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The approach surfaces, shown on Department of Transport Smithers Airport Zoning Plan No. B.C. 1384, are surfaces abutting each end of the strip associated with the runway designated 14-32 and are described as follows:
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(a) a surface abutting the end of the strip associated with runway approach 14 consisting of an inclined plane having a ratio of 1 m measured vertically to 50 m measured horizontally rising to an intersection with the outer surface; THENCE such approach surface shall be horizontal and contiguous to said outer surface to an intersection with an imaginary horizontal line drawn at right angles to the projected centre line of the strip at its intersection with the northerly boundary of the South East 1/4 of Section 26, Township 1A, Range 5, Coast District; THENCE said approach surface shall slope upward at the above specified slope of 1 m measured vertically to 50 m measured horizontally to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant 15 000 m measured horizontally from the end of the strip, the outer ends of the imaginary horizontal line being 2 400 m from the projected centre line and 804.3 m, measured vertically, above the assigned elevation of the airport reference point; and
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(b) a surface abutting the end of the strip associated with runway approach 32 consisting of an inclined plane having a ratio of 1 m measured vertically to 50 m measured horizontally rising to an intersection with the outer surface; THENCE such approach surface shall be horizontal and contiguous to said outer surface to an intersection with an imaginary horizontal line drawn at right angles to the projected centre line of the strip at its intersection with the southerly boundary of Lot U, Plan 6127 of District Lot 865, Range 5, Coast District; THENCE said approach surface shall slope upward at the above specified slope of 1 m measured vertically to 50 m measured horizontally to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant 15 000 m measured horizontally from the end of the strip, the outer ends of the imaginary horizontal line being 2 400 m from the projected centre line and 799.7 m, measured vertically, above the assigned elevation of the airport reference point.
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