Project team:


Client: the Borough of Brugg/CH
Architects: Ingenieurbüro Conzett, Bronzini, Gartmann AG, Chur/CH
Lighting design: Miloni & Partner
Realisation: Inventron AG, Alpnach Dorf/CH

 

Products applied:


LEDs: Osram Optoelectronic
Electronic equipment: Rutronik Elektronische Bauelemente GmbH,
Ispringen/D

14. Nov 2011

Precision
An example of the precicion of LEDs: the Mülimatt footbridge oder the River Aare in Windisch/CH

Text: Sandra Lindner, Joachim Ritter
Photos: Inventron AG und Rutronik Elektronische Bauelemente GmbH

Strict budget, sustainability, high utility value and Swiss clockwork precision: the lighting for the Mülimatt footbridge over the Aare in the Swiss town of Windisch addresses all those aspects – and the LED lighting solution plays a substantial role in hitting target on all of them. LEDs made it possible to generate some extraordinarily artful and original lighting effects. Minimal energy consumption and as little spill light as possible demonstrate respect for the natural environment and were a key argument when developing the concept, but that is nothing new…

Local building authorities, the police, and companies operating public facilities currently have high demands when it comes to lighting schemes and lighting infrastructures. The main issues they are concerned with are energy and cost efficiency, safety and the enhanced control of spill light and light pollution (Dark-Sky qualities), and the protection of insect life. In addition, in lighting schemes more weight is being placed on urban design and the treatment of historical monuments – light is not only seen as a cultural asset for improving our living and working conditions in interior spaces, but also as a means of communicating and ensuring safety and aesthetic appeal in outdoor environments without incurring negative side effects. Such issues can be overcome using LED technology.
The designers working on the lighting for the Mülimatt footbridge over the Aare in Windisch in the canton of Aargau in Switzerland therefore opted for LED technology. The building of a new sports training centre in Mülimatt made it the necessary to build a footbridge as a means of access over the river. For pedestrians and cyclists the bridge offers the quickest route from the car park to the gymnasiums on the other side of the river.
It also links the recreation areas on both sides of the River Aare and thus relieves local roadways of bicycle traffic. To enable people to use the new sports training centre right from the start, the footbridge also needed to be ready for the inauguration of the building. The local authorities set great store by high engineering quality and a design that would be compatible with the surrounding countryside. The bridge itself is not exactly an architectural masterpiece.
It has a casual, friendly look to it, but is otherwise typical of what one expects of architecture today: simple forms and cost-efficient. Even the sports training centre in the background is a little reminiscent of the brutalist architecture which we were exposed to but never really got used to in the 1950s to 1970s. The footbridge develops special qualities after nightfall when it is lit, the light rendering the mundane structure interesting and exciting. The uniformity of the railings suddenly becomes the basis for a design feature and for the flow of light over the bridge. Viewed from the outside, the railings look like a self-luminous wall. The light reflecting between the bars generates this effect. […]
The full version of the article can be found in PLD No. 79.

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