Technical Drawing - Exam Papers - Higher - 2006 - Building

Question 6

  

Fig, 5 shows the outline plan and elevation of a hyperbolic paraboloid canopy for use over an outdoor swimming pool, The canopy is formed by shaping and extending the hyperbolic paraboloid surface ABCD.

(a) Draw the given plan and elevation.

(b) A plane director for the elements AD and BC is positioned so that it BD contains point P. Draw the traces for this plane director.

Scale 1: 200

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