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fatal accident rate is number of fatal accidents x 100,000 divided by the total hours worked. Accident incident rate is the total number of accidents x 100,000 divided by the total hours worked. accident severity rate is the total days lost x 1,000 divided by the total hours worked
The severity index of an accident is a term used to describe how severe, or bad, an accident is.
Severity Index= no. of fatal accidents / total no. of injury accidents
How bad.
Depends on what happened in the accident, severity, contamination, etc.
6000 mandays
The Lost Time Incident Severity Rate is a metric used to measure the severity of workplace injuries and incidents that result in lost work time. It is calculated by dividing the total number of days lost due to incidents by the total number of hours worked, and then multiplying by 200,000. This rate helps organizations understand the impact and severity of injuries that lead to time off work.
After an automobile accident the automobile insurance carrier will usually raise the rates of the liability 7-10% depending on the severity of the accident.
severity rate= days lost by workers* 1,00,000 divided by number of hours worked
accident frequency rate = accidents with lost time x 1.000.000 / manhours worked
A lower accident frequency rate is better as "frequency" means "how often something occurs".
Frequency Rate = # lost time injuries X 200,000 divided by hours worked Severity Rate = # DAYS lost due to work injuries X 200,000 divided by hours worked This gives you the number of injuries (or days lost) per 100 people working The terms were used by the National Safety Council unitl the early 70's when they were replaced by "incidence rates"