, the ceiling construction gives a whole new lightness to cross-laminated timber.

“Climate change changes everything”
#greenbuilding
“Climate change changes everything”

Sustainability is a top priority for the Powerhouse Company. In an interview, partner Stefan Prins explains why this means more than just a careful choice of materials and energy efficiency, and how essential it is to consider all the changes brought about by climate change when building.

A timber high-rise goes into production
#greenbuilding
A timber high-rise goes into production

The Life Cycle Tower One was the first timber high-rise in Austria and the prototype for a new type of serial construction. CREE founder Hubert Rhomberg explains the green building concept and why we have to learn to think in lifecycles.

Timber housing on a modest budget
#greenbuilding
Timber housing on a modest budget

Most people looking for a new home with a sustainable design need to have deep pockets. Rotterdam’s Pendrecht district aims to buck this trend courtesy of timber building Valckensteyn, the brainchild of the architects at Powerhouse Company.

All in the name
#greenbuilding
All in the name

In Düsseldorf, The Cradle is gradually taking shape. The timber hybrid office building is being constructed according to circular economy principles, and these will also govern its future use.

Twin peaks for the Netherlands
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Twin peaks for the Netherlands

The Dutch city of Eindhoven will soon be home to the world’s highest “plyscraper”. The two towers – 100 and 130 metres high and known as the Dutch Mountains – are to set new standards in high-rise timber construction.

New Kiez on the Block
#city planning
New Kiez on the Block

An entire residential complex in Berlin-Kreuzberg is to be built out of timber – vertically. With a planned height of almost 100 metres, WoHo is set to be Germany’s tallest timber building.

Crowned with timber
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Crowned with timber

A mixed-use project in Sweden’s Gothenburg is being crowned by star architect Dorte Mandrup. The jewel in this crown is its use of timber. The new eco construction is intended to become an icon in sustainable urban architecture.

Feel-good furniture
#interior
Feel-good furniture

Designed by US architect David Rockwell, built according to WELL Building Standard principles. The Sage Collection by British furniture maker Benchmark is good for humans and the environment.

Plyscraper on Lake Geneva
#city planning
Plyscraper on Lake Geneva

Swiss urban planning combines prominent architecture with ecological timber construction. Lausanne’s Tilia Tower is setting a high standard in future-proof urban development.

A district made of wood
#city planning
A district made of wood

Munich’s Prinz-Eugen-Park is the site of the largest integrated timber settlement in Germany. And that’s not all – the city planners have even more in the pipeline.

Gare Maritime restored in timber splendour
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Gare Maritime restored in timber splendour

Once Europe’s largest freight station, Brussels’ monumental Gare Maritime is now the largest European CLT project. Neutelings Riedijk Architects have transformed the historic structure into a covered district, giving it a sustainable new lease of life using cross-laminated timber.

Sydney hosts a timber innovation
#greenbuilding
Sydney hosts a timber innovation

The plans just unveiled for the new, 180-metre-high timber tower designed for the Sydney-based software giant Atlassian represent a milestone in environmentally friendly construction using this renewable raw material.

Baptism of fire
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Baptism of fire

Charred is the new black. An ancient Japanese technique for conserving wood is all the rage in contemporary architecture. As well as looking sophisticated, this building material scores top marks when it comes to sustainability.