Sunday, November 29, 2020

Safe Rigging Practices

Authorized, Competent and Qualified worker or employee carries out rigging must always take care of attention to details very carefully and closely. Single Safety negligence, careless moment or act can result in serious injury or fatal death and huge financial destruction. Appropriate rigging is a skill and should never be left to the inexperienced personals. If you don’t know how to do it properly and safely, then don’t try it.


Balanced – load equally distributed on each side of the point of support.

Breaking Strength – the comparative key point, when under the maximum quantity of load, the load handling device failure.

Bridle Sling – A sling combination of various legs reunited in a fitting that goes over the lifting hook.

Competent Person – Hired, appointed or assigned by the employer as being competent, skilled to perform a particular job.

The Factor of Safety – the ratio of breaking strength to the force to be practised. 

Hitch “Basket” – this term refers to the loading with the sling passed under the load and both ends on the hook or a single master link.

Hitch “Choker” – this essential term in rigging operation refers to the loading with the sling passed through one eye and suspended by the other.

Hitch “Vertical” – this term refers to - loaded with the load suspended vertically on a single part or leg of the sling.

Master link – a steel link or ring utilized to support and strengthens all legs of a chain or wire rope sling.

Mousing – This term in rigging operation is about lashing between the neck and the tip of a hook to prevent the load coming off.

Rated Capacity – the maximum amount of Allowable Working Load (AWL).

Rigging – This term in rigging refers to the connection of a load to a source of power so that it can be lifted and moved securely and predictably without any serious occurrences.

Safe Working Load (SWL) – the maximum PERMITABLE working load well established by the manufacturer.

Sheave – a wheel with an engraved circumference over which a rope is bent.

Wire Rope – consists of various individual wires INSTALLED or LAID into various strands which are in turn, laid around a centre core.

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