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The approach surfaces, shown on Department of Public Works Plan No. E.1898, dated February 5, 1986, are surfaces that abut each end of the strips associated with the runways designated 03-21, 12L-30R and 12R-30L, and that are more particularly described as follows:

• (a) a surface that abuts the end of the strip associated with runway 03 and consists of an inclined plane having a ratio of 1 m measured vertically to 60 m measured horizontally rising to an intersection with the outer surface; thence said approach surface shall slope upward at a ratio of 1 m measured vertically to 50 m measured horizontally and rise 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; said imaginary horizontal line being 291.2 m measured vertically above the assigned elevation at the end of the strip;

• (b) a surface that abuts the end of the strip associated with runway 21 and consists of an inclined plane having a ratio of 1 m measured vertically to 60 m measured horizontally rising to an intersection with the outer surface; thence said approach surface shall slope upward at a ratio of 1 m measured vertically to 50 m measured horizontally and rise 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; said imaginary horizontal line being 291.0 m measured vertically above the assigned elevation at the end of the strip;

• (c) a surface that abuts the end of the strip associated with runway 12L and consists of an inclined plane having a ratio of 1 m measured vertically to 60 m measured horizontally rising to an intersection with the outer surface; thence said approach surface shall slope upward at a ratio of 1 m measured vertically to 50 m measured horizontally and rise 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; said imaginary horizontal line being 291.0 m measured vertically above the assigned elevation at the end of the strip;

• (d) a surface that abuts the end of the strip associated with runway 12R and consists of an inclined plane having a ratio of 1 m measured vertically to 60 m measured horizontally rising to an intersection with the outer surface; thence said approach surface shall slope upward at a ratio of 1 m measured vertically to 50 m measured horizontally and rise 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; said imaginary horizontal line being 291.0 m measured vertically above the assigned elevation at the end of the strip;

• (e) a surface that abuts the end of the strip associated with runway 30L and consists of an inclined plane having a ratio of 1 m measured vertically to 60 m measured horizontally rising to an intersection with the outer surface; thence said approach surface shall slope upward at a ratio of 1 m measured vertically to 50 m measured horizontally and rise 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; said imaginary horizontal line being 291.4 m measured vertically above the assigned elevation at the end of the strip; and

• (f) a surface that abuts the end of the strip associated with runway 30R and consists of an inclined plane having a ratio of 1 m measured vertically to 60 m measured horizontally rising to an intersection with the outer surface; thence said approach surface shall slope upward at a ratio of l m measured vertically to 50 m measured horizontally and rise 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; said imaginary horizontal line being 291.4 m measured vertically above the assigned elevation at the end of the strip.

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The approach surfaces, shown on Oshawa Airport Zoning Plan No. 18-013-80-58, Sheets 1 to 13, dated June 28, 1984, are surfaces abutting each end of the strips associated with the runways designated 12-30 and 04-22 and are described as follows:

• (a) a surface abutting the end of the strip associated with runway approach 12 consisting of an inclined plane having a ratio of 1 m measured vertically to 50 m measured horizontally rising 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; said imaginary horizontal line being 300 m measured vertically above the elevation at the end of the strip;

• (b) a surface abutting the end of the strip associated with runway approach 30 consisting of an inclined plane having a ratio of 1 m measured vertically to 50 m measured horizontally rising 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; said imaginary horizontal line being 300 m measured vertically above the elevation at the end of the strip;

• (c) a surface abutting the end of the strip associated with runway approach 04 consisting of an inclined plane having a ratio of 1 m measured vertically to 50 m measured horizontally rising to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant 2 500 m measured horizontally from the end of the strip; the outer ends of the imaginary horizontal line being 325 m from the projected centre line; said imaginary horizontal line being 50 m measured vertically above the elevation at the end of the strip; and

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The approach surfaces are described as follows:

• (a) a surface abutting the end of the strip associated with runway approach 08R, consisting of an inclined plane having a ratio of one (1) metre measured vertically to fifty (50) metres measured horizontally to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant fifteen thousand (15 000) metres measured horizontally from the end of the strip, the outer ends of the imaginary line being two thousand four hundred (2 400) metres from the projected centre line; the imaginary line being three hundred decimal five (300.5) metres, measured vertically, above the assigned elevation of the airport reference point,

• (b) a surface abutting the end of the strip associated with runway approach 26L consisting of an inclined plane having a ratio of one (1) metre measured vertically to fifty (50) metres measured horizontally rising to an intersection with the outer surface; thence the approach surface shall be horizontal and contiguous to an intersection with an imaginary horizontal line drawn at right angles to the projected centre line and passing through the northwest corner of Lot 1, Section 3, Block 4 North, Range 6 West, Plan 24067; thence the approach surface shall slope upward at a ratio of one (1) metre measured vertically to fifty (50) metres measured horizontally to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant fifteen thousand (15 000) metres measured horizontally from the end of the strip, the outer ends of the imaginary horizontal line being two thousand four hundred (2 400) metres from the projected centre line; the imaginary horizontal line being two hundred and ninety-one decimal six zero (291.60) metres, measured vertically, above the assigned elevation of the airport reference point,

• (c) a surface abutting the end of the strip associated with runway approach 08L consisting of an inclined plane having a ratio of one (1) metre measured vertically to fifty (50) metres measured horizontally to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant fifteen thousand (15 000) metres measured horizontally from the end of the strip, the outer ends of the imaginary horizontal line being two thousand four hundred (2 400) metres from the projected centre line; the imaginary horizontal line being three hundred decimal six (300.6) metres, measured vertically, above the assigned elevation of the airport reference point,

• (d) a surface abutting the end of the strip associated with runway approach 26R consisting of an inclined plane having a ratio of one (1) metre measured vertically to fifty (50) metres measured horizontally rising to an intersection with the outer surface; thence the approach surface shall be horizontal and contiguous to the outer surface to an intersection with an imaginary horizontal line drawn at right angles to the projected centre line of the strip and passing through the northeast corner of the remainder of Lot D, Section 15, Block 5 North, Range 6 West, Plan 5736; thence the approach surface shall slope upwards at a ratio of one (1) metre measured vertically to fifty (50) metres measured horizontally to an imaginary horizontal line drawn at right angles to the projected centre line of the strip, and distant fifteen thousand (15 000) metres from the end of the strip, the outer ends of the imaginary horizontal line being two thousand four hundred (2 400) metres from the projected centre line; the imaginary horizontal line being two hundred and seventy-eight decimal six (278.6) metres, measured vertically, above the assigned elevation of the airport reference point,

• (e) a surface abutting the end of the strip associated with runway approach 12 consisting of an inclined plane having a ratio of one (1) metre measured vertically to fifty (50) metres measured horizontally rising to an intersection with the outer surface; thence the approach surface shall be horizontal and contiguous to the said outer surface to an intersection with an imaginary horizontal line drawn at right angles to the projected centre line of the strip and commencing at the intersection point of the westerly limit of approach 12 and the westerly boundary of the Township of Richmond boundary; thence the approach surface shall slope upward at a ratio of one (1) metre measured vertically to fifty (50) metres measured horizontally to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant fifteen thousand (15 000) metres measured horizontally from the end of the strip, the outer ends of the imaginary horizontal line being two thousand four hundred (2 400) metres from the projected centre line; the imaginary horizontal line being two hundred and ninety-nine decimal sixty-eight (299.68) metres, measured vertically, above the assigned elevation of the airport reference point, and

• (f) a surface abutting the end of the strip associated with runway approach 30 consisting of an inclined plane having a ratio of one (1) metre measured vertically to fifty (50) metres horizontally rising to an intersection with the outer surface; thence the approach surface shall be horizontal and contiguous to the said outer surface to an intersection with an imaginary horizontal line drawn at right angles to the projected centre line of the strip and commencing at the intersection of the southwesterly limit of Approach 30 with the northerly limit of Blundell Road; thence the approach surface shall slope upwards at a ratio of one (1) metre measured vertically to fifty (50) metres measured horizontally to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant fifteen thousand (15 000) metres from the end of the strip, the outer ends of the imaginary horizontal line being two thousand four hundred (2 400) metres from the projected centre line; the imaginary horizontal line being two hundred and seventy-six decimal zero five (276.05) metres, measured vertically, above the assigned elevation of the airport reference point,

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The approach surfaces, shown outlined in blue on the Department of Transport Plan B.C. 1266, dated January 14, 1980, are surfaces abutting each end of the strips associated with the runways designated 07-25, 07R-25L and 12-30 and are described as follows:

• (a) a surface abutting the end of the strip associated with runway approach 07 consisting of an inclined plane having a ratio of one metre measured vertically to 50 metres measured horizontally, rising to an intersection with the outer surface, thence said approach surface shall be horizontal and contiguous to said outer surface to an intersection with the western extremity of said outer surface, thence said approach surface shall slope upward at the above specified slope of one metre measured vertically to 50 metres measured horizontally, rising to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant 15 000 metres measured horizontally from the end of the strip, the outer ends of the imaginary horizontal line being 2 400 metres from the projected centre line, said imaginary horizontal line being 290.6 metres, measured vertically, above the airport reference point;

• (b) a surface abutting the end of the strip associated with runway approach 25 consisting of an inclined plane having a ratio of one metre measured vertically to 50 metres measured horizontally, rising to an intersection with the outer surface, thence said approach surface shall be horizontal and contiguous to said outer surface to an intersection with the eastern extremity of said outer surface, thence said approach surface shall slope upward at the above specified slope of one metre measured vertically to 50 metres measured horizontally, rising to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant 15 000 metres measured horizontally from the end of the strip, the outer ends of the imaginary horizontal line being 2 400 metres from the projected centre line, said imaginary horizontal line being 280.8 metres, measured vertically, above the airport reference point;

• (c) a surface abutting the end of the strip associated with runway approach 07R consisting of an inclined plane having a ratio of one metre measured vertically to 40 metres measured horizontally, rising to an intersection with the outer surface, thence said approach surface shall be horizontal and contiguous to said outer surface to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant 3 000 metres measured horizontally from the end of the strip, the outer ends of the imaginary horizontal line being 375 metres from the projected centre line, said imaginary horizontal line being 45 metres, measured vertically, above the airport reference point;

• (d) a surface abutting the end of the strip associated with runway approach 25L consisting of an inclined plane having a ratio of one metre measured vertically to 40 metres measured horizontally, rising to an intersection with the outer surface, thence said approach surface shall be horizontal and contiguous to said outer surface to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant 3 000 metres measured horizontally from the end of the strip, the outer ends of the imaginary horizontal line being 375 metres from the projected centre line, said imaginary horizontal line being 45 metres, measured vertically, above the airport reference point;

• (e) a surface abutting the end of the strip associated with runway approach 12 consisting of an inclined plane having a ratio of one metre measured vertically to 40 metres measured horizontally, rising to an intersection with the outer surface, thence said approach surface shall be horizontal and contiguous to said outer surface to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant 3 000 metres measured horizontally from the end of the strip, the outer ends of the imaginary horizontal line being 375 metres from the projected centre line, said imaginary horizontal line being 45 metres, measured vertically, above the airport reference point; and

• (f) a surface abutting the end of the strip associated with runway approach 30 consisting of an inclined plane having a ratio of one metre measured vertically to 40 metres measured horizontally, rising to an intersection with the outer surface, thence said approach surface shall be horizontal and contiguous to said outer surface to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant 3 000 metres measured horizontally from the end of the strip, the outer ends of the imaginary horizontal line being 375 metres from the projected centre line, said imaginary horizontal line being 45 metres, measured vertically, above the airport reference point.

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Being a surface abutting each end of the strip associated with runway designated as 11-29 and more particularly described as follows:

• (a) 

  a surface abutting the end of the strip associated with runway approach 11 consisting of an inclined plane having a ratio of one (1) metre measured vertically to fifty (50) metres measured horizontally rising to an intersection with the outer surface, thence said approach surface shall be horizontal and contiguous to said outer surface to an intersection with the northwestern extremity of said outer surface, thence said approach surface shall slope upward at the above specified slope of one (1) metre measured vertically to fifty (50) metres measured horizontally rising to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant fifteen thousand (15 000) metres measured horizontally from the end of the strip, the outer ends of the imaginary horizontal line being two thousand four hundred and seventy-five (2 475) metres from the projected centre line; said imaginary horizontal line being two hundred and seventy-one (271) metres, measured vertically above the assigned elevation of the airport reference point; and
• (b) 

  a surface abutting the end of the strip associated with runway approach 29 consisting of inclined plane having a ratio of one (1) metre measured vertically to fifty (50) metres measured horizontally rising to an intersection with the outer surface, thence said approach surface shall be horizontal and contiguous to said outer surface to an intersection with the southeastern extremity of said outer surface, thence said approach surface shall slope upward at the above specified slope of one (1) metre measured vertically to fifty (50) metres measured horizontally rising to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant fifteen thousand (15 000) metres measured horizontally from the end of the strip, the outer ends of the imaginary horizontal line being two thousand four hundred and seventy-five (2 475) metres from the projected centre line; said imaginary horizontal line being two hundred and seventy-one (271) metres, measured vertically, above the assigned elevation of the airport reference point; and

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• (c) 

  a surface abutting the end of the strip associated with runway approach 18 consisting of an inclined plane having a ratio of one (1) metre measured vertically to forty (40) metres measured horizontally rising to an intersection with the outer surface thence said approach surface shall be contiguous to said outer surface to an intersection with the northern extremity of said outer surface, said intersection being on the projected centre line of the strip and distant three thousand eight hundred and fifty (3 850) metres from the end of the strip, the outer end of said approach surface shall be an imaginary horizontal line drawn at right angles to the projected centre line of the strip, the outer ends of the imaginary horizontal line being seven hundred and twenty-seven decimal five (727.5) metres from the projected centre line, said imaginary horizontal line being forty-five (45) metres, measured vertically, above the airport reference point; and
• (d) 

  a surface abutting the end of the strip associated with runway approach 36 consisting of an inclined plane having a ratio of one (1) metre measured vertically to twenty (20) metres measured horizontally rising to an intersection with the outer surface, thence said approach surface shall be contiguous to said outer surface to an intersection with the southern extremity of said outer surface, said intersection being on the projected centre line of the strip and distant three thousand eight hundred and fifty (3 850) metres from the end of the strip, the outer end of said approach surface shall be an imaginary horizontal line drawn at right angles to the projected centre line of the strip, the outer ends of the imaginary horizontal line being seven hundred and twenty-seven decimal five (727.5) metres from the projected centre line, said imaginary horizontal line being forty-five (45) metres above the airport reference point;

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