Types of Drawing
⏩ Types of drawing used in a refinery. In a refinery, various types of technical drawings are utilized to design, construct, operate, and maintain the facility. These drawings are essential for communication among engineers, contractors, and operators. Below are the main types of drawings used: 1) ISOMETRIC DRAWINGS Purpose: Three-dimensional drawings of pipelines. Details: Includes pipeline dimensions, orientation, material specifications, and welding details. Use: For fabrication and installation of piping systems. 2) Piping and Instrumentation Diagram (P&ID) Purpose: Detailed representation of the piping, equipment, valves, and instrumentation. Details: Includes pipe sizes, equipment numbers, instrumentation tags, and control schemes. Use: For detailed design, construction, and maintenance. 3) GENERAL ARRANGEMENT (GA) DRAWINGS Purpose: Provides an overall view of the arrangement of components within a system. Details: Includes equipment dimensions and their relative positio...