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Questions and Answers
Which of the following is NOT a hazard associated with ground disturbance, excavation, and trenching?
Which of the following is NOT a hazard associated with ground disturbance, excavation, and trenching?
- Caving in, sloughing, or collapsing of walls or sides
- Formation of a toxic or explosive atmosphere (correct)
- Contact with foundations, adjacent structures, or buildings
- Contact with buried services
Which of the following is a method used to protect workers from the caving in, sloughing, or collapsing of walls or sides in an excavation or trench?
Which of the following is a method used to protect workers from the caving in, sloughing, or collapsing of walls or sides in an excavation or trench?
- Shoring (correct)
- Using powered mobile equipment
- Flooding and water accumulation
- Sloping
What is the definition of ground disturbance?
What is the definition of ground disturbance?
- Any excavation that requires a confined space entry procedure
- Any cut, cavity, trench, or depression in the earth’s surface resulting from rock or soil removal
- An excavation that is less than 3.7 m wide at the bottom, over 1.2 m deep, and of any length
- Any work, operation, or activity that results in a disturbance or displacement of the earth to a depth greater than 30 cm (correct)
What is the purpose of a confined space entry procedure?
What is the purpose of a confined space entry procedure?
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Which organization provides more detailed information about a confined space program?
Which organization provides more detailed information about a confined space program?
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