In this issue of the Professional Rigger, let's evaluate an accident. Read the case study below and identify the improper practices based on the list given. Answers provided at the bottom.Runaway..
Any time 2-hook pick is made, the crew needs to determine the weight carried by each hook, based on the center-of-gravity (CG) of the load. Review the schematic below and then evaluate the Master..
A sincere "Thank You" to our steadfast readers and supporters, who over the years have been entertained by the Professional Rigger. We thought that a fun way to kick off the year would be with a..
This workshop requires the reader to consider the CG (center of gravity) of a load and the desired weight distribution to the tractor and trailer axles respectively. Often a rigger and truck..
A crew must load out a short bridge column which will be used in a creek bed to support one end of a light bridge deck. The crew rigged the precast column at two locations about 20 feet apart...
Sometimes we can sharpen our skill and knowledge level with a series of questions which cause us to draw from our experiences with cranes and rigging. Try your hand at the following questions and..
Every once in a while I pause and wonder, “Is what I’m doing, really worth it?”
“Will there be people who really benefit from this training?”“Are we all helping or hurting the process, by..
Many things affect the distribution of weight being lifted at various pick points on a load:
A fairly simple method to upright a load is to lift with a crane while moving horizontally. In our March 1996 Issue, we discussed the use of a step block to help avoid "flop-over" or shock load..