Responsible in creating and controls all drawings and specifications for construction based on equations, calculations and written instructions provided by designers and engineers for use during the construction process at job site. Prepare sketches and shop drawings for fabrication, for mechanical and for piping modification including civil, structural, and electrical, instrument and communication lay out section elevation as per actual measurement. Able to use manual drafting skills to draw plans that cannot be done or generated by computer as it entails fine ‐ tuning and revising of plans to meet construction and architectural requirements.