Will be digging a trench for sub feed out to barn around 150ft.. from 200amp main panel in house. wire size 2-2-2-4 copper in 2 inch or 1 1/2 sch 40 conduit pvc. Also a 3/4 plastic water line, 1inch plastic gas line,and 2 more 3/4 sch 40 conduit for future. I would like to rent a trencher and do...