The climate in the Nuremberg Prisma

Prisma Rnberg

The whole roof area of the complex feeds directly into a water cistern.

The glass building creates a pleasant atmosphere within the city centre. Waterwalls and luxuriant vegetation create a healthy atmosphere full of natural light.

The whole roof area of the complex feeds directly into a water cistern.

The glass building creates a pleasant atmosphere within the city centre. Waterwalls and luxuriant vegetation create a healthy atmosphere full of natural light.

When architect Frank Lloyd Wright built the famous 'Fallingwater' house in the hilly countryside of Pennsylvania he had one thing above all in mind: he wanted to blend the building into the landscape of woodland, river and rock. He produced a masterpiece that overwhelms visitors mainly because of the way the torrent rushing under the building is handled. Here water does not just help to balance the climate in the house. You can see it in brick-lined pools, on smooth rocks when it rages into the basins in the natural stone. And you can hear it when the shell of the building changes acts as a resonating chamber to change the constant rushing into the natural music of a region.

A lot is possible out there in the forests of America that could not be done within the confines of a city; at best it has to undergo a transformation to work there. But the architectural aim of blending the inside and the outside

Lush vegetation compliments Joachim Eble's sustainable architecture.

Air intake through steel grate

Fan heater

Water spout

Adjustable wooded louvers

Coloured glass facing

Air intake through steel grate

Fan heater

Water spout

Coloured glass facing

Adjustable wooded louvers

The climate in the Nuremberg Prisma

applies in both places. In Nuremberg, for example, five waterfalls pout down at the same time into a set of residential and commercial premises that have been designed with a great deal of variety, using an entirely new design approach. In the 'Prisma' - 'Prism' - as the complex is called, removing boundaries was the key issue. Rainwater is of crucial importance here. All the water that falls on to the roofs flows through various cleaning phases into a tank with a capacity of just under 300 cubic metres, and is pumped from there into two circulating systems. Surplus water seeps into the ground under the underground car park. The first circulating system is used to supply the plants in the greenhouse, which extends over four storeys. South American vegetation grows in one section, Australian in the other, and both in a landscape of water-courses and ponds. These conservatories face south and south-west, and are part of the passive solar energy use concept.

High temperatures in the summer at least created a need for a second circulating system. Here the pump dispatches water to six water walls, which has a number of positive effects. Even if you have never visited Fallingwater you know how the sound affects you. You breathe more deeply than you have for a long time, each individual alveolus seems to come to life. The effect of the water-walls is like that of waterfalls because the hydro-physical processes are the same: the water pulls air down with it, creating a light wind. In Nuremberg, water falls between two walls each 5 metres high, which forces air out at the bottom. This stream of water pulls in air through a slit in the wall, cleans it and cools it - at least in summer. In winter the water, which is at a minimum of 18 degrees, warms up the cool outside air. This positive effect on air temperature and humidity is associated with a visual one. This air-conditioning system, based on readily understandable prem-

Exterior vents supply the waterwalls with fresh air which is drawn down by the falling water, like in a natural waterfall, which is then filtered, moistened and blown out by the water into the interior at a wind speed of 3 m/sec. The system cools the building in the summer and heats it in the winter.

Exterior vents supply the waterwalls with fresh air which is drawn down by the falling water, like in a natural waterfall, which is then filtered, moistened and blown out by the water into the interior at a wind speed of 3 m/sec. The system cools the building in the summer and heats it in the winter.

The greenhouse as a pleasant climate in the city centre. Water-walls and luxuriant vegetation create a healthy atmosphere and a flood of light.

The climate in the Nuremberg Prisma

The natural light flooded climatising waterwalls are artistically designed.

Making the glass sheets: The colour design is achieved by layering fragments of coloured glass.

ises, is presented as an art object. The walls are suspended without frames, and glow in fascinating colours, particularly at night. At the same time the structure of the coloured layers, which were fused together at 760 degrees, is constantly changed by the water as it flows down. The water successfully pulls the sophisticated and varied design of the space together - with a contained dynamic and by providing background sound.

Making the glass sheets: The colour design is achieved by layering fragments of coloured glass.

The natural light flooded climatising waterwalls are artistically designed.

Layering glass fragments produces a three-dimensional effect after fusing, and creates interesting effects of light and shade.

Queens Botanical Garden Dreiseitl

Layering glass fragments produces a three-dimensional effect after fusing, and creates interesting effects of light and shade.

Wind- and water-wheel in Owingen

The fact that rain is necessary but can be abominable often makes people feel that it never comes at precisely the right time. We feel similarly about wind, unless we are wanting to go sailing or fly a kite. Children usually see this differently. Wind and weather mean change to them. A lot of things emerge or start to move that weren't there before, or were standing still.

Herbert Dreiseitl wanted to make something positive of wet and stormy weather with his rainwater-wind device in Owingen, a small town in the hinterland of Lake Constance. The artwork has been at the extended primary and secondary school since the year 2000. As so often in his work, this object is based not just artistic, but also functional and even ecological. For technical or even financial reasons a decentralized, open rainwater concept was chosen, in which the lesser part of the water seeps away in a part of the building that is an attractive area in its own right.

The greater part seeps away outside in a system of hollows and trenches. But before the water turns the playing-field into a temporary pond, it sets a wind-and water-wheel installation in motion. Two wheels, each with two rotor blades and a water-wheel with six blue scoops turn when they are affected by wind or water from a roof area of 360 square metres. The three wheels are mounted on an axle with free bearings which in its turn is supported on an undulating concrete wall. At the highest point of the wall is a metal gutter that catches water from the roof and takes it to the scoops on the water-wheel from there its flows along an open gutter in the wall into a trench that in its turn takes the water under a path to the infiltration swale. But this undulating wall can only be a plaything to a certain extent. To protect the children from mechanical injuries from the wheels, a sheet of blue metal keeps the urge to climb within limits.

Water from the roof flows through a channel to a wind-and water-wheel, where it sets the wheels in motion.

The undulating wall with a rainwater channel is also suitable for play.

Infiltration within the building V = 4 m3

200 m

Infiltration within the building V = 4 m3

200 m

Queens Botanical Garden Dreiseitl
Infiltration swale

Valuable rainwater is fed directly into the natural cycle via the wall into the wind and water artwork, via a wall gutter and infiltration swale into highly permeable layers of moraine gravel.

Water from the roof flows through a channel to a wind-and water-wheel, where it sets the wheels in motion.

The undulating wall with a rainwater channel is also suitable for play.

General plan of the drainage project for the new school wing. The majority of the water from the roof seeps into waiting layers of moraine gravel. Seepage pipes and basin and a trench under the building are used to retain the rainwater.

Valuable rainwater is fed directly into the natural cycle via the wall into the wind and water artwork, via a wall gutter and infiltration swale into highly permeable layers of moraine gravel.

World cultures are an intrinsic part of New York City's borough Queens. Public workshops engaged local residents playfully and contributed to the overall park concept. Water experiments made participants more sensitive to design issues.

New Park Concept for Queens Botanical Garden, New York

Administration Rtimt/attr Syaie/n Overview j*no

Our societies are becoming more and more complex. But in the urban homogeneity and anonymity of the melting pot, is there space for true identity?

Queens is a New York City borough topped and tailed by New York's two busy airports, JFK and La Guardia. There are 142 officially registered spoken languages in the borough. Ethnic richness is readily visible in the bustling high street, a world market of faces, fruits and foods. Queens Botanical Garden is much beloved by local residents. It offers a quiet corner for morning Tai' Chi, beehives for a Russian bee keeper, facilities for a Korean flower exhibition and a romantic setting for an elaborate Hispanic wedding. Its general state of dilapidation was completely unreflective of its significance to local residents.

Queens Botanical Garden offers encounters not only with the plants of the world but also with its peoples. A public workshop invited residents, local businesses and users to get involved in the design process for the new park concept right from the start. Water was identified as a key theme which, through its essentialness for life, bonds people and cultures and the environmental reality of the Garden itself.

A master plan was developed taking into account new programming needs. The stormwater management plan is interactive, actively dealing with soil contamination management, new infrastructure, restoration of existing garden elements and siting of the new water gardens. These water gardens are thematically expressive of cultural identities and functionally active elements of the stormwater management system.

Funding for Phase 1 allowed for construction of a new green parking lot, and a new administration building. The green parking lot has contoured fingers of park which extend in from the Garden and define the parking lanes. They are naturally planted and act as stormwater retention swales. A large area of meadow has a special soil substrate and under drainage to accommodate overflow parking for big events. The new administration building melts into a surrounding landscape of native North American plants. A green roof, and rain and grey water systems demonstrate quite conspicuously how principles of green building can be put into practice. The administration building and landscapes received a LEED Platinum rating, not least because of the advanced water concept.

The typical role of water for functions like cleaning, transport and waste disposal reduces the interplay of water in our lives to simplified and imprecise images. Sustainable water resource management combines aesthetic appeal and technological transparency while making a significant 'green' space contribution to our urban environments. At Queens Botanical Garden Atelier Dreiseitl went a logical step further by proposing a design that looks to express dynamic synergies between the environmental importance, cultural traditions and spiritual practices of water. Queens Botanical Garden contains ideas for a neighbourhood garden thinking on a global scale.

Administration Rtimt/attr Syaie/n Overview j*no

Queens Botanical Garden Dreiseitl

The water management concept is revolutionary for New York City and was a major aspect of the platinum LEED Certification of the project. Individual gardens are based on different cultural water themes and offer space for activity and relaxation. Water design and integration with the park were key design criteria for the new administration building.

The water management concept is revolutionary for New York City and was a major aspect of the platinum LEED Certification of the project. Individual gardens are based on different cultural water themes and offer space for activity and relaxation. Water design and integration with the park were key design criteria for the new administration building.

Queens Botanical Garden Dreiseitl Queens Botanical Garden Water
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