An toànCâu 1270 / 1605
Scaffold platforms must be fully planked or decked, and generally the gap between planks or between the platform and uprights must not exceed:
a.1 inch (with limited exceptions up to 9.5 inches near uprights)
b.3 inches
c.6 inches
d.2 inches
Giải thích
1926.451(b)(1) requires platforms to be fully planked; the space between the platform and uprights must be no more than 1 inch, except where a wider space (up to 9.5 inches) is necessary to fit around uprights.
Trích dẫn luật: 29 CFR 1926.451(b)(1)Luyện miễn phí toàn bộ 1605 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Each scaffold and scaffold component must be capable of supporting, without failure, its own weight and at least how many times the maximum intended load?
- At what height above a lower level does fall protection become required for employees on a supported scaffold?
- Who must inspect a scaffold before each work shift and after any occurrence that could affect its structural integrity?
- When a scaffold platform is more than 2 feet above or below a point of access, what must be provided?
- Supported scaffold poles, legs, or uprights must be plumb and braced, and generally must rest on:
- When a portable ladder is used to access an upper landing surface, the side rails must extend at least how far above the landing?
Cập nhật gần nhất: · quy trình kiểm tra
Sen Lin, Người sáng lập PrepPass · Đối chiếu với California CSLB Contractor License Law & Business Exam · Quy trình kiểm tra
Người kiểm duyệt Abraham Chen — Licensed California General Contractor (CSLB License #1101856 — kiểm tra)