This document contains the resume of A. Perumal, who has over 9 years of experience in piping design and engineering. He holds a B.E. in Production Engineering and has worked for several companies in Singapore on projects in oil and gas, power, and process industries. He has extensive experience in 3D modeling software like SmartPlant, CADWorx, and PDS. Some of his responsibilities include piping modeling, preparing drawings, supporting field work, and coordinating with other engineering disciplines. He provides details of several projects he has worked on involving piping design for refineries, chemical plants, and offshore facilities.