Heavy Equipment Operator Certification Exam Prep · Question
A spoil pile is placed 0.5 metres from the edge of an excavation that is 4.0 metres deep. The soil type is moist clay. What is the primary hazard created by this placement?
Placing a spoil pile too close to the edge of an excavation creates a surcharge load, which adds significant weight and pressure to the trench wall, drastically
Start free practice for Heavy Equipment Operator Certification Exam Prep
500 questions · no signup required · 40 free questions per day
Question: A spoil pile is placed 0.5 metres from the edge of an excavation that is 4.0 metres deep. The soil type is moist clay. What is the primary hazard created by this placement?
Answer options:
- Increased risk of equipment overturning due to uneven ground.
- Reduced working space for personnel within the trench. ✅ An added surcharge load that can destabilize the trench wall.
- Difficulty in backfilling the trench upon completion.
Correct answer: An added surcharge load that can destabilize the trench wall.
Explanation: Placing a spoil pile too close to the edge of an excavation creates a surcharge load, which adds significant weight and pressure to the trench wall, drastically increasing the risk of a collapse.
Start free practice for Heavy Equipment Operator Certification Exam Prep
500 questions · no signup required · 40 free questions per day
More about Heavy Equipment Operator Certification Exam Prep
Related Questions
More for Heavy Equipment Operator Certification Exam Prep candidates
Ready to practice?
Free, no signup required. Build a wrong-question list as you go.
Start Free Heavy Equipment Operator Certification Exam Prep Practice →Related courses
Other Canadian certifications candidates often prepare for alongside this one.