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Chain slings, hooks without safety latches + web slings
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imponderabilius  
#1 Posted : 27 November 2014 17:51:39(UTC)
Rank: Forum user
imponderabilius
Hi all, I've recently come across a practice of lifting pup joints with the following configuration (from top to bottom): - overhead crane - two-legged chain sling with hooks but no safety latches - web sling - magnet -pup joint the web sling is short, holds the magnet and is attached to one of the hooks of the two legged chain sling. I feel in my guts it's wrong, but... funnily enough, I searched LOLER ACOP and PUWER and couldn't find ANY information about attaching web slings to chain slings without safety latches. Neither could I find information about the requirement of using hooks with safety latch on chain sling to do vertical lifts... Can anyone help please?
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hilary  
#2 Posted : 28 November 2014 12:53:39(UTC)
Rank: Super forum user
hilary
If you were to consider the web sling as, say, a D shackle attachment then you would not regard this as being in any way peculiar. As long as all the parts are rated to the requisite amount and in good condition then the lift should be OK (in my understanding). However, I would not lift on a sling without a safety latch on the hook, especially using a magnet where the sling might very well go loose in the process. Have you checked the Supply of Machinery Safety Regulations as it might very well be in here?
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nickygee  
#3 Posted : 30 November 2014 18:41:41(UTC)
Rank: Forum user
nickygee
Hi Mate I use the NSL (North Sea Lifting) Handbook or the ILEEA (International Lifting Equipment Engineers Association) Handbooks as a point of reference for all such queries. If you don't get the answer you need, then you will have to resort to going through a lifting risk assessment and see how you satisfy your ALARP principle
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imponderabilius  
#4 Posted : 09 December 2014 10:05:18(UTC)
Rank: Forum user
imponderabilius
Thanks for your answers guys. I've gone through LOLER which clearly states that hooks should either have safety latches or be of such shape as to prevent load coming loose and detaching from the hook. Apart from that, after digging into my company's policy, I found out that all hooks should have safety latches as far as practicable.
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Judex  
#5 Posted : 09 December 2014 11:02:25(UTC)
Rank: Forum user
Judex
From a document accessible from the French website Institut National de Recherche et de sécurité, sliding of an article being lifted and defective latch at hook counts for 40% of accident. The document "accessoire de levage" can assist you.
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