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Technical Drawing - Exam Papers - Ordinary - 2002 - BuildingQuestion 4Fig. 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 ![]() ![]() |
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