# Standard Interpretations
1 - 1926.451(a)(3) - Allowable load rating of the suspension wire ropes with wire clip terminations
2 - 1926.451(a)(1) - Weight of the scaffold in determining whether the 4 to 1 factor is satisfied in construction and general industry standards
3 - 1926.451(a)(1) - Whether an employer is permitted to double wrap #9 gage steel wire in order to guy, tie or brace a scaffold.
4 - 1926.451(a)(1) - Whether catch platforms (used to catch an employee in the event of a fall from a working surface above) must comply with OSHA's scaffold standard, Subpart L.
5 - 1926.451(a) - Re: Subpart L; scaffolds; Companion Rail, rail extensions for mobile scaffolds; 1926.451.
6 - 1926.451(a)(6) - Whether plywood may be used as scaffold decking material over wood scaffold planks; 29 CFR 1926.450 and 1926.451.
7 - 1926.451(a)(1) - Whether plywood may be used as scaffold decking material over wood scaffold planks; 29 CFR 1926.450 and 1926.451.
8 - 1926.451(a), 1926.451(a)(1), 1926.451(a)(6) - Whether plywood may be used as scaffold decking material over wood scaffold planks; 29 CFR 1926.450 and 1926.451.
9 - 1926.451(a)(1) - Safety factor when "worst-case" force is applied to safety rail support product intended for ladder jack scaffold systems; §1926.451(a)(1)
10 - 1926.451(a)(12) - Whether it is permissible to use a concrete block hanging on a coupling pin as a counterweight to prevent a scaffold from tipping.
11 - 1926.451(a)(1) - Whether it is permissible to use a concrete block hanging on a coupling pin as a counterweight to prevent a scaffold from tipping.
12 - 1926.451(a), 1926.451(a)(1), 1926.451(a)(12) - Whether it is permissible to use a concrete block hanging on a coupling pin as a counterweight to prevent a scaffold from tipping.
13 - 1926.451(a) - Whether there is a conflict between provisions in 1926.451 regarding the use of screening.
14 - 1926.451(a)(6) - Whether a safety factor must be incorporated into the design of footings for supported scaffolds.
15 - 1926.451(a)(6) - Use of 2"x6" No 2 pine boards as a scaffold platform; application of 1926.451(a) and 1926.451(f)(16) when erecting and dismantling scaffolds.
16 - 1926.451(a), 1926.451(a)(6) - Use of 2"x6" No 2 pine boards as a scaffold platform; application of 1926.451(a) and 1926.451(f)(16) when erecting and dismantling scaffolds.
17 - 1926.451(a)(6) - 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(a)(1) - 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.
19 - 1926.451(a)(5) - Tie-in requirements for supported scaffolds; errors in Non-Mandatory Appendix E.
20 - 1926.451(a)(4) - Tie-in requirements for supported scaffolds; errors in Non-Mandatory Appendix E.
21 - 1926.451(a)(3) - Tie-in requirements for supported scaffolds; errors in Non-Mandatory Appendix E.
22 - 1926.451(a)(2) - Tie-in requirements for supported scaffolds; errors in Non-Mandatory Appendix E.
23 - 1926.451(a)(1) - Tie-in requirements for supported scaffolds; errors in Non-Mandatory Appendix E.
24 - 1926.451(a)(6) - Application of OSHA construction standards that govern the loading of materials onto scissor lifts and the restraining of those stored materials.
25 - 1926.451(a)(6) - Application of OSHA construction standards that govern the loading of materials onto scissor lifts and the restraining of those stored materials.
26 - 1926.451(a)(6) - Requirements in 1926 Subpart L "Scaffolds" regarding the use of plywood to make platform decking for scaffolds.
27 - 1926.451(a)(1) - Requirements in 1926 Subpart L "Scaffolds" regarding the use of plywood to make platform decking for scaffolds.
28 - 1926.451(a) - Evaluation of the Jax Scaffold System.
29 - 1926.451(a) - Wire rope clips on suspension scaffolds; safety latches on large crane hooks; order of assembly for hanging scaffolds; and horizontal lifeline design.
30 - 1926.451(a) - Revised response regarding the storage of materials on a scaffold for more than one shift's work
31 - 1926.451(a)(6) - Fall protection requirements during installation and removal or tarps and sheeting on/from scaffolds; qualifications of person determining safety on scaffold with wind imposed forces.
32 - 1926.451(a)(6) - Compliance of Master Plank scaffold planking with OSHA plank strength requirements.
33 - 1926.451(a)(1) - Compliance of Master Plank scaffold planking with OSHA plank strength requirements.
34 - 1926.451(a), 1926.451(a)(1), 1926.451(a)(6) - Compliance of Master Plank scaffold planking with OSHA plank strength requirements.
35 - 1926.451(a)(6) - Use of aerial lift or scissor lift guardrails as a work or scaffold platform.
36 - 1926.451(a)(1) - Use of aerial lift or scissor lift guardrails as a work or scaffold platform.
37 - 1926.451(a)(3) - Clarification of 1926.451(a)(6) requirements for scaffolds and bridge-painting projects.
38 - 1926.451(a)(1) - Clarification of 1926.451(a)(6) requirements for scaffolds and bridge-painting projects.
39 - 1926.451(a)(6) - Clarification of 1926.451(a)(6) requirements for scaffolds and bridge-painting projects.
40 - 1926.451(a)(1) - Use of mobile scaffolds with casters in the unlocked position; moving the mobile scaffold without dismounting.
41 - 1926.451(a)(6) - Request that OSHA adopt a requirement that all scaffold planks meet a "scaffold grade" under recognized grading rules.
42 - 1926.451(a)(1) - Request that OSHA adopt a requirement that all scaffold planks meet a "scaffold grade" under recognized grading rules.
43 - 1926.451(a)(1), 1926.451(a)(6), 1926.451(a) - Request that OSHA adopt a requirement that all scaffold planks meet a "scaffold grade" under recognized grading rules.
44 - 1926.451(a)(4) - Clarification of requirements for construction scaffold erection/dismantling; safe means of access; blocks for two-point suspension scaffolds.
45 - 1926.451(a)(3) - Clarification of requirements for construction scaffold erection/dismantling; safe means of access; blocks for two-point suspension scaffolds.
46 - 1926.451(a)(6) - Applicable standards to lifting personnel on a platform supported by a rough-terrain forklift.
47 - 1926.451(a)(1) - Applicable standards to lifting personnel on a platform supported by a rough-terrain forklift.
48 - 1926.451(a)(6) - Tie, guy, and bracing requirements for scaffold systems.
49 - 1926.451(a)(1) - Tie, guy, and bracing requirements for scaffold systems.
50 - 1926.451(a) - GFCI and coverplate requirements in construction;use of fall arrest systems and scaffolding.
51 - 1926.451(a) - Scaffolds may serve as fall arrest anchorages.
52 - 1926.451(a)(1) - Scaffolds: removal of bracing; maximum loads; damaged planking; and foundations.
53 - 1926.451(a) - New Fall Protection standards and standards for scaffolds used during dry wall work
54 - 1926.451(a)(5) - Allowable tolerance for the height of guardrails
55 - 1926.451(a)(4) - Application for permanent variance from 1926.451(a)(4) and 1926.451(b)(11)
56 - 1926.451(a)(1) - Two different design requirements for handrail and scaffolding.
57 - 1926.451(a)(2) - Use of roof top rolling outriggers used for swinging scaffolds.