PSF - Walk the line

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Across
  1. 5. Non-permanent piping that must be carefully inspected
  2. 6. Change in system configuration requiring verification
  3. 8. Period when system may degrade or change condition
  4. 9. Main objective of walking the line in process operations
  5. 12. Device that controls process flow and must be checked for correct position
  6. 13. Physical verification of equipment condition
  7. 14. Substance injected into process systems
  8. 18. Physical place where equipment must be inspected during walk the line
  9. 20. Front-line person responsible for verifying system readiness
  10. 21. Equipment that should not be started before verifying line-up
  11. 25. Person guiding operators during walk the line
  12. 26. Safety device protecting equipment from overpressure
  13. 28. System used for safe disposal of excess hydrocarbons
  14. 30. Flammable fluid handled in FPSO process systems
Down
  1. 1. Coordination between control room and field operators
  2. 2. Opening that may release gas to atmosphere if not checked
  3. 3. Work activity after which system line-up must be verified
  4. 4. Person responsible for ensuring training and safety culture
  5. 7. Uncontrolled escape of hydrocarbon from process system
  6. 10. Flexible pipe used for temporary transfer operations
  7. 11. When walk the line is required before operating equipment
  8. 15. Major hazard caused by incorrect hydrocarbon system line-up
  9. 16. Correct positioning of valves and equipment in a system
  10. 17. Process parameter that must remain within safe limits
  11. 19. Valve that if left open can cause hydrocarbon release
  12. 22. Action of closing valves to separate equipment
  13. 23. Action of confirming system readiness before operation
  14. 24. Diagram used to verify system layout during walk the line
  15. 27. Movement of fluids through pipes that operators must understand
  16. 29. Transfer operation requiring walk the line before starting