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Guardrail systems. Guardrail systems and their use shall comply with the following provisions: 1926.502 (b) (1) Top edge height of top rails, or equivalent guardrail system members, shall be 42 inches (1.1 m) plus or minus 3 inches (8 cm) above the walking/working level.
The standard requires guardrail systems and components to be designed and built to meet the requirements of § 1926.502 (b) (3), (4), and (5). This appendix serves as a non-mandatory guideline to assist employers in complying with these requirements.
Guardrail systems. The employer must ensure guardrail systems meet the following requirements: 1910.29 (b) (1) The top edge height of top rails, or equivalent guardrail system members, are 42 inches (107 cm), plus or minus 3 inches (8 cm), above the walking-working surface.
(2) For pipe railings: posts, top rails, and intermediate railings shall be at least one and one-half inches nominal diameter (schedule 40 pipe) with posts spaced not more than 8 feet (2.4 m) apart on centers.
Guardrail systems and their use shall comply with the following provisions: (1) Top edge height of top rails, or equivalent guardrail system members, shall be 42 inches (1.1 m) plus or minus 3 inches (8 cm) above the walking/working level.
11 kwi 2024 · This article aims to simplify and summarize the key points of OSHA 1926.502(b), which addresses the requirements set forth by OSHA for proper Guardrail Systems. We provide actionable insights for construction professionals to utilize on their next guardrail project.
Based upon the aforementioned results, it is possible to construct a job-built OSHA compliant guardrail, as evaluated with the described OSHA 200-lb drop test. The job-built guardrails can be safely constructed using construction-grade 2″×4″ lumber and appropriately sized nails or screws.
