To accomplish this task, the piping isometric drawing consists of three sections that hold valuable info used by different project stakeholders at different times. The Isos bring clarity to contractors, construction crew and the overall project. It´s a three dimensional representation of a pipe line or part of it with all information necessary to purchase, fabricate, install and test the line or part of the line. For many decades Piping Isometric drawings have been used to represent a single pipe line in a plant, being the most important deliverable.