High Risk Work Licence - Derrick Crane (CD) Practice Questions - Australia High Risk Work Licence - Derrick Crane (CD) Assessment Exam

Under Australian Standards, if the crane operator loses sight of the dogger or rigger during a lift, what must they do?

Continue the lift slowly until the load is visible again. Sound the horn twice and rely on guess-estimation. Immediately stop all crane movements until communication is re-established. Increase the luffing speed to get the boom clear of obstructions.

Correct Answer:

Immediately stop all crane movements until communication is re-established.

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