安全第 1262 / 1605 题
Excavated spoil, materials, and equipment must be kept at least how far back from the edge of an excavation?
a.1 foot
b.6 inches
c.10 feet
d.2 feet (or use retaining devices)
解析
1926.651(j)(2) requires spoils and equipment to be kept at least 2 feet from the excavation edge, or retained by devices, to prevent material from falling in on workers.
法律依据: 29 CFR 1926.651(j)(2)免费刷完整 1605 道题库 — 无需注册。
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