# Standard Interpretations
1 - 1926.451(g) - Suspended scaffold and fall protection requirements applicable to elevator construction
2 - 1926.451(g)(4)(i) - Regarding guardrail systems and fall protection requirements to scaffold systems, including form scaffolds.
3 - 1926.451(g)(4) - Toprail height requirements for pump jack scaffolds.
4 - 1926.451(g)(4) - Whether #9 wire may be used to secure the toprails and midrails on tubular scaffolding; permissible method for setting transitional wood planks.
5 - 1926.451(g)(4)(vi) - Minimum distance required between guardrails on an industrial truck work platform.
6 - 1926.451(g)(1)(vii) - Minimum distance required between guardrails on an industrial truck work platform.
7 - 1926.451(g)(3)(iii) - Single-point suspension scaffold safety.
8 - 1926.451(g)(1) - Single-point suspension scaffold safety.
9 - 1926.451(g)(1)(ii) - 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.
10 - 1926.451(g)(4)(i) - Re: Subpart L; scaffolds; Companion Rail, rail extensions for mobile scaffolds; 1926.451.
11 - 1926.451(g)(1) - Re: Subpart L; scaffolds; Companion Rail, rail extensions for mobile scaffolds; 1926.451.
12 - 1926.451(g)(4)(i) - Guardrail requirements for two point suspension scaffolds.
13 - 1926.451(g)(1)(vi) - Guardrail requirements for two point suspension scaffolds.
14 - 1926.451(g)(1)(ii) - Guardrail requirements for two point suspension scaffolds.
15 - 1926.451(g)(4) - Fall protection requirements for workers on guardrail-equipped platforms.
16 - 1926.451(g)(1) - Fall protection requirements for workers on guardrail-equipped platforms.
17 - 1926.451(g)(1)(v) - Walkways within scaffolds, guardrails, and planking.
18 - 1926.451(g)(1) - Applicability of scaffold fall protection to guardrails near ladder access areas on scaffolds; toeboards across ladder access areas.
19 - 1926.451(g), 1926.451(g)(1) - Applicability of scaffold fall protection to guardrails near ladder access areas on scaffolds; toeboards across ladder access areas.
20 - 1926.451(g)(4)(viii) - Whether there is a conflict between provisions in 1926.451 regarding the use of screening.
21 - 1926.451(g)(4)(vii) - Whether there is a conflict between provisions in 1926.451 regarding the use of screening.
22 - 1926.451(g)(4)(v) - Whether there is a conflict between provisions in 1926.451 regarding the use of screening.
23 - 1926.451(g)(4)(ix) - Whether there is a conflict between provisions in 1926.451 regarding the use of screening.
24 - 1926.451(g)(4) - Whether there is a conflict between provisions in 1926.451 regarding the use of screening.
25 - 1926.451(g)(2)(iii) - Whether there is a conflict between provisions in 1926.451 regarding the use of screening.
26 - 1926.451(g)(2) - Whether there is a conflict between provisions in 1926.451 regarding the use of screening.
27 - 1926.451(g)(1) - Whether there is a conflict between provisions in 1926.451 regarding the use of screening.
28 - 1926.451(g), 1926.451(g)(1), 1926.451(g)(2), 1926.451(g)(2)(iii), 1926.451(g)(4), 1926.451(g)(4)(ix), 1926.451(g)(4)(v), 1926.451(g)(4)(vii), 1926.451(g)(4)(viii) - Whether there is a conflict between provisions in 1926.451 regarding the use of screening.
29 - 1926.451(g)(2) - Scaffolding/shoring
30 - 1926.451(g)(4)(ix) - 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.
31 - 1926.451(g)(4)(vii) - 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.
32 - 1926.451(g)(4) - 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.
33 - 1926.451(g) - Tie-in requirements for supported scaffolds; errors in Non-Mandatory Appendix E.
34 - 1926.451(g)(1)(ii) - Fall protection requirements for workers constructing a water tower while on a scaffold.
35 - 1926.451(g)(1)(vii) - Fall protection requirements for workers constructing a water tower while on a scaffold.
36 - 1926.451(g)(1) - Fall protection requirements for workers constructing a water tower while on a scaffold.
37 - 1926.451(g)(4)(ix) - Fall protection requirements for workers constructing a water tower while on a scaffold.
38 - 1926.451(g)(4)(viii) - Fall protection requirements for workers constructing a water tower while on a scaffold.
39 - 1926.451(g)(4)(vii) - Fall protection requirements for workers constructing a water tower while on a scaffold.
40 - 1926.451(g)(4)(i) - Fall protection requirements for workers constructing a water tower while on a scaffold.
41 - 1926.451(g)(4) - Fall protection requirements for workers constructing a water tower while on a scaffold.
42 - 1926.451(g)(1)(vi) - Fall protection requirements for workers constructing a water tower while on a scaffold.
43 - 1926.451(g)(1)(v) - Fall protection requirements for workers constructing a water tower while on a scaffold.
44 - 1926.451(g)(1)(iv) - Fall protection requirements for workers constructing a water tower while on a scaffold.
45 - 1926.451(g)(1)(iii) - Fall protection requirements for workers constructing a water tower while on a scaffold.
46 - 1926.451(g), 1926.451(g)(1), 1926.451(g)(1)(vii), 1926.451(g)(1)(ii), 1926.451(g)(1)(iii), 1926.451(g)(1)(iv), 1926.451(g)(1)(v), 1926.451(g)(1)(vi), 1926.451(g)(4), 1926.451(g)(4)(i), 1926.451(g)(4)(vii), 1926.451(g)(4)(viii), 1926.451(g)(4)(ix) - Fall protection requirements for workers constructing a water tower while on a scaffold.
47 - 1926.451(g)(1) - Fall protection requirements for employees working from a slide-out extension of a scissor lift platform.
48 - 1926.451(g), 1926.451(g)(1) - Fall protection requirements for employees working from a slide-out extension of a scissor lift platform.
49 - 1926.451(g)(4)(vii) - Evaluation of the Jax Scaffold System.
50 - 1926.451(g)(4) - Fall protection requirements for pump jack scaffold railings.
51 - 1926.451(g)(2) - Fall protection requirements for pump jack scaffold railings.
52 - 1926.451(g)(1) - Fall protection requirements for pump jack scaffold railings.
53 - 1926.451(g), 1926.451(g)(1), 1926.451(g)(2), 1926.451(g)(4) - Fall protection requirements for pump jack scaffold railings.
54 - 1926.451(g)(1) - Fall protection requirements for work docks/bridges used during bridge construction.
55 - 1926.451(g)(2) - Use of portable ladders on tank builder's scaffolds during scaffold dismantling process in construction.
56 - 1926.451(g), 1926.451(g)(2) - Use of portable ladders on tank builder's scaffolds during scaffold dismantling process in construction.
57 - 1926.451(g)(1) - 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.
58 - 1926.451(g)(2) - 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.
59 - 1926.451(g)(1)(i) - Requirements for fall protection when ladder jack scaffolds are used for residential and commercial construction
60 - 1926.451(g)(1) - Requirements for fall protection when ladder jack scaffolds are used for residential and commercial construction
61 - 1926.451(g)(4)(ii) - Fall protection requirements for employees working from a "work bridge" in concrete construction work
62 - 1926.451(g), 1926.451(g)(4)(ii) - Fall protection requirements for employees working from a "work bridge" in concrete construction work
63 - 1926.451(g)(1) - Use of aerial lift or scissor lift guardrails as a work or scaffold platform.
64 - 1926.451(g)(1)(vii) - Clarification of 1926.451(a)(6) requirements for scaffolds and bridge-painting projects.
65 - 1926.451(g)(1)(vi) - Clarification of 1926.451(a)(6) requirements for scaffolds and bridge-painting projects.
66 - 1926.451(g)(1)(v) - Clarification of 1926.451(a)(6) requirements for scaffolds and bridge-painting projects.
67 - 1926.451(g)(1)(iv) - Clarification of 1926.451(a)(6) requirements for scaffolds and bridge-painting projects.
68 - 1926.451(g)(1)(iii) - Clarification of 1926.451(a)(6) requirements for scaffolds and bridge-painting projects.
69 - 1926.451(g)(1)(ii) - Clarification of 1926.451(a)(6) requirements for scaffolds and bridge-painting projects.
70 - 1926.451(g)(1)(i) - Clarification of 1926.451(a)(6) requirements for scaffolds and bridge-painting projects.
71 - 1926.451(g)(1) - Clarification of requirements for construction scaffold erection/dismantling; safe means of access; blocks for two-point suspension scaffolds.
72 - 1926.451(g)(2) - Exemptions for installation of guardrails on wall (interior) side.
73 - 1926.451(g)(1)(iv) - Exemptions for installation of guardrails on wall (interior) side.
74 - 1926.451(g)(4)(i) - Exemptions for installation of guardrails on wall (interior) side.
75 - 1926.451(g), 1926.451(g)(4)(i), 1926.451(g)(1)(iv), 1926.451(g)(2) - Exemptions for installation of guardrails on wall (interior) side.
76 - 1926.451(g) - Requirements of Interim Fall Protection Compliance Guidelines for Residential Construction for guardrails and fall protection during roofing work.
77 - 1926.451(g) - Employees engaged in formwork over 6 feet high must have fall protection.
78 - 1926.451(g)(4) - Fall protection for various lift-devices; restraint, positioning, fall arrest and rescue requirements; maintenance vs. construction examples.
79 - 1926.451(g)(1)(vii) - Fall protection for various lift-devices; restraint, positioning, fall arrest and rescue requirements; maintenance vs. construction examples.
80 - 1926.451(g) - Requirements for scaffold toprails and midrails;moving mobile scaffolds; outrigger frames.
81 - 1926.451(g)(4)(ii) - Meaning of January 1, 2000 "placed in service" date for scaffolds.
82 - 1926.451(g)(4)(ii) - Scaffolds placed in service after January 1,2000 must meet new rail height requirements.
83 - 1926.451(g)(1)(vii) - Fall protection, training, inspection and design requirements of aerial lifts and scissor lifts/scaffolds.
84 - 1926.451(g), 1926.451(g)(1)(vii) - Fall protection, training, inspection and design requirements of aerial lifts and scissor lifts/scaffolds.
85 - 1926.451(g)(3)(iv) - Scaffolds: lifelines, support lines, and suspension ropes cannot have a common anchor point.
86 - 1926.451(g) - Anchoring of fall arrest system to aerial lifts; fall arrest vs. restraint systems.
87 - 1926.451(g)(1)(vii) - Aerial lift regulations; fall protection for scissor lifts.
88 - 1926.451(g)(1)(i) - Hoisting workers on crane load lines (boatswains' chair).
89 - 1926.451(g) - Waler (platform) covered by Subpart L; minimum scaffold platform width.
90 - 1926.451(g)(2) - Fall protection and access for scaffold erecting and dismantling.
91 - 1926.451(g) - OSHA's New Fall Protection Standard for the Construction Industry.
92 - 1926.451(g)(3)(iv) - Secondary wire rope suspension systems.
93 - 1926.451(g)(4)(vii) - Two different design requirements for handrail and scaffolding.
94 - 1926.451(g)(3) - Favorable Decision in Fluor Constructors, Inc. v. OSHRC, No. 87- 4029 that a six-foot lanyard is not a lifeline.