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Rigging Chains and Hooks Terms for Any Project

Rigging chains and hooks play a big role on construction sites and other workplaces. But rigging isn’t complete without safety rules. That’s where OSHA, ASME, and ANSI come in. This guide also explains the different levels of people who can work in rigging.

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There are designated persons, competent persons, certified persons, and qualified persons. These titles mean how much responsibility you have. They also show how much training you need for different rigging tasks. You’ll also see common rigging terms, like working load limit, below the hook, and center of gravity.


The working load limit is the most weight rigging equipment can safely handle. Below, the hook refers to the stuff you use to connect the load to the lifting equipment. And the center of gravity is the point where all the weight of an object balances. Meanwhile, chains are the strong arms of the operation. They’re tough and durable, designed to handle serious weight.


You’ve got different types, like grade 70 chains. Then there are grade 80 and grade 100 chains. These are tough and can handle heavy loads. Now, onto hooks – they come in all shapes and sizes, each with its special role. You’ve got your grab hooks, which act as all-purpose hooks.


They grab onto things tight and don’t let go. Then there are sling hooks perfect for attaching to straps or chains for lifting. And don’t forget about eye hooks, great for creating anchor points for lifting. Watch this video to learn about basic rigging terms. If you’re new to rigging, this is a helpful resource to get you started.


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