Heavy Equipment Operator Certification Exam Prep · Question
When preparing a construction site for excavation, what is the primary reason for managing surface water and groundwater?
Uncontrolled water ingress from surface runoff or groundwater can rapidly destabilize excavation walls, leading to cave-ins, and can make working conditions ext
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Question: When preparing a construction site for excavation, what is the primary reason for managing surface water and groundwater?
Answer options:
- A. To provide water for dust suppression on dry days. ✅ B. To prevent the erosion of excavation walls, maintain soil stability, and ensure safe working conditions.
- C. To fill the trench after work is complete.
- D. To facilitate easier compaction of backfill material.
Correct answer: B. To prevent the erosion of excavation walls, maintain soil stability, and ensure safe working conditions.
Explanation: Uncontrolled water ingress from surface runoff or groundwater can rapidly destabilize excavation walls, leading to cave-ins, and can make working conditions extremely hazardous. Effective dewatering and diversion are crucial for safety and project integrity.
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