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Posted By Stan b
Help required due to a mental block when it comes to AIR in Construction.
Number of accidents X 1000 dived by the average or total number employed during the period?
We have lots of contractors working on our sites. Do i divide by the total number of people on site over the past 9 months or do i find an average on site per day during this period? If so a n average per day? Month?
We have had 1 over 3 day injury during the first 9 months of our reporting year. There have been a total of 1,801 on site during this period - our AIR is (hopefully no different answers)?
Thanks in anticipation of your help.
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Posted By Roly Buss
You don't use AIR for a construction site, you use AFR the Accident Frequency Rate which is:
No of accidents divided by the total number of manhours expended multiplied by 100,000 (which is approx the total working hours in a lifetime)
Gives a rate of average number of accidents per 100,00 manhours and takes account of varying numbers of people and hours worked.
Roly
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Posted By Dave Wilson
Roly
what is the rate for the Construction Industry?
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Posted By PaulC
HSE publish statistics for Constrcution as AIR.
I would also be intrested to know the AFR for the Constrcution Industry.
Regards
Paul
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Posted By Stan b
Thanks for the info Roly.
Clients are always asking for AIR. I was unaware they are not used in Construction? I agree AFR is easier and probably more accurate.
What do others think? Is AIR used in the Construction Industry?
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Posted By Robin M
I don't think that saying AIR is not used in the industry is accurate. In my opinion an organisation should be able to give both it's AIR and AFR, and possibly other statistics too, such as severity rates etc. Once a system is set up to record and calculate this data then it is not much work.
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Posted By Stan b
Helpful guys but no clear answer yet.
Calculating AIR for a construction company that are including all contractors who work on their sites. Number of accidents x1000 divided by number employed. Does this mean the total number employed during that period or an average? If so is an average of what - per day/week/month? Someone must know?
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Posted By AHS
The HSE use 100.000 (average employees over a year) and break it down into the 3 respective RIDDORS Fatal- Major - Over 3 days.
The first 2 airs seen as the most important.
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Posted By PaulC
Stan
You have mail.
Regards
PaulC
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Posted By Robert K Lewis
Always a problem in construction because of the nature of the workforce and the numbers on site as the contract proceeds. For the AIR an Average figure is required and it is difficult to get this number as the record keeping is not the best. It is much easier for the HSE as they simply use the Customs and Revenue figures for numbers employed in a sector - hence their use of the AIR as a statistic.
In practical terms the AFR is much easier for sites as the record of hours worked is normally readily available BUT the HSE seem to have no idea of the actual hours worked in the industry.
In theory you can get an approximate conversion by dividing the total hours worked by the average hours figure for a typical employee to give an employee number for the period. But this can be very coarse. I have seen conversion factors but these all seem to be based on a 40 hour working week which is not typical of construction, I used to work typically 60 hours per week when resident on site.
Bob
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