Circle the best answer for each system which matches the illustrations at the right. Information: All winches have a maximum capacity of 2 tons. All single sheave rigging blocks are…
Industrial Training International
Identify the rigging method below which provides the best load control of the two hitch systems illustrated. Answers below. Happy trails to all my crane and rigging friends, Mike Parnell…
Rigging Training Workshop – Rigging Selection
Rig from the bottom up. Select the correct rigging for the load below using the Master Rigger’s Reference Card panels at the right. Answers can be found below. Happy trails…
Rigging Training Workshop: Off-set CG, Sling Length Estimate
Once in a while we are faced with a rigging challenge that requires us to go back to a² + b² = c² . To solve the following “tension” questions…
Rigging Training Workshop: Off-level Pick Points
When a load’s lifting points are not on the same plane or elevation, the tension in each sling must be calculated in a little more formal method. Use the panels…
Crane and Rigging Rodeo at ConExpo 2011 – The Pro Rigger
The Crane and Rigging Rodeo at ConExpo 2011 was a tremendous success! Crane operators performed tasks that challenged their ability to operate a crane and suspended load through a pre-designated…
Rigging Training Workshop: What’s Under-Rigged? – The Pro Rigger
Identify the rigging that does not have sufficient rated capacity for the load. If under-rigged, suggest the proper size. Use the panels from the Journeyman Rigger’s Reference Card (pictured below)…
Rigging Training Workshop: Load Transfer with Trolley Beam – The Pro Rigger
When using temporary trolley beams to hoist and transfer a load, special consideration must be given to the loads imposed at the beam’s support points. In the following example, the…
Rigging Training Workshop – Load Weight Estimation-Half Circle
Estimating a load’s approximate weight is always an important part of any rigger’s checklist and must be done before choosing the rigging system. Have some fun and estimate the weight…
Rigging Training Workshop: Load Weight Estimation – The Pro Rigger
Estimating a load’s approximate weight is always an important part of any rigger’s checklist and must be done before choosing the rigging system. Have some fun and estimate the weight…