Only trained, qualified and specifically designated persons shall operate a WHOI mobile crane. Review WHOI's General Rigging and Crane Safety Guideline.
- Interpolation of the safe working load in the load capacity is disallowed unless specifically allowed by the manufacturer. Extrapolation is strictly disallowed.
- Crane operator shall not engage in any practice that will divert their attention while operating the equipment.
- Tag lines should be used where applicable to minimise swing.
- Unless stated by the manufacturer, the crane should have its outriggers fully extended with the wheels off the ground. The ground should be level and capable of supporting the full weight of the crane and its load.
- It is expressly forbidden to use the crane to drag any load, or any operation that may cause the hoist line to be out of plumb. Loads should be kept close to the ground.
- Interpolation of the safe working load in the load capacity is disallowed unless specifically allowed by the manufacturer. Extrapolation is strictly disallowed.