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Posted By skooter1
Recently I got in to a discussion about an access platform on my site with a more senior H & S Advisor.
On site we have an access platform which on times has been used for working on, it has a 3 meter rise on one side and a 6 meter drop on the other both accessed by ladders.
The scaffolder that built the platform has 10 years experience off shore on the rigs building scaffold so is very experienced.
About half a meter before the ladder either end there is a single handrail which you have to negotiate before accessing the ladder. I have always been told this is correct as it is a necessary obstacle to prevent operatives falling off an open end should they for any reason slip or get distracted.
The senior H & S Advisor has stated there should not be a single handrail across the access/egress point but a box section containing the ladder, but again this still leaves a point where you could walk off the end off the platform and fall.
For those who have worked as scaffolders or have any qualifications in this field could you please share your thoughts on this point?
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Posted By Liam Nolan
Hi,
Is the Ladder Attached at true vertical or is it correctly spaced out (75deg or 1 out for 4 up)?
If this is a permenant work platform and the ladder is vertical, I would suggest that a single ladder run this high is not compliant. A ladder hoop should be attached to any vertical ladder greater than 2.5m. (BS 5395).
Personnally, I would not allow an arrangement similar to what you describe. for the following reason.
The ladder should extend 1m above the level being accessed.
I think that mounting and unmounting a ladder is one of the hazardous times of being on a ladder (not forgetting over reaching from a ladder etc). Therefore to mount or unmount a ladder while nagotiating an obstical (the hand rail) can be dangerous. (Is there a knee rail on any part of the work top platform? another requirement).
If I see a scaffold tower with ladder access I expect to see the ladder set internal to the tower and the scafold boards laid with an apeture for the ladder to protrude through. Then a hinged cover to place ove the aperture to prevent employees falling down.
Don't know if this helps
Liam
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Posted By skooter1
Hi Liam,
Thanks for the response.
It is not a tower as you have described it is a scaffold platform, with ladders at a 75 degree at either end. which extend a meter above the platform
Looking at the working at height regs they state that anywhere an operative can fall from any given height there should be a preventative measure in place.
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Posted By Dave Randles
Skooter,
I am employed in a H&S Management role by a medium sized scaffold company and can tell you that this is a very contentious issue, with almost everybody involved in using scaffolds seeming to have one preferred method that they believe to be the safest means of access/egress.
Some time ago, we were involved in discussions with one of the major power generation companies with whom we had a maintenance contract, over which was the safest means of providing access/egress.
All of the various methods were discussed and my employer, the power company and their health and safety consultant each gave three different views. As we could reach no agreement, we made contact with the HSE and asked for their opinion and, rather predictably, we were informed that their preferred method was as per CIS 49. (Go here for a copy - http://www.hse.gov.uk/pubns/cis49.pdf)
Further discussions took place and we were informed that this matter would be put before the NIG. However, this was three years ago and no further advice has been forthcoming.
To attempt to justify our preferred means of access and egress (which incidentally is for a continual top guard rail OR a gate system) we endeavoured to find statistics relating to accidents that had occurred whilst the IP was accessing/egressing scaffolds when the top guardrail was continuous, but were unable to find anything more than the opinions of individuals.
There is currently a shift away from ladder access points towards staircases and where this is not possible, for self-closing gate systems to be installed in place of the continuous guardrail. My personal opinion is that both of these methods are safer than the continuous guardrail, but the decision as to whether or not to adopt them must be made locally.
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Posted By skooter1
Hi Dave,
Thank you for your response. By looking at the HSE document the pictured ladder would seem the ideal way for an access/egress.
If you can imagine the same picture but with the two Transom's extended by a meter and the ladder swivelled 90 degrees clock wise that’s how the ladder is positioned.
Would you say this was a fault with the design as there is now clearly an opening where operatives can fall?
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Posted By Dave Randles
My personal opinion is that yes, that is a design fault and that it contravenes the requirements of the C (H, S &W) Regs. However, the info sheet was revised (I think) in 2003, so it's quite obvious the author thought this arrangement to be neither unsafe nor illegal.
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