SD-26 Crossword puzzle

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Across
  1. 2. Longest chain of dependent activities in a schedule
  2. 4. Enclosed space requiring special entry procedures
  3. 8. Final document transferring completed work back to operations
  4. 10. Restoring equipment back to service after maintenance
  5. 12. Temporary structure for working at height
  6. 13. Formal document authorising hazardous work
  7. 15. Nitrogen or steam used to remove hydrocarbons from equipment
  8. 16. Work involving open flame or spark near flammables
Down
  1. 1. procedure to follow before startup of plan
  2. 3. Shutdown scheduling software
  3. 5. Test using water to verify pressure integrity
  4. 6. Step before handover - final checks before restart
  5. 7. Lock and tag energy source before work begins
  6. 9. Positive isolation
  7. 11. Document includes all details of job
  8. 13. Safety talks before starting of job
  9. 14. Shutdown planning software