You are assigned to operate a vibratory compactor on a highway project near Calgary. During your walkaround, you observe a loose wheel lug nut on the rear axle. What is the appropriate initial action?

Question: You are assigned to operate a vibratory compactor on a highway project near Calgary. During your walkaround, you observe a loose wheel lug nut on the rear axle. What is the appropriate initial action?

Answer options:

• Tighten the lug nut with a standard wrench and continue operating. ✅ Notify the maintenance department immediately for proper torqueing and inspection.
• Mark the lug nut with paint and monitor it throughout the shift.
• Reduce operating speed until the end of the shift when maintenance can address it.

Correct answer: Notify the maintenance department immediately for proper torqueing and inspection.

Explanation: A loose lug nut indicates a potential wheel detachment hazard. It must be addressed by qualified maintenance personnel to ensure proper torqueing and inspect for damage, eliminating immediate and ongoing risk. (AB OHS Code, Part 2, Section 13)