Heavy Equipment Operator Certification Exam Prep · Question
According to Canadian safety standards, what is the primary purpose of shoring in a trench greater than 1.2 metres (4 feet) deep?
Shoring is a critical safety measure required for trenches exceeding 1.2 metres (4 feet) in depth to counteract soil pressure and prevent cave-ins, ensuring wor
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Question: According to Canadian safety standards, what is the primary purpose of shoring in a trench greater than 1.2 metres (4 feet) deep?
Answer options: ✅ To prevent trench wall collapse and protect workers inside.
- To keep the trench dry and prevent water accumulation.
- To provide a stable platform for equipment operation.
- To mark the trench edges for visibility.
Correct answer: To prevent trench wall collapse and protect workers inside.
Explanation: Shoring is a critical safety measure required for trenches exceeding 1.2 metres (4 feet) in depth to counteract soil pressure and prevent cave-ins, ensuring worker safety as mandated by provincial OHS regulations.
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