Tag: Professional Rigger

Rigging Training Workshop – Find Center Gravity by Test Lift

With four quick lifts, raising the load only a few inches, a rigger can confirm: a) The load’s estimated weightb) The load’s approximate center-of-gravity (CG)c) The approximate load at each pick point Find the approximate Read More

Rigging Advice: Sling Protection is Critical!

Crane and rigging accidents can generally be tracked back to a collection of events all arriving at the same place in time. Here at ITI Field Services, we have investigated the cause of eight fatalities Read More

Rigging Training Workshop – Rigging Selection: Tension & Sling Size

Some loads can be single point picked, and the rigging is selected based on suspended weight.Other times, a rigging task will require that we use a few steps to get to the solution. Note that in Read More

Rigging Training Workshop – Rigging Selection (sheave blocks)

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 rated at 3 ton WLL, and Read More

Rigging Training Workshop – Load Control

Identify the rigging method below which provides the best load control of the two hitch systems illustrated. Answers below. P.S.  This article was originally published in The Professional Rigger Newsletter – Load Control. Answers: Source:Mike Read More