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Showing posts with label ecological design. Show all posts
Showing posts with label ecological design. Show all posts

Wednesday, September 28, 2011

Experimenting in Public: Metropol Parasol, Seville, by Jürgen Mayer H.







Seville’s public squares
come in all shapes and sizes. Some are large and officious, others small and
illicit; some are patronized by conservative families in their Sunday best,
while others are taken over by rowdy radicals in their Thursday-night gear. The
life of Seville’s plazas changes with the time of the day, the day of the week
and the fiesta of the month.





Yes, public space is still
‘public’ in Spain, meaning it is a charged, highly contested area of gentle
conflict. Progress may have usurped the role of public space in much of the
rest of the world – or packaged it into a cheesy, sanitized theme-park
‘experience’ – but here it is still considered vital for purposes of leisure,
commerce, ritual, making yourself heard, or simply seeing and being seen. This
is especially the case in Seville, where stepping out the door requires
spending at least half an hour in front of the bathroom mirror – or else risk
being mistaken for a guiri
(Spanish slang
for ‘tourist’). Squares are even among the favourite subjects of joking
complaints by Sevillanos,
almost up there
with politics and football. The riddler’s question most often comes down to why
so many contemporary plazas are duras

(hard-paved), which is to say treeless, soulless and inhospitable. Answer: so
that guiris
can sunbathe there.




This criticism does not
apply, however, to Jürgen Mayer H's Metropol Parasol, a multi-level, multi-use
redevelopment of the centrally situated Plaza de la Encarnación that locals
have already dubbed ‘las setas’
(the mushrooms).
Generously shading the square – now elevated over a market, boutiques and an
archaeology museum – is an expansive waffled-timber canopy that looks much more
like a grove of stone pines (Pinus pinea
,
interestingly referred to as the ‘parasol pine’) than a cluster of mushrooms,
magical or not. But not to worry: Seville’s esteemed citizens have already
found other aspects of Metropol Parasol to criticize, such as serious cost
overruns and delays. Such grievances are, of course, indisputable. But I do
wish to make the following case before the court of public opinion that has
emerged over this structure: a work of public architecture is worth significant
extra investment when, as here, it experiments and takes risks in pursuit of a
more ecological way of building intended to benefit future generations. Admittedly,
the construction of schools and day-care centres should not have been put on
hold for the sake of a single high-profile building project, but architecture
that builds new knowledge is equally important. We need both. 





Let’s begin with the facts.
Plaza de la Encarnación is a square at the centre of Seville’s extensive
historical core originally occupied by a medieval convent and, later, a 19th century
market hall demolished in 1973. After that, for almost four decades, the site
was surrounded by metal hoarding initially erected for the construction of an
underground car park; a project that had to be abandoned when ancient Roman archaeological remains were encountered. The hoarding remained during the
subsequent archaeological excavation as well as throughout the lengthy
construction of Metropol Parasol.





The programme of Jürgen
Mayer H's redesign of the square – the winner of a 2004 competition – comprises
an archaeology museum, a market, and a plaza with a vast, habitable parasol-like
structure supported by six columns that rest on foundation pilings remaining
from the discontinued car park. Construction of Metropol Parasol encountered
delays and cost overruns caused by the complexity of building over
archaeological remains, as well as by the complexity of the parasol itself.
Using exposed laminated timber for the first time on such a large scale and in
such a hot climate necessitated the development of a new method for protecting
wood from high levels of ultraviolet radiation and heat.






Yes, Metropol Parasol is experimental. But the experimentation was not undertaken purely for the sake of form. This investigation focused on the formal possibilities of a construction system new to a climate zone that occasionally sets global high-temperature records. By curving, folding and nurbing the parasol, the architects tested the permutations and possibilities of the system. It is experimental architecture at its best, if you ask me, because the inventions developed to make this structure endure offer lessons and new possibilities for application. So why not simply use good old steel or concrete instead of wood? Because wood is the building material of the future. Wood is not only renewable; it also sequesters carbon, making it perform even better than a carbon-neutral building material. Finding new, more complex applications for wood is crucial today, especially in conditions of intense heat – a scenario that awaits more and more regions of the planet.




How better to catalyze a research agenda than by way of an ambitious public-space project that produces findings for everyone to see and (bonus!) to enjoy. Architecture is the most public of the arts, and when it involves extensive research and development, as this project does, it builds public, open-source knowledge. Spain is often criticized for investing less than other European countries in research and development. I wonder how the rankings would look if experimental public architecture were part of the equation.





This less-visible, long-term aspect of Metropol Parasol should be taken into consideration if the project is to enjoy a fair trial in the court of public opinion. But even leaving aside its value in terms of embodied knowledge, Metropol Parasol is fantastic as a public space, a fact that cannot be denied. It is a work of art imitating nature, a strategy that makes much more sense in a dense historical urban context than the addition of just another building. Metropol Parasol is an adventure-filled promenade of unexpected delights to walk over, under, around and through. Beneath the canopy, a generous stairway leads from Calle Imagen, the busiest street in the heart of the city, to the elevated plaza.  Reminiscent of the Spanish Steps in Rome, these wide stairs invite pedestrians to linger and relax. The rather baroque handrails terminate by turning in broad arcs, closing in on themselves to enclose micro-gardens and openings through which archaeological remains can be seen below. The elevated plaza is a spacious surface designed to host all sorts of events, including the Holy Week procession, Seville’s most important traditional fiesta. 




Metropol Parasol is still too new to judge how well it will be appropriated and whether it will become an organic, living part of this vital historical city. For this to happen, the controversy has to die down, the politicians have to move on to other issues, and Sevillanos have to stop looking at the structure as a foreign intrusion and truly make it theirs. It is, after all, a public space both simple and complex enough to offer something for everyone. Unlike most icons, which are semi-public if not outright private, this square is open 24/7 and of interest to one and all, not just to architects and guiris. Hey: experimenting in public is not a crime.






[Originally published in Mark Magazine #33]




POSTSCRIPT:

This article was written before the events of May 2011, when public squares in all major cities in Spain became sites of spontaneous protest against high unemployment, corruption, and a distancing of political leadership from citizens.  Plaza de Encarnación became Seville's site of spontaneous protest (as can be seen here), specifically Calle Imagen and the "Spanish Steps" leading to the elevated plaza. 







Monday, June 13, 2011

Experimental Architecture Without Architects






A Green School classroom








The Green School auditorium






Bamboo joinery details




Bamboo is an ancient building material that fell largely out of favor in the twentieth century, only to be used as scaffolding in the construction of Asian skyscrapers or else to create atmosphere in polynesian-themed bars and restaurants that serve cocktails decorated with miniature umbrellas. But that may be changing now as our addiction to concrete is proving to be unsustainable. Good old bamboo is making a comeback as a “green” building material: it is natural, very fast-growing, light-weight, strong, flexible, affordable, and requires relatively little maintenance. Its only disadvantages are that it deteriorates when exposed to direct sunshine and certain kinds of insects like to feed on it.  The other thing about bamboo is that, in structural applications, it has to be used whole. It can’t be sawn into lumber the way wood can. Bamboo structures are then, by their very nature, rather rustic and imprecise--the opposite of contemporary Swiss architecture. 






What is most remarkable about the Green School in Bali is the architectural experimentation that is being undertaken. Altogether, these structures comprise a veritable catalogue of countless ways that bamboo can be used as a building material. Especially impressive are the sizable column-free spans that have been achieved by means of long arches of bundled bamboo, and the beauty of latticed column structures. 




Thursday, May 19, 2011

Blackwash





You wouldn’t know it from looking at photographs such as these. You wouldn’t even know it if you were standing in front of the building itself. And you would definitely never suspect it knowing the architects are RCR Aranda Pigem Vilalta, the Catalan trio known for its uncompromisingly architectural architecture. No, you would only know it if someone in the know made it known: this is a “green” building; LEED certified and all. 
So where, you might well ask, are the photovoltaic panels, the wind turbines, or the nitrogen-inflatable EFTE pillows? Why isn’t the building set in a Teletubbies landscape? And considering this is a private-sector commercial office building: where is the eco-lifestyle advertising billboard that doubles to greenwash the corporate brand? No, this building does not make hay out of the tons of CO2 that it prevents from being emitted annually into the atmosphere, nor does it show off its rooftop photovoltaic panels, solar hot water heating system, or grey water-flushing toilets (thank goodness).
On the other hand, this building does make ordinary sheet steel (recycled and recyclable, of course) look like slabs of marble à la Barcelona Pavilion; it makes a two-way reflective glass interior light-well recall a Dan Graham installation; and it manages to visually appropriate the neighboring Repsol service station (designed by Norman Foster) in order to transform it into a piece of corporate sculpture in a plaza. Could it finally be that designing a building that saves energy and natural resources no longer needs to look like it’s doing so, and that it might actually even delight us in the process?





[originally published in Mark Magazine #31]



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