An toànCâu 446 / 521
Who must inspect an excavation for hazards (before each shift and as conditions change) and classify the soil?
a.A competent person who can identify hazards and is authorized to take prompt corrective action
b.Any laborer available that day
c.The city electrical inspector
d.The electric utility company
Giải thích
Excavations must be inspected by a competent person—someone able to recognize hazards and authorized to take immediate corrective action, including ordering workers out. An untrained laborer, the electrical inspector, or the utility does not meet the competent-person requirement for trench safety.
Trích dẫn luật: Cal/OSHA Title 8 §1541Luyện miễn phí toàn bộ 521 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- A single ground rod electrode that does not achieve a resistance to earth of 25 ohms or less must be:
- The purpose of the main bonding jumper at a service is to:
- An excavation or trench that is how deep generally requires a protective system (sloping, shoring, or shielding) unless it is entirely in stable rock?
- Excavated soil (spoil) and equipment must be kept at least how far back from the edge of a trench?
- In a trench 4 feet or more deep, a stairway, ladder, or ramp must be provided so that:
- Before excavating a trench 5 feet or more deep into which a person must descend, a California employer generally must obtain:
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