The project named “New light for Ponte Vecchio” is born with the purpose to upgrade the lighting of Ponte Vecchio in Florence to the appropriate use of the new LED technologies in order to guarantee a drastic cut down on the maintenance costs of the structure.
The light design always implies big technical competences and any installation becomes a challenge, even more if it is installed outdoor, but the companies involved (Welt Electronic, DGA, Silfi, Nichia as well as Design Campus of Florence University) in this project realization have not only thought to the related problems and difficulties. The most fascinating challenge, in fact, was to find the ability to consider the light sources as an expressive instrument, with the use of new technologies and by respecting the historical value and architectural meaning of the bridge.
After the Design Campus students realization of all the renderings for the bridge, the Silfi architect Claudio Villario realized the lighting project in cooperation with Antonio Di Gangi, CEO of DGA, with the purpose to identify the best possible solutions for a suitable intervention on the glorious architectural background.
Thanks to its know-how, DGA designed and manufactured the fixtures with the guarantee of the “Made in Italy” all along the production cycle: DGA, in fact, produces all the fixtures components internally. For the project of Ponte Vecchio two total new products have been created: the “Quantum P” (outdoor fixtures with 2000 lumen output) and the “Pegaso”, LED floodlights situated on the Arno parapets (very powerful fixtures with a 14000 lumen output). Both the products are supplied with stirrups and drivers system. The installation, realized by Silfi, also provided Ponte Vecchio with the DALI control system, an advanced technology which is able to manage the lighting levels and each LED fixture actions through an electronic controller.
Two different Nichia LED sources have been used: Power LED series 219B and COB-B which have both a 2700K LED color temperature and high CRI (CRI90 minimum). Another peculiarity of the first LED source is the “Flip Chip” technology that displays a critical element less than the rest of the LED suppliers technologies, because it actually eliminates the wire bonding process used for the connection between anode and cathode.
A complex project then, guaranteed by the technology used and, above all, by the people involved who perceive the suitable lighting as an art form itself.
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