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Sumit Singhal
Sumit Singhal
Sumit Singhal loves modern architecture. He comes from a family of builders who have built more than 20 projects in the last ten years near Delhi in India. He has recently started writing about the architectural projects that catch his imagination.

Glanhof 1 in Klagenfurt, Austria by ARCHITECTS COLLECTIVE ZT-GmbH

 
November 21st, 2015 by Sumit Singhal

Article source: ARCHITECTS COLLECTIVE ZT-GmbH 

The Glanhof is a multi-story housing complex with 150 units in the center of Klagenfurt, Austria. It is named for its location on the Glan River and the arrangement of three building structures surrounding a green and sunny courtyard. In the first phase, a long-stretched structure was built along the Pischeldorfer street, which can be reached via an access balcony with a unique irregular zig-zag geometric facade that integrates hundreds of photovoltaic elements. The 50 – 75 m2 sized subsidized aartments feature up to 15 m2 large balconies oriented to the courtyard. Part of the energy concept of the virtually self-sufficient project is the geothermal brine reservoir that stores excess solar energy from the photovoltaic system during sunny months.

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

  • Architects: ARCHITECTS COLLECTIVE ZT-GmbH
  • Project: Glanhof 1
  • Location: A-9020 Klagenfurt Pischeldorfer Straße 53, Austria
  • Team: Richard Klinger, David Lieser, Martin Schorn, David Selensky executive architect Architekturbüro Müller & Hohenwarter
  • Building technology: TB Decleva / Immosolar
  • Structural design: DI Jürgen Freller ZT GmbH
  • Net floor area: 5.900 m² 1st phase
  • Gross floor area: 6.600 m² 1st phase
  • Heating demand: 24,7 kWh/m²a
  • Primary energy demand: 52,1 kWh/m²a
  • CO² emissions: 9,7 kg/m²a
Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

  • Energy efficiency factor: 0,47
  • Photovoltaic: 16,74 kWp
  • Geothermal reservoir: 1.700 m²
  • Masterplan: 12/2010
  • Planning period: 04/2012 – 12/2012
  • Construction period: 04/2013 – 05/2015
Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Solar geometry

Photovoltaic systems have been neglected and could often still be found hidden on the roof not too long ago before becoming an integral part of architecture. The solar design for Glanhof 1 developed by Architects Collective integrates the photovoltaic panels into the glass facade along the street making it an energy-efficient and at the same time resource-saving alternative to conventional façade elements. They fulfill with their elegant appearance, the same functions, but create an additional benefit by making the building virtually energy autonomous.

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

The long-stretched building, with 53 apartments floats on top of the fully-glassed ground floor that features common areas such as a café, buggies and bicycle parking, is a multi-generational-meetingpoint including common spaces. At the same time, this base zone separates the green courtyard and the playground along the street where the entrance for the pedestrian and parking garage into the basement are located. From the street and the garage the inhabitants walk the four residential floors over two generous glazed staircases into an open access balcony.

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Meeting space for generations

The residential mix of Glanhof 1 consists of families with children, single parents, singles and the elderly. The project was conceived together with Hilfswerk Kärnten (?) and meets the requirements of the older generation and at the same time brings younger people into the housing complex. In the first phase, 16 units with 50 m² were built for assisted living, which are equipped with a 24 hour emergency call system. They are further connected by an elevator that allows hospital beds in the senior citizens center and the meeting room on the ground floor.

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Almost energy-autonomous

The photovoltaic modules are part of the overall energy concept of the housing complex. Most of the hot water and heating is produced by a system of solar panels on the roof, a heat pump system and a geothermal reservoir. The photovoltaic elements are also connected directly to the heat pump and significantly increase the overall efficiency of the system. Excess solar energy is supplied and stored into a geothermal brine reservoir during the sunny months. This energy is then is released during colder
month and latched into the heat pump system and made usable for heating. Only a small proportion of energy is required in the form of electricity for the heat pump and district heating for higher temperatures to support the water heating by external providers.

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Image Courtesy © ARCHITECTS COLLECTIVE ZT-GmbH

Architects Collective

Architects Collective ZT-GmbH (AC) was founded by Andreas Frauscher, Richard Klinger and Kurt Sattler in Vienna and is an international architecture and general planning firm. Designs are created and advanced by a collective idea finding process where creativity and expertise complement each other. Since then the firm has completed a variety of award-winning projects such as the Klinikum Klagenfurt, the Passive House facility of Leeb Fruit Orchard, the medical resort Bad Schallerbach, Erich Sattler Winery or the Ozuluama Residence in Mexico City.

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Categories: Apartments, Building, complex, Housing Development, Residential

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