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Description of the Outer Surface
The outer surface, shown on Toronto/Lester B. Pearson International Airport Zoning Plan No. 21-005 94-138, Sheets 13, 14, 15, 20, 21, 22, 23, 30, 31, 32, 33, 40, 41, 42, 43, 48, 49 and 50 dated July 31, 1995, is an imaginary plane established at a constant elevation of 45 m above the elevation of the airport reference point, except that, where that plane is less than 9 m above the surface of the ground, the outer surface is an imaginary plane located at 9 m above the surface of the ground.
Description of the Outer Surface Boundary
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The transitional surfaces, shown on Toronto/Lester B. Pearson International Zoning plan No. 21-005 94-138, Sheets 13, 14, 20, 21, 22, 23, 30, 31, 32, 33, 40, 41, 42 and 43, dated July 31, 1995, are inclined planes rising at a ratio of 1 m measured vertically to 7 m measured horizontally at right angles to the centre line and projected centre line of each strip, extending upward and outward from the lateral limits of each strip and its approach surfaces to an intersection with the outer surface or with another transitional surface.
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