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Posted By Dave Milne
I have a problem. One of the sites we visit regulary is in the habit of lifting with chain brothers (two legs with a hook on the end attached to a master link which goes onto the crane). They then choke the hooks back onto themselves instead of using a sling or similar. I was always taught this was bad practice and could fail due to lateral loading on the chain, but can not find any evidence of this.
Can anyone agree with me or tell me why I am wrong?
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Posted By John Murgatroyd
We use them all the time. The hooks are always looped over the work and hooked back onto the chain they are attached to.
No problem.
The load should be reduced from the maximum swl according to the angle between the chains...as the angle gets nearer to 90 degress the load the chain can lift is reduced.
The chain manufacturer can give you advice as to the load etc.
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Posted By Eric PD
It sounds like these brothers are being irresponsible. Why dont you eliminate the risk altogether by getting some chains to lift the equipment and reduce the risk of manual handling injuries to the brothers to a minimum.
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Posted By Frank Hallett
Further to the earlier responses. Assuming that there really is no other way of achieving the lift; you must ensure that the chains and the hooks are specifically designed to be used in this way [ordinary chain and hooks are not necessarily designed for this] AND ensure that you are compying with the requirements under LOLER as this is a big-time issue.
Frank Hallett
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