Fault Event Model
Notes
- Diagrams created with PlantUML
- PlantUML requires Graphviz to be installed to generate component diagrams
Probabilities
| Success | Abort | Failure |
|---|---|---|
0.9700 |
0.0291 |
0.0009 |
Human Error Probability (HEP)
| HEP | Magnitude | |
|---|---|---|
| Reference - Human limit (team) | 0.00001 |
10^-5 |
| Reference - Human limit (person) | 0.00010 |
10^-4 |
| Task - Routine, familiar | 0.00040 |
10^-4 |
| Task - Routine, instruction | 0.00600 |
10^-3 |
| Task - Routine with deviation | 0.01600 |
10^-2 |
| Task - Non-routine, instruction | 0.03000 |
10^-2 |
| Task - Emergency with plan | 0.10000 |
10^-1 |
| Task - Emergency no plan | 0.30000 |
10^-1 |
HEP data sources:
- Kirwan, B. 1994, A guide to practical human reliability assessment
- Hickling, N. 2007, An Independent Review of a Rail-specific Human Reliability Assessment Technique for Driving Tasks, RSSB