Key Questions
The following key questions are answered in this module:
What are the three primary types of cranes?
The three primary cranes used in industrial settings are: bridge cranes, gantry cranes, and jib cranes.
What does "rigging" mean, and what is the most common way to do so?
The term "rigging" refers to any equipment used to attach a load to the crane's hook. Slings are the most common type of rigging; they support a load by wrapping around it or by connecting to it.
What three things must be verified before a lift is attempted?
The three things that must be verified are that the crane and rigging must have been inspected, the crane and rigging must have enough capacity to lift the load, and the load and rigging must be stable.
What kind of hoist lines are used for various crane types?
The hoists on different cranes use different hoisting lines. Wire rope is used on larger cranes. Smaller cranes can use link chain, leaf chain, or roller chain.
What rules should be followed, in regards to personal protective equipment, when working around industrial cranes?
When working with industrial cranes one should: wear gloves to protect your hands, wear steel-toed shoes, avoid loose clothing and jewelry, and wear a hard hat. Your workplace might have other rules about required protective equipment, such as eye protection or hearing protection.