According to industry standards, what is the recommended rule of thumb for cribbing and blocking beneath an outrigger float plate?

The recommended rule of thumb for cribbing and blocking beneath an outrigger float plate is to use an area that is 5 times the area of the outrigger float plate itself. This guideline is based on ensuring that the load is distributed adequately across a larger surface area, thereby reducing the risk of the ground or surface failing under the weight of the equipment.

Using this multiple helps to account for various ground conditions that may not provide a uniform or adequate bearing capacity. It ensures that the weight of the equipment is properly supported and that any potential for sinking or instability is minimized. This practice reflects a commitment to safety in hoisting operations, as improper cribbing or blocking could lead to accidents or equipment failure.

While other multipliers are mentioned in the choices, they do not provide the same level of safety and stability as the recommended five times area for cribbing and blocking.