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Processes Representation

Processes Representation

3 days
PGP/PROCREP
Sessions
This course is not scheduled.
Who should attend?

Audience

    • Technical staff using process diagrams.

Level

  • Proficiency
  • This course provides practical keys to read, understand and use process diagrams.
Learning Objectives
  • Upon completion of the course, participants will be able to:
  • explain the symbols of a PID legend,
  • read and understand a process described with PFD or PIDs,
  • efficiently participate to a PID review.
Course Content

BLOCK DIAGRAM & PROCESS FLOW DIAGRAM (PFD)

0.5 day

  • Splitting a process in blocks. Elaborating a block diagram.
  • Use of a PFD, added value compared to the block diagram. Type of information included in a PFD.
  • Symbols used for each element.
  • Importance of Utility Flow Diagrams (UFD). Complementarity with process flow diagrams.

PIPING & INSTRUMENTATION DIAGRAM (P&ID)

1 day

  • Purpose of PIDs: users from engineering phase to operation.
  • Process and utilities P&IDs. Key elements indicated on PIDs.
  • Elaboration, rules, organization of a PID, level of detail. notes, holds, comments.
  • Contents of a P&ID: equipment, piping, instrumentation, links between them. Incorporation of packages and skids. Evolution according to design/operation phases.
  • PID symbols typical symbols.
  • Documents associated with a PID.

P&ID REVIEWS

0.5 day

  • Design reviews: focus on HSE and operability with HAZOP review.
  • Organization of the review, selection of attendees. Action plan. Validation. Reporting and follow-up process.
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Ways & Means
  • Various examples issued from refining/chemical processes.
  • Use of a set of complex PIDs to understand process flow, instrumentation loops, equipment characteristics…
  • PID review with checklist/HAZOP initiation.