INGENIEUR
INGENIEUR
LIKELIHOOD EXAMPLE RATING Most Likely The most likely result of the hazard / event being realized 5 Possible Has a good chance of occurring and is not unusual 4 Conceivable Might occur at some time in the future 3
Remote Has not been known to occur after many years 2 Inconceivable Is practically impossible and has never occurred 1
Remarks : Likelihood is an event likely to occur within the specific period or in specified circumstances .
Table 2 : Indicate Likelihood with Assigned Value Source : Guidelines for HIRARC , 2008 , Department of Occupational Safety and Health , Ministry of Human Resource
LIKELIHOOD EXAMPLE RATING Catastrophic Numerous fatalities , irrecoverable property damage 5 Fatal Approximately one single fatality , major property damage 4 Serious Non-fatal injury , permanent disability 3 Minor Disabling but not permanent injury 2 Negligible Minor abrasion , bruises , cut , first aid type injury 1
Remarks : Severity is outcome from an event such as severity of injury or health of people , or damage to property , or insult to environment , or any combination of those caused by the event .
Table 3 : Indicate Severity with Assigned Value Source : Guidelines for HIRARC , 2008 , Department of Occupational Safety and Health , Ministry of Human Resource
Severity ( S ) |
Likelihood ( L ) |
1 |
2 |
3 |
4 |
5 |
5 |
5 |
10 |
15 |
20 |
25 |
4 |
4 |
8 |
12 |
16 |
20 |
3 |
3 |
6 |
9 |
12 |
15 |
2 |
2 |
4 |
6 |
8 |
10 |
1 |
1 |
2 |
3 |
4 |
5 |
Remark on Risk Level :
Table 4 : Example of Risk Matrix Source : Guidelines for HIRARC , 2008 , Department of Occupational Safety and Health , Ministry of Human Resource
30 VOL 98 APRIL - JUNE 2024