The following horizontal and vertical alignments apply to a rural road; Horizontal alignment Point Stake value Y co-ordinate X co-ordinate Radius (m) EC3 44584,362 24390,301 14116,507 P14 24485,000 11524,000 4000 PI5 24362.904 10322,041 2000 P16 24406,451 9267,503 731,513 8661,872 1920,221 P17 P18 8137,260 Vertical alignment 24885.246 25216,227 Point Height Stake value Curve length (m) VP19 205,457 45380 240 320 VP110|198.087 46480 VPI11 200,70 47150 460 VPI12 154,478 48360 720 VPI13 141,318 49480 200 VPI14 140,163 49810 220 VPI15 133,392 50180 240 VP116 132,147 51010 220 The design speed for this road is 100 km/hr and Figures 1 and 2 are typical cross-sections through this road. 1.1. Calculate; 1.1.1 The stake value of BC5 (14) 1.1.2 A pipe culvert crosses the road at the low point of vertical curve 10. Determine the stake value where this culvert crosses the road. (8)