Soil for a compacted earth fill is available from three different borrow sites. At the earth
fill, the soil is to be compacted to a void ratio of 0.62 with a finished volume of 150,000
m3
. The in-situ void ratios and the costs (soil and transportation) per cubic metre for the
three sites are given below. Which site would be economical?
Extracted text: Borrow Void ratio Cost/m X 0.85 $7.80 Y 1.1 $7.50 Z 1.4 $6.60