This is an informative essay on the benefits of using a plastic pipe for culverts instead of the traditionally used metal pipe. If you don't know what culvert pipe is, it is the pipe used under a driveway if the drive crosses a ditch and farmers use it in their fields for drainage. The essay describes thatplastic culvert pipe or ADS pipe is a plastic double wall (thickness)pipe that is corregated on the outside and smooth on inside. …