Create and revise mechanical, plumbing, and sprinkler system drawings using AutoCAD. Draft clean plumbing systems, mechanical layouts, and coordinated MEP plans. Develop detailed LGAC plans. Perform load calculations and incorporate them into mechanical and HVAC layouts. Prepare shop drawings, as-built plans, and construction documents. Coordinate drawings with architects, engineers, and other trades. Interpret engineer markups, specifications, and design requirements into complete drawings. Ensure all drafted plans comply with applicable codes, standards, and project specifications. Maintain drawing accuracy, organization, and file version control.