London: Tower Bridge dons led for the Queen and rings
The busy weekend in summer for the United Kingdom. For several months the country is preparing and the entire city of London also. The most famous bridge of London Tower Bridge in London has been recently entirely ready LED lights to celebrate the Diamond Jubilee of Queen Elizabeth II that marks its 60th anniversary as monarch. It is good also to the arrival of the Olympic Games this summer. The installation of this new lighting replaces a 25 year old existing system. By adding a splash of color to a bridge more than a century, the new lights will reduce the energy consumption of the famous monument of 40%.
The LEDs provide an almost endless palette of colors of lights. With this artistic side LEDs also provide a second benefit: energy savings. New lights will illuminate the bridge by improving its architectural features. By replacing the static lights with bulbs that can vary in intensity and color, London will at the same time reduce energy consumption considerably.
The new lights will be central during the Olympic Games of 2012 when Tower Bridge will be equipped with its giant Olympic rings throughout the 45 days of the Olympic Games. Passersby will see the new system tested in the coming weeks in order to be ready to serve as spectacular light display during key moments of the games.
Londoners will be able to enjoy the benefits of this new light long after the games. The new lighting system is implemented and should last at least 25 years. In total, 1,800 special LED high efficiency have been installed, with 2,000 meters of LED high-performance linear, 5,000 meters of cables and 1,000 boxes of connections. Multi-color dimmable LEDs so light on the bridge, its Victorian Gothic turrets, on the granite and the stone as well as on the air bridge towers and the suspension of channels.
The new lighting system has been developed specifically to enhance the aesthetics of the bridge and ensure efficient light into energy. More than 2 km of LED lighting architectural GE Lighting Tetra Contour have been installed on the stone and the steel structure of the bridge. Supplied in lengths of 2.44 m, it comes in the form of a flexible LED light system that can be molded in place to adapt to the shape of the architectural elements. Control systems have also been installed to change the ambiance of lighting based on different occasions.
The facades of the towers, including the piers of the bridge are lit by spotlights led (3 colors) able to illuminate them based on the wishes or needs. This system offers the possibility to vary the color of the light and its intensity on the basis of a scenography, produced through the DMX system.
For more information about implementing the LED on this building, you can see the final technical study.
Thanks to a negotiated by Mayor funding agreement between the city of London (which is the owner of the Tower Bridge), EDF Energy and General Electric (GE) the new lighting system is without any cost to taxpayers. The lighting of the bridge will be installed by the french firm Citelum, who designed the lighting of monuments such as the Eiffel Tower, Notre Dame de Paris, the Valley of the Kings in Egypt, or the twin towers Petronas in Kuala Lumpur, Malaysia.
During the games, a special permission was granted to make Tower Bridge in the backdrop of a spectacular installation of Olympic rings and Paralympic. Facilities proposed for the Tower Bridge is unique because it is a bascule bridge still in operation that opens to let river traffic on the Thames. Large 25 m by 11 m in height, the new facilities will be retractable so that larger ships can continue to pass under the bridge.
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