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# Standard Interpretations
1 2013 - 01/31/2013 - Fixed ladders inside wind turbine towers
2 2007 - 11/08/2007 - Clarification on OSHA's enforcement policy for fixed ladders.
3 2006 - 04/19/2006 - Landing platform requirement for fixed ladder with continuous climb of 62 feet.
4 2006 - 02/10/2006 - The use of ship's stairs instead of fixed stairs in general industry.
5 2006 - 02/10/2006 - Use of cages, wells, and personal fall protection systems to protect against falls from fixed ladders.
6 2005 - 08/08/2005 - Requirements for step-through fixed ladder side rails that might be used as climbing aid.
7 2004 - 10/05/2004 - Ladder safety requirements for towers more than 20 feet in length: sliding fall protection devices, safety cages/wells, landing platform intervals.
8 2004 - 05/27/2004 - Fixed ladders must be retrofitted to meet 1910.27 design requirements; maximum horizontal spacing requirements for extensions.
9 2003 - 12/10/2003 - Fixed industrial stair requirements for access to secondary containment structures surrounding bulk chemical storage tanks.
10 2003 - 07/02/2003 - Maximum intervals for providing fixed-ladder landing platforms used in General Industry.
11 2003 - 06/24/2003 - Enforcement of manhole step specification requirements during rulemaking proceedings.
12 2003 - 05/05/2003 - Standards applicable to step bolts and manhole steps; load requirements for step bolts.
13 1999 - 06/02/1999 - Fixed ladder requirements for ski lift towers.
14 1998 - 07/23/1998 - Landing platforms for fixed ladders.
15 1997 - 08/07/1997 - OSHA's requirements for enclosed hardware used in 'third rail' ladder safety devices for towers.
16 1997 - 06/25/1997 - OSHA's Fixed Ladders and Safety Cages standard.
17 1997 - 04/02/1997 - OSHA standard for rung spacing on fixed industrial ladders and PPE in powered industrial vehicle battery changing.
18 1996 - 11/14/1996 - Railroad tankcars off-loading points at an industrial facility.
19 1996 - 04/22/1996 - Conveyor Crossover Stile.
20 1996 - 02/26/1996 - Clarification of Section 1910.268 Telecommunications.
21 1995 - 03/07/1995 - Safety concerns at Montana ski areas and OSHA standards for fixed ladders.
22 1993 - 03/26/1993 - Platforms and ladders on communication towers.
23 1992 - 08/03/1992 - Specialty Ladders Used in Manholes
24 1991 - 12/02/1991 - Requirements for clearances behind permanently installed vertical ladders in elevator pits.
25 1991 - 04/04/1991 - Separate line for a full body harness
26 1986 - 05/13/1986 - The acceptability of manhole entries through concentric cone or eccentric cone concrete pipe transition sections to underground workplaces.
27 1983 - 07/25/1983 - Instruction and warning labels for ladders.
28 1983 - 04/25/1983 - Building and selling a fixed ladder with cage, using a hinged rest platform and advertising the product with the notation that it "complies with OSHA requirements."
29 1981 - 12/02/1981 - Clarification of a fixed ladder requirement.
30 1981 - 03/05/1981 - Fixed ladder requirements.
31 1981 - 02/20/1981 - OSHA requirements on fixed ladders relating to communication towers.
32 1980 - 12/02/1980 - Requirements for manhole steps.
33 1980 - 01/04/1980 - OSHA standards on fixed ladders and landing platforms to be used in underground chambers for pumping stations.
34 1979 - 01/10/1979 - Clarification of OSHA guidance concerning the uniform spacing of steps or rungs in sanitary and storm sewer manholes.
35 1978 - 12/04/1978 - Information on fixed ladders and cages.
36 1978 - 09/08/1978 - OSHA concurrence on the use of 3/4" square bars for rungs on fixed ladders.
37 1978 - 05/17/1978 - Fixed Ladder Used For Emergency Egress Only.
38 1978 - 05/03/1978 - Cages installed on fixed ladders.
39 1977 - 06/23/1977 - Structural steel angles for cleats on fixed ladders.
40 1977 - 04/15/1977 - Climbing structural members is a recognized hazard and prohibited.
41 1976 - 10/19/1976 - Enforcement of 1910.27 Fixed Ladders.

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