Fixed Swing Crane Operations Practice Test

Outriggers may be less than fully extended when?

Only when the operator approves When the crane is at full extension See load chart for this operation When the ground is dry

Correct Answer:

See load chart for this operation

Explanation:

Outriggers are chosen to create the crane’s stable footprint for a specific lift, based on the load, radius, boom length, and ground conditions. The load chart is the reference that tells you exactly how far to extend the outriggers for a given lift. In some cases, the chart allows or even requires less than full extension because that configuration still keeps the crane within its rated capacity and maintains stability for that particular load and radius. So, the safest and most accurate way to determine whether outriggers can be less than fully extended is to check the load chart for that operation. The other factors—operator approval, full extension by default, or dry ground alone—do not determine the correct outrigger setting.

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