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Posted By John Prictor
I have seen on many occasions jib hooks on Overhead gantries and small cranes without a safety latch. I was under the impression that all hooks no matter where used must have this safety latch. Any help??
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Posted By Martin Daly
You are talking about the main hook that holds the chains etc used for lifting.
As this hook is never used directly to lift but to attach chains, slings etc to the crane you do not need a saftey catch as there is no possibility of these slipping.
Its the chains that hold the load that create the problem.
Martin Daly
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Posted By Eddie Campbell
John
It depends on the application. We have had an LTI in the distant past when a sling slipped off an unguarded hook and landed on a chap’s shoulder. The EOT was travelling along to position itself over a load. The crane came up against the stops, which caused the hook to swing, and the sling dropped off.
The safety catch spring was found to be broken and thus the catch was ineffectual. All hooks and catches were checked and found to be sound. Except for the one that caused the LTI!
An assessment of the type of hook, the type of work and the proximity of personnel to the operation would provide the answer to your question.
Eddie
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Posted By Martyn Hendrie
Prior to the introduction of The Lifting Operations and Lifting Equipment Regulations 1998 there was a requirement for hooks used on construction works to either have a safety catch or be designed to prevent displacement. (e.g. Liverpool 'C' hooks)
Hooks used in factories did not have a specific requirement (in law) to have safety catches.
Since LOLER came into force the situation is largely unchanged as the Approved Code of Practice say's that lifting accessories used to secure the load should be compatible with the load and environmental conditions.
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