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// CODE SNIPPET

Subpart M App B - Guardrail Systems - Non-Mandatory Guidelines for Complying With 1926.502(B)

OSHA 1926 Construction > M Fall Protection > M App B - Guardrail Systems - Non-Mandatory Guidelines for Complying With 1926.502(B)
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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. An employer may use these guidelines as a starting point for designing guardrail systems. However, the guidelines do not provide all the information necessary to build a complete system, and the employer is still responsible for designing and assembling these components in such a way that the completed system will meet the requirements of § 1926.502(b)(3), (4), and (5). Components for which no specific guidelines are given in this Appendix (e.g., joints, base connections, components made with other materials, and components with other dimensions) must also be designed and constructed in such a way that the completed system meets the requirements of § 1926.502.
  1. For wood railings: Wood components shall be minimum 1500 lb-ft/in2 fiber (stress grade) construction grade lumber; the posts shall be at least 2-inch by 4-inch (5 cm x 10 cm) lumber spaced not more than 8 feet (2.4 m) apart on centers; the top rail shall be at least 2-inch by 4-inch (5 cm x 10 cm) lumber, the intermediate rail shall be at least 1-inch by 6-inch (2.5 cm x 15 cm) lumber. All lumber dimensions are nominal sizes as provided by the American Softwood Lumber Standards, dated January 1970.
  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.
  3. For structural steel railings: posts, top rails, and intermediate rails shall be at least 2-inch by 2-inch (5 cm x 10 cm) by 3/8-inch (1.1 cm) angles, with posts spaced not more than 8 feet (2.4 m) apart on centers.

[59 FR 40743, Aug. 9, 1994; 60 FR 5131, Jan. 26, 1995]

Related Code Sections


Subpart M Fall Protection, App B - Guardrail Systems - Non-Mandatory Guidelines for Complying With 1926.502(B)
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 ...
OSHA 1926 Construction > M Fall Protection > M App B - Guardrail Systems - Non-Mandatory Guidelines for Complying With 1926.502(B)
1926.502(b) Fall Protection, Guardrail Systems
Guardrail systems and their use shall comply with the following provisions ...
OSHA 1926 Construction > M Fall Protection > 1926.502 Fall Protection Systems Criteria and Practices > 1926.502(b) Guardrail Systems
1926.502(b)(4) Fall Protection,
When the 200 pound (890 N) test load specified in paragraph (b)(3) of this section is applied in a downward direction, the top edge of the guardrail ...
OSHA 1926 Construction > M Fall Protection > 1926.502 Fall Protection Systems Criteria and Practices > 1926.502(b) Guardrail Systems > 1926.502(b)(4)
1926.502(b)(2) Fall Protection,
of the guardrail system and the walking/working surface when there is no wall or parapet wall at least 21 inches (53 cm) high ...
OSHA 1926 Construction > M Fall Protection > 1926.502 Fall Protection Systems Criteria and Practices > 1926.502(b) Guardrail Systems > 1926.502(b)(2)
1926.502(b)(1) Fall Protection,
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 ...
OSHA 1926 Construction > M Fall Protection > 1926.502 Fall Protection Systems Criteria and Practices > 1926.502(b) Guardrail Systems > 1926.502(b)(1)
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