Scenario

01. Poor Value Perception
02. Poor Safety Awareness
03. Inadequate Risk Recognition
04. Carelessness
05. Insufficient Precaution
06. Carelessness of Operator
07. Planning and Design
08. Poor Planning
09. Poor Planning of Repair
10. Usage
11. Maintenance/Repair
12. Recovery
13. Malfunction
14. Poor Hardware
15. Poor Control System
16. Bad Event
17. Mechanical Event
18. Over Speed
19. Failure
20. Large-Scale Damage
21. Rapture
22. Secondary Damage
23. External Damage
24. Fire
25. Loss to Organization
26. Economic Loss
27. Direct Monetary Damage 1100 million yen

Leakage and fire of carbon monoxide caused due to breakage of a gas expander from over revolutions at a fluidized catalytic cracker unit
Case Details

Knowledge Comment:
Restoration of the important instrument for safety shoul be execued after sufficient examination.

Field Chemicals and Plants
Author DOBASHI, Ritsu (School of Engineering, The University of Tokyo)
TAMURA, Masamitsu (Center for Risk Management and Safety Sciences, Yokohama National University)