ARSD 20:54:23:01. Vertical piping

Vertical piping shall be secured at sufficiently close intervals to keep the pipe in alignment and carry the weight of the pipe and contents. Vertical piping shall conform to the following standards: (1) Screwed pipe shall be supported at not less than every other story height; (2) Copper tubing shall be supported at each story height but not more than ten-foot intervals; (3) Plastic pipe shall be supported at four-foot intervals.