064 AUDITORIUM LIGHTING / BYU-IDAHO CENTER, IDAHO, USA
array provides a theatrical look and feel to the space. An all metal halide downlight system is provided for lectures, clean up and set up. These fixtures are switched and provide a high colour rendering, energy efficient and longer lamp life system for everyday use. When high light levels are required both systems may be used together to double the light level of either system used alone.
“The most important consideration was ease of operation and the ability to set up different light levels and looks depending upon the use of the auditorium, since the space will be used for performances and lectures. We wanted to design a system that would make the transition between the two different operating modes seamless and in- expensive by employing a dual system. For every day use such as lectures and gather- ings energy efficient long life lamps will be used. A warmer performance environment is required for special events and to that end fully dimmable incandescent lamps were selected to provide that soft glow so crucial to adding life to a performance space. Another important requirement was for the lighting of the auditorium to create a pleas- ant ambience during live broadcasts.” Decorative lighting elements assist in pro- viding a degree of visual relief in the large volume. At the leading edge of both balco- nies are glowing sconces that add rhythm
and sparkle to these long horizontal edges. At the rear of the main floor and at the back of each balcony level soft, glowing re- cessed ceiling fixtures were used in lieu of downlights. Surface mounted glowing wall sconces further enhance these locations. The combination of these lighting elements provides a softer glow to the lighting and contributes to the illumination of the ceil- ing and walls making these areas feel more spacious. The large side walls above the caliper side balconies feature three very tall vertical recessed sconces each. These glowing elements are backlit with dimmed LEDs in a very shallow enclosure. The decorative nature of this group of fixtures also adds lightness and sparkle into spaces. Caliper walls break down the massive main floor and help to create a more intimate feel in the huge volume. These walls were lit to accent and emphasize the rich wood finish. Low level steplights hidden in aisle side chairs and recessed into side walls complete the design and provide low level lighting during performances for all aisle ways and exit paths. According to French: “We met and ex- ceeded our design challenge, bringing a 15,000-seat auditorium and large lobby into a comfortable scale, while providing a light- ing system that is maintainable and energy efficient.”
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The 76,000 square foot main lobby posed access challenges for maintenance of the lighting. To combat this, catwalks were built into the attic space above the ceilings to access downlights and accent lights. Where this was not possible, faceted mirror systems were fixed to the ceiling aiming at specific areas on the floor.
PROJECT DETAILS
BYU-Idaho Center Auditorium, Idaho, USA Client: Brigham Young University Architect: FFKR Architects
Lighting Design: Auerbach Glasow French Team: Larry French, MIES, LC, FIALD - Principal in Charge; Yukiko Yoshida, MIES, LC, IALD - Senior Associate and Project Manager; Marlene Lieu, LEED AP - Assistant Designer; Lily Tom - Technical Designer
LIGHTING SPECIFIED
Kurt Versen, Winona, Bega, Zumtobel, DAC, Focal Point, Selecon, GE Tetra, Lighting Services Inc., Deltalight, Insight, Columbia, Alera, ETC Paradigm Controls
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