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I work for a company that manufactures and installs architectural and structural metalwork. They have their own welding / fabricating workshop and employ 10 welders.
There is no LEV and the RPE is worn sometimes incorectly, or in one case not worn at all. I have always belived that employees coming to work on any day of their life should not get back home less healthy than they were when walked in. The fact that dusts, fumes, vapours resulted from certain work processes are hazardous to health is not news. Has anyone ever thought that welding fumes are not hazardous to health? Has anyone thought that getting metal fume fever, stomach ulcers, kidney damage and nervous system damage du to prolonged exposure is more acceptable than cancer? We knew how bad to health welding fumes are for many, many years now, and yet businesses have not taken this seriously ever - we are a small workshop, we do not weld much in a day - but tehre is welding every day, is expensive, etc. So, better ease the weight of the planet by aiding getting people ill more quickly and eventaully dead? I am struggling to get the directors of this ''small welding workshop'' to do anything about it. Yes, we know BUT is expensive. Never something like, ''We know is expensive, but we will phase the purchase of mobile extraction units, and by the end of this year we will have a better control over it''. Therefore, I do not feel sorry for any of the ''small businesses'' that will go bust when fined / closed by HSE or due to law suits, because they have been waiting for it for years! Edited by user 14 March 2019 13:52:11(UTC)
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Rank: New forum user
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Some intresting comments on HSE recent update, however I notice no one discussed requirement of health surveillance/ lung function test?
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Rank: Forum user
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Originally Posted by: Oldroyd19659  Can i just make the point that no legislation has changed, no guidance has changed with repect to weld fume. What has happened is that EH40 has been updated and Chromium VI has been classified as a carcinogen. The rush to invest in air fed helmets is absolute folly. Each individual area of welding needs to have its own COSHH assessment.
For example if you are welding Mild steel using FCAW or MIG this is predominantly a trivalent reaction and gives off Chromium II which if you look in EH40 the WEL is 0.5 mg/m3. We sample on a regular basis and get indicitive readings generally of 0.0006mg/m3. if you then stuck someone in a PFF3 at a APF of times 20, that in theory gives you protection to a theoretical value of 10mg/m3 so why would you buy an air fed.
Then take the scinarioif you were welding mild steel using MMA then this would create Chromium VI which is a hexavalent reaction, and, as noted has been redesignated a carcinogen with a WEL of 0.05mg/m3.Given you get the same indicative readings of 0.0006mg/m3 then this is way below the WEL and you would be legally compliantto utilise PFF3 protection.In all scenarios you really need to try to facilitate engineering controls where possible. But to just go for air fed is ludicrous. If you look at the example above you would simply say use MIG where possible. As I said its about the assessment.The best way if you are in a workshop of keeping the team safe is to utilise flexible LEV and make sure the team know how to fully make use of it and extract the full plume. That way they should get 0mg/m3 of anything so why on earth would you give them an air fed mask as well.
A really interesting post, not the standard current knee jerk reaction I’m seeing in most posts. May I ask how you are carrying out your monitoring?
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As mentioned the engineering controls are very expensive. Can we hope that suppliers of protective equipment will see an opportunity to consider safety over profit making? Reducing prices for this equipment so its more affordable for the smaller businesses, allowing them to still compete without added overheads. It seems to be one area we have not fully discussed, can peer pressure help reduce the price of costly equipment?
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Rank: New forum user
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My organisation is involved with cutting up mild steel (burning method)
Does anyone know if the fumes from burning steel produces the same fumes as welding?
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Apologies, I've come to this topic late. I work for a company that fabricates and manufactures pipework, brackets and tanks using all types of welding techniques on stainless and mild steel.Our take on this, although it's being challenged even now by some of our Managers who contend that there's minimal fume with TIG welding and can't get their head around the guidance is:
1. In workshops even with good natural ventillation LEV is provided either fixed or temporary.
2. Outside, RPE
3. In factory areas i.e installing, risk assessment covering the welders and client staff and provision of portable LEV units where it's practicable. Forced ventillation and RPE when it's not practicable.
4. If RPE is required it will be air fed positive pressure screens, disposables tend to fog up the screens and you can't guarantee that they will be worn correctly or that the individuals will be clean shaven
Of course forced ventillation can affect the welding processand thereby the quality of the weld so it has to be properly placed and directed to avoid this happening
The problem of face fitting and beards is an issue, most of our lads will shave to go out on a Saturday night and then not bother until the following Saturday and the popularity of big bushy beards these days makes it even more difficult. I'd rather provide an air fed screen than have a poorly fitting disposable inspected by the HSE if they visit site.
Interestingly more and more subbies are turning up on jobs with their own air fed helmets. Having said that, I've just challenged RAM's provided by another contractor that had no provision for LEV, his reply was that it wasn't required for TIG as long as there is good natural ventillation. They also said that their works was inspected by the HSE last year and they were advised that LEV wasn't required for TIG so the change in the guidance and enforcement still hasn't got through in some areas.
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