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Each transitional surface, as shown on the zoning plan, is an imaginary inclined surface ascending at a ratio of 1.00 m measured vertically to 7.00 m measured horizontally at right angles to the centre line and projected centre line of the strip surface, extending upward and outward from the lateral limits of the strip surface and its approach surfaces to the intersection with the outer surface, whose description is limited, for the purposes of this Part, to the first paragraph of Part 3.
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