Carry-Deck Crane Practice Test

What is the standard practice for outriggers during a typical lift on uneven ground?

Do not use outriggers. Deploy only on one side. Extend all outriggers fully and level the crane before lifting. Only partially deploy outriggers.

Correct Answer:

Extend all outriggers fully and level the crane before lifting.

Explanation:

Stability comes from a wide, level foundation. Extending all outriggers fully and leveling the crane before lifting creates a solid base that distributes the crane’s weight evenly and keeps the center of gravity over the base. This minimizes tipping risk, especially on uneven ground, because every outrigger bears load and the crane sits level, allowing the rated lift to be maintained. When ground is uneven, use solid footing, mats, or cribbing under the outriggers as needed and adjust until level before starting the lift. Skipping outriggers, using only one side, or deploying them partially undermines stability and is not safe for lifting.

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