Risk Matrix
Risk Matrix
5*5 Matrix
| Likelihood | ||||||
| Rare | Unlikely | Possible | Likely | Certain | ||
| Severity | Insignificant | L | L | M | M | M |
| Minor | L | M | M | H | H | |
| Moderate | M | M | H | H | S | |
| Major | M | H | H | S | S | |
| Severe | M | H | S | S | S | |
L = Low Risk
M = Minor Risk
H = High Risk
S = Severe Risk
PAER System
Definition of Severity in 4 different categories
| People | Asset | Environment | Reputation | |
| Insignificant | no LTI | 1 -10K | Minor impact | Minor impact |
| Minor | LTI | 10k – 100K | Local impact | Impact |
| Moderate | Lost workday | 100k – 1M | Regional impact | High impact |
| Major | Disability | 1M -10 M | National impact | Major impact |
| Severe | Fatality | >10M | International impact | Severe impact |
PAER system combined with 5*5 Matrix
PAER system combined with 5*5 Matrix
| P | A | E | R | never heard | has happened | once per year | more than once per year | more than once per year in the company | |
| People | Asset | Environment | Reputation | Rare | Unlikely | Possible | Likely | Certain | |
| Insignificant | no LTI | 1 -10K | Minor impact | Minor impact | L | L | M | M | M |
| Minor | LTI | 10k – 100K | Local impact | Impact | L | M | M | H | H |
| Moderate | Lost workday | 100k – 1M | Regional impact | High impact | M | M | H | H | S |
| Major | Disability | 1M -10 M | National impact | Major impact | M | H | H | S | S |
| Severe | Fatality | >10M | International impact | Severe impact | M | H | S | S | S |