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# Directives
1 1997 - 01/07/1997 - CPL 02-01-023 [CPL 2-1.23] - Inspection Procedures for Enforcing Subpart L, Scaffolds Used in Construction - 29 CFR 1926.450-454
2 1978 - 10/30/1978 - STD 03-10-004 [STD 3-10.4] - 29 CFR 1926.451 Scaffolding
# Federal Registers
1 2013 - 03/04/2013 - Revocation of Permanent Variances - 78: 14122-14126
2 2011 - 12/19/2011 - Proposed Revocation of Permanent Variances - 76: 78698-78701
3 2010 - 04/28/2010 - Avalotis Corp.; Grant of a Permanent Variance - 75:22424-22431
4 2006 - 03/01/2006 - Commonwealth Dynamics, Inc., Mid-Atlantic Boiler & Chimney, Inc.,\1\ and R and P Industrial Chimney Co., Inc.; Grant of a Permanent Variance - 71:10557-10565
5 1999 - 01/04/1999 - Washington State Standards; Notice of Approval. - 64:184-186
6 1974 - 03/18/1974 - Scaffolding - 39:10216-23
7 1972 - 12/02/1972 - Scaffolding - 37:25712
8 1972 - 11/23/1972 - Scaffolding - 37:24880
9 1972 - 05/04/1972 - Scaffolding - 37:9024
10 1971 - 08/17/1971 - Scaffolding - 36:15533
# Standard Interpretations
1 2011 - 05/24/2011 - Toprail height requirements for pump jack scaffolds.
2 2010 - 04/30/2010 - Whether #9 wire may be used to secure the toprails and midrails on tubular scaffolding; permissible method for setting transitional wood planks.
3 2010 - 04/12/2010 - Minimum distance required between guardrails on an industrial truck work platform.
4 2010 - 03/31/2010 - Single-point suspension scaffold safety.
5 2010 - 03/26/2010 - Use of toeboards across scaffold access points.
6 2010 - 03/26/2010 - Whether an employer is permitted to double wrap #9 gage steel wire in order to guy, tie or brace a scaffold.
7 2010 - 03/03/2010 - Whether guardrails are required on a two-point adjustable scaffold while workers who are tied off are painting the undercarriage of a water storage tank.
8 2010 - 03/02/2010 - Fully Planked and Decked Scaffold
9 2007 - 01/26/2007 - Re: Subpart L; scaffolds; Companion Rail, rail extensions for mobile scaffolds; 1926.451.
10 2006 - 09/14/2006 - Guardrail requirements for two point suspension scaffolds.
11 2006 - 04/25/2006 - Safety factor when "worst-case" force is applied to safety rail support product intended for ladder jack scaffold systems; §1926.451(a)(1)
12 2006 - 04/25/2006 - Whether 29 CFR 1926.1053(a)(18) and 1926.1053(a)(19) apply to an attachable ladder used on scaffolding.
13 2006 - 01/25/2006 - Whether OSHA standards prohibit using two power hoists wired together to a single control;whether a minimum of two persons are required to be on board a two-point suspended scaffold.
14 2005 - 06/17/2005 - Whether it is permissible to use a concrete block hanging on a coupling pin as a counterweight to prevent a scaffold from tipping.
15 2005 - 05/11/2005 - Whether there is a conflict between provisions in 1926.451 regarding the use of screening.
16 2005 - 04/08/2005 - Whether scaffold components may be loaded in excess of minimum load ratings specified in 29 CFR Part 1926 Subpart L; whether a safety factor must be added to such load ratings; Non-Mandatory Appendix A.
17 2004 - 06/21/2004 - Requirements in 1926 Subpart L "Scaffolds" regarding the use of plywood to make platform decking for scaffolds.
18 2004 - 05/27/2004 - The use of extension cord while working from scissor lift; requirement to secure or barricade a ladder.
19 2004 - 04/21/2004 - Composition, span, and deflection of underslung bridge scaffold platform systems.
20 2004 - 04/21/2004 - Evaluation of the Jax Scaffold System.
21 2004 - 01/22/2004 - Use of portable ladders on tank builder's scaffolds during scaffold dismantling process in construction.
22 2003 - 10/30/2003 - Revised response regarding the storage of materials on a scaffold for more than one shift's work.
23 2003 - 07/07/2003 - Requirements for fall protection when ladder jack scaffolds are used for residential and commercial construction.
24 2003 - 01/23/2003 - Compliance of Non-Stop base tower and extension frames with scaffold access requirements.
25 2003 - 01/13/2003 - Compliance of Master Plank scaffold planking with OSHA plank strength requirements.
26 2002 - 04/16/2002 - Planking, safety line, and personal fall arrest system requirements for tank builder's scaffolding.
27 2002 - 03/14/2002 - Non-Stop Scaffolding Inc.'s scaffold towers do not comply with OSHA's integral prefabricated scaffold access frame or ladder/stairway type access requirements.
28 2002 - 03/12/2002 - Request that OSHA adopt a requirement that all scaffold planks meet a "scaffold grade" under recognized grading rules.
29 2002 - 01/02/2002 - Clarification of requirements for construction scaffold erection/dismantling; safe means of access; blocks for two-point suspension scaffolds.
30 2001 - 12/11/2001 - Exemptions for installation of guardrails on wall (interior) side.
31 2001 - 11/27/2001 - Applicable standards to lifting personnel on a platform supported by a rough-terrain forklift.
32 2001 - 08/01/2001 - Acceptability of the Pin-Lok scaffold plank product.
33 2001 - 05/25/2001 - Acceptability of climbing over or through guardrails on scaffolds used in construction.
34 2001 - 05/10/2001 - Requirements applicable to the design, inspection, and testing of imported scaffolding.
35 2001 - 05/03/2001 - Use of aerial lifts to transport workers to elevated workstations; scissor lifts are not covered by the aerial lift provisions.
36 2001 - 01/16/2001 - Hoists for suspension scaffolds must be tested by a qualified testing laboratory.
37 2000 - 08/22/2000 - Clarification of OSHA policy regarding the use of scaffold stairs for access to a multi-story structure.
38 2000 - 08/01/2000 - Scissor lifts are not aerial lifts, are considered scaffolds.
39 2000 - 05/18/2000 - Evaluation of a single-person, manually propelled, mobile work platform.
40 2000 - 02/23/2000 - Fall protection, training, inspection and design requirements of aerial lifts and scissor lifts/scaffolds.
41 1999 - 06/14/1999 - Securing of a platform (metal decking) on a manually propelled scaffold.
42 1998 - 07/21/1998 - Aerial lift regulations; fall protection for scissor lifts.
43 1997 - 06/15/1997 - Scaffolds used in the Construction Industry.
44 1997 - 03/21/1997 - OSHA's requirement for the width of planks used on pump jack.
45 1997 - 02/24/1997 - Duties of the competent person during the erecting, dismantling and moving of scaffolds.
46 1996 - 12/17/1996 - Enforcement policy for stall loads of scaffold hoists.
47 1995 - 09/26/1995 - No scaffold shall be erected, moved, dismantled, or altered except under the supervision of competent persons.
48 1993 - 06/15/1993 - Strength of scaffold planking.
49 1991 - 12/03/1991 - Techam LVL Scaffold Plank
50 1989 - 05/16/1989 - The "Sky Genie" device.
51 1989 - 05/08/1989 - Standards for a "cable grab" device that will not allow the free end of the wire rope to exit the hoist.
52 1986 - 10/24/1986 - Standards for scaffolds do not prohibit the intermingling of scaffolding components.
53 1986 - 09/05/1986 - Applicability of 29 CFR 1926.451(a)(4).
54 1986 - 09/05/1986 - Clarification of 1926.451(c) concerning the intermingling of tube and coupler scaffold components.
55 1986 - 09/05/1986 - Testing requirements for the power units or manually operated winches of single-point adjustable suspension scaffolds.
56 1986 - 08/29/1986 - Clarification of our scaffold standards.
57 1985 - 11/13/1985 - "Rustgo Work Platform".
58 1984 - 07/24/1984 - Wire rope and/or cable as a method of perimeter protection for a building under construction.
59 1983 - 12/30/1983 - Use of an Aluminum Pole Jack Scaffold at a 50 foot shoulder working height.
60 1983 - 10/24/1983 - Mobile construction scaffolding.
61 1983 - 09/01/1983 - Fall restraint systems for employees building scaffolds in a location where the scaffold that is being built provides the only tie-off point.
62 1983 - 03/11/1983 - Clarification relative to scaffold heights under 10 feet.
63 1982 - 04/15/1982 - Use of dis-similar metals on tube and couplar scaffolds.
64 1982 - 03/22/1982 - Sky Genie Boatswain's Chair System.
65 1982 - 02/11/1982 - Use of non-flowable material for counter weights in rigging outrigger beams.
66 1981 - 06/25/1981 - Scaffolds need to be properly braced.
67 1980 - 12/31/1980 - Securing fixed scaffolding.
68 1979 - 03/09/1979 - Personnel protection required for employees working on a Multistage two-point suspension scaffold.
69 1978 - 03/22/1978 - Requirements for toeboards.
70 1977 - 06/29/1977 - Wheel locks on rolling scaffold.
71 1976 - 09/23/1976 - Accidental tipping over of a tower type scaffold.
72 1974 - 07/01/1974 - Width of Scaffold Platforms.
73 1973 - 02/23/1973 - Tank erection ladders are classified as being a portable metal ladder.
# Regulations (Standards - 29 CFR)
1 1926.451 - General requirements.

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