Fall ProtectionCâu 45 / 100
What is the required top rail height for a standard guardrail system?
a.12 inches
b.60 inches
c.20 inches
d.Approximately 42 inches, plus or minus 3 inches
Giải thích
A standard guardrail top rail must be about 42 inches high, plus or minus 3 inches, above the walking or working surface. A midrail is installed roughly halfway between the top rail and the surface. Guardrails must withstand at least 200 pounds of force applied outward or downward.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- At what height is fall protection generally required in construction?
- Which of the following is a conventional fall protection system?
- What are the three main components of a personal fall arrest system (PFAS)?
- What type of body wear is required in a personal fall arrest system today?
- What is the maximum arresting force a personal fall arrest system should place on a worker's body?
- Why is it important to minimize free fall distance in a fall arrest system?
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