Technical Drawing - Exam Papers - Higher - 2001 - Building
Fig. 5 shows the outline plan and elevation of two adjoining hyperbolic paraboloid roof surfaces ABCD and BEDC which have been shaped as shown.
(a) Draw the given plan and elevation.
(b) Determine the true shape of the section S-S through the roof.
(c) Determine the traces of the plane director for the edges BE and CD of the surface BEDC and having its horizontal trace passing through B.
Scale 1 : 200