Risk Identification and Quantitative Evaluation Method for Asset Integrity Management of Offshore Platform Equipment and Facilities
Table 5
Evaluation criteria of the failure severity ().
Quantitative score
Consequences
Safety risk
Environmental risk
Economic loss risk
Maintenance cost risk
1
Slight
No harm: it will not affect or result in disability.
Slight influence: there is a certain environmental impact within the scope of the project.
⩽¥20 thousand (nothing)
⩽¥50 thousand
2
Commonly
Primary injury: short-term working hours lead to loss of work performance, such as limited mobility or complete recovery (not more than a week) in a few days.
Smaller impact: there was a situation that exceeded the statutory or prescribed environmental emission limits and had no sustained impact on the environment.
¥20∼100 thousand (⩽3 hours)
¥50∼100 thousand
3
Secondary
Medium injury: resulting in permanent disability or loss of long-term working hours, such as a longer period of stay (more than a week).
Local influence: emissions of known toxic substances cause limited pollution, exceeding the statutory or specified environmental emission limits or emissions required by the project.
¥0.1∼1million (3∼6 hours)
¥0.1∼0.5million
4
Serious
Serious injuries: permanent disability and even death.
Serious influence: a variety of environmental damage is caused; a large number of measures need to be taken to repair the environmental pollution; substantially exceed the statutory or prescribed environmental emission limits.
¥1∼5million (6∼168 hours)
¥0.5∼5million
5
Disaster
Many deaths: several fatal accidents have also occurred, including accidents that may cause death (such as explosions).
Disaster impact: it creates a variety of persistent environmental damage or damage areas, and the diffusion surface is very large; for a long time, it exceeds the statutory or prescribed environmental emission limits.
