Often a winch is mounted to a column and used for utility rigging purposes in a general work area. With limited headroom and access for other material handling devices such…
New crane safety products, crane accident stories and other safety related articles.
Review the problems below and give your best answer. Compare your answers to the Answer Key below. 1. The rigger may exceed the rated capacity of wire tope slings and…
Just when we think all of the possible methods for rigging a particular load have been tried, along comes another system that requires consideration. Each system will fall into the…
For a standard same-elevation lift, we first determine the distribution of weight at each pick point. Then we divide the sling’s length by the head height, and multiply that “load…
The Specialized Carriers and Rigging Association (SC&RA) and Equipment Training Solutions, LLC (ETS) have rolled out a comprehensive Rigger Safety Training Course.
Imperial Crane in the USA has announced that it has achieved an Experience Modification Rate (EMR) of .75, a record low for the company. According to Imperial an EMR is informative and important because it represents the results of a company’s safety policy. A high or low EMR can affect opportunities for potential work, the company said.
Manual lubrication of wire ropes via the drip, brush, spatula or rubber glove method has always been a difficult and time consuming maintenance task. Typically messy asphaltic or “blackjack” type products are employed which have coating abilities but very little lubrication or penetration properties – the core of the rope is therefore not lubricated.
The crane must be shut down when wind speeds at its upper reaches hit 35 mph, although it also can be shut down in lesser winds if the operator thinks conditions warrant. Cold weather alone, however, won’t stop work through the winter on what Rinner calls the Statehouse’s “drum” — the area above the roofs of the building’s four wings and below the copper dome.
We can enhance our understanding of how a load maintains its stability by looking at the location of its center-of-gravity (CG). With that in mind, we would like to present…
The Specialized Carriers & Rigging Association (SC&RA) now offers a free mobile app for instantly accessing all necessary crane hand signals. The new app is available in the iTunes App Store and Blackberry App World. Every signal included is compliant with the new OSHA Cranes and Derricks Standard, Appendix A to Subpart CC of Part 1926-Standard Hand Signals.