Architecture, urban planning and research in, on and next to water
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Nederlandse golfbreker wekt energie op

By Michiel de Vries
RTL Nieuws
December.23.2015

 

Een Nederlands architectenbureau heeft een ontwerp gemaakt voor een golfbreker aan de oostkust van de Verenigde Staten. Bijzonder: het bouwwerk wekt ook energie op.

De drijvende golfbreker bestaat uit een reeks cilinders van bijna een meter in doorsnee. De elektriciteit wordt opgewekt doordat deze cilinders meedraaien met de stroming en de golven. Het bouwwerk wordt ‘the Parthenon project’ genoemd, omdat de pijpen erg lijken op de zuilen van het Parthenon in Griekenland.

Het ontwerp van de golfbreker komt van de Waterstudio in Rijswijk, een architectenbureau dat zich al jaren specialiseert in drijvende structuren om zo creatief om te gaan met problemen rond de stijgende zeespiegel en overstromingen. Ze maken van alles: van watervilla’s tot drijvende cruiseterminals.

Orkaan Sandy
​Het bouwwerk maakt onderdeel uit van een groter project voor het veilig maken van New York en omliggende stedelijke gebieden. Aanleiding is orkaan Sandy, die in 2012 voor tientallen miljarden schade veroorzaakte aan de oostkust van de Verenigde Staten. Veel Nederlandse bedrijven en kennis wordt hier nu ingezet om de kust te verstevigen. Nederlandse ingenieursbedrijven, zoals Royal Haskoning en Arcadis, hopen een goede boterham te kunnen verdienen aan de infrastructuurplannen, schreef RTL Nieuws-correspondent Erik Mouthaan al eerder.

“Het momentum voor dit soort innovaties is absoluut nu daar aanwezig”, zegt ook Koen Olthuis van Waterstudio tegen RTLZ Toekomstmakers.

Het bureau paste het concept van the Parthenon project toe bij een haven op de Hudson-rivier bij New York (zie inzet hierboven). De golven zijn daar zó hevig dat een sterke maar flexibele zeewering nodig is om de boten te beschermen. De cilinders van het Parthenon project zijn flexibel: ze zijn met water gevuld en draaien langzaam, de een met de klok mee en de andere tegen de klok in. De energie wordt vastgelegd in een betonnen bak in het drijvende platform.

Olthuis laat aan RTL Z Toekomstmakers weten in gesprek te zijn met de Amerikaanse staat New Jersey en een havenontwikkelaar. Het ontwerp gaat hierna de ‘detailed engineering-fase’ in. De verwachting is dat een gedeelte van het prototype in het derde kwartaal van 2016 getest kan worden. “Als alles volgens plan gaat en de vergunningen er op tijd zijn, dan willen we in 2017 de golfbreker actief hebben.”

 

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Waterstudio’s floating sea wall harvests blue energy from crashing water

By Tafline Laylin
Inhabitat
December.2015

 

Certain world leaders might be dragging their feet on addressing climate change, but in the meantime, Koen Olthuis and the rest of the Waterstudio crew are working on solutions that we can use today. The Blue energy floating sea wall is a floating breakwater that doubles as an energy generator. Called The Parthenon, the floating breakwater not only stems the crash of water pushing into a harbor, but harvests the tremendous energy a wall of water like that can generate.

Waterstudio used the Hudson River to illustrate their new design’s function. “In a harbour on the Hudson river in New York the wave conditions are so strong that a sea wall must protect its boats. The strong current in the river is constantly attacking it and water is pushing itself against and through the fixed wall, which results in more corrosion of the sea wall every year.”

The floating sea wall acts as a permeable breakwater that converts the wave power into electrical energy while reducing the waves’ impact on the harbor at the same time. “The floating breakwater lives with the force of the river instead of fighting it,” they told Inhabitat in an email.

Related: Aquatect Koen Olthuis tells Inhabitat how to embrace rising sea levels

The columns of the sea wall are comprised of 3-foot cylinders that rotate – both clockwise and counter clockwise – at low speed. The energy created by this rotation is then captured in a concrete box inside the floating platform. The cylinders are filled with water to give the structure flexibility without affecting in any way the efficacy of the wall in reducing the wave’s impact on the harbor. The whole thing is then anchored to the riverbed, and the top can double as an urban green space or boulevard.

“The Parthenon blue energy sea wall resembles the column structure of the famous ancient temple in Greece,” according to Waterstudio, “but divers see it as a part of the sunken city of Atlantis.”

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The Floating Dutchman

By Kerstin Schweighöfer
FUTURE PERFECT
December 2015

 

Koen Olthuis | © Architect Koen Olthuis, Waterstudio.NL

The Citadel is a floating apartment complex near Naaldwijk, Netherlands. | © Architect Koen Olthuis, Waterstudio.NL

 

THE FLOATING DUTCHMAN

In the tradition of his water-taming nation, Dutchman Koen Olthuis designs floating islands to dwell and live on – not least because climate change calls for new solutions in architecture.

A vacation doesn’t get more wonderful than this: a white sandy beach, a green-blue, glistening sea and an exotic underwater world to thrill any snorkeling enthusiast. All you have to do to explore it is jump into the Indian Ocean from your personal jetty, because the elegant vacation villa where you’re staying is floating on the water. In a Maldivian lagoon, this dream is currently becoming a reality as the construction of 185 floating vacation homes is currently underway. They’re arranged in the shape of a giant flower on the water. Hence the name of the project: Ocean Flower.

It was designed by Koen Olthuis, a Dutch architect who is considered a pioneer of what is called Aqua Architecture: “I build exclusively on the water,” says the 44-year-old with a strawberry-blonde mop of curly hair. His buildings are made to withstand floods and climate change because everything Olthuis designs can adapt to the level of the sea. It is not by accident that his office in Rijswijk near The Hague bears the name waterstudio.nl.

Bracing for climate change, without leaving a trace

In order to make such bold projects as the Ocean Flower a reality, Olthuis partnered with a fellow Dutchman, project developer Paul van de Camp, to found the company Dutch Docklands. It buys water properties all over the world to use them as building sites. This opens up completely new perspectives – not only for densely populated cities or countries where building sites are in short supply and hence, expensive: “It also helps residents protect themselves from the consequences of climate change.”

There is a reason Dutch Docklands launched its first project in the Maldives. It’s not just to cater to the recreational interests of spoiled tourists: The 300,000 inhabitants of the island nation will soon literally be up to their necks in water, because 80 percent of the Maldives are located barely a metre above sea level. The government had already announced plans to buy to land elsewhere in order to survive. Until Olthuis and van de Camp assured them that this was quite unnecessary: “We made the President of the Maldives understand that climate refugees can be pioneers of climate management,” said Olthuis. They understood immediately.

The Ocean Flower is just the beginning: Four more lagoons with floating vacation lodges are to follow, as well as a floating conference centre and one of the world’s most spectacular golf courses that will spread over several man-made islands to be connected by underwater glass tunnels.

And all this can be done without leaving a trace in nature or inflicting any damage, for Dutch Docklands is committed to what it calls the scarless approach: “Our units can float anywhere on the water for 200 years, yet if the area is needed for some other purpose, they can just be hauled away,” Olthuis explains. They will be gone without a trace.

The Dutch know how to live with the water

It isn’t surprising that the pioneers of Aqua Architecture are Dutch: Like no other people, the nation at the mouth of the Rhine River has spent centuries learning to tame the water or to keep it in check with dikes, dams and levees. As the proverb goes: “God created the world – and the Dutch the Netherlands.”

Whether it is in New Orleans or in Bangladesh: The expertise of Dutch hydraulic engineers and architects is in high demand throughout the world – today more so than ever, thanks to climate change, which brings swelling rivers, rising sea levels and more catastrophic floods around the globe.

The Dutch have long recognized that building ever higher dams won’t be enough. Therefore, the former nemesis is instead given more space: Polders are being flooded, retention basins are being built, tributaries being carved out and filled-up canals dug free again.

The old seafaring nation now has even less residential land available. Yet the Dutch discovered that the flooded polders and artificial water basins offer more benefits than just a controlled channeling of excess water.

Trend and challenge of generation climate change

As a consequence, aqua living has since become a trend in the Netherlands; all over the country, people reside in what is called waterwoningen. Their foundation consists of a concrete tub filled with Styrofoam, which is considered unsinkable. To keep them in place, they are moored to poles with rings so they can easily adapt to rising sea levels. Electricity and water lines are connected via hoses and cables.

Olthuis has designed countless waterwoningen: transparent villas sitting elegantly on the water, such as in Aalsmeer, Zwolle, Leiden or Amsterdam, which received an entire floating neighborhood in 2012, the steigereiland. In Antwerp, Olthuis designed a floating boulevard on the Scheldt, in Paris he created a restaurant on the Seine. And in a polder between The Hague and Delft, he wants to build de Citadel, Europe’s first floating apartment complex on a foundation of 140 by 90 metres. “Technologically speaking, all of this is easy to do,” he stresses.

The technology developed and patented by Olthuis virtually eliminates size limits on foundations for waterwoningen. In other words, the foundation can be a platform large enough to accommodate entire blocks of houses, complete with yards and parking garages: “The larger an object, the more stable it is on the water,” the architect explains.

Olthuis is therefore convinced: The city of the future consists of floating platforms that can be moved around like floes of ice. “It will evolve one step at a time,” the bold Dutchman predicts: The next fifteen years will see churches, schools and sports fields move out onto the water, then in 50 years, we will have platforms as large as 200 by 200 metres, with houses, roads and parks – until a century from now, the city of the future will be a reality: a flexible delta-metropolis of floating elements. For Olthuis, this new type of urban design, this new flexibility is “the great challenge for the architects of the climate change generation.”

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Nederlandse architect ontwerpt duurzame golfbreker

By Duurzaamheidsleven.nl
December.22.2015

 

Architect Koen Olthuis van architectenbureau Waterstudio heeft een duurzame golfbreker voor een haven aan de Hudson rivier in New York ontworpen. De dijk beschermt niet alleen de boten, maar genereert ook energie.

Golfbreker De Panthenon is ontworpen voor een haven aan de Hudson rivier waar de golven sterk zijn. Het design geeft de golfbreker een dubbelfunctie: door het water niet tegen te houden zoals een gewone golfbreker, maar het water door de muur te laten stromen ontstaat er de mogelijkheid om energie op te wekken. De opgewekte energie wordt opgeslagen in een betonnen box achter de pilaren.

De Panthenon is niet de eerste golfbreker die een dubbelfunctie heeft. Bij Denemarken is een hybride windmolen geplaatst door de Duitste start-up Nemos. Deze windmolen gebruikt naast wind ook golven om energie op te wekken. Dankzij drijvers die aan de windmolen verbonden zijn, kan er extra energie opgewekt worden.

Veel technieken die de stroming van het water gebruiken, liggen deels boven water. Net als de Panthenon ligt bij New Wave Technology, eveneens ontworpen door Teamwork Technology, het systeem volledig onderwater. De stroming van het water zorgt ervoor dat de drijvers onderwater energie genereren. Een eerdere versie van de New Wave Technology werd tot 2008 door het Nederlandse bedrijf Teamwork Technology getest in Portugal.

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Floating Sea Wall Makes Energy from Rivers

By Samantha Joe
The Green Optimistic
December.10.2015

 

Waterstudio, led by Koen Olthuis, is a Dutch firm that explores solutions in urban planning and research as it relates to water. One of their concepts is a floating sea wall, named The Parthenon.

The Parthenon serves multiple purposes: it slows water as it pushes into a harbor, and harvests the energy that water generates.

The concept of the floating sea wall was illustrated using the Hudson River in New York, a 315-mile long river that runs through the eastern part of the state. With 39 percent

of the American population living on the shorelines of the country, harnessing water as an energy supply would be a strategic move.

In a harbor like one in the Hudson River, the waves are so strong that a sea wall protects the boats inside of it. The strong current continuously pushes water against and through this fixed wall, resulting in more and more damage of the wall.

With a floating sea wall like the one made by Waterstudio, not only with the wall work with the force of the current, it will use the water’s movement to generate electricity. Made up of many columns, they rotate at a low speed to create energy.

The cylinders are filled with water to ensure that there is a certain amount of flexibility in the structure without reducing the effectiveness in protecting the harbor. This energy is then contained in a box inside the floating platform. The entire structure is anchored to the riverbed, while the top can be utilized in different ways, such as a boulevard, a harbor extension, or for green space.

 

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1st Scientific paper on researching wetslums was published

Slum Upgrading: Assessing the Importance of Location A plea for a spatial approach as an integral component; view online (free till Nov 1st)

Abstract

The world population is growing rapidly and much of that growth is happening in urban areas. In developing countries, this process is often accompanied by the formation and expansion of slums. A variety of slum upgrading projects have been implemented to improve the living conditions of slum dwellers however a wide study to investigate the objectives of slum upgrading projects highlighted that environmental features were of low priority compared to basic services and infrastructure. The paper deduces this to be a result of the dominance of UN’s household-based definition of slums which lacks emphasis on the locational aspects. An aerial analysis of slums located near waterbodies emphasised the slums’ dynamic nature brought about by location and therefore the importance of location itself. Taking cue from this, the paper recommends upgrading projects to be more location-specific that offer flexible yet customised solutions that build upon local knowledge to account for the dynamic and diverse nature of slums. Another inference from the study was that for various reasons – one of which is hazardous location – slums are perceived to be temporary and as a result, there is low incentive to invest in slums. Such a perception prohibits slum upgrading and pushes them into a negative spiral. Concluding that slums are, however, permanent features in the urban landscape, the paper recommends a change in perception and urges practitioners to accept this permanent nature of slums. The focus and findings of this paper are relevant in context of the Habitat III Conference in 2016 which has as its focus the ‘New Urban Agenda’ that recognises the ever-changing dynamics of human civilization and aims to bring together diverse urban actors to review urban and housing policies.

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Podcast: Maldives’ Floating City?

The Seasteading Institute, Joe Quirk, Nov 2015

Interview of Joe Quirk from the Seasteading Institute with Koen Olthuis about  Maldives’ floating cities.

Podcast: Maldives’ Floating City? Koen Olthuis of Waterstudio

Podcast: Play in new window

What if a nation sinking below sea level became the innovation hub for floating cities?
What if you could float the infrastructure of Holland to the slums of Bangladesh?
What if the future of floating cities is in 3D printed technology?

Dutch architect Koen Olthuis is the co-author of Float! Building on Water to Combat Urban Congestion and Climate Change with David Keuning. Koen founded Waterstudio which designs many components of floating cities, including schools, golf courses, hotels, and even stadiums, and he co-founded Dutch Docklands which plans gorgeous projects for the Maldives.  In 2007, Koen was chosen at Time Magazine‘s “most influential people of the year,” and the French magazine Terra Eco chose Koen in 2011 as one of the 100 greenest persons who will change the the world.

Koen Olthuis initiated a project to transform shipping containers into Floating City Apps to upgrade living conditions in coastal slums by providing “plug-and-play” schools, kitchens, health centers, internet cafes, and water purification units.

Should seasteads establish political independence first, and then change the world? Or should floating cities set humanitarian examples, win hearts and minds, and then seek independence? Koen and I discuss the strategies and agree to partner on a shared goal.

I hope you enjoy this discussion as much as I did. And if you subscribe to podcasts on iTunes, you can find this podcast and all of our other podcasts on our iTunes page.

Joe Quirk

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