Only if the rigging can handle it.
If the operator has experience and knowledge the crane can handle the load.
If your foreman approves it.
Any lift of 100,000 pounds or more.
A lift that requires multiple cranes.
A lift that exceeds 85% of the crane’s capacity.
A lift that exceeds 50% of the crane’s capacity.
A, B, and C
On critical picks.
Every pick needs to be tied to a "On the Spot Lift Plan".
Slower While Light Lifting
Safe Working Load Limit
Small Weight Lifting Limit
Secure Whole Lattice Length
Pipes and Scaffolding
As a last resort with your Job Superintendents approval.
Before the first use only.
Before each shift.
6 random broken wires in one lay.
All of the above.
Be qualified to operate the equipment.
Be trained in the use of the “On The Spot Lift Plan” (Company Form 584LP).
Have a basic knowledge of crane inspection to be aware of any problems in the crane structure, hoisting assembly, or drive train.
Understand the Crane Capacity Charts.
Be thoroughly familiar with the controls/power system.
Fresher can work as interns
The longest boom possible.
The heaviest boom.
The shortest boom possible.
None of the above.
Here's an interesting quiz for you.