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Posted By Amjad Ata
Hi all there,
I would like to ask about the general hierarchy of control measures. (what i have is: elimination, substitution, isolation, changing work method & PPE).
your response, highly appreciated.
Amjad
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Posted By Darren J Fraser
Hi Amjad
If you are a bit more specific as to what you wish to know, you may get a better response
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Posted By Chris Packham
Amjad
Try this, which I use on our courses on chemicals and the skin:
1. Design workplace, equipment etc. to minimise risks. (It is much more expensive to try to make it safe afterwards!)
2. Eliminate or substitute (but be sure in doing so you do not introduce new hazards).
3. Introduce process/engineering controls.(These can often reduce operating costs, improve quality or productivity.)
4. Use suitable tools to achieve a safe working distance from any chemical hazard (e.g. tongs, long handled brush etc.).
5. Design safe working methods and ensure that these are adhered to.
6. Provide personal protective equipment and ensure that this is used within its performance limits, that the workforce have been suitable trained and that their use is monitored.
7. Limit the effect of chemical exposure by job rotation, good personal hygiene practices etc.
8. Set up an early-warning system by a properly designed and operated system of health surveillance.
Hope this is of some help.
Chris
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Posted By Martyn Astey
Just a quick observation.......
Aren't 1 and 3 the same, and aren't 5 and 7 the same?
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Posted By Amjad Al Ata
Thanks for all who responded.
Hi Darren,
I am working on RA presentation & one of the topics covered is "the hierarchy of control measures" so I am looking for the general hierarchy concepts regardless the hazard type.
Regards
Amjad
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Posted By Darren J Fraser
Amjad
Contact me off forum and may have something of interest for you.
Regards
Daz
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Posted By SeanThompson
E- Eliminate
R- Reduce
I- Isolate
S- Substitute
C- Control Measures
P- PPE
D- Discipline
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Posted By Dan Lynch
Amjad
The controls measure in Irish legislation are as follows and may be of help
( a ) The avoidance or risks.
( b ) The evaluation of unavoidable risks.
( c ) The combatting of risks at source.
( d ) The adaptation of work to the individual, especially as regards the design of places of work, the choice of work equipment and the choice of systems of work, with a view, in particular, to alleviating monotonous work and work at a predetermined work rate and to reducing their effect on health.
( e ) The adaptation of the place of work to technical progress.
( f ) The replacement of dangerous articles, substances or systems of work by non-dangerous or less dangerous articles, substances or systems of work.
( g ) The development of an adequate prevention policy in relation to safety, health and welfare at work, which takes account of technology, organisation of work, working conditions, social factors and the influence of factors related to the working environment.
( h ) The giving to collective protective measures of priority over individual protective measures.
(i) The giving of appropriate training and instructions to employees.
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Posted By Chris Packham
In reply to Martyn's comments:
No, 1 and 3 are not the same. 1 is ensuring that any when a new project is being considered or new equipment purchased, the issues of safe operation (and particularly chemical management) is included so that retroactive introduction of controls can be eliminated. 3 is the introduction of engineering and process controls on already existing processes or activities.
5 and 7 also differ. 5 is designing safe practices for completing the task, hopefully eliminating exposure. 7 is where exposure cannot be avoided and is intended to minimise the risk.
For example, if someone has to wear occlusive gloves for long periods, this can result in irritant contact dermatitis. By rotating the task so that no person has to wear the gloves for long and that their skin has time to recover we can limit the skin damage to the extent that no dermatitis will occur. Under 5 we might be able to establish a working practice where gloves are not needed, so job rotation might not be necessary.
Hope this answers these points.
Chris
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Posted By cara
Another one I use this in my risk assessment training....
Hierarchy of controls
1. Elimination
2. Substitution
3. Enclosure
4. Change to work environment, segregation
5. Guarding against risk
6. S.O.P’s (Standard Operating Procedures)
7. Supervision
8. Training
9. Warning signs
10. PPE (Personal Protective Equipment)
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Posted By Alan Hoskins
That's a good list Cara.
Don't overlook that a combination of controls will usually be operating at any time.
Alan
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Posted By cara
Yes definitely agree Alan! Plus it's quite probable that you can't eliminate or substitute many risks - some we have to live with and i.e. combination of training, S.O.P's and PPE for example are more than adequate!
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Posted By Chris Packham
For chemical exposure you do not actually have to eliminate all risks. COSHH requires us to eliminate or "adequately control" exposure.
However, COSHH is not specific about what it means by "adequately control", particularly when skin exposure is concerned.
This is just as well. At the European Society of Contact Dermatitis conference in Berlin in September, statistics were presented to show that in Germany wet work, i.e. contact with water, was the major cause of occupational contact dermatitis. Eliminating contact with water is obviously impossible. Nor is it possible, given the difference in how individuals will react, to state what is a safe level of exposure. (This is where skin health surveillance and particularly the modern technique of skin bioengineering can help). This is one reason why we do not have skin exposure limits.
So, particularly with skin exposure, it remains a largely subjective decision as to what constitutes an acceptable level of exposure to a large body of common substances found in the workplace.
Chris
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Posted By ddraigice
There are many variations (e.g. COSHH, WAH Regs etc.) but the requirement is under the Managemtn Regs. Look in the ACOP, schedule 1 and reg 4 (page 11,12 and 40 in my book but its a little old!) Page 12 is what you are looking for I suspect, and gives a lot of info.
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