Open Invitation Concealed sources showcase original architecture through new glass walls at the National Arts Centre in Ottawa - Lightemotion

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Open Invitation Concealed sources showcase original architecture through new glass walls at the National Arts Centre in Ottawa - Lightemotion
NATIONAL ARTS CENTRE                                                                                             NATIONAL ARTS CENTRE

Open
Invitation
Concealed sources showcase original                                                                                A glazed curtain-
                                                                                                                   wall enclosing the new
architecture through new glass walls at
                                                                                                                   entry is more inviting than
the National Arts Centre in Ottawa                                                                                 the building’s original
                                                                                                                   reinforced concrete.
  BY SAMANTHA SCHWIRCK

L
       ocals who ordinarily stroll right by the National
       Arts Centre (NAC) in downtown Ottawa might
       now catch themselves doing a double take.
To be clear, the concrete, Brutalist-style “fortress for
the arts,” built in 1967 to commemorate Canada’s
Centennial, has not been demolished or replaced. In-
stead, a $110-million overhaul of the building, led by
Toronto-based Diamond Schmitt Architects and fin-
ished in July 2017, has completely transformed the 1
million-sq ft performing-arts hub. While many of the
structure’s original architectural motifs have been re-
tained, the new NAC is fully “open” to the public, with
glass windows and walls exposing warm, wooden in-
                                                            Photos: Younes Bounhar

teriors that invite users inside.
  Of the NAC’s renovation goals, establishing this
sense of transparency to connect the building with
the city and its residents was at the top of the list—and

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Open Invitation Concealed sources showcase original architecture through new glass walls at the National Arts Centre in Ottawa - Lightemotion
NATIONAL ARTS CENTRE                                                                                                                                                                                                                              NATIONAL ARTS CENTRE

                                                                                                                                                                                            the project in 2015. “The NAC is like the Lincoln       Visible sources
                                                                                                                                                                                                                                                    including LED
                                                                                                                                                                                            Center of Canada, and the theater remained
                                                                                                                                                                                                                                                    downlights were
                                                                                                                                                                                            open through the renovation,” he adds—yet an-           used to make
                                                                                                                                                                                            other challenge for the design team.                    amenities like the box
                                                                                                                                                                                              An even greater obstacle, Roupinian says, was         office stand out.

                                                                                                                                                                                            integrating the fixtures into the architecture, and
                                                                                                                                                                                            then making the system dynamic. “For me, what
                                                                                                                                                                                            had to stand out was the architecture, and it was
                                                                                                                                                                                            really important not to upstage that, so every-
                                                                                                                                                                                            thing we used needed to be tucked away. It all
                                                                                                                                                                                            had to be subtle and we avoided anything too
                                                                                                                                                                                            different,” Roupinian explains. “We were chal-
The ceiling is            lighting played an integral role in its execution.    is available. There’s a coffee shop and rehearsal   concrete construction in favor of a 28,300-sq ft        lenged to find a way to push the boundaries of
similar to a Lite-Brite   Following a bidding process, the client selected                                                          glazed curtain-wall system enclosing former ter-
                                                                                halls; choirs practice in the lobby. The goal was                                                           lighting elements as part of structures. How
toy: each triangle’s
central dot looks like
                          François Roupinian of Lightemotion, Montreal,         really to open the space to the public, make it     race areas.                                             would we integrate lighting into gypsum ceilings
a light source, but       to oversee the project’s lighting plan, perhaps in    more usable, and create a memorable experi-           Inside the transparent walls is another hom-          or incorporate fixtures into the triangle structure
illumination actually     part because of the firm’s design philosophy. “We     ence in every way, shape and form for the users.”   age to geometry: hexagonal prefabricated wood           to make it a seamless space?”
comes from laser-blade
                          have a very artistic approach,” Roupinian explains.                                                       coffers cover the ceiling, functioning as both
LEDs concealed
between panels.           “Lighting for me is going beyond quality and be-      GEOMETRIC ROOTS                                     acoustic panels and structural support. While           LASER IMPACT
                          yond beautifying the space. It’s a sensory experi-      While improved performance and event spaces       the curtain-wall system helped with one part of           For the beehive-like ceiling that extends
                          ence—how do we feel? How do we design for the         were included in the renovation, the enhanced       the lighting mandate—to introduce daylight into         through new front-of-house spaces—past the en-
                          users? I think the client-centric sensory approach    curbside appeal comes from a new marquee            the design—the challenge of illuminating the rest       try and atrium to lobbies and other multipurpose
                          for the users was very important for the NAC.”        tower designed as an extension of the structure’s   of the interior spaces, including the intricate ceil-   areas—laser-blade LED fixtures (iGuzzini) were
                            “The center is also open morning to night,”         original geometric qualities, based on triangular   ing structure, remained.                                concealed between each of the triangle struc-
                          Roupinian says. “It’s a public space, not just a      and hexagonal shapes. Marking the building’s new     “It was a very big undertaking in a very short         tures that make up the hexagons. The fixtures
                          theater or a lobby. Show or no show, the space        entry, the addition eschews the old reinforced-     time,” says Roupinian, who began working on             include a laser-blade LED chip, located behind a

32   LD+A January 2019                                                                                                www.ies.org   www.ies.org                                                                                                       January 2019 LD+A      33
Open Invitation Concealed sources showcase original architecture through new glass walls at the National Arts Centre in Ottawa - Lightemotion
NATIONAL ARTS CENTRE                                                                                                                                                                                                                                                      NATIONAL ARTS CENTRE

                                                                   Double                                                                                                                                                     in the ceilings. The angle of the belly-button tricks
                                                                                                                                                                                                                              does as well. “The worst thing is to have a differ-

                                                                   Feature                                                                                                                                                    ent approach—a square fixture, a round fixture—
                                                                                                                                                                                                                              throughout,” Roupinian says. “This is meant to
                                                                     Illumination of the Kipnes Lan-
                                                                                                                                                                                                                              be timeless and simple, and it was a very intricate
                                                                   tern, a hexagonal tower rising dra-
                                                                                                                                                                                                                              and tough process to achieve that—to have the
                                                                   matically above the National Arts                                                                                                                                                                                        Linear LEDs marking
                                                                                                                                                                                                                              same approach through the gypsum ceiling, the
                                                                                                                                                                                                                                                                                            an entry vestibule
                                                                   Centre’s new front entrance, was                                                                                                                           high ceiling, the surface mount … an approach                 disappear once guests
                                                                   another significant factor in the                                                                                                                          that is sustainable and deployed throughout.”                 pass through the door.
                                                                   building’s rejuvenation. The glass
                                                                   tower     incorporates       transpar-                                                                                                                     FLEXIBLE CONTROL
                                                                   ent LED screens that display still                                                                                                                           The theater is equipped with an ETC system
                                                                   images and dynamic video con-                                                                                                                              that is connected to the DMX system used in pub-

                                                                   tent. Montreal-based multime-                                                                                                                              lic spaces. “It’s very versatile,” Roupinian says.
                                                                                                                                                                                                                              “Everything is able to move and change, and there
                                                                   dia studio Moment Factory was
                      Works by award-winning Michif (Métis)                                                                                                                                                                   are touch pads in each room as well as a general
Photo: Trevor Lush

                      visual artist Christi Belcourt appeared      responsible for the lantern’s light
                                                                                                                                                                                                                              control.” The light levels adhere to IES recom-
                      on the lantern to celebrate National         programming and ClearLED, Van-
                      Indigenous Peoples Day.                                                                                                                                                                                 mendations, but vary throughout the day. “In the
                                                                   couver, provided the LED screens
                                                                                                                                                                                                                              daytime it’s very bright, then around 5 p.m. the
                     for the design. Installed on four sides of the tower, the screens create a                                                                                                                               levels go down,” Roupinian says. “They go back
                     grid of LEDs that is unnoticeable when not in use, so as not to deter from                                                                                                                               up around 7:30 p.m. before a show, then down
                     views into the building. When the screens are on, the lantern becomes                                                                                                                                    again at intermission for intimacy, then back up
                     a high-definition display surface, highlighting upcoming productions at                    Illumination flowing out of the crevices creates      VISIBILITY GAMES                                        once more after the show.” The range and flex-
                     the NAC, as well as images of Canada’s leading artists and productions.                  an overall glow, as well as patterns and movement         The laser-blade fixtures were also used as con-       ibility is typical for Lightemotion projects. “Even
                                                                                                              based on daylight through the walls, and the fix-       cealed sources in areas beyond the entry. Sur-          if it’s a shopping mall, we never have a single light
                                                                                                              tures can be controlled or dimmed via a DMX sys-        rounding the box office, for example, the fixtures      level. I always specify a control system that can
                                                                                    Samantha Schwirck
                                                                                                              tem. “All of the fixtures are individually address-     are tucked between acoustic triangular ceiling          vary,” Roupinian says. “Spaces are used by differ-
                                                                                                              able to create a dynamic canvas with very slow          panels. “You can’t see the source or light, but the     ent users and the users are always changing. It’s
                                                    reflector as well as a glossy black bezel. “There’s       waves of light movement that evolve during the          floor is illuminated,” Roupinian explains.              our job to cater to that.” 
                                                    full cutoff so you never see the light source unless      day and change on different days during the week,”        Recessed LED downlights light the box office                                                                          FAST FACTS
                                                    you’re underneath it,” Roupinian says.                    Roupinian says. “It’s like a living organism.”          itself, offering one example of how the designers                                                                       •   Concealed
                                                                                                                                                                                                                              THE DESIGNER
                                                                                                                                                                                                                                                                                                  lighting ensures
                                                       Each triangle also has a small, indirect “light” in     “The ceiling really united the entire project,”        used “visible” light to make a statement and, in                            François Roupinian, IALD,
                                                                                                                                                                                                                                                                                                  architecture
                                                    the center—a lens-like structure without any light        he continues. “It’s a great environment inside,         this case, make an amenity stand out. Lightemo-                             Member IES (2012), is presi-
                                                                                                                                                                                                                                                                                                  remains the
                                                                                                                                                                                                                                                  dent and director of design at
                                                    source. “The dots are the ‘belly buttons’ or ‘tricks,’”   but also creates an exterior lantern effect. The        tion also played with the concept of visible light in                                                                       focal point.
                                                                                                                                                                                                                                                  Lightemotion, a firm with offices in
                                                    Roupinian says. “They give the impression it’s the        NAC promotes all these activities under one roof        entry vestibules illuminated by linear LEDs (Delta                          Montreal and Toronto. Roupinian             •   All sources are
                                                    light source when it’s not—the light sources are          and the ceiling conveys that idea from the out-         Light). “When you come in, you see the light with a                         has overseen more than 60 proj-                 3000K.
                                                                                                                                                                                                                              ects across five continents in the culture, trade retail,       •   Triangles used
                                                    hidden in the black parts of the floating triangle,       side—like a beehive of creation that encloses all       frosted lens, but when you cross the next door, the
                                                                                                                                                                                                                              institutional, commercial and hospitality sectors.                  for the ceiling
                                                    like a Lite-Brite [toy].” Lightemotion worked with        of the activities.”                                     sources cannot be seen anymore,” Roupinian says.
                                                                                                                                                                                                                                                                                                  look like wood
                                                    both the architect and the NAC to perform mock-             Aside from the laser-blade LEDs, there is only          While the number of fixture types used through-                                                                           but are made
                                                    ups and testing for the ceiling effect. “If the light-    one other fixture type (Lumenpulse Lumenfa-             out the NAC was limited, the team’s attention to                                                                            of perforated
                                                    ing was too high, it’d create scallops on the walls. If   çade) used in the new atrium, to graze a row of         detail was not. The angle of the downlights, for                                                                            veneer.
                                                    it was too low, we’d see the light source.”               concrete columns and create a barrier of light.         example, follows the same sight line as the lines

                     34   LD+A January 2019                                                                                                             www.ies.org   www.ies.org                                                                                                             January 2019 LD+A      35
Open Invitation Concealed sources showcase original architecture through new glass walls at the National Arts Centre in Ottawa - Lightemotion Open Invitation Concealed sources showcase original architecture through new glass walls at the National Arts Centre in Ottawa - Lightemotion
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