Standard Interpretations
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OSHA requirements are set by statute, standards, and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. Each letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information.
- 1910.27 - Fixed ladders inside wind turbine towers - 01/31/2013
- 1910.27 - Interpretation on standards for use of cranes during high wind conditions. - 03/26/1985
- 1910.27 - RDS Anchorage Testing Certification - 01/25/2019
- 1910.27(b) - Rope descent systems as it may apply to Industrial Rope Access Systems, covered under, 1910.27(b) - 05/21/2020
- 1910.27(b)(1) - Enforcement Guidance for General Industry Rope Descent System (RDS) Anchorage Requirements (29 CFR 1910.27(b)(1)) - 11/20/2017
- 1910.27(b)(1) - Fall protection requirements when a rope descent system is used with davit booms - 11/10/2020
- 1910.27(b)(1)(i) - Enforcement Guidance for General Industry Rope Descent System (RDS) Anchorage Requirements (29 CFR 1910.27(b)(1)) - 11/20/2017
- 1910.27(b)(1)(ii) - Enforcement Guidance for General Industry Rope Descent System (RDS) Anchorage Requirements (29 CFR 1910.27(b)(1)) - 11/20/2017
- 1910.27(b)(1)(iii) - Enforcement Guidance for General Industry Rope Descent System (RDS) Anchorage Requirements (29 CFR 1910.27(b)(1)) - 11/20/2017
- 1910.27(b)(2)(i) - NATE Response FINAL - 08/18/2017
- 1910.27(b)(2)(iv) - Enforcement Guidance for General Industry Rope Descent System (RDS) Anchorage Requirements (29 CFR 1910.27(b)(1)) - 11/20/2017