Gas Plant Operator how-to

How to Isolate Equipment for Maintenance

Proper isolation prevents releases.

Updated By the Career Education Institute Curriculum Team
Quick answer

Proper isolation prevents releases. In short: review; close; depressurize, then complete the remaining steps below.

Step by step

  1. Review the isolation plan.

  2. Close and lock valves.

  3. Depressurize and blow down.

  4. Verify zero energy.

  5. Apply locks and tags.

  6. Hand over to maintenance.

Safety reminders for gas plant operators

  • Wear gas monitors and know H2S hazards
  • Follow lockout and isolation procedures
  • Eliminate ignition sources
  • Follow process safety management rules

Compressor · Separator · Dehydration · NGL · LNG · Odorant: see the full gas plant operator glossary.

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