Fall ProtectionCâu 53 / 100
How must scaffold platforms be planked to prevent workers or tools from falling through?
a.Left mostly open
b.Planked with 12-inch gaps
c.Not planked at all
d.Fully planked or decked with gaps generally no more than 1 inch around uprights
Giải thích
Scaffold platforms must be fully planked or decked, with the space between planks and between the platform and uprights generally not exceeding 1 inch. Larger gaps are only allowed where necessary to fit around uprights. Full planking prevents workers and tools from falling through.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- What must be considered to prevent a worker from hitting the ground during a fall arrest?
- When must a scaffold be inspected?
- At what height must most scaffold platforms have fall protection?
- How should a straight or extension ladder be positioned against a wall (the 4-to-1 rule)?
- How far above a landing must an extension ladder extend for safe access?
- What is the '3-point contact' rule when climbing a ladder?
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