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PROJECT / MUCEM, MARSEILLE, FRANCE


Right The parallel beams of the roof structure create a series of coved troughs through the J4 building. In the permanent exhibition space, Licht Kunst Licht specified special arched brackets allowing lights to be positioned freely within the space.


Below right TTC Timmler Technology LED-Luc miniature spots pick out individual pieces in the ‘Cabinet des Curiosités’.


Pic: Studio Adeline Rispal / Luc Boegly


Pic: Studio Adeline Rispal / Luc Boegly


Pic: Studio Adeline Rispal / Luc Boegly


Pic: Studio Adeline Rispal / Luc Boegly


Pic: Verena Eidel


working with the architects to help create a suitable lighting strategy. They took re- sponsibility for the twin concrete footbridge that link the J4 roof terrace with Fort Saint Jean and the Fort’s east entrance with St Laurent church in Marseille’s old town. Although the construction of both bridges are similar - both share the same cross-sec- tional shape and ‘seamless’, single-form design - subtle differences exist between the two. This is a reflection of the change in light technologies that occurred between the prefabrication of each. Back when the link from J4 to Fort Saint Jean was commis- sioned, LED technology was an unproven technology, so the bridge was fabricated for traditional in ground luminaires. These were adapted to take LED fixtures, but the process was not without complication. When the second bridge between the Fort and St Laurent church was commissioned, the design was adapted to acomodate LED downlighting within the handrail.


INTERIOR


For the interior of the J4, 8’18” helped to develop a ceiling grill system that would provide ambient lighting for the museum exhibition halls, foyer and auditorium. Their solution was designed to fit within the ceiling support structure and is applied throughout the museum. The transverse structural beams form coved troughs for which special brackets were designed to


accommodate not just the ambient lighting, but also the power supplies to the exhibi- tion lighting, as well as incorporating speak- ers, security cameras and the fire detection system.


Ambient lighting manufacturered for in- stallation in standard trimless false ceilings had to be adapted with a metal support to fit the troughs. 70W and 35W metal halide were used, concealed behind a neutral grey glass so that they are visually unobtrusive when not in use.


The ground floor of the four-storey J4 build- ing houses the MuCEM’s permanent exhibi- tion with a lighting design by German-based Licht Kunst Licht. The space is organised in four sections, each addressing a different theme - agriculture, the three monotheistic religions, citizenship and human rights - yet the gallery retains a open, spacious feel. Arched brackets were developed in order to attach projectors into the ceiling troughs using a modified luminaire base. Thus, projectors can be positioned freely along the trough and their location on the arched bracket can be adapted to create the desired orientation and beam angle. The electrical connection with the concealed 3-phase-track occurs through a modified adapter with extended cabling. The LED projectors can be focused between 10° and 65° half-beam angle and are dimmable through an on-board rheostat. Barn doors on each projector limit light scallops on the


trough flanks and allow specific exhibits to be artistically illuminated with precision. A large part of the exhibits is illuminated from the ceiling, but individual display cases are fitted with additional lighting fea- tures. Table displays, for example, contain prominent exhibits that are treated with light from the sides of the case, provided by LED strips concealed behind a frosted glass cover. Similarly, the busts in the ‘Mur des Portraits’ (wall of portraits) are illuminated by lateral concealed LED strips. Amphorae and bowls are not exclusively lit from above. In order to allow for a full appreciation of the ceramics’ rich decora- tion the platforms themselves are luminous. A ‘Cabinet des Curiosités’ (cabinet of curi- osities) contains collectibles from all over the world – textiles, spices, stuffed exotic animals and more. Here, hidden linear light fixtures and LED mini-projectors illumi- nate the exhibits individually. The small projectors are fitted with a magnetic base and flexibly connect to a bespoke metal housing. The housing is recessed flush in a groove at the display case’s top. The result is a calm, engaging scheme that, while emphasising the large variety of different exhibits on display, retains and enhances the fabric of the space. www.8-18lumiere.com www.ykersale.com www.lichtkunstlicht.com


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