Technical Drawing - Exam Papers - Higher - 2003 - Building

Question 7

The accompanying drawing shows ground contours at five-metre vertical intervals. AD and BE are the lines of proposed roadways. The roadways have the following specifications:-

(i) formation width for both AD and BE is 15m;
(ii) formation level at B is 90m;
(iii) A to C is level;
(iv) gradient C to D is 1 in 10 rising;
(v) gradient B to E is 1 in 15 falling;
(vi) side slopes for cuttings for roadway AD is 1 in 2;
(vii) side slopes for cuttings for roadway BE is 1 in 1;
(viii) side slopes for embankments for both roadways AD and BE is 1 in 1.5.

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