Basic's on PIPING ISOMETRICS - PDF

 

What is an Isometric Drawing?

• An isometric drawing is a type of pictorial drawing in which three sides of an object can be seen in one view.
• It’s popular within the process piping industry because it can be laid out and drawn with ease and portrays the object in a realistic view. 
• Sometimes it is used in lieu of plans and elevations but typically it is used to supplement the plan drawings
• Isometrics are used as fabrication & shop drawings for pipe run fabrication
• Isometrics also provide a drafter with the ability to calculate angular offsets in the pipe run.

ISOMETRIC DRAWINGS - Layout

• Location and direction help to properly orient the isometric drawing
• A north arrow give direction and should ALWAYS point to the upper-right corner of the paper
• Structural reference points that provide location can be shown on isometric
• Dimensions MUST always be given to points of reference; such as structures, existing equipment…etc
• Coordinates should also be shown on the isometric drawing.

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