This presentation is about the CN Tower located in Toronto, Canada.

1. The CN Tower (Toronto, Canada)

2. CN Tower
 The Tallest building in the world from 1976 to 2007
 CN Tower’s height is 553.33 meters
 Total construction cost was $63 million
 Official opening- 1976
 Revolving restaurant 360
 In 2010, declared as the tallest building in the world

3. Introduction
The CN Tower in downtown Toronto is a concrete
communications/observation tower and an iconic symbol of Canada.
The tower was built by Canadian National in response to the need for
uninterrupted communications broadcasting over the skyline of
buildings constructed during Toronto’s 1960s boom.

4. General information
Location 301 Front Street West Toronto, Ontario
CONSTRUCTION
PERIOD
1973 – 1976
COST $63,000,000
ARCHITECTS John Andrews, Webb Zerafa, Menkes Housden
TYPE Observation , telecommunications, attraction ,
Restaurant
FLOOR COUNT 147

5. Features
 One of the popular feature is edge walk
 World’s highest full-circle as well as hands-free walk
 Fireproof material used while constructing the building
 116 Storeys above the ground
 Connected through network of rails and roads
 Breath taking views of the city

6. Attractions
 Toronto’s Tallest Landmark
 Major tourist destination
 Glass floor experience
 360 restaurants in CN Tower

7. History
 After constructing the skypod, that would eventually house two
observation decks, 36O Revolving Restaurant, Horizons, the
GLASS FLOOR and various technical areas
 Next mission was placing the Antenna at the top which was done
with the help of Helicopter

8. History (Cont’d)
 Time Capsule- As with the most historic of events, the day of the
grand opening (October 2, 1976) has been preserved in a Time
Capsule
 Secret contents included letters from Pierre Trudeau, each of the
Provincial Premiers congratulating the Tower, various school
children, Copies of the three daily newspapers, Canadian coins and
bills of various denominations
 The official opening to the time capsule will take place in the year
2076!

9. Reason of construction
 IN THE '60s MOST THE LOW HEIGHT BUILDINGS WERE
CHANGED TO SKY SCAPERS
 THIS CAUSED SERIOUS COMMUNICATION PROBLEMS
 THE CONSTRUCTION OF CN TOWER HELPED SOLVING
THESE PROBLEMS WITH ITS MICROWAVE RECEPTORS
AND ANTENNAS.

10. Phases of construction
 Constructing the base, July 1973
 Brackets being raised, August 1974
 Helicopter lifting part of the antenna, April 1975
 Main pod construction, April 1975
 Nearing completion, December 1975

11. Facts
 Antenna: 6 ft. 8 in. from centre
 Sky Pod: 3 ft., 4 in. from centre
 Tower Sphere: 1 ft., 7 in. from centre
 Capacity of 360, The Restaurant at the Tower: 400 people
 Built by Canadian National Railway
 First opened to the public on June 26, 1976
 Official opening on October 1, 1976

12. Facts (Cont’d)
 Attendance: about 1.8 million per year
 Capacity of 360, The Restaurant at the Tower: 400 people
 Time it takes to revolve once: 72 minutes
 Capacity of Horizons Café: 500 people

13. References
 https://www.cntower.ca/