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

2. Building Location
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

3. Building Information Owner: University of Toronto
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

4. Building Features Total building area 377,000 ft2 (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.
Photo Credit Diamond & Schmitt Architects Inc.
Bahen Centre for Information Technology – University of Toronto

5. Building Use
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 Toronto
Photo Credit Diamond & Schmitt Architects Inc.

6. “The Computer Chip and Motherboard”
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

7. Spaces Gallery 1134 Lecture Hall 1210 Meeting Room 4287 Outdoor Patio
(on 4th floor) N
Bahen Centre for Information Technology – University of Toronto

8. 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

9. First space to consider
Gallery 1134
Lecture Hall 1210
Meeting Room 4287
Outdoor Patio N
Bahen Centre for Information Technology – University of Toronto

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

11. 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

12. 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

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

14. 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

15. Gallery 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
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.
Examples of Application:
Bahen Centre for Information Technology – University of Toronto

16. 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

17. Gallery 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

18. Gallery 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

19. Gallery 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

20. Next space to consider Gallery 1134 Lecture Hall 1210
Meeting Room 4287
Outdoor Patio N
Bahen Centre for Information Technology – University of Toronto

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

22. 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

23. 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

24. Lecture Hall Design Concept continued…
The LED on the fixture continues to symbolize the project metaphor
Bahen Centre for Information Technology – University of Toronto

25. Lecture Hall 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

26. Lecture Hall Design Concept continued…
Bahen Centre for Information Technology – University of Toronto

27. Lecture Hall Design Concept continued…
Bahen Centre for Information Technology – University of Toronto

28. Lecture Hall 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

29. Lecture Hall Design Concept continued…
Bahen Centre for Information Technology – University of Toronto

30. 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

31. Lecture Hall 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

32. Lecture Hall 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’x4’ recessed wall wash fixture for lighting blackboard, screen and vertical surfaces at the front of the room.
Small concealed, one lamp fluorescent T-8 (32W) wallwash fixture with remote transformer.
Bahen Centre for Information Technology – University of Toronto

33. Third spaces to consider
Gallery 1134
Lecture Hall 1210
Meeting Room 4287
Outdoor Patio
(on 4th floor) N
Bahen Centre for Information Technology – University of Toronto

34. 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 4th floor within the core of the grand spiral staircase in the atrium.
4th 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

35. 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

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

37. Meeting Room 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

38. Meeting Room Design Concept continued…
Goal: To generate interest in the space and showcase architectural features
Bahen Centre for Information Technology – University of Toronto

39. Meeting Room Design Concept continued…
Bahen Centre for Information Technology – University of Toronto

40. Meeting Room Design Concept continued…
Bahen Centre for Information Technology – University of Toronto

41. Meeting Room Design Concept continued…
Bahen Centre for Information Technology – University of Toronto

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

43. Fourth spaces to consider
Gallery 1134
Lecture Hall 1210
Meeting Room 4287
Outdoor Patio
(on 4th floor) N
Bahen Centre for Information Technology – University of Toronto

44. 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

45. South Courtyard
The water feature consists of three concrete-casted silos used to collect rain water.
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

46. South Courtyard 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

47. South Courtyard 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

48. South Courtyard 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

49. South Courtyard Design Concept continued…
Mounting detail for LED fixture inside silo
Bahen Centre for Information Technology – University of Toronto

50. South Courtyard 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

51. South Courtyard Design Concept continued…
Bahen Centre for Information Technology – University of Toronto

52. South Courtyard Design Concept continued…
Bahen Centre for Information Technology – University of Toronto

53. 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

54. South Courtyard Design Concept continued…
Bahen Centre for Information Technology – University of Toronto

55. 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

56. South Courtyard Design Concept continued…
Another example of similar application
Bahen Centre for Information Technology – University of Toronto

57. South Courtyard Design Concept continued…
Bahen Centre for Information Technology – University of Toronto

58. South Courtyard Lighting Equipment
Outdoor rated (wet location) LED wall wash fixture to be mounted on the inside of silo
The 120V base mounted fountain fixture uses a 200W PAR46 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

59. South Courtyard 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

60. The end
Bahen Centre for Information Technology – University of Toronto