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…
Safety
New crane safety products, crane accident stories and other safety related articles.
New rigger safety training course from SC&RA, ETS
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.
New Grease Safe Wire Rope Lubricator Reduces Costs, Increases Safety
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.
Rigging Workshop: Load Stability & CG – The Pro Rigger
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…
SC&RA Offers Mobile App For Crane Hand Signals
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.
We have been sent a series of new photographs from the fatal accident which occured last Wednesday in Boulder, Western Australia, that show that the catapulting accident was different from that indicated by the first reports we received.
ISA’s Updated Crane Safety Training in 40 Locations
The International Sign Association’s updated Mobile Crane Operator Safety Certification Training, which begins in January, will offer courses in more than 40 cities throughout 2011. In addition, each training course immediately will be followed by testing conducted by The National Commission for the Certification of Crane Operators (NCCCO).
During a rigging job it is important to decide the best rigging method which provides good load control and ensures success throughout the lift. Here are five good ways to…