Rigging and Signaling Awareness

90% of crane and rigging accidents happen from what?

• bad rigging and hardware

• weather

• human error

• operator error

what does the term minimum approach distance mean?

• the distance a crane must stay away from a power line

• how far away workers must stay away from a crane

• the area of danger around a crane

• how close you must be to approach a crane

What is the design factor for wire rope?

• 3

• 2

• 5

• 4

What is the most common shackle used in the construction?

• Anchor shackle

• screw pin shackle

• wedge pin shackle

• anchor shackle

what is used to prevent the accidental release of slings on the hook?

• latch

• spring

• catch

• shackle

what does blind lift refer to?

• the rigging has not been inspected

• the operator needs glasses

• the operator cannot see the load

• the side of the crane

what should we do if we are in a electrified area? choose all that apply

• run

• shuffle

• skip

• hop

WHAT IS THE MOST COMMON MATERIAL USED FRO SLINGS?

• SYNTHETIC

• ALLOY STEEL CHAIN

• MESH SLING

• WIRE ROPE SLING