5.4 Dig the first cut to the depth have decided is deep enough to serve the purpose of the trench, or if the trench needs to be bedding.
5.5 Throw, or cast, the spoil (the removed soil) as far from the excavation as possible, so it will not encumber for while installing the utilities or doing whatever work in the trench it has been dug for. This will also prevent the removed material from creating an overburdening of the trench's banks (or sides) if not provided the temporary storage areas.