An toànCâu 450 / 521
Before digging near underground utilities in California, you are required to:
a.Just dig carefully by hand and hope for the best
b.Call the fire department for a spotter
c.Contact the regional one-call center (DigAlert/811) at least two working days in advance to have utilities marked
d.Do nothing if the work is on private property
Giải thích
California law requires notifying the regional notification/one-call center (DigAlert, 811) at least two working days before excavating so member utilities can mark their lines. Digging blindly, calling the fire department, or assuming private property is exempt all risk striking energized or gas lines.
Luyện miễn phí toàn bộ 521 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- 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:
- In California construction work, fall protection is generally required when a worker is exposed to a fall of what height or more?
- A standard guardrail system's top rail must be approximately what height above the walking/working surface?
- A straight or extension ladder should be set at a safe angle by placing its base at what distance from the wall?
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