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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.

TIWAG POWER STATION CONTROL CENTRE WITH VISITOR CENTRE in Tirol, Austria by Bechter Zaffignani Architekten

 
January 21st, 2015 by Sumit Singhal

Article source: Bechter Zaffignani Architekten

The new building for the power station control centre of Tiroler Wasserkraft AG in Silz is a massive, tower-like, free-standing building. The dominant building on the site was and still remains the old turbine building. Various additions reduced the impact made by this building, with the result that the high-energy processes on the power station site were no longer externally legible. Through the forma idiom it employs the new building attempts to depict these processes.

Image Courtesy © Rasmus Norlander

Image Courtesy © Rasmus Norlander

  • Architects: Bechter Zaffignani Architekten, Bregenz
  • Project: TIWAG POWER STATION CONTROL CENTRE WITH VISITOR CENTRE
  • Location: Dr Meinrad Praxmarerstrasse, 6424 Silz, Tirol
  • Photography: Rasmus Norlander, Zürich, Stockholm
  • Client: Tiroler Wasserkraft AG, Innsbruck
  • Project participants: Baumanagement Oswald (construction management, planning of building services and electrical services), ZSZ Ingenieure, Maurer and Partner (control room design), Weithas Bauphysik, K&M Brandschutzplanung, Comparex Austria (IT planning), Teindl Ziviltechniker (geology , hydrology), Zumtobel Licht, Fröschl AG (concrete construction), Luzian Bouvier (building services), Airtech (ventilation), Fiegl&Spielberger (electrical services)
  • Procedure: competition for a new building for the power station control centre with visitor centre, Silz | 1st prize, EU-wide,limited entry competition according to Austrian federal procurement law with selection of entrants (prequalification)
  • Realisation: 2012-2014

Image Courtesy © Rasmus Norlander

Image Courtesy © Rasmus Norlander

In terms of height, width and axial orientation the new building relates to the turbine building. Its shape takes up and continues the existing spatial direction of the turbine building. A new, clear and expressive volume is made that conveys a sense of the energy processes on the power station site. The control centre now marks the spatial centre of the power station site and connects the neighbouring volumes to create an urban structure.

Image Courtesy © Rasmus Norlander

Image Courtesy © Rasmus Norlander

The materialization and the colour of the new building relate to other structures in the area of hydraulic engineering. Concrete is the ideal material for providing sufficient resistance to the enormous force of water used to generate energy. Like no other material it conveys a sense of security and longevity. The brown colour of the smooth exposed concrete surfaces – achieved by the addition of iron oxide pigment – refers to the dynamic components of the generation of power. Pressure pipe lines, turbines and transformers are all made of metallic materials produced from iron ore.

Image Courtesy © Rasmus Norlander

Image Courtesy © Rasmus Norlander

The idea behind the control centre is based on stacking the individual functions vertically, with each functional unit organised on a separate floor level. This clear hierarchy simplifies the administration of the access and security areas and allows a linear networking of the infrastructure. In terms of the amount of space needed the control centre area with the control room is a special case. The need for extra height in the control room allowed the development of an expressive and yet logical building volume. The building’s emphatic verticality is given an additional horizontal moment and creates a powerful gesture towards the north.

Image Courtesy © Rasmus Norlander

Image Courtesy © Rasmus Norlander

In response to the user’s requirement for glare-free offices, the east and west facades have no openings. These solid panels form a load bearing external envelope that is thermally detached from the internal walls and the floor slabs. The solid concrete parapets on the south and north facades function as upstand or downstand beams and serve to structurally strengthen the floor slabs. The connection between the internal and external construction is made by means of stainless steel inserts and stainless steel shear dowels.

Image Courtesy © Rasmus Norlander

Image Courtesy © Rasmus Norlander

The foundations consist of a one-metre-thick foundation slab dimensioned to deal with the eventuality of an earthquake, which is additionally anchored by tension piles. Built according to the low energy construction method, the new building is insulated on the inside. A ground water well supplies the energy required for both the heat pump and the cooling plant. Thanks to the relatively high internal heat loads resulting from the technical appliances only a small amount of heating energy has to be supplied.

Image Courtesy © Rasmus Norlander

Image Courtesy © Rasmus Norlander

The visitor centre is a narrow, elongated building that forms the boundary to open space. It has full-height glazing towards the road. A continuous strip of high-level glazing in the back wall allows visual contact with the power station complex to the south.

Image Courtesy © Rasmus Norlander

Image Courtesy © Rasmus Norlander

Image Courtesy © Rasmus Norlander

Image Courtesy © Rasmus Norlander

Image Courtesy © Bechter Zaffignani Architekten

Image Courtesy © Bechter Zaffignani Architekten

Image Courtesy © Bechter Zaffignani Architekten

Image Courtesy © Bechter Zaffignani Architekten

Image Courtesy © Bechter Zaffignani Architekten

Image Courtesy © Bechter Zaffignani Architekten

Image Courtesy © Bechter Zaffignani Architekten

Image Courtesy © Bechter Zaffignani Architekten

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Categories: Building, Control Centre, Tower, Visitor Center

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