The Sky Garden House includes a large stone-lined swimming pool that can be viewed from inside the building at basement level through a large glazed window.

A staircase with a glass balustrade and wooden steps snakes across the stairwell.

The curved roof at the top is also covered in grass and affords views of the bay beyond.

The information below is from the architects:

This house is located on a new housing estate on the island of Sentosa adjacent to Singapore. The plots are not large and neighboring buildings are built close to the sides of each house.

Thus our strategy was to build a solid wall to each side neighbor to provide privacy where possible, while creating a central light and stair well which would funnel the sea breeze through the center of the building.

The front and rear of the building meanwhile, terrace back allowing each storey to have visual or actual access to greenery.

The intention was to try to allow each roof garden provided a base for the storey above allowing the layered effect to make each storey feel like it was a single storey dwelling sitting in a garden.as much as we could do in the close confines of Sentosa island and with such a large building!!

LOCATION : Sentosa Island, Singapore
AREA : 852 sq. meters
GROSS FLOOR AREA : 654 sq. meters
DESIGN ARCHITECT : Guz Wilkinson
PROJECT ARCHITECTS : Caroline Witzke and Szymon GoŸdzikowski

딱히 이런 디자인이 좋다거나 잘 되었다기보다는, 언젠가 집을 짓는다면 이런 집도 좋을 것 같다는 생각이 든다. 에코디자인 여기저기서 풀내음이 나는 따뜻한 집이랄까.

-from dezeen, March 9th, 2011

Called A Rolling Masterplan, the design was created for a competition to design a masterplan for the city.

Jagnefalt Milton’s scheme would use both existing and new railway tracks to move buildings around according to the seasons or events.

Their proposal included a mobile hotel, swimming pool and concert hall.

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Here are some more details from the architects:

A ROLLING MASTER PLAN

The Swedish architecture office Jagnefalt Milton has been awarded in the Norwegian master plan competition for the city of Åndalsnes. Their proposal was a to have buildings rolling through the city on rails. On Friday the jury went public with the awarded master plans for the city of Åndalsnes.

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The jury awarded the Swedish office for a proposal where existing and new rail roads would provide the base for new building that could be rolled back and forth depending on seasons and situations. Amongst other they propose a rolling hotel, a rolling public bath and a rolling concert hall.

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“We are really happy that the jury took our proposal serious, its not only a good proposal which we are very proud of, it´s also fully doable,” says Carl Jägnefält one of the two founders of Jägnefält Milton.

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The jury was impressed by the swedes proposals that did not propose new city blocks, public squares, boardwalks etcetera, but instead focused entirely on the existing rail road network and created something unexpected from it. They were also moved by the presentation material which they thought had a surreal mood with a magic and Tarkovsky-esk atmosphere that contrasted well with the sober and technical plans and axonometric drawings.

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Jagnefält Milton is an architecture office in Stockholm, Sweden. Their last achievement was a first price in the architecture competition to build a culture centre in the city of Galway on Ireland. The office was founded a year ago by Konrad Milton and Carl Jägnefält.

The 11-storey Dr Chau Chak Wing Building will have an undulating brick facade on one side and slices of glass over the other.

Construction is due to commence in 2012.

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Here’s some more information from the university:

Climbing the Gehry tree house to a new kind of business school

Sydney’s Frank Gehry designed Dr Chau Chak Wing building will open a new page in business education in Australia.

The world-renowned architect’s plans for the $150 million building, his only in Australia, were unveiled this morning at a media conference at the University of Technology, Sydney. UTS has been working with Gehry Partners to design a world-class business school based on the idea of a tree-house structure. As Frank Gehry has put it, “a trunk and core of activity and… branches for people to connect and do their private work.”

The building will have two distinct external facades, one composed of undulating brick, referencing the sandstone and the dignity of Sydney’s urban brick heritage, and the other of large, angled sheets of glass to fracture and mirror the image of surrounding buildings.

The project inspired the Australian-Chinese business leader Dr Chau Chak Wing to donate a total of $25 million to UTS; $20 million to support the new building and an additional $5 million to create an endowment fund for Australia-China student scholarships. It is the equal largest ever philanthropic gift by an individual for a university in Australia.

UTS Vice-Chancellor Professor Ross Milbourne said that while the building would undoubtedly become a Sydney landmark, the key element for the University was that it was conceived from the inside out with the needs of the UTS Business School and the University at heart.

“The UTS Business School is transforming itself with an emphasis on integrative thinking – producing students with boundary crossing skills as well as specialised knowledge,” Professor Milbourne said.

“From the start Gehry Partners has worked closely with the School’s leadership, its academics and students to develop an environment that fosters and encourages this openness and collaboration in teaching and research, and engagement with business and the community.

“This is a building for all of Sydney. There will be extensive public spaces with an external design that complements and acknowledges its place within the immediate area and within the city.

“The project is already providing benefits for students outside the Business School, with four UTS architecture students selected for internships at Gehry Partners’ studios in Los Angeles.”

The 11-storey Dr Chau Chak Wing building will stand at the corner of Ultimo Road and Omnibus Lane on a site that once housed the Dairy Farmers Cooperative and is currently being used as a car park.

Professor Milbourne said some elements of the schematic design were still fluid and will be subject to some modification, pending community consultation and authority approval. Community and stakeholder consultation will take place from 17 December to 14 January.

Construction is due to start in early 2012 and be complete in time for the 2014 academic year.

The Dr Chau Chak Wing Building is part of the ten-year $1 billion UTS City Campus Masterplan, which is helping transform the southern CBD and will deliver a cutting-edge and connected campus for staff, students and the broader community.

Planning

A key component of UTS’s City Campus Master Plan, the Dr Chau Chak Wing Building will provide teaching, learning, research and office accommodation for the UTS Business School. There will be extensive public spaces in the new building, including student lounges, cafes and outdoor roof terraces.

Total project value, $150 million Total floor area 16,030 sqm, spread over 11 floors

Construction will start in early 2012 and be complete in time for the 2014 Academic year.

UTS is unveiling the schematic design of the new Dr Chau Chak Wing Building. This design will be subject to some modification, pending community consultation and authority approval.

In January 2011, UTS will undertake community and stakeholder consultation on the new design. This consultation forms part of the “Part 3A” submission that UTS will make to the NSW Depart- ment of Planning for approval of the design.

PROJECT SHEET & ARCHITECT DESIGN STATEMENT (CONT.)

City Campus Master Plan

The UTS City Campus Master Plan is a vision to deliver an iconic and connected campus that supports the university’s vision to be- come a world-leading university of technology. The Master Plan is also a ten-year $1 billion redevelopment that will help transform the southern Sydney CBD. The Master Plan will create a series of new buildings, major upgrades and improved pedestrian connections, right in the heart of Ultimo and Haymarket.

The Dr Chau Chak Wing building is the centrepiece of the $1 bil- lion City Campus Master Plan which is expected to generate an estimated $3.2 billion in NSW economic activity. 1700 jobs are ex- pected to be generated each year over the 10 year construction period. The Chau building is estimated to attract 24,000 interstate visitors and 2,000 international visitors each year, adding $36 mil- lion to the tourism industry through spending by business event visitors annually. Source: Independent modelling by Urbis.
Australian-Chinese business leader Dr Chau Chak Wing has do- nated a total of $25 million to UTS; $20 million to support the new Business School designed by Frank Gehry, and an additional $5 million to create an endowment fund for Australia-China student scholarships. The gift makes Dr Chau one of the leading philanthro- pists in the Asia-Pacific region. In recognition of the gift – the largest ever made to an Australian university – UTS Council determined to name the new Gehry-designed Business School building the Dr Chau Chak Wing Building.

The project is located on the former Dairy Farmers Cooperative site at the corner of Ultimo Road and Omnibus Lane. The site will operate as a public car park until demolition and excavation com- mences.

UTS commissioned Gehry Partners to undertake concept design of the Dr Chau Chak Wing Building in late 2009. The concept design by Gehry Partners was approved by UTS Council in June 2010.

Gehry Partners, LLP is a full service firm with broad inter- national experience in academic, commercial, museum, performance, and residential projects. Frank Gehry es- tablished his practice in Los Angeles, California in 1962. The Gehry partnership, Gehry Partners, LLP, was formed in 2001 and currently supports a staff of over 120 people.

Frank Gehry is among the world’s best known architects. His milestone projects include the Bilbao Guggenheim Museum and the Los Angeles Walt Disney Concert Hall. Every project under- taken by Gehry Partners is designed personally and directly by Frank Gehry.

Local team Builder

A local consultant team – comprising Australian architects Daryl Jackson Robin Dyke, engineers and other specialist disciplines – has been appointed to work alongside Gehry Partners.

UTS will engage a building contractor early on in the design pro- cess to work collaboratively with Gehry Partners and the consult- ant team. This collaboration will ensure the buildability and timely delivery of the new building. UTS is currently shortlisting builders to tender for the construction of this project.

Ultimo Pedestrian Network (UPN)

Sustainability

The Sydney Harbour Foreshore Authority is currently developing options for a revitalisation of the UPN that will create pedestrian linkages from Central Station through to Darling Harbour. Pedes- trians will be able to access the building from both Ultimo Road and a revitalised UPN

The Master Plan is integral to UTS achieving its greenhouse gas emission reduction targets and a variety of holistic sustainability goals. As one of the new buildings proposed by the Master Plan, UTS and Gehry Partners intend to seek a 5-Star Green Star Edu- cational Building Rating for the Dr Chau Chak Wing Building.

Key sustainability measures currently being investigated by UTS and the project team include: low carbon emissions, achieved through low-energy air conditioning and lighting, and tri-gener- ation power supply; smart air conditioning, designed to switch off when offices are empty for an extended period of time; monitoring of CO2 levels within the building; intelligent lighting that adjusts according to natural light levels; optimising natural light, includ- ing window positions, floor plate design and window glazing; and, rainwater capture and storage for use in cooling towers and toilet flush applications.

Site context

The University of Technology, Sydney (UTS) Dr Chau Chak Wing Building will be a 16,030 square metre academic building that will replace the current home of the Business School in the Hay- market Building. It will contain teaching and learning spaces, re- search spaces, and faculty offices, as well as support facilities including a publicly accessible café. Parking for 28 cars will be in a basement level along with bicycle parking and shower rooms for students and staff who choose to cycle to the school. It will be located on the Dairy Farmers building site at the corner of Ultimo Road and Omnibus Lane. The 2,816 square meter site is bounded on the north by Mary Ann Street and on the east by the Ultimo Pedestrian Network (UPN).

UTS is an urban campus with buildings integrated into Sydney’s Ultimo neighborhood. It is not a traditional campus with clearly defined boundaries. This integration suits the goals of the Busi- ness School to reach out to the surrounding community and to connect with local businesses. The site for the new building is not a part of the main UTS campus, but rather is to be one of the outlying buildings that are a part of the campus expansion toward Darling Harbor to the north. It is surrounded by buildings that are not a part of the University: the Australian Broadcasting Corpora- tion (ABC) headquarters to the south, an apartment building and a Sydney TAFE building to the west, and the Powerhouse Museum to the north. This very tight urban site offers an exciting architec- tural context and the opportunity to respond to the diverse colors, scales, and textures of the neighborhood buildings.

The site will be accessed from the main campus by two primary routes: one on the street level via Harris Street to an entry on Ultimo Road, and a second via a bridge across Harris Street con- necting to the UPN and then north to a second level entry directly off the UPN. The UPN will also be the primary route for visitors coming from Central Station. The below grade parking will be ac- cessed by ramp from a mid block driveway on Ultimo Road. Ser- vice access will be from the basement garage level, which will accommodate van deliveries.

A portion of the teaching space for the Faculty of Business will be located in renovated space in the Haymarket Building to the east. A pedestrian bridge is proposed from the new building across the UPN, over Darling Drive, and connecting to an upper level of the Haymarket Building. This bridge is not a part of the scope of this project.

There has been discussion of creating a plaza to the north of the building on the portion of Mary Ann Street that terminates at the UPN. The Powerhouse Museum would also front on this plaza. An informal amphitheater could host outdoor performances on the east end of the plaza and act as a grand scale stairway up onto the UPN.

The concept design stays within a 10% exception to the 42 meter height limit for the Dairy Farmers parcel. The form of the design steps back from the north and south site boundaries as suggest- ed in the design guidelines, giving solar access and views to the sky for the adjacent streets and buildings. The height of the build- ing will give it presence in the neighborhood and visibility from the UTS Tower.

Accommodations and functional relationships

The schedule of accommodation calls for 10,206 net square me- ters of space with 18 teaching spaces and classrooms, and 526 positions for research and faculty work divided between enclosed offices, open office workstations, and unassigned workstations called “hot desks.”

The ground floor of the building will have a café with seated din- ing that opens to additional outdoor tables on the sidewalk and proposed plaza to the north. A coffee bar with outdoor seating will animate the upper level entry off the UPN, conveniently adjacent to the student center and the large student lounge. Connected via a staircase to the student lounge will be a more secluded gradu- ate student lounge one level above. An event and gallery space will be located on the ground floor facing Omnibus Lane to be used for the school’s outreach functions, lectures, and exhibits related to the work of the school. Situated in this event and gallery space will be two stacking oval-shaped classrooms with tiered seating. The lower classroom will be able to open to the social space for large events that require additional seating.

A 240 seat auditorium is located adjacent to the northern ground floor entry. This will be a venue for public lectures, panel discus- sions and debates. It will have an extensive audio/visual system and video conferencing. Event check-in and informal receptions will take place in the lobby space outside this room.

The teaching and learning spaces, which are accessibly located on the lower four levels of the building, are comprised of various classroom types primarily serving postgraduate students. There are 10 graduate seminar rooms of 40 seats with flat floors to al- low for flexibility in seating arrangement, a 120 seat bowl class- room with desk seating and loose chairs on the first floor, 4 flat floor graduate computer labs for 40 students each, and 2 oval classrooms for 60. The 120 seat bowl classroom is stepped 2 rows at a time to allow students in the front row of each step to turn around and join the students behind them in casual group discussions. In addition to these larger spaces there are 10 group study rooms, 4 of which will accommodate 8 and 6 of which will accommodate 4.

The 6th floor of the building is configured for short course execu- tive education seminars. Management professionals from out- side the university will participate in these courses as a part of the school’s goal to engage with local industry. On this floor there are 2 seminar rooms that will accommodate up to 60 participants with a breakout space where coffee and lunches will be served. A catering space will support this use. Also on the 6th floor is a re- search seminar room for 40. Each of these rooms opens directly onto a roof terrace anticipating breakout sessions and group dis- cussions outdoors in pleasant weather. The faculty room is also located on the 6th floor to take advantage of another roof terrace.

The upper levels of the building, which are primarily devoted to research and academic spaces, are configured to promote cross- disciplinary exchange. Open floor areas connect clusters of re- search and faculty offices. Lounge furniture and informal meet- ing spaces are integrated into each of these floors. The top floor accommodates a boardroom serviced by a pantry, adjacent to a large function area with a bar, both with views to Sydney Harbour, designed for hosting private University events.

Building organisation

The conceptual organization of the design follows a conversa- tion between Frank Gehry and Roy Green as the project began. Frank imagined a building that was a cluster of “tree houses,” or vertical stacks of office floors with spatial “cracks” in between. He made a sketch of this idea on a napkin and gave it to Roy. Working groups would feel an intimacy with others working within their own tree house while looking across the cracks to other tree houses. Groups would be curious to know what was going on in an adjacent tree house and would go across to find out. This would be a way to create focused space for research while at the same time encouraging cross-disciplinary exchange. This interrelation- ship is one of the main goals of the school and is promoted by the configuration of the building.

The current design incorporates this idea. Each of the larger low- er floors is divided into six floor segments. The building façade folds in between these elements bringing natural daylight deep into the center of the floors. This divides what would otherwise be a very large, corporate-type office floor of 1,800 square meters into smaller areas in which each individual would have an impor- tant identity. The upper floors have been divided into four sections with the same intent. The Gehry team has worked with the Business School to test the design to determine if the size and scale of the plan units fit with the size of research groups and fac- ulty clusters. Many iterations of the plan organization have been laid out, and the latest version is contained in this document. In parallel, the Business School is going through a reorganization of its research and teaching structure as the design proceeds. It is a rare collaborative opportunity to be able to design a building and an organizational structure simultaneously.

Architectural design

In the Concept Design phase the design team focused on a care- ful analysis of the Schedule of Accommodation and has spent time with the Business School getting to know the goals and ob- jectives of the teaching, research, and industry engagement that are at the heart of the school’s mission. This knowledge has in- formed many iterations of the design, studying the building from the inside out. The urban issues of building siting, access, mass- ing, and height have shaped the building design within its context. The Gehry Partners process values the resolution of these most important functional and social aspects of any project, and the architectural expression evolves very slowly from a deep under- standing of these issues.

The building façade has been explored through several design it- erations. A variety of materials were studied. Each of the designs was evaluated in relation to the project budget; the current design fits within the budget. Window locations have been considered to bring light into all of the teaching spaces and to bring the maxi- mum amount of daylight into work spaces throughout the build- ing. Gehry Partners has run computer sun studies to understand the light and shadow relationships to the adjacent sites and to spaces within the building. The current design places large areas of glass at the street level to promote transparency and to create a welcoming body language for the building. The work spaces themselves have large windows punched through areas of solid façade. The proportion and spacing of these windows has been studied in relation to office modules in order to provide as much flexibility as possible for the future evolution of uses.

The façade of the building will have 2 aspects and 2 different personalities. The east facing façade that contains an entry from the UPN is made of a buff colored brick similar in color to the Sydney Sandstone. The form of this façade curves and folds like soft fabric. The brick will be set in horizontal courses and will step or corbel to create the shape. The texture of the surface will be rough and will emphasize the mass of the material. The shape flattens as it wraps around the north and south corners. Large windows punch this façade. The west facing façade that contains the ground level entry off Ultimo Road is composed of large shards of glass façade. This glass will be slightly reflec- tive to fracture and mirror the image of the surrounding buildings of the neighborhood. Sculptural brick towers will stand at the northwest and southwest corners of this facade.

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The project comprises five snaking volumes wrapped around the north and east sides of the existing building, which was originally designed in 1983.

On the north side these “ribs” house a restaurant opening onto a central patio, before fanning out on the east side to accommodate five galleries showing European art brut.

The new structure is punctured with an irregular pattern to restrict light levels within the galleries while affording views of the surrounding park at the end of each corridor.

This perforated design is repeated on display stands inside.

Photographs are by Max Lerouge except where stated otherwise.

The following information is from Manuelle Gautrand:

The project aims at building up the museum as a continuous and fluid entity, this by adding new galleries dedicated to a collection of Art Brut works, from a travelling movement that extrapolates existing spaces. A complete refurbishment of the existing building was next required, some parts were very worn.

In spite of the heritage monument status of Simounet’s construction, rather than set up at a distance, we immediately opted to seek contact by which the extension would embrace the existing buildings in a supporting movement.

I tried to take my cue from Roland Simounet’s architecture, ‘to learn to understand’, so as to be able to develop a project that does not mark aloofness, an attitude that might have been seen as indifference.

The architecture of the extension wraps around the north and east sides of the existing arrangement in a fan-splay of long, fluid and organic volumes. On one side, the fan ribs stretch in close folds to shelter a café-restaurant that opens to the central patio; on the other, the ribs are more widely spaced to form the five galleries for the Art brut collection.

The Art brut galleries maintain a strong link with the surrounding scenery, but they are also purpose-designed to suit the works that they house: atypical pieces, powerful works that you can’t just glance at in passing. The folds in these galleries make the space less rigid and more organic, so that visitors discover art works in a gradual movement.

The architecture is partly introverted, to protect art works that are often fragile and that demand toned down half-light.

At the extremity of the folds – meaning the galleries – a large bay opens magnificent views onto the surrounding parkland, adding breathing space to the visit itinerary. These views make up for the half-light in the galleries: the openwork screens in front of the bays mediate with strong light and parkland scenery, a feature that recalls Simounet’s generous arrangements in the galleries that he designed.

Envelopes are sober: smooth untreated concrete, with mouldings and openwork screens to protect the bays from too much daylight. The surface concrete has a slight colour tint that varies according to intensity of light.

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- from dezeen, October 7th, 2010

A House Awaiting Death is a concrete construction and sits 8.6 metres above sea level, looking east over a breakwater.

The facade is is punctuated by a row of irregularly shaped windows, positioned higher or lower in the wall depending on where the client intends to sit and stand.

The interior has wooden floors and ceilings, and is divided by a V-shaped partition.

The internal walls are punctuated by slits that line up with external windows.

Photographs are by Koichi Torimrua.

Here’s some more from the architect:

“I will die in 15 years. It will be a house awaiting that death. The building is fine as long as it lasts 15 years. Something small would be good.”

“I have found the place.” A patch of land on a peninsula facing East. “I’m glad the land faces East. I hate the sunset.”

“When I die it won’t be sunset, it will be sunrise. When the final moment comes, I will face the sea and depart on a ship flashing towards death. It’ll be a time revealed after death.”

This is what the client ordered for his house. A view of the magnificent sea in the east where the sun rises.

This is the land he chose to live out his final years. The portion of the sea we have captured encompasses the peninsula that appears on both sides of the site.

A four-meter wide gravel and dirt road runs in front of the site. On the other side of the road is a park-golf course where several elderly neighbors enjoy their leisure time.

There is a seashore behind the breakwater wall. If this were a standard house the sea would barely be visible from the site.

The ebb and flow of the tide changes with the seasons and the time, but the distance from the site to the waves is generally about 150 meters.

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The height of the floor is nearly 8.6 meters from the horizon and was chosen as the perfect height to view the waves from a sitting position.

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The client said to us, “The floor of this house must be raised, so you are the right architects to design such a house.”

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The coastline where the site is located is beyond the scope of this round map. This round map encompasses the area of our activity in Japan.

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This project takes us to a beach beyond sublime Suzuka mountain range, yonder past the ravines of the Ise Penninsula, and exceeds the boundaries of this circle!

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Early morning light streams through polygonal windows. With the overlapping windows and accumulation of light and shadow, the entire building erupts in a hymn to the morning.

The sweeping form overlaps at one point and gradually ramps down to accommodate the slope of the terrain.

360 House has continuous fenestration along the east-facing side to offer panoramic views of mountains in the distance while descending through the house.

Where the form overlaps a staircase offers direct access between the two storeys.

The house’s exterior has been finished in black slate tiles, while the interior has whitewashed walls and ceilings throughout.

Here’s some more from the architect:

360 House
Galapagar , Madrid / SPAIN

A unique opportunity for us in reality a problem that’s been posed thousands of times: to construct a house with a public programme of social relation, associated with the prívate life of a numerous family on a sloping plot of land with priveleged views of the mountains outside Madrid.

It has no one solution, there are many, they’re even cataloged in books about houses of a slope.

We try not to think of domestic spaces.

On the contrary, we take as a point of reference works of engineering, motorway intersections, changes of direction.

We proceed from generic solutions to the problem of descending , solutions that conceal great plasticity.

We seek the poetic in all the seems to have been considered from the merely pragmatic point of view.

The result is the literal construction of a use diagram.

In this instance, form does not follow function, but is instead function itself.

Cyclical movement, routine and surprise turn into a way of living.

Its formal complexity offers the possibility of reaching all points of the house through two different routes, which multiply the possibilities of use and enjoyment.

It has the form of a loop, 360º, like the shapes skaters make, like those of gymnasts, as artistic as they are precise.

An extreme shape, the house is curved, generating the greatest quantity of linear meters towards the good views.

It is shored up in the landscape and turns back on itself, completing the revolution.

The degree of intimacy increases as the distance to the ends increases.

At the midpoint, a mediatheque, isolated and completely dark, 100% technology, 0% landscape.

With a single gesture two ways of moving are generated: going down and looking outwards.

The long house, a sinuous movement, a descent by ramp and ample turning radii tangential to the setbacks of the plot of land generate a panoramic vision.

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The short house, the quick way in a straight line, stairs of direct descent and a dep view towards the landscape.

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A building that is black outside, absorbent, of slate, a material specific to the location, almost imposed as an aesthetic specification of the area.

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White inside, reflective, generic, neutral and luminous.

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Life incorporates colour, outside with the vegetation and inside with the people.

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Location: Urbanización Roncesvalles. C/ Roncesvalles, 33 Galapagar, Madrid
Architects: SUBARQUITECTURA ( Andrés Silanes + Fernando Valderrama + Carlos Bañón)
Design years: 2007
Construction: 2008 – 2010

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Structural design: Subarquitectura
Building services: Daniel Rodriguez
Client: Arco Design and Projects
Surface area: 385 m2
Photographs: David Frutos Ruiz

Cancer City was commissioned by a crayfish enthusiast who wanted to prevent crayfish emigrating to a neighbouring lake from his stream, where there was a lack of rocks, nooks and crannies.

The honeycomb surface is punctured in places to allow the fish to seek refuge underneath.

The peaks of the structure have removable lids to allow access to these protected areas during hunting.

A painted white line and underwater LED’s allow hunting to take place at night when crayfish are most active.

The structure, which is strong enough to walk on but also light enough to be carried without machinery, is made from a new type of concrete called Butong.

The concrete is formed between a sandwich of flexible layers and contains the mineral calcite, which attracts crayfish.

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Here’s some more from the designers:

“A country gentlemen once bought 10000 crayfishes in the 90’s to plant in a stream running through his land. In the autumn he would capture about a hundred of them to eat at the annual Swedish crayfish parties. The crayfishes however slowly started to emigrate to another nearby lake outside the patron’s estate. Desperate of seeing his neighbors feast on his crayfishes, he contacted visiondivision to solve his problem.

Visiondivision decided to help the patron by building him a refugee where the crayfishes could imigrate back. By investigating the condition of the stream we soon found out that it was the lack of stones, hiding places and the lack of calcite that probably had made the crayfishes emigrate. The city planning would focus on solving these issues.

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The design became an undulated concrete landscape where the crayfish live inside the hills. The hills are equipped with lids so the gentleman can walk on top of the landscape, capturing his yearly crayfish quota. A white path runs on the construction so the hunter can hunt at night time when the crayfish are as most active. Water proof LED lights are attached inside the hills that attract the crayfish and make them visible for the hunter. The hills have several escape holes and underground safe zones so the hunting won’t be too easy which would be unjust to the crayfishes.

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The choice of material was crucial for the success of the project. The construction obviously should be water resistance, the city should be strong enough to carry some full grown persons or animals walking on it, the city should also provide shelter to the crayfishes and the construction should not be too heavy since it should be moved to a remote place where no machines can go. The choice of material became “Butong”; a lightweight slightly transparent concrete invented by the firm with the same name.

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Butong is only two centimeters in depth without any metal reinforcement that can rust and the mould could be bendable after casting which enabled us to make an undulated landscape of concrete without having to build time consuming casting forms. Another attribute with Butong is that it includes calcite; a substance that attracts crayfishes.

The exquisite concrete endeavour is now resting in the stream waiting for its inhabitants to arrive. Walking on the flawless craftsmanship just one week after inauguration we met one of the first inhabitants staring at us from its new nest.”

Credits: visiondivision through Anders Berensson & Ulf Mejergren
Butong team: Lars Höglund & Benjamin Levy