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17. Terms used in this

17. Terms used in this guide Boom: A member attached to the crane structure from which the load is suspended and which can be raised or lowered. Diameter: The length of a straight line drawn from one side to the other through the centre of a circle. Dogger: A person qualified to sling and direct loads. Dunnage: Packing under loads. Eyebolt: Lifting ring attached to a load. Grade: Indicates the strength of chain or FSWR. Hammerlock and Couplers: Attachable chain links. Jib: An extension fitted to the head of the boom of a crane which extends the lifting radius. Sometimes called a 'fly' or 'fly jib'. Loading factor: The fraction of the safe working load created by a particular slinging method. Luffing: Raising or lowering the boom of any luffing crane. Overhauling weight: Counterweight to overhaul the weight of the hoist wire of a crane where no load is applied. Reeve (Nip): A method of slinging where the sling passes back through itself reducing the safe working load. Ring: End link of a chain assembly. Safe working load: The maximum load that can be safely lifted by a particular sling, attachment or machine. Shackles: Attachment for joining a sling to a load or a hook.. Sheave: A pulley through which flexible steel wire rope moves. Slewing: The left and right movement of a crane boom pivoting on its base. Sling: Lifting gear made from steel wire rope, chain or synthetics. Snigging: Dragging a sling or a load. Snotter: Fibre rope sling. Spreader: A beam with a central lifting attachment that reduces the strain on the lifting gear. Swivel: A rotating sling attachment that rotates without spinning the wire, hook or load. Workplace Health and Safety Queensland (Department of Justice and Attorney-General) Information guide - Guide for doggers PN10123 Last updated 15 July 2010 - 48 -

Appendix 1 Further information For more information about your responsibilities under the Workplace Health and Safety Act 1995, call 1300 369 915 or for electrical safety, call 1300 650 662 or visit www. worksafe. qld. gov. au. © The State of Queensland (Department of Justice and Attorney-General) 2011 Copyright protects this document. The State of Queensland has no objection to this material being reproduced, but asserts its right to be recognised as author of the original material and the right to have the material unaltered. The material presented in this publication is distributed by the Queensland Government as an information source only. The State of Queensland makes no statements, representations, or warranties about the accuracy or completeness of the information contained in this publication, and the reader should not rely on it. The Queensland Government disclaims all responsibility and all liability (including, without limitation, liability in negligence) for all expenses, losses, damages and costs you might incur as a result of the information being inaccurate or incomplete in any way, and for any reason. Workplace Health and Safety Queensland (Department of Justice and Attorney-General) Information guide - Guide for doggers PN10123 Last updated 15 July 2010 - 49 -

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