# Standard Interpretations
1 - 1926.451 - Toprail height requirements for pump jack scaffolds.
2 - 1926.451 - Whether #9 wire may be used to secure the toprails and midrails on tubular scaffolding; permissible method for setting transitional wood planks.
3 - 1926.451 - Minimum distance required between guardrails on an industrial truck work platform.
4 - 1926.451 - Single-point suspension scaffold safety.
5 - 1926.451 - Use of toeboards across scaffold access points.
6 - 1926.451 - Whether an employer is permitted to double wrap #9 gage steel wire in order to guy, tie or brace a scaffold.
7 - 1926.451 - 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 - 1926.451 - Fully Planked and Decked Scaffold
9 - 1926.451 - Re: Application of OSHA's de minimis policy to the requirements of 29 CFR 1926.452(o)(3) and 29 CFR 1926.552(c)(1) - 1926.552(c)(4), 1926.552(c)(8), 1926.552(c)(13), 1926.552(c)(14)(i), and 1926.552(c)(16) regarding certain chimney construction work.
10 - 1926.451 - Re: Subpart L; scaffolds; Companion Rail, rail extensions for mobile scaffolds; 1926.451.
11 - 1926.451 - Guardrail requirements for two point suspension scaffolds.
12 - 1926.451 - Safety factor when "worst-case" force is applied to safety rail support product intended for ladder jack scaffold systems; §1926.451(a)(1)
13 - 1926.451 - Whether 29 CFR 1926.1053(a)(18) and 1926.1053(a)(19) apply to an attachable ladder used on scaffolding.
14 - 1926.451 - 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.
15 - 1926.451 - Whether it is permissible to use a concrete block hanging on a coupling pin as a counterweight to prevent a scaffold from tipping.
16 - 1926.451 - Whether there is a conflict between provisions in 1926.451 regarding the use of screening.
17 - 1926.451 - 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.
18 - 1926.451 - Requirements in 1926 Subpart L "Scaffolds" regarding the use of plywood to make platform decking for scaffolds.
19 - 1926.451 - The use of extension cord while working from scissor lift; requirement to secure or barricade a ladder.
20 - 1926.451 - Composition, span, and deflection of underslung bridge scaffold platform systems.
21 - 1926.451 - Evaluation of the Jax Scaffold System.
22 - 1926.451 - Use of portable ladders on tank builder's scaffolds during scaffold dismantling process in construction.
23 - 1926.451 - Revised response regarding the storage of materials on a scaffold for more than one shift's work.
24 - 1926.451 - Requirements for fall protection when ladder jack scaffolds are used for residential and commercial construction.
25 - 1926.451 - Storage of materials that prevents inspection of scaffolds before workshifts; incidental storage amounts that do not inhibit scaffold inspection.
26 - 1926.451 - Compliance of Non-Stop base tower and extension frames with scaffold access requirements.
27 - 1926.451 - Compliance of Master Plank scaffold planking with OSHA plank strength requirements.
28 - 1926.451 - Planking, safety line, and personal fall arrest system requirements for tank builder's scaffolding.
29 - 1926.451 - Non-Stop Scaffolding Inc.'s scaffold towers do not comply with OSHA's integral prefabricated scaffold access frame or ladder/stairway type access requirements.
30 - 1926.451 - Request that OSHA adopt a requirement that all scaffold planks meet a "scaffold grade" under recognized grading rules.
31 - 1926.451 - Clarification of requirements for construction scaffold erection/dismantling; safe means of access; blocks for two-point suspension scaffolds.
32 - 1926.451 - Exemptions for installation of guardrails on wall (interior) side.
33 - 1926.451 - Applicable standards to lifting personnel on a platform supported by a rough-terrain forklift.
34 - 1926.451 - Acceptability of the Pin-Lok scaffold plank product.
35 - 1926.451 - Acceptability of climbing over or through guardrails on scaffolds used in construction.
36 - 1926.451 - Requirements applicable to the design, inspection, and testing of imported scaffolding.
37 - 1926.451 - Use of aerial lifts to transport workers to elevated workstations; scissor lifts are not covered by the aerial lift provisions.
38 - 1926.451 - Hoists for suspension scaffolds must be tested by a qualified testing laboratory.
39 - 1926.451 - Clarification of OSHA policy regarding the use of scaffold stairs for access to a multi-story structure.
40 - 1926.451 - Scissor lifts are not aerial lifts, are considered scaffolds.
41 - 1926.451 - Evaluation of a single-person, manually propelled, mobile work platform.
42 - 1926.451 - Fall protection, training, inspection and design requirements of aerial lifts and scissor lifts/scaffolds.
43 - 1926.451 - Securing of a platform (metal decking) on a manually propelled scaffold.
44 - 1926.451 - Aerial lift regulations; fall protection for scissor lifts.
45 - 1926.451 - Daily inspection of scaffolds.
46 - 1926.451 - Scaffolds used in the Construction Industry.
47 - 1926.451 - OSHA's requirement for the width of planks used on pump jack.
48 - 1926.451 - Duties of the competent person during the erecting, dismantling and moving of scaffolds.
49 - 1926.451 - Equivalent safe access.
50 - 1926.451 - Enforcement policy for stall loads of scaffold hoists.
51 - 1926.451 - No scaffold shall be erected, moved, dismantled, or altered except under the supervision of competent persons.
52 - 1926.451 - Fall Protection for Steep Roofs and During the Performance of Built-Up Roofing Work.
53 - 1926.451 - Girder Lock Overhang Form System.
54 - 1926.451 - Strength of scaffold planking.
55 - 1926.451 - Work platforms on rough terrain fork trucks.
56 - 1926.451 - Use of Cranes to Lift Personnel in Drilled Pier Operations
57 - 1926.451 - Techam LVL Scaffold Plank
58 - 1926.451 - Personnel platform attached directly to a boom.
59 - 1926.451 - The "Sky Genie" device.
60 - 1926.451 - Standards for a "cable grab" device that will not allow the free end of the wire rope to exit the hoist.
61 - 1926.451 - Request for Guidance Relative to Guardrail Requirements for Ladder Jack Scaffolds used on Construction sites.
62 - 1926.451 - Standards for scaffolds do not prohibit the intermingling of scaffolding components.
63 - 1926.451 - Applicability of 29 CFR 1926.451(a)(4).
64 - 1926.451 - Clarification of 1926.451(c) concerning the intermingling of tube and coupler scaffold components.
65 - 1926.451 - Testing requirements for the power units or manually operated winches of single-point adjustable suspension scaffolds.
66 - 1926.451 - Clarification of our scaffold standards.
67 - 1926.451 - "Rustgo Work Platform".
68 - 1926.451 - Requirements for scaffold plank.
69 - 1926.451 - Wire rope and/or cable as a method of perimeter protection for a building under construction.
70 - 1926.451 - Use of an Aluminum Pole Jack Scaffold at a 50 foot shoulder working height.
71 - 1926.451 - Mobile construction scaffolding.
72 - 1926.451 - Fall restraint systems for employees building scaffolds in a location where the scaffold that is being built provides the only tie-off point.
73 - 1926.451 - Clarification relative to scaffold heights under 10 feet.
74 - 1926.451 - Use of dis-similar metals on tube and couplar scaffolds.
75 - 1926.451 - Sky Genie Boatswain's Chair System.
76 - 1926.451 - Use of non-flowable material for counter weights in rigging outrigger beams.
77 - 1926.451 - Scaffolds need to be properly braced.
78 - 1926.451 - Securing fixed scaffolding.
79 - 1926.451 - Personnel protection required for employees working on a Multistage two-point suspension scaffold.
80 - 1926.451 - Requirements for toeboards.
81 - 1926.451 - Wheel locks on rolling scaffold.
82 - 1926.451 - Accidental tipping over of a tower type scaffold.
83 - 1926.451 - Width of Scaffold Platforms.
84 - 1926.451 - Tank erection ladders are classified as being a portable metal ladder.