The approach surfaces associated with the heliport and shown on the Plan are described as follows:
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(b) a surface abutting the end of the strip associated with runway approach 11 consisting of an inclined plane having a ratio of 1 m measured vertically to 20 m measured horizontally, rising to an intersection with the outer limit of the approach surface described in paragraph (a), thence said approach surface slopes upward at the 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 379.4 m measured vertically above the assigned elevation at the end of the strip;
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(c) a surface abutting the end of the strip associated with runway approach 29 consisting of an inclined plane having a ratio of 1 m measured vertically to 20 m measured horizontally, rising to an intersection with the outer limit of the approach surface described in paragraph (a), thence said approach surface slopes upward at the 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 389 m measured vertically above the assigned elevation at the end of the strip;
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(d) a surface abutting the end of the strip associated with runway approach 02 consisting of an inclined plane, having a ratio of 1 m measured vertically to 20 m measured horizontally, rising to an intersection with the outer limit of the approach surface described in paragraph (a), thence said approach surface slopes upward at the 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 403.3 m measured vertically above the assigned elevation at the end of the strip; and
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(e) a surface abutting the end of the strip associated with runway approach 20 consisting of an inclined plane having a ratio of 1 m measured vertically to 20 m measured horizontally, rising to an intersection with the outer limit of the approach surface described in paragraph (a), thence said approach surface slopes upward at the 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 430.9 m measured vertically, above the assigned elevation at the end of the strip.
