Skip to main content

Plumber Red Seal · Question

You are required to work in a newly excavated trench that is 1.5 meters deep. According to most provincial occupational health and safety regulations in Canada, what is the primary requirement before entering?

Regulations typically require trenches deeper than 1.2 meters (4 feet) to have their walls supported by shoring or sloped to a safe angle of repose to prevent a

Start free practice for Plumber Red Seal

177 questions · no signup required · 40 free questions per day

Start Practice →

Question: You are required to work in a newly excavated trench that is 1.5 meters deep. According to most provincial occupational health and safety regulations in Canada, what is the primary requirement before entering?

Answer options: ✅ The trench walls must be adequately sloped or shored

  • A stand-by worker must be present at all times
  • The air quality must be tested with a calibrated meter
  • Protective eyewear must be worn

Correct answer: The trench walls must be adequately sloped or shored

Explanation: Regulations typically require trenches deeper than 1.2 meters (4 feet) to have their walls supported by shoring or sloped to a safe angle of repose to prevent a potentially fatal collapse.

Start free practice for Plumber Red Seal

177 questions · no signup required · 40 free questions per day

Start Practice →

More about Plumber Red Seal

Related Questions

More for Plumber Red Seal candidates

Ready to practice?

Free, no signup required. Build a wrong-question list as you go.

Start Free Plumber Red Seal Practice →

Related courses

Other Canadian certifications candidates often prepare for alongside this one.