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Standard Interpretations are letters or memos written in response to public inquiries or field office inquiries regarding how some aspect of or terminology in an OSHA standard or regulation is to be interpreted and enforced by the Agency. These letters provide guidance to clarify the application of an established OSHA standard, policy, or procedure, but they may not, in themselves, establish or revise OSHA policy or procedure or interpret the OSH Act. They must specifically cite the source policy or procedure document they interpret.
- 1910.27 - Cages installed on fixed ladders. - 05/03/1978
- 1910.27 - Clarification of a fixed ladder requirement. - 12/02/1981
- 1910.27 - Clarification of Section 1910.268 Telecommunications. - 02/26/1996
- 1910.27 - Clarification on OSHA's enforcement policy for fixed ladders. - 11/08/2007
- 1910.27 - Climbing structural members is a recognized hazard and prohibited. - 04/15/1977
- 1910.27 - Conveyor Crossover Stile. - 04/22/1996
- 1910.27 - Enforcement of 1910.27 Fixed Ladders. - 10/19/1976
- 1910.27 - Enforcement of manhole step specification requirements during rulemaking proceedings. - 06/24/2003
- 1910.27 - Fixed ladder requirements for ski lift towers. - 06/02/1999
- 1910.27 - Fixed ladder requirements. - 03/05/1981
- 1910.27 - Fixed Ladder Used For Emergency Egress Only. - 05/17/1978
- 1910.27 - Fixed ladders inside wind turbine towers - 01/31/2013
- 1910.27 - Guarding of Access Openings to Fixed Ladders. - 09/29/2009
- 1910.27 - Information on fixed ladders and cages. - 12/04/1978
- 1910.27 - Instruction and warning labels for ladders. - 07/25/1983
- 1910.27 - Landing platform requirement for fixed ladder with continuous climb of 62 feet. - 04/19/2006
- 1910.27 - Landing platforms for fixed ladders. - 07/23/1998
- 1910.27 - Maximum intervals for providing fixed-ladder landing platforms used in General Industry. - 07/02/2003
- 1910.27 - OSHA concurrence on the use of 3/4" square bars for rungs on fixed ladders. - 09/08/1978
- 1910.27 - OSHA requirements on fixed ladders relating to communication towers. - 02/20/1981
- 1910.27 - OSHA's Fixed Ladders and Safety Cages standard. - 06/25/1997
- 1910.27 - Platforms and ladders on communication towers. - 03/26/1993
- 1910.27 - Railroad tankcars off-loading points at an industrial facility. - 11/14/1996
- 1910.27 - RDS Anchorage Testing Certification - 01/25/2019
- 1910.27 - Requirements for clearances behind permanently installed vertical ladders in elevator pits. - 12/02/1991
- 1910.27 - Requirements for manhole steps. - 12/02/1980
- 1910.27 - Requirements for step-through fixed ladder side rails that might be used as climbing aid. - 08/08/2005
- 1910.27 - Safety concerns at Montana ski areas and OSHA standards for fixed ladders. - 03/07/1995
- 1910.27 - Separate line for a full body harness - 04/04/1991
- 1910.27 - Specialty Ladders Used in Manholes - 08/03/1992
- 1910.27 - Standards applicable to step bolts and manhole steps; load requirements for step bolts. - 05/05/2003
- 1910.27 - Structural steel angles for cleats on fixed ladders. - 06/23/1977
- 1910.27 - The use of ship's stairs instead of fixed stairs in general industry. - 02/10/2006
- 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 working from ladders in the telecommunications industry. - 05/23/2005
- 1910.27(b)(1) - Round rungs on ladders - 04/18/2014
- 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)(i) - Fixed ladder surface finish requirements - 06/30/2014
- 1910.27(b)(1)(i) - OSHA concurrence on the use of 3/4" square bars for rungs on fixed ladders. - 09/08/1978
- 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)(ii) - Rung spacing for fixed ladders. - 02/21/1982
- 1910.27(b)(1)(ii) - Rung spacing for fixed ladders. - 11/27/1981
- 1910.27(b)(1)(ii) - Rung spacing for fixed ladders. - 03/20/1975
- 1910.27(b)(1)(iii) - De minimis notices for ladders with rung lengths that do not comply with the Fixed Ladders standard. - 07/28/1975
- 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)(1)(iii) - Fixed ladder surface finish requirements - 06/30/2014
- 1910.27(b)(1)(iii) - Rung spacing for fixed ladders. - 11/27/1981
- 1910.27(b)(2) - Requirements for step-through fixed ladder side rails that might be used as climbing aid. - 08/08/2005
- 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