The platform must be hoisted a few inches with the personnel and materials/tools on board and inspected by a competent person to ensure that it is secure and properly balanced.
The following conditions must be determined by a competent person to exist before the lift of personnel proceeds:
Multiple part lines must not be twisted around each other.
The primary attachment must be centered over the platform.
If the load rope is slack, the hoisting system must be inspected to ensure that all ropes are properly seated on drums and in sheaves.