Heavy Equipment Operator Certification Exam Prep · Question
Which of the following describes a 'sloping' method used for trench protection?
Sloping involves excavating the trench walls back at an angle that is sufficient to prevent collapse, based on the soil type and conditions. This is one of the
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Question: Which of the following describes a 'sloping' method used for trench protection?
Answer options:
- A. Installing hydraulic jacks and shoring panels in the trench. ✅ B. Cutting back the sides of the excavation to a stable angle of repose.
- C. Using an engineered shield or box to protect workers.
- D. Reinforcing the trench walls with shotcrete.
Correct answer: B. Cutting back the sides of the excavation to a stable angle of repose.
Explanation: Sloping involves excavating the trench walls back at an angle that is sufficient to prevent collapse, based on the soil type and conditions. This is one of the primary methods for protecting workers in an excavation, alongside shoring and shielding.
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