Technical Drawing - Exam Papers - Higher - 1992 - Building

Question 7

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The accompanying drawing shows ground contours at five-metre vertical intervals. AB and AC are the lines of proposed roadways having the following specifications:

(i) formation width for AB and AC is 15m;
(ii) formation level at A is 140m;
(iii) A to B is level; gradient A to C is 1 in 10 rising;
(iv) side slopes for cuttings 1 in 1.5;
(v) side slopes for embankments 1 in 2.

On the drawing supplied show the earthworks necessary to accommodate the roadways.

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