by Jincy IypePublished on : Aug 08, 2022
What happens when a net zero building meets a human-centred, holistic design approach? Global architectural firm UNStudio teaches by example with their recently completed project ECHO, the new energy-generating interfaculty teaching building at TU Delft in the Netherlands. Future flexibility and elevated wellbeing of the university building's users were considered key aspects driving the ethos of the project, from getting maximum daylight to generating clean energy on its own, as well as ensuring the cleanest air quality for students and faculty alike. A healthy building promoting a healthy sense of being, physically, psychologically and socially.
Five years in the making (2017-2022), ECHO is being heralded as the most sustainable building at the Technical University Delft, contributing to the university’s ambitions to operate as a fully sustainable campus by 2030.
Harvesting and producing more energy than it consumes, ECHO combats the growing number of students and their need for more educational space with its multifaceted design, meeting the acclaimed Dutch university's requirement for extra teaching spaces as well, "now and in the future". The Dutch architectural firm relays that the project "transcends current learning environments (as) a model for new ways of learning and for future campus buildings."
How does ECHO produces more energy than it uses?
UNStudio confirms that a great deal of attention was paid to the environmental impact of the materials employed in the construction, as the building has been pragmatically designed as closely as possible to principles of circularity, as a "negative" energy structure.
A roof fitted with 1,200 solar panels, smart installations generously dotting the structure’s layout, materials that ensure optimum insulation coupled with a ground-based heat and cold storage system ensure that the educational architecture is prepared to deliver more energy (and that too clean) than it requires for its day-to-day operations – this includes user-related energy, such as electricity consumption for laptops, lighting and catering.
Upping its sustainability credentials is the fact that 90 per cent of the furniture employed has also wither been reused, recycled or upcycled. The featured steel trusses have standard sizes that can be dismantled for reuse elsewhere in the future, along with the hollow-core slabs, once they outgrow their function in the lifespan of the building.
How does ECHO prioritises well-being through design?
According to the Dutch architects, "transparency" forms the building’s cornerstone. Massive glass facades defining the contemporary architecture draw in daylight in abundance, abiding by the known benefits of natural light on human health and productivity, as well as significantly reducing the need for artificial lighting. The glass elevations also step away from the archetypal, closed-in, 'institutional' experience of such typologies, providing ECHO with an open, airy and public character that successfully bonds the two sides of the campus. The interiors flooded with daylight provide a bright, uplifting and welcoming space for its daily users.
Having mentioned that, it is also necessary to note that a direct by-product of transparent facades also leads to the building overheating, so the amount of light entering the volume had to be controlled and precise - this was done by preventing excess penetration of the sun by a combination of methodical protection provided by deep horizontal aluminium awnings, apart from choosing glass with a low solar penetration factor. These sleek aluminium canopies, or “smart wings”, are unified by cables along which climbing plants are imposed to form a delicate green facade that filters daylight, subtly softening the rigid, straight lined nature of the structure.
A plenum floor is installed above the hollow-core slabs of the building to ensure clean air - fresh air is pumped up from the floor, rather than down from above, avoiding mindless circulation around the room, choreographing a cleaner – essentially, this is a low-speed system that creates more efficient wind path that formulates a healthier living zone for people. "The vents for this system, along with the computer floor installation, can easily be relocated, should the layouts of the rooms change in the future," informs the architectural and design firm headquartered in Amsterdam.
How does ECHO ascertain healthy way-finding and amplified human interaction?
The strict yet friendly aura of the uber-modern educational building is fitted with multifunctional spaces that seek to “transcend” present-day learning environments. “The design supports the contemporary culture of Everything Anywhere, where the in-between spaces are also of great importance and physical movement is stimulated. ECHO therefore, also provides space for unstructured time: a variety of platforms for reflection, inspiration and communication," relays Arjan Dingste, Director and Senior Architect at UNStudio.
ECHO's interior design juxtaposes its glassy, stern exterior with warmth, backed by curving, soft edges surfaces that mingle with straight lines, details and accents in kind timber that brighten up the space, and a copious amount of informal study spots that eases the institution's architectural nobility.
One of the most delicate and integral parts that define ECHO's spatiality are the bamboo ribs that extend along the ceiling inside, at specific positions. The bamboo's crafted aesthetic advances around the distinctive, winding central staircase that marries the study and cooperation spaces as one coherent world of learning and collaboration, in one swift gesture. The central position of the grand stair also facilitates physical movement through the building, visually drawing the eye and promoting intuitive walking further into the building, contributing to the users' health.
"We were interested in making an open atrium space because through that, we had an opportunity to create a very comfortable way-finding strategy, so that you would always know where to walk in the building,” relays van Berkel.
The massive 700-seater lecture hall as well as the debate space form two sculptural spatial volumes that also direct the major flow of users and visitors across this covered square. "The diagonal orientation of these volumes simultaneously defines two large transparent corners, one housing a restaurant with terrace opposite the D:Dreamhall, and the other a large study landscape,” elaborates the design team.
Jaap-Willem Kleijwegt, Senior Architect and Associate at UNStudio elaborates, “it has to be flexible because lots of faculties demand different things, it was a key aspect. The main thing with the auditorium is that it houses 700 people… (but) the room can actually be split into three separate rooms.”
Hefty portal constructions with large grid sizes were used, where columns run only on the edge of the building, producing column-free, expansive spaces with beautifully large spans that create more room for flexible spaces to be added or altered.
How does ECHO offer agile, "flexible" learning and teaching spaces?
Flexibility has been built in from the beginning for the “future-proof” 8,844 sqm building, which reserves extensive spaces for lectures and tutorials, collaborative group work, project-based teaching, debates and self-study catering to over 1,700 students within lecture rooms, classrooms and an array of well-planned study spaces. ECHO hosts seven teaching rooms with a flexible layout - the largest one is the lecture room on the ground floor that can be adapted into three distinct rooms within a span of 15 minutes, enabling multiple lectures or events to take place simultaneously.
A similar movable wall system was fitted in the mixed didactic space on the first level, where it can be divided into two classrooms of 144 seats each if and when required. The 300-plus study spaces peppered throughout the institution can be used for group work as well as self-studying.
Current, as well as future needs of the professors and students, drive the design of the various teaching rooms. Additionally, a case-study room remains particularly suitable for motivational teaching and interaction between lecturers and students, apart from the four-level rooms for project-based teaching, each accommodating almost 70 people.
Office spaces on the second floor employ a modular wall system that allows for future alterations to the room's spatial layout. In the future, should there arise a requirement for functional changes, these office areas can be transformed into educative spaces with the least disturbance.
"A future-proof campus is an active campus. ECHO not only connects with the surrounding public space, it also defines it. The adjacent square continues through the transparent ground floor of the building and connects with the street on the other side, turning the ground floor of Echo into a covered public square and a public connector that makes the invisible world of learning a visible and engaging experience,” says van Berkel, highlighting the myriad ways in which TU Delft’s newly acquired green building elevates academic learning and discourse, in a contemporary design that heroes the human-centric spatial experience.
ECHO's architectural and design virtues also ignite a discussion where institutional typologies such as these carry the potential to transform into multifaceted spaces functioning as non-academic ones, of hosting cultural and community-focused initiatives as well.
Name: ECHO Location: Mekelweg 5, 2628 CD Delft, the Netherlands Area: 8844 sqm (GFA); ca. 53 000 m3 (building volume); ca. 4 000 sqm (building site) Client: TU Delft Architect: UNStudio Design team: Ben van Berkel, Arjan Dingsté with Marianthi Tatari, Jaap-Willem Kleijwegt, Ariane Stracke and Piotr Kluszczynski, Thys Schreij, Mitchel Verkuijlen, Bogdan Chipara, Krishna Duddumpudi, Fabio Negozio, Vladislava Parfjonova, Marian Mihaescu, Ajay Saini, Ryan Henriksen, Shangzi Tu, Xinyu Wang Structural Engineer, MEP and Building Physics: Arup Building Cost Consultant: BBN Contractor: BAM Bouw en Techniek Project Management and Construction Management: Stevens van Dijck
Jincy writes and researches content centred on the best of global design and architecture. An architect by training, she enjoys picking the minds of creatives and weaving their ideas and works onto worded tapestries.
Jincy writes and researches content centred on the best of global design and architecture. An architect by training, she enjoys picking the minds of creatives and weaving their ideas and works onto worded tapestries.
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