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Checklist: safe startup and stop of process system

The fixed steps that make a system safe to work with

Stopping and securing an installation before you touch it is one of the most important routines in the trade. It follows a fixed logic, so that nothing is forgotten. Use this checklist to learn the principles — and always follow your workplace's specific procedures and your instructor's directions for the individual installation.

§Before you start

  • 01Be sure about which installation and which part you should work on
  • 02Clarify who is responsible for the system while work is being done
  • 03Find the right protective equipment and the right tools

§Securing the system — basic steps

  • 01Stop the system the right way
  • 02Disconnect power (electricity, pressure, heat, steam) at the right place
  • 03PLACEHOLDER_74
  • 04Relieve pressure and stored mechanical energy, so that nothing can spring out or leak out
  • 05Check air system for leaks and correct air dryer function.

§When the work is complete.

  • 01Remove tools and check that everyone is away from the system
  • 02Put guards back in place
  • 03Remove lock and mark in the correct order
  • 04Report ready to the responsible person before the facility is started again

A system you think is off is not safe — the one you have locked depressurised and checked is.