Unit 3 Flashcards
What is achieved by guarding off the work area?
Prevents access of people not involved
What must be avoided when using wire rope slings?
Sharp edges
How often must hoisting equipment be inspected?
Before each use
What is an important factor when maintaining the safety of hoisting equipment?
Keep logbook of inspections & maintenance
What is required to perform a safe rigging operation?
-weight of load & rigging hardware
-capacity of hoisting device
-working load limit of hoisting rope, slings and hardware
When must a signaller, direct operations involving a pendant crane?
When the operator doesn’t have a clear view of the load and it’s intended path
Why are electric winches preferred over gasoline powered models?
Exhaust fumes
What factors can cause pinch points while hoisting and rigging?
Rotating equipment, excessive load swing, improper load rigging, equipment failure, operator error
What must be done with defective or damaged hoisting equipment?
Immediately tagged & removed from service
When is it permissible to hoist a load over another worker?
Never
