Technical Drawing - Exam Papers - Ordinary - 2002 - Building
Fig. 4 shows the outline plan of four adjoining hyperbolic paraboloid roof surfaces ABOH, BCDO, DEFO and FGHO. The roof perimeter is a square in plan.
The corners, A, B, C, D, E, F, G and H are at ground level, corner O is 22m above ground level.
(a) Draw the given plan of the roof and project an elevation.
(b) Show the true shape of the section S-S through the roof.
Scale 1 : 200