15.26. Preparation of P&IDs

Since the P&ID contains a large amount of plant design information, its revision will have a great effect on the subsequent engineering works.
Accordingly, for the purpose of minimizing the revisions and avoiding unnecessary works, the steps for preparing the P&IDs shall be established. The following steps should be realized in preparing the P&IDs. Concerning the information that can be prepared as engineering work proceeds, steps 2, 3, and 4 may be combined or extended to more steps as required.
Step 1: Preparatory Step for Preparation of the P&IDs
Step 2: P&IDs for Engineering Start
Step 3: P&IDs for Piping Layout
Step 4: P&IDs for Piping Drawings
Step 5: P&IDs for Construction
Step 6: P&IDs As-built
In the case ...

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