Crane Set Up
Crane has been leveled and outriggers fully deployed.
Total weight of the load does not exceed 50% of rated capacity of the crane.
Two means of controlling decent of platform are available to prevent free fall, brakes and another automatic means.
Variable angled booms have boom angle indicator.
Telescoping boom has boom length clearly indicated
Anti-two-blocking device prevents load block and boom tip contact
Load line has device that regulates the lowering rate of speed, prevents free fall.
When wire rope bridle/rigging is used it connects to a master link, not directly to the personnel platform
Hook on overhaul ball is closed and locked.
Trial Lift Proof Testing
Trial lift with the unoccupied personnel platform loaded to anticipated weight.
Platform lifted to each location at which the personnel platform is to be hoisted.
Hoist ropes are free of kinks and multiple part line is not twisted around each other.
No slack in load rope around drums.
Visual inspection of platform and crane after trial lift test looking for defects.
At each job site, platform tested to 125% of platform-rated capacity by holding it in a suspended position for five minutes, PRIOR to hoisting employees on the platform.
The crane operator, employees to be lifted and any other workers involved, must attend the meeting. It needs to be held prior to the Trial Lift and at each new work location for newly assigned employees or workers.
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Source: MaintainX (Community Member)