When all the piping specifications have been defined and initial quantities identified by the Material Take-off Group, the piping material engineer is responsible for assembling the requisition packages.The Procurement Department will break the piping requirements into several requisitions, so that

Steel pipe is normally used for pipelines operating at a pressure of 100 psig or more. Steel pipe withstands high pressures, is durable, and has a long operating life cycle. Fiberglass, PVC, or high-density polyethylene (HDPE) pipe is used in certain instances for low-pressure gas gathering pipeline