安全第 1272 / 1605 题
Supported scaffold poles, legs, or uprights must be plumb and braced, and generally must rest on:
a.Loose bricks
b.Stacked scaffold planks
c.Wet soil
d.Base plates and mud sills (adequate firm foundation)
解析
1926.451(c)(1) requires supported scaffolds to bear on base plates and mud sills or another adequate firm foundation. Unstable objects like loose bricks or blocks must not support scaffolds or platforms.
法律依据: 29 CFR 1926.451(c)(1)免费刷完整 1605 道题库 — 无需注册。
同考点相关题目
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