I need to run a waterline from my chicken house to my new goat barn, about 220 ft. I would like to use 3/4 PEX, which should give me adequate pressure and flow. In my location frost line is 24 inches. At that depth, do I need to worry about expansion/contraction (reported 1.1" per 10 degrees per 100 ft)? If expansion/contraction might be a problem how do I compensate for it underground?