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Question 1 1.1 You are working for a Civil Engineering Consulting firm as the earthworks Engineer and are required to do the earthworks planning on a road construction over a 1km section. The volume at the first station A is zero, use the given information below to answer the questions that follow The table below provides information of the stations(A-H) and existing ground levels along the centre line of the road. The formation level at station A is 23.5m above the datum and rises uniformly at a gradient of 2.7%. The stations are situated 50m apart. • Complete the table with corrected volumes and the mass ordinate, (15) • Show calculations for gradient line values, [5] • Draw the longitudinal section using the scale of 1:2500 and a vertical scale of 1:250, [15] Draw the mass haul diagram using the vertical scale of 1:50 and a horizontal scale of 1:2500 assuming a correction factor of 0.75. [15] Station Ground Volume А 49.8 +1560 B 54.3 +1325 C 50.4 +415 D 44.1 -195 E 41.7 -912 F וד 36.7 -1890 G Ico 34.5 -1435 H H 38.5 Table 1.