Rebecca Ho LightingElectrical Bahen Centre for Information Technology

Rebecca Ho ~ Lighting/Electrical Bahen Centre for Information Technology University of Toronto, Ontario, Canada TM Schematic Design Proposal Rebecca Ho Lighting/Electrical Option December 10 th, 2002 Bahen Centre for Information Technology – University of Toronto

Building Location Rebecca Ho ~ Lighting/Electrical The Bahen Centre for Information Technology is located in the heart of downtown Toronto in Ontario, Canada. It is located in the St. George campus of the University of Toronto, at the intersection of St. George and College Street. Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical Building Information Photo Credit Diamond & Schmitt Architects Inc. Owner: University of Toronto Architect & Planning: Diamond & Schmitt Architects Incorporated General Contractor & Construction Management: PCL Constructors Canada Electrical Engineers & Lighting Design: Crossey Engineering Limited Mechanical Engineers: Keen Engineering Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical Building Features • Total building area 377, 000 ft 2 (8 stories) • Project cost $100 Million dollars ($150 Million Canadian dollar) • Featuring lecture halls, seminar rooms, offices, and laboratories • It is the largest of its kind among Canadian Universities nationwide Photo Credit Diamond & Schmitt Architects Inc. Bahen Centre for Information Technology – University of Toronto

Building Use Rebecca Ho ~ Lighting/Electrical Photo Credit Diamond & Schmitt Architects Inc. • Facility for information technology, electrical engineering, computer engineering, and industrial engineering education at the University of Toronto. Photo Credit Diamond & Schmitt Architects Inc. Bahen Centre for Information Technology University of. Architects Toronto Photo Credit – Diamond & Schmitt Inc.

Rebecca Ho ~ Lighting/Electrical Design Metaphor “The Computer Chip and Motherboard” Symbolizes the acquisition and generation of knowledge and information Bahen Centre of information technology is a place for the education and research of information technology Symbolized by glowing objects (light of knowledge) and strategically placed smaller marker light sources representing the organizational structure of information and the physical appearance of a motherboard Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical Spaces • Gallery 1134 • Lecture Hall 1210 • Meeting Room 4287 • Outdoor Patio (on 4 th floor) N Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical General design goals for all four spaces • To provide quietness, non-cluttered, and a clean look • To highlight architectural elements and attract attention • To provide an energy efficient design • To maintain design metaphor throughout all the spaces Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical First space to consider • Gallery 1134 • Lecture Hall 1210 • Meeting Room 4287 • Outdoor Patio N Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical Gallery The gallery space is a corridor enclosed by a glass lined wall of auditorium #1130… N Ground Floor Plan …and a large plane of windows facing the pedestrian walkway of St. George Street. Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical Gallery The large windows adjacent to the sidewalk makes this a very visible area from outside. Computer lab and auditorium walls are lined with glass panels, which will provide sunlight into those spaces N Ground Floor Plan Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical Gallery Design Criteria • To direct movement through the corridor • To be adequately lit to promote safety • Direct glare and shadowing issues from overhead luminaire should be considered • To add visual interest to the corridor space • Target illuminance – Horizontal: 5 fc (50 Lux) Bahen Centre for Information Technology – University of Toronto

Gallery Rebecca Ho ~ Lighting/Electrical Design Concept Goal: To eliminate clutter in the space and achieve a clean look Use patterned ceramic fritted glass for glass panels on wall. Corridor will be lighted indirectly by the light shining through the glass. Backlight frit glass panels from above to create a grazing effect. Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical Gallery Design Concept continued… Wall wash fixture with glass wall detail Fixtures will be placed inside the auditorium and computer lab side of the glass to avoid glare for occupants of those rooms. Bahen Centre for Information Technology – University of Toronto

Gallery Rebecca Ho ~ Lighting/Electrical Design Concept (Ceramic Fritted Glass side note) • “Ceramic fritted glass consists of a ceramic based paint screen-printed onto glass. The glass is then heat strengthened or toughened which fuses the paint to the glass creating a permanent durable coating” - National Glass Catalogue and Reference Guide 2000 Examples of Application: • Can be used to filter light or reduce glare with different pattern designs. • When fritted glass is used in conjunction with a light source, it can create a “glowing” visual appearance. Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical Gallery Design Concept continued… Goal: To enhance architectural elements (curved glass wall) The lighted fritted glass panels will create a “glowing” curved wall appearance for onlookers from the outside. Fiber optics lining the top and bottom of the curved wall, creating movement along the corridor. Bahen Centre for Information Technology – University of Toronto

Gallery Rebecca Ho ~ Lighting/Electrical Design Concept continued… Goal: To attract the attention of pedestrians looking through windows The lighted fritted glass panels will create a “glowing” curved wall appearance for onlookers from the outside. It also represents the metaphor for the project, where the glowing wall symbolizes a source of knowledge and information. Bahen Centre for Information Technology – University of Toronto

Gallery Rebecca Ho ~ Lighting/Electrical Design Concept continued… Goal: To provide adequate illuminance safety in the corridor Corridor will be lighted indirectly by the light shining through the glass. Bahen Centre for Information Technology – University of Toronto

Gallery Rebecca Ho ~ Lighting/Electrical Lighting Equipment Side emitting fiber encased along top and bottom of curved wall in Gallery. Ceiling mounted, small concealed, one lamp fluorescent T-8 wallwash fixture. Fritted glass washed by linear fluorescent fixture will become a light source itself, lighting up the corridor. The patter of the frit should be horizontal to promote movement along the gallery. Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical Next space to consider • Gallery 1134 • Lecture Hall 1210 • Meeting Room 4287 • Outdoor Patio N Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical Lecture Hall The lecture hall is equipped with an overhead video projector, screen for the projector, and blackboard at the front of the room. This 85 seat Lecture Hall features eight rows of seats on a stepped floor. The room does not have windows. The side walls of the lecture hall features mahogany wood architectural detail designed by the architect. N Ground Floor Plan Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical Lecture Hall Design Criteria • Consider veiling reflections on table and blackboard, glare, and reflected glare issues of the space • Lighting of the vertical surfaces such as chalkboards • Visual appearance of lecturer at the front of the room and shadows • Provide different levels of illumination for different tasks (lecture, note-taking, audiovisual presentation) • Target Illuminance: – Horizontal: 50 fc (500 Lux) – Vertical: 50 fc (500 Lux) Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical Lecture Hall Design Concept Goal: To provide an even ambient lighting scheme that causes minimal shadow and glare Suspended indirect/Direct fixtures (with LED lights on the bottom side) to provide a comfortable, diffuse illumination for the entire space. Fixtures will be aligned orthogonally to the orientation of the rows of tables to avoid glare from the downlight portion of the fixtures. Bahen Centre for Information Technology – University of Toronto

Lecture Hall Rebecca Ho ~ Lighting/Electrical Design Concept continued… The LED on the fixture continues to symbolize the project metaphor Bahen Centre for Information Technology – University of Toronto

Lecture Hall Rebecca Ho ~ Lighting/Electrical Design Concept continued… Goal: To highlight the architectural detail in the space Cove lighting for drop ceiling to illuminate the perimeter of the room, preventing the “caved-in” feeling. The lights will also highlight the mahogany wood architectural detail mounted on the walls all around the room. Bahen Centre for Information Technology – University of Toronto

Lecture Hall Rebecca Ho ~ Lighting/Electrical Design Concept continued… Bahen Centre for Information Technology – University of Toronto

Lecture Hall Rebecca Ho ~ Lighting/Electrical Design Concept continued… Bahen Centre for Information Technology – University of Toronto

Lecture Hall Rebecca Ho ~ Lighting/Electrical Design Concept continued… Goal: To provide adequate illuminance for the vertical surfaces at the front of the room Recessed asymmetrical fluorescent fixture to light vertical surfaces (blackboards, screen) and lecturer at the front of the room Bahen Centre for Information Technology – University of Toronto

Lecture Hall Rebecca Ho ~ Lighting/Electrical Design Concept continued… Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical Lecture Hall Control Systems Requirements: Special controls are need to set different scenes and zones of lighting for the lecture hall. The control should have the capability to dim different groups of lighting required for various tasks and to achieve a desire illuminance level on the various workplane levels. At least two different scenes will be required for: • Regular lectures and note-taking • Audio-visual presentations Bahen Centre for Information Technology – University of Toronto

Lecture Hall Rebecca Ho ~ Lighting/Electrical Control Systems continued… A number of dimming zones must be set up for the linear fluorescent fixtures so that there will be the same illuminance level for the different desktop elevation levels of the room. An additional zone should also be set up for the front of the room and another zone for the cove lighting around the room. Zone 1 – Front of the room for vertical surfaces and face rendering Zone 2, 3, 4 – Above desks and seats for tasks such as note taking and reading Zone 5 – Cove lighting region Bahen Centre for Information Technology – University of Toronto

Lecture Hall Rebecca Ho ~ Lighting/Electrical Lighting Equipment Direct/indirect fluorescent cable suspended fixture with LED on the bottom. Fixtures will be arranged end to end (tandem wiring) and complete with a dimmable ballast. 1’x 4’ recessed wall wash fixture for lighting blackboard, screen and vertical surfaces at the front of the room. Small concealed, one lamp fluorescent T-8 (32 W) wallwash fixture with remote transformer. Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical Third spaces to consider • Gallery 1134 • Lecture Hall 1210 • Meeting Room 4287 • Outdoor Patio (on 4 th floor) N Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical Meeting Room Approximately half of the perimeter of this circular room is constructed of glass panels (similar to Gallery). The meeting room is located on the 4 th floor within the core of the grand spiral staircase in the atrium. 4 th Floor Plan The ceiling of the room is a drop ceiling with two columns at the edge of the room. A large conference table is located in the center of the room Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical Meeting Room Design Criteria • The lighting system should provide an even, comfortable ambient lighting level for meetings. It should be a dimmable which is useful for audio/visual presentation and special purpose uses. • Sufficient vertical illumination for whiteboard and presentations • Facial rendering quality of lights should be considered • Target Illuminance • Horizontal 30 fc (300 Lux) • Vertical 10 fc (100 Lux) Bahen Centre for Information Technology – University of Toronto

Meeting Room Rebecca Ho ~ Lighting/Electrical Design Concept Goal: To highlight architectural detail (cove and circular room) Cove lighting for drop ceiling illuminates the perimeter of the room, preventing the “cavedin” feeling. It also highlights the architectural circular ceiling to make it “float”. Bahen Centre for Information Technology – University of Toronto

Meeting Room Rebecca Ho ~ Lighting/Electrical Design Concept continued… Goal: To provide an even ambient lighting for the space Dimmable compact fluorescent downlight provides even ambient lighting for the space. Bahen Centre for Information Technology – University of Toronto

Meeting Room Rebecca Ho ~ Lighting/Electrical Design Concept continued… Goal: To generate interest in the space and showcase architectural features Bahen Centre for Information Technology – University of Toronto

Meeting Room Rebecca Ho ~ Lighting/Electrical Design Concept continued… Bahen Centre for Information Technology – University of Toronto

Meeting Room Rebecca Ho ~ Lighting/Electrical Design Concept continued… Bahen Centre for Information Technology – University of Toronto

Meeting Room Rebecca Ho ~ Lighting/Electrical Design Concept continued… Bahen Centre for Information Technology – University of Toronto

Meeting Room Rebecca Ho ~ Lighting/Electrical Lighting Equipment LED strip light with RGB color mixing capability 32 W Triple Tube compact fluorescent downlight fixture with a medium beam, and open reflector. Small concealed, one lamp fluorescent T-8 (32 W) wallwash fixture with remote transformer. Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical Fourth spaces to consider • Gallery 1134 • Lecture Hall 1210 • Meeting Room 4287 • Outdoor Patio (on 4 th floor) N Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical South Courtyard Located in the southwest end of the Bahen Centre. All the rooms on the south side of the building has a view of the courtyard. Ground Floor Plan It features a green lawn area, groups of trees, and a custom designed water feature Bahen Centre for Information Technology – University of Toronto

South Courtyard The water feature consists of three concrete-casted silos used to collect rain water. Rebecca Ho ~ Lighting/Electrical The collected rain water is then drained into troughs and trickle down to the pool. It then flows to a lower level trough (which runs north/south) and to another trough which is at street level to College Street. Bahen Centre for Information Technology – University of Toronto

South Courtyard Rebecca Ho ~ Lighting/Electrical Design Criteria • To promote safety and security to the area by providing sufficient lighting at night • To direct movement through dark paths in the courtyard • To attract attention to the water feature the building, while eliminating glare to the adjacent buildings caused by lighting • Target illuminance: – Horizontal: 5 fc (50 Lux) – Vertical: 2 fc (20 Lux) Bahen Centre for Information Technology – University of Toronto

South Courtyard Rebecca Ho ~ Lighting/Electrical Design Concept Goal: To attract attention to the water feature and provide sufficient illuminance for safety in the outdoor space Bahen Centre for Information Technology – University of Toronto

South Courtyard Rebecca Ho ~ Lighting/Electrical Design Concept continued… Submersible uplight fixtures are recessed into the bottom of the trough. (Similar application) Steplights used at the base of the water trough to provide a well lit path for pedestrians through the courtyard Bahen Centre for Information Technology – University of Toronto

South Courtyard Rebecca Ho ~ Lighting/Electrical Design Concept continued… Mounting detail for LED fixture inside silo Bahen Centre for Information Technology – University of Toronto

South Courtyard Rebecca Ho ~ Lighting/Electrical Design Concept continued… Trees will be lighted individually from the bottom. This is for aesthetics reasons but also for safety purposes (so that people will not run into trees when walking across courtyard) (Similar application) Bahen Centre for Information Technology – University of Toronto

South Courtyard Rebecca Ho ~ Lighting/Electrical Design Concept continued… Bahen Centre for Information Technology – University of Toronto

South Courtyard Rebecca Ho ~ Lighting/Electrical Design Concept continued… Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical South Courtyard Design Concept continued… Circular wall lights will be place at steps on the pathway that runs north/south from the courtyard to provide enough light for pedestrians walking on the steps. LED marker lights will be casted into the concrete ramp for handicap access next to the steps on the path. This will create an “airport runway” effect that will guide people in or out of the courtyard to the street. Bahen Centre for Information Technology – University of Toronto

South Courtyard Rebecca Ho ~ Lighting/Electrical Design Concept continued… Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical South Courtyard Design Concept continued… (Example of similar application) Also, inground LED fixtures are to be used in the central portion of the courtyard. These fixtures will be arrange in a pattern paralleling the pattern of dots on a motherboard. Bahen Centre for Information Technology – University of Toronto

South Courtyard Rebecca Ho ~ Lighting/Electrical Design Concept continued… Another example of similar application Bahen Centre for Information Technology – University of Toronto

South Courtyard Rebecca Ho ~ Lighting/Electrical Design Concept continued… Bahen Centre for Information Technology – University of Toronto

South Courtyard Rebecca Ho ~ Lighting/Electrical Lighting Equipment Outdoor rated (wet location) LED wall wash fixture to be mounted on the inside of silo The 120 V base mounted fountain fixture uses a 200 W PAR 46 lamp. This fixture will be place in all the troughs where the water flow from the silos to the lowest trough at street level. Floor washlight with low voltage halogen tungsten lamp to be installed into the concrete of the troughs to light pathway adjacent to it. Bahen Centre for Information Technology – University of Toronto

South Courtyard Rebecca Ho ~ Lighting/Electrical Lighting Equipment continued This LED orientation luminaire is used as marker lights to illuminate the ramp going towards the courtyard to provide orientation for pedestrians. Bahen Centre for Information Technology – University of Toronto

Rebecca Ho ~ Lighting/Electrical The end Bahen Centre for Information Technology – University of Toronto