Slings

Here is a question from Adam, a mobile crane operator working in the mining industry, who regards proper rigging equipment and practices as a major safety priority: “We have a 1-inch GR80 chain sling, 30 feet in length that is around ten years old and in good condition, although there is inner link wear throughout the […]

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Richard, a salesperson for a CMCO distributor and recent safety webinar attendee, asks:  “Is it acceptable to use lever tools to shorten or lengthen slings? Are there any concerns of locking up the lever tool brake?”   Peter Cooke, CMCO Training Manager and Safety Webinar presenter, answers: Your first step is to go to the […]

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Overhead Lifting Slings are generally used in conjunction with a crane, powered hoist, manual or lever hoist or some type of lifting device. There are numerous types of materials used for building overhead lifting slings – each with specific advantages and disadvantages – including: Chain Wire rope Synthetics Metal mesh. Understand the Application Before You […]

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  Chain slings are a combination of chain, hooks, rings and other attachments used primarily for overhead lifting applications. Slings are often used in conjunction with cranes and other lifting devices and allow riggers to create custom configurations to lift loads depending on the needs of that specific application. Standard chain sling configurations consist of chain branches that […]

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  Jason asks: Who is responsible for putting tags on chain slings?  Can I retag my chain slings with missing tags?  Do I have to load test a sling after I retag it?   Peter answers: It is the sling manufacturer’s responsibility.  The sling manufacturer is a person or company assembling or fabricating sling components […]

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Richard asks: What is the working load limit of a ½ “ – G80 2-legged chain sling when both legs are used in a choke?   Peter answers: The first thing that you want to do is to look at how the choke is rigged or rendered.  Working load limits shown on charts or tags […]

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  OSHA has recently updated the following regulations for slings: 1910.184 (general industry) 1915.122 1915.113 1915.118 (for shipyard employment) & 1926.251 (construction). Effective June 8, 2011, all slings, chain, synthetic & wire rope, are required to have identification tags/labels permanently attached to them. This regulation applies to slings sold and used in the United States. Historically, […]

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Ben from Chicago asked: Is it possible to mix grade 80 chain and grade 100 components on a sling assembly? Peter answers: In simple terms, yes –  BUT the assembly can only be rated at the grade 80 WLL.  Here is an example:  A sling is made with grade 100 chain and the hooks used for the sling are grade 80. […]

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