# Standard Interpretations
1 - 1926.501(b)(4) - Whether certain skylights meet the cover criteria of 1926 Subpart M.
2 - 1926.501(b)(4) - When protective measures must be installed after a hole is created on a construction worksite.
3 - 1926.501(b)(4) - Duty of a subcontractor to cover floor holes in a Multi-Employer work site.
4 - 1926.501(b)(4) - Fall protection and controlled access zones for overhand bricklaying
5 - 1926.501(b)(4) - Clarification of the terms "hole" versus "unprotected sides or edges."
6 - 1926.501(b)(4) - Hatch Net 120 fall protection system
7 - 1926.501(b)(4)(i) - Fall protection requirements for stairwells and mechanical chase openings surrounded by interior stud walls in residential construction
8 - 1926.501(b)(4)(ii) - Fall protection requirements for stairwells and mechanical chase openings surrounded by interior stud walls in residential construction
9 - 1926.501(b)(4)(i) - Fall protection non-conforming guardrail criteria for application of a de minimis policy.
10 - 1926.501(b)(4)(ii) - Fall protection non-conforming guardrail criteria for application of a de minimis policy.
11 - 1926.501(b)(4)(iii) - Fall protection non-conforming guardrail criteria for application of a de minimis policy.
12 - 1926.501(b)(4)(i) - Clarification if a depression constitutes a hole or unprotected side/edge and associated fall protection requirements.
13 - 1926.501(b)(4)(ii) - Clarification if a depression constitutes a hole or unprotected side/edge and associated fall protection requirements.
14 - 1926.501(b)(4)(i) - Duty of a subcontractor to cover floor holes in a Multi-Employer work site.
15 - 1926.501(b)(4)(ii) - Duty of a subcontractor to cover floor holes in a Multi-Employer work site.
16 - 1926.501(b)(4)(iii) - Duty of a subcontractor to cover floor holes in a Multi-Employer work site.
17 - 1926.501(b)(4)(i) - Whether certain skylights meet the cover criteria of 1926 Subpart M.
18 - 1926.501(b)(4)(ii) - Clarification of fall protection requirements for open holes on a construction site.