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Posted By Antony McManus
A quick one with hopefully an easy answer..
When recording frequency rates accidents / incidents etc I was taught to display them as a percentage.
Every company I've subsequently worked for has done the same. However, I'm now with an Australian company whose 'Risk Engineer' insists it should not be a percentage. I asked if this was a company thing and he replied that it was global!!
Thoughts please.......... as its bugging the hell out of me (HSE Manager) and the Construction Manager who both agree with the percentage POV
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Posted By Ian Futcher
There are two chief ways of looking at injury rates: Injuries per number of person, and injuries per number of hours worked.
Many American companies use the per hour measure, and I have always thought that is a bit better than per person, since in my company we have a large number of part time employees which would make the "per person" rate higher then the "per hours" rate.
Another comparison is that if you use a "per 200,000 working hrs" rate, it approximates to 100 people working for a year, so it "mimics" a percentage.
...Just re-read that, and not sure that it's all that clear!!
Mail me if you like
Ian
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Posted By Ian G Hutchings
Hi Antony
As mentioned above, it is a frequency rate per X hours or numbers of people, whichever way you calculate it. I have never really viewed it as a percentage per se, but suppose it could be viewed as similar.
I wouldn't get too wrapped up in it. The key thinking is in how you can keep it as low as possible, whichever way it is viewed.
I'm sure some stats person can give us a definitive answer.
Ian
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Posted By Antony McManus
Thanks guys, its not us making the fuss about it.....its the Engineer and basically we want to prove him wrong as he picks things up like that but, does not acknowledge little facts like 500,000 LTI free man-hours with only one first aid case and FYI, our project is in China!!
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Posted By Neil Budworth
Dear Anthony,
The standardisation of these figures helps to benchmark with other organisations.
Frequency rates tend to be expressed as accidents per 100,000 hours worked (this being approximately a working life)
(Formula No of accidents x 100,000) / no of hours worked.
and these are done either by lost time accidents, total recordable incidents or in the UK RIDDOR reportable accidents. (I can post definitions is this helps)
the per x hours sometimes changes depending where you are in the world per 200,000 hours (estimate of annual hours of 100 employees)is common in the states and you sometimes see accidents per million hours.
Incident rates tend to be per 1000 employees (counted as FTEs - Full time equivalents.
You also sometimes see severity rates, but the way these are calculated varies quite a lot..
E mail me if you want more information.
Best Regards
Neil
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Posted By SteveD-M
I would agree with your engineer.
Thanks
Steve
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