Honor Award
Zurich Biopool
Zurich, Switzerland
Fletcher Studio, San Francisco, CA
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Site Plan.
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Aerial view of choreographed series of retaining walls and terraces.
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Natural biopool with wetland plantings blending with hillside flora.
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Series of terraced spaces that can easily adapt and evolve to program.
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Existing hillside trees and plantings form a backdrop and screen from adjacent street.
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A custom pergola with retractable shading controls temperature and extends the use of space.
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A spa of stone and concrete and wood sundeck.
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A mix of materials of concrete, stone and wood create beautiful texture and variety of use.
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A complete outdoor kitchen and dining area adjacent to natural biopool.
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Dominant concrete retaining walls softened with lush plantings.
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Natural reflective colors blend with surrounding landscape.
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Silver-flecked granite contrasts smooth concrete as backdrop to spa.
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Lush plantings border the etching in the concrete wall.
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Lighting and heated spa warm the garden and blend with natural colors of sky at sunset.
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Flowing water demonstrates the circulation of water throughout the space.
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Infrared heater on pergola extends the use of space in the cool evenings.
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Project Statement
Situated in Zurich, Switzerland, this serene garden is suspended on the edge of a steep hillside. A highly choreographed array of retaining walls creates a series of terraces that are flexible and adaptable to an evolving program. A natural biopool is the focus of the garden that blends with the hillside flora and creates an ecologically responsive self-regulating wellness oasis.
Project Narrative
—2013 Professional Awards Jury
Project Background
Situated in Zurich, Switzerland, this serene garden is suspended on the edge of a steep hillside. By placing the garden on the hillside, views of the surrounding environment became accessible and an integral part of the garden. The existing hillside flora and additional plantings form a backdrop that encloses the garden, screening it from an adjacent street and enabling the outdoor garden area to function separately from the house.
The garden is choreographed by an array of retaining walls that create a sequence of terraced outdoor rooms. These walls were conceived of as “sticks, falling from a hand” and are the dominant features on the site, suggesting a prior geology or archeology. In addition, the retaining walls hold the hillside structurally, making the residence secure on the steep slope. Perpendicular to the concrete walls are less permanent gabion basket walls that function as a modular retention system that may be moved or reused as the garden evolves. As new spaces and programs emerge, walls and terraces may be supplemented to expand the garden in the future.
A natural biopool is the focus of the garden experience. An ecologically responsive solution that uses little energy, the biopool blends with the natural colors of the hillside flora. Wetland and bog plants thrive in the mini-wetlands, including cattails, iris, rushes, sedges and water lilies. These plants are a vital part of the natural water cleaning system by filtering the water and obtaining a natural mineral water quality. The plants, microbes and beneficial bacteria cleanse the water without the use of chemicals.
The garden program includes a swimming pool, a spa, a sundeck, a complete kitchen, a barbeque grill and a dining area. The kitchen contains a refrigerator, food center, garbage container, gas barbecue and dishwasher. A custom pergola with retractable shading and infrared heating mitigates the drastic temperature and climate changes and extend the use of the space. The flowing water of the jacuzzi suggesting a visualization of the water that circulates throughout the garden.
The design intent of the garden is to create a self-regulating garden with an ecological approach to water and plants while constructing a beautifully orchestrated wellness oasis.
Project Resources
Design & Construction Team
Landscape Architect of Record
Fletcher Studio
Lead Designer
David Fletcher, ASLA
Architect
ArchitekturBureau Garzotto
Biopool
Gartenbau / Natursteinarbeiten
Generalunternehmer
Schwimmteich BioTeich®
Engineer
Ingenieurbüro
Bauspenglerei / Flachbedachung
O. Weber AG
Featured Products
Pergola
Frego Isenbergstr
Jacuzzi / Gegenstromanlage
Woodtli Schwimmbadtechnik
Electrical
Elektriker – H. Greuter AG
Baumeisterarbeiten
Bauunternehmung – Fritz Nussbaum AG
Heizungs und Sanitäranlagen
Bollmann + Brehm AG
Schreiner
Schreinerei Hälg