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Crane Operator Certification Exam Prep · Question

A crane operator discovers a major structural crack on the boom during their pre-shift inspection. What is the immediate and mandatory action required by provincial OHS regulations and CSA Z150 regarding this defect?

CSA Z150-16, Clause 5.2.2.1 and provincial OHS regulations mandate that any defect affecting safe operation must result in the crane immediately being taken out

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Question: A crane operator discovers a major structural crack on the boom during their pre-shift inspection. What is the immediate and mandatory action required by provincial OHS regulations and CSA Z150 regarding this defect?

Answer options: ✅ Immediately tag the crane as 'Out of Service' and notify supervision.

  • Attempt a temporary repair to complete the current lift.
  • Document the crack in the daily log and monitor its progression.
  • Continue operations cautiously, avoiding heavy loads until the end of the shift.

Correct answer: Immediately tag the crane as 'Out of Service' and notify supervision.

Explanation: CSA Z150-16, Clause 5.2.2.1 and provincial OHS regulations mandate that any defect affecting safe operation must result in the crane immediately being taken out of service, tagged, and reported to supervision. Operating with major structural damage is extremely hazardous.

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