Scenario

01. Poor Value Perception
02. Poor Safety Awareness
03. Inadequate Risk Recognition
04. Carelessness
05. Insufficient Understanding
06. Insufficient Recognition of Risk
07. Planning and Design
08. Poor Planning
09. Poor Planning of Repair
10. Non-Regular Operation
11. Emergency Operation
12. Operate Wrong Valve
13. Secondary Damage
14. External Damage
15. Explosion/Fire
16. Bodily Harm
17. Death
18. 4 person died
19. Bodily Harm
20. Injury
21. 9 person injured
22. Loss to Organization
23. Economic Loss
24. The plant burnt

Explosion caused due to miss-handling of only one remote control valve separated from atmosphere in the polymerization reactor at a polypropylene manufacturing plant
Case Details

Knowledge Comment:
Shutting off by only one remote valve is not absolutely permitted. It may opened by mistake and may leak.

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)