You are the management team of the contracting company Bridgestolast who employ civil engineers. You have been appointed by the local government to widen a major road that crosses the countryside outside of the city of Sunderland. The firs task in this exercise is to remove the existing footbridge and refit a new one. Before the road work can be undertaken, the removal of an old, and in disrepair footbridge that spans the major road, must be completed. This structure is to be replaced by a longer bridge that spans the widening of the road. The new footbridge also has to b: robust enough to allow the transfer of cattle and horses from fields on one side to fields on the other. Brian Bovine, the farmer who owns the land on both sides of