Know where the crane disconnect switch is located.
Verify there are no warning signs on or around the push button pendant.
Make sure workers aren’t performing their duties nearby.
Ensure that the load can travel freely or without impediments.
Ensure there are no obstructions in or around the area where the load will be moved, and that the area is large enough to move and place materials safely.
Check that all below-the-hook devices are designed for the crane in use and can safely lift loads.
Ensure that the load cpacity is less than or equal to the rated capacity of the crane.