A designation of Shop or Field fabrication – Design instructions.The Insulation Type – from the line list.The Piping Code applicable to the line – from the line class specification.The Technical Data section Block section should include: The name of the person creating the line/isometric.Sheet Number – When a pipe line takes more than one sheet then there needs to be a way to identify each sheet in the Isometric log.The part that is used for drawing identification is only the numeric sequence number and the Line Class specification. Only part of the line number is included as the “Drawing Number” for the isometric.
The line number comes from the P&ID and the Line List. The Line Number – The Line Number becomes the drawing number for the isometric.The identification or title block section should include: The “isometric drawing” form should be divided into sections for the required information.
This improves the overall quality and completeness of the Isometric. A Company Standard should be developed to insure that there is a place for everything and it is always in the same place. In order to accomplish this there must be certain specific information included in or on the isometric drawing. A piping “Isometric” is a three dimensional representation of a pipe line or part of a pipe line complete with all information (inputs) necessary to purchase (the material), fabricate, install and test the line or part of the line.
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